Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Controlling the condition of display elements

Subclass of:

345 - Computer graphics processing and selective visual display systems

345204000 - DISPLAY DRIVING CONTROL CIRCUITRY

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
345215000 Including priming means 21
Entries
DocumentTitleDate
20090201286Light emitting period setting method, driving method for display panel, driving method for backlight, light emitting period setting apparatus, semiconductor device, display panel and electronic apparatus - Disclosed herein is a light emitting period setting method for a display panel wherein the peak luminance level is varied through control of a total light emitting period length which is the sum total of period lengths of light emitting periods arranged in a one-field period, including a step of setting period lengths of N light emitting periods, which are arranged in a one-field period, in response to the total light emitting period length such that the period lengths of the light emitting periods continue to keep a fixed ratio thereamong, N being equal to or higher than 3.08-13-2009
20100164940LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display and a driving method thereof are provided. The liquid crystal display includes: a liquid crystal display panel including a plurality of data lines, a plurality of gate lines crossing the data lines, and pixels arranged in m×n matrix; a register for defining polarity pattern information, frame rotation information, and line rotation information to determine a polarity of a data voltage charged in N lines, wherein N is a positive integer less than n; a timing controller for generating a polarity control signal to control polarities of data voltages charged in n lines of the liquid crystal display panel based on the information read from the register; and source drive ICs for converting the polarities of the data voltages supplied to the data lines in response to the polarity control signal.07-01-2010
20100118023LIQUID CRYSTAL DISPLAY - Provided is a liquid crystal display (LCD) in which warping of a liquid crystal panel-driving printed circuit board (PCB) is reduced. The LCD includes: a liquid crystal panel; a lower housing which accommodates the liquid crystal panel; a lamp-driving PCB fixed to the lower housing; a reinforcing member which has one end fixed to at least one surface of the lamp-driving PCB and another end separated from the lamp-driving PCB; and a liquid crystal panel-driving PCB which includes a circuit-mounting board disposed outside the lower housing, wherein at least part of the circuit-mounting board is inserted between the lamp-driving PCB and the reinforcing member, so as to be at least partially supported by the lamp-driving PCB and the reinforcing member.05-13-2010
20100091010UNIT OPERABLE IN A PLURALITY OF OPERATING MODES, DEVICE, AND TRANSMITTING/RECEIVING SYSTEM - A unit operable in a plurality of operating modes includes a first circuit, a regulator and current controller. The first circuit is adapted to operate in a first operating mode, and not to operate in a second operating mode preceding the first operating mode. A regulator is adapted to supply driving voltage to the first circuit, and is switchable among a plurality of levels of internal current. The current controller is adapted to control the internal current of the regulator in the first operating mode to a first level among the plurality of levels of internal current. The current controller is adapted to control the internal current of the regulator in the second operating mode to a second level among the plurality of levels of internal current. The second level is lower than the first level.04-15-2010
20090167754ELECTROPHORETIC DISPLAY CONTROL DEVICE, ELECTROPHORETIC DISPLAY DEVICE, AND COMPUTER-READABLE MEDIUM STORING PROGRAM OF CONTROLLING REDRAWING OF IMAGE OF ELECTROPHORETIC DISPLAY PANEL - An electrophoretic display control device controls redrawing of an image of an electrophoretic display panel. The electrophoretic display control device includes a source pulse generation device that generates a source pulse for each of pixels, an area determination device that determines whether a specific area is a first area or a second area, a gate pulse generation device that generates a first gate pulse or a second gate pulse in accordance with the specific area determined as the first area or the second area by the area determination device, a source pulse application device that applies the source pulse generated by the source pulse generation device to a source line, and a gate pulse application device that applies the first gate pulse or the second gate pulse generated by the gate pulse generation device to a gate line.07-02-2009
20090195534ELECTRO-OPTICAL DEVICE, METHOD OF DRIVING ELECTRO-OPTICAL DEVICE, AND ELECTRONIC APPARATUS - An electro-optical device includes a plurality of unit circuits that are disposed in correspondence with intersections of a plurality of scanning lines and a plurality of data lines, a scanning line driving circuit that sequentially selects the plurality of scanning lines, one scanning line being selected for a drive period of one unit period, and a data line driving circuit that outputs data electric potentials to the plurality of data lines for a write period of the one unit period, the data electric potentials corresponding to gray scale data of the plurality of unit circuits that are in correspondence with the one scanning line selected for the drive period of the one unit period and the write period being a period before the each drive period starts. Each of the plurality of unit circuits has an electro-optical element that has a gray scale level corresponding to the data electric potential, a capacitor element that has a first electrode connected to a capacitor line and a second electrode connected to the data line, and a switching element that is disposed between the second electrode and the electro-optical element and is in a conductive state at a time when the one scanning line is selected by the scanning line driving circuit for making the second electrode and the electro-optical element to be conductive to each other.08-06-2009
20090195533HIGH-ACCURACY MULTI-CHANNEL CIRCUIT - A multi-channel circuit includes a first-channel circuit configured to receive a digital input and a second-channel output voltage, and to generate a first-channel output voltage as a function of the received digital input and second-channel output voltage.08-06-2009
20100149172SEMICONDUCTOR DEVICE - A clock distribution circuit receives a clock signal, and distributes the clock signal thus received to multiple paths. A digital circuit is configured as multiple separate regions, each associated with a respective one of the multiple paths. Each region receives a common power supply voltage Vdd. Furthermore, each region operates synchronously with the corresponding clock signal thus distributed by the clock distribution circuit. When the clock signal transmits from the non-input state to the input state, the clock distribution circuit each distributes the clock signal to the multiple paths in a temporally staggered manner.06-17-2010
20100141647BACK LIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - The present invention relates to a back light unit for a liquid crystal display device, which can improve safety and reliability of the back light unit; and a method for fabricating the same.06-10-2010
20110193856PIXEL, DISPLAY DEVICE USING THE SAME, AND DRIVING METHOD THEREOF - A pixel, a display device using the same, and a driving method thereof are disclosed. According to exemplary embodiments of the pixel, the display device including the same, and the driving method thereof, sufficient time to compensate the threshold voltage of the driving transistor of the pixel may be obtained under high resolution and high frequency driving to realize a display device of high image quality.08-11-2011
20110193855PIXEL, DISPLAY DEVICE, AND DRIVING METHOD THEREOF - A pixel, a display device including the pixel, and a driving method are disclosed. Each of a plurality of pixels included in the display device includes: an organic light emitting diode (OLED); a driving transistor for transmitting a driving current to the OLED according to a data signal; a first transistor for transmitting the data signal to the driving transistor according to a scan signal; and a first capacitor including a first terminal coupled to the first transistor and a second terminal coupled to a gate electrode of the driving transistor. In addition, the driving transistor is for diode-connecting in response to a threshold voltage compensation signal during a threshold voltage compensation period to compensate for a threshold voltage of the driving transistor. The threshold voltage compensation signal includes at least two pulses.08-11-2011
20110193854SYNCHRONOUS BUS DRIVING METHOD - Techniques are provided for synchronizing the data signals transmitted through a synchronous bus in a display device. One embodiment includes manipulating the clock signals and/or data signals transmitted by a display controller in the display based on the location on the bus where a data signal is to be transmitted. For example, a pre-emphasized clock signal having a higher initial voltage level may be used for a data signal transmitted farther on the bus from the display controller. The pre-emphasized clock signal may compensate for propagation delays associated with transmitting the data signal through the bus. Further, a de-emphasized clock signal may be used for data signals transmitted to a section on the bus closer on to the display controller, and neutral clock signals may be used for data signals transmitted to a section that is of intermediate distance from the display controller.08-11-2011
20090122055DRIVING CIRCUIT FOR DISPLAY DEVICE, AND DISPLAY DEVICE - A driving circuit of display device includes digital/current converting (DCC) circuits one for each data line. The DCC circuit operates to charge a capacitor with a reference current according to a supplied signal from a shift register. The DCC circuit stores a current value of the reference current and outputs it to a data line via a switching element that has been turned on by a digital image data signal (H) of a single line supplied from a line latch. The output value of each DCC circuit is reset one after another in every select scan period in which an OFF signal is sent to all the data lines. In this way, the reset of the output value and the output of the image data signal can be successively carried out within one frame period, enabling the data to be applied to the pixel circuit with the DCC circuits provided one for each data line. This simplifies the driving circuit that drives the pixel circuits provided with an electro-optic element and disposed in a matrix.05-14-2009
20130076725ELECTRO-OPTICAL UNIT AND DISPLAY - An electro-optical unit includes pixels provided correspondingly to portions where a plurality of pairs of data lines and a plurality of gate lines intersect with each other. Each of the pixels has an electro-optical device and a pixel circuit. The pixel circuit has a holding circuit connected with one of the plurality of pairs of data lines and one of the plurality of gate lines, and a selection circuit connected with an output of the holding circuit and the electro-optical device. The holding circuit is capable of sampling and holding a first image signal to be applied to one of the pair of the data lines, while sampling and holding a second image signal to be applied to the other of the pair of the data lines. The selection circuit is capable of outputting the first image signal and the second image signal to the electro-optical device selectively.03-28-2013
20100073358LUMINESCENCE DEVICE, METHOD OF DRIVING LUMINESCENCE DEVICE, AND METHOD OF MANUFACTURING LUMINESCENCE DEVICE - A luminescence device according to the present invention includes a plurality of pixels arranged in a row direction and a column direction. Each pixel includes a luminescence driving transistor, a pixel electrode, a luminescence layer formed above the pixel electrode, and an opposing electrode formed above the luminescence layer. Current supply lines La connect the pixels in the row direction and are arranged to extend in the same direction. Adjoining current supply lines La are electrically connected to each other by a drain electrode of the luminescence driving transistor of the pixel positioned between these current supply lines La. Therefore, adjoining current supply lines La are made to be at the same potential.03-25-2010
20100073357DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device and a method of driving the same are provided. The display device includes a plurality of display pixels, a plurality of data lines that are connected to the display pixels, and a plurality of sensing lines that are connected to the display pixels. Each display pixel includes: a driving transistor that has a control terminal, an input terminal, and an output terminal; a capacitor that is connected to the control terminal of the driving transistor; a first switching transistor that is connected to the data line and the control terminal of the driving transistor; a light-emitting element that receives a driving current from the driving transistor to emit light; a second switching transistor that is connected between the sensing line and the light-emitting element; and a third switching transistor that is connected between the output terminal of the driving transistor and the light-emitting element.03-25-2010
20100045658PLASMA DISPLAY AND DRIVING METHOD THEREOF - A plasma display and method of driving the display are disclosed. To form wall charges at each electrode such that the sustain discharge is generated, a positive voltage is applied to a plurality of sustain electrodes after a scan pulse is applied to the scan electrodes in an address period and before the first sustain pulse is applied to the plurality of scan electrodes in a sustain period.02-25-2010
20100045657Driving Device for Liquid Crystal Display - A driving device of a liquid crystal display (LCD) utilized for preventing noises of a clock signal from causing error operation of a shift register is disclosed. The driving device includes a shift register, a reception terminal, a noise elimination circuit and a control signal generation circuit. The reception terminal is utilized for receiving a first clock signal. The noise elimination circuit is coupled to the reception terminal, and is utilized for eliminating noises of the first clock signal and delaying the first clock signal for a preset time to generate a second clock signal. The control signal generation circuit is coupled to the reception terminal, the noise elimination circuit and the shift register, and is utilized for generating a first control signal and a second control signal to control the shift register.02-25-2010
20100134480DRIVE CIRCUIT FOR SEMICONDUCTOR IMAGE SENSOR ARRAY - A refresh control line GR (n) is selected while a read control line GT (n+1) or a read control line GT (n−1), which controls a read switch of a pixel of a semiconductor image sensor array is selected. This configuration allows the read and refresh operations or the refresh and read mode setting operations to be performed simultaneously, and reduces the period for scanning the semiconductor image sensor array.06-03-2010
20080309657Independent Pixel Waveforms for Updating electronic Paper Displays - A system and a method are disclosed for updating an image on a bi-stable display includes a module for determining a final optical state, estimating a current optical state and determining a sequence of control signals to produce a visual transition effect while driving the display from the current optical state toward a final optical state. The system also includes a control module for generating a control signal for driving the bi-stable display from the current optical state to the final optical state.12-18-2008
20120182284ACTIVE MATRIX FOR DISPLAYS AND METHOD OF FABRICATION - An active matrix incorporated in a color display device includes an array of pixels arranged in n rows and m columns, each pixel having x elements including at least a red, a green, and a blue element. A plurality of m data lines, a different one of the plurality of m data lines being coupled one each to each column of pixels and to each element in each pixel in the column of pixels. A plurality of xn scan lines is provided, the xn scan lines being divided into n groups of x scan lines each. A different group of three xn scan lines is coupled to each row of the n rows of pixels and each of the different x scan lines in each group is coupled to a different one of the x elements.07-19-2012
20130069930SHIFT REGISTER, SCANNING SIGNAL LINE DRIVE CIRCUIT, AND DISPLAY DEVICE - A bistable circuit includes an output terminal that outputs a state signal, an output terminal that outputs an other-stage control signal, a first node of which a potential is controlled based on a set signal and a clear signal, a thin-film transistor that provides a potential of a second clock to the output terminal when a potential of the first node is at a high level, a thin-film transistor that provides a potential of a first clock to the output terminal when a potential of the first node is at a high level, and a thin-film transistor for changing a potential of the other-stage control signal to a low level based on a reset signal. The first clock is generated by a power source of a different system from the second clock, and has a smaller amplitude than that of the second clock.03-21-2013
20100001990SCAN DRIVER AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A scan driver for outputting scan signals in two directions and an organic light emitting display device are provided. In one embodiment, a scan driver includes a plurality of stages for outputting scan signals, wherein an n-101-07-2010
20100001989COEFFICIENT GENERATING DEVICE AND METHOD, IMAGE GENERATING DEVICE AND METHOD, AND PROGRAM THEREFOR - A coefficient generating device generating a conversion coefficient for converting an input image signal of an input image into a display image signal of a display image includes a past-image generating unit that generates a past image signal of a past image correlated with a teacher image being one frame before a teacher image correlated with the display image; a transient-image generating unit that generates a transient image signal of a transient image; a visual-image generating that generates a visual image signal of a visual image; and a calculating unit that obtains the conversion coefficient using a pixel value of a pixel of interest in the teacher image and pixel values of pixels determined by a motion vector detected in a student image correlated with the input image and spatially/temporally near a pixel in the student image at the same position as the pixel of interest.01-07-2010
20100001985DOT-MATRIX DISPLAY CHARGING CONTROL METHOD AND SYSTEM - A dot-matrix display charging control method and system is proposed, which is designed for integration to a dot-matrix display device, such as a TFT-LCD (Thin Film Transistor Liquid Crystal Display), for controlling a data-refresh process on the dot-matrix display device. The proposed method and system is characterized by the capability of concurrently selecting a number of consecutive pixel rows in the dot-matrix panel for charging all of the pixel rows with the same set of data voltages from a master data row that is intended to be applied to one of the selected pixel rows, and then fine-tuning every other pixel row with a set of differential voltages based on the value differences between the master data row and a slave data row that is intended to be applied to the other pixel row. This feature allows the operation of a dot-matrix display device to use a long charging time for data refresh under a fast scan speed.01-07-2010
20090322736DISPLAY APPARATUS - A display apparatus includes a plurality of optical waveguides which are arranged in a row and have light output areas, a plurality of light sources which emit light beams incident upon the optical waveguides, a plurality of scanning lines whose cross-sections have convex portions and concave portions alternately positioned in a column, wherein inner surfaces of each of the convex portions and the concave portions are arranged so as to face the optical waveguides, and, by applying an electric field, the convex portions and the concave portions undergo displacement, and a control unit which controls the scanning lines with the application of an electric field sequentially.12-31-2009
20090322734Display device - Disclosed herein is a display device including a pixel array section having pixel circuits arranged in a form of a matrix, the pixel circuits each including a driving transistor for generating a driving current, an electrooptic element connected to an output terminal of the driving transistor, a storage capacitor for retaining information corresponding to signal amplitude of a video signal, and a sampling transistor for writing the information corresponding to the signal amplitude to the storage capacitor; a vertical scanning section configured to generate a vertical scanning pulse for vertical scanning of the pixel circuits; a horizontal scanning section configured to supply the video signal to the pixel circuits so as to coincide with the vertical scanning in the vertical scanning section; and a driving signal constancy achieving circuit for holding the driving current constant.12-31-2009
20100134476SHIFT REGISTER, DISPLAY DRIVER AND DISPLAY - In one embodiment of the present invention, a shift register includes a plurality of stages which are activated in sequence. Each stage includes a logic circuit controlling first and second output circuits. The first output circuit includes a first switch in the form of a transistor, which connects an output of the stage to receive a pulse width control signal when the stage is active. A second switch in the form of a transistor connects the stage output to receive an inactive signal level when the stage is inactive. The second output circuit comprises a third switch in the form of a transistor, which connects a further output to receive an active signal level when the stage is active. A fourth switch in the form of a transistor connects the further output to receive an inactive signal level when the stage is inactive. The further output of each stage is connected to the logic circuit of at least one adjacent stage, such as a reset input of a preceding stage and/or a set input of a succeeding stage.06-03-2010
20100134482 PIXEL DRIVING DEVICE AND A LIGHT EMITTING DEVICE - A pixel driving device for drive control of pixels, has a image data conversion circuit for generating an original gradation signal by converting an image data, based on a preset conversion property, a signal correction circuit for outputting a corrected gradation signal by adding a correction value acquired based on an electric property parameter of a pixel to the original gradation signal, and a drive signal impressing circuit for impressing a voltage signal corresponding to the corrected gradation signal on one end of a signal line. The original gradation signal has a value that corresponds to a gradation value of the image data and the maximum value of the original gradation signal is set to a value equal to or smaller than a value acquired by subtracting a value corresponding to the correction value from a maximum value in an input range of the drive signal impressing circuit.06-03-2010
20090109208Display apparatus, driving method for display apparatus and electronic apparatus - Disclosed here in is a display apparatus, including, a pixel array section including a plurality of pixels arrayed in rows and columns and each including an electro-optical device, a pixel circuit provided commonly to each plural ones of the pixels in the same pixel row in the pixel array section and including a writing transistor for writing an image signal, a holding capacitor for holding the image signal written by the writing transistor and a driving transistor for driving the electro-optical devices of the plural pixels, and a plurality of scanning circuits configured to time-divisionally and selectively place the electro-optical devices included in the pixels into a forwardly biased state.04-30-2009
20090303229ERGONOMIC LIGHTING SYSTEM - This invention relates to an ergonomic lighting system for a display device including an image display region. An image analyzer determines the color information of a video signal to be displayed in the image display region. Light emitting means is disposed such that it peripherally surrounds the image display region for emitting an ergonomic light towards a viewing region of the image display region. A control unit controls the light source by adapting, in response to the determined color information, the light emitted by the light emitting means to the determined color information. The controlling is performed in accordance to pre-defined selection rules linking the color information of the video signal to be displayed to the property of the emitted ergonomic light.12-10-2009
20110007066DATA TRANSMITTING METHOD FOR TRANSMITTING DATA BETWEEN TIMING CONTROLLER AND SOURCE DRIVER OF DISPLAY AND DISPLAY USING THE SAME - A data transmission method for transmitting data between a timing controller and a source driver of a display and a display using the same are disclosed. The transmission method includes recognizing a start of a blank period of a frame period; sampling de-skew data on a data bus during the blank period based on a data clock; performing a de-skew function by comparing the sampled de-skew data with a predetermined de-skew code and adjusting the data clock; recognizing a start of a data input period of the frame period; and sampling pixel data on the data bus during the data input period based on the adjusted data clock. The display includes a timing controller, a data bus, and a source driver. The source driver is connected to the timing controller via the data bus for performing the data transmission method.01-13-2011
20090040213Liquid Crystal Driving Apparatus - A liquid crystal driving apparatus comprising: a latch circuit including latch-areas each in n-bit unit, configured to sequentially latch into a designated latch-area, pieces of n-bit display-data obtained by dividing m-bit display-data for driving column-electrodes corresponding to each row-electrode of a liquid crystal display panel including row and column-electrodes; a data-register configured to sequentially hold the pieces of n-bit display-data; and a latch-pulse generating circuit configured to generate a latch-pulse for latching the n-bit display-data into the designated latch-area every time the data-register holds the n-bit display-data, including: a counter whose count-value changes every time the data-register holds the n-bit display-data; a decoder configured to decode the count-value to generate the latch-pulse; and a masking circuit configured to mask generation of the latch-pulse from the decoder in a period of time during which the count-value is changed, the column-electrodes being driven based on the m-bit display-data from the latch circuit.02-12-2009
20110012893Liquid Crystal Display Apparatus, Portable Device, and Drive Method for Liquid Crystal Display Apparatus - In a liquid crystal display apparatus, one display pixel has a total of six sub pixels, namely, a red sub pixel for a left eye, a green sub pixel for the left eye, a blue sub pixel for the left eye, a red sub pixel for a right eye, a green sub pixel for the right eye, and a blue sub pixel for the right eye. Those sub pixels are arranged in a square area, two in a horizontal direction along which gate lines extend, three in a vertical direction along which data lines extend. The polarity of the data lines with respect to a potential of a common electrode is inverted every time three gate lines are scanned and every frame.01-20-2011
20110012892LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) including a display panel and a source driver is provided. The display panel includes a plurality of pixels arranged in an array. The source driver is coupled to the display panel and includes a plurality of source lines. Each of the source lines of the source driver is responsible for performing the pixel-writing to six corresponding pixel columns in the display panel.01-20-2011
20110012891GATE PULSE MODULATION CIRCUIT AND LIQUID CRYSTAL DISPLAY THEREOF - The present invention relates to a gate pulse modulation (GPM) circuit and the application of same in a liquid crystal display for improving the display performance thereof. The gate pulse modulation circuit is configured to modulate multi-phase clock pulse signals so as to correspondingly generate odd gate pulse waveforms and even gate pulse waveforms that are different from one another.01-20-2011
20100097371IMAGER COLUMN-LEVEL AMPLIFIER WITH PIXEL-WISE AUTOMATIC GAIN SELECTION - An imager architecture that utilizes column sampling circuitry that can support pixel-wise automatic gain selection (AGS). The column sampling circuitry samples the pixel output signals directly (e.g., with unity gain) or after amplification in a column level amplifier while supporting correlated double sampling (CDS) in both situations.04-22-2010
20110063283Organic light emitting display and method of driving the same - A method of driving an organic light emitting display, includes extracting information on deterioration of an organic light emitting diode (OLED) and information on a threshold voltage and mobility of a driving transistor included in each of the pixels to store the information in a memory unit during a non-display period, converting input data into corrected data using the information items stored in the memory unit, and supplying data signals corresponding to the corrected data to data lines, wherein, extracting the information, includes storing the information on the deterioration of the OLED and the information on the threshold voltage and mobility of the driving transistor in a non-volatile memory, and storing the information in a volatile memory.03-17-2011
20110063282Organic light emitting diode display device and method of driving the same - An organic light emitting diode (OLED) display device comprises a display panel including first and second substrates, an OLED disposed between the first and second substrates, and a heating controller, a heater configured to apply heat to the display panel, and a temperature controller. The display panel has a display area and a non-display area on which the second substrate does not overlap the first substrate. The first and second substrates and the OLED are arranged in the display area. The heating controller is arranged in the non-display area. A first side and a second side of the temperature controller are electrically connected to the heater and the heating controller, respectively. The heating controller supplies a voltage to the heater when it is determined that an image is not displayed on the display panel. The temperature controller cuts electrical connection with the heater at a predetermined temperature.03-17-2011
20090237395DISPLAY DEVICE AND METHOD FOR TRANSMITTING CLOCK SIGNAL DURING BLANK PERIOD - A display device includes a data line, a timing controller configured to apply a transmission signal corresponding to data bits to a data line during an active period in which the data bits are transmitted and apply a transmission clock signal to the data line during a blank period in which the data bits are not transmitted, and a data driver configured to sample the transmission signal (hereinafter, a reception signal) applied through the data line to recover the data bits and drive a display panel according to the recovered data bits. The display device can transmit a clock signal through the data line during the blank period.09-24-2009
20090237394Display driving circuit including output circuit having test circuit and test method thereof - A display driving circuit includes an amplifier circuit including an output stage including first and second MOS transistors which are complementary to each other to perform a push-pull operation, an output terminal, a switch element provided between an output end of the output stage and the output terminal, and a controller which enables the first and second MOS transistors to exclusively turn on and off.09-24-2009
20090237393ELECTROPHORETIC DISPLAY DEVICE DRIVING METHOD, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A method for driving an electrophoretic display device that is provided with a display unit having a pixel is provided. The pixel of the electrophoretic display device has a pixel electrode, a common electrode, an electrophoretic element containing a plurality of electrophoretic particles, the electrophoretic element being located between the pixel electrode and the common electrode, a pixel-switching element, and a latch circuit that is connected between the pixel electrode and the pixel-switching element. The method for driving an electrophoretic display device includes: during an image display time period, causing the display unit to display an image; during an image holding time period, holding the displayed image; and during a refresh time period, causing the display unit to display the image again. In the image holding time period of the driving method, the power voltage of the latch circuit is set at the minimum voltage of a power system provided in the electrophoretic display device.09-24-2009
20090237392ELECTROPHORETIC DISPLAY DEVICE DRIVING METHOD, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A method for driving an electrophoretic display device that is provided with a display unit having a plurality of pixels in each of which an electrophoretic element containing a plurality of electrophoretic particles is sandwiched between a pixel electrode and a common electrode that face each other is provided. The method for driving an electrophoretic display device includes: during a first partial rewriting period, when an image that is displayed on the display unit is rewritten, partially rewriting the image that is displayed on the display unit by supplying a common voltage to the common electrode, by supplying a second voltage to the pixel electrode of each of first pixels among the above-mentioned plurality of pixels, the above-mentioned each of the first pixels displaying a first gradation before the rewriting of the image and then displaying a second gradation that is different from the first gradation after the rewriting of the image, the second voltage being set so as to correspond to the second gradation, and by supplying a voltage that is the same as the common voltage to the pixel electrode of each of pixels other than the first pixels among the above-mentioned plurality of pixels or by putting the pixel electrode of each of pixels other than the first pixels among the above-mentioned plurality of pixels into a high impedance state; and during a second partial rewriting period, when the image that is displayed on the display unit is rewritten, partially rewriting the image that is displayed on the display unit by supplying the common voltage to the common electrode, by supplying a first voltage to the pixel electrode of each of second pixels among the above-mentioned plurality of pixels, the above-mentioned each of the second pixels displaying the second gradation before the rewriting of the image and then displaying the first gradation after the rewriting of the image, the first voltage being set so as to correspond to the first gradation, and by supplying a voltage that is the same as the common voltage to the pixel electrode of each of pixels other than the second pixels among the above-mentioned plurality of pixels or by putting the pixel electrode of each of pixels other than the second pixels among the above-mentioned plurality of pixels into a high impedance state.09-24-2009
20090046091IMAGE DISPLAY APPARATUS - In an image display apparatus of the invention, a signal input unit outputs a complex image signal, which has been converted to an easily-processed format, to a signal-for-display generator. The signal-for-display generator converts the complex image signal to a signal suitable for displaying at a display unit. An apparatus state-detector detects a state of the display apparatus. Based on apparatus state information input from the apparatus state-detector, an arithmetic unit calculates an amount of non-uniformity to be corrected, and outputs it to a non-uniformity corrector. Based on the non-uniformity correction amount corresponding to a position displayed at the display unit, the non-uniformity corrector corrects the image signal input from the signal-for-display generator, converts it to a signal format that can be used at the display unit, and outputs it.02-19-2009
20090046090ACTIVE MATRIX DISPLAY DEVICES - An active matrix display device comprises an array of display pixels, each pixel comprising a current-driven light emitting display element (02-19-2009
20090046089BURN-IN COMPENSATION FOR DISPLAY - In accordance with one embodiment, apparatus are provided, which include a burn-in compensation pixel generator and burn-in compensation circuitry. The burn-in compensation pixel generator is configured to generate burn-in compensation pixel data. The burn-in compensation circuitry is configured to provide, within break-from-standard-use periods of a device employing a display, the generated burn-in compensation pixel data instead of a select predetermined subset of default pixel data, for input to a display interface of the display.02-19-2009
20090009509Image processing apparatus, image processing method, and computer program - An image processing apparatus including a frame doubling processing part for generating a doubled image signal, a false impulse drive processing part for outputting a current image signal after dividing the doubled image signal, a first frame memory for outputting the current image signal as a previous image signal delayed by one sub-frame, a correction processing part for correcting a gradation level of the current image signal after the previous image signal and the current image signal being input thereto, a second frame memory for outputting a delayed doubled image signal from the doubled image signal, and a movement detector for outputting a movement detection signal after the delayed doubled image signal and the doubled image signal being input thereto is provided, wherein the correction processing part corrects the gradation level of the current image signal when the movement detection signal is a signal indicating a dynamic image.01-08-2009
20090009508APPARATUS AND METHOD FOR DRIVING 2D/3D SWITCHABLE DISPLAY - Provided are an apparatus and method for driving a 2-dimensional (2D)/3-dimensional (3D) switchable display for improving the quality of image. The apparatus for driving a 2D/3D switchable display includes: an image mode determination unit determining whether input image signals of continuous frames are in a 2D mode or 3D mode; and an over-driving control unit over-driving the input image signal of a current differently according to the determined image mode. According to the apparatus and method, the response time in each of the 2D mode and the 3D mode can be increased, while motion blur and cross-talk effects can be decreased, thereby improving the quality of image.01-08-2009
20100085349DISPLAY DEVICE - Provided is a display device capable of freely setting correction based on a state of a luminance gradient in a self-emission display device for eliminating the luminance gradient. The display device includes: a data line drive circuit for outputting emission control signals for controlling light emission of display elements during a retrace period during which display signal voltages are not output; and an emission power supply circuit for supplying power supply voltages for the light emission of the display elements to power supply lines from at least one of external sides of a display region corresponding to a group including the display elements. The data line drive circuit generates and outputs the emission control signals different among data lines.04-08-2010
20110018861ELECTROPHORETIC DISPLAY PANEL - The electrophoretic display panel (01-27-2011
20100207933Surface light source device and display device - A surface light source device, which may perform surface light emission using a plurality of light guide members while suppressing formation of emission lines, and a display device using the surface light source device is provided. The surface light source device includes light sources, and a plurality of light guide members, each light guide member having a light incidence surface for light entering from each of the light sources, and making surface light emission based on incident light from the light incidence surface. The plurality of light guide members are arranged on the same plane, and each light guide member has tapered or curved surfaces adjacent to the light incidence surface, each tapered or curved surface having a predetermined angle against the light incidence surface.08-19-2010
20110279443Driving Module and Driving Method - The present invention discloses a driving module for a liquid crystal display device. The driving module includes a data line signal processing unit, for generating a plurality of data driving signals, a scan line signal processing unit, for generating a plurality of gate driving signals, and a control unit, for controlling the data line signal processing unit and the gate line signal processing unit, such that a plurality of sub-pixels corresponding to a data line are with different charging orders in different frames, or are charged with different charging periods in a same frame.11-17-2011
20110279444DISPLAY DEVICE TO COMPENSATE CHARACTERISTIC DEVIATION OF DRVING TRANSISTOR AND DRIVING METHOD THEREOF - A display device includes a display having a plurality of pixels, a compensator that for each of a plurality of pixels, calculates an image data compensation amount that compensates a characteristic deviation of a driving transistor of each pixel by measuring the first pixel current generated by the first data voltage and the second pixel current generated by the second data voltage obtained by amending the first data voltage, and initializes a panel capacitor that is parasitic on a plurality of data lines connected to the plurality of pixels in the measurement of the first pixel current and the measurement of the second pixel current; and a signal controller that generates an image data signal by reflecting the compensation amount of the image data. It is possible to shorten a compensation period for compensating a characteristic deviation between driving transistors, and since a data writing period in which a data signal is written in each pixel and a light emitting period in which, after the writing of the data signal corresponding to each pixel is completed, the entire pixel emits light at once, making it possible to more efficiently display the image.11-17-2011
20110279442ELECTROPHORETIC DISPLAY UNIT AND METHOD FOR DRIVING AN ELECTROPHORETIC DISPLAY PANEL - An electrophoretic display unit is presented that comprises an electrophoretic display panel (11-17-2011
20100007656DISPLAY APPARATUS AND DRIVING METHOD THEREOF - Display image quality degradation caused by a burn-in phenomenon is prevented in a self-emission type display apparatus. A degradation characteristic acquisition circuit acquires degradation characteristics of a pixel region, and a boundary portion detection circuit detects a boundary of the degradation characteristics. A correction amount operation circuit arithmetically operates a correction amount based on the boundary, and a video signal correction circuit corrects a video signal. The correction amount is determined based on the boundary of the degradation characteristics such that emission luminance is gently varies in a periphery of a boundary of a pixel due to the burn-in phenomenon, and whereby the burn-in phenomenon becomes inconspicuous.01-14-2010
20100007654DISPLAY DEVICE - A display device including a signal processing module which can contribute to the reduction of power consumption and a calorific value is provided. The display device includes a signal processing module and a display panel. The signal processing module includes a memory that is divided into two or more sub-memories that can be powered on separately, and an image signal processor to generate a second image signal from a first image signal using the memory. The display panel displays an image corresponding to the second image signal, and the first image signal has a first bit size or a second bit size less than the first bit size. Power is selectively supplied to the sub-memories according to the bit size of the first image signal.01-14-2010
20110001748ELECTRONIC DISPLAY CONTROLLER - A system for and method of controlling an electronic display, such as an electrophoretic display, are disclosed. The system and method provide for transparent translation of standard image data into signals sufficient to drive such displays and implement the corresponding image.01-06-2011
20090309871Smart Pixel Addressing - A display unit has modular groups of light emitting elements or pixels. A light emitting element in the display unit can be used as a light receptor for accepting control information without needing to connect the display unit to a network or a controller.12-17-2009
20090309870ELECTROPHORETIC DISPLAY DEVICE, DRIVING METHOD FOR ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A driving method for an electrophoretic display device that includes opposing first and second substrates provided so as to sandwich an electrophoretic element having an electrophoretic particle, a plurality of first electrodes formed on the first substrate at an electrophoretic element side, and a second electrode which is formed on the second substrate at an electrophoretic element side and is opposed to the plurality of first electrodes. The driving method for the electrophoretic display device includes (a) applying a first electric potential to a part of the plurality of first electrodes, (b) applying a second electric potential different from the first electric potential to a part of any other electrodes of the first electrodes, and (c) driving the electrophoretic element. The second electrode is in an electrically isolated condition.12-17-2009
20090309869Driving circuit and display - A liquid crystal display in which it is possible to reduce the EMI noise ascribable to high harmonic contents in a charging/discharging current is disclosed. The liquid crystal display includes a source driver 12-17-2009
20090309868Active matrix organic light emitting diode display and method of driving the same - An active matrix organic light emitting diode (AMOLED) display including an organic light emitting diode (OLED), a driving transistor switching a supply of current to the OLED according to image signals, and at least one current controller including a plurality of current control transistors controlling the amount of the current supplied to the OLED.12-17-2009
20090309867METHOD OF DRIVING PIXELS AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A pixel is driven by first converted image data having a first polarity and being converted by an A-gamma curve during an (N)12-17-2009
20080266285PLASMA DISPLAY DEVICE AND DRIVING METHOD THEREOF - A plasma display device including: a display panel for displaying an image according to a driving signal converted from an external image signal; a logic controller for measuring a temperature of the display panel for comparison with a temperature section information having at least two temperature sections, generating a driving control signal for changing the driving signal when the temperature of the display panel changes to a temperature of a different temperature section, and calculating a changing condition included in the driving control signal for determining a changing time of the driving signal; and a driver for supplying the driving signal that is changed according to the temperature section at the changing time determined by the changing condition of the driving control signal.10-30-2008
20090207161METHOD FOR DRIVING PLASMA DISPLAY PANEL AND PLASMA DISPLAY DEVICE - The method for driving a plasma display panel effects control of the sub-fields in a manner that at least one sub-filed carries out, in its initializing period, an all-cell initializing operation on the discharge cells and the plurality of sub-fields other than the aforementioned sub-field selectively carry out an addressing operation in each discharge cell; at the same time, two or more predetermined sub-fields carry out an addressing operation only when at least one sub-field had an addressing operation after the all-cells initializing operation; and an unusual-charge erase period, where scan electrodes SC-SCn undergo application of voltage with a rectangular waveform, is provided after the initializing period of at least one sub-field of the predetermined sub-fields.08-20-2009
20120235985SYSTEM AND METHOD OF UPDATING DRIVE SCHEME VOLTAGES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for calibrating display arrays. In one aspect, a method of calibrating a display array includes determining a particular drive response characteristic and updating a particular drive scheme voltage between updates of image data on the display array.09-20-2012
20100245343PIXEL DRIVING DEVICE, LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE DRIVING CONTROL METHOD - A pixel includes a light emitting element and a driving element connected to the light emitting element. After an initial voltage is applied to one end of a current path of the driving element via the signal line, the pixel driving device acquires the threshold voltage of the driving element based on a voltage value at a terminal of the signal line when the initial voltage is cut off and the relaxation time is elapsed. The voltage-current characteristics of the driving element is acquired based on the voltage value at the terminal of the signal line when the current flows into the current path of the driving element via the signal line. The current gain value of the driving element is acquired based on the threshold voltage of the driving element. The image data is corrected based on the acquired threshold voltage.09-30-2010
20110285694IMAGE-DISPLAYING DEVICE AND DISPLAY TIMING CONTROL CIRCUIT - An image-displaying device includes an image data generation section, a progress information acquisition section and a display control section. The image data generation section is configured to perform processing for generating image data indicative of an image of a subject based on output data from an image-capturing section that captures the image of the subject, the image data being composed of a plurality of predetermined data units. The progress information acquisition section is configured to acquire progress information indicative of a status of progress of the processing for generating the image data with respect to each of the predetermined data units of the image data. The display control section is configured to control the display section to display at least one of the predetermined data units of the image data for which the processing for generating the image data is ended based on the progress information.11-24-2011
20110298786Color electronic paper display device and method for manufacturing the same - The present invention provides a color electronic paper display device including: rotating balls; a barrier structure for partitioning the rotating balls; and an electrode structure which is provided in the barrier structure and applies voltages to the rotating balls, wherein the barrier structure is made of a photo-reactive barrier material including insulating resin, hardener, and a photo-sensitive material.12-08-2011
20110298785GATE SHIELDING FOR LIQUID CRYSTAL DISPLAYS - Systems and methods for preventing parasitic capacitances within liquid crystal displays are provided. A display panel according to an embodiment may include, for example, a pixel with a pixel electrode and a transistor coupled to a gate line. Additionally, the pixel may include a shielding conductor interposed between the pixel electrode and the gate line. The shielding conductor may shield the pixel electrode from a parasitic capacitance with the gate line by causing a parasitic capacitance to form between the gate line and the shielding conductor instead of between the gate line and the pixel electrode.12-08-2011
20110292029Apparatus and method for driving e-paper panel - Disclosed herein are an apparatus and a method for driving an e-paper panel. The e-paper panel driving apparatus includes a DC/DC converter that converts and outputs DC voltage to be input into a preset voltage and supplies the output voltage as a driving voltage of an e-paper panel; a sensing module that senses load conditions of the e-paper panel; and a control module that varies the driving frequency of the DC/DC converter according to the load conditions of the e-paper panel sensed by the sensing module. According to the present invention, the driving clock of the DC/DC converter that supplies the driving voltage to the e-paper panel is varied in consideration of the load conditions of the e-paper panel, thereby making it possible to prevent an image quality of the e-paper panel from being degraded due to unstable power supply, while simultaneously minimizing unnecessary power consumption of the e-paper panel driving apparatus.12-01-2011
20100091008E-paper display control based on conformation sequence status - A system for one or more portions of one or more regions of an electronic paper assembly having one or more display layers includes, but is not limited to: obtaining information associated with one or more changes in one or more sequences of two or more conformations of one or more portions of one or more regions of the electronic paper assembly and controlling display of one or more portions of one or more display layers of the electronic paper assembly regarding display of second information in response to the information associated with the one or more changes in the one or more conformations of the one or more portions of the one or more regions of the electronic paper assembly. In addition to the foregoing, other related method/system aspects are described in the claims, drawings, and text forming a part of the present disclosure.04-15-2010
20100091009Display driving circuit and test method - A display driving circuit according to an exemplary embodiment of the present invention includes: a plurality of driver circuits; a display control logic circuit that controls the plurality of driver circuits; and a first selector that selects one of a video input signal externally received and an internal operation signal from the display control logic circuit, and supplies the selected signal to each of the plurality of driver circuits.04-15-2010
20100033475LIQUID CRYSTAL DISPLAY AND CONTROL METHOD THEREOF - A method of controlling a liquid crystal display includes comparing a pixel data signal from a previous frame with a pixel data signal from a present frame to generate a comparison result, controlling a driving voltage based on the comparison result, generating gray scale voltages, and adjusting voltage differences between the gray scale voltages based on the driving voltage. The controlling the driving voltage includes changing the driving voltage when the pixel data signal from the previous frame corresponds to a full-black gray scale level and the pixel data signal from the present frame corresponds to a full-white gray scale level.02-11-2010
20100134478PLASMA DISPLAY AND DRIVING METHOD THEREOF - A plasma display device includes a controller for generating and outputting scan data corresponding to a scan electrode to which a scan pulse is applied during an address period, and outputting the same to a scan integrated circuit having a plurality of output terminals coupled to the scan electrodes for driving the scan electrodes. During an address period, the scan integrated circuit applies a first voltage through an output terminal corresponding to the scan data, and applies a second voltage that is greater than the first voltage through another output terminal. The configuration enables the plasma display device to freely control the order of the scan electrodes to which the first voltage is applied according to the scan data.06-03-2010
20090189886Liquid crystal display driving apparatus and method thereof - A liquid crystal display (LCD) driving apparatus and the method thereof is disclosed. The method receives a pixel and drives a pixel of the LCD according to the pixel value in a frame period, wherein the frame period is divided into a precharge field and a compensation field. Firstly, a precharge pixel value is decided according to the pixel and a reference value. A compensation pixel value is decided according to the precharge pixel. Next, a precharge driving voltage is determined according to the precharge pixel value. Afterwards, a compensation driving voltage is determined according to the compensation pixel value. Finally, the pixel is driven according to the precharge driving voltage and the compensation driving voltage respectively during the precharge field and the compensation field.07-30-2009
20090189885PLASMA DISPLAY PANEL AND METHOD AND DEVICE FOR DRIVING THE SAME - In a plasma display panel, errors in a digital image signal due to over-current are prevented from being generated. A method of driving the plasma display panel is performed in a plasma display panel driving block constituted by a high power element and a low power element and includes determining the start point of high current generation in the high power element; stopping the signal transmission of the low power element; determining the end point of the high current generation in the high power element; and resuming the signal transmission of the low power element.07-30-2009
20120188224DATA PROCESSING METHOD, DATA DRIVING CIRCUIT PERFORMING THE SAME AND DISPLAY APPARATUS HAVING THE DATA DRIVING CIRCUIT - A data processing method for a display apparatus includes comparing data signals outputted to a first data line and a second data line of a plurality of data lines of a data driving circuit in the display apparatus to generate an output buffer control signal, and outputting output signals from at least one amplifier of a plurality of amplifiers of an output buffer in the data driving circuit to the first data line and the second data line, where the at least one amplifier is selected based on the output buffer control signal.07-26-2012
20090085909Electro-wetting display device - An exemplary electro-wetting display (EWD) device (04-02-2009
20090189884DRIVING METHOD OF ELECTROPHORETIC DISPLAY DEVICE, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - An electrophoretic display device has a display unit including a plurality of pixels in which electrophoretic elements including electrophoretic particles are interposed between a pair of substrates, each pixel including a pixel electrode, a pixel switching element, a memory circuit connected between the pixel electrode and the pixel switching element, and a switch circuit connected between the pixel electrode and the memory circuit, and first and second control lines connected to the switch circuits. When a ratio of first-gray-scale pixel data in image data displayed on the display unit is 50% or more of the image data, an image display action is performed which includes: an image signal input period in which the pixel data is input as an image signal to the memory circuit of each pixel; a first image display period in which all the pixels are set to a first gray scale by inputting control signals having the same potential to the first and second control lines; and a second image display period in which a second-gray-scale image is displayed by inputting a potential to one control line of the first and second control lines connected to the pixel electrode of the pixel to which the image signal corresponding to a second gray scale other than the first gray scale is input and electrically disconnecting the other control line.07-30-2009
20090153542LIGHT DIFFUSER FOR A STRETCHABLE DISPLAY - An apparatus (06-18-2009
20090153544DRIVING SYSTEM, ELECTRO-OPTIC DEVICE, AND ELECTRONIC DEVICE - A driving system that drives an electro-optic device including a plurality of pixel electrodes, a counter electrode, a plurality of storage capacitor elements, and an electro-optic material is provided. The driving system includes a supply circuit that selectively supplies voltage to first and second ends of capacitor elements corresponding to a first horizontal line. A switching circuit is also provided that switches, in sequence every predetermined period, each of the voltages to be supplied to the second end of the capacitor elements from a first voltage to a second voltage or from the second voltage to the first voltage. A control circuit electrically connects the second end of the first storage capacitor elements and to each other before the voltage switched by the switching circuit is supplied to the second end of at least one of the storage capacitor elements.06-18-2009
20090153546DRIVING CIRCUIT FOR DISPLAY DEVICE, AND DISPLAY DEVICE - A driving circuit of display device includes digital/current converting (DCC) circuits one for each data line. The DCC circuit operates to charge a capacitor with a reference current according to a supplied signal from a shift register. The DCC circuit stores a current value of the reference current and outputs it to a data line via a switching element that has been turned on by a digital image data signal (H) of a single line supplied from a line latch. The output value of each DCC circuit is reset one after another in every select scan period in which an OFF signal is sent to all the data lines. In this way, the reset of the output value and the output of the image data signal can be successively carried out within one frame period, enabling the data to be applied to the pixel circuit with the DCC circuits provided one for each data line. This simplifies the driving circuit that drives the pixel circuits provided with an electro-optic element and disposed in a matrix.06-18-2009
20090153545Display processing device and timing controller thereof - A timing controller for a display processing device includes: a plurality of predetermined pins for receiving an image signal by a pin-share method, wherein the image signal is a first format image signal or a second format image signal; a detector coupled to the predetermined pins and for detecting at least one of the predetermined pins to determine whether the image signal is the first format image signal or the second format image signal and outputting a detection result; and a processor coupled to the detector and for processing the image signal according to the detection result to generate and output a timing control signal.06-18-2009
20090153543Driving Method of Plasma Display Panel and Plasma Display Device - In a technique of a PDP having a four-electrode structure of (X, Y, Z, and A), the technique capable of preventing a delay of a discharge timing due to a voltage applied to the Z electrode is provided. In the four-electrode product structure of (X, Y, Z, and A) and a PDP in which rows are formed at both sides of a Y electrode, for a voltage waveform applied to each electrode (for example, X06-18-2009
20090146989Chromaticity converting device, timing controller, liquid crystal display apparatus, and chromaticity converting method - In one embodiment of the present invention, a chromaticity converting device is realized which can appropriately correct a shift in hue caused by a leakage of green light from a blue color filter when a color filter having improved transmittance is used to increase luminance. The chromaticity converting device serves to perform chromaticity conversion with respect to an RGB signal, converts a gradation of G data so that the gradation of the G data decreases in a predetermined region A06-11-2009
20090146993Liquid crystal display device and driving method thereof - A driving method of an LCD device driving a liquid crystal display device including the steps of deriving a frame detection signal from a data enable signal by detecting a blank interval between frames deriving a start signal from the frame detection signal deriving a first gate clock signal from the start signal deriving a second gate signal from the first gate clock signal wherein a rising time of the first gate clock signal is in a range between a falling time of the start signal and a rising time of the second gate clock signal.06-11-2009
20090146992DISPLAY DEVICE - Disclosed herein is a display device including, a display section having a display surface, and capable of displaying information on the display surface, and a light storing section capable of receiving incident light including visible light, absorbing a part of the incident light, and outputting the part of the incident light as an afterglow including non-visible light, wherein a light sensor configured to detect an object to be detected on a side of the display surface on a basis of a non-visible light component of output light from the light storing section is disposed within the display section.06-11-2009
20110128280DISPLAY PANEL - A display panel including a first substrate, scan lines, data lines, sub-pixel units, a light-shielding layer, a second substrate, and a display medium is provided. Each of the sub-pixel units includes a main display unit and a sub-display unit. The main display unit includes a first switch and a first pixel electrode, wherein the first pixel electrode and the data lines adjacent thereto are separated from each other with a gap (G06-02-2011
20090146991DRIVING METHOD OF ELECTROPHORESIS DISPLAY DEVICE - A driving method of an electrophoretic display device composed of a pair of substrates with electrophoretic elements, each containing electrophoretic particles, interposed therebetween, first electrodes provided on one substrate of the pair of substrates so as to correspond to pixels, and a second electrode which is provided on the other substrate and is shared by all of the pixels, in which each pixel includes a pixel switching element connected to a scan line and a data line, a memory circuit connected to the pixel switching element, and a switch circuit disposed between the memory circuit and the first electrode, and the switch circuit is connected to a first control line and a second control line, the driving method includes: inputting an image signal to the memory circuit via the pixel switching element; causing the first control line and the second control line to be connected to the first electrode by driving the switch circuit in response to an output from the memory circuit; causing a potential of the second electrode to alternate between a first potential and a second potential in a state in which a potential of the first control line is set to the first potential and a potential of the second control line is set to the second potential; and setting the potential of the first control line to a third potential which is higher than the first potential in an image display step which is performed after the inputting an image signal.06-11-2009
20090146988ACTIVE MATRIX ELECTROLUMINESCENT DISPLAY DEVICE WITH TUNABLE PIXEL DRIVER - Driver circuitry of each pixel provides pixel drive currents to respective LED display elements of the pixels of a display. An output transistor arrangement for each column drive circuit within a pixel has a plurality of output transistors (06-11-2009
20100128028METHOD OF DRIVING A DISPLAY PANEL, AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - Disclosed is a method of driving a display panel, which includes a plurality of data lines, a plurality of gate lines, a first pixel column electrically connected to an N-th gate line and a second pixel column electrically connected to an (N+1)-th gate line adjacent to the N-th gate line (wherein N is a natural number). In the method, compensation data of the first pixel for compensating for a kickback deviation between the first and second pixel columns is generated using first data and second data corresponding to the first and second pixel columns, respectively. The compensation data of the first pixel column and the second data of the second pixel column are converted to data voltages of an analog type to output the data voltages to the data lines.05-27-2010
20100128023DRIVING DEVICE AND DRIVING METHOD OF PLASMA DISPLAY PANEL AND PLASMA DISPLAY DEVICE - Any of first and second sub-field configurations is selected. In the first sub-field configuration, a width of a write pulse of a sub-field with a lowest display luminance is not more than widths of write pulses of the other sub-fields. In the second sub-field configuration, the width of the write pulse of the sub-field with the lowest display luminance is larger than the widths of the write pulses of the other sub-fields. When the first sub-field configuration is selected, a voltage applied to a sustain electrode in a write period of the sub-field with the lowest display luminance is set higher than a voltage applied to the sustain electrode in write periods of the other sub-fields. When the second sub-field configuration is selected, the voltage applied to the sustain electrode in the write period of the sub-field with the lowest display luminance is set to be the same as the voltage applied to the sustain electrode in the write period of any of the other sub-fields.05-27-2010
20100007655ENERGY USAGE DISPLAY DEVICE - A home energy display that receives energy consumption data from a sensor or other source mounted to a home's electric meter. The display can accommodate various pricing structures including tiered rates and time-of use rates and shows various energy consumption information, including real time energy consumption and its associated cost. The display can also “zero out” a home's energy use to provide a base line so that any additional use (e.g. by a single or group of appliances) can be calculated.01-14-2010
20100123710LIQUID CRYSTAL DISPLAY DEVICE - An LCD device having improved reliability is disclosed.05-20-2010
20100128027DISPLAY PANEL DRIVING VOLTAGE OUTPUT CIRCUIT - A driving voltage output circuit for a matrix display panel includes high-side voltage followers and low-side voltage followers. Each voltage follower includes a differential input stage, a control stage, and an output stage. First and second transistors in the differential input stage receive non-inverting and inverting inputs and produce first and second potentials that control the control stage. Third and fourth transistors of different channel types in the control stage are connected in a push-pull configuration between high-side and low-side power supply potentials to generate a control potential. Fifth and sixth transistors of identical channel types in the output stage are connected in series between an intermediate reference potential and one of the power supply potentials, and are controlled by the first potential and the control potential to generate an output potential. The output potential is fed back as the inverting input.05-27-2010
20090303228ELECTROPHORETIC DISPLAY DEVICE, ELECTRONIC APPARATUS, AND METHOD OF DRIVING ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes a first substrate and a second substrate, an electrophoretic element which is placed between the first and second substrates and contains electrophoretic particles, a plurality of first pixel electrodes formed on an electrophoretic element side of the first substrate, second pixel electrodes provided on the electrophoretic element side of the first substrate in an electrically floating state, and a common electrode provided on an electrophoretic display side of the second substrate so as to face the first and second pixel electrodes, in which a region where the second pixel electrodes are placed includes part of a space between the adjacent first pixel electrodes.12-10-2009
20100118024METHOD FOR REMOVING OFFSET BETWEEN CHANNELS OF LCD PANEL - A method of removing offsets between channels of a liquid crystal panel is provided. The method includes: alternately arranging first type output buffers and second type output buffers for driving the pixels in units of at least two rows of the pixels; and arranging the first type output buffers and the second type output buffers in units of at least two columns of the pixels so that the output buffers with types opposite to those of previous two columns are arranged. The second type output buffers are embodied by switching connections among the differential transistors and connections among the load transistors in the first type output buffers.05-13-2010
20100079443APPARATUS, SHIFT REGISTER UNIT, LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR ELIMINATING AFTERIMAGE - An apparatus, a shifter register unit, a liquid crystal display device and a method for eliminating afterimage are provided herein, which merely utilize a high voltage source delay discharging phenomenon oriented from a powered-off power device to lead any two of a plurality of existing signal sources employed by the shift register unit to reach a high level used for controlling of charge and discharge of a discharge switching unit corresponding to a pixel unit. Therefore, a power-off afterimage problem could be improved and a signal reset function for power-on also can be achieved.04-01-2010
20110187700ELECTRONIC APPARATUS AND DISPLAY CONTROL METHOD - According to an aspect of the present invention, there is provided an electronic apparatus including: a detection unit configured to detect a start of a reproducing of a motion picture to be displayed on a display unit; a change unit configured to change a refresh rate of the display unit when the start of the reproducing of the motion picture is detected, the refresh rate being changed not by changing an operating frequency of the display unit, the refresh rate being changed by changing a blanking period, the blanking period being a period during which a drawing operation of a screen on the display unit is not performed; and a control unit configured to control the display unit to display the motion picture based on the changed refresh rate.08-04-2011
20090207164Mirror control within time slot for SLM - The present invention provides a spatial light modulator, comprising: a plurality of pixel elements; a first control circuit for supplying control signal data to each of the pixel elements in a time slot having a predetermined time interval to control and apply a first control process to operate the pixel element; and a second control circuit for applying a second control process in the time slot to operate each of the pixel elements wherein the second control process is different from the first control process.08-20-2009
20090207163Liquid Crystal Driving Circuit, Driving Method and Liquid Crystal Display Apparatus - In one embodiment of the present application, a memory stores a lookup table storing, in accordance with a combination of a value of a video signal of a current frame and a value of a video signal of a previous frame, each of correction values, the correction values in each of which a temporal change of a video signal is enhanced. A correcting circuit carries out, with respect to a correction value selected from the lookup table, a predetermined correcting operation in accordance with a polarity of a voltage to be applied to each of data signal lines S08-20-2009
20090174700ILLUMINATOR FOR EMITTING AT LEAST TWO LIGHTS HAVING DIRECTIVITY AND DISPLAY APPARATUS USING SAME - A display apparatus includes a liquid crystal display panel and an illuminator disposed at the back of the panel for emitting at least two illumination lights having directivities in different directions toward the panel. The illuminator includes a light guide plate made of transparent material whose one end surface serves as a light entrance end surface, whose one plate surface serves as a light exit surface, and whose other plate surface serves as a light direction changing surface for changing the advancing direction of light entering from the light entrance end surface. The light direction changing surface has a plurality of circular-arcing slanted surfaces shaped into semicircles formed on concentric circles centered at the center of the longer dimension of the light entrance end surface. Light emitting elements are disposed on the light entrance end surface at two positions on left and right sides of the center equidistantly apart therefrom.07-09-2009
20100123712METHOD OF CALIBRATING A DISPLAY DEVICE BY ITERATION IN ORDER TO OPTIMIZE AN ELECTRICAL CONTROL VOLTAGE OF THE DISPLAY DEVICE - The present invention relates to a method of calibration of a display device by iteration in order to optimize an electrical control voltage of the display device, the calibration method comprising a measurement of an optical contrast of the display device and a calculation of an electrical control voltage value, the optical contrast measurement and the calculation of the electrical voltage value being carried out once during each calibration step, the optimization of the electrical control voltage being carried out starting from an initial value of the electrical control voltage and ending with a final value of the electrical control voltage, the calibration method being carried out by means of an initial calibration step and by means of a calibration refinement step, the initial calibration step being carried out once during the calibration method, the calibration refinement step being carried out once or several times during the calibration method, the approximation of the final value of the electrical control voltage due to the initial calibration step being higher than the approximation of the final value of the electrical control voltage due to the calibration refinement step.05-20-2010
20100123711DISPLAY DEVICE - In order to efficiently suppress pseudo contours, a display device has pixels arranged in a matrix arrangement, and performs display by performing digitally driving according to pixel data of an image signal. The driver divides pixel data for a single pixel into corresponding sub-frames as a plurality of bit data, and forms one frame from a specified repeating number of unit frames and digitally drives each pixel by providing the bit data to each pixel. A data analyzing circuit analyzes input data, and analyzes likelihood of occurrence of pseudo contours. A refresh rate control circuit controls the driver based on the analysis results to change a repeating number of unit frames of a single frame.05-20-2010
20100123713DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a first pixel and a second pixel. The first pixel and the second pixel are defined by a first gate bus line, a second gate bus line, a first power supply line and a second power supply line. A data bus line between the first supply line and the second supply line divides the first pixel from the second pixel line. Accordingly, the pixel shares a data bus line or a power supply line with adjacent pixel. Advantageously, thereby, more space between lines prevents defects caused during fabricating the display device and improve a reliability of the display device.05-20-2010
20090278838Driving Circuit and Driving Controller Capable of Adjusting Internal Impedance - A driving circuit includes a power supply, a plurality of conductive paths and a plurality of driving controller. The power supply is configured for providing a predetermined voltage. The conductive paths are connected to the power supply to receive the predetermined voltage. The driving controllers are connected to the conductive paths correspondingly. A first driving controller of the driving controllers has a first internal circuit configured for employing an internal voltage to perform functions provided by the first driving controller, and a resistance adjustment unit. The resistance adjustment unit is connected between a special conductive path and the first internal circuit. The second driving controller has a second internal circuit configured for employing a second internal voltage to perform functions provided by the second driving controller. A resistance value of the resistance adjustment unit is adjustable to make the first internal voltage same to the second internal voltage.11-12-2009
20090201285PLASMA DISPLAY PANEL DRIVING METHOD AND PLASMA DISPLAY DEVICE - A plasma display driving method capable of displaying a vigorous image having enhanced maximum luminance and contrast. For this purpose, one field is divided into a plurality of sub-fields each including a sustain period. In the sustain period, the number of sustain pulses obtained by multiplying a proportionality factor by a brightness weight set for each of the sub-fields are applied to display electrode pairs to generate sustaining discharge in discharge cells having generated addressing discharge therein. Thus, the total number of the sustain pulses in one field period can be changed. When a predetermined image meeting predetermined conditions is displayed, the total number of the sustain pulses in one field period is made larger than those in the case where the other normal images are displayed.08-13-2009
20080211801Display Apparatus Driving Method, Display Apparatus Driving Device, Program Therefor, Recording Medium Storing Program, and Display Apparatus - A control section is disclosed which divides a display screen into small regions, evaluates the relative brightness of each of the small regions in accordance with color data to be inputted as color data by which each pixel is displayed, and determines whether or not the display screen has a first small region that is brighter than the other small regions by a predetermined degree. Furthermore, the control section causes a first generating device to generate gradation data for use in the first small region, and causes a second generating device to generate gradation data for use in the other small regions. Even if the second generating section receives the same color data as the first generating section does, the second generating section limits the luminance of a W sub-pixel as compared to the first generating section. With this, the first small region can be displayed more strikingly brightly, so that a clearer, more realistic, and more appealing image can be displayed. This makes it possible to realize a display apparatus capable of displaying a clearer, more realistic, and more appealing image.09-04-2008
20090085908DRIVING CIRCUIT FOR LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS - A driving circuit for a light-emitting device outputs a drive current from an output terminal to the light-emitting device in accordance with a signal current input from an input terminal. The driving circuit includes a drive transistor, a capacitor connected between a gate and a source of the driving transistor, a resistance device and a first switch arranged in series between a drain of the drive transistor and the input terminal, a second switch configured to connect the gate of the drive transistor and a first terminal of the resistance device when the first switch is closed, the first terminal being more remote from the drive transistor, and a third switch disposed in a path through which a drain current of the drive transistor flows from the output terminal to the light-emitting device. The resistance device increases its resistance in accordance with a cumulative amount of a passing current.04-02-2009
20090273595ACTIVE MATRIX TYPE DISPLAY DEVICE - ABSTRACT OF THE DISCLOSURE In an active matrix type display device including two source line side drivers for driving a plurality of pixel TFTs, one gate line side driver, two line memories respectively including at least first and second memories, and a controller for controlling the first and second line memories, storing and transmitting of picture data of the two line memories are switched to transmit the data to the two source line side drivers at the same time.11-05-2009
20090273593Display Device and Electronic Device - A display device of a type capable of narrowing the pitch, realizing narrowing of the frame, and further lowering the power consumption and an electronic device using the device, wherein two horizontal drive circuits 11-05-2009
20090273594Apparatus and drive method for light emitting device array - A system and drive method for compensating intensity variation due to variation of operating cycles in a dynamically controlled system comprising a plurality of light emitting devices are provided in this invention.11-05-2009
20090278837Luminous Display and Method for Controlling the Same - A luminous display includes pixels arranged in rows and columns. Control signals that are used for controlling first switches for measuring parameters of pixel cells in a first row are also used to control second switches for programming pixel cells in a second row. In this way it is possible to use a single control signal for selecting one pixel cell for programming and simultaneously selecting another pixel cell for measuring. Programming and measuring are thus performed in a time staggered manner, while the addressing is moved to the respective next row. The programming is preferably voltage programming. In one embodiment the current through the pixel cell that is currently programmed is interrupted. In another embodiment the measuring is performed only after the transient current into signal holding means coupled to current control means has set.11-12-2009
20090284522Electronic Device and Method of Driving the Same - To provide a novel driving method for driving an electronic device by using digital gray scale and time gray scale in combination, which secures high duty ratio, which can display an image normally even when a sustain period is shorter than an address period, and which is hardly affected by dulled signal waveform. In a sub-frame period (11-19-2009
20090289936PORTABLE ELECTRONIC LOYALTY DEVICES - A mobile device for use in processing a transaction, comprises an electronic card, tag, fob or similar small portable device having a stored identity and comprising a housing having vertical and horizontal dimensions of a standard credit card, a tag, a fob or the like, transmitter/receiver means including an RFID transmitter and configured to communicate with a local computer for receiving messages, processor means for receiving, storing and outputting messages, and an output device configured to reproduce messages in visible or audible form. The aforesaid card, tag, fob or similar small portable device may be used in association with apparatus for reading and processing the card, tag, fob or similar small portable device consequent on a transaction involving a user of said card, tag, fob or similar small portable device, said apparatus comprising a reader for electronic remote reading of the stored identity on a card, tag, fob or similar small portable device, a processing station for processing a transaction involving the holder of the card, tag, fob or similar small portable device, a local computer configured to receive the identity read by the reader and transaction information from the processing station, and to cause a message to be transmitted to the card, tag, fob or similar small portable device, and one or more remote computers configured to contain a database of identities and transactions for the cards, tags, fobs or similar small portable devices and to generate messages for storage on the cards, tags, fobs or similar small portable devices, the local computer being configured to alert said remote computer or one of said remote computers on reading of a stored identity, and to supply information for use at said local computer concerning one or more messages to be transmitted to and stored on said card, tag, fob or similar small portable device.11-26-2009
20090289935LIQUID CRYSTAL DRIVE DEVICE, LCD APPARATUS AND DRIVE METHOD - A liquid crystal drive device includes: a frame memory retaining image information of a second frame immediately preceding a first frame; a first calculator calculating a first difference between image information of the first frame and the image information of the second frame; an edge enhancement processor performing edge enhancement processing of the first frame for each of pixels of the first frame and outputting edge enhancement image information; a selector selecting and outputting the edge enhancement image information or image information of the first frame; a second calculator calculating a second difference between an output of the selector and the image information of the second frame; an enhancement coefficient calculator multiplying an output of the second calculator by an enhancement correction coefficient; and a third calculator calculating sum information by adding together an output of the enhancement coefficient calculator and the image information of the second frame.11-26-2009
20090295785DISPLAY APPARATUS, DRIVING METHODS AND ELECTRONIC INSTRUMENTS - A display apparatus employs a pixel array section including pixel circuits forming a matrix, signal lines as columns, scan lines as rows and power-supply lines, and driving sections. The driving sections are a signal selector, a write scanner and a drive scanner. The signal selector provides an electric potential representing a gradation or a predetermined reference electric potential. The write scanner provides a control signal. The drive scanner provides a power-supply voltage changing the electric potential from high to low. The drive scanner drives adjacent power-supply lines as a group. The number of lines as a group is determined in advance. The drive scanner switches a power-supply voltage from high to low and vice versa, and applies the voltage to groups by shifting the phase from group to group. The voltage is supplied to a group at the same phase and switched the electric potential.12-03-2009
20090262106METHOD OF DRIVING A DISPLAY PANEL AND DISPLAY APPARATUS HAVING THE DISPLAY PANEL - A method of driving a display apparatus having first and second data lines includes applying a first data signal (to which a first gamma curve has been applied) and a first inverted data signal (having a phase opposite to a phase of the first data signal) to the first data line and the second data line, respectively, during a first frame interval. The method further includes applying a second data signal (to which a second gamma curve has been applied) and a second inverted data signal (having a phase opposite to a phase of the second data signal) to the first data line and the second data line, respectively, during a second frame interval temporally subsequent to the first frame interval.10-22-2009
20080211802DISPLAY DEVICE AND CONTROL METHOD OF THE SAME - A display device includes a display panel which includes a plurality of pixels in a matrix form, an image signal comparator which compares image signals corresponding to at least two successive frames and increases a count value if a proportion of the image signals that are the same as each other exceeds a preset critical value, and a panel driver which drives the display panel to display a non-image signal on at least a part of the display panel during at least one frame if the count value reaches a preset instruction value.09-04-2008
20100201680PLASMA DISPLAY DEVICE AND DRIVING METHOD THEREOF - A driving method of a plasma display device, the plasma display device having a plurality of first and second electrodes disposed adjacent to each other and a plurality of third electrodes disposed so as to intersect with the first and second electrodes, the driving method includes providing a reset period, an address period and a sustain discharge period for driving of the plasma display device, applying to the second electrode in the reset period a voltage with a waveform in which an applied voltage value increases with time, shortening a sustain time of achieved potential of the voltage with the waveform when a first display ratio of an input video signal is low as compared with a second display ratio which is higher than the first display ratio.08-12-2010
20100201679DRIVING CIRCUIT, DRIVING METHOD, ELECTRO-OPTICAL APPARATUS AND ELECTRONIC APPARATUS - Disclosed is a driving circuit that drives an electro-optical apparatus including electro-optical materials interposed between a pixel electrode and an opposite electrode which face each other, the driving circuit including an image signal supply unit that supplies the pixel electrode with an image signal corresponding to an image to be displayed, a common potential supply unit that supplies a common potential, which is a predetermined potential, to the opposite electrode, and a common potential control unit that, during a period for which the image signal is not supplied to the pixel electrode, controls the common potential supply unit such that the common potential is changed to a potential different from the predetermined potential and maintained for a predetermined period, and then the common potential is returned again to the predetermined potential.08-12-2010
20100201678DRIVING DEVICE, DRIVING METHOD AND PLASMA DISPLAY APPARATUS - A first ramp waveform (RW08-12-2010
20130100113RELAY APPARATUS, RELAY METHOD, AND 3D IMAGE SYSTEM - A relay apparatus is provided. The relay apparatus includes a receiving unit configured to receive an IR signal from a 3D display apparatus, a control unit configured to detect control information for driving 3D glasses included in the IR signal and generating a transmission packet according to an RF communication protocol based on the detected control information, and a communication unit configured to transmit the transmission packet to the 3D glasses.04-25-2013
20100103163DRIVER APPARATUS - A driver apparatus applied on a display is disclosed. The driver apparatus includes a voltage converter, an input level shift circuit, at least one input logic circuit, and at least one output level shifter. The voltage converter receives a first voltage, a ground voltage, and a second voltage, and generates an internal voltage according to the first voltage, the ground voltage, and the second voltage. The input level shift circuit receives an input signal, and generates a level shift input signal transiting between the first voltage and the second voltage according to the input signal. The input logic circuit receives the internal voltage, and generates an internal output signal transiting between the internal voltage and the second voltage according to the level shift input signal. The output level shifter generates a driving signal transiting between a third voltage and the second voltage according to the internal output signal.04-29-2010
20090027377ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting display includes: a sensing unit for extracting degradation information of an organic light emitting diode included in each of the pixels, and for transferring a first digital value and a second digital value corresponding to the extracted degradation information to a data driver; the data driver for generating data signals corresponding to second data supplied from a timing controller during a normal driving period; a first analog-digital converter for converting the voltage corresponding to the first digital value to a fourth digital value, and for converting the voltage corresponding to the second digital value to a fifth digital value; and the timing controller for storing the fourth digital value and the fifth digital value, and for changing first data supplied from an exterior in accordance with the fourth digital value and the fifth digital value to generate the second data.01-29-2009
20080238911Apparatus and method for controlling picture quality of flat panel display - An apparatus and method for controlling picture quality of a flat panel display. The apparatus for controlling picture quality of the flat panel display includes a position determining unit which determines a display position of digital video data; a gray-level determining unit which determines a gray-level value of the digital video data; and a frame rate control unit that disperses a plurality of dither patterns determined by a compensation value for compensating for brightness in a boundary between the panel defect region and the non-defect region during a plurality of frame periods and controls data, which will be displayed in the boundary, by the compensation value, if the digital video data is determined to the data which will be displayed in the boundary between the panel defect region and the non-defect region according to the determined result of the position determining unit.10-02-2008
20100141643METHOD FOR DRIVING DISPLAY PANEL - A method for driving a display panel is provided. The method includes the following steps. Firstly, providing a first scan signal to turn on a plurality of first sub-pixels within the i06-10-2010
20100128026DISPLAY PANEL DRIVING APPARATUS - A display panel driving apparatus supplies pixel driving potentials corresponding to pixel data to the source lines of a display panel. The pixels are located at the intersections of the source lines and a set of scanning lines. For each pixel, the driving potentials are alternately positive and negative with respect to a common reference potential supplied to the display panel. While the display driving apparatus is latching the pixel data for the pixels on each scanning line, the output circuits of the display driving apparatus are disconnected from the source lines, allowing the source lines to return to the common reference potential, thereby avoiding unwanted current flows in the output circuits and unwanted distortion of the pixel driving waveforms.05-27-2010
20090167753PLASMA DISPLAY PANEL AND DRIVING METHOD THEREOF - A display panel and a driving method thereof capable of minimizing electromagnetic interference (EMI). A driving method of a display panel includes: sequentially supplying scan pulses to scan electrodes; and supplying data pulses separated by a time difference to at least two timing blocks while the scan pulses are supplied, each of the timing blocks including blocks of address electrodes, wherein the blocks of address electrodes supplied with the data pulses at a same time are separated by at least one block of address electrodes supplied with the data pulses at a time different from the same time by the time difference.07-02-2009
20090167752PLASMA DISPLAY PANEL DRIVING METHOD AND PLASMA DISPLAY DEVICE - A technique capable of enhancing performance of a reset operation by a reset waveform using a step-wise rectangular wave and obtaining stable display characteristics in a subfield drive control of a PDP device is provided. In the PDP driving method, in the drive control of the subfield, a reset waveform including a rectangular wave raised in a plurality of steps in a step-wise manner is used in the reset operation, and the application timing of a partial waveform having one or more steps previous to a second step in the rectangular wave is shifted according to the number of sustains previous to the reset operation.07-02-2009
20090167751Methods and Systems for Image Tonescale Design - Elements of the present invention relate to systems and methods for generating, a modified process for compensating for a reduced source light illumination level as well as a post-compensation process.07-02-2009
20080278473Source line driver and method for controlling slew rate according to temperature and display device including the source line driver - A source line driver and method for controlling a slew rate according to temperature and a display device including the source line driver are provided. The source line driver includes a temperature sensing unit configured to sense a temperature, compare the sensed temperature with a reference temperature, and generate a comparison result as a control signal; and a bias voltage generator configured to output a plurality of bias voltages whose voltage levels are controlled in response to the control signal. Accordingly, the slew rate of an output buffer is controlled based on the sensed temperature, so that false operation caused by heat generated in the source line driver and display panel can be prevented when the temperature is increased.11-13-2008
20090033650VIDEO PROCESSING METHOD, VIDEO DISPLAY DEVICE AND ITS TIMING CONTROLLER - Video processing method, a video display device and its timing controller can support video signals having different types of resolutions from ones set in advance without a special circuit identifying the resolution. Timing controller of video display device generates a first horizontal reference signal (HRST_start) indicating start of an active period of a data enable signal and a second horizontal reference signal (HRST_end) indicating end of the active period from an input video signal. Next, timing controller generates control signals (HSP, STB, POL, VCK, and VOE) based on the number of clocks from the rise of the first and second horizontal reference signals (HRST_start and HRST_end) and on signal generation timing values (α, A to D) predetermined for each control signal supplied to drivers.02-05-2009
20080291195LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display is provided, which includes: a plurality of pixel row groups, each pixel row group including at least one pixel row that includes a plurality of pixels arranged in a matrix and including switching elements; a plurality of gate lines connected to the switching elements and transmitting a gate-on voltage for turning on the switching elements; and a plurality of data lines connected to the switching elements and transmitting data voltages, wherein the switching elements in adjacent pixel row groups are connected to the data lines at opposite sides.11-27-2008
20080303808Liquid crystal display with flicker reducing circuit and driving method thereof - An exemplary liquid crystal display includes an image signal analyzing circuit, a frame rate controlling circuit, an image signal processing circuit, and an output circuit. The image signal analyzing circuit is configured for judging whether images corresponding to input signals have flicker by analyzing pixel intensities and pixel voltage polarities of the input signals of each frame, and outputting controlling signals. The frame rate controlling circuit is configured for controlling a frame rate of output signals according to the controlling signals received from the image signal analyzing circuit. The image signal processing circuit is configured for inserting black image signals into input signals if the images corresponding to input signals have flicker. The output circuit is configured for outputting image signals according to signals transmitted from the frame rate controlling circuit and the image signal processing circuit.12-11-2008
20080238910Overdriving A Pixel Of A Matrix Display - An overdrive circuit (10-02-2008
20100265246DISPLAY CONTROL DEVICE FOR FLAT PANEL DISPLAYS AND DISPLAY DEVICE UTILIZING THE SAME - A display control device for a flat panel display is provided and includes a display controller and a timing controller. The display controller is provided for receiving an input signal and generating a display signal and a plurality of timing signals corresponding to the display signal. The timing controller includes a timing control unit and a data processing unit. The timing control unit is coupled to the display controller for providing a plurality of control signals required for the flat panel display. The data processing unit is incorporated into the display controller in a first integrated circuit chip for receiving the display signal and generating a plurality of output signals in synchronization with the timing signals. The output signals are output to the flat panel display through a predetermined interface.10-21-2010
20100265247METHOD OF MODULATING/DEMODULATING A SIGNAL, APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS INCLUDING THE APPARATUS - In a method of modulating/demodulating a signal, a transmission signal is generated from an input data signal including data information by combining a plurality of input shift clock signals, which are modulated based on input clock signal during an interval period of the input clock signal, during 2 interval periods of the input clock signal. An output clock signal is detected and an output clock signal is generated from the transmission signal by combining a plurality of output shift clock signals, demodulated based on the output clock signal during an interval period of the output clock, during 2 interval periods of the output clock signal, to restore the data information.10-21-2010
20080284775Liquid crystal display driving system and method for driving the same - The present invention discloses a liquid crystal display driving system that uses at least one temperature sensor to detect a temperature of a LCD panel, and outputs a gamma compensation voltage value according to the detected temperature, and further uses an overdrive compensation unit to receive the gamma compensation voltage value, and obtains the overdrive compensation voltage value of two gamma overdrive compensation curves of a temperature gradient corresponding to a region of the LCD panel by a gamma mapping method, or uses an overdrive compensation unit to derive a corresponding partial compensation data table according to the temperature and the compensation data table, and at least one overdrive compensation table (OD compensation table) corresponding to the change of temperature gradient in a region of the LCD panel is derived, an outputted display image after being processed by an overdrive lookup table (OD LUT) is compensated, so as to adjust the overdrive voltage of the LCD panel and enhance the response time of the liquid crystal display.11-20-2008
20110007068DISPLAY PANEL DRIVER, DISPLAY APPARATUS, AND DISPLAY PANEL DRIVING METHOD - A display panel driver includes: a latch block configured to latch a drive data signal corresponding to an image in response to assertion of a latch enable signal supplied externally and output the latched drive data signal as a first latch data signal; an output control block configured to delay the first latch data signal in response to the latch enable signal to generate a second latch data signal; and a drive circuit section configured to drive a wiring provided in a display panel in response to the second latch data signal. One of rising timing and falling timing of the second latch data signal outputted from the output control block is delayed from the other timing. The one timing is determined in response to negation of the latch enable signal, and the other timing is determined regardless of the negation of the latch enable signal.01-13-2011
20110007067ORGANIC LIGHT EMITTING DISPLAY AND DRIVING METHOD THEREOF - An organic light emitting display that can stably extract information from pixels. A driving method of the organic light emitting display includes: generating first digital values by sensing deterioration information of organic light emitting diodes respectively included in a plurality of pixels coupled to a data line during two or more continuous frame periods; storing the first digital values in a memory; generating second digital values by sensing threshold voltage and mobility information of driving transistors respectively included in the pixels during two or more continuous frame periods; storing the second digital values in the memory; converting input data into calibration data according to the information stored in the memory to display an image having a uniform brightness, irrespective of the deterioration information of the organic light emitting diodes and the threshold voltage and mobility information of the driving transistors; and supplying a data signal in accordance with the calibration data to the data line.01-13-2011
20090160849INTEGRATED CIRCUIT DEVICE, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC INSTRUMENT - An integrated circuit device includes first to Nth data driver blocks that are disposed along a first direction. Each of the first to Nth data driver blocks includes first to Mth sub-driver blocks. Each of the sub-driver blocks includes a D/A conversion circuit that receives image data and D/A-converts the image data, and first to Lth data line driver circuits that are disposed along the first direction in a second direction with respect to the D/A conversion circuit and share the D/A conversion circuit.06-25-2009
20100141645Organic light emitting display device and method of driving the same - An organic light emitting display device capable of driving transistor threshold voltage compensation, including: pixels positioned in the intersections of scan lines and data lines, wherein each pixel comprises: a first transistor and a fourth transistor, connected at a common node, disposed between an anode of an OLED and a first power supply; a cathode of the OLED connected to a second power supply; a second transistor connected between a gate of the first transistor and a data line, and turned on when a scan signal is supplied to a scan line; a third transistor connected between the common node and the data line, and turned on when a scan signal is supplied to the scan line; a first capacitor connected between the gate of the first transistor and the anode of the OLED; and a second capacitor connected between the anode of the OLED and a predetermined voltage source.06-10-2010
20100141644DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.06-10-2010
20090128543METHOD AND SYSTEMS FOR IMPROVING PERFORMANCE IN A FIELD SEQUENTIAL COLOR DISPLAY - Methods and systems for displaying an image on a display device having first and second light sources are provided. A video signal is provided to the display device. The video signal includes a plurality of frames, and each frame includes first and second sub-frames corresponding to the respective first and second light sources. The first light source is operated for a first duration during the first sub-frame of each of the plurality of frames. The second light source is operated for a second duration during the second sub-frame of each of the plurality of frames. The second duration is different than the first duration.05-21-2009
20090160846DISPLAY DEVICE - A system for driving a moving particle display device, such as an electrophoretic display device, is disclosed. The display device comprises first and second cells (06-25-2009
20090160843DISPLAY AND ELECTRONIC DEVICE USING THE SAME - A display comprising: a display module for displaying video signals thereon, a backlight module for emitting light towards the display module, and a controller electrically coupled with the backlight module for providing a control signal to the backlight module for disabling or enabling the backlight module. At a first time point, preset by the controller, the control signal disables the backlight module. An electronic device using the display is also disclosed.06-25-2009
20090160847Display device, method for driving same, and electronic apparatus - Disclosed herein is a display device including: a pixel array part including row first drive lines, row second drive lines, and column signal lines; and a drive part including a horizontal drive circuit, a first vertical drive circuit, and a second vertical drive circuit, wherein the first vertical drive circuit simultaneously drives pixels on two rows adjacent to each other, the second vertical drive circuit simultaneously drives pixels on two rows adjacent to each other, and a pair of rows of the pixels simultaneously driven by the first vertical drive circuit and a pair of rows of the pixels simultaneously driven by the second vertical drive circuit are shifted from each other by one row, for light-emission operation of the pixels on a row-by-row basis.06-25-2009
20090160845Liquid crystal display and method of driving the same - A liquid crystal display includes a liquid crystal panel having liquid crystal cells in a matrix array at crossings of data lines and gate lines, a data drive circuit for providing data signals to the data lines, a gate drive circuit for providing gate signals to the gate lines, and a timing controller for receiving video data and timing signals, for checking a frame frequency of the video data in real-time to detect changes in the frame frequency, and for outputting a gate timing control signal to control the gate driving circuit in response to changes in the frame frequency and a data timing control signal for controlling the data driving circuit, wherein the gate timing control signal controls black data insertion percentage in a frame.06-25-2009
20090160850DISPLAY PANEL AND DRIVING METHOD THEREOF - A display panel including a number of data lines and scan lines, a number of first, second, and third switches, and a number of first, second, and third pixels is provided. Each first pixel located at an odd position at a first side of each data line is electrically connected to the corresponding data line through one first switch. Each second pixel located at an even position at the first side of each data line is electrically connected to the corresponding data line through the first, second, and third switches sequentially connected in series. Each third pixel located at a second side of each data line is electrically connected to the corresponding data line through the second and third switches sequentially connected in series. The first, second and third pixels are driven by corresponding scan lines and data lines. A driving method of the display panel is also provided.06-25-2009
20090160848Level shift circuit, and driver and display system using the same - Disclosed is a level shift circuit including a first level shift circuit that is connected between a first power supply terminal and first and second output terminals and receives first and second input signals from the first and second input terminals, respectively, and sets one of the first and second output terminals to a first voltage level, based on the first and second input signals; a second level shift circuit that is connected between a second power supply terminal and the first and second output terminals, and sets the other of the first and second terminals to a second voltage level; and a circuit that performs control to disconnect a current path in the second level shifter between the second power supply terminal and one of the first and second output terminals that is driven to the second voltage level at a time point when the first and second input signals are supplied to the first and second input terminals for a predetermined period including the time point when the first and second input signals are supplied to the first and second input terminals, and to cancel the disconnection of the current path in the second level shifter between the one output terminal and the second power supply terminal after the predetermined period. Output amplitudes at the first and second output terminals are set to be larger than amplitudes of the first and second input signals.06-25-2009
20090128545DISPLAY DEVICE AND CONTROL METHOD THEREOF - A display device includes a display panel that has a plurality of gate lines and a plurality of data lines intersecting each other, a plurality of sensing lines that is formed in the display panel, a sensing driver that applies a sensing scan signal to the plurality of sensing lines and receives a predetermined electrical signal from the plurality of sensing lines corresponding to an external stimulus, and a demultiplexer that is provided between the sensing lines and the sensing driver and time-divides each sensing scan signal transmitted by the sensing driver to be sequentially applied to at least two sensing lines.05-21-2009
20090128544DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus includes a display panel, a light source unit including a plurality of light sources that irradiate the display panel with light, a first control signal generating unit that inverts and forward rectifies a scan signal for scanning of the light source unit, a second control signal generating unit that inverts and backward rectifies an overdrive signal for overcurrent emission of the light source unit and has its output port coupled to an output port of the first control signal generating unit, and an inverter that supplies current to the light source unit based on a control signal output from the output port of the first control signal generating unit and the output port of the second control signal generating unit.05-21-2009
20090128542Plasma Display Panel Driving Method and Plasma Display Apparatus - A plasma display panel driving method is provided in which one field of an image signal includes a plurality of sub fields each having an initialization period, an address period and a sustain period, one field period includes an all-cell initialization sub field in which an initializing discharge is generated by applying an initialization voltage to all the discharge cells to display the image in the initialization period, the initialization voltage can be varied, and the initialization voltage when an image satisfying predetermined conditions is displayed is set to be lower than an initialization voltage when an image satisfying no predetermined conditions is displayed.05-21-2009
20090091562Display Apparatus and Driving Method Therefor - A sampling transistor T04-09-2009
20120068995TRANSMISSION APPARATUS, RECEPTION APPARATUS, TRANSMISSION-RECEPTION SYSTEM, AND IMAGE DISPLAY SYSTEM - The present invention provides a transmission apparatus and a reception apparatus easy to sample data correctly by a clock in the reception apparatus. In a detection section 03-22-2012
20080316199CIRCUIT SYSTEM FOR READING MEMORY DATA FOR DISPLAY DEVICE - To reduce power consumption and enhance memory-data transmission efficiency, the present invention provides a circuit system for reading memory data for a display device includes a memory, a data bus and a latch circuit. The memory is used for storing pixel data corresponding to a plurality of pixels and outputting the pixel data according to an output control signal. The data bus is used for transferring the pixel data outputted by the memory. The latch circuit is coupled to the data bus and used for receiving the pixel data from the data bus. The latch circuit includes a plurality of latchers and a plurality of logic circuits. The plurality of latchers is used for storing the pixel data. The plurality of logic circuits is used for performing logic operations on the pixel data stored in the plurality of latchers according to a reading control signal.12-25-2008
20090251455Flat panel display and method of driving the flat panel display - A flat panel display sequentially supplying data signals to a pixel portion using a demultiplexer and a method of driving the flat panel sufficiently supply scan signals in a horizontal period to prevent deformation and distortion of the data signal supplied to each pixel and compensate for a threshold voltage of a drive transistor of the pixel. The flat panel display includes a pixel portion having a plurality of pixels, a scan driver to supply scan signals to the pixel portion, a data driver to generate data signals, a dimultiplexer portion to sequentially supply the data signals to the pixel portion, and a lighting tester to supply a lighting test signal and an initialization signal to the pixel portion. Alternatively, the flat panel display includes a pixel portion having a plurality of pixels, a scan driver to supply scan signals to the pixel portion, a data driver to output data signals and a dimultiplexer portion to sequentially supply an initialization signal and the data signal to the pixel portion.10-08-2009
20090213107METHOD AND APPARATUS FOR SENSING, MEASUREMENT OR CHARACTERIZATION OF DISPLAY ELEMENTS INTEGRATED WITH THE DISPLAY DRIVE SCHEME, AND SYSTEM AND APPLICATIONS USING THE SAME - Methods and systems for electrical sensing, measurement and characterization of display elements are described. An embodiment includes integrating the electrical sensing, measurement and characterization with the display drive scheme. This embodiment allows for measurement of DC or operational hysteresis voltages and/or response times of interferometric modulator MEMS devices, for example, to be fully integrated with the display driver IC and/or the display drive scheme. Another embodiment allows these measurements to be performed and used without resulting in display artifacts visible to a human user. Another embodiment allows the measurement circuitry to be integrated with the display driver IC and/or the display drive scheme re-using several existing circuitry components and features, thus allowing for integration of the measurement method and its use relatively easily.08-27-2009
20090322733APPARATUS AND METHOD FOR IMPROVING VIDEO QUALITY OF DISPLAY DEVICE - Provided is an apparatus for improving image quality of a display device including a panel for displaying an image according to an inputted image signal a lamp for illuminating the panel an inverter for applying a drive current to the lamp and a control unit for intermittently applying a driving pulse voltage of the inverter to perform pulse width modulation dimming, and varying an operating frequency of the inverter, wherein the control unit detects frequencies of horizontal and vertical synchronizing signals and varies a pulse width modulation frequency regardless of the horizontal and vertical synchronizing signals.12-31-2009
20110221740DRIVING METHOD OF ELECTROPHORETIC DISPLAY - A driving method of an electrophoretic display having at least a display particle is provided. The driving method includes the following steps. A first voltage difference is applied to a data line in a first period, in which the data line corresponds to one of the display particles. At least a particle restore period is inserted in the first period, and a second voltage difference is applied to the data line in the particle restore periods, in which the second voltage difference is different from the first voltage difference. With this method disclosed here, the maxima brightness, maxima darkness, contrast ratio, color saturation, bistability, and image updating time can be largely improved.09-15-2011
20110221741COLOR CONVERSION FILTER PANEL FOR COLOR ORGANIC ELECTROLUMINESCENT DISPLAY AND COLOR ORGANIC ELECTROLUMINESCENT DISPLAY - Separating partition walls, demarcating regions forming adjacently color conversion layers having different chromaticities that are stacked and arranged by an inkjet method, have at least one incision in tip faces of both length-direction end portions extended outside the screen region. A color conversion filter panel can be provided having separating partition wall structures which, when forming color conversion layers using an inkjet method, can prevent color mixing of inks between adjacent color conversion layers at length-direction end portions of the separating partition walls.09-15-2011
20090096779LIGHT SOURCE DEVICE, IMAGE DISPLAY DEVICE, AND LIGHT AMOUNT CORRECTION METHOD - A light source device includes: a light source; a driving signal generating unit that supplies a driving signal to the light source; a light amount measuring unit that measures the amount of light of the light source; and a light amount correcting unit that calculates as a light amount error a difference between a target light amount corresponding to a gray-scale value indicated by gray-scale data input from the outside and the amount of light measured by the light amount measuring unit, corrects a differential efficiency by an integrated value of a product of the light amount error and the gray-scale value, corrects a threshold value of the driving signal, and outputs to the driving signal generating unit a command signal for generating a driving signal having a differential efficiency and a threshold value after the correction.04-16-2009
20110141100Thin film transistor and method of forming the same - A thin film transistor (TFT) may include a channel layer, a source electrode, a drain electrode, a protective layer, a gate electrode, and/or a gate insulating layer. The channel layer may include an oxide semiconductor material. The source electrode and the drain electrode may face each other on the channel layer. The protective layer may be under the source electrode and the drain electrode and/or may cover the channel layer. The gate electrode may be configured to apply an electric field to the channel layer. The gate insulating layer may be interposed between the gate electrode and the channel layer.06-16-2011
20090096781Plasma Display Device And Driving Method Thereof - A driving method of a plasma display device, the plasma display device having a plurality of first and second electrodes disposed adjacent to each other and a plurality of third electrodes disposed so as to intersect with the first and second electrodes, the driving method includes providing a reset period, an address period and a sustain discharge period for driving of the plasma display device, applying to the second electrode in the reset period a voltage with a waveform in which an applied voltage value increases with time, shortening a sustain time of achieved potential of the voltage with the waveform when a first display ratio of an input video signal is low as compared with a second display ratio which is higher than the first display ratio.04-16-2009
20090096780Interface Apparatus and Method Thereof - Provided is an interface apparatus. The interface apparatus comprises a signal synthesizer, a connector, and a signal separator. The signal synthesizer outputs at least one of display signals, display control signals, and chip control signals. The connector includes a transmission line connected with the signal synthesizer and through which the display signals and the chip control signals are transmitted in common, and a transmission line through which the display control signals are transmitted. The signal separator separates the display signals and chip control signals from the signals transmitted through the transmission line through which the display signals and the chip control signals are transmitted in common.04-16-2009
20090102831Driving circuit for display apparatus - A driving circuit for a display apparatus, includes a first selecting circuit configured a to select a binary voltage from a plurality of voltages based on a image data to output to a first node as a first selection voltage and to a second node as a second selection voltage; a first buffer configured to receive the first selection voltage; and a second buffer configured to receive the second selection voltage. A voltage dividing circuit is configured to generate a plurality of interpolation voltages between an output voltage of the first buffer and an output voltage of the second buffer. A second selecting circuit is configured to select one voltage from the first selection voltage and the plurality of interpolation voltages based on a part of the image data, to output to a third node as a third selection voltage. A first control circuit is configured to control the first buffer or the second buffer based on the part of the image data.04-23-2009
20090231324Liquid crystal display device - A liquid crystal display device used in miniaturized portable equipment includes a distribution circuit corresponding to a circuit scale of a drive circuit to cope with a high-definition multi-grayscale display. A liquid crystal display device which is constituted of a liquid crystal display element and a liquid crystal drive circuit includes a distribution circuit which distributes an output of a drive circuit to a plurality of video signal lines within one scanning period, the distribution circuit is divided into a plurality of distribution circuits, and control signals are supplied to each distribution circuit from both end portions of the each distribution circuit. Further, when an output part of the drive circuit is configured such that a high withstand-voltage output amplifier and a low withstand-voltage output amplifier are alternately connected with the distribution circuit, a master function and a slave function are imparted to the drive circuit so as to allow the drive circuit to cope with odd-numbered outputs.09-17-2009
20090309866CONTROLLING A MOBILE TELEPHONE RESPONSIVE TO AN ESD EVENT - Whenever an electrostatic discharge (ESD) event has occurred which may have corrupted the display registers, displays in a mobile telephone are reinitialized. A General Purpose Input/Output (GPIO) device is employed to trigger an interrupt whenever an antenna/detector, connected between the GPIO and a test point proximate the displays, detects the occurrence of an ESD event. The displays may then be checked for corruption and reinitialization of the displays may be performed as necessary.12-17-2009
20090160844DATA DRIVING CIRCUIT, DISPLAY APPARATUS COMPRISING THE SAME AND CONTROL METHOD THEREOF - A data driving circuit receiving an image signal and applying a data signal based on the image signal to a display panel, the data driving circuit includes a signal generator that generates a horizontal scanning identical signal based on the image signal and a load signal instructing an output of the data signal to the display panel; a signal amplifier that alternately converts a polarity of an offset compensation value from positive to negative and amplifies the image signal based on the offset compensation value; and a controller that counts pulses of the horizontal scanning identical signal and controls the signal amplifier to retain the converted polarity of the offset compensation value until a counted reaches a predetermined reference value.06-25-2009
20090213108Surface Discharge Type Plasma Display Panel Divided Into A Plurality of Sub-Screens - A surface-discharge type PDP includes plural electrode pairs formed of first and second sustain electrodes arranged on a first substrate. Each pair extends along a line direction, and the first and second sustain electrodes are in parallel and adjacent to each other. Plural address electrodes arranged on a second substrate opposing the first substrate via a discharge space, each extending along a row direction, a matrix corresponding to a screen to be displayed is formed with the main electrodes and address electrodes, the address electrodes are orthogonal to the main electrodes, each of the address electrode is divided into, for example two partial address electrodes separated from each other by a border line located between adjacent main electrode pairs, whereby the screen is divided into two partial screens, wherein a first clearance between the partial address electrodes is substantially larger than a second clearance between main electrode pair adjacent across the border line. The arrangement order of the first and second sustain electrodes may preferably be such that first sustain electrodes of the first and second partial screens face each other via the border line, and the partial address electrodes may not cross over the first sustain electrodes nearest to the border line.08-27-2009
20110141099DRIVING METHOD FOR PIXELS OF BISTABLE DISPLAY - A driving method for pixels of bistable display is adapted into a bistable display having a plurality of pixels. The driving method comprises: increasing predetermined driving forces of the pixels to increased driving forces in a predetermined period; employing the increased driving forces to drive the pixels in the predetermined period respectively; and employing the predetermined driving forces configured for driving the pixels to drive the pixels out of the predetermined period respectively.06-16-2011
20090002360Liquid crystal display device and method for driving same - An exemplary LCD includes a frame memory configured for receiving a plurality of first gradations of current frame and outputting a plurality of second gradations of preceding frame pre-stored therein; a comparator configured for receiving, comparing the first gradations with the second gradation to generate a comparison result; a luminance detector configured for detecting a luminance degree of each of pixel according to the gradations of current frame; a calculator configured for calculating a complication degree of a picture to be displayed in current frame; and a gradation processor configured for receiving the first gradations of current frame to be displayed on the LCD panel, generating a plurality of pairs of compensating gradations according to the gradation of each pixel, and selecting one pair of the compensating gradations to be outputted to the LCD panel according to a received comparison result, a received luminance degree, and a received complication degree.01-01-2009
20090207165Spatial light modulator including drive lines - A spatial light modulator includes a pixel array including a plurality of pixel elements arranged in a form of a matrix; a word line extending along and connected to a row of the pixel elements pixel elements; and a plate line for transmitting additional modulating signals to said pixel array extended along each row of the pixel array and connected to the pixel elements in a first row and a second row constituting two different rows.08-20-2009
20090102830DISPLAY APPARATUS AND METHOD FOR COMPENSATING BEAM TILT - Disclosed is a display apparatus compensating the tilt discrepancy of a light beam irradiated on a one-dimensional diffraction type optical modulator. The display apparatus corresponds to a 1-panel display apparatus that includes: a plurality of monochromatic light sources irradiating illumination light beams having different wavelengths; an optical modulator sequentially receiving the illumination light beams and modulating the illumination light beams according to a control signal; a scanner sequentially scanning the modulated illumination light beams on a display screen; and a control unit receiving an image signal and outputting a control signal controlling the monochromatic light source, the optical modulator and the scanner in accordance with the image signal. The control unit controls a pixel drive signal of the optical modulator such that a tilt of a monochromatic scanned image, in which the modulated illumination light beams is scanned on the display screen, is compensated.04-23-2009
20090102829PIXEL CIRCUIT AND IMAGE DISPLAY APPARATUS HAVING THE PIXEL CIRCUIT - A pixel circuit and an image display apparatus are provided making use of a hysteresis characteristics of a transistor for driving a display element. The pixel circuit comprises: a transistor providing both different first and second relations between a gate voltage value and a drain current value at a transition from off state to an on state, and from the on state transits to the off state respectively; a display element supplied as a drive current with a current controlled by the transistor; and a capacitor element connected to a gate electrode of the transistor. One of the first and second relations is utilized during a first period for setting the drive current to be supplied to the display element. And, the other of the first and second relations is utilized during a second period for supplying the drive current to the display element to effect light emission.04-23-2009
20090244057PIXEL CIRCUIT AND DISPLAY APPARATUS - A pixel circuit including a light emitting element, a driving transistor, with a drain terminal thereof connected to a cathode terminal of the light emitting element, that applies a drive current to the light emitting element, a capacitor element connected to a gate terminal of the driving transistor, and a switching transistor connected between a first terminal of the capacitor element on the side of the gate terminal and a data line through which a desired program signal flows, in which the driving transistor is an inorganic oxide thin film transistor whose OFF-operation threshold voltage is a negative voltage, and a source terminal of the driving transistor and a second terminal of the capacitor element are connected to a common power source that supplies a predetermined common voltage.10-01-2009
20090244056Output amplifier circuit and data driver of display device using the same - Disclosed is an output amplifier circuit including a differential stage, a first output stage that receives outputs of the differential stage, and a second output stage having an output thereof electrically connected to a load. The differential stage receives an input signal at a non-inverting input thereof. In the first connection configuration, an output of the first output stage is electrically disconnected from the output of the second output stage, outputs of the differential stage are electrically disconnected from inputs of the second output stage, and a second input of the differential stage is electrically connected to the output of the first output stage. In the second connection configuration, the output of the first output stage is electrically connected to the output of the second output stage, and the outputs of the differential stage is electrically connected to the inputs of the second output stage.10-01-2009
20090244055Image displaying apparatus and image displaying method - An image displaying apparatus is configured to display a desired image on an image displaying section employed in the image displaying apparatus by making use of a signal-line driving circuit and a scan-line driving circuit to drive pixel circuits. Each of the pixel circuits employs at least a light emitting device, a signal-level holding capacitor, a driving transistor for driving the light emitting device and a signal writing transistor. The signal-line driving circuit and the scan-line driving circuit drive each of the pixel circuits so as to put the light emitting device employed in the pixel circuit in a no-light emission state of emitting no light in a no-light emission period and a light emission state of emitting light in a light emission period repeatedly.10-01-2009
20090315880METHOD FOR DRIVING A LIQUID CRYSTAL DISPLAY DEVICE, AN ARRAY SUBSTRATE, METHOD OF MANUFACTURING THE ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - In a method for driving a liquid crystal display (LCD) device, an array substrate, a method of manufacturing the array substrate and the LCD device having the same, data signals are boosted by a first and a second boost signals up to a first and a second pixel voltages, respectively. The first and the second pixel voltages are applied to a transmissive electrode and a reflective electrode, respectively. As a result, the retardation of light passing through a liquid crystal layer on the transmissive electrode and the retardation of light of the liquid crystal layer on the reflective electrode may be controlled to be substantially equal to each other. Thus, the LCD device is driven in a transflective mode with a mono-cell gap so that the yield of the LCD device may be increased.12-24-2009
20090315878PHASE COMPARATOR, AND CLOCK GENERATION CIRCUIT, IMAGE DISPLAY DEVICE, AND REPRODUCTION SIGNAL PROCESSOR EACH USING THE SAME - In a synchronous reproduction signal processor, when a phase error between reproduction data and a clock is repeatedly detected such that a clock synchronized with a reproduction signal is generated based on the phase error, a filtering process unit (12-24-2009
20090251456ELECTROPHORESIS DISPLAY DEVICE AND ELECTRONIC EQUIPMENTS USING THE SAME - An object of the present invention is to provide an active matrix type electrophoresis display device whose number of the times of writings is further smaller. In an electrophoresis display device which performs the display of picture using a n-bit digital picture signal, the respective pixels are divided into a plurality of sub-pixels, the respective sub-pixels have a 1-bit memory circuit. Since an electrophoresis element is stable in once written state, upon the display of static picture, the picture is retained by the digital picture signal retained in a memory circuit, therefore, a periodic refresh operation which is conventionally considered to be required are capable of being omitted.10-08-2009
20090256834LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING THE SAME - A light emitting device includes a plurality of scan lines for transferring light emitting scan signals including a combination of an emission-on voltage and an emission-off voltage. A plurality of data lines extend in a direction crossing the plurality of scan lines and are configured to transfer light emitting data voltages. A plurality of light emitting pixels are respectively formed in regions defined by the plurality of scan lines and the plurality of data lines and are configured to emit electrons by a difference between the emission-on voltage and the light emitting data voltage. During a period in which the light emitting scan signals have the emission-on voltage, at least one of the emission-on voltage and the light emitting data voltages alternately has a first voltage and a second voltage lower than the first voltage.10-15-2009
20100149171SOURCE DRIVER FOR DRIVING A PANEL AND RELATED METHOD FOR CONTROLLING A DISPLAY - A source driver for driving a panel includes an output buffer. The output buffer includes a first amplifier, a second amplifier, and an internal switching unit. The first amplifier includes a first stage and a second stage. The second amplifier includes a first stage and a second stage. The internal switching unit selectively connects the first stages and the second stages of the first amplifier and the second amplifier. At a charge sharing stage, the internal switching unit performs charge sharing between the second stage of the first amplifier and the second stage of the second amplifier.06-17-2010
20100013823DISPLAY APPARATUS AND METHOD THEREOF - In the display apparatus, a gate driver receives at least one clock to sequentially provide gate lines in a display panel with a gate signal in a high state corresponding to a high interval of the clock. The gate driver includes a plurality of amorphous silicon transistors and is formed in the display panel through a thin film process. The clock has a delay time of about 2.0 μs or less. If the delay time of the clock is reduced less than about 2.0 μs, a threshold voltage margin of the transistors increases, so that the gate driver may not malfunction in a high temperature aging process. As a result, the gate driver may be prevented from malfunctioning in the high temperature aging process.01-21-2010
20090315879Plasma display device - A plasma display device includes a plasma display panel (PDP), the PDP including sustain electrodes, scan electrodes, and address electrodes disposed in correspondence to a plurality of discharge cells to selectively drive at least one discharge cell of the plurality of discharge cells, a chassis base supporting the PDP, at least one printed circuit board on the chassis base, the chassis base being between the printed circuit board and the PDP, a flexible printed circuit (FPC) connecting the scan electrodes to the printed circuit board, the FPC including a switch configured to control the scan electrodes, a conductor on the FPC, the conductor overlapping the switch, and a stiffener on the conductor to dissipate heat generated from the switch.12-24-2009
20100149173LIQUID CRYSTAL DISPLAY DRIVER DEVICE AND LIQUID CRYSTAL DISPLAY SYSTEM - There is provided a display driver device (liquid crystal driver) causing no degradation in display image quality even when a plurality of signal lines (source lines) of a display panel are divided into a plurality of groups as a countermeasure against EMI. With a liquid crystal display driver device (the liquid crystal driver) for generating image signals to be impressed to respective signal lines of a display panel upon receiving display image data, and outputting the image signals in a lump, corresponding to every one line, according to an output timing signal inputted from outside, output amplifiers, in the last stage of the liquid crystal driver, for outputting the image signals, respectively, are divided into a plurality of groups, and the output amplifiers of respective groups are caused to undergo a periodical change in output sequence while the respective image signals are slightly staggered in output timing by the group.06-17-2010
20100149170METHOD FOR DRIVING A DISPLAY AND RELATED DISPLAY APPARATUS - A display includes a panel, a timing controller, and a source driver. A method for driving the display includes the steps of sending a transfer signal asserted for a first period to the source driver initially at a line period; sending a driving control signal asserted for an asserted period to the source driver by the timing controller initially at a line period, utilizing a large driving capability of the source driver to drive the panel during the asserted period within the line period, and utilizing a small driving capability of the source driver to drive the panel beyond the asserted period within the line period.06-17-2010
20090122056DRIVE APPARATUS WITH IMPROVED TESTING PROPERTIES - Embodiments of the present invention relate to a drive electronics for driving a display with a matrix 05-14-2009
20090122054APPARATUS AND METHOD FOR DRIVING LIQUID CRYSTAL DISPLAY DEVICE - An apparatus for driving a liquid crystal display device, and which includes an image analyzer configured to compare a pattern of input image data with a plurality of stored patterns of image data, to determine a stored pattern of image data from the plurality of stored patterns of image data that is most similar to the pattern of the input image data, and to output a pattern analysis signal indicating the determined stored pattern, and a dithering unit connected to the image analyzer and configured to select a dithering pattern based on the output pattern analysis signal, to dither the input image data based on the selected dithering pattern, and to output a dither-processed image data.05-14-2009
20100156884LIQUID CRYSTAL DISPLAY - A liquid crystal display converts white luminance Y of data displaying a white background into a value satisfying a certain equation upon detecting a brightness contrast image including a pure color image with the white background.06-24-2010
20100177091DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A display apparatus includes a plurality of light sources which emit light beams, a plurality of optical waveguides which guide the light beams, a plurality of scanning lines which are arranged so as to intersect with the optical waveguides, a plurality of light output elements which, at intersections of the optical waveguides and the scanning lines, output the light beams guided in the optical waveguides by electric signals from the scanning lines, and a scanning line driving unit which drives the scanning lines in a direction opposite to a direction in which the light beams are guided.07-15-2010
20100177090Display device - A display device includes a plurality of scan lines that extend in a first direction and transfer a plurality of scan signals, a plurality of data lines that extend in a second direction intersecting the first direction and transfer data signals corresponding to input video signals, a plurality of sub-pixels formed in an area defined by the plurality of scan lines and the plurality of data lines, a plurality of pixels defined by the plurality of sub-pixels, and a barrier structure corresponding to the plurality of pixels, the barrier structure including a transmitting area and a non-transmitting area, wherein at least two adjacent sub-pixels arranged in the second direction form one pixel.07-15-2010
20100156885LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A liquid crystal display and a method of driving the same are disclosed. The liquid crystal display includes a timing controller, N source drive integrated circuits (ICs), where N is an integer equal to or greater than 2, N pairs of data bus lines, each of which connects the timing controller to each of the N source drive ICs in a point-to-point manner, a lock check line that connects a first source drive IC of the N source drive ICs to the timing controller and cascade-connects the N source drive ICs to one another, and a feedback lock check line connecting a last source drive IC of the N source drive ICs to the timing controller. A swing width of an output voltage of the timing controller increases in proportion to a distance between the timing controller and the N source drive ICs.06-24-2010
20100156886REDUCING PSEUDO CONTOURS IN DISPLAY DEVICE - A display device for performing display by digitally driving pixels, arranged in a matrix arrangement, according to image data of an image signal. A data driver allocates pixel data for a single pixel to corresponding sub-frames as a plurality of bit data, and digitally drives each pixel by providing bit data to each pixel, the bit data having one frame formed from a specified number of unit frames. A timing control circuit divides the image signal into blocks for analysis, analyzes likelihood of occurrence of pseudo contours for each block, and analyzes likelihood of occurrence of pseudo contours for display of a single screen based on analysis results in each block. The timing control circuit then changes display based on the image signal based on analysis results by the timing control circuit.06-24-2010
20110175898DATA INSERTION CIRCUIT OF DISPLAY APPARATUS - A data insertion circuit of a display apparatus includes a signal source, a switch unit and a control unit. The signal source is for providing a video driving signal. The switch unit has an output node coupled to a channel of the display apparatus, a first input node coupled to the signal source, and a second input node coupled to a control voltage for data insertion, and is for selectively outputting the video driving signal or the control voltage to the output node. The control unit is coupled to the switch unit, wherein when the display apparatus is in a normal mode, the control unit controls the switch unit to transmit the video driving signal to the display apparatus; and when the display apparatus is in a data insertion mode, the control unit controls the switch unit to transmit the control voltage to the display apparatus.07-21-2011
20090079726PLASMA DISPLAY DRIVING METHOD AND APPARATUS - A plasma display driving method and apparatus that can reduce the occurrences of dropout, on a displayed image, caused by misaddress when the environment temperature becomes low. In the inventive plasma display, the environment temperature is determined, and during a charge adjustment interval, the ultimate voltage, which the drive waveform of a scan electrode voltage reaches at the end after continuously varying in the negative direction, is changed in accordance with the determined environment temperature in such a manner that if the environment temperature becomes lower, the ultimate voltage is directed in the positive direction.03-26-2009
20090079727Display device and display driving method - Disclosed herein is a display device including a display panel section; a panel temperature detecting section; a voltage change amount determining section; a signal amplitude reference voltage varying section; and a signal value reference voltage generating section.03-26-2009
20100188395ELECTROPHORETIC DISPLAY DEVICE DRIVING METHOD, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - There is provided a method of driving an electrophoretic display device including an electrophoretic element which contains electrophoretic particles and is interposed between first and second substrates, a first electrode which is formed on the first substrate close to the electrophoretic element, and a second electrode which is formed on the second substrate close to the electrophoretic element. The method includes: detecting ambient temperature every predetermined period, and agitating the electrophoretic particles by applying a voltage to the electrophoretic element on the basis of at least one of a variation of the ambient temperature from a predetermined reference temperature and a maintenance period of the ambient temperature equal to or higher than a predetermined value.07-29-2010
20100001988LIQUID CRYSTAL DISPLAY WITH IMPROVED APERTURE RATIO AND RESOLUTION - A liquid crystal display device having a high aperture ratio and a high resolution is provided. The liquid crystal display device includes a first display panel having dot pixels each of which is divided into sub pixels arranged in a 2×2 matrix, a second display panel having cutout patterns each of which corresponds to the centers of the each sub pixel, and a liquid crystal layer interposed between the first display panel and the second display panel.01-07-2010
20100001987SOURCE DRIVING CIRCUIT, DISPLAYER AND CONTROL METHOD THEREOF - A source driving circuit is suitable for a display panel. The source driving circuit of the present invention has a plurality of latches and a plurality of output buffers. Each of the latches is used for respectively receiving a data signal. In addition, all of the latches output the corresponding data signals at different time intervals according to a data output signal. After all of the latches have output the data signals to the corresponding output buffers, all output buffers transmit the data signals to the display panel synchronously.01-07-2010
20100001986PLASMA DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A method for driving a plasma display device which includes a plasma display panel provided with a plurality of discharge cells having a display electrode pair including a scan electrode and a sustain electrode, a temperature detection circuit for detecting an ambient temperature of the panel and outputting an detected temperature, and an APL detection circuit for detecting an APL of an image signal. The method provides an unusual-charge erasing period for applying a rectangular waveform voltage to the scan electrode between the initializing period and the address period in at least one subfield among the plurality of subfields; and controls a time period during which the rectangular waveform voltage is applied, based on the detected temperature detected by the temperature detection circuit and the APL detected by the APL detection circuit.01-07-2010
20100013824ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting display capable of preventing erroneous emission from being generated at the initial stage of driving the organic light emitting display and a method of driving the same. The organic light emitting display includes a display unit including data lines, scan lines, emission control lines, and pixels coupled to the data lines, the scan lines, and the emission control lines. A data driver is coupled to the data lines for transmitting data signals. A scan driver is coupled to the scan lines for transmitting scan signals. An emission control driver is coupled to the emission control lines for transmitting emission control signals. A controller is provided for transmitting a plurality of control signals for controlling the data driver, the scan driver, and the emission control driver, and outputting a first control signal for preventing currents from flowing to organic light emitting diodes of the pixels.01-21-2010
20100177089GATE DRIVER AND DISPLAY DRIVER USING THEREOF - A gate driver for driving k pixel rows of a liquid crystal display panel, wherein k is a natural number greater than 1. The gate driver includes a shift register circuit and an output logic circuit. The shift register circuit outputs an i07-15-2010
20100225638SYSTEM AND METHOD FOR PROVIDING BIAS VOLTAGES TO PAD LOGIC OF AN LCD CONTROLLER - An LCD controller includes at least one I/O pad for providing an LCD drive voltage in an LCD mode of operation. I/O pad logic drives the at least one I/O pad responsive to a provided bias voltage. Voltage selection logic selects a higher voltage between an LCD drive voltage and an externally provided system voltage as a first voltage. Bias voltage logic selects one of the system voltage or the first voltage as the bias voltage for the I/O pad logic. The system voltage is selected as the bias voltage for the I/O pad logic in a non-LCD mode of operation for the I/O pad and the first voltage is selected for the bias voltage for the I/O pad logic in the LCD mode of operation for the I/O pad.09-09-2010
20100225641FERROELECTRIC LIQUID CRYSTAL PANEL DRIVING METHOD AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention relates to a method for driving a ferroelectric liquid crystal panel. A liquid crystal display device according to the present invention includes a ferroelectric liquid crystal panel having a ferroelectric liquid crystal provided between a pair of substrates, a plurality of scanning electrodes and a plurality of drive electrodes, and a plurality of pixels constituted by intersections between the plurality of scanning electrodes and the plurality of signal electrodes, and a controller for applying driving pulses to the plurality of scanning electrodes and the plurality of signal electrodes. The controller applies to the plurality of pixels first reset pulses, first selection pulses for switching the plurality of pixels, second reset pulses having a voltage or pulse width different from that of the first reset pulses, and second selection pulses having a voltage or pulse width different from that of the first selection pulses and for switching the plurality of pixels. According to the present invention, a clear image can be obtained regardless of threshold unevenness.09-09-2010
20100225639ARRAY OF LED ARRAY LUMINAIRES - The present invention provides LED array systems with a control system for arrays of LED array luminaires that allows for display of images or light patterns across and array of luminiairs over a low bandwidth control protocol.09-09-2010
20100238158ELECTROPHORETIC DISPLAY DEVICE DRIVING METHOD, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - There is provided a method of driving an electrophoretic display device including a display unit in which an electrophoretic element containing electrophoretic particles is interposed between first and second substrates and in which a plurality of pixels are arranged. The method includes lowering a contrast of the display unit, when a predetermined non-operation period elapses after the display unit displays an image.09-23-2010
20100253674METHOD FOR DRIVING DISPLAY ELEMENT AND METHOD FOR DRIVING DISPLAY DEVICE - Disclosed herein is a method for driving a display element including a current-driven light emitting part and a drive circuit, the drive circuit including a write transistor, a drive transistor, and a capacitive part, the method including the steps of: executing threshold voltage cancel processing of changing potential of the second node toward potential obtained by subtracting threshold voltage of the drive transistor from potential of the first node in a state in which the potential of the first node is kept; and executing write processing of applying a video signal from the data line to the first node via the write transistor turned to an on-state by a scan signal from the scan line.10-07-2010
20100225640Switching Operating Modes of Liquid Crystal Displays - In an embodiment, a computer comprises a liquid crystal display (LCD) operable in a transmissive mode, a reflective mode, and a transflective mode; a display driver coupled to the LCD; one or more processors coupled to the display driver; mode switching logic coupled to the one or more processors and/or to the display driver; one or more electronic input sources coupled to the mode switching logic and providing input signals to the mode switching logic, wherein the input signals represent states of ambient conditions, other computer elements, user input, or user applications of the computer; and the mode switching logic is configured to cause the one or more processors to perform receiving one or more of the input signals; based on the input signals, selecting a particular operational mode for the LCD from among the transmissive mode, the reflective mode, and the transflective mode; causing the LCD to operate in the particular operational mode.09-09-2010
20100245341DISPLAY DEVICE HAVING NON-VOLATILE DISPLAY UNIT DRIVEN WITH POWER SUPPLIED FROM BATTERY - A display device includes: a nonvolatile display unit; a battery holding unit; an input unit; a determining unit; and a rewrite control unit. The nonvolatile display unit is configured so as to be capable of displaying an image and maintaining the displayed image even when the nonvolatile display unit is supplied with no electric power. The battery holding unit is configured so as to be holding a battery, the battery held in the battery holding unit being capable of supplying electric power to the nonvolatile display unit. The input unit is configured so as to be capable of receiving an image rewrite instruction to perform an image rewriting operation to change an image currently displayed in the nonvolatile display unit. The determining unit is configured so as to be capable of determining an amount of power that remains in the battery held in the battery holding unit. In response to the image rewrite instruction, the rewrite control unit controls the nonvolatile display unit to perform an image rewriting operation to change the currently-displayed image if the amount of power that remains in the battery is greater than or equal to a threshold value and controls the nonvolatile display unit not to perform the image rewriting operation if the amount of power that remains in the battery is smaller than the threshold value.09-30-2010
20100128024METHOD OF DRIVING A LIGHT SOURCE, DISPLAY APPARATUS FOR PERFORMING THE METHOD AND METHOD OF DRIVING THE DISPLAY APPARATUS - In method of individually driving a plurality of light-emitting blocks of a light source module providing light to a display panel including a unit pixel, luminance of a first light-emitting block corresponding to a first image block that includes an out of gamut (OOG) data among a plurality of image blocks corresponding to the light-emitting blocks is boosted. A second light-emitting block corresponding to a second image block that does not include the OOG data is driven so that the second light-emitting block has luminance corresponding to a representative gray-scale of the second image block.05-27-2010
20110057927LUMINANCE ENHANCEMENT STRUCTURE FOR REFLECTIVE DISPLAY DEVICES - The present invention is directed to luminance enhancement structure for reflective display devices. The luminance enhancement structure comprises grooves and columns, wherein said grooves have a triangular cross-section and a top angle, and said grooves and columns are in alternating order and in a continuous form in one direction. The luminance enhancement structure not only can reduce the total internal reflection, but also especially can enhance the on-axis brightness of a display device.03-10-2011
20100207931Vertically Aligned Nematic Mode Liquid Crystal Display Having Large Tilt Angles and High Contrast - A reflective liquid crystal on silicon (LCOS) display comprises a transparent substrate, a reflective substrate, and liquid crystal fluid between the substrates. The LCOS display further comprises a matrix of pixels, arranged in a plurality of rows and columns, wherein an intersection of a row and a column defines a position of a pixel in the matrix. The LCOS display has tilt angles sufficient to overcome disclinations due to fringe fields, and, at the same time, achieves high contrast. The surface azimuthal direction of the molecules of the liquid crystal fluid is either substantially parallel or perpendicular to the direction of polarization of incoming incident linearly polarized light. Light leakage is minimal because the effective birefringence as seen by the incoming incident linearly polarized light is substantially zero and does not depend on the pretilt of the molecules of the liquid crystal fluid. Between the transparent substrate and the reflective substrate, the twist of the molecules of the liquid crystal fluid may vary from about 0 degrees to about 90 degrees when in the “OFF” state.08-19-2010
20090115773COMPENSATION DEVICE, METHOD, AND ELECTRONIC SYSTEM UTILIZING THE SAME - A compensation device receiving an input signal, generating a compensated signal to a display panel, and including a memory unit and a control unit. The memory unit stores a first overdrive look-up table and a second overdrive look-up table. The control unit is connected to the memory unit and selects a compensation data from the first or the second overdrive look-up table according to a frame rate of the input signal. The control unit compensates the input signal by the compensation data to generate the compensated signal.05-07-2009
20100253675LIQUID CRYSTAL DISPLAY DEVICE AND CONTROL METHOD THEREOF - A liquid crystal display device (10-07-2010
20100253673PLASMA DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - Disclosed here is a method for driving a plasma display panel and a plasma display device capable of providing image display with a high contrast ratio and excellent quality by stabilizing an address discharge. According to the method, which is the method for driving a plasma display panel in which discharge cells are formed at intersections of scan electrodes, sustain electrodes and data electrodes, the field—that contains at least one sub-field having the all-cell initializing operation—and the field—that is formed of sub-fields having the selective-cell initializing operation only—are set at a ratio of 1:N (where, N takes an integer of 1 or greater). At the same time, at least in one sub-field of the field having the selective-cell initializing operation only, the scan-pulse width employed for the selective-cell initializing field is determined longer than the scan-pulse width employed for the field containing the all-cell initializing operation.10-07-2010
20100134477LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal display device includes a power consumption reduction portion that analyzes a histogram of first image data of an image and generates second image data and a first luminance control signal, wherein, when the image includes an irrelevance region which is substantially irrelevant to degradation of display quality, the power consumption reduction portion analyzes a histogram of first image data of other region of the image except for an excluded region, and wherein the excluded region includes at least the irrelevance region; a timing controller that is supplied with the second image data and the first luminance control signal and generates gate control signals, data control signals and a second luminance control signal; a gate driving portion that generates gate voltages using the gate control signals; a data driving portion that generates data voltages using the second image data and the data control signals; a liquid crystal panel that displays the image using the gate voltages and the data voltages; a backlight control portion that generates a backlight control signal using the second luminance control signal; and a backlight unit that supplies light according to the backlight control signal.06-03-2010
20100128025METHOD OF MANUFACTURING AND DRIVING OCB LIQUID CRYSTAL PANEL - A method of manufacturing and driving an optically compensated birefringence (OCB) mode liquid crystal (LC) panel is provided. In the method, the OCB LC panel is applied which is characterized that a closed structure region with HAN, VA or Bend property is around a display region of the OCB LC panel. Thereafter, the OCB LC panel is driven by a mode of multistage voltage variation. The mode of multistage voltage variation includes applying a high voltage to LC molecules in the OCB LC panel for transferring them to a bend or a VA state, decaying the high voltage to a low voltage above a bend state holding voltage of the OCB LC panel, and turning off the voltage to zero so as to maintain the configuration of LC molecules in the OCB LC panel in a π-twist state.05-27-2010
20110210958ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting diode (OLED) display device constructed as an embodiment includes a pixel including an OLED and a driving transistor; a compensator sinking a predetermined current into a path by which a driving electric current flows in the OLED through a data line electrically connected to the pixel, determining a threshold voltage and a kickback voltage of the driving transistor by receiving a predetermined voltage applied to a gate electrode of the driving transistor on a basis of the predetermined electric current, and determining an amount of compensation based on the threshold voltage and the kickback voltage determined; a timing controller adjusting the input image data signal by the amount of compensation; and a data driver generating a data voltage based on the adjusted image data signal, and supplying the data voltage to the pixel. A driving method of the OLED display device is disclosed.09-01-2011
20100220095SOURCE DRIVER WITH LOW POWER CONSUMPTION AND DRIVING METHOD THEREOF - A source driver adapted to drive a display panel and a driving method thereof are provided herein. The source driver includes an output buffer and a first pre-charge circuit. The output buffer has a first input terminal receiving a pixel signal and has both of a second input terminal and an output terminal coupled to the display panel. The first pre-charge circuit charges the output terminal of the output buffer to a preset voltage associated with the pixel signal for a pre-charge period. The output buffer is inactivated during the pre-charge period and is activated for a preset period after the pre-charge period. Therefore, power consumption of the source driver can be reduced.09-02-2010
20100220096REFLECTIVE AREA BLOCKING FEATURE FOR DISPLAYS - This invention relates to a display device, a method, a computer program and a system including a display device, wherein said display device includes at least one light transmissive area configured to be coupled to a light source in order to be provided with backlight, at least one light reflective area, at least one light transmission control element associated with said at least one light reflective area, wherein said display device is configured to be switched into a reflective blocking state when said at least one light transmissive area is provided with backlight, and wherein in said reflective blocking state said at least one light transmission control element causes light-blocking.09-02-2010
20090040214SIGNAL PROCESSOR, LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF DRIVING LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a signal processor using an (n−1)-th conversion signal corresponding to an (n−1)-th raw image signal of an (n−1)-th frame to correct an n-th raw image signal of an n-th frame, and outputting an n-th corrected image signal, the (n−1)-th raw image signal. The n-th raw image signal, and the n-th corrected image signal each have ‘a’ bits and the (n−1)-th conversion signal has ‘b’ bits. The ‘b’ bits is smaller than the ‘a’ bits (a>b). A liquid crystal panel displays an image corresponding to the n-th corrected image signal.02-12-2009
20090040212DRIVER AND DRIVER CIRCUIT FOR PIXEL CIRCUIT - The driver includes a digital-to-analog converter receiving a pixel value and outputting one of gamma voltages corresponding to the pixel value, and an output stage providing a driving voltage and a driving current corresponding to the gamma voltage outputted from the digital-to-analog converter, in which the driving voltage is provided during a first part of the programming period and the driving current is provided during a second part of the programming period.02-12-2009
20090322735ELECTROPHORETIC DISPLAY DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC APPARATUS - There is provided a method of driving an electrophoretic display device including a first substrate, a second substrate opposed to the first substrate, a plurality of microcapsules including electrophoretic particles, the plurality of microcapsules being arranged between the first substrate and the second substrate, a plurality of first electrodes formed on the plurality of microcapsules side of the first substrate, the plurality of first electrodes being arranged at a pitch equal to or smaller than an average diameter of the plurality of microcapsules in at least one direction, and a second electrode formed on the plurality of microcapsules side of the second substrate, the second electrode being opposed to the plurality of first electrodes. One or a plurality of the first electrodes are set as a driving unit. During removing a displayed image, the second electrode is in an electrically isolated condition. And electric potentials are applied to the plurality of the first electrodes such that the driving units adjacently located in at least one direction have different electric potentials.12-31-2009
20090322732METHOD FOR DRIVING PLASMA DISPLAY PANEL AND PLASMA DISPLAY DEVICE - The method for driving a plasma display panel effects control of the subfields as follows. The all-cell initializing operation on the discharge cell is carried out in the initializing period of at least one sub-filed; the rest of the subfields other than the aforementioned subfield selectively carry out an addressing operation in each discharge cell. Gradation display is attained by combination of a subfield having an address discharge in the address period and a sub-filed with no address discharge in the address period. In a discharge cell where an address discharge is generated in the address period of a subfield that follows the subfield having the all-cell initializing operation in the initializing period, the subfield having the all-cell initializing operation has an address period for generating an address discharge.12-31-2009
20090115772Liquid Crystal Display Device and Driving Method Thereof, Television Receiver, Liquid Crystal Display Program, Computer-Readable Storage Medium Storing the Liquid Crystal Display Program, and Drive Circuit - In one embodiment of the present invention, a driving method of a liquid crystal display device is disclosed. According to one embodiment of the present invention a driving method of an active matrix display device is disclosed including: a plurality of source lines; a plurality of gate lines that intersect the source lines; and a plurality of pixel formation sections being disposed in a matrix manner at the respective intersections of the source lines and the gate lines, each of the pixel formation sections receiving as a pixel value a voltage applied to the source line that passes through the corresponding intersection when the gate line that passes through the corresponding intersection is selected, wherein non-image signals are applied to the source lines in each horizontal scanning period, and the gate lines are selected in an effective scanning period, and thereafter the gate lines are selected, in sync with a timing of application of the non-image signals to the source lines, before the subsequent effective scanning period comes after a point in time when the gate lines have been brought into non-selected state.05-07-2009
20090115771Liquid Crystal Display Device and Method for Driving Same - A data signal line drive circuit is provided with first sampling portions, and second sampling portions operated at a lower speed. By the action of selection circuits, the first sampling portions are operated during a normal display mode, and the second sampling portions are operated during a partial display mode. To ensure a correct sampling operation, one line time and a sampling interval are rendered longer during a display period of the partial display mode than during the normal display mode. During the normal display mode, both the first sampling portions and the second sampling portions may be operated. Thus, power consumption of a liquid crystal display device during the partial display is reduced.05-07-2009
20090141017Image display device and driving method for same - An image display with high brightness where a long time can be secured for light emission of self-luminous elements can be implemented using only line memories.06-04-2009
20110032247DRIVING CIRCUIT AND DISPLAY SYSTEM INCLUDING THE SAME - A driving circuit for a display system is provided. The driving circuit includes two driving units. After receiving N image data, the first driving unit drives the display system based on M image data among the N image data. The second driving unit receives the other (N−M) image data and a set of control signals from the first driving unit. The second driving unit drives the display system based on the (N−M) image data and the set of control signals. The first driving unit adjusts the timing sequence of the set of control signals according to the mode of the display system.02-10-2011
20110032248RETENTION AND OTHER MECHANISMS OR PROCESSES FOR DISPLAY CALIBRATION - A “burn-in” is purposely performed on an LCD panel. The “burn-in” is calculated to compensate for an artifact or malfunction of a display using the LCD panel. The “burn-in” may be calculated, for example, to compensate for brightness levels in a light field emanating from the backlight of a dual modulation display. The burn in performed, for example, during periods of “power-off” of the display (e.g., when the backlight of an LCD is off).02-10-2011
20110032249APPARATUS AND METHOD FOR DIVIDING LIQUID CRYSTAL DISPLAY DEVICE - An apparatus and method for driving a Liquid Crystal Display (LCD) device are disclosed. The apparatus includes a liquid crystal panel in which a plurality of subpixels arranged on each horizontal line are commonly connected to at least one adjacent data line, and on at least one horizontal line basis, a plurality of subpixels are connected to at least one adjacent data line through Thin Film Transistors (TFTs) of the subpixels from a same direction with respect to the at least one adjacent data line, a data driver for driving a plurality of data lines, a gate driver for driving a plurality of gate lines, and a timing controller for arranging externally received image data according to arrangement of subpixel columns commonly connected to each data line, providing the arranged image data to the data driver, and controlling driving timings of the gate driver and the data driver.02-10-2011
20110032246DISPLAY DEVICE USING MEMS AND DRIVING METHOD THEREOF - A display device using a microelectromechanical system (“MEMS”) element includes; a display panel including the MEMS element having at least three states, the at least three states including an on state, a half-on state, and an off state and a backlight unit which provides light to the display panel.02-10-2011
20090109210DRIVING DEVICE, DRIVING METHOD, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC APPARATUS - A device drives an electro-optical device with a pixel area of arrayed pixels. A calculating section that calculates a difference between a gradation of an original image signal for one of the pixels and a gradation of the original image signal for an adjacent pixel that is adjacent to the one of the pixels. A correction-amount determining section determines, on the basis of the difference, a correction amount used for correcting a part of the original image signal that corresponds to the one of the pixels. The correction-amount determining section determines the correction amount to reduce a potential difference between the part of the original image signal and another part of the original image signal that corresponds to the adjacent pixel. A correcting section corrects the one part of the signal on the basis of the correction amount.04-30-2009
20090109209LIQUID CRYSTAL DISPLAY DRIVER AND LIQUID CRYSTAL DISPLAY DEVICE EQUIPPED WITH THE SAME - Image data is displayed on a screen of a liquid crystal panel on the basis of an interlaced image data, by a liquid crystal display driver. On the screen, identical images for two successive lines are displayed. The crystal display driver is provided with source line driving circuits for driving source lines of the liquid crystal panel. Each of the source line driving circuits includes an image data holding circuit, a mask data holding circuit to hold mask data containing replacement data for selectively replacing the image data. An image data masking circuit provides the replacement data and the image data read out from the image data holding circuit selectively. By the operation, a driving signal is provided to corresponding one of the source lines.04-30-2009
20080284776Active matrix type display device and driving method thereof - An active matrix type display device in which one signal line is provided for every two pixels along a given direction and in which two pixels adjacent in the given direction on respective sides of one signal line share the signal line and are connected to respective different scanning lines, through switching elements. A scanning line driving circuit selects the plurality of scanning lines in turn, and a signal line driving circuit outputs signals according to information to be displayed to the plurality of signal lines. The scanning line driving circuit simultaneously selects two scanning lines corresponding to two pixels connected to different signal lines and adjacently disposed in the given direction and then selects only one scanning line corresponding to a pixel to be selected later out of the two pixels for only a prescribed period.11-20-2008
20090109207Display Control Circuit and Display System - In a display control circuit 04-30-2009
20100134483DRIVING METHOD THEREOF - A driving method for driving an LCD is provided. The LCD panel includes a plurality of scan lines, a plurality of data lines and a plurality of pixel units. The two neighboring pixel units electrically connected to the same scan line are located on two sides of the scan line respectively. The scan lines are sequentially divided into a plurality of groups. The driving method includes the following. The odd-numbered groups of scan lines are sequentially turned on and a signal with first polarity is input to the pixel units controlled by the odd-numbered groups of scan lines through the data lines. The even-numbered groups of scan lines are sequentially turned on and a signal with second polarity is input to the pixel units controlled by the even-numbered groups of scan lines through the data lines. The signal with first polarity and the signal with second polarity have opposite polarities.06-03-2010
20100295843LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHOD THEREOF - A liquid crystal display panel includes a sub-pixel array, a plurality of scan lines, and a plurality of data lines. The sub-pixel array has a plurality of sub-pixels arranged in array. Any two neighboring scan lines of the scan lines and a row of the sub-pixels disposed between the two neighboring scan liens are electrically connected. The sub-pixels arranged in odd rows are electrically connected to the odd-numbered data lines, and the sub-pixels arranged in even rows are electrically connected to the even-numbered data lines. Thus, the liquid crystal display panel is able to reduce mura phenomenon through the above-mentioned layout. A driving method of the above-mentioned liquid crystal display panel is also provided.11-25-2010
20100134481PLASMA DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - In a plasma display device, a first driving method or a second driving method is selected according to a video signal, and the plasma display device is driven according to the selected driving method. The first driving method includes selecting first on cells from among a plurality of discharge cells in an address period of a first subfield of a plurality of subfields, and selecting second on cells in an address period of each of a plurality of second subfields from among the plurality of discharge cells other than discharge cells selected as on cells in preceding subfields. The second driving method includes initializing the plurality of discharge cells as off cells in a reset period of each of the plurality of subfields, and selecting on cells from among the plurality of discharge cells in an address period of each of the plurality of subfields following the corresponding reset period.06-03-2010
20100134479IMAGE DISPLAY DEVICE AND DRIVING METHOD OF THE SAME - An image display device equalizes an amount of shift in V06-03-2010
20100302231SELF-EMISSION TYPE DISPLAY DEVICE WITH HEAT SINK - A system for displaying images is provided. The system includes a self-emission type display device including an organic light-emitting device interposed between a first substrate and a second substrate, a driving chip, and a thermal conductive layer. The first substrate has a pixel region and a peripheral circuit region. The second substrate is disposed above the first substrate and located at the pixel region. The driving chip is disposed on the first substrate and located at the peripheral circuit region, having a temperature sensor to detect the temperature of the organic light-emitting device. The thermal conductive layer is disposed on the bottom surface of the first substrate that corresponds to the organic light-emitting device and the driving chip.12-02-2010
20110122124TRANSISTOR CIRCUIT, DISPLAY PANEL AND ELECTRONIC APPARATUS - A transistor circuit is provided including a driving transistor where conductance between the source and the drain is controlled in response to a supplied voltage, and a compensating transistor where the gate is connected to one of the source and the drain, the compensating transistor being connected so as to supply input signals to the gate of the driving transistor through the source and drain. In a transistor circuit where conductance control in a driving transistor is carried out in response to the voltage of input signals, it is possible to control the conductance by using input signals of a relatively low voltage and a variance in threshold characteristics of driving transistors is compensated. With this transistor circuit, a display panel that can display picture images with reduced uneven brightness is achieved.05-26-2011
20110248985DISPLAY DEVICE, DISPLAY DEVICE DRIVING METHOD AND SOURCE DRIVING CIRCUIT - A display device includes multiple first data lines, multiple second data lines, multiple pixel columns, at least a first charge sharing switch circuit and at least a second charge sharing switch circuit. The second data lines are alternately arranged with the first data lines. Each of the pixel columns includes multiple first pixels and multiple second pixels. The first pixels of each of the pixel columns are coupled to one of the first data lines, and the second pixels of each of the pixel columns are coupled to one of the second data lines. The first charge sharing switch circuit each is electrically coupled to at least a part of the first data lines. The second charge sharing switch circuit each is electrically coupled to at least a part of the second data lines. A display device driving method and a source driving circuit also are provided.10-13-2011
20110109615ENERGY SAVING DRIVING SEQUENCE FOR A DISPLAY - A method of writing a display image to a display having an array of pixels according to a selected driving sequence. One driving sequence includes addressing each color row in a line of the array in a sequence before addressing a second line. Another driving sequence includes addressing a first color row of each line in the array before addressing a second color row of each line in the array.05-12-2011
20110001749LIQUID CRYSTAL DISPLAY - A liquid crystal display is disclosed. The liquid crystal display includes a liquid crystal display panel including data lines and gate lines crossing one another and a pixel array including liquid crystal cells arranged in a matrix format according to a crossing structure of the data lines and the gate lines, a source drive circuit supplying a data voltage to the data lines through a plurality of output channels, a gate drive circuit sequentially supplying a gate pulse to the gate lines. The liquid crystal display panel includes link lines that respectively connect the data lines to the output channels of the source drive circuit. The source drive circuit includes a plurality of output channel resistors connected between the output channels and the link lines. Each of the output channel resistors includes a variable resistance circuit.01-06-2011
20110242088REDUCED-POWER COMMUNICATIONS WITHIN AN ELECTRONIC DISPLAY - A method for reducing power consumption of an electronic display is provided. In one embodiment, the method includes transmitting data packets over a data channel between a timing controller and a column driver of the display. Data transmission modes may be read from headers of the data packets, and image data of the packets may be processed at the column driver based on their respective data transmission modes. Further, the data channel may be intermittently deactivated during transmission of the data packets based on their respective data transmission modes. Additional methods, systems, and devices relating to electronic displays are also disclosed.10-06-2011
20100328302SOLID-STATE IMAGING APPARATUS AND DRIVING METHOD THEREOF - A solid-state imaging apparatus includes the carrier holding portion and the amplifying portion in each pixel, wherein a first voltage supplied to a transfer electrode when the transfer portion for transferring carriers from the carrier holding portion to the amplifying portion is placed in a non-conducting state is opposite in polarity to a voltage supplied to the transfer electrode during the turning on period of the transfer portion, and a second voltage supplied to the control electrode of the carrier holding portion during a holding period in which the carriers are retained in the carrier holding portion is the same in polarity as the first voltage and is larger in absolute value than the first voltage.12-30-2010
20100182307OUTPUT BUFFERING CIRCUIT, AMPLIFIER DEVICE, AND DISPLAY DEVICE WITH REDUCED POWER CONSUMPTION - An output buffering circuit of a driver device for a display includes a first amplifier circuit having a first input stage, coupled between an upper power supply and a lower power supply, and a first output stage, coupled between the upper power supply and a first intermediate power supply that is greater than the lower power supply, and a second amplifier circuit having a second input stage coupled between the upper power supply and the lower power supply, and a second output stage coupled between a second intermediate power supply that is lower than the upper power supply and the lower power supply.07-22-2010
20100182308LIGHT BAR INCLUDING TURNING MICROSTRUCTURES AND CONTOURED BACK REFLECTOR - An illumination apparatus includes a light bar, a plurality of indentations in the light bar on a first side of the light bar, and a contoured reflective surface including a plurality of protruding surface portions, such that the surface portions reflect light transmitted through sloping sidewalls of the indentations. The light bar has a first end for receiving light from a light source. The light bar includes material that supports propagation of the light along the length of the light bar. The turning microstructure is configured to turn at least a substantial portion of the light incident on the first side and to direct the portion of light out the second opposite side of the light bar. The protrusions on the contoured reflective surface and the indentations on the light bar can have complimentary shapes and/or aligned in certain embodiments.07-22-2010
20110025680LIQUID CRYSTAL DISPLAY - A liquid crystal display including a first over-driving (OD) compensation unit compensating R data at a first OD rate; a second OD compensation unit compensating G data at a second OD rate; and a third OD compensation unit compensating B data at a third OD rate, where the second OD rate is higher than the first OD rate and the third OD rate.02-03-2011
20090066687LIQUID CRYSTAL DISPLAY DEVICE - (Object) To provide a liquid crystal display device which simultaneously uses a method for simultaneously driving two screens and a method for driving scan-back light.03-12-2009
20090033652Display device and method of driving the same - A display device includes a display portion formed by disposing pixels in matrix, in which the pixel includes: a light emitting element; a signal level holding capacitor; a writing transistor for receiving a write signal from the vertical drive circuit, and being turned ON/OFF by the write signal, thereby setting a voltage across the terminals of the signal level holding capacitor at a signal level on a signal line; and a driving transistor for driving the light emitting device; and the vertical drive circuit sets a signal level of the write signal for an entire or partial time period of a time period for which the drive for the light emitting device is not influenced in a non-emission time period for which light emission of the light emitting device is stopped at a signal level of the write signal on a shorter time period side in other time periods.02-05-2009
20090033651DISPLAY DEVICE AND DISPLAY METHOD - A display device having frame display duration of X, including: emission elements corresponding to each pixel to be displayed, disposed on L lines, with the scanning direction as lines; a scanning driving unit scanning and driving the emission elements; M data signal driving units driving the emission elements to display an image; and a control unit supplying data signals corresponding to an image to the M data signal driving units, and controlling the scanning driving unit; wherein N is an integer satisfying 0≦N02-05-2009
20100141646ACTIVE MATRIX DISPLAY DEVICE - A display device that includes: first and second drive circuits which are provided in each of the plurality of pixels, and connected to a scanning line and a data line of the display panel, to drive the display element; a scan driver which sequentially scans each scanning line of the display panel; a data driver which supplies the data signal to one of the first and second drive circuits via the data line according to the scanning by the scan driver, and writes the data signal in the one of the first and second drive circuits; and a display controller which drives display elements based on data written in the other one of the drive circuits simultaneously with the data write by the data driver, and executes data display on the display panel.06-10-2010
20100164942CIRCUIT AND METHOD FOR DRIVING LINE REPAIR AMPLIFIER - A circuit and method for driving a line repair amplifier includes a line repair amplifier which can be driven by using a single side input which can use an amplifier which drives a gray high side only and an amplifier which drives a gray low side only separately in a liquid crystal display device which uses a line repair amplifier.07-01-2010
20100164943GATE LINE CIRCUIT APPLIED TO DISPLAY PANEL AND DISPLAY SYSTEM - A display panel includes a gate line circuit. The gate line circuit includes a gate driver, a control circuit and a gate line. The gate driver generates a first driving signal with alternate high and low levels. The first driving signal has a first rising edge and a first falling edge. The control circuit receives the first driving signal and generates a second driving signal. The second driving signal has a second rising edge and a second falling edge. The second rising edge and the second falling edge are respectively smoother than the first rising edge and the first falling edge. The control circuit includes at least one capacitor. The capacitor is charged in a first direction in response to the first rising edge of the first driving signal. The capacitor is charged in a second direction in response to the first falling edge of the first driving signal.07-01-2010
20100164944DISPLAY SYSTEM - A display system includes a display device, a driving circuit, a flexible printed circuit (FPC), a charge pump circuit and a control circuit. The driving circuit is disposed on the display device, and utilized for driving the display device. The FPC is externally coupled to the display device. The charge pump circuit is disposed on the FPC, and utilized for generating at least an output voltage to the driving circuit. The control circuit is disposed on the display device and coupled to the driving circuit, and utilized for generating a control signal to control the charge pump circuit. The charge pump circuit has a control pin coupled to the control circuit for receiving the control signal generated from the control circuit.07-01-2010
20100164941SPREAD SPECTRUM CLOCKING INTERFACE APPARATUS OF FLAT PANEL DISPLAY - A spread spectrum clocking interface apparatus of a flat panel display for compensating for a frequency difference between a first clock signal externally supplied to a timing controller and a second clock signal generated from a spread spectrum clocking unit. The spread spectrum clocking interface apparatus includes a storage unit, first and second counters, and a delay unit. The storage unit stores input data to be supplied to the flat panel display in a first-in/first-out (FIFO) manner in accordance with a write address and outputs the stored input data in the FIFO manner in accordance with a read-out address. The first counter counts the first clock signal in response to a display enable signal and outputs a result of the counting as the write address. The delay unit delays the display enable signal while the second counter counts the second clock signal in response to the delayed display enable signal and outputs a result of the counting of the second counter as the read-out address.07-01-2010
20090219279Driving method of memory access - The present invention provides a spatial light modulator, comprising: a plurality of pixel elements wherein each of the pixel elements comprises at least a switching element; a plurality of control lines connected to at least one of the switching elements; and a controller for generating and transmitting a control signal through the control line for controlling the switching element, wherein the controller starts transmitting the control signal to a first switching element through a first control line before the control signal applied to a second switching element through a second control line is turned off at a low voltage level.09-03-2009
20090219278Electroluminescence display panel, electronic apparatus and driving method for electroluminescence display panel - An EL display panel having a pixel structure ready for an active matrix driving method, includes: an input signal line driving section configured to output an intermediate potential for mobility correction, a threshold value correction potential and a signal potential corresponding to a gradation value in order for each horizontal scanning period; and a writing controlling driving section configured to have a control period for keeping an on state of a sampling transistor for controlling writing of the potentials within a period beginning with a timing midway of an application period of the intermediate potential and ending with another point of time midway of an application period of the signal potential.09-03-2009
20090219277Imaging Device, Driving Method of the Same, Display Device and Electronic Apparatus - In an imaging device including imaging elements, a driver configuration which does not require much layout space and ensures a reduced number of wirings is provided. The imaging device includes imaging elements 09-03-2009
20100039426DATA SIGNAL LOADING CIRCUIT, DISPLAY PANEL DRIVING CIRCUIT, AND IMAGE DISPLAY APPARATUS - A data signal loading circuit (i) which includes: a comparator CMP02-18-2010
20090303227Video display capable of compensating for display defects - A video display device includes a display panel; a memory storing defect information for compensating data to be displayed on defect regions of the display panel; a compensation circuit comprising a first compensator that compensates the data to be displayed on the defect regions using the defect information from the memory, and a second compensator that finely compensates the data compensated by the first compensator using a first dither pattern, the compensation circuit supplying data to be displayed on normal regions without compensation; a timing controller comprising a dithering unit for finely compensating data output from the compensation circuit, using a second dither pattern having a size larger that a size of the first dither pattern; and a panel driver for driving the display panel under a control of the timing controller.12-10-2009
20100013825DISPLAY DEVICE AND METHOD FOR DRIVING THE DISPLAY DEVICE - This invention provides a display device constituted of a display panel in which pixels including light-emitting elements E01-21-2010
20100033476Display device and electronic apparatus - A sampling transistor in embodiments of the present invention is kept at the on-state with a time width shorter than one horizontal cycle, during the period from the rising of a control pulse supplied from a scanner to the falling of the control pulse, and samples a video signal Vsig from a signal line SL to write the video signal Vsig to a hold capacitor. A sampling transistor T1 has a double gate structure in which a pair of transistor elements are connected in common. This suppresses change in the threshold voltage of the sampling transistor.02-11-2010
20100039425COLOR SEQUENTIAL LIQUID CRYSTAL DISPLAY AND PIXEL CIRCUIT THEREOF - A color sequential liquid crystal display and a pixel circuit thereof are provided. The pixel circuit includes a first and a second sampling switches, a first and a second voltage registers, a first and a second output switches, a liquid crystal (LC) capacitor, and a reset switch. The first voltage register is coupled to the first sampling and the first output switches to register a first sampling voltage during a first sub-frame, and output the first sampling voltage to the LC capacitor during a second sub-frame. The second voltage register is coupled to the second sampling and the second output switches to register a second sampling voltage during the second sub-frame, and output the second sampling voltage to the LC capacitor during the first sub-frame. The reset switch is coupled to the LC capacitor to transmit a reset voltage to the LC capacitor between the first and second sub-frame periods.02-18-2010
20100053148LIGHT TURNING DEVICE WITH PRISMATIC LIGHT TURNING FEATURES - A light guide device includes a light guide body and two or more pluralities of spaced-apart slits. The slits are formed by undercuts in the light guide body. Sidewalls of the slits form facets that redirect light impinging on the facets. In some embodiments, the light guide body is attached to a light source. The light source emits light that is injected into the light guide body and the slits redirect the light out of the light guide body and towards a desired target. In some embodiments, the target is a display and a first plurality of slits directs light from the light source across the light guide body and over the face of the display. A second plurality of slits then directs light out of the light guide body and towards the display.03-04-2010
20100053147Display Device and Method of Driving the Same - Provided are a display device with improved display quality and a method of driving the same. The display device includes: a display panel which includes a plurality of dither blocks displaying an image that corresponds to a dither image signal; and an image signal controller which generates the dither image signal by using a dither pattern that determines a plurality of dither pixels, which are to be dithered, from among a plurality of pixels included in each of the dither blocks, wherein each of the dither blocks includes a plurality of pixels, whose respective polarities are inverted every frame and which are driven accordingly, and comprises equal numbers of positive-polarity dither pixels and negative-polarity dither pixels.03-04-2010
20100053146TIMING CONTROLLER AND DISPLAY APPARATUS HAVING THE SAME - In a timing controller and a display apparatus, the timing controller generates an internal enable signal based on an external enable signal and processes image data using the internal enable signal. The timing controller determines a width of each of the plurality of pulses of the external enable signal and subtracts a predetermined reference value from the count value to generate a control signal faster than an effective period of the external enable signal. The control signal is applied to a driver which drives a display panel on which an image is displayed. In an exemplary embodiment, the control signal serves as a vertical start signal which starts an operation of a gate driver applying a gate signal to the display panel, thus preventing or effectively eliminating a delay of the image data applied to the display panel.03-04-2010
20100060628IN-PLANE SWITCHING ELECTROPHORETIC COLOUR DISPLAY - The invention relates to an electrophoretic color display panel, the display panel comprising at least one pixel (03-11-2010
20100060627PLASMA DISPLAY DEVICE AND DRIVING METHOD OF PLASMA DISPLAY PANEL - A scan electrode driving circuit applies a first ramp waveform rising from a first potential (Vi03-11-2010
20110248984User programmable graphics in non-volatile memory for EPD driver IC - Systems and methods are disclosed for a display driver having an internal non-volatile memory in order to save memory storage and computation effort of a host processor. In a preferred embodiment of the invention the display driver is applied for an electronic paper display. Contained within the display driver are user-definable display graphics bitmaps, multiple stored bitmaps used to assemble complex display images, and multiple phase tables, each table of arbitrary length. The invention removes the requirement for a host processor to store display images and/or display image decodes of numerical data and simplifies the process required to construct a display image from stored bitmaps. Furthermore the invention provides pre-programmed multiple phase tables (phase/delay waveform definitions), allowing a simple mechanism to alter the waveform generation, required for example to accommodate temperature variations, blanking the display before updating an image, etc.10-13-2011
20110069060METHOD AND SYSTEM FOR DIGITAL LIGHT PROCESSING PROJECTION USING PULSED LAMPS - A method of operating an AC mercury lamp and DMD (Digital Micromirror Device) in a projection system, comprising receiving a periodic video frame pulse signal, switching the DMD between successive on and off states during each period of the frame pulse signal, wherein each off state results in a dark interval, and driving the lamp with a signal that is synchronized to the video frame pulse signal so as to alternate between a maintenance pulse level during at least a portion of the dark interval and a plateau level during the on state of the DMD.03-24-2011
20120120049INTEGRATED CIRCUIT DEVICE AND ELECTRONIC INSTRUMENT - An integrated circuit device includes first to Nth circuit blocks (N is an integer of two or more) disposed along the long side of the integrated circuit device. One circuit block of the first to Nth circuit blocks is a logic circuit block, and another circuit block of the first to Nth circuit blocks is a programmable ROM of which at least part of data stored therein can be programmed by a user. The logic circuit block and the programmable ROM block are adjacently disposed along a first direction. At least part of information stored in the programmable ROM block is supplied to the logic circuit block.05-17-2012
20090027376ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting display including pixels, each including an organic light emitting diode and a pixel circuit for controlling a supply of an electric current to the organic light emitting diode; and a sensing unit for converting a voltage applied to the organic light emitting diode to a digital value during a sensing period during a sampling period, and for sinking a second current from the pixel corresponding to the digital value to compensate a degradation of the organic light emitting diode during a sampling period.01-29-2009
20110069061Display device - A display device includes: a display panel including a display region in which display pixels are two-dimensionally arranged, and a non-display region in which first dummy pixels and second dummy pixels are arranged; a first drive section allowing each of the first dummy pixels to emit light by applying signal voltages having different magnitudes to each of the first dummy pixels; a second drive section allowing each of the second dummy pixels to emit light by flowing constant currents having different magnitudes to each of the second dummy pixels; a current measurement section detection currents flowing through each of the first dummy pixels to output current information thereof; a light reception section detecting light emitted from each of the second dummy pixels to output luminance information thereof; and a calculation section deriving a current deterioration function using the current information, and deriving an efficiency deterioration function using the luminance information.03-24-2011
20090273596SYSTEMS AND METHODS OF ACTUATING MEMS DISPLAY ELEMENTS - Methods of writing display data to MEMS display elements are configured to minimize charge buildup and differential aging. The methods may include writing data with opposite polarities, and periodically releasing and/or actuating MEMS elements during the display updating process. Actuating MEMS elements with potential differences higher than those used during normal display data writing may also be utilized.11-05-2009
20100271364Display panel driver - A display panel driver is provided with: first and second amplifiers; first to n-th even output nodes, n being an integer of two or more; first to n-th odd output nodes; first and second output pads connected to data lines of a display panel, respectively; first to n-th switch blocks; first to n-th even electrostatic protection resistors; and first to n-th odd electrostatic protection resistors. The i-th switch block out of the first to n-th switch blocks is configured to switch connections between the first and second amplifiers and i-th even and odd electrostatic protection resistors out of the first to n-th even and odd electrostatic protection resistors. The first to n-th even electrostatic protection resistors are connected between the first to n-th even output nodes and the first output pad, respectively. The first to n-th odd electrostatic protection resistors are connected between the first to n-th odd output nodes and the second output pad, respectively.10-28-2010
20100079442METHOD FOR DISPLAYING VIDEO, MOBILE ELECTRONIC DEVICE THEREOF, STORAGE MEDIUM THEREOF - A method for displaying a video, a mobile electronic device thereof and a storage medium thereof. In the present method, first, the video is displayed on a screen of the mobile electronic device. Then, an acceleration variance of the mobile electronic device is detected through a sensor of the mobile electronic device. Next, a display area of the video in the screen is adjusted according to the acceleration variance. As a result, a user can comfortably watch the video displayed in the screen of the mobile electronic device even in an unstable state.04-01-2010
20100039424METHOD OF REDUCING OFFSET VOLTAGE IN A MICROELECTROMECHANICAL DEVICE - A method of conditioning a microelectromechanical device is disclosed. In one embodiment the method comprises applying a conditioning signal to a microelectromechanical device having an offset voltage of a first sign, the conditioning signal having an average that is of a second sign which is opposite the first sign. In another embodiment the method comprises applying a conditioning signal to a microelectromechanical device having an offset voltage of a first value, the conditioning signal having an average of a second value which differs from the first value.02-18-2010
20090315877LARGE AREA THIN FILM CIRCUITS - A thin film circuit comprises a plurality of thin film transistors, wherein the output response of the circuit is dependent on at least first (12-24-2009
20090231326CIRCUIT AND METHOD FOR DRIVING, ELECTRO-OPTIC DEVICE, AND ELECTRONIC APPARATUS - There is provided a driving circuit that drives an electro-optic device by outputting data signals that are subjected to serial-to-parallel conversion into m (m is a natural number greater than or equal to 2) channels through m image signal lines to a plurality of data lines. The driving circuit includes an adjusting section that adjusts the m-channel data signals so that, when a reference signal whose signal level is a reference level is input, the m-channel data signals at least partly reach signal levels different from the reference level for each channel, and the differences between the signal levels and the reference level fall within a predetermined range; and an interchanging section that interchanges the adjustment values adjusted by the adjusting section among the m-channel data signals every predetermined period.09-17-2009
20090231325Display device - In a display device having a video signal drive circuit disposed laterally adjacent to the screen, the frame area is reduced and the vertical line noise at the center of the screen is prevented from appearing. Driver lines are drawn to areas disposed above and below a display area from the video signal drive circuit. R, G, and B drain lines are branched from each of the driver lines via R, G, and B switches. The R, G, and B switches are driven by R, G, and B switching lines. In order for preventing the interference between the driver line for supplying the center area of the screen with the image signals and the B switching line, a shield line is disposed between the driver line and the B switching line.09-17-2009
20080246754Method of driving discharge display panel performing adaptive initialization - Provided is a method of driving a discharge display panel that applies a reset driving signal to all display cell in the discharge display panel during an initialization period. The reset driving signal includes a rising voltage signal and a descending voltage signal. A rising rate of the rising voltage signal and the descending rate of the descending voltage signal change depending on temperature of the discharge display panel.10-09-2008
20080246755Display, Column Driver Integrated Circuit, and Multi-Level Detector, and Multi-Level Detection Method - The present invention relates to a display, a column driver integrated circuit, and a multi-level detector, and multi-level detection method, and more particularly to a multi-level detector, multi-level detection method, a display and column driver integrated circuit reducing a possibility of an error by removing the common mode from the received multi-level signal. The present invention provides a multi-level detector including a common mode removing circuit for removing a common mode of a differential multi-level signal, and a first and a second comparators for detecting multi-level using the differential multi-level signal being removed of the common mode. The present invention further provides a display and a column driver integrated circuit including the multi-level detector10-09-2008
20090213109DRIVING METHOD FOR A DISPLAY - The invention discloses a driving method for a display. The method includes the following steps: providing a pixels structure; receiving a plurality of frames; driving the (2n−1)th scan line and the (2n)th scan line by turns while receiving the number of odd frame; driving (2n)th scan line and (2n−1)th scan line by turns while receiving the number of even frame; adjusting the voltage of the Vcom according to pixels voltage value which are the voltage to be written into the pixels by odd data lines and even data lines while the pixels structure receiving the number of odd frame and the number of the even frame.08-27-2009
20100295844DISPLAY CONTROL APPARATUS AND DISPLAY CONTROL METHOD - A display control apparatus for controlling a display panel unit including a display unit having scanning lines and signal lines, a scanning line driving unit for selecting a horizontal line into which signals are written at the time of driving the signal lines by driving one of the scanning lines, and a signal line driving unit for causing the display unit to display an image by driving the signal lines on the basis of an input image signal includes a scanning control unit configured to control the scanning line driving unit so that adjacent scanning lines are simultaneously driven in a horizontal line period in which an image signal of one horizontal line is output and the same pixel value is written into adjacent pixels, and so that combinations of simultaneously driven scanning lines are changed in each period corresponding to a frame period of the input image signal.11-25-2010
20080252635Interface system and flat panel display using the same - An interface system capable of minimizing an electro magnetic interference. The interface system may be constructed with a serializer for receiving a first data and second data having a plurality of bits from an external device and sequentially outputting bits of the received first data and second data; a transmission circuit including a decoder for converting two bits supplied from the serializer into three bits, a driver for controlling a flow of electric currents to correspond to the three bits and a transmission resistor to which a voltage is applied to correspond to the flow of the electric currents; a reception circuit including a reception resistor for receiving a voltage supplied the transmission resistor, amplifiers for amplifying a voltage applied to both ends of the reception resistor, comparators for recovering the three bits and an encoder for recovering the two bits using the three bit by comparing the voltage supplied to the amplifiers; a deserializer for recovering the first data and the second data while sequentially storing the two bits supplied from the reception circuit; and stabilization circuits for controlling the transmission circuit.10-16-2008
20100321376LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD AND CIRCUIT FOR DRIVING LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a display section, an image signal drive circuit, a scan signal drive circuit, a common electrode potential control circuit, and a synchronous circuit. The display section has scan electrodes, image signal electrodes, a plurality of pixel electrodes arranged in a matrix, a plurality of switching elements for transmitting an image signal to the pixel electrodes, and a common electrode. The common electrode potential control circuit changes an electric potential of the common electrode into a pulse shape, after the scan signal drive circuit has scanned all the scan electrodes and the image signal has been transmitted to the pixel electrodes. Otherwise, the image signal is overdriven. Otherwise, torque for returning to a no-voltage-application state is increased.12-23-2010
20080204444TIMING CONTROLLER TO REDUCE FLICKER AND METHOD OF OPERATING DISPLAY DEVICE INCLUDING THE SAME - A timing controller to reduce a flicker in a display device is provided. The timing controller includes a line pattern detector and a frame pattern detector. The line pattern detector divides received data into a plurality of unit blocks and detects a line polarity of each of a plurality of horizontal lines included in each of the unit blocks. The frame pattern detector generates a polarity control signal to control a data inversion method based on a frame image pattern detected based on line polarities of the respective horizontal lines.08-28-2008
20110164026Charge pump circuits and apparatuses having the same - A charge pump circuit configured to prevent latch-up is provided. The charge pump circuit includes a first transistor including a first bulk terminal, a first input terminal and a first output terminal, a first switching circuit connecting the first bulk terminal to one of the first input terminal and the first output terminal according to a voltage of the first input terminal and a voltage of the first output terminal, a first capacitor having a terminal connected to the first output terminal, and a second switching circuit connecting a second terminal of the first capacitor to the first input terminal or a ground in response to a plurality of clock signals.07-07-2011
20110025681ELECTROPHORETIC DISPLAY, ELECTROPHORETIC DISPLAY DEVICE AND ELECTRONIC APPARATUS - An electrophoretic display includes: a plurality of spatially divided cells; and plural types of color substances contained in each of the cells wherein a display color is controlled by controlling electrophoresis of the colored substances within the cells, wherein each of a first cell, a second cell and a third cell included in the plurality of cells includes a first color substance corresponding to a mutually differing one of three primary colors in additive color mixing or subtractive color mixing and a second color substance in a relationship of complementary colors with the first color substance, wherein the first cell is controlled to be in a display state by the first color substance, and the second and third cells are controlled to be in a display state by the second color substance, respectively.02-03-2011
20090207162PLASMA DISPLAY PANEL DRIVING METHOD AND PLASMA DISPLAY APPARATUS - A plasma display panel driving method and a plasma display apparatus are disclosed in which heat generation is reduced in a Y electrode driving circuit even when a display pattern on the plasma display panel becomes a horizontal band pattern. The plasma display panel driving method includes the steps of detecting an address switching load from input data by counting the number of switching times between ON and OFF of an address pulse applied to address electrodes, detecting a switching load among adjacent address data by counting the number of times in which ON and OFF of the address pulse are differently output among the adjacent address electrodes, and controlling to reduce the number of subfields by reducing a part of the subfields when the address switching load is a predetermined first threshold value or more and the switching load among address data is a predetermined second threshold value or less.08-20-2009
20110254831SCAN DRIVE CONTROL SYSTEM AND METHOD FOR LIQUID CRYSTAL PANEL AND COMPUTER PROGRAM PRODUCT THEREOF - A scan drive control system and method for a liquid crystal panel and a computer program product thereof are provided for controlling a plurality of gate scan lines. The system includes a time controller, a gate integrated circuit (IC), and selection modules. The time controller generates a scan signal periodically and the scan signal is acquired by the gate IC. The gate IC outputs the scan signals according to a sequence of master scan control lines, and outputs an enable signal corresponding to the scan signal and an occurred period of the scan signal according to an enable circuit. Each selection module is connected to a master scan control line and a plurality of local gate scan lines. One of the selection modules acquires the scan and the enable signals, selects a target gate scan line from the local gate scan lines connected to the selection module, and outputs the scan signal.10-20-2011
20110080397BACKLIGHT DRIVE APPARATUS AND VIDEO DISPLAY APPARATUS - A backlight drive apparatus for current driving a plurality of strings has a period in which at least one of the strings is a current driven idly during a liquid crystal OFF period, in addition to a current driving period in which video information is displayed via liquid crystals. A failure detection section can monitor stabilized detection voltages in the period when current driven idly and detects failure state of the backlight panel.04-07-2011
20110157152ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting display (OLED) device comprises: an estimated current calculation unit configured to estimate an increase estimated current value having at least one increased gray level and a decrease estimated current value having at least one decreased gray level with respect to current flowing cross an element; a current measurement unit configured to measure the current flowing across the element to generate a measured current value; and a luminance adjustment unit configured to compare the values supplied from the estimated current calculation unit and the current measurement unit and increase the luminance when the value inputted through the estimated current calculation unit is high and decrease the luminance when the value inputted through the estimated current calculation unit is low.06-30-2011
20110157151Efficient luminous display - In one embodiment a display assembly comprises a liquid crystal module, a backlight assembly comprising an array of light emitting diodes, a timing controller, and a backlight controller coupled to the timing controller. The backlight controller comprises logic to initiate a power activation cycle at the beginning of an image presentation timing cycle and terminate the power activation cycle at the termination of the image presentation timing cycle. Other embodiments may be described.06-30-2011
20110157150SOURCE DRIVER AND ASSOCIATED DRIVING METHOD - A source driver includes a first differential amplifier, a first output stage, a second differential amplifier, a second output stage and a multiplexer. The first differential amplifier is utilized for receiving a first differential input signal pair to generate a first differential output signal pair. The second differential amplifier is utilized for receiving a second differential input signal pair to generate a second differential output signal pair. The multiplexer couples the first differential amplifier to the first output stage and couples the second differential amplifier to the second output stage under a first configuration, and couples the first differential amplifier to the second output stage and couples the second differential amplifier to the first output stage under a second configuration.06-30-2011
20100110066INTEGRATED CIRCUIT FOR CONTROLLING OPERATIONS OF DISPLAY MODULE AND FIRST CIRCUIT MODULE WITH SHARED PIN - An integrated circuit for controlling a display module and a first circuit module with a shared pin includes: a shared pin, a display control module, a first control module, and a pin-sharing management module. The display control module is for controlling operations of the display module, wherein the display module is externally coupled to the integrated circuit via the shared pin. The display control module generates a pin-sharing control signal according to its operating status. The first control module is for controlling operations of the first circuit module, wherein the first circuit module is externally coupled to the integrated circuit via the shared pin. The pin-sharing management module is coupled to the display control module, the first control module and the shared pin and grants one of the display and first control modules access to the shared pin according to the pin-sharing control signal.05-06-2010
20100214282APPARATUS FOR PROVIDING LIGHT SOURCE MODULATION IN DUAL MODULATOR DISPLAYS - Dual modulator displays are disclosed incorporating a phosphorescent plate interposed in the optical path between a light source modulation layer and a display modulation layer. Spatially modulated light output from the light source modulation layer impinges on the phosphorescent plate and excites corresponding regions of the phosphorescent plate which in turn emit light having different spectral characteristics than the light output from the light source modulation layer. Light emitted from the phosphorescent plate is received and further modulated by the display modulation layer to provide the ultimate display output.08-26-2010
20100214280DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus and a control method thereof are provided. The display apparatus includes a display unit; a reception unit which receives an image signal from an image supply source; an image processing unit which includes a plurality of input terminals that receive the image signal from the reception unit, wherein if the image signal is a divided image signal, the image processing unit processes and combines parts of the divided image signal to output a processed image signal to be displayed on the display unit; and a controller which controls the display unit to display thereon an error message if one of the input terminals receives a first part of the divided image and the another one of the input terminals does not receive a second part of the divided image signal.08-26-2010
20100182309PLASMA DISPLAY PANEL - A plasma display panel is formed of a front panel including display electrodes, a dielectric layer, and a protective layer which are formed on a glass substrate, and a rear panel including electrodes, barrier ribs, and phosphor layers all of which are formed on a substrate. The front panel and the rear panel confront each other, and peripheries thereof are sealed to form a discharge space therebetween. The dielectric layer of the front panel contains Bi07-22-2010
20100066726Liquid crystal display and memory controlling method thereof - A display device including a display panel having a plurality of data lines and a plurality of gate lines disposed cross-wisely, a timing controller, the timing controller including a data comparing and blank time detecting device comparing whether current data and previous data are same and detecting a blank time in which no data inputs to generate a flag signal for indicating the blank time and a data keeping time in which a data same with the previous data is inputted, a memory control signal generator generating a memory clock, and stopping the generation of the memory clock when the flag signal is generated, a memory which is operated by the memory clock intermittently by the flag signal, and a data synchronizer delaying the data in time for treating operation of the data comparing and blank time detecting device and the memory control signal generator to synchronize the data inputted to the memory with the memory clock, and a data drive circuit converting data from the memory into a data voltage and supplying to the data lines, and a gate drive circuit supplying a scan pulse to the gate lines.03-18-2010
20100066728Liquid Crystal Display Device and Driving Method of the Same - A liquid crystal display device and driving method therefor are disclosed. The device includes a plurality of signal lines that apply different gray scale voltages to each of the pixels. A driving circuit is provided to generate the gray scale voltages to be applied to the pixels. In operation, the driving circuit applies the first gray scale voltage at intervals of the horizontal scanning time within a display period. The second gray scale voltage is output by a number of times that is not smaller than twice and not greater than (M-N) times at intervals of the horizontal scanning time from the beginning of the vertical retrace interval. The second gray scale voltage is then stopped until completion of the vertical retrace interval.03-18-2010
20100066727PLASMA DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A scan electrode driving circuit applies a rising ramp waveform voltage to scan electrodes (SCN03-18-2010
20100194740Unit Circuit, Control Method Thereof, Electronic Device, Electro-Optical Device, and Electronic Apparatus - There is provided a unit circuit comprising: a capacitive element having a first electrode, a second electrode, and a dielectric layer interposed between the first electrode and the second electrode; a transistor having a gate electrode connected to the first electrode, a first terminal supplied with one of a low potential and a high potential, and a second terminal connected to a driven element; a first switching element controlling electrical connection between the gate electrode of the transistor and the second terminal; and a second switching element connected to the second electrode. A potential of the first electrode is set to a predetermined potential higher by a threshold voltage of the transistor than a first potential by turning on the first switching element, and the potential of the first electrode is set to the first potential by supplying a first operation signal to the second electrode through the turned-on second switching element in a state that the first electrode is electrically isolated from the predetermined potential by turning off the first switching element. A second period in which the potential of the first electrode is set to the predetermined potential by turning on the first switching element and a second operation signal is supplied to the second electrode through the turned-on second switching element is provided subsequently to a first period in which the potential of the first electrode is set to the first potential. In a state that the first electrode is electrically isolated from the predetermined potential by turning off the first switching element after the second period is ended, the potential of the first electrode is set to a second potential by supplying a third operation signal to the second electrode through the turned-on second switching element. Here, the first potential and the second potential have opposite polarities when the predetermined potential is used as a reference potential.08-05-2010
20100026679Booster circuit, display panel driver, and display device - A booster circuit is provided with a boosting section and a control circuitry. The boosting section includes a boosting capacitor element and is configured to perform charging operation to accumulate charges across the boosting capacitor element and to perform boosting operation to boost an output voltage by using charges accumulated in the boosting capacitor element. The control circuitry controls the boosting section to alternately perform the charging and boosting operations in response to a boosting clock signal and the output voltage. The control circuitry prohibits performing the charging and boosting operations in response to whether a selected line of dot pixels is an odd-numbered line or an even-numbered line in a display panel.02-04-2010
20090174699ELECTROLUMINESCENT DISPLAY DEVICES AN ACTIVE MATRIX - An active matrix EL display has first and second capacitors connected in series between the gate and source or drain of a pixel drive transistor. A data input to the pixel is provided to the junction between the first and second capacitors thereby to charge the second capacitor to a voltage derived from the pixel data voltage, and a voltage derived from the drive transistor threshold voltage being stored on the first capacitor. A discharge transistor is connected between the junction between the first and second capacitors and a common line for all pixels of the display. This device uses a common line as a discharge sink/source for the threshold voltage measurement operation. By avoiding the use of a data line for this purpose, the pixel can be in a non-addressed state when the threshold measurement takes place.07-09-2009
20100020065IMAGE DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - An object is to improve image quality. In order to achieve this object, a method of driving an image display device comprises the following steps (a) to (c). The image display device includes: a plurality of pixel circuits having respective light emitting elements (OLED), and which are arranged in a plane in a first direction and in a second direction different from the first direction; and a plurality of power source lines each connected in common to the plurality of pixel circuits for each column of pixel circuits formed by arranging a plurality of pixel circuits in the first direction. In the step (a), a voltage drop expected to be generated in one power source line of the plurality of power source lines is derived based on the wiring resistance of the one power source line, and first image data supplied to a plurality of pixel circuits connected in common to the one power source line, and arranged in the first direction. In the step (b), second image data is derived by correcting the first image data based on the voltage drop derived in the step (a). The step (c) is a light emission step of causing the light emitting elements to emit light based on the second image data derived in the step (b).01-28-2010
20100020063LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - A method for driving a liquid crystal display (LCD) apparatus, wherein the LCD apparatus comprises a plurality of scan rows, a plurality of data columns, and a data driving circuit, includes: driving a plurality of specific scan rows of the plurality of scan rows at a same time; extracting a plurality of pixel data, arranged into a first order, corresponding to the plurality of specific scan rows; arranging the plurality of pixel data into a second order different from the first order according to a connecting relationship between the data driving circuit and a plurality of pixels of the plurality of specific scan rows; and utilizing the data driving circuit to drive a plurality of pixels according to the plurality of pixel data corresponding to the second order.01-28-2010
20120146990PIXEL FOR DISPLAY DEVICE, DISPLAY DEVICE, AND DRIVING METHOD THEREOF - A pixel for a display device is disclosed. In one aspect the pixel includes six transistors. For example, the pixel may includes an organic light emitting diode, a first transistor transmitting a first power source voltage to an anode of the organic light emitting diode, a second transistor transmitting a gate-on voltage to the gate electrode of the first transistor, a third transistor transmitting a gate-off voltage to the gate electrode of the first transistor according to a first control signal, a fourth transistor transmitting the gate-off voltage to the gate electrode of the second transistor according to the first control signal, a fifth transistor transmitting the second control signal to the gate electrode of the second transistor, and a sixth transistor transmitting the gate-on voltage to the gate electrode of the fifth transistor according to a third control signal. The pixels in the display are turned off for initialization and the pixels are selectively turned on to display an image.06-14-2012
20100026680APPARATUS AND SYSTEM FOR WRITING DATA TO ELECTROMECHANICAL DISPLAY ELEMENTS - Charge balanced display data writing systems, apparatuses, and methods use write and hold cycles of opposite polarity during selected frame update periods. A release cycle may be provided to reduce the chance that a given display element will become stuck in an actuated state.02-04-2010
20110148855PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE HAVING THE SAME - A pixel including a boosting capacitor, wherein the boosting capacitor includes: a semiconductor layer, a first conductive layer overlapping the semiconductor layer at an overlapping portion, and a first insulating film therebetween, and wherein the semiconductor layer includes: a main body portion, a contact portion outside the overlapping portion and coupling the boosting capacitor with another component, and a connecting portion integrally provided with the main body portion and the contact portion to couple the main body portion with the contact portion at an interface of the first conductive layer and having a width smaller than that of the main body portion and the contact portion.06-23-2011
20110304606METHOD AND SYSTEM FOR IMPLEMENTING LOOK-AHEAD PROTECTION IN A COMPUTING DEVICE - A method and apparatus for presenting a narrative to a user. A focus segment of content is determined, and a first non-focus segment of content that immediately succeeds the focus segment of content is determined. The focus segment of content is displayed on a display. The first non-focus segment of content is displayed on the display with an obscuring characteristic such that the first non-focus segment of content is at least partially obscured compared to the focus segment of content. A segment transition is detected from the focus segment of content to the first non-focus segment of content, and in response to the segment transition, the first non-focus segment of content is displayed on the display without the obscuring characteristic.12-15-2011
20080309656Dispaly Pixel Inversion Scheme - A display device (12-18-2008
20100060626Pixel circuit of active matrix organic light emitting diode - A pixel circuit of an active matrix organic light emitting diode (AMOLED) device includes a scan line, a data line, a first switching thin film transistor (TFT), a capacitor connected between a drain electrode of the first switching TFT and ground, an organic light emitting diode, a driving TFT, and a control circuit. A gate electrode and a source electrode of the first switching TFT are respectively connected to the scan line and the data line. A gate electrode of the driving TFT is connected to a drain electrode of the first switching TFT, and a driving current is applied to the organic light emitting diode via the driving TFT. The control circuit connected to the data line detects a voltage value of the driving current, and regulates a voltage value of the data signal according to the voltage value of the driving current.03-11-2010
20110050683THREE-DIMENSIONAL DISPLAY DEVICE - A three-dimensional display device comprises a flat display panel and an image-converting sheet disposed on or above the display panel. The display panel comprises a matrix of unit display cells arranged as rows and columns and where the cells are spaced apart to have respective row and column direction pitches. The image-converting sheet comprises a plurality of inclined lenticular lenses where the inclination is set according to the row and column direction pitches so as to reduce perception of Moiré patterns when stereo-scopic images are projected through the image-converting sheet to an observer viewing the display panel as an upright panel having respectively different left and right stereo-scopic image projections.03-03-2011
20110050682Liquid Crystal Display Device and Back Light Module of the Liquid Crystal Display Device - A back light module of a liquid crystal display device and the liquid crystal display device are provided. The back light module includes a printed circuit board (PCB), a light emitting diode (LED) driver, and a plurality of LED light bars. Each LED light bar has a plurality of LED series. The LED driver simultaneously electrically connects the LED series of different LED light bars via tracks of the PCB.03-03-2011
20110050681LOW VOLTAGE DIFFERENTIAL SIGNAL OUTPUT STAGE - A low voltage differential signal (LVDS) output stage including a display signal digital circuit, a data parallel-to-serial (P2S) circuit and a transmitting circuit is provided. The display signal digital circuit generates a display signal and a display clock signal synchronous to each other according to a first frequency multiplication clock signal. The data P2S circuit samples the display signal according to a second frequency multiplication clock signal, so as to generate a serial data signal and a serial clock signal. The first frequency multiplication clock signal and the second frequency multiplication clock signal have a relationship of frequency multiplication. The data P2S circuit includes an adjustment structure for adjusting the serial clock signal according to the display clock signal and the second frequency multiplication clock signal, and controlling a transmitting time of the serial data signal transmitted according to a clock of the second frequency multiplication clock signal.03-03-2011
20110050680METHOD AND APPARATUS FOR DRIVING A LIQUID CRYSTAL DISPLAY DEVICE - The present invention in one aspect relates to a source driver comprising a first digital-to-analog converter with a positive polarity (PDAC), a second digital-to-analog converter with a negative polarity (NDAC), a first operational amplifier and a second operational amplifier. Each operational amplifier is characterized with a 1st & 2nd stage and an output stage. Both the PDAC and NDAC are coupled to the first and second operational amplifiers through a first pair of switches. The 1st & 2nd and output stages of the first operational amplifier are coupled to the 1st & 2nd and output stages of the second operational amplifier through a second pair of switches. The first and second operational amplifiers are coupled to odd data lines and even data line through a third pair of switches. Further, the amplitudes of the operational voltages for the PDAC, the NDAC and the output stages first and second operational amplifiers are set to be between the supply voltage and the ground voltage. Accordingly, the power consumption and the operational temperature are substantially reduced.03-03-2011
20110050679DRIVING CIRCUIT OF AN LCD PANEL AND DATA TRANSMISSION METHOD THEREOF - A driving circuit includes a receiving module, a data mapping module, a shift register module, a plurality of output channels, and a switching module. The receiving module receives data from a first number of parallel inputs. The data mapping module is coupled to the receiving module for mapping the data from the first number of parallel inputs to a second number of data buses according to a bus mode signal. The shift register module is used for generating a plurality of shift control signals. Each of the output channels latches data on the data buses based on the corresponding shift control signal. The switching module is connected between the shift register module and the output channels for outputting the shift control signals to the plurality of output channels according to the bus mode signal.03-03-2011
20110050678FAST TRANSITIONS OF LARGE AREA CHOLESTERIC DISPLAYS - A gray scale drive scheme for passive matrix displays, more specifically cholesteric liquid crystal displays. Prior to writing an image, the display can be given a black appearance by first driving the pixels to a homeotropic state, then driving the pixels to a focal conic state. The drive scheme then resets pixels by driving the selected pixels to a homeotropic state. Selecting and non-selecting row voltage signals are then used in combination with column voltage signals to write an image to the display.03-03-2011
20100182310Display-driver data line driving device - A display-driver data line driving device includes a multichannel shift resistor and divided data lines to accommodate a display panel with various levels of resolution and reduce power consumption. The data line driving device includes a first display latch portion (L07-22-2010
20110316844Devices and Methods of User Interfaces to Generate a High Current Drain Impact User Notification Relating to a Wallpaper Image - Disclosed are methods of user interfaces of electronic devices having a displays configured to annunciate wallpaper images wherein a wallpaper image includes image data. Image data can be characterized, for example, by the luminance levels of pixels of the image and/or the power needed to display the image. An image characteristic threshold is related to current drain impact, for example, in terms of luminance and/or power needed to display an image. A disclosed method can include receiving the image data of the wallpaper image and determining whether the image characteristic of the image data (such as luminance level at a given percentile) exceeds the image characteristic threshold. A disclosed method can further provide generating a user interface notification relating to the image characteristic exceeding the image characteristic threshold and relating to the current drain impact of displaying the image as wallpaper.12-29-2011
20120001895LIGHT MODULE AND DISPLAY APPARATUS USING THE SAME - A light module is applied to a display apparatus. The light module includes a plurality of light units. Each of the light units has a circuit board, a plurality of control driving units, and a plurality of light-emitting diodes. The circuit board is divided into a plurality of circuit blocks electrically connected each other. The amount of the control driving units is the same as that of the circuit blocks and the control driving units are disposed in the circuit blocks, respectively. The light-emitting diodes are disposed in the circuit blocks and electrically connected to the control driving units, respectively.01-05-2012
20110018860DISPLAY - A display is provided having private and public viewing modes. The display comprises a display device and a parallax optic (01-27-2011
20080266284Method for Driving LCD Panel - A method for driving an LCD panel having a plurality of pixels corresponding to a matrix includes receiving an image data, setting polarities of the plurality of pixels according to an LCD panel driving procedure, dividing the plurality of pixels into a plurality of groups by lines of the matrix according to polarities of pixels corresponding to a column of the matrix, and sequentially scanning the pixels of the groups, so as to show the image data.10-30-2008
20120056869ORGANIC LIGHT EMITTING DIODE DRIVER - There is provided an organic light emitting diode driver capable of compensating for pixel deterioration in real time during the driving of pixels by selectively compensating pixels, requiring compensation, for the deterioration thereof. The organic light emitting diode driver includes: a converter converting input data into compensation data used to selectively compensate for pixel deterioration according to whether or no the input data has been calibrated; a driver driving pixels of a pixel unit according to the compensation data from the converter; and a compensator providing the converter with a deterioration compensation signal according to deterioration information obtained from a pixel driven by the driver.03-08-2012
20120013599APPARATUS AND METHOD FOR COMPENSATING FOR BLACK LEVEL - An apparatus and method for compensating for a black level in order to solve a screen flickering phenomenon and a problem of convergence speed of a black level value. The apparatus for compensating for a black level includes: a black pixel average value extraction unit averaging black pixel values of a current frame to determine a black pixel average value; a luminance value extraction unit extracting a luminance value from an analog gain and concentration time information of an image sensor; a black level extraction unit calculating a frame weight by using the luminance value and acquiring a black level value of a current frame by using the frame weight, the black pixel average value, and a black level value of a previous frame; and a black level compensation unit compensating for valid pixel values of the current frame by using the black level value of the current frame.01-19-2012
20120013598DATA DRIVE CIRCUIT OF FLAT PANEL DISPLAY AND DRIVING METHOD THEREOF - The data driver of a flat panel display includes: an output driver configured to output a plurality of amplified data signals for a plurality of channels corresponding to a plurality of data lines, the plurality of channels including: a plurality of amplifiers configured to amplify a plurality of input data signals and to supply the amplified data signals to the data lines; and a plurality of chopping controllers, each of the chopping controllers being coupled connected to a plurality of input terminals of a corresponding amplifier of the amplifiers and configured to receive a first control signal or a second control signal to periodically change signals applied to positive and negative input terminals from among the input terminals of the amplifiers.01-19-2012
20120154370SPATIAL LIGHT MODULATOR WITH STORAGE REDUCER - Described are devices and methods for reducing the need for storage on a display panel, for reducing the required bandwidth to a display panel, for increasing the light-on time for a display panel.06-21-2012
20120154371DISPLAY DEVICE, EYEGLASS DEVICE AND IMAGE SYSTEM - A display device including: a display portion for displaying a video; a generator for generating a synchronization signal including a command signal synchronized with display of frame images of the video; and a transmitter for transmitting the synchronization signal, wherein the command signal including a predetermined member of pulse signals has a leading pulse signal for notifying a start of the command signal, a terminal pulse signal for notifying an end of the command signal, and a control pulse signal for notifying a content of synchronization control synchronized with the display of the frame images.06-21-2012
20100238157METHOD OF MODULATING/DEMODULATING A SIGNAL, APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE APPARATUS - A method of modulating and demodulating a signal includes modulating data information included in an input data signal provided from an external source and clock information included in an input clock signal provided from the external source into a transmission signal, using (n+1) delay clock signals generated based on the input clock signal, where n is a natural number. The transmission signal is demodulated into an output clock signal including restored clock information and an output data signal including restored data information, using (m+1) delay clock signals generated based on the clock information, where m is a natural number less than n.09-23-2010
20120026156Display Timing Control Circuit and Method Thereof - A display timing control circuit is capable of rapidly adjusting display timing to achieve frame synchronization. The display timing control circuit includes an output pixel clock generator, a display timing generator, and a clock adjusting unit. The output pixel clock generator generates an output pixel clock signal according to a reference clock signal and a clock divisor. The display timing generator generates a display timing signal and an output vertical reference signal having an output frame rate according to the output pixel clock signal. The clock adjusting unit adjusts the clock divisor according to the output pixel clock signal, the output vertical reference signal, and an input vertical reference signal having an input frame rate.02-02-2012
20120062547CONTROL DEVICE, DISPLAY DEVICE AND METHOD FOR CONTROLLING DISPLAY DEVICE - A control device includes a writing device that writes an image according to image data, through a plurality of frame periods, to a plurality of pixels that compose a display section, and a refresh processing device that performs refreshing a group of pixels that is subject to refreshing among the plurality of pixels when a value concerning the number of times of image writing performed by the writing device since the last refreshing is equal to or greater than a threshold value. While the refresh processing device is performing refreshing, the writing device does not perform image writing with respect to the group of pixels that is subject to the refreshing, but performs image writing with respect to a group of pixels that is not subject to the refreshing.03-15-2012
20100238159DIFFERENTIAL SIGNAL GENERATING DEVICE - A differential signal generating device includes a control circuit and a differential signal driver receiving a single-ended signal. The control circuit receives a source signal and generates a control signal corresponding to a first mode when the source signal conforms with a first pre-defined state, and corresponding to a second mode when the source signal conforms with a second pre-defined state. Variations of the source signal are related to signal content of the single-ended signal. The differential signal driver is coupled to the control unit for receiving the control signal therefrom. The differential signal driver outputs a differential signal output according to the single-ended signal when the control signal corresponds to the first mode. The differential signal driver outputs a non-differential signal output when the control signal corresponds to the second mode.09-23-2010
20120249519DUMMY PIXELS MADE INACTIVE - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for preventing the edge subpixels of a display from actuating. Some implementations provide a small conductive via inside edge subpixels of a passively-addressed display, such as a microelectromechanical systems (MEMS)-based display. The vias may be configured to make an electrical connection between a movable conductive layer and another conductive layer of the edge subpixel. Electricity may be provided to the active subpixel array by way of these vias in the edge subpixels. The concepts provided herein apply to other types of passively-addressed displays, such as organic light-emitting diode (“OLED”) displays and field emission displays.10-04-2012
20110102418ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting display device is configured to compensate for deterioration of organic light emitting diodes (OLEDs) included in the device. The organic light emitting display device includes: a plurality of pixels; a timing controller for generating a comparison signal to determine a deterioration degree of an OLED included in each of the pixels; a sensing unit for sensing a deterioration information of the OLED; a supply time controller coupled between data lines and a data driver; a compensation unit for controlling the supply time controller so that a supply time of a data signal varies to correspond to the deterioration information and the comparison signal; and a switching unit coupled to the data lines, the sensing unit, and the supply time controller. The switching unit is configured to selectively couple the data lines to the sensing unit or the supply time controller.05-05-2011
20120169708CONTROL CIRCUIT OF DISPLAY PANEL AND CONTROL METHOD OF THE SAME - A control circuit for driving a display panel is disclosed. The control circuit includes a timing controller, outputting a timing control signal; and a driving module, electrically coupled to the timing controller and the display panel for driving the display panel in response to the timing control signal, and the timing controller is switchable to a modifying state according to a driving condition of the driving module. A control method for driving a display panel is also disclosed.07-05-2012
20120162190APPARATUS AND METHOD FOR DRIVING MULTI-STABLE DISPLAY PANEL - An apparatus and a method for driving multi-stable display panel are provided. The method includes selecting a plurality of target scan lines from a plurality of scan lines of the multi-stable display panel; driving the target scan lines during a line-scanning period; and providing a first voltage level to other scan lines besides the target scan lines during the line-scanning period. Wherein, the line-scanning period includes a plurality of time slots. The target scan lines are respectively provided with a third voltage level during at least a corresponding time slot of the time slots, and are provided with the first voltage level during other time slots besides the corresponding time slot. A data line of the multi-stable display panel is correspondingly provided with a second voltage level or a fourth voltage level in the time slots.06-28-2012
20100245338FRAME RATES IN A MEMS DISPLAY BY SELECTIVE LINE SKIPPING - Systems and methods for improving frame rate in MEMS display devices are disclosed. Lines are selected for skipping during updates based on the desired frame rate and the visual effect of skipping the particular line.09-30-2010
20100245342SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit has an output terminal connected to an external load, an internal signal line by which the output terminal is connected to an internal node, and a voltage generator that outputs a voltage to the internal node, for output through the internal signal line and the output terminal to the external load. A voltage attenuating element is connected to the internal signal line to attenuate voltage swings on the internal signal line. A limiting circuit is connected to the internal node to limit the voltage at the internal node to a predetermined range. Moderate voltage swings caused by external electromagnetic interference are kept within the predetermined range by the voltage attenuating element, so that the limiting circuit does not operate and the average output voltage is not changed.09-30-2010
20100245340DRIVING DEVICE AND DRIVING METHOD FOR LIQUID CRYSTAL DISPLAY - A driving device and a driving method for an Liquid crystal display are provided. The driving device includes a memory unit, a comparator, a compensation unit, and a selector. The memory unit provides a previous image and a previous comparison result. The comparator compares a present image with the previous image and outputs a present comparison result. The compensation unit processes the present image according to the previous image to generate a plurality of processed present images. The selector selects and outputs one of the present image and the processed present images according to the previous comparison result and the present comparison result. Thereby, the space required in the memory unit is reduced and the image display quality is improved.09-30-2010
20100245339METHOD OF PREVENTING IMAGE STICKING ON A TFT-LCD - A method of preventing image sticking on a TFT-LCD is provided. The TFT-LCD is connected to the display control board so that signals are communicated therebetween; the display control board has a micro-controller for determining whether a timing of input signals is changed; if it do not change within a setting time period, then the image pixels of the TFT-LCD are changed so as to change shapes of the liquid crystals of the TFT-LCD; by controlling the illumination and movement of the image pixels of the liquid crystals of the TFT-LCD will prevent from image sticking. The method for controlling the movement of the image pixels of the liquid crystals of the TFT-LCD is to cause an image frame to move upwards, downwards, leftwards and rightwards; or to cause the image pixels to scan line; or to cause the image pixels to move by “scan point” scanning.09-30-2010
20100207935DISPLAY DEVICE AND DRIVING APPARATUS THEREOF - A driving circuit according to an embodiment of the present invention includes an input terminal, unit circuits connected to the input terminal, and output terminals electrically connected to the input terminals. Each of the unit circuits is enabled in response to a control signal inputted via the input terminal.08-19-2010
20100207932PLASMA DISPLAY AND DRIVING METHOD THEREOF - A plasma display device and a method of driving the same according to the black load of a displayed image. The plasma display device includes a plurality of first electrodes and a plurality of second electrodes extending in parallel, a plurality of pixels each having a plurality of discharge cells defined by the first and the second electrodes, a driver adapted to apply a first reset waveform to the first electrodes and a second reset waveform to the second electrodes during a reset period, and a controller adapted to adjust at least one of a voltage of the first reset waveform or a voltage of the second reset waveform in accordance with a black load of an image signal corresponding to the plurality of pixels.08-19-2010
20100207934Liquid crystal display apparatus - A liquid crystal display apparatus includes a plurality of pixels arranged in a matrix shape and a drive circuit for actively driving the plurality of pixels. Each of the pixels has a laminated structure including a pixel electrode, a first alignment film, a liquid crystal layer, a second alignment film, and a counter electrode. The liquid crystal layer includes a liquid crystal molecule having a vertical alignment property. The first alignment film and the second alignment film are inorganic alignment films formed by obliquely depositing an inorganic material. The drive circuit has a first calculation section for extracting a first positional information, a second calculation section for extracting a second positional information, a third calculation for calculating a third positional information, and a fourth calculation section for calculating a third video signal.08-19-2010
20110181586DRIVING CIRCUIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - In one embodiment, a driving circuit includes first, second, third and fourth transistors each having first and second electrodes, and a control gate electrode. First and second input signals for producing alternating current voltage are inputted to the respective first electrodes of the first and second transistors. The first electrode of the third transistor and the second electrode of the fourth transistor are commonly connected with an output terminal. The second electrode of the third transistor and the first electrode of the fourth transistor are respectively connected with first and second voltage sources. The control gate electrodes of the third and fourth transistors are respectively connected with the second electrodes of the first and second transistors. The driving circuit further includes first and second potential holding devices to control the switching operation of the third and fourth transistors to output the first and second voltages.07-28-2011
20120162191DRIVING DEVICE AND DRIVING METHOD FOR LIQUID CRYSTAL DISPLAY - A driving device and a driving method for a liquid crystal display are provided. The driving device includes a memory unit, a comparator, a compensation unit, and a selector. The memory unit provides a storage image and a previous comparison result. The comparator compares a present image with the storage image and outputs a present comparison result. The compensation unit processes the present image according to the storage image to generate a plurality of processed present images. The selector selects and outputs one of the present image and the processed present images according to the previous comparison result and the present comparison result. Thereby, the space required in the memory unit is reduced and the image display quality is improved.06-28-2012
20090058846METHOD FOR DRIVING AN ELECTROPHORETIC DISPLAY - The display of after-images is prevented in an electrophoretic display by applying one gray of at least three different grays through at least some of the pixels, applying a middle gray through at least some of the plurality of pixels, and applying a final compensation voltage to refresh the plurality of pixels03-05-2009
20090058845Display device - The invention provides a display device wherein provisions are made to be able to properly adjust the image viewing direction, viewing angle, or viewing range on the display device. The display device includes a display section capable of displaying independent images intended for a plurality of different viewing directions on the same screen, an information acquiring section for acquiring orientation information concerning the orientation of the images, and an image direction varying section for varying the orientation of the images based on the orientation information acquired by the information acquiring section.03-05-2009
20090109211Liquid crystal display, LCD driver, and operating method of LCD driver - In an aspect of the present invention, a liquid crystal display apparatus includes: a liquid crystal display (LCD) panel; and an LCD driver. The LCD driver includes: a first memory having a capacity more than a capacity of image data for one frame and configured to receive the image data externally to store therein; a second memory; an overdrive processing circuit configured to compress the image data read out from the first memory to generate a compressed image data, write the generated compressed image data in the second memory, and perform an overdrive process based on the image data of a current frame read out from the first memory and the compressed image data of a previous read out from the second memory to generate a post-process image data; and a data line driving section configured to drive data lines of the LCD panel in response to the post-process image data.04-30-2009
20110102417ORGANIC LIGHT EMITTING DIODE DISPLAY, DRIVING METHOD THEREFOR AND PIXEL UNIT THEREOF - The present invention discloses an organic light emitting diode display, a driving method therefor and a pixel unit thereof. The organic light emitting diode display comprises a pixel array comprising a plurality of organic light emitting diode (OLED) pixel groups of different colors, such as red, green and blue. The organic light emitting diode display can determine the ratio of shortened light emission intervals of OLED pixel groups of a specific color based on the color distribution of an image, thereby effectively prolonging the life of the OLEDs of a specific color. In one embodiment, the pixel unit of the organic light emitting diode display comprises an OLED, a switch and a drive circuit. The switch controls whether or not the current outputted from the drive circuit flows to the OLED so as to achieve the effect of the above-mentioned shortened emission interval.05-05-2011
20100020064ELECTROPHORETIC DISPLAY DEVICES - An electrophoretic display device is driven by carrying out a first display addressing cycle (FIG. 01-28-2010
20100007653GATE DRIVER AND DISPLAY APPARATUS HAVING THE SAME - A gate driver that comprises n shift registers, wherein n is an integer equal to or larger than 1, each of the n shift registers includes; a start stage which outputs a gate signal and starts its operation in response to a start signal, and a plurality of subsequent stages which are connected to each other in sequence, and which sequentially output a plurality of gate signals in response to a signal output from the start stage, wherein at least one stage of the plurality of subsequent stages is reset by the start signal.01-14-2010
20090021511Voltaic Level Adjusting Circuit, Method, and Display Apparatus Comprising the Same - A voltaic level adjusting circuit, a method, and a display apparatus having at least one data line are provided. The voltaic level adjusting circuit comprises a capacitor and at least one switch. The capacitor is charged to a voltaic level after receiving a reference voltage. The at least one switch is electrically connected to the at least one data line and the capacitor. A voltaic level of the at least one data line is adjusted by the voltaic level of the capacitor while the switch is turned on.01-22-2009
20090021510DISPLAY - A portable communication device may include a motion detection unit adapted to measure movement related data, a processing unit adapted to receive the movement related data from the motion detection unit, and at least one light emitting element adapted to receive control signals from the processing unit. The processing unit may be adapted to compute a lighting scheme that determines when to activate and when to deactivate the at least one light emitting element based on said movement related data, and to send control information according to said lighting scheme to the at least one light emitting element for activating and deactivating the at least one light emitting element, such that the at least one light emitting element, when the portable communication device is moved over a region of space, may create an illusive display adapted to convey information using persistence of vision of a viewer.01-22-2009
20080316198Display Device, Viewing Angel Control Device, and Electronic Apparatus - A portable phone has a main LCD and a SW-LCD, provided on a path of light to be transmitted by the main LCD, which electrically switches between (i) an image to be seen in a single image display mode and (ii) an image to be seen in a multiple image display mode. Furthermore, a first polarization plate serving as a reflective polarization plate is provided between the SW-LCD and the main LCD, and a second polarization plate is provided on a front surface side of the SW-LCD. The SW-LCD has a liquid crystal layer to which a voltage is applied in the multiple image display mode. With this, an image displayed by an image display can be seen from a front direction. In addition, the image displayed by the image display is blocked by the second polarization plate when the image is seen from the an oblique direction, and outside light from the oblique direction is reflected by the first polarization plate, so that a mirror surface display is carried out.12-25-2008
20100328301ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting diode display includes: a display module including a data driver for supplying data signals to a panel, a scan driver for supplying scan signals to the panel, and a timing driver for controlling the data driver and the scan driver; and a compensation driver for, upon receipt of a termination signal for terminating the display module, during a termination period in which the display module is terminated, setting a compensation period with reference to the driving time of the display module, and supplying a compensation signal to the panel.12-30-2010
20120320030PLASMA DISPLAY DEVICE, PLASMA DISPLAY SYSTEM, AND METHOD OF DRIVING PLASMA DISPLAY PANEL - In display of a 3D image on a plasma display panel, the plasma display apparatus achieves excellent image display quality while reducing crosstalk. For this purpose, the plasma display apparatus includes a driver circuit and a control signal generation circuit. The driver circuit sets a subfield where an all-cell initializing operation is performed in the initializing period as the top subfield of one field. The control signal generation circuit sets both of the timing signal for the right eye and the timing signal for the left eye to OFF in the initializing period of the top subfield. The one field includes an auxiliary subfield where no address operation is performed in the discharge cells applied with a phosphor having a long afterglow time, and an identical address operation with that in the top subfield is performed in the discharge cells applied with a phosphor having a short afterglow time.12-20-2012
20120327070PLASMA DISPLAY DEVICE, PLASMA DISPLAY SYSTEM, AND CONTROL METHOD FOR SHUTTER GLASSES FOR PLASMA DISPLAY DEVICE - In display of a 3D image on a plasma display panel, the plasma display apparatus achieves an excellent contrast with reduced crosstalk. For this purpose, the plasma display apparatus includes a driver circuit and a control signal generation circuit. The driver circuit drives the plasma display panel in a manner such that a subfield where an all-cell initializing operation is performed in the initializing period and a sustain discharge is caused in all the discharge cells in the sustain period is set as the first subfield of one field. The control signal generation circuit generates shutter opening/closing timing signals that include a timing signal for the right eye and a timing signal for the left eye. The control signal generation circuit sets both of the timing signal for the right eye and the timing signal for the left eye to OFF in the period of the first subfield.12-27-2012
20110037760LIQUID CRYSTAL DISPLAY AND METHOD OF CONTROLLING DOT INVERSION THEREOF - A liquid crystal display includes: a liquid crystal display panel including data lines and gate lines crossing each other; a timing controller that maps data of an input image to polarity patterns of 1-dot inversion and 2-dot inversion, counts the number of positive data and the number of negative data, determines whether any one of the positive data and negative data becomes dominant or not based on a difference between the counted numbers, and selects either one of the 1-dot and 2-dot inversions; a data driving circuit that converts the data of the input image into data voltages to be supplied to the data lines and inverts the polarity of the data voltages by the selected dot inversion; and a gate driving circuit that sequentially supplies gate pulses synchronized with the data voltages to the gate lines.02-17-2011
20120268449DISPLAY APPARATUS - Disclosed is a display apparatus with an improved structure of its display unit and main body. The display apparatus includes: a display unit which includes a display connector and displays an image; and a main body which includes a power supply unit for supplying power to the display unit, an image processing unit for outputting image signals, and a main body connector which is directly or indirectly connected to the display connector in order to supply the power and the image signals output from the power supply unit and the image processing unit, respectively, to the display unit.10-25-2012
20090146990Method of generating frame control signal for reducing reaction time - A method of generating frame control signals for reducing reaction time comprises following steps: analyzing an input frame signal; generating a first reference liquid crystal control signal of a frame; setting a second liquid crystal control signal range and thereby generating a second reference liquid crystal control signal; generating a second backlight control signal according to the first reference liquid crystal control signal and the second reference liquid crystal control signal; and generating a second liquid crystal control signal of each pixel according to the second backlight control signal. By confining the second backlight control signal to the second liquid crystal control signal range, the reaction time of the liquid crystals is reduced and the frame quality of LCD devices is enhanced.06-11-2009
20090096778METHOD AND APPARATUS OF DETECTING IMAGE-STICKING OF DISPLAY DEVICE - A method of measuring image-sticking of a display device based on a vision model is described. A display device is provided, and a test frame is displayed on the display device. The test frame has a pattern formed by a maximum gray level and a minimum gray level. After burning-in the test frame for a period of time, a gray frame at a medium gray level is displayed on the display device. The test frame, including portions of extreme black and extreme white, leaves image-sticking on the gray pattern at a medium gray level at the same time. Next, an image capture device is used to capture the image-sticking on the display device after burn-in. Finally, a vision model is employed to simulate the human visual perception on the image-sticking and to grade the image-sticking according to the human eye sensitivity for viewing the image-sticking on the display device.04-16-2009
20100231580ELECTROPHORETIC DISPLAY DEVICE AND DRIVING METHOD THEREOF - An electrophoretic display device including a pixel electrode provided in the pixel, a capacitor line provided in the pixel, a storage capacitor provided in the pixel, and a second electrode of the storage capacitor being coupled to a storage capacitor line and a thin film transistor (TFT) provided in the pixel, a source electrode of the TFT being coupled to a first electrode of the storage capacitor and the pixel electrode, a drain electrode of the TFT being coupled to the signal line, and a gate electrode of the TFT being coupled to the scan line. A capacitor line low select signal VSL or a capacitor line non-select signal VSC having a higher electric potential than an electric potential of the capacitor line low select signal VSL is supplied to the storage capacitor line.09-16-2010
20100231579Electrophoretic Display Device, Electronic Device, and Drive Method for an Electrophoretic Display Panel - An electrophoretic display device has an electrophoretic display panel that has a plurality of drive electrodes, a common electrode, and a plurality of electrophoretic particles disposed between the drive electrodes and the common electrode, and can update the display color of each display unit correlated to a particular drive electrode as a result of the electrophoretic particles moving according to a voltage applied between the drive electrode and the common electrode; and a drive control unit that applies voltage between the drive electrodes and the common electrode to update the display of the electrophoretic display panel. The electrophoretic display device can display a first color, a second color, or at least one intermediate color between the first color and the second color in each of the display units. The drive control unit includes a display color setting means that sets an updated display color, which indicates the color to be displayed after the display unit is updated, to the first color, the second color, or the intermediate color for each display unit, a display color evaluation means that determines for each display unit if the current display color, which is the color displayed before the display unit is updated, is the first color, the second color, or the intermediate color, a first pulse-applying means that applies a first pulse between the common electrode and the drive electrode of at least one display unit, a second pulse-applying means that applies a second pulse between the common electrode and the drive electrode of at least one display unit, and a third pulse-applying means that applies a third pulse between the common electrode and the drive electrode of at least one display unit. To the display units of which the current display color is any intermediate color and the updated display color is set to any intermediate color, the first pulse-applying means applies the first pulse and changes said display units to the first color or second color, the second pulse-applying means applies second pulses that are opposite polarity to the first pulse in the same amount as the sum of the applied first pulses and the applied third pulses, and changes said display units to the first color or second color, and the third pulse-applying means applies third pulses of opposite polarity to the second pulses, and updates said display units to the set display color.09-16-2010
20120139896Driving Method of Electrophoretic Display Device, Electrophoretic Display Device and Electronic Apparatus - An image rewriting process includes a first pulse application process for using a driving pulse signal with the pulse width of a first electric potential being a first width; a driving stop process for stopping generation of an electric field between pixel electrodes and a common electrode, performed after the first pulse application process; and a second pulse application process for using the driving pulse signal with the pulse width of the first electric potential being a second width, performed after the driving stop process.06-07-2012
20100214281ILLUMINATION DEVICE, DISPLAY DEVICE, AND LIGHT GUIDE PLATE - An illumination device (08-26-2010
20100194739THIN-FILM SEMICONDUCTOR DEVICE, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF DRIVING DISPLAY DEVICE - A thin-film semiconductor device includes a temperature sensor formed of a thin-film semiconductor and sensing a temperature as current, and a current-voltage converter formed of a thin-film semiconductor and having temperature dependence in which its current-voltage characteristic is different from that of the temperature sensor. A temperature sensed by the temperature sensor is converted to a voltage by the current-voltage converter.08-05-2010
20130021319SWITCH CIRCUIT, PIXEL ELEMENT AND DISPLAY PANEL USING THE SAME - A switch circuit, a pixel element and a display panel are provided. The switch circuit is for the pixel element, and includes switches. A switch is turned on to perform a sample operation on the pixel element. Another switch has a control terminal coupled to an image data storage capacitor of the pixel element via the switch, a data terminal to a corresponding source line, and another data terminal to the image data storage capacitor. During the sample operation, the second switch stores an image data of the image data storage capacitor in a parasitic gate capacitor existing on its control terminal. The parasitic gate capacitor maintains its stored data from the sample operation to a refresh operation in which the pixel element is refreshed. The second switch selectively electrically connects its two data terminals with each other according to stored image data in the parasitic gate capacitor.01-24-2013
20130021320PIXEL ELEMENT, DISPLAY PANEL THEREOF, AND CONTROL METHOD THEREOF - A pixel element, a display panel, and a control method thereof are provided. The method includes a number of steps. An image data is stored in an image data storage capacitor of the display panel. A sample operation is performed to store the image data in a capacitive element.01-24-2013
20130135286DISPLAY METHOD, DISPLAY APPARATUS, AND ELECTRONIC TERMINAL - A display method, a display apparatus, and an electronic terminal are disclosed. The electronic terminal comprises a display unit; the method comprises: detecting a first operation, when a display object is displayed along a first display direction at a first display position of the display unit; determining a second display position according to the first operation, when the first operation is a predefined operation, whereat the second display position is different from the first display position; acquiring a correspondence relationship between the display positions and the display directions; determining a second display direction corresponding to the second display position, based on the correspondence relationship between the display positions and the display directions as well as the second display position; and displaying the display object along the second display direction at the second display position.05-30-2013
20080246753Method and Device for Tracking Sweet Spots - The invention relates to a method and device for tracking the sweet spots of a sweets spot unit for a transmissive electronic display. The aim of the invention is to improve the reproduction quality and the uniformity of illumination in displays of this type. The display contains a sweet spot unit consisting of an illumination matrix (10-09-2008
20130169620DISPLAY APPARATUS, GLASSES APPARATUS LINKED WITH DISPLAY APPARATUS AND CONTROLLING METHOD THEREOF - A display apparatus, glasses apparatus linked with the display apparatus, and control method thereof are provided. The glasses apparatus which is linked with the display apparatus alternately displays a plurality of content in image frame units includes: an input button, and a controller which performs a turn on operation when the input button is selected in a state where the glasses apparatus is turned off and which performs different control operations corresponding to a duration that the input button is pushed, a number of times the input button is pushed, or both the duration and the number of times the input button is pushed.07-04-2013
20100277466Transistor with enhanced capacitance at electrodes and transistor with light emitting capacitive element - A bipolar transistor structure with multiple electrodes configured to include an enhanced base capacitive element. Alternatively, a transistor with an integrated light emitting capacitive (LEC) element at the source or drain of the transistor. The transistor may be a stand alone transistor for usage in discrete applications, or may be implemented in a pixel circuit used in a display apparatus. In the pixel circuit embodiment, driver circuitry causes appropriate charging and discharging of the LEC elements of respective pixels to provide a desired display. In one alternative, a transistor may be configured to have multiple LEC elements integrated therewith, to provide respective different colors used in forming a display.11-04-2010
20080198153Method and Apparatus of Generating or Reconstructing Display Streams in Video Interface Systems - A method and system for reading data from a link buffer for output to a display device. A link buffer read period is determined which balances a write throughput over a source video frame time and a read throughput over a display frame time. A threshold is determined indicating a required number of pixels stored in a link buffer prior to starting to read data out of the link buffer for a next line display. A read signal is issued when the link buffer read period ends and the threshold is reached.08-21-2008
20110273435DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - When a light-emitting element emits light for a long time, characteristics thereof change and current flowing therethrough is reduced even in the same voltage is applied. In particular, in a case of a display device with light-emitting element, there is a problem such that burn-in is generated in a display screen. A burn-in correction period in which characteristics of a light-emitting element in each pixel are detected is provided in addition to a normal driving period in which an image is displayed. The light-emitting element can emit light which compensates the changes in the characteristics, by correcting video signals inputted to each pixel in the normal driving period according to the characteristics of the light-emitting elements obtained in the burn-in correction period.11-10-2011
20100073356Level shifter, shift register with level shifter, and display device with shift register - In one embodiment of the present invention, a NAND circuit, an inverter, a plurality of transistors serve as stopping devices for stopping operation of a circuit in a manner responsive to a level of an initializing signal that is fed. If the initializing signal that is Low-level is fed into the NAND circuit, then a plurality of transistors all become OFF. This makes it possible to reduce steady current flowing across a voltage and a start signal. Steady current flowing across the voltage and a start inverted signal is also reduced. Thus, the steady current flowing through the level shifter is reduced reliably, regardless of the way of use, when necessary.03-25-2010
20100309194METHOD OF DIMMING A LIGHT SOURCE AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method of dimming a light source module including a light guide plate, a first light emitting module including first to k-th light source blocks, wherein the first light emitting module is disposed on a first edge of the light guide plate, and a second light emitting module including first to m-th light source blocks, the second light emitting module being disposed on a second edge of the light guide plate, the second edge disposed opposite the first , the method including; generating a first group of driving signals and a second group of driving signals based on an image signal and driving the first to k-th light source blocks using the first group of the driving signals during a first period in a reference period and driving the first to m-th light source blocks using the second group of driving signals during a second period in the reference period.12-09-2010
20100309193Method for Updating Display Image of Electrophoretic Display Panel and Electrophoretic Display Apparatus using the same - A method for updating display image of an electrophoretic display panel and an electrophoretic display apparatus using the same are provided. In the aforementioned method, the gate lines of the electrophoretic display panel are divided into a first group and a second group. The display data related to pixels coupled to the gate lines of the fist group need not to be updated. Furthermore, the display data related to at least one of the pixels coupled to the gate lines of the second group need to be updated. The first type gate pulses are provided to the gate lines of the first group respectively, and second type gate pulses are provided to the gate lines of the second group respectively. The second type gate pulse has a predetermined pulse width. The pulse width of the first type gate pulse is shorter than the predetermined pulse width.12-09-2010
20100309192LIQUID CRYSTAL DISPLAY (LCD) DRIVING APPARATUS AND METHOD - An LCD driving apparatus and an LCD driving method are provided in the application. The LCD driving apparatus includes a difference value circuit which determines whether to enable an overdriving circuit and a memory controller according to a gray level variation between two adjacent frames. When the gray level variation between two adjacent frames is less than a predetermined threshold, the overdriving circuit and the memory controller are disabled so as to reduce power consumption.12-09-2010
20110242089LIQUID CRYSTAL SHUTTER, DRIVING METHOD OF THE SAME AND IMAGE DISPLAY SYSTEM - In one embodiment, the liquid crystal shutter is equipped with a first liquid crystal panel in the OCB mode to control the transmissivity of the light entering into left eye and a second liquid crystal panel in the OCB mode to control the transmissivity of the light entering into right eye, and a drive portion to control the transmissivity. The drive portion applies a normal voltage of a normal drive in a pulse shape and a retention voltage having a pulse shape with lower frequency than the normal voltage or lower voltage than normal voltage to the first liquid crystal panel and the second liquid crystal panel. The drive portion switches between the normal drive and the retention drive while maintaining bend alignment state.10-06-2011
20110234579APPARATUS AND METHOD FOR DRIVING LIGHT EMITTING DIODE - A driving apparatus for driving at least one first light emitting diode unit and a second light emitting diode unit includes a data transmitting unit and a driving unit. The data transmitting unit is used for receiving and storing driving data. The driving data includes first data corresponding to a first driving signal and second data corresponding to a second driving signal. The driving unit divides the first driving signal into a plurality of first sub-driving signals and the second driving signal into a plurality of second sub-driving signals, and then alternately outputs the first sub-driving signals and the second sub-driving signals to alternately drive the first light emitting diode unit and the second light emitting diode unit.09-29-2011
20100315409PLASMA DISPLAY DEVICE AND DRIVING METHOD THEREOF - A driving method of a plasma display device according to an exemplary embodiment groups a plurality of address electrodes extending in a first direction into a plurality of groups, and logically divides each of the groups into a plurality of sub-groups. During a first period, a first pulse is sequentially applied to the plurality of groups, and a second pulse is sequentially applied to the plurality of sub-groups included in at least one of the plurality of groups during a second period following the first period. The first and second periods are address periods for sensing in a second direction crossing the first direction.12-16-2010
20100315408LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A liquid crystal display includes a liquid crystal display panel which displays an image in response to a gate signal and a data signal, a panel driving circuit which provides the gate signal and the data signal to the liquid crystal display panel in response to a control signal, a backlight unit including n light generating blocks which provide light to the liquid crystal display panel, and a backlight control unit which turns each of the n light generating blocks on and off i times during one frame period. Each of the n light generating blocks has a different duty ratio for each of i turn-on periods when the n light generating blocks are turned on in the one frame period, and ‘n’ and ‘i’ are integers greater than or equal to two (2).12-16-2010
20100315407Display control circuit - A display control circuit for a display includes a plurality of amplifiers connected to data lines of a display panel, the plurality of amplifiers being configured to apply a gray-scale voltage to the data lines when a bias current is supplied, and a control circuit that supplies a bias current to the amplifiers, wherein the control circuit detects an operating state of at least one amplifier among the plurality of amplifiers that operates by the bias current in a first time region, and causes the plurality of amplifiers to operate by supplying the bias current for a predetermined period according to the detection result in a second time region after the first time region.12-16-2010
20120280972Dual Laser Drive Method, Apparatus, and System - A scanning projector includes a scanning mirror that sweep a beam in two dimensions. The beam is created by multiple laser light sources, at least two of which create light at substantially the same wavelength. The two light sources at the same wavelength may be driven at different times, or may be driven simultaneously (equally or unequally).11-08-2012
20130120353Display Apparatus - There is a need for decreasing a variation in times for writing to TFT elements for pixels in a direction along the extension of a gate line in a liquid crystal display apparatus. A display apparatus includes a display panel having multiple gate lines and drain lines arranged in a matrix and a data driver for outputting a display data signal to each drain line. The data driver includes: an internal control signal generation circuit generating an internal control signal for setting a timing to output a data signal to a drain line of each block on a block basis by dividing the plurality of drain lines into multiple blocks; and a register circuit for recording a setting for division of the block, a setting for delay direction and width of a timing to output the data signal, and a setting for rising and falling of an internal control signal.05-16-2013
20110310085IMAGE DISPLAY DEVICE, ELECTRONIC APPARATUSE USING THE SAME, DISPLAY OUTPUT CONTROL METHOD FOR IMAGE DISPLAY DEVICE, AND OUTPUT CONTROL PROGRAM THEREOF - Provided is a display device having a viewing angle changing function, which is capable of preventing leakage of information displayed on a display screen even when there is a fault generated in changing the viewing angle. The image display device including a viewing angle changing element capable of changing a wide vision display and a narrow vision display and including a display element is provided with a detection element which detects a fault generated in the viewing angle changing element and a module for changing to a narrow vision display when there is a fault based on a detection value of the detection element. For example, when there is a fault, a transparent heater is operated to heat a liquid crystal layer to set a transparent-scattering changing element to a transparent state and forcibly set the display device to a narrow vision display.12-22-2011
20120001896PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A pixel having an improved response time includes an organic light emitting diode connected between a first power supply and a second power supply; a first transistor connected between the first power supply and the organic light emitting diode, in which a gate electrode is connected to a first node; a second transistor connected between a first electrode of the first transistor connected to the first power supply and a data line, in which a gate electrode is connected to a current scanning line; a third transistor connected between a second electrode of the first transistor connected to the organic light emitting diode and the first node, in which a gate electrode is connected to the current scanning line or a control line; a fourth transistor connected between the second electrode of the first transistor and the organic light emitting diode, in which a gate electrode is connected to a light emitting control line, a fifth transistor connected between a connecting node of the fourth transistor and the organic light emitting diode, and the second power supply or a third power supply that is an initialization power supply, in which a gate electrode is connected to a previous scanning line or the control line; and a storage capacitor connected between the first power supply and the first node.01-05-2012
20130201175DISPLAY DRIVING APPARATUS AND DRIVING METHOD THEREOF - A display driving apparatus and driving method thereof are disclosed. The display driving apparatus includes a display panel and a display driver. The display panel has a plurality of pixels, and the pixels are arranged in an array. The pixels are divided into a plurality of first display regions and a plurality of second display regions, and each of the first display regions and each of the second display regions are arranged in the display panel alternatively. The display driver provides a plurality of driving signals for driving the first and second display regions. The driving polarities of the neighboring first display regions are different, and the driving polarities of the neighboring second display regions are different.08-08-2013
20130201176DISPLAY APPARATUS - A display apparatus is provided. The display apparatus includes: a display panel unit which comprises a first panel region corresponding to an opaque display region, and a second panel region corresponding to a transparent display region, a panel driving unit which drives the first panel region and the second panel region independently, and a controller which controls to display a main image on the opaque display region and display an additional image on the transparent display region.08-08-2013
20120299905FLUIDIC ACTUATOR AND DISPLAY DEVICE HAVING FLUIDIC ACTUATORS - A fluidic actuator includes a chamber filled with a fluid, an element movable in relation to the chamber and in contact with the fluid, as well as a passage for circulating the fluid between the inside and the outside of the chamber in order to vary the amount of fluid in the chamber, thus causing movement of the movable element. The fluid is magnetorheological and the fluidic actuator includes a magnetic field generator arranged so as to generate, in the passage, a controlled magnetic field.11-29-2012
20120086702METHOD OF COLOUR IMAGE PROJECTION USING SPATIAL LIGHT MODULATION AND LIGHT SOURCE MODULATION - The present invention relates to a method of operating a projection system comprising several solid state light sources (04-12-2012
20120086701Combined digital modulation and current dimming control for light emitting diodes - A method includes providing an input signal identifying a desired brightness for one or more LEDs to first and second parallel control paths. The method also includes generating a digital modulation control signal using the first control path, generating a current control signal using the second control path, and driving the one or more LEDs using the control signals. The method further includes performing compensation in at least one of the control paths to compensate for an increased efficiency of the one or more LEDs. Generating the control signals could include (i) adjusting the digital modulation control signal while maintaining the current control signal at a substantially constant value for a range of lower LED brightness values and (ii) adjusting the current control signal while maintaining the digital modulation control signal at a maximum value or within a range of maximum values for a range of higher LED brightness values.04-12-2012
20130207961DRIVING DEVICE, DISPLAY DEVICE INCLUDING THE SAME AND DRIVING METHOD THEREOF - A driving device includes a synchronization unit which receives a plurality of input control signals and a plurality of input image signals during a frame through a plurality of channels, where the synchronization unit generates and outputs a synchronization control signal of the plurality of input image signals based on the plurality of input control signals, and a signal controller which receives the plurality of input control signals and the synchronization control signal from the synchronization unit.08-15-2013

Patent applications in class Controlling the condition of display elements

Patent applications in all subclasses Controlling the condition of display elements