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Thin film tansistor (TFT)

Subclass of:

345 - Computer graphics processing and selective visual display systems

345030000 - PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT)

345055000 - Display elements arranged in matrix (e.g., rows and columns)

345084000 - Light-controlling display elements

345087000 - Liquid crystal display elements (LCD)

345090000 - Control means at each display element

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DocumentTitleDate
20090109157DOT-MATRIX DISPLAY REFRESH CHARGING/DISCHARGING CONTROL METHOD AND SYSTEM - A dot-matrix display data refresh charging/discharging control method and system is proposed, which is designed for integration to a dot-matrix display device for providing a data refresh charging/discharging control mechanism on the dot-matrix display device. The proposed method and system is characterized by the capability of prior to a data refresh action on each pixel, switching the pixel for connection to a voltage-neutralizing point for the purpose of neutralizing the current data voltage charge on the pixel to substantially approach zero voltage level; and subsequently during the data refresh action, charging a new data voltage into the pixel. This feature allows the operation of the dot-matrix display device to have faster speed and low power consumption.04-30-2009
20090195489Thin film transistor substrate having high aperture ratio and method of manufacturing same - An exemplary TFT substrate (08-06-2009
20130076611LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a first substrate including a first gate line and a second gate line, a storage capacitance line, a first source line and a second source line, a switching element, and a pixel electrode surrounded by the first gate line, the second gate line, the first source line and the second source line, the pixel electrode including a contact portion which is put in contact with the switching element, a first main pixel electrode and a second main pixel electrode, a second substrate including a common electrode and a liquid crystal layer held between the first substrate and the second substrate.03-28-2013
20090121996LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device is provided with: a number of gate signal lines and a number of drain signal lines formed so as to cross the gate signal lines provided on the surface of one of a pair of substrates provided so as to face each other with liquid crystal in between on the liquid crystal side; and thin film transistors connected to a gate signal line and a drain signal line, pixel electrodes to which a video signal is supplied from a drain signal line via a thin film transistor, and a counter electrode to which a reference signal which becomes a reference for the video signal is supplied via a counter voltage signal line provided in pixel regions surrounded by a pair of adjacent gate signal lines and a pair of adjacent drain signal lines, and is characterized in that the above described counter electrodes are formed of a transparent conductive film, the above described pixel electrodes are formed of a transparent conductive film and on the liquid crystal side relative to the above described counter electrodes via an insulating film, and the above described counter voltage signal lines are formed in the direction in which the above described gate signal lines run so as to overlap with the above described gate signal lines via the above described insulating film and be electrically connected to the above described counter electrodes via contact holes created in the above described insulating film.05-14-2009
20090121995LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A liquid crystal display (LCD) and method for driving the LCD using one or more polarity inversion methods is provided. In one embodiment, the invention relates to a method of driving an LCD comprising a liquid crystal panel partitioned by a plurality of gate lines and data lines and including a plurality of liquid crystal cells arranged in a matrix and auxiliary lines adjacent to and parallel to the gate lines, the auxiliary lines coupled with the plurality of liquid crystal cells, the method including supplying an auxiliary voltage that increases from a low level to a high level on a first pair of auxiliary lines adjacent to each other for a jth frame period, supplying an auxiliary voltage that decreases from a high level to a low level on a second pair of auxiliary lines adjacent to each other for the jth frame period, supplying the auxiliary voltages at levels opposite to the levels of the jth frame period on the first and second pairs of auxiliary lines in a (j+1)th frame period.05-14-2009
20100073273Liquid crystal panel and liquid crystal display device having the same - A liquid crystal panel with an improved picture-quality and an LCD device having the same are disclosed. The liquid crystal panel and the LCD device allows a distance between a pixel electrode and a data line not connected to a thin film transistor and another distance between the pixel electrode and another data line to be asymmetrically formed within a single pixel region. Accordingly, the vertical cross-talk can be minimized, and furthermore picture-quality can be improved.03-25-2010
20130082915ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device as an electro-optical device includes an image signal line which is supplied with an image signal, a data line, and sampling transistors (S-TFT) as first and second transistors which are electrically connected between the data line and the image signal line and supply the image signal to the data line, where at least two types of S-TFTs are provided so that the overlapping amounts where gate electrodes of the S-TFTs and first data line overlap are different. Due to this, parasitic capacitance occurs between the gate electrode and the data line, it is possible to adjust the structural parasitic capacitance of each data line by the overlapping amounts being different, and it is possible to improve the display irregularities in series as streaks.04-04-2013
20130082914LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate on which a thin film transistor is formed. The liquid crystal display device includes a first transistor which has a gate electrode thereof formed on a side more remote from the first substrate than a semiconductor layer and has a drain electrode thereof connected to the drain line, a second transistor which is connected to the first transistor in series, and has a source electrode thereof electrically connected to a pixel electrode, and a light blocking layer which is formed between the semiconductor layer and the first substrate and blocks a backlight incident from a first substrate side. The light blocking layer is formed in an overlapping manner on the first transistor, blocks a backlight incident on a first transistor side, and allows a backlight incident on a second transistor side to pass therethrough.04-04-2013
20130038518SIGNAL DISTRIBUTION CIRCUIT, SIGNAL DISTRIBUTION DEVICE, AND DISPLAY DEVICE - Disclosed is a signal distribution device which is provided with: supply lines (02-14-2013
20130038517TFT PIXEL UNIT - The present invention discloses a TFT pixel unit having a scan line, a first isolation layer, a data line, a source section, a semiconductor layer, a drain section and a pixel electrode. The first isolation layer is mounted on the scan line and covers an inner surface of the scan line. The data line and the scan line are isolatedly crossed with each other and define a pixel area. The drain section extends from a side of the data line and disposed on the first isolation layer. The semiconductor layer is mounted on a top surface of the drain section. The source section is mounted on a top surface of the semiconductor layer. The drain section, the semiconductor layer and the source section are adjacent to the inner surface of the scan line. The pixel electrode is mounted in the pixel area and connected to the source section. The date line, the drain section, the semiconductor layer and the source section construct a TFT switch having a vertically-stacked structure, which reduces the loss of aperture ratio.02-14-2013
20100109993LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display according to an embodiment includes: a substrate; a plurality of signal lines formed on the substrate; a thin film transistor connected to the signal lines; a pixel electrode connected to the thin film transistor; an insulating layer covering the signal lines and having a first contact hole exposing a first end of the signal lines; and a first bridge connected to the signal lines through the first contact hole. The first bridge is disposed on the edge of the substrate, and the cross-section of the first bridge is exposed in the side direction of the substrate. A method for manufacturing a display device according to an embodiment includes forming a signal line on a first substrate; forming a passivation layer on the signal line, the passivation layer including a contact hole exposing a portion of the signal line; forming a bridge on the contact hole; and coating a sealant on the contact hole.05-06-2010
20130027286LCD PANEL - The present invention discloses an LCD panel which includes a plurality of data lines and a plurality of scan lines, the data lines insulatingly intersecting the gate lines, thereby defining a pixel unit between an intersection between two of the plurality of gate lines and corresponding two of the plurality of data lines. Three adjacent scan lines intersect three adjacent data lines to define four pixel units which are designated as a pixel unit set. Two pixel units in one row of the pixel unit set are respectively coupled to two data lines in both sides of the three adjacent data lines, and two pixel units in the other row are coupled to the middle one of the three adjacent data lines. Power consumption of the LCD panel of the present invention is greatly reduced as compared with the conventional LCD panel.01-31-2013
20130069855LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device (03-21-2013
20130088418STEREOSCOPIC IMAGE DISPLAY - A stereoscopic image display includes a display panel, which selectively displays a 2D image and a 3D image and includes a plurality of pixels, and a patterned retarder for dividing light from the display panel into first polarized light and second polarized light. Each of the pixels includes a main display unit including a first pixel electrode and a first common electrode, a subsidiary display unit including a second pixel electrode and a second common electrode, and a line unit disposed between the main display unit and the subsidiary display unit. The line unit includes a gate line, a discharge control line through which a discharge control voltage is applied to a discharge control TFT, and a lower common line through which a common voltage is applied to an upper common line.04-11-2013
20110006975LIQUID CRYSTAL DISPLAY DEVICE - A display device having pixels disposed in a matrix and a pixel row in which a first pixel, a second pixel, a third pixel, and a fourth pixel are disposed in one direction, includes: a gate signal line having a first gate signal line to which the first pixel and the third pixel are connected and a second gate signal line to which the second pixel and the fourth pixel are connected; a drain signal line supplying a video signal to two pixel columns; and a storage line including a first storage line and a second storage line disposed so as to interpose the pixel row therebetween, wherein the first storage line and the second storage line are electrically connected to each other in a region where the drain signal line is not disposed, and a pixel electrode of each of the pixels has a portion overlapping with the drain signal line and a portion overlapping with the storage line.01-13-2011
20090267882Common voltage generator, display device including the same, and method thereof - The common voltage generator includes an operational amplifier and a plurality of switches. The operational amplifier is configured to amplify a difference between a first voltage and a second voltage and to output the amplified voltage as a common voltage. The plurality of switches are configured to transmit a third voltage and a fourth voltage as a power supply to the operational amplifier in a first voltage output mode and to transmit a fifth voltage and a sixth voltage as a power supply to the operational amplifier in a second voltage output mode.10-29-2009
20090237344Liquid crystal display with infrared detection layer and remote control display system with same - An exemplary liquid crystal display includes a thin film transistor (TFT) substrate, a color filter substrate opposite to the TFT substrate, and a liquid crystal layer sandwiched between the TFT substrate. The color filter substrate includes a plurality of color units and a first infrared detection layer arranged between the color units. The first infrared detection layer is configured to detect infrared light beams irradiating thereon and determine an irradiated position thereof. A remote control display system employing the liquid crystal display is also provided.09-24-2009
20090237343Liquid crystal display - This present invention provides a liquid crystal display (LCD) device in which the sub-pixel is provided with three different voltage levels, so that image quality is improved without the configuration of additional gate lines. The present invention overcomes the reduction of aperture ratio in conventional LCD devices due to the configuration of additional gate lines. By the present invention, the white washout problem relating to the off-axis viewing angle can be overcome while the aperture ratio is not reduced.09-24-2009
20090237342Liquid crystal display device - A liquid crystal display device which can enhance a numerical aperture is provided. In a so-called IPS-method liquid crystal display device, the pixel electrode is formed of a transparent conductive film having a planar shape which is formed in each pixel region on a first insulation film formed on the first substrate to cover the gate signal line, the counter electrode is formed of a transparent conductive film including plural linear portions arranged parallel to each other and a frame portion connecting end portions of the linear portions to each other, the transparent conductive film of the counter electrode being formed on a second insulation film formed on the first substrate to cover the pixel electrode, and the plurality of linear portions of the counter electrode being arranged on the pixel electrode in an overlapping manner, and assuming two pixels which are arranged adjacent to each other with the gate signal line formed as a boundary therebetween as a first pixel and a second pixel respectively, a gate-signal-line side of the pixel electrode of the first pixel is formed on a first-pixel side of the gate signal line in an overlapping manner, and a gate-signal-line side of the pixel electrode of the second pixel is formed on a second-pixel side of the gate signal line in an overlapping manner, and the gate-signal-line-side frame portion of the counter electrode of the first pixel and the gate-signal-line-side frame portion of the counter electrode of the second pixel are formed in common on the gate signal line in a striding manner.09-24-2009
20090237341Gate driving module and LCD thereof - A gate driving module drives a display device having a plurality of first switch units. The gate driving module includes a gate driving circuit, a switch controlling circuit, and a plurality of switch sets. The gate driving circuit includes a plurality of first output ends for outputting a plurality of gate driving signals. The switch controlling circuit includes a plurality of second output ends for outputting a plurality of switch controlling signals. Each switch set includes at least two second switch units. One end of each second switch unit is coupled to a corresponding first output end of the gate driving circuit, the other end of each second switch unit is coupled to the control end of a corresponding first switch unit, and the control end of each second switch unit is coupled to a corresponding second output end.09-24-2009
20090009458THIN FILM TRANSISTOR ARRAY PANEL AND DISPLAY APPRATUS HAVING THE SAME - A thin film transistor (TFT) array panel and a display device having the same are provided. The TFT array panel includes a substrate, an n−1th and an nth gate line formed on the substrate, a data line intersected with the n−1th gate line, a first source electrode overlapped with at least one portion of the n−1th gate line and connected to the data line, a first and a second drain electrode overlapped with at least one portion of the n−1th gate line and facing the first source electrode, a first sub pixel electrode electrically connected to the first drain electrode, a second sub pixel electrode electrically connected to the second drain electrode, a second source electrode overlapped with at least one portion of the nth gate line and electrically connected to the second sub pixel electrode, a third drain electrode overlapped with at least one portion of the nth gate line and facing the second source electrode, a third source electrode overlapped with at least one portion of the nth gate line, a fourth drain electrode overlapped with at least one portion of the nth gate line and facing the third source electrode, a third sub pixel electrode electrically connected to the fourth drain electrode; and a fourth sub pixel electrode capacitively coupled with the third sub pixel electrode.01-08-2009
20130162508Driving Circuit of a Liquid Crystal Panel and an LCD - A driving circuit for use in an LCD is proposed. The driving circuit includes a first clock signal input, a second clock signal input, a first TFT, and a controlling terminal. The controlling terminal is connected to a gate of the first TFT. The first TFT is placed between the controlling terminal and the first clock signal input. The controlling terminal is placed between the first TFT and the second clock signal input. A parasite capacitor is formed in the first TFT. The driving circuit further includes a suppression capacitor placed between the second clock signal input and the controlling terminal. The suppression capacitor is used for adjusting a potential of the controlling terminal in response to transitions of the first clock signal and the second clock signal. The present invention provides a simplified layout, occupies less side area of the LCD, and upgrades image quality of the LCD.06-27-2013
20130162509Thin-Film Transistor Liquid Crystal Display Device, Substrate,and Manufacturing Method - The present invention discloses a thin-film transistor liquid crystal display device, a substrate, and a manufacturing method. The thin-film transistor liquid crystal display device includes: a substrate and a signal line, a scan line, a pixel electrode, and a thin-film transistor that are formed on the substrate. The signal line and the scan line are arranged to intersect each other. The pixel electrode is located in a pixel display zone enclosed by the intersected signal line and scan line. The thin-film transistor includes a gate terminal, a source terminal, and a drain terminal. The gate terminal is electrically connected to the scan line. The drain terminal is electrically connected to the signal line. The source terminal is arranged at a position corresponding to the intersection of the signal line and the scan line and is electrically connected to the pixel electrode. With the above arrangement, the present invention can significantly reduce the amount of area of the pixel electrode occupied, increases the opening ratio of the pixel, and greatly reduces the influence on the alignment of the liquid crystal molecules thereby reducing asymmetry of the pixel quadrant and improving image quality.06-27-2013
20100045584Display Device and Method for Fabricating the Same - An inexpensive display device, as well as an electrical apparatus employing the same, can be provided. In the display device in which a pixel section and a driver circuit are included on one and the same insulating surface, the driver circuit includes a decoder 02-25-2010
20090309823ELECTRONIC DEVICE AND DRIVING METHOD THEREOF - A pixel is provided in which normal display of an image is possible even if a sustain period is shorter than an address period in a driving method combining digital gray scales and time gray scales, and in which operation can be compensated by changing the electric potential of a signal line even for a case in which the EL driver transistor becomes normally on due to deterioration. One of a source region and a dram region of an erasure TFT is connected to an electric current supply line, and the remaining one of the source region and the drain region is connected to a gate signal line. It is possible to change the voltage between a gate and a source of an EL driver TFT by changing the electric potential of the gate signal line so that the EL driver TFT is placed in a non-conducting state with certainty with this structure, even for cases in which the EL driver TFT becomes normally on due to a shift in the value of its threshold voltage.12-17-2009
20090309822Array substrate for in-plane switching mode liquid crystal display device - An array substrate for an in-plane switching mode liquid crystal display device includes a gate line on a substrate; a gate insulating layer on the gate line; first and second data lines on the gate insulating layer and crossing the gate line to define a pixel region; a first thin film transistor (TFT) in the pixel region and connected to the gate line and the first data line; a second TFT in the pixel region and connected to the gate line and the second data line; a passivation layer on the first and second data lines and the first and second TFTs; a first pattern connected to the first TFT and extending along the gate line; a plurality of first electrodes connected to the first pattern and spaced apart from each other, the plurality of first electrodes parallel to the first and second data lines; a second pattern extending to be parallel to the first pattern; a second electrode extending along the first data line and spaced apart from the first data line by a first distance; a third electrode connected to the second pattern and extending along the second data line, the third electrode connected to the second TFT and spaced apart from the second data line by a second distance; and a plurality of fourth electrodes connected to the second pattern and alternately arranged with the plurality of first electrodes, wherein the plurality of first electrodes and the plurality of fourth electrodes are disposed between the second and third electrodes.12-17-2009
20100123654LIQUID CRYSTAL DISPLAY DEVICE - To suppress a malfunction of a circuit due to deterioration in a transistor. In a transistor which continuously outputs signals having certain levels (e.g., L-level signals) in a pixel or a circuit, the direction of current flowing through the transistor is changed (inverted). That is, by changing the level of voltage applied to a first terminal and a second terminal (terminals serving as a source and a drain) every given period, the source and the drain are switched every given period. Specifically, in a portion which successively outputs signals having certain levels (e.g., L-level signals) in a circuit including a transistor, L-level signals having a plurality of different potentials (L-level signals whose potentials are changed every given period) are used as the signals having certain levels.05-20-2010
20120026076LIQUID CRYSTAL DISPLAY PANEL AND METHOD FOR REPAIRING SIGNAL LINE THEREOF - A display panel and a method for repairing signal lines thereof are disclosed. The display panel includes at least one shorting bar, switches, and auxiliary repair lines. The switches are electrically coupled respectively to signal lines and the at least one shorting bar. Both ends of each of the auxiliary repair lines overlap one of connections between the switches and the at least one shorting bar. When a signal line is damaged, the method for repairing includes: breaking off each of the connections between the switches and the at least one shorting bar by cutting; and welding both ends of one of the auxiliary repair lines which correspond to the damaged signal line with both sides of one of the connections which correspond to the damaged signal line.02-02-2012
20080309605Liquid crystal display and method of testing the same - A liquid crystal display is capable of detecting a failure of a gate driver, and a method of testing the same are provided. The liquid crystal display includes a liquid crystal display panel on which liquid crystal cells connected to thin film transistors (TFTs) located at crossings between gate lines and data lines are formed, a data driver that drives the data lines of the liquid crystal display panel, and a gate driver which includes first to nth stages (n is a natural number larger than 1) formed on the liquid crystal display panel that generates normal scan signals for turning on the TFTs in a normal mode, and that generates test scan signals for turning off the TFTs in a test mode.12-18-2008
20110215994LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display (LCD) device is disclosed. The LCD device includes a noise removal unit configured to reduce noise coupled to the data lines.09-08-2011
20090015534Semiconductor device and electronic device - A channel forming region of a thin-film transistor is covered with an electrode and wiring line that extends from a source line. As a result, the channel forming region is prevented from being illuminated with light coming from above the thin-film transistor, whereby the characteristics of the thin-film transistor can be made stable.01-15-2009
20100117944LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display panel includes a display region, a periphery circuit region, a joint obligate region, a plurality of first test thin-film transistors (TFTs), a plurality of second TFTs, a plurality of first lines, a plurality of second lines, a blank region, and at least one first adjustment TFT. The first and second test TFTs are disposed on the joint obligate region according to a regular distance. Each of the first and second test TFTs has a transistor width. The first adjustment TFT is disposed on the blank region. The width of the blank region is not smaller than the sum of the twice regular distance and the transistor width. Thereby, the present invention can prevent the band mura of the liquid crystal display panel effectively when the liquid crystal display panel is in testing.05-13-2010
20080266229PIXEL STRUCTURE AND DRIVING METHOD THEREOF - A pixel structure includes a first scan line, a second scan line, a third scan line, a data line, a first thin film transistor (TFT), a second TFT, a third TFT, a first pixel electrode and a second pixel electrode. Particularly, the second scan line and the third scan line are electrically connected with each other. The first TFT is electrically connected with the first scan line and the data line. The second TFT is electrically connected with the first TFT and the second scan line. Furthermore, the third TFT is electrically connected with the third scan line and the data line. In addition, the first pixel electrode and the second pixel electrode are respectively electrically connected with the second TFT and the third TFT.10-30-2008
20100079363Liquid Crystal Panel, Liquid Crystal Display Apparatus and Driving Apparatus of Liquid Crystal Panel - A liquid crystal display apparatus includes M data lines arranged in columns, N scanning lines arranged in rows, and pixels determined by intersection of the M data lines and the N scanning lines. M and N are integers greater than 1. The N scanning lines are divided into 2K scanning line groups; K is an integer greater than or equal to 1; and the scanning lines in each scanning line group are connected with pixels having the same polarity. The liquid crystal display apparatus further includes: 2K driving components, each of which corresponding to one scanning line group and being configured to provide a plurality of levels of outputs, each level of outputs being connected with one scanning line in the scanning line group to activate the scanning line. Thus, power consumption can be saved effectively.04-01-2010
20100085292LIQUID CRYSTAL DISPLAY HAVING DUAL DATA SIGNAL GENERATION MECHANISM - A liquid crystal display having dual data signal generation mechanism is disclosed for simplifying the display structure and retaining high display quality. The liquid crystal display includes a dual data signal generator, a preliminary data line, a first data line, a second data line, and a pixel unit. The dual data signal generator functions to convert a preliminary data signal, received from the preliminary data line, into a first data signal and a second data signal. The first and second data signals are furnished to the first and second data lines respectively. The pixel unit includes a first sub-pixel unit and a second sub-pixel unit. The first sub-pixel unit is coupled to the first data line for receiving the first data signal. The second sub-pixel unit is coupled to the second data line for receiving the second data signal.04-08-2010
20090243985CONTACT STRUCTURE OF CONDUCTIVE FILMS AND THIN FILM TRANSISTOR ARRAY PANEL INCLUDING THE SAME - A thin film transistor array panel is provided, which includes: a display cell array circuit including a plurality of gate lines, a plurality of data lines, a plurality of thin film transistors, and a plurality of pixel electrodes; a gate driving circuit supplying gate signals to the gate lines; and a signal line connected to the gate driving circuit and including first and second line segments separated from each other and a connection member connected to the first and second line segments through at least a contact hole exposing at least one of the first and the second line segments.10-01-2009
20090289884DISPLAY DEVICE - In a display device having a plurality of scan signal line driving circuits, its display quality is improved. The display device comprises a plurality of scan signal lines, a plurality of image signal lines, and a plurality of scan signal line driving circuits for generating scan signals for driving the scan signal lines. Each of the scan signal line driving circuit internally generates a driving signal having the waveform of such potential variation that the potential decreases with a slope from a high potential to an intermediate potential between the high potential and a low potential. Each of the scan signal line driving circuits further includes a signal wiring for connecting the scan signal line driving circuits to one another and applying the driving signal.11-26-2009
20090295698DISPLAY APPARATUS - A display apparatus having a plurality of scanning lines and a plurality of signal lines is provided. A plurality of first pixels are arranged between first and second scanning lines adjacent to each other, and arranged near at least some of the signal lines. A plurality of second pixels are arranged, some on one side of the signal line arranged near the first pixels, and the others on the other side of the signal. A plurality of first switching elements are connected to the first pixels, to the signal line near the first pixels and to the first scanning line. A plurality of second switching elements are connected to the second pixels and to the signal line near the first pixels. A plurality of third switching elements are connected to the second switching elements, to the first scanning line and to the second scanning line.12-03-2009
20090262058DISPLAY APPARATUS HAVING REDUCED KICKBACK VOLTAGE - A display apparatus includes; a display panel including a plurality of data lines which receive a data signal, a plurality of gate lines which receive a gate signal and a plurality of pixels, a data driving circuit which provides the data liens with the data signal, and a gate driving circuit which sequentially applies the gate signal to the plurality of gate lines, wherein an area between an i10-22-2009
20090295700Display Device - A display device includes a display region which is constituted of a plurality of partial regions, and drive circuits which are connected to a plurality of video signal lines for respective partial regions. The video signal lines and the drive circuits are connected with each other via relay lines. A center line of the drive circuit and a center line of the partial region are arranged at positions displaced from each other, and the relay lines have a bent portion between the drive circuit and the video signal lines. By forming the bent portion on the relay line, the line resistances of the relay lines can be adjusted thus decreasing display irregularities generated by the positional displacement of the drive circuit.12-03-2009
20090295701Display Device and Manufacturing Method Thereof - A display device which surely allows the black-spot-forming correction at the time of forming an opening portion in a portion of a scanning signal line where a scanning signal line and a video signal line intersects each other and forming a semiconductor layer and a conductor layer by a resist flow method is provided. A scanning signal line which forms an opening portion in a portion thereof which intersects a video signal line, an insulation film, a semiconductor layer which covers a region which spreads larger than a conductor layer, and the conductor layer are sequentially stacked. The conductor layer includes the video signal line, a drain electrode and a source electrode of a thin film transistor, and a connecting line which connects the video signal line and the drain electrode. The connecting line is branched from the video signal line over the opening portion, and the opening portions is formed in a projecting manner toward both edges of the scanning signal line such that a width of the opening portion in the direction which intersects the connecting line is set larger than a width of the semiconductor layer.12-03-2009
20090295699DRIVE CIRCUIT, ACTIVE MATRIX SUBSTRATE, AND LIQUID CRYSTAL DISPLAY DEVICE - Off-leak current of a TFT, required for a drive circuit configured with a TFT of a single conductivity type, is realized with simple manufacturing steps. The impurity concentration of a source region and a drain region of a TFT is set between 2*1012-03-2009
20090295697Liquid crystal display panel - A liquid crystal display (LCD) panel includes scanning lines to receive scanning signals, data lines to receive data signals; and pixel pairs. Each pixel pair includes a first pixel and a second pixel. The first pixel includes a first thin film transistor (TFT), and the second pixel includes a second TFT. The first pixel and the second pixel of each pixel pair are arranged on two sides of the data line in each row, and connected to a single data line via the first TFT and the second TFT respectively. One of the two TFTs is a p-type TFT, and the other one is an n-type TFT.12-03-2009
20090295696DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE - A display device which can ensure the correction of a black spot, for example, in forming an opening portion in a portion of a scanning signal line where the scanning signal line intersects a video signal line and forming a semiconductor layer and a conductor layer by a resist reflow method is provided. A conductor layer includes a video signal line, a drain electrode, a source electrode, and a connecting line. A semiconductor layer is formed so as to cover at least a region of the insulation film which is larger than a region where the video signal line and the connecting line are formed. The connecting line is connected with the video signal line over an opening portion which is formed in the scanning signal line. A cutout portion, a projecting portion or an enlarged-width portion is formed on the video signal line and/or the connecting line in a region which corresponds to the opening portion or in the vicinity of the region.12-03-2009
20090295695Display Apparatus, Pixel Structure and Driving Method Thereof - A display apparatus, pixel structure and drive method thereof are provided. The display apparatus comprises a gate drive chip, a first gate line, a second gate line, a first pixel unit, and a second pixel unit. The gate driver is configured to generate a first gate drive signal and a second gate drive signal. The first and second gate drive signals are outputted to the first and second gate lines, respectively. Furthermore, the first and second gate drive signals are configured to adjust a first feed through (FT) voltage generated by a first pixel area of the first pixel unit, a second FT voltage generated by a second pixel area of the first pixel unit, a third FT voltage generated by a first pixel area of the second pixel unit, and a fourth FT voltage generated by a second pixel area of the second pixel unit.12-03-2009
20110205144Semiconductor Device and Driving Method Thereof - Brightness irregularities that develop in a light emitting device due to is persion among pixels in the threshold values of TFTs used for supplying electric current to light emitting devices become obstacles to improved image quality of the light emitting device. As an image signal input to a pixel from a source signal line, a desired electric potential is applied to a gate electrode of a TFT for supplying electric current to an EL device, through a TFT having its gate and drain connected to each other. A voltage equal to the TFT threshold value is produced between the source and the drain of the TFT 08-25-2011
20100103087THIN FILM TRANSISTOR ARRAY PANEL AND LIQUID CRYSTAL DISPLAY INCLUDING THE PANEL - A thin film transistor array panel according to an embodiment of the present invention includes: a substrate; a gate line disposed on the substrate and extending in a first direction; a capacitive electrode separated from the gate line and elongated in a second direction; a data line intersecting the gate line; a thin film transistor connected to the gate line and the data line and including a drain electrode; a coupling electrode overlapping the capacitive electrode and connected to the drain electrode; and a pixel electrode including at least one first subpixel electrode connected to the drain electrode and a second subpixel electrode connected to the capacitive electrode and spaced apart from the at least first subpixel electrode by a gap that overlaps the capacitive electrode or the coupling electrode.04-29-2010
20100103086Liquid crystal display panel for performing polarity inversion therein - A liquid crystal display panel includes a display area. The display area includes a first scanning line, two second scanning lines, and a number of pixel units arranged in two rows and a number of columns. The number of columns include a number of first columns and a number of second columns arranged alternately. The pixel units arranged in the number of first columns are controlled via the first scanning line, and the two pixel units arranged in each of the number of second columns are controlled via the two second scanning lines correspondingly.04-29-2010
20100060560LARGE AREA ELECTRONIC SHEET AND PIXEL CIRCUITS WITH DISORDERED SEMICONDUCTORS FOR SENSOR ACTUATOR INTERFACE - A pixel circuit including a first transistor; a second transistor, the first transistor and the second transistor serially coupled between a first power supply terminal and a second power supply terminal; and a first capacitor coupled between a gate of the first transistor and a gate of the second transistor, and an electronic sheet including the same.03-11-2010
20100201612PHOTORECEPTOR WITH A TFT BACKPLANE FOR XEROGRAPHY WITHOUT A ROS SYSTEM - Systems and methods are described that facilitate eliminating a need for a raster output scanner (ROS) or laser when generating a latent image on a photoreceptor. An addressable backplane is employed, comprising an array of field effect transistors (e.g., silicon or organic thin film transistors, or TFTs), wherein each TFT corresponds to a single pixel on a charge transport layer on the photoreceptor surface. Latent image formation is performed by forming a surface potential using corona charging, and then directing free charge carriers toward the photoreceptor surface to reduce electrostatic potential in areas that need to be toned. TFTs in the array are individually addressed, or selected, to connect to a common ground, which allows photodischarge to occur only in selected areas (e.g., pixels associated with the selected TFTs). Once the array of TFTs is addressed, an LED light source emits light over the surface of the photoreceptor, and only the selected (grounded) TFTs permit their associated pixels to discharge. In this manner, a latent image is formed without a need for a bulky and expensive ROS.08-12-2010
20100134397LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal display device suitable for a thin film transistor which uses an oxide semiconductor. In a liquid crystal display device which includes a thin film transistor including an oxide semiconductor layer, a film having a function of attenuating the intensity of transmitting visible light is used as an interlayer film which covers at least the oxide semiconductor layer. As the film having a function of attenuating the intensity of transmitting visible light, a coloring layer can be used and a light-transmitting chromatic color resin layer is preferably used. An interlayer film which includes a light-transmitting chromatic color resin layer and a light-blocking layer may be formed in order that the light-blocking layer is used as a film having a function of attenuating the intensity of transmitting visible light.06-03-2010
20080284703METHOD AND APPARATUS TO GENERATE CONTROL SIGNALS FOR DISPLAY-PANEL DRIVER - A method to generate control signals for a display-panel driver, which needs to receive a set of predetermined number of input signals so as to output a set of control signals. The method includes starting with a reset process. The display-panel driver receives a first part of the set of input signals through multiple input terminals. At least two of the input terminals are used as secondary input terminals, and at least two enabling input signals of different definitions are input, respectively. The enabling input signals internally enable a control signal generator to generate a second part of the set of input signals. The second part of the set of input signals and the first part of the set of input signals form a complete set of input signals. When a serial data of the input signals cannot satisfy the predetermined format, the method goes back to the reset process.11-20-2008
20080291145LIQUID CRYSTAL DISPLAY PANEL, THIN FILM TRANSISTOR ARRAY SUBSTRATE AND CURING LINE STRUCTURE FOR PHASE SEPARATION ALIGNMENT PROCESS - The present invention discloses a liquid crystal display panel, a thin film transistors array substrate and curing line structure thereof in use of phase separation alignment (PSA) process. The curing line structure has a contact pad allocated on a periphery area of the substrate, and a transmission line extending from the contact pad, passing over a sealant-distributing area of the substrate, to be electrically connected with at least one common line located on a pixel expression area of the substrate. A predetermined interval is kept between the transmission line and each of the adjacent transmission lines on the substrate to ensure a non-electrical contact between the transmission line and the adjacent transmission lines.11-27-2008
20080303770Liquid Crystal Display Device - A counter voltage supply circuit has an inverting amplifier that inversely amplified a voltage detected from a specified part of a counter electrode of a liquid crystal display panel and supplies the amplified voltage to a counter voltage supply end of the counter electrode. The inverting amplifier includes an operational amplifier having a feedback resistor connected between an inverting input terminal and an output terminal. The feedback resistor includes a first resistor, and n resistors each of which is connected parallel to the first resistor via a switching element. As the n switching elements are selectively turned on and off by a switching element control circuit in accordance with a scanning position, the resistance value of the feedback resistor is varied and the gain of the operational amplifier is changed. Cross-talk due to coupling noise to the counter electrode generated by AC driving of a video voltage and deterioration in display quantity of a display image on the liquid crystal display panel can be prevented.12-11-2008
20080246716Display Device - To provide a display device which can ensure high reliability of a driver circuit even when a threshold voltage of a TFT shifts. The display device includes a power supply control circuit which can apply a forward bias voltage or a reverse bias voltage to a gate of a transistor included in an output circuit, a monitor transistor which is formed to monitor the amount of change of a threshold voltage of the transistor included in the output circuit, and a threshold control circuit which controls the power supply control circuit so as to apply the reverse bias voltage to the gate of the transistor in order to compensate the threshold voltage of the transistor included in the output circuit.10-09-2008
20080316158Driving Method and Apparatus for an LCD Panel - A driving method for an LCD panel includes generating a sequence, generating a plurality of gate driving signals, determining a gate-on sequence of the plurality of gate driving signals according to the sequence, and driving pixels of the LCD panel using the plurality of gate driving signals according to the gate-on sequence for displaying images.12-25-2008
20080303769IMAGE DISPLAY DEVICE AND DRIVE CIRCUIT - The present invention aims to provide an image display device capable of reducing power consumption, and a drive circuit used in the same. The present invention relates to an image display device including signal lines, scanning lines, lines, transistors, capacitances, and a drive circuit. The drive circuit of the image display device has configuring active elements of a same conductivity type and has the active elements simultaneously formed on a same substrate as said transistor; and includes switching circuits for generating a first switching signal and a second switching signal for switching a voltage level of a drive signal based on a predetermined signal, and outputting the signals, an output level holding circuit for holding the voltage levels of the first switching signal and the second switching signal for a predetermined period based on a repeating signal, and an output circuit for generating the drive signal based on the first switching signal and the second switching signal, and outputting the drive signal to the line.12-11-2008
20080291146Liquid crystal display with coupling line for adjusting common voltage and driving method thereof - An exemplary liquid crystal display includes parallel data lines, a data driver configured for driving the data lines, a coupling line crossing the data lines, a common electrode layer, and a common voltage generator configured for applying common voltages to the common electrode layer. The common voltage generator is connected to the coupling line. When data driver applies a plurality of data signals to the data lines, the data signals generate an influence signal at the coupling line. The common voltage generator adjusts common voltages applied to the common electrode layer according to the influence signal. A related method for driving the liquid crystal display is also provided.11-27-2008
20130215003DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - In a display apparatus having a plurality of pixel parts, each pixel part receives a data signal in response to a present gate signal and charges first and second pixel voltages having the same voltage level. A plurality of voltage controllers includes a level-down part to lower a voltage level of the second pixel voltage using a previous pixel voltage charged in a previous frame in response to a next gate signal and a level-up part to receive the lowered second pixel voltage in response to the next gate signal to boost up a voltage level of the first pixel voltage.08-22-2013
20130120230Flat Display Panel And A Method Of Repairing The Same - A flat display panel and a method of repairing the same are proposed. The flat display panel includes a plurality of repairing lines parallel to data lines. The plurality of repairing lines are disposed at one side of a plurality of pixel electrodes one on one. When one of the plurality of data lines is broken, repairing lines form an electrical bypass route for circumventing a gap in the broken data line. Thus, a signal can be normally transmitted to the pixel electrode through the electrical bypass route.05-16-2013
20090184911DISPLAY DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC DEVICE USING THE DISPLAY DEVICE - A display device is provided in which a signal line can be shared by a plurality of pixels and data supplied from scan lines can be distributed to a desired pixel selected from the plurality of pixels. The display is characterized in its circuit structure of the plurality of pixels, which allows the signal line to be shared by neighboring three pixels. This circuit structure results in the reduction of the number of signal lines and the simplification of the structure of the signal line driver circuit, which contributes to the reduction of the power consumption and miniaturization of the signal line driver circuit. The detailed structure of the display device is defined in the specification.07-23-2009
20090174642Liquid crystal display device and driving method thereof - A liquid crystal display (LCD) device and a driving method can produce reduced direct current image sticking and flicker. An LCD panel for the LCD device has liquid crystal cells having a common same color in each horizontal line and has columns of liquid crystal cells having a repeating sequence of color, a timing controller for generating a polarity control signal such that the polarity control signal is varied at intervals of one frame period, a data driving circuit supplying data voltages to the data lines in response to the polarity control signal, and a gate driving circuit supplying scan pulses to the gate lines. The liquid crystal cells include first liquid crystal cell groups supplied with data voltages having polarities inverted from polarities the previous frame period, and second liquid crystal cell groups supplied with data voltages having polarities identical to the polarities supplied in the previous frame period.07-09-2009
20090184910CIRCUIT BOARD AND DISPLAY DEVICE INCLUDING THE SAME - One or more embodiments of the present disclosure relate to a circuit board having a substrate and a plurality of differential signal lines formed on the substrate and transmitting differential signals. The differential signal lines include a first signal line and a second signal line. The first signal line and the second signal line extend along at least two paths that are parallel to each other. The paths of the first signal line and the second signal line switch at path change portions, and the path change portions of neighboring differential signal lines are positioned at different distances away from an edge of the circuit board along the length direction of the differential signal line.07-23-2009
20080316159Liquid crystal display device with scanning controlling circuit and driving method thereof - A liquid crystal display (LCD) device includes a liquid crystal panel, a gate driver, gate lines, a data driver, and a scanning controlling circuit. The gate driver is configured for providing scanning signals to the gate lines. The scanning controlling circuit is connected between the gate driver and the gate lines and controls the gate driver to scan the odd-row gate lines in a first half-frame time, and scan the even-row gate lines in a second half-frame time.12-25-2008
20090051639Method and device for reducing voltage stress at bootstrap point in electronic circuits - A discharging device is used to reduce the voltage level at a bootstrap point in an electronic circuit such as a shift register circuit. In such a circuit, a first transistor in a conducting state receives an input pulse and conveys it to the gate terminal of a second transistor, causing the second transistor to be in a conducting state. This gate terminal is known as a bootstrap point. After receiving the input pulse, an output pulse is produced at one drain/source terminal of the second transistor. During the time period of the output pulse, the first transistor is in a non-conducting state and the voltage level at the bootstrap point is high, imposing a stress upon the first transistor. A discharging circuit consisting of at least one transistor is coupled to the bootstrap point in order to reduce the voltage level at the output pulse period.02-26-2009
20090051640Display Device - A flexible display device bendable in a certain direction is realized. R, G, and B pixels are arranged in a mosaic pattern. The display is bendable in a first direction, but is not assumed to be bent in a second direction. A data line extends in the first direction and a select line extends in the second direction. In order to prevent accumulation of distortion in the data line and breakage of the data line when the display is bent in the first direction, the data line is formed into a crank shape. Accordingly, even when the display is bent, an amount of distortion accumulated in the data line corresponds to only a length thereof in the first direction, and therefore, the distortion can be reduced. As a result, breakage of a wire in a flexible display can be prevented.02-26-2009
20120169577ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure provides an array substrate for a thin film transistor liquid crystal display (TFT-LCD), comprising: a base substrate having gate lines and data lines intersecting with each other to define sub-pixel units, each comprising a thin film transistor, a common electrode, a first pixel region and a second pixel region, wherein the first pixel region includes a first pixel electrode connected to the common electrode and a second pixel electrode connected to a drain electrode of the thin film transistor, and the first pixel electrode is on a same layer as and insulated from the second pixel electrode, and wherein the second pixel region includes a third pixel electrode connected to the common electrode and a fourth pixel electrode connected to the drain electrode, which are on a same layer and spaced apart from each other by a second local opening.07-05-2012
20090015533LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device including a plurality of scanning lines, a plurality of data lines, a plurality of pixel electrodes, a capacitor electrode, a control circuit, a scanning line driving circuit, and a data line driving circuit.01-15-2009
20090102775LOW POWER DRIVING METHOD AND DRIVING SIGNAL GENERATION METHOD FOR IMAGE DISPLAY APPARATUS - By a low power consumption driving method for an image display apparatus, unusual display may be prevented even if gate driving is not enough. When a rising edge of an output enable pulse is detected, a logic LOW gate driving signal is discharged to GND. When a falling edge of the output enable pulse is detected, the gate driving signal at GND is charged to logic HIGH. When a rising edge of the next output enable pulse is detected, the gate driving signal at logic HIGH is discharged to GND. When a falling edge of the next output enable pulse is detected, the gate driving signal at GND is charged to logic LOW. The image display apparatus is driven by the generated gate driving signals.04-23-2009
20090102773LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes thin film transistors (TFTs) respectively coupled to different gate lines and to a pixel electrode and a direction control electrode, and to which different gate-off voltages are respectively applied. Alternatively, a reduced gate voltage is applied to the pixel electrode TFT according to a coupling capacitance. Alternatively, the pixel and direction control TFTs are coupled to the same gate line, and portions of a gate insulating layer are formed with different thicknesses. Resulting differences in the voltages respectively applied to the two TFTs or in the electric fields respectively applied to the two electrodes prevent leakage current of the direction control electrode TFT, thereby enabling stable multi-domains to be implemented in the LCD without applying a high voltage.04-23-2009
20090213057DISPLAY DEVICE - Provided is a display device including a level shift circuit, which includes a thin film transistor having a polycrystalline semiconductor layer, and which realizes a reliable operation even when a threshold of the thin film transistor varies. The display device includes: a board; and the level shift circuit which includes the thin film transistor having the polycrystalline semiconductor layer, and is formed on the board, in which the level shift circuit includes: a plurality of source-input level shift circuits including a plurality of unit level shift circuits having drain resistors different in value from one another; and a selection circuit, which selects one of outputs from the plurality of unit level shift circuits as an output from a normally operated unit level shift circuit.08-27-2009
20100177027LIQUID CRYSTAL DEVICE AND METHOD OF DRIVING LIQUID CRYSTAL DEVICE - A liquid crystal device comprising: at least a liquid crystal element having a pair of substrates with electrodes on the inner sides thereof and a liquid crystal material disposed between the substrates, and a charge supplier for supplying electric charge to the liquid crystal element. The alignment of the liquid crystal molecules in the liquid crystal element is controlled in response to a change in the electric charge quantity to be supplied between the pair of electrodes from the charge supplier. A liquid crystal device, whose display quality can be substantially maintained at a high optical response speed, and a driving method thereof can be provided.07-15-2010
20100225570LIQUID CRYSTAL DEVICE WITH MULTI-DOT INVERSION - An LCD device includes a plurality of data lines, a plurality gate lines, a pixel matrix, and a source driver. The pixel matrix includes an mth pixel column and an (m+1)th pixel column. The odd-numbered pixels of the mth pixel column are coupled to an mth data line and corresponding odd-numbered gate lines. The even-numbered pixels of the mth pixel column is coupled to an (m+1)th data line and corresponding even-numbered gate lines. The odd-numbered pixels of the (m+1)th pixel column is coupled to the (m+1)th data line and corresponding odd-numbered gate lines. The even-numbered pixels of the (m+1)th pixel column is coupled to an (m+2)th data line and corresponding even-numbered gate lines. The gate driver outputs the data driving signals having a first polarity to the odd-numbered data lines, and outputs the data driving signals having a second polarity to the even-numbered data lines.09-09-2010
20110057868LIQUID CRYSTAL DISPLAY CAPABLE OF SWITCHING COMMON VOLTAGE - A liquid crystal display capable of switching the common voltage includes a display panel and a printed circuit board. The display panel includes a plurality of scan lines, a plurality of data lines, and a plurality of pixels. Each pixel includes a transistor, a storage capacitor, and a liquid crystal capacitor. The first ends of the storage capacitor and the liquid crystal capacitor are electrically connected to the transistor. The second end of the liquid crystal capacitor is electrically connected to a common voltage source. The printed circuit board includes a switcher for switching the second end of the storage capacitor electrically connecting to common voltage source, an analog voltage source, or a ground.03-10-2011
20100253610DISPLAY APPARATUS - A display apparatus comprises a first thin film transistor (TFT) and a second TFT which are disposed in a display area. A first signal transmission line is disposed in a peripheral area surrounding the display area and is electrically connected to the first TFT. A second signal transmission line adjacent to the first signal transmission line is electrically connected to the second TFT. In a first portion of the peripheral area, the first signal transmission line is parallel to the second signal transmission line and is spaced by a first gap from the second signal transmission line. In a second portion of the peripheral area, the first signal transmission line is parallel to the second signal transmission line and is spaced by a second gap from and the second signal transmission line. The second gap is greater than the first gap. Other features are also provided.10-07-2010
20120194414LIQUID CRYSTAL DISPLAY - A liquid crystal display to prevent light leakage with an improvement of aperture ratio and a reduction of load of a data line is provided. The liquid crystal display includes a gate line and a storage electrode line formed on a insulating substrate and apart from each other, a first data line and a second data line intersecting the gate line, a first pixel electrode defined by the gate line and the first data line, and a second pixel electrode defined by the gate line and the second data line and neighboring the first pixel electrode. Also, a blocking electrode between the first pixel electrode and the second pixel electrode is included, wherein at least portion of the first data line is disposed under the first pixel electrode, and at least portion of the blocking electrode is disposed under the second pixel electrode and apart from the first data line.08-02-2012
20090040159Display driver, display device, and drive method - A display driver including: a data line driver circuit which drives an output line based on a drive voltage corresponding to display data; a first switching element connected between a first power supply line and the output line; a second switching element connected between a second power supply line and the output line; and a switch control circuit which controls the first and second switching elements. The lengths of first and second periods are determined based on at least part of the display data in a horizontal scanning period which is immediately before a current horizontal scanning period. The first and second switching elements are respectively turned ON and OFF in the first period, and are respectively turned OFF and ON in the second period. After the second period, the first and second switching elements are turned OFF, and the output line is driven by the data line driver circuit.02-12-2009
20090073100SIGNAL TRANSMISSION FILM AND A LIQUID CRYSTAL DISPLAY PANEL HAVING THE SAME - A liquid crystal display of compact size is disclosed. The liquid crystal display has a signal transmission film and a single integrated PCB for processing a gate driving signal and data driving signal. The signal transmission film includes a base substrate, a gate driver IC formed on said base substrate, an input pattern formed on said base substrate that applies gate driving signals input from an external device to the gate driver IC, a first output pattern formed on said base substrate that outputs a first gate driving signal processed in said gate driver IC, and a second output pattern formed on said base substrate, that outputs a second gate driving signal bypassing the gate driver IC among the gate driving signals.03-19-2009
20090153459Picture element structure of current programming method type active matrix organic emitting diode display and driving method of data line - The present invention provides a novel structure of picture elements in current programming-type semiconductor devices, and in particular, the structure of picture elements of an active matrix organic light emitting diode (OLED) display. The device makes a self-compensation for OLED current deviations due to the deterioration in threshold voltage and uneven electric characteristic in thin film transistors. The invention also provides a method for driving a data driver capable of compensating for the uneven electric characteristic of thin film transistors in the driver for driving picture elements in the current programming-type active matrix OLED display device. 06-18-2009
20090167663Liquid Crystal Display Apparatus and Bandgap Reference Circuit Thereof - A liquid crystal display apparatus comprises a system-on-glass (SOG) and a bandgap reference (BGR) circuit. The BGR circuit, which is formed on the SOG, comprises a current mirror set and a diode set. The current mirror set is configured to generate a plurality of fixed currents. The diode set, which is formed by a plurality of diode-connected thin film transistors (TFT), is configured to generate a BGR voltage according to the fixed currents.07-02-2009
20080278425Light-Emitting Device and Electronic Equipment Using the Same - A pixel suitable for constant current operation of an active matrix type EL display device. The pixel comprises a first switch of which one terminal is connected to a source signal line whereas another terminal is connected to a current-voltage conversion element, a second switch of which one terminal is connected to the current-voltage conversion element whereas another terminal is connected to a voltage storage means and a voltage-current conversion element, a pixel electrode which is connected to the current-voltage conversion element and the voltage-current conversion element, and a third switch of which one terminal is connected to the pixel electrode whereas another terminal is connected to the power source line.11-13-2008
20080278424DISPLAY PANEL - In a display panel including a plurality of pixels, each pixel includes a first thin film transistor, first and second liquid crystal capacitors, a coupling capacitor, and a discharge circuit. The first liquid crystal capacitor is connected to a data line through the first thin film transistor. The second liquid crystal capacitor is connected in parallel to the first liquid crystal capacitor through the coupling capacitor. The discharge circuit is connected between the coupling capacitor and the second liquid crystal capacitor, and it discharges charges stored in the second liquid crystal capacitor.11-13-2008
20100134398DISPLAY DEVICE - A display device includes a plurality of thin-film transistors formed on a substrate on which a display area is formed. The display device also includes a gate electrode, a gate insulating film formed so as to cover the gate electrode, an semiconductor layer in an island shape formed on an upper surface of the gate insulating film so as to superimpose the gate electrode without protruding from the gate electrode when viewed planarly, an insulating film formed so as to cover the semiconductor layer, and a pair of electrodes electrically connected to the semiconductor layer respectively through a pair of through holes that are formed at the insulating film. The semiconductor layer is formed by sequentially laminating a crystalline semiconductor layer and an amorphous semiconductor layer. The pair of electrodes is respectively formed by sequentially laminating a semiconductor layer doped with impurities and a metal layer.06-03-2010
20100134396DISPLAY DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME - It is an object to decrease the number of transistors connected to a capacitor. In a structure, a capacitor and one transistor are included, one electrode of the capacitor is connected to a wiring, and the other electrode of the capacitor is connected to a gate of the transistor. Since a clock signal is input to the wiring, the clock signal is input to the gate of the transistor through the capacitor. Then, on/off of the transistor is controlled by a signal which synchronizes with the clock signal, so that a period when the transistor is on and a period when the transistor is off are repeated. In this manner, deterioration of the transistor can be suppressed.06-03-2010
20090079684ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME - An electro-optical device includes a pixel circuit with a driving transistor element, a storage capacitor, and a capacitive element. The driving transistor element is electrically connected to a corresponding data line and a corresponding driving electrode. The storage capacitor is electrically connected to the driving transistor element and the driving electrode. The storage capacitor holds an image signal supplied through the corresponding data line as potential at the driving electrode. The capacitive element is electrically connected to the driving transistor element and the driving electrode. The capacitive element compensates for a change in the potential of the driving electrode when the driving transistor element is switched from a selection state to a non-selection state. The capacitive element is supplied with a correction signal that defines timing at which the potential of the capacitive element is controlled.03-26-2009
20110122055LIQUID CRYSTAL DISPLAY WITH DOUBLE DATA LINES - A liquid crystal display (LCD) includes a liquid crystal panel including a plurality of parallel scanning lines, a plurality of parallel data lines having a plurality of data line groups, and a pixel matrix. Each data line group includes a left data line and a right data line. The pixel matrix includes a plurality of pixel units each having a thin film transistor (TFT), a pixel electrode, and a common electrode. Each column of pixel units corresponds to one of the data line groups. Two adjacent rows of pixel units correspond to one of the scanning lines. Gate electrodes of the TFTs of the two adjacent rows of pixel units are electrically coupled to the corresponding scanning line. Source electrodes of the TFTs of two pixel units located in the same column and electrically coupled to a same scanning line are electrically coupled to the left data line and the right data line of the corresponding data line group respectively.05-26-2011
20130141320LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display generates k DEMUX control signals for controlling the turn-on time of the DEMUX switches so as not to overlap with each other, and generates at least some of the DEMUX control signals every 2 horizontal periods, and makes 1 pulse sustaining period of the DEMUX control signals generated every 2 horizontal periods to overlap with a tail portion of the preceding horizontal period and a front portion of the subsequent horizontal period, among two neighboring horizontal periods.06-06-2013
20090066625Electronic newspaper - We describe an electronic newspaper system which comprises an electronic newspaper device further comprising a low power flexible display, a radio for receiving information, a processor for processing said information for display and manipulation, memory for storing information and a battery for storing power in communication with a remote computer server capable of aggregating newspaper content and transmitting said content to said device. Additional aspects may include input means for inputting information, a back channel radio for sending information out and tracking means for tracking the position of the newspaper device. A further additional aspect of the invention comprises a business means comprising an electronic marketplace for electronic newspaper content.03-12-2009
20090066626PIXEL STRUCTURE AND FORMING METHOD AND DRIVING METHOD THEREOF - A pixel structure, disposed on a first substrate, and electrically coupled to at least one scan line and at least one data line is provided. The pixel structure includes a first switch device, a second switch device, at least one pixel electrode, at least one control electrode, and at least one coupling electrode. The first switch device is electrically coupled to the scan line and the data line. The second switch device is electrically coupled to the scan line and the data line. The pixel electrode is electrically coupled to the second switch device. The control electrode is electrically coupled to the first switch element. The coupling electrode is disposed under the control electrode.03-12-2009
20130154912LIQUID CRYSTAL DISPLAY DEVICE - A pixel electrode is formed on a TFT substrate, and a gate insulating film is formed thereon. On the gate insulating film, formed is an inorganic passivation film, on which a common electrode having slits is formed. Through-holes are formed in the gate insulating film at areas where the pixel electrode faces the common electrode, and the pixel electrode is not connected to a source electrode in the through-hole. The through-holes are filled with the inorganic passivation film, and the common electrode is formed on the inorganic passivation film at a position corresponding to each through-hole. The pixel electrode faces the common electrode at the position through not the gate insulating film but only the inorganic passivation film, and thus the pixel capacity can be increased. Accordingly, it is possible to prevent changes in the electric potential of the pixel electrode caused by ON/OFF operations.06-20-2013
20090033608DISPLAY DEVICE - A display device includes: a first display substrate having a plurality of pixel electrodes, a plurality of data lines disposed parallel with each other and that cross a center portion of the pixel electrodes, a plurality of gate lines that cross the data lines, and a plurality of driving thin film transistors connected with the data lines, the gate lines and the pixel electrodes; a second display substrate disposed opposite to the first display substrate having a common electrode, a liquid crystal layer disposed between the first display substrate and the second display substrate; wherein one of the data lines supplies a data voltage to the pixel electrodes crossed by the one of the data lines and to the pixel electrodes crossed by the adjacent one of the data lines alternately along a longitudinal direction of the data lines.02-05-2009
20090058781GATE DRIVING DEVICE FOR LIQUID CRYSTAL DISPLAY - The invention relates to a gate driving device for Thin Film Transistor liquid crystal display comprising: a plurality of shift registers directly deposited on an array substrate, said shift registers being composed of effect transistors and a capacitor, obtaining a gate driving signal voltage by controlling an input signal. Said shift register can be realized by 5-layer mask process or 4-layer mask process, by arranging the field effect transistors on the margin part outside the active region on the substrate or at the edge of the substrate, and then directly depositing them on an array substrate. The invention obtains a gate driving signal voltage by the shift registers directly deposited on the substrate, thus overcoming the shortage of the need of driving chips and film layers in the prior art, substantially reducing the production cost for LCD.03-05-2009
20090033609Display Device - The present invention provides a technique which can prevent the disconnection of lines in the vicinity of terminal portions formed on an end portion of a TFT substrate of a liquid crystal display panel. Terminal portions for supplying electric signals to scanning lines are formed on a TFT substrate. Auxiliary lines and connection lines are formed between the terminal portions and the scanning lines in order from the terminal portions. A line width of the auxiliary line is set to 20 μm or more and the auxiliary lines extend to a region where the TFT substrate is covered with the color filter substrate. Although the connection lines connect the auxiliary lines and the scanning lines, for making the resistances from the terminal portions uniform, a line width of the connection line at a center portion of a flexible printed circuit board is set to a small value and a line width of the connection line at a peripheral portion of the flexible printed circuit board is set to a large value. At the center portion of the flexible printed circuit board, the line width of the connection line is set smaller than a line width of the auxiliary line. Due to such a constitution, it is possible to prevent the occurrence of the disconnection in the vicinity of the terminal portions attributed to a glass debris or the like.02-05-2009
20100053054LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes: a gate-off voltage generator including a temperature compensation unit which includes a constant voltage output device and a temperature-sensing device and outputting a gate-off voltage whose level varies according to a change in ambient temperature; a clock generator receiving a gate-on voltage and the gate-off voltage and outputting a first clock signal and a second clock signal; a gate driver receiving the first clock signal and the second clock signal and outputting gate signals; and a plurality of pixels turned on or off in response to the gate signals and thus displaying images, wherein the constant voltage output device outputs a constant voltage whose value is determined by a voltage difference between a reference terminal and an input terminal of the constant voltage output device, and the temperature-sensing device provides an input voltage whose value varies according to the change in the ambient temperature, wherein the voltage difference between the reference terminal and the input terminal of the constant voltage output device does not substantially vary according to the ambient temperature.03-04-2010
20100127961THIN FILM TRANSISTOR ARRAY PANEL AND METHOD OF MANUFACTURING THE SAME - A thin film transistor array panel including a substrate, gate lines formed on the substrate and extending in a first direction, data lines formed on the substrate and extending in a second direction, wherein the data lines cross and are insulated from the gate lines, and thin film transistors each with a control terminal, an input terminal, and an output terminal. The control and input terminals of the thin film transistor are connected to the gate and data lines. A barrier rib is formed on the gate lines, the data lines, and the thin film transistors. The barrier rib has the same pattern as the gate lines, the data lines, and the thin film transistors. Color filters fill regions demarcated by the barrier rib. Pixel electrodes are formed on the color filters. The output terminal of the thin film transistor has an opening, and a portion of the barrier rib formed on the output terminal has an output opening. The barrier rib output terminal portion has the same pattern as the output terminal. With the thin film transistor array panel, a barrier rib for forming contact holes is formed through exposing a positive photosensitive organic layer formed on a passivation layer to light from the backside of a substrate by using drain electrodes with openings as a light blocking film.05-27-2010
20090027325DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a driving method therefor includes a plurality of unit pixels arranged in a matrix form, a plurality of gate lines extending in a row direction and connected to the unit pixels, respectively, pluralities of first and second data lines extending in a column direction and connected to the unit pixels, respectively, a plurality of charge control lines extending in the row direction and connected to the unit pixels, respectively, a plurality of gate connection lines connected to at least two adjacent gate lines, respectively, and a plurality of charge connection lines connected to at least two adjacent charge control lines, respectively.01-29-2009
20090027324Liquid Crystal Display With Wide Viewing Angle - A LCD with wide viewing angle includes a gate driving circuit, a data driving circuit, and a plurality of pixels. Each pixel includes two sub-pixels. The data driving circuit includes a plurality of data lines for transmitting a plurality of data driving signals to the pixels for display. The gate driving circuit includes a plurality of gate lines and common lines. The pluralities of gate lines sequentially transmit gate driving signals to the corresponding pixels. The pluralities of common lines sequentially transmit common driving signals to the corresponding pixels according to the gate driving signals.01-29-2009
20110050552LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - The manufacturing method of a liquid crystal display device includes a step of forming the scanning signal lines including a step in which a photosensitive material film is exposed using an exposure device having a spatial light modulating element which generates an exposure pattern by a numerical control based on drawing data prepared based on the layout data. The drawing data is prepared by correction such that a shape of a portion of the scanning signal line in the layout data which is overlapped to a source electrode has an area corresponding to the distribution of a film thickness of an insulation layer interposed between the scanning signal line and the source electrode.03-03-2011
20110248908GATE SIGNAL TRANSMISSION CIRCUIT STRUCTURE - A gate signal transmission circuit structure is provided which is disposed on a peripheral circuit region of a display panel and includes at least a driver bonding pad, at least a transmission line and a plurality of connection lines. The transmission line is disposed around the driver bonding pad. The connection lines are connected between the driver bonding pad and the transmission line, wherein a plurality of holes exist between the connection lines, and the thickness of each connection line is substantially the same as the thickness of the transmission line.10-13-2011
20090231259APPARATUS AND METHOD FOR ELIMINATING IMAGE STICKING OF LIQUID CRYSTAL DISPLAY - An apparatus and a method for eliminating an image sticking of a liquid crystal display (LCD) are provided. The image sticking occurs when the LCD is turned off. The LCD includes a data driver and a number of pixels coupled to a common voltage. The apparatus includes a voltage detector and a voltage switching device. The voltage detector detects a system voltage of the LCD and outputs a control signal according to the system voltage. The voltage switching device is coupled to the voltage detector for selectively providing a data voltage or the common voltage as a driving voltage of the data driver according to the control signal. The voltage switching device is controlled by the control signal to provide the common voltage to the data driver when the system voltage is less than a reference voltage.09-17-2009
20080266230LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate; a second substrate which faces the first substrate and comprises a common electrode; and a liquid crystal layer located between the first and second substrates, the first substrate comprises: a data line and a gate line which cross each other; and a pixel electrode which is bent at least once and comprises a first sub-pixel electrode and a second sub-pixel electrode which are separated from each other, the first sub-pixel electrode is extended along the direction of the data line, the second sub-pixel electrode comprises a first part located on the right side of the first sub-pixel electrode and a second part located on the left side of the first sub-pixel electrode, and the data line comprises a first data line passing through the first part and a second data line passing through the second part.10-30-2008
20120200482LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display panel 08-09-2012
20100214203LIQUID CRYSTAL DISPLAY DEVICE INCLUDING SENSING ELEMENT - A liquid crystal display includes a first panel, a second panel facing the first panel and spaced apart from the first panel, a liquid crystal layer disposed between the first panel and the second panel, a variable capacitor having a capacitance that varies by a touch and generating a control voltage that has a magnitude depending on the capacitance, and a sensing element disposed on the second panel and generating a sensing signal based on the control voltage.08-26-2010
20100214202THIN FILM TRANSISTOR MATRIX DEVICE AND METHOD FOR FABRICATING THE SAME - A method for fabricating a thin film transistor matrix device which includes forming a transparent insulating substrate, arranging a plurality of thin film transistors on the substrate in a matrix, arranging a plurality of picture element electrodes on the substrate in a matrix and connecting the picture element electrodes to sources of the thin film transistors. The method also includes forming a plurality of bus lines for commonly connecting gates or drains of the thin film transistors, forming a plurality of bus line terminals on the ends of the bus lines, respectively, with each bus line terminal being provided for each bus line, and forming one connection line on the substrate in a region outer of plurality of the bus line terminals and commonly connecting the plurality of bus lines. The method further includes the step of electrically disconnecting the bus lines from the connection line by laser melting.08-26-2010
20080218465DISPLAY PANEL, DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A display panel, a display apparatus and the driving method thereof are provided. The gate control signals can interactively control more number of scan lines by disposing corresponding switches between the adjacent scan lines in the display panel, wherein every two scan lines correspond to a gate control signal, so as to reduce the number of the gate driving ICs and the layout space required by the fan out area in the display panel.09-11-2008
20100066656LIQUID CRYSTAL DISPLAY PANEL AND METHOD OF SCANNING SUCH LIQUID CRYSTAL DISPLAY PANEL - A flat panel needs a reduced number of gate drivers and/or their pins by using two spaced scan lines to drive pixel units together. In the panel, additional capacitors are disposed on the scan lines and/or the scanning waveform of the scan signal is changed so as to reduce the influence of the scan signal on the pixel voltage. Alternatively or additional, such panel has control lines for indirectly supplying scan signals to the scan lines.03-18-2010
20100103085Horizontal Electric Field Liquid Crystal Display - A horizontal electric field liquid crystal display (LCD) is disclosed. The horizontal electric field LCD includes a first liquid crystal cell driven by a voltage difference between a first pixel electrode and a second pixel electrode, a second liquid crystal cell driven by a voltage difference between a third pixel electrode and a fourth pixel electrode, a first data line to which a first analog data voltage is supplied, a second data line to which a second analog data voltage and a fourth analog data voltage are supplied, a third data line to which a third analog data voltage is supplied, a first gate line that receives a first scan pulse to select the first liquid crystal cell, a second gate line that receives a second scan pulse to select the second liquid crystal cell, first, second, third, and fourth thin film transistors. The second pixel electrode is spaced apart from the second gate line, and the fourth pixel electrode is spaced apart from the first gate line.04-29-2010
20100026615Liquid Crystal Display Device - A liquid crystal display device includes a plurality of video signal lines; a plurality of video signal input terminals, the number of which is less than the number of video signal lines; and a switch circuit interposed between the plurality of video signal input terminals and the plurality of video signal lines, wherein02-04-2010
20100020001ACTIVE MATRIX ARRAY DEVICE - An active matrix array device comprises an array of device elements, each device element having an associated circuit. Each circuit comprises an addressing switch (01-28-2010
20120306733HORIZONTAL STRIPE LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device for improving picture quality includes a common electrode formed on a first substrate, gate lines and data lines formed on a second substrate bonded to the first substrate by a sealing member with liquid crystals disposed therebetween, thin film transistors connected to the gate lines and to the data lines, pixel electrodes formed in subpixel regions, each pixel electrode having a long side in a direction of the gate lines and having a short side in a direction of the data lines fanout lines for supplying driving signals from the driving chips to the data lines, first conductive spacers formed between the fanout lines connected to different driving chips, for supplying a common voltage to the common electrode, and second conductive spacers formed between the fanout lines connected to the same driving chip, for supplying the common voltage to the common electrode.12-06-2012
20110304527COMPUTER-IMPLEMENTED METHODS, CARRIER MEDIA, AND SYSTEMS FOR DISPLAYING AN IMAGE OF AT LEAST A PORTION OF A WAFER - Various computer-implemented methods, carrier media, and systems for displaying an image of at least a portion of a wafer are provided. One computer-implemented method for displaying an image of at least a portion of a wafer includes separately storing different portions of an image of substantially an entire wafer acquired by inspection of the wafer. The different portions of the image correspond to different areas on the wafer. The method also includes displaying in a user interface (UI) only the different portions requested by a user.12-15-2011
20100085291LCD with two-dot inversion - An LCD with two-dot inversion includes plural gate lines for transmitting gate driving signals, plural data lines for transmitting data driving signals, and a pixel array. The pixel array includes plural pixels. The plural pixels display frames according to the received gate driving signals and data driving signals. A first data line of the plural data lines is coupled to a first column of pixels and a second column of pixels. The plural data lines are curves with several bends. The difference between the numbers of the first and the second columns is at least two.04-08-2010
20120001840LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device providing a high image quality with good viewing angle characteristics and being produced at a high efficiency is provided. A liquid crystal display device according to the present invention includes a TFT substrate including a plurality of pixel electrodes in correspondence with a plurality of pixels, respectively; a counter substrate including a counter electrode facing the plurality of pixel electrodes; and a liquid crystal layer located between the TFT substrate and the counter substrate. The plurality of pixel electrodes each include a first trunk portion, a plurality of first branch portions extending from the first trunk portion in a first direction, and a plurality of second branch portions extending from the first trunk portion in a direction opposite to the first direction. The counter electrode includes, in each of the plurality of pixels, a plurality of branch portions extending in a second direction, which is perpendicular to the first direction in a substrate plane.01-05-2012
20120206327DISPLAY PANEL - A display panel is disclosed has a plurality of source data lines and at least a first and a second gate scan lines and includes at least a first, a second, a third and a fourth display rows. Gates of a plurality of the first and second driving transistors of the first and the second display rows respectively are commonly coupled to the first gate scan line. First sources/drains of the first and the fourth driving transistors are sequentially coupled to odd columns of the source data lines. First sources/drains of the second and the third driving transistors are sequentially coupled to even columns of the source data lines. Gates of a plurality of the third and fourth driving transistors of the third and the fourth display rows respectively are commonly coupled to the second gate scan line.08-16-2012
20090135122LIQUID CRYSTAL DISPLAY AND PRE-CHARGING METHOD THEREOF - A liquid crystal display and a pre-charging method thereof for pre-charging data lines using a ESD circuit to simplify a circuit configuration are provided. In the method, video lines receiving video signals are floated in a pre-charge interval of time. A pre-charge voltage is supplied to the video lines floated via a static electricity proof circuit connected to the video lines. The pre-charge voltage on the video line is pre-charged by a demultiplexer for making a time-divisional driving of the data lines in a video charge interval of time.05-28-2009
20110074663ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A method comprises steps of: forming successively a first conductive pattern, a first insulating layer, a second conductive pattern, and a second insulating layer on a base substrate; patterning the second insulating layer and the first insulating layer with a double-tone mask, forming at least a half lap joint via hole in the second insulating layer, and forming at least a full lap joint via hole in both the first insulating layer and the second insulating layer, wherein the second conductive pattern corresponds to a part of the half lap joint via hole, and the first conductive pattern corresponds to the whole of the full lap joint via hole; forming a third conductive pattern and a fourth conductive pattern on the base substrate wherein the third conductivity pattern is formed on the surface of the second conductivity pattern and the first insulating layer through the half lap joint via hole, and the fourth conductive pattern is formed on the surface of the first conductive pattern through the full lap joint via hole.03-31-2011
20110102309THIN FILM TRANSISTOR DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A thin film transistor array panel includes: a first gate line extending in a first direction; a second gate line extending in the first direction; a data line extending in a different second direction; a first common signal distribution line including a plurality of first branches connected to each other, wherein the first branches extend in the second direction and intersect under or over with the first gate line and the second gate line. The first branches are connected to receive an electrostatic offset voltage of polarity opposite to that of data line voltages supplied on the data line. A column of pixel-electrodes are sandwiched between the data line and one of the first branches.05-05-2011
20120119982LIQUID CRYSTAL DISPLAY DEVICE - In one aspect, a liquid crystal display device includes a display region formed of a plural divided regions in a row direction. First and second driving circuits are arranged to face each other interposing the display region therebetween in the row direction. The first driving circuit is connected with odd scanning lines, and the second driving circuit is connected with the even scanning lines. A channel area of the TFT of the pixels connected to the odd scanning lines is the smallest in the divided region nearest to the first driving circuit and becomes larger gradually in the divided regions distant from the first driving circuit. A channel area of the TFT of the pixels connected to the even scanning lines is the smallest in the divided region nearest to the second driving circuit and becomes larger gradually in the divided regions with distant from the second driving circuit.05-17-2012
20100289733THIN FILM TRANSISTOR DISPLAY PANEL - A thin-film transistor display panel according to one or more embodiments is provided. According to an embodiment, a thin-film transistor display panel includes an insulation substrate, a gate line that is formed on the insulation substrate and is extended in a first direction, a first data line and a second data line that cross with the first gate line, and are respectively extended side by side in a second direction, a first switching element that is electrically connected to the gate line and the first data line, a second switching element that is electrically connected to the gate line and the second data line, a first pixel electrode that is connected to the first switching element, and is at least partly overlapped with the gate line of the front end, a second pixel electrode that is connected to the second switching element, and is arranged with the first pixel electrode side by side, and a storage line that is at least partly overlapped with the first pixel electrode and the second pixel electrode by being formed with the gate line side by side and being formed at both sides of the first pixel electrode and the second pixel electrode.11-18-2010
20100245223ACTIVE MATRIX SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE - A plurality of source lines extending parallel to each other while alternately turning between a plurality of pixel electrodes provided in a delta arrangement, each have a plurality of first linear portions each extending along a side of the corresponding pixel electrode, a plurality of second linear portions each linked to the corresponding first linear portion and extending along a side of the corresponding pixel electrode to a middle portion of the side, and a plurality of protruding portions each extending from one end of the corresponding second linear portion along a side of the corresponding pixel electrode.09-30-2010
20120162055LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME - The present invention provides a liquid crystal display device and a method for manufacturing the same that can improve aperture ratio of pixels while securing necessary storage capacitance using a simple configuration even if there is progress in high resolution of pixels. The liquid crystal display device according to the present invention is provided with a plurality of pixels. A thin film transistor array substrate includes gate lines and source lines arranged in a grid pattern on a principal surface of a supporting substrate, transparent pixel electrodes, and thin film transistors. Also, the thin film transistor array substrate includes a gate insulator, a passivation layer, a transparent conductive film, a first insulation layer, and transparent pixel electrodes stacked in order from a supporting substrate side. The transparent pixel electrodes are electrically connected with drain electrodes of the thin film transistors through contact holes formed in the first insulation layer. When a substrate surface is viewed in a direction of a normal to the substrate surface, the transparent conductive film does not overlap regions in which the transparent pixel electrodes and the drain electrodes are electrically connected with each other.06-28-2012
20120313845LIQUID CRYSTAL DISPLAY DEVICE - This invention offers a liquid crystal display device according to FFS technology. A pixel electrode is formed of a first layer transparent electrode. A common electrode made of a second layer transparent electrode is formed above the pixel electrode interposing an insulation film between them. The common electrode in an upper layer is provided with a plurality of slits. The common electrode extends over all the pixels in a display region. An end of the common electrode is disposed on a periphery of the display region and connected with a peripheral common electric potential line that provides a common electric potential Ycom. There is provided neither an auxiliary common electrode line nor a pad electrode, both of which are provided in a liquid crystal display device according to a conventional art.12-13-2012
20120162054GATE DRIVER, DRIVING CIRCUIT, AND LCD - There is disclosed a gate driver, a driving circuit, and a liquid crystal display (LCD), wherein the gate driver comprises input terminals for inputting a CPV signal, an OE signal, and an STV signal, and output terminals for outputting a CKV signal and a CKVB signal, and a processing circuit is connected between the input terminals and the output terminals for processing the CPV signal, the OE signal, and the STV signal such that a preset time interval is present between the falling edge of the CKV signal and the rising edge of the CKVB signal during one period of the CKV signal, or a preset time interval is present between the rising edge of the CKV signal and the falling edge of the CKVB signal during one period of the CKVB signal.06-28-2012
20100053053DISPLAY PANEL - A display panel has a display area and a peripheral circuit area next to the display area. The display panel includes a number of pixels, a first signal line, a second signal line, and a third signal line. The pixels are arranged in array in the display area. The first signal line disposed in an intersection of the display area and the peripheral circuit area is electrically connected to the pixels. A data signal is suitable for being applied to the first signal line. The second signal line is disposed in the peripheral circuit area. A common signal is suitable for being applied to the second signal line. The third signal line is disposed between the first signal line and the second signal line. A reference signal is suitable for being applied to the third signal line. The data signal, the common signal, and the reference signal are different signals.03-04-2010
20090102774ELECTRO-OPTICAL DEVICE - Provided is an electro-optical device including a device substrate having a pixel region in which a plurality of pixels each including a pixel electrode and a pixel transistor are arranged, wherein, in the device substrate, a temperature detection resistance line extends along at least a half of the whole periphery of the pixel region on the periphery of the pixel region.04-23-2009
20120075172LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device having a large screen, high resolution and high reliability at the same time, even in the case where the drivers are mounted on the TFT substrate in accordance with a COG mounting method.03-29-2012
20090085853DISPLAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A display substrate includes an insulation substrate, an (n)-th gate line, a data line, first and second source electrodes, first and second drain electrodes, a pixel electrode, a third drain electrode, and a storage line. The first source electrode overlaps a first portion of the (n)-th gate line and is electrically connected to the data line. The first and second drain electrodes overlap a second portion of the (n)-th gate line. The pixel electrode is connected to the first drain electrode. The second source electrode overlaps a first portion of an (n+1)-th gate line, while the third drain electrode overlaps a second portion thereof. The storage line overlaps a portion of each of the pixel electrode and the second and third drain electrodes. The second source electrode is formed by extending the second drain electrode in a direction substantially from the (n)-th gate line towards the (n+1)-th gate line.04-02-2009
20090085854DISPLAY UNIT - The invention provides a display unit that has a display area and first and second photodetectors 04-02-2009
20090085852DRIVING APPARATUS, SYSTEM AND METHOD THEREOF - A driving apparatus, a system and a method thereof is provided by the present invention. The driving apparatus has at least an output terminal and includes a driving circuit and a control switch. The control switch is electrically coupled with the driving circuit. The driving circuit receives an input signal and converts the input signal into an analog driving signal. The control switch is controlled by a control signal. When the control switch is turned on, the analog driving signal is able to be sent to the output terminal of the driving apparatus. The control signal further controls the spike current generated as turning on the control switch so as to reduce the spike current. The driving apparatus can be applied to an LCD system, so that the panel and the chips of the LCD system have longer life time, lower electricity consumption and better heat dissipation performance.04-02-2009
20120256817SHIFTING REGISTER AND APPARATUS FOR DRIVING GATE LINES - The present invention discloses a shifting register and an apparatus for driving gate lines, and it relates to Liquid Crystal Display technical field, for reducing the noise of a shifting register during non-working period. The shifting register comprises: a first thin film transistor, a second thin film transistor, a third thin film transistor, a fourth thin film transistor, a capacitor and a pull-down module, and the pull-down module is connected among a clock signal port, a first node and a signal output terminal, and further is connected to a low level signal terminal, for maintaining the first node and the signal output terminal to be at low level during the non-working period of the shifting register. The apparatus for driving gate lines comprises a plurality of above shifting registers connected in serial. The present invention is applicable to driving gate lines.10-11-2012
20090021464DIGITAL DRIVING METHOD FOR LCD PANELS - A liquid crystal display (LCD) with a driver IC and an LCD panel having source and gate lines. A gate driver is disposed in the LCD panel for sequentially supplying scan signals to the gate lines of the panel. A source driver in the driver IC converts pixel data into an analog source signal and supplies the signal to the source lines. A lookup table is stored with a mapping of possible luminance values for pixels of the LCD panel onto at least one luminance control parameter. The source driver converts the pixel data so that a voltage of the analog source signal increases during a gate scan period depending on the luminance control parameter in such a way that at the end of the gate scan period a voltage at a corresponding pixel electrode is equal to an analog value corresponding to the pixel data.01-22-2009
20120081274THIN FILM TRANSISTOR ARRAY PANEL, LIQUID CRYSTAL DISPLAY, AND METHOD TO REPAIR THE SAME - The present invention relates to a thin film transistor array panel, a liquid crystal display, and a method capable of reducing an effect on neighboring pixels in a process of repairing a pixel defect. The thin film transistor array panel may include: a thin film transistor connected to a gate line and a data line to define a pixel area; a pixel electrode formed in the pixel area and connected to the thin film transistor; and a storage electrode including a first portion overlapping the data line between two adjacent gate lines. The storage electrode may also include a second portion connected to the first portion and enclosing an edge of the pixel area except for a region where the first portion is formed. The storage electrode may be branched between pixel electrodes respectively formed in two adjacent pixel areas.04-05-2012
20120262363DISPLAY PANEL, LIQUID-CRYSTAL DISPLAY DEVICE AND DRIVE METHOD - The present invention includes, in addition to transistors each (Mm,n) provided at the intersection of a gate bus line (GLn) with a data bus line (DLm): block potential applying transistors (DMn) connected to respective ends of gate bus lines (GLn) which ends are not connected to a gate driver (10-18-2012
20120262364LIQUID CRYSTAL DRIVE CIRCUIT, LIQUID CRYSTAL DISPLAY DEVICE PROVIDED THEREWITH, AND DRIVE METHOD FOR LIQUID CRYSTAL DRIVE CIRCUIT - A liquid crystal drive circuit, a liquid crystal display device, and a method for driving the liquid crystal drive circuit are disclosed. A liquid crystal drive circuit of an embodiment includes: a gate bus line drive circuit for driving a plurality of gate bus lines; a drive parameter selecting section for selecting, in accordance with how many gate bus lines of the plurality of gate bus lines are concurrently driven by the gate bus line drive circuit, a drive parameter optimized for a ratio between bright and dark pixels which ratio is determined in accordance with how many gate bus lines of the plurality of gate bus lines are concurrently driven by the drive parameter selecting section; and a source bus line drive circuit for driving a plurality of source bus lines by use of the drive parameter thus selected by the drive parameter selecting section.10-18-2012
20120326954LIQUID CRYSTAL DISPLAY DEVICE - The present invention is to provide a liquid crystal display device which hardly causes image sticking even when there is a difference in the pixel areas. The liquid crystal display device of the present invention includes a pair of substrates, and a liquid crystal layer sandwiched between the pair of substrates, and is configured such that a pixel is formed by picture elements of a plurality of colors. The liquid crystal display device of the present invention is featured in that one of the pair of substrates includes scanning lines, signal lines, and storage capacitor lines, a thin film transistor connected to each of the scanning line and the signal line, and a pixel electrode connected to the thin film transistor, in that the other of the pair of substrates includes an opposed electrode, in that the pixel electrode is arranged for each of the picture elements, and in that the pixel electrode having a larger area among the plurality of pixel electrodes arranged in one pixel is connected to the thin film transistor having a larger channel width among the plurality of the thin film transistors arranged in the one pixel.12-27-2012
20120268358LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device is provided which can enhance a numerical aperture. The display has a pixel transparent conductive film electrode and a transparent conductive film counter electrode formed on an insulation film, which in turn is formed on a first substrate to cover the pixel electrode. A plurality of linear portions of the counter electrode are arranged on the pixel electrode. A gate-signal-line side of the pixel electrode of the first pixel is formed on a first-pixel side of the gate signal line and a gate-signal-line side of the pixel electrode of the second pixel is formed on a second-pixel side of the gate signal line. The gate-signal-line-side frame portion of the counter electrode of the first pixel and the gate-signal-line-side frame portion of the counter electrode of the second pixel are formed in common on the gate signal line in a striding manner.10-25-2012
20100039361GATE SWITCH APPARATUS FOR AMORPHOUS SILICON LCD - A gate switch apparatus of a-Si LCDs is provided. The gate switch apparatus is suitable for switching a plurality of sub gate lines and disposed in two rim spaces of a display to make a-Si TFT switch with less impedance. According to a switch driving timing, a plurality of sub gate lines are able to share a single gate line, which saves cost and reduces the difficulty in the manufacturing process.02-18-2010
20100231495LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATING METHOD THEREOF - A liquid crystal display panel and a fabricating method thereof comprising an image sensing capability, image scanning, and touch inputting. In the liquid crystal display device, a gate line and a data line are formed to intersect each other on a substrate to define a pixel area in which a pixel electrode is positioned. A first thin film transistor is positioned at an intersection area of the gate line and the data line. A sensor thin film transistor senses light having image information and supplied with a first driving voltage from the data line. A driving voltage supply line is positioned in parallel to the gate line to supply a second driving voltage to the sensor thin film transistor.09-16-2010
20120326955SHIFT REGISTER - Provided is a shift register configured by cascade-connecting unit circuits 12-27-2012
20130009856SCANNING SIGNAL LINE DRIVE CIRCUIT AND DISPLAY DEVICE HAVING THE SAME - Stability of a circuit operation in a monolithic gate driver is improved. A bistable circuit is provided with a charge replenishment circuit (01-10-2013
20130016035SEMICONDUCTOR DEVICE AND METHOD FOR DRIVING THE SAMEAANM IKEDA; TakayukiAACI AtsugiAACO JPAAGP IKEDA; Takayuki Atsugi JP - An image sensor is provided which is capable of holding data for one frame period or longer and conducting a difference operation with a small number of elements. A photosensor is provided in each of a plurality of pixels arranged in a matrix, each pixel accumulates electric charge in a data holding portion for one frame period or longer, and an output of the photosensor changes in accordance with the electric charge accumulated in the data holding portion. As a writing switch element for the data holding portion, a transistor with small leakage current (sufficiently smaller than 1×1001-17-2013
20130016034Gamma Buffer Output Compensation Circuit, Drive Circuit and Resistance Setting Method ThereofAANM Liao; LiangchanAACI ShenzhenAACO CNAAGP Liao; Liangchan Shenzhen CNAANM Lin; PoshenAACI ShenzhenAACO CNAAGP Lin; Poshen Shenzhen CNAANM Wang; NianmaoAACI ShenzhenAACO CNAAGP Wang; Nianmao Shenzhen CN - The present invention discloses a gamma buffer output compensation circuit, a drive circuit and a resistance setting method thereof. The gamma buffer output compensation circuit comprises a set of variable compensating resistor modules which are respectively connected to each output terminal of the gamma buffer and have regulable resistance. The present invention uses the method of setting variable compensating resistor modules with regulable resistance in front of each output terminal of the gamma buffer to replace the existing compensating resistors with fixed resistance. The resistance of the compensating resistors in front of each output terminal can be regulated through external operation so that the same compensation circuit can be applied to different types of machines. Therefore, the gamma buffer output compensation circuit can be directly developed in advance without regard to the difference of different types of machines, and the resistance of suitable compensating resistors can be regulated in later period. Thus, the generality of gamma buffers is increased, and the development cycle of machines is reduced.01-17-2013
20110156996IMAGE INPUT/OUTPUT DEVICE - An image input/output device is provided that can instantaneously write an image by applying an optical pattern and that can acquire information on the written image as image data. This image input/output device includes a TFT (06-30-2011
20110156995THIN FILM TRANSISTOR ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME AND FABRICATING METHODS THEREOF - A thin film transistor array substrate includes a substrate, a gate line and a data line arranged to cross each other and to define a pixel region on the substrate, a first common line disposed to be parallel to the gate line and to cross the data line, a switch element disposed at an intersection of the gate line and data line, a first pixel electrode formed to overlap the first common line, and a second pixel electrode branched from the first pixel electrode in a plurality of strips, a second common line opposite to the first common line in the center of the pixel region, a second common electrode branched from the second common line toward the pixel region into a plurality of strips, and a third common electrode branched to overlap the data line from the second common line, and a first storage electrode branched from the first common line into the pixel region, and a second storage electrode extended to overlap the first storage electrode from the first pixel electrode.06-30-2011
20080246717Display Device - The display device includes an output circuit, a threshold control circuit which sequentially selects one of a forward bias voltage and a reverse bias voltage, and a power supply control circuit which applies one of the forward bias voltage and the reverse bias voltage which is selected to a gate of a transistor included in the output circuit. Time in which the reverse bias voltage is applied to the gate of the transistor is determined in accordance with time in which the forward bias voltage is applied to the gate of the transistor.10-09-2008
20100090938IMAGE PROCESSING METHOD AND LIQUID-CRYSTAL DISPLAY DEVICE USING THE SAME - This invention relates to an image processing method for improving the quality of an image to be displayed on a display device and to a liquid-crystal display device using the same, and aims at providing an image processing method for providing wide viewing angle and excellent tonal-intensity viewing angle characteristic and a liquid-crystal display device using the same. Combined together are a higher-luminance pixel to be driven higher in luminance than the luminance data of an image to be displayed and a lower-luminance pixel to be driven lower in luminance than the luminance data, to determine a luminance on the higher-luminance pixel and luminance on the lower-luminance pixel as well as an area ratio of the higher-luminance and lower-luminance pixels in a manner obtaining a luminance nearly equal to a desired luminance based on the luminance data.04-15-2010
20080224979METHOD FOR IMPROVING IMAGE QUALITY OF A DISPLAY DEVICE WITH LOW-TEMPERATURE POLY-SILICON THIN FILM TRANSISTOR - The Low-Temperature Poly-Silicon thin film transistor display device of the invention arrayed with a plurality of gate lines and data lines and a switch unit and a pixel unit are located in the intersection of scan line and the data line. The device comprises a gate driven unit a data driven unit and a control unit wherein the gate driven unit provides a plurality of gate voltages to the gate lines to drive the switch unit, the data driven unit sends the corresponding video data to the gate lines, and the control unit controls the transmitting sequence of the video data to the data lines. The method of the invention includes the steps of: gate driven unit providing every N scanning signals to the scan lines and then the data driven unit switching the transmitting sequence of the video data.09-18-2008
20080224978LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display is capable of minimizing power consumption and providing an excellent image quality by having a varying array wire structure of the liquid crystal display so that the liquid crystal display can employ a low driving voltage and obtain advantages of a dot inversion drive system. Also, a driving method thereof is disclosed.09-18-2008
20130093658DISPLAY DEVICE - A display device includes gate lines, data lines, first wires and second wires extending in the directions of the gate lines and data lines, and pixels having a first subpixel and a second subpixel each. The first subpixel has a first subpixel electrode and a first switching element, and the second subpixel has a second subpixel electrode and second and third switching elements. The control terminals of the three switching elements are connected to the same gate line, and the input terminals of the first and second switching elements are connected to the same data line. The first and second switching elements have output terminals connected to the first and second subpixel electrodes, respectively. The second switching element's output terminal connects to the third switching element, which has an output terminal connected to a second wire. The first wires and the second wires are connected in a pixel.04-18-2013
20130093657LIQUID CRYSTAL DISPLAY HAVING MINIMIZED BEZEL AREA - A liquid crystal display includes a first substrate including pixels arranged in m columns by n rows, n data lines disposed, m gate lines arranged substantially parallel to the data lines, n data distribution lines arranged to cross the m gate lines and electrically connected to the data lines, respectively, source driving chips disposed on a first portion of the first substrate, and a gate driver disposed on a second portion of the first substrate. Each of the data distribution lines is connected to a subset of the pixels arranged in a corresponding row, and each of the gate lines is connected to a subgroup of the pixels arranged in a corresponding column. The source driving chips apply data signals to the pixels through the first data lines and the data distribution lines, and the gate driver applies gate signals to the pixels through the gate lines.04-18-2013
20130113695DISPLAY DEVICE - A display device includes a first panel and a second panel stacked together. The first panel includes a first active region, a first peripheral region, a first substrate, a second substrate, a display medium, a pixel array integrated with a color filter film, a common electrode, and a first light shielding layer. The second panel includes a second active region, a second peripheral region, a third substrate, an element layer, and a second light shielding layer disposed in the second peripheral region. The first light shielding layer includes first light shielding patterns leaning against the pixel array and the common electrode and second light shielding patterns forming a black matrix in the first active region. The second light shielding patterns are shorter than the first light shielding patterns. The second active region is smaller than, the first active region. The second peripheral region is larger than the first peripheral region.05-09-2013
20130141319Pixel Structure, Array Substrate and Liquid Crystal Display - The present invention relates to a pixel structure, an array substrate and a liquid crystal display. A pixel structure, comprising a plurality of pixel regions, wherein each pixel region comprises a pixel electrode and at least one pair of first thin-film transistor and second thin-film transistor; the first thin-film transistor and the second thin-film transistor in each pair are symmetrically arranged, and the drain electrodes of the first thin-film transistor and the second thin-film transistor are electrically connected with the pixel electrode. Each pixel structure of the liquid crystal display comprises a first thin-film transistor and a second thin-film transistor. Since the first thin-film transistor and the second thin-film transistor are symmetrically arranged, the total parasitic capacitance of each pixel structure would not be changed due to the poor accuracy of an exposure machine and a manufacturing process in actual manufacture. Therefore, the total parasitic capacitance of each pixel structure of the liquid crystal display is constant, thus the poor effect of display due to the deficiency of data lines and thin-film transistors is overcame, and a better effect of display is achieved.06-06-2013
20100277405CONTAINER FOR A DISPLAY DEVICE, METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE INCLUDING THE CONTAINER - In a container for a display device, a method of manufacturing the same, and a display device including the container, the container includes an inner layer including carbon of about 0.001 wt % to about 0.1 wt %, silicon of about 0.002 wt % to about 0.05 wt %, manganese of about 0.3 wt % to about 2 wt %, impurities of about 0.08 wt % to about 0.29 wt % based on a total weight of the inner layer and a remainder of iron, a plating layer formed on the inner layer and including electric zinc, and a polymer chrome-free layer formed on the plating layer. Thus, a weight and a thickness of the container may be reduced so that the container may have a light weight and a thin thickness.11-04-2010
20080204392DISPLAY DEVICE AND DRIVING METHOD THEREFOR - A display device, includes: a plurality of thin film transistors which comprise a gate electrode, a source electrode and a drain electrode; a plurality of pixel electrodes which are respectively connected to the drain electrode of the thin film transistors; a plurality of gate lines which are respectively disposed to the opposite edge parts of the pixel electrodes in a lengthwise direction of the pixel electrodes, and connected to the gate electrode of the thin film transistors; and a plurality of data lines which are respectively disposed to a single edge part of the pixel electrodes in a widthwise direction of the pixel electrodes, and connected to the source electrode of the thin film transistors, a pair of pixel electrodes adjoining each other to interpose the single data line therebetween, and a pair of thin film transistors which are respectively connected to the pair of pixel electrodes being connected with the same single data line.08-28-2008
20080198120LIQUID CRYSTAL DISPLAY - A small or middle-sized liquid crystal display employing a black insertion driving method overcomes the after-image or blurring of a moving picture by shifting the level of a voltage applied to a storage capacitor line within a predetermined period corresponding to about 20% to about 80% that lasts after image signals are applied to pixels until the next image signals are applied to the pixels by using two types of voltages that shift pixel voltages into a black display potential.08-21-2008
20080198119LIQUID CRYSTAL DISPLAY AND DISPLAY PANEL WITH INTEGRATED DATA-STORAGE - A liquid crystal display includes a display panel having a data-storing unit including transistors integrated into the display panel. The data-storing transistors of the data-storing unit may be formed in the same film (layer) as the TFT pixel transistors on the display panel. Each of the plurality of transistors of the data-storing unit includes an input electrode connected to one of a first voltage or a second voltage depending upon a bit of stored data, and an output electrode commonly connected to a data output terminal of the data-storing unit. The data-storing unit further includes and a Serial-In, Parallel-Out shift register supplied with a reset and first and second clock signals and connected to the input electrodes of the transistors, respectively.08-21-2008
20110227817LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE TFT SUBSTRATE - A liquid crystal display device realizing a high display quality is provided at high production efficiency. A liquid crystal display device according to the present invention includes a reflective region and a transmissive region, and comprises a TFT substrate including a first transparent layer and a second transparent layer formed on a TFT and a pixel electrode formed on the first transparent layer or the second transparent layer; a counter substrate; and a liquid crystal layer. A first sub pixel electrode formed in the reflective region is formed on a surface of the second transparent layer; a second sub pixel electrode formed in the transmissive region is formed on a surface of the first transparent layer; and the second transparent layer includes a first elevated portion formed to protrude toward the liquid crystal layer more than the first sub pixel electrode and to surround each of the first and second sub pixel electrode.09-22-2011
20110227816LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes an auxiliary electrode located between a first scan signal line and a second scan signal line that are adjacent to each other, a first thin film transistor with a gate electrode connected to the first scan signal line, a second thin film transistor with a gate electrode connected to the second scan signal line, a first pixel electrode connected to one of a source electrode and a drain electrode of the first thin film transistor, a second pixel electrode connected to one of a source electrode and a drain electrode of the second thin film transistor, a data signal line that is connected to the other of the source electrode and the drain electrode of the first thin film transistor and that is connected to the other of the source electrode and the drain electrode of the second thin film transistor, and a common electrode disposed to face the first pixel electrode and the second pixel electrode through a liquid crystal layer. The first pixel electrode and the second pixel electrode are adjacently located along the data signal line. The auxiliary electrode is set so that a potential difference between the auxiliary electrode and the common electrode is greater than a potential difference between the first pixel electrode and the common electrode and greater than a potential difference between the second pixel electrode and the common electrode.09-22-2011
20130147700REDUNDANCY SHIFT REGISTER CIRCUIT FOR DRIVER CIRCUIT IN ACTIVE MATRIX TYPE LIQUID CRYSTAL DISPLAY DEVICE - An active matrix display device comprises a substrate having an insulating surface, a plurality of pixel electrodes arranged in a matrix form over the substrate, and a plurality of switching elements operationally connected to the pixel electrodes. Each of the switching elements further comprise a thin film transistor. The display device further includes a display medium comprising an emissive material that is capable of electrically changing luminous strength disposed at each of the pixel electrodes, and a driver circuit that includes a plurality of thin film transistors for driving the plurality of switching elements. Each of the plurality of thin film transistors comprise a crystallized semiconductor layer, a gate insulating film adjacent to the crystallized semiconductor layer and a gate electrode adjacent to the gate insulating film.06-13-2013
20100295764DISPLAY DEVICE - A display device includes a substrate, gate lines, data lines, data signal links, and contact vias. The substrate includes a display region, and a peripheral region surrounding the display region. The gate lines, data lines, data signal links, and contact vias are disposed within the display region of the substrate. The gate lines cross the data lines. Each of the data signal links is disposed between adjacent gate lines. Each of the contact vias is disposed between each of the data signal links and a corresponding data line, such that each of the data signal links is electrically connected with the corresponding data line.11-25-2010
20100315321LIQUID CRYSTAL DISPLAY PANEL AND METHOD FOR DRIVING PIXELS THEREOF - A liquid crystal display (LCD) panel and a method for driving pixels thereof are provided. The present invention uses a fixed voltage generated by a charge-sharing unit to perform charge-sharing with a second sub-pixel in a pixel, so as to make that the brightness of a second bright region corresponding to the second sub-pixel is darker than the brightness of a first bright region corresponding to a first sub-pixel in the pixel. Accordingly, the present invention can achieve the purpose of gray-levels space stacking without adding additional data lines and thus improving the color washout phenomenon of the LCD.12-16-2010
20130187842Display Device - A display device having a display element is configured such that the extending directions of electrodes are made different from each other among upper, lower, left and right pixels.07-25-2013
20130100005LCD Panel and Method of Manufacturing the Same - A liquid crystal display panel and its manufacturing method are proposed. The liquid crystal display includes pixels, scan lines, and data lines. The scan lines are formed by a first metallic layer. Each pixel includes multiple subpixels. Each subpixel includes a pixel electrode, a thin-film transistor, and a common electrode line. The common electrode line includes a main branch, a first shielding metallic area, and a second shielding metallic area. The first and second shielding metallic areas are parallel to the scan lines and are connected to the main branch. The data lines and the common electrode lines are formed by the second metallic layer. The scan line and the common electrode line are formed after the first and second metallic layers undergo different etching processes, causing the distance between the scan line and the common electrode line to be shortened and the width of the common electrode line serving as a shielding metallic area partially to be properly decreased. Accordingly, the pixel aperture ratio is increased.04-25-2013

Patent applications in class Thin film tansistor (TFT)