Patent application number | Description | Published |
20090058888 | TIMING CONTROLLER, DISPLAY DEVICE AND METHOD FOR ADJUSTING GAMMA VOLTAGE - A timing controller is provided. The timing controller comprises a data analyzer, a gain processor, an operator unit and an original gamma voltage generator. The present invention utilizes the data analyzer to analyze a gray level distribution of video data, and then the gain processor selects a gain value. The operator unit converts an original gamma voltage produced by the original gamma voltage generator into an actual gamma voltage according to the gain value. Therefore, the present invention adaptively adjusts the gamma voltage according to the gray level distribution of the video data for increasing display quality. | 03-05-2009 |
20090085489 | CIRCUIT AND METHOD FOR DRIVING AND CONTROLING LIGHT SOURCE - A light source driving circuit including a driving module, a plurality of first switches, a detecting unit, and a control unit is provided. The plurality of first switches is respectively coupled to corresponding light sources and these light sources are driven by the driving module. The detecting unit is coupled to the driving module to detect a working parameter of each light source and transmit the working parameter to the control unit. When the detecting unit detects some of these light sources are broken down, the control unit sequentially turns on the first switches to find out the failed light source. Moreover, the first switch coupled to the failed light source is remained on, and the driving signal is regulated according to the number of the failed light source, such that the brightness of the panel does not decrease. | 04-02-2009 |
20090122003 | DRIVING DEVICE FOR BACKLIGHT MODULE AND DISPLAY DEVICE THEREOF - A display device and a driving device for driving a backlight module are provided. The driving device includes a power conversion circuit (PCC), a PWM generator, a current control unit (CCU) and a voltage feedback compensation circuit (VFCC). The PCC is used for converting an input voltage into an adjustable voltage supplied to the backlight module. The CCU is used for controlling current flowing through the backlight module. The VFCC is used for receiving an output voltage from the backlight module and providing a feedback voltage to the PWM generator, so that the PWM generator adjusts the adjustable voltage accordingly. Therefore, the driving device submitted by the present invention can be reduced the entire power consumption of the display device and further avoided the current control unit happened damage also. | 05-14-2009 |
20100045579 | METHOD FOR ADJUSTING WHITE BALANCE IN A FIELD SEQUENTIAL DISPLAY AND DEVICE THEREOF - A method for adjusting white balance includes generating a first matrix according to values in axes of a color gamut corresponding to optical characteristics of a plurality of first LEDs; generating a second matrix according to values in the axes of the color gamut corresponding to optical characteristics of the plurality of first LEDs while in white balance; generating a third matrix according to values in the axes of the color gamut corresponding to optical characteristics of a plurality of second LEDs; storing the first matrix, second matrix, and third matrix; generating a calibration matrix by multiplying the second matrix with an inverse of the first matrix; generating a fourth matrix by multiplying the third matrix with the calibration matrix. As a result, the optical characteristics of the plurality of second LEDs can be effectively and rapidly adjusted simply referring to the differences between the second and fourth matrices. | 02-25-2010 |
20110316425 | METHOD FOR CONTROLLING LIGHT SOURCE DRIVING CIRCUIT - A method for controlling a light source driving circuit is provided. The method includes driving a plurality of serially-connected light sources, and measuring a working parameter of the light sources; shorting the light sources sequentially to find out at least a failed light source, when the working parameter is not measured; and remaining shorting the failed light source, and regulating a brightness of the light sources without having the failed light source according to a newest working parameter. | 12-29-2011 |
Patent application number | Description | Published |
20100238093 | Method for Driving Electrophoretic Display Device - An EPD device includes a plurality of pixels, wherein a first pixel is written by a first grey level, a second pixel is written by a second grey level. When the EPD device refreshes the displayed frame, the first pixel and the second pixel are erased individually. After the erasing of first pixel is completed, a third grey level is written to the first pixel immediately. After erasing of the second pixel is completed, a fourth grey level is written to the second pixel immediately. Thus, each pixel is written by their next grey levels immediately after the erasing step so the writing time is reduced and the motion blur of the EPD device when refreshing the displayed frame can be improved. | 09-23-2010 |
20100277509 | METHOD OF UPDATING THE DISPLAY OF ELECTROPHORETIC DISPLAY MECHANISM AND THE DEVICE THEREOF - A method for driving an electrophoretic display device for reducing the time required to update the display image. The electrophoretic display device comprises a frame buffer, a lookup table, a controller and an electrophoretic display panel. The frame buffer stores a first display frame data. The controller accesses a transition data of transforming the first display frame data to a second display frame data according to the lookup table, for outputting a control data. The electrophoretic display panel displays the second display frame data according to the control data. Therefore, the position the charged particle in a pixel to be moved to during the erasing step can be adjusted by utilizing the lookup table, consequently reducing the time required to update the pixel. | 11-04-2010 |
20100290227 | CIRCUIT LAYOUT OF CIRCUIT SUBSTRATE, LIGHT SOURCE MODULE AND CIRCUIT SUBSTRATE - A circuit layout of a circuit substrate having a plurality of device bonding areas is provided. The circuit layout includes first pads, second pads, bridging lines, first outer leads and second outer leads. Each device bounding area is configured with one first pad and one second pad. The bridging lines are respectively disposed between any two adjacent device bounding areas and extended from a side of the first pad inside one device bounding area to a side of the second pad inside another one device bounding area adjacent to the first pad. Each first outer lead and each second outer lead are respectively corresponding to one first pad and one second pad, are respectively correspondingly extended into the device bounding area which the first pad and the second pad are located at, and are beside the first pad and the second pad correspondingly. | 11-18-2010 |
20110057912 | ELECTROPHORETIC DISPLAY AND DRIVING METHOD THEREOF - An electrophoretic display and a driving method thereof are provided. The electrophoretic display includes a display panel and a source driver. The display panel includes at least one pixel unit. The pixel unit is coupled to a pixel electrode and a common electrode. The source driver is coupled to the display panel. When the source driver provides a first driving voltage to the pixel electrode having a second driving voltage, the source driver provides a ground voltage to the pixel electrode, and then the source driver provides first driving voltage to the pixel electrode. The ground voltage is between the first driving voltage and the second driving voltage. Thereby, damage property of elements may be reduced. | 03-10-2011 |
20110157680 | DISPLAY METHOD OF ELECTROPHORESIS DISPLAY DEVICE - A display method of an electrophoresis display (EPD) device having a display area and a plurality of pixels located in the display area is provided. In the display method, firstly, the display area is divided into a plurality of unit areas. A plurality of pixels exist in each of the unit areas. Then, in some unit areas, at least two pixels in each of the unit areas are enabled to respectively display a first color and a second color, such that the first colors and the second colors are mixed to achieve a mixed color in vision. The first color has a maximum gray-level value. The second color has a minimum gray-level value. A gray-level value of the mixed color is between the maximum gray-level value and the minimum gray-level value. | 06-30-2011 |
20110205260 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - A liquid crystal display device includes a plurality of gate lines, a plurality of main data lines, a plurality of sub-data lines, a switch circuit and a pixel array. The gate lines are configured to transmit a plurality of gate driving signals, while the data lines and sub-data lines are configured to transmit a plurality of data driving signals. The switch circuit controls the paths through which the data driving signals are transmitted to the sub-data lines. The pixel array includes a plurality of first and second pixel units. Each first pixel unit displays images according to the gate driving signal received from a corresponding gate line and the data driving signal received from a corresponding main data line. Each second pixel unit displays images according to the gate driving signal received from a corresponding gate line and the data driving signal received from a corresponding sub-data line. | 08-25-2011 |
20120044192 | TOUCH CONTROL SYSTEM WITH MULTI-TOUCH DETECTION FUNCTIONS - The touch control system with multi-touch detection functions includes a touch panel, a first transceiver, a second transceiver, and a processor. The first transceiver scans N first sensing lines along a first axis of a touch panel, and detects at least one first sensing line touched by at least one object according to the scanning result. The first transceiver inputs at least one high frequency signal to the at least one first sensing line touched by the at least one object, and the second transceiver inputs M low frequency signals to M second sensing lines along a second axis of the touch panel. The processor receives and detects M feedback signals of the M second sensing lines along the second axis, and determines a position of at least one touch point according to the M feedback signals. | 02-23-2012 |
20120186966 | TOUCH PANEL - A touch panel includes a substrate, plural first bridges, an insulating layer, plural conductive columns, plural second bridges, plural first sensing pads, plural second sensing pads, a reticulated electrode, and plural discharge electrodes. The insulating layer disposed on the substrate covers the first bridges and the substrate. The conductive columns are connected between the first sensing pads and the first bridges. The second bridges, the first sensing pads, the second sensing pads, the reticulated electrode, and the discharge electrodes are disposed on the insulating layer. Each of the second bridges is connected between two adjacent second sensing pads. The first sensing pads and the second sensing pads are located in openings of the reticulated electrode respectively and electrically insulated from the reticulated electrode. Each of the discharge electrodes connected to the reticulated electrode is located between two adjacent first sensing pads and between two adjacent second sensing pads. | 07-26-2012 |
20120194166 | DRIVING METHOD AND METHOD FOR MEASURING FEED THROUGH VOLTAGE OF ELECTROPHORETIC DISPLAY - A driving method of an electrophoretic display is provided. The driving method includes the following steps. A plurality of pixels of a display panel of the electrophoretic display are configured as a plurality of blocks. A common voltage of the display panel is set to a first voltage. A plurality of scanning signals are inputted to a plurality of scanning lines of the display panel in order in which scanning lines corresponding to the same block receives the same scanning signal. A plurality of data lines of the display panel are measured to obtain at least one peak voltage corresponding to each of the blocks. A feed through voltage corresponding to each of the blocks is determined according the peak voltages corresponding to the blocks. A plurality of driving signals which drive each of the blocks are adjusted according the feed through voltage corresponding to each of the blocks. | 08-02-2012 |
20130044121 | ELECTROPHORETIC DISPLAY CAPABLE OF REDUCING GHOST SHADOWS AND FRAME REFRESH METHOD THEREOF - An electrophoretic display capable of reducing ghost shadows includes an electrophoretic panel, a pixel gray level recording unit, and a control signal generation unit. The electrophoretic panel includes a plurality of pixels. The pixel gray level recording unit is used for recording gray levels of the plurality of pixels when the electrophoretic panel displays a frame according to an image signal. The control signal generation unit is coupled to the pixel gray level recording unit and the plurality of pixels for providing a first refresh control signal for a first group pixels of the plurality of pixels and a second refresh control signal different from the first refresh control signal for a second group pixels of the plurality of pixels according to the gray levels of the plurality of pixels when the electrophoretic panel refreshes the frame according to the image signal. | 02-21-2013 |
20130070066 | THREE-DIMENSIONAL DISPLAY APPARATUS AND DATA PROCESSING METHOD THEREOF - A three-dimensional display apparatus and a data processing method thereof are provided. The three-dimensional display apparatus includes a data processing module. The data processing module includes an image comparison unit and an image compensation unit. The image comparison unit receives a first eye frame and a second eye frame in order, compares a plurality of first gray-scale data of the first eye frame with a plurality of second gray-scale data of the second eye frame respectively, and outputs a plurality of comparison results. The image compensation unit is coupled to the image comparison unit and generates a compensation frame corresponding to the second eye frame according to the comparison results. Therefore, image sticking can be avoided. | 03-21-2013 |
20130229407 | STEREO DISPLAY APPARATUS - A stereo display apparatus includes a display panel and an adjustable barrier. The display panel is capable of providing an image. The adjustable barrier is located on a transmission path of the image. The adjustable barrier includes a first substrate, a second substrate disposed opposite to the first substrate, and a display medium located between the first substrate and the second substrate. The second substrate includes a second plate, a plurality of first electrodes, and a plurality of second electrodes. The first and second electrodes are located on the second plate. The first electrodes are arranged in a same space. The second electrodes and the first electrodes are alternately arranged. The second electrodes are arranged in a same space. A first space is between any two adjacent first electrodes. A second space is between any two adjacent second electrodes. The first space is greater than the second space. | 09-05-2013 |
20130241845 | TOUCH PANEL - A touch panel includes a plurality of first axis electrodes and a plurality of second axis electrodes. The first axis electrodes extend along a first direction and the first axis electrodes are disposed repeatedly along a second direction. Each of the first axis electrodes includes a plurality of first sensing electrodes disposed along the first direction. The second axis electrodes extend along the second direction and the second axis electrodes are disposed repeatedly along the first direction. Each of the second axis electrodes surrounds the first sensing electrodes disposed along the second direction. | 09-19-2013 |
20130257827 | BACKLIGHT MODULE USED IN DISPLAY DEVICE AND CONTROL METHOD OF THE SAME - A backlight module used in a display device is provided. The backlight module comprises a first and a second view-angle LED groups, a first and a second switches, a LED drive circuit for generating a drive current and a mode-control unit. The first and the second switches enable or disable the first and the second view-angle LED groups according to a first and a second PWM signals respectively. The mode-control unit operates the backlight module in 2D or 3D display mode according to a mode-control signal. In the 2D display mode, the first and the second switches enable the first and the second view-angle LED groups synchronously to emit light according to the drive current. In the 3D display mode, the first and the second switches enable the first and the second view-angle LED groups with an interlaced manner to emit light according to the drive current. | 10-03-2013 |
20130265274 | CAPACITIVE TOUCH PANEL - A capacitive touch panel is provided. The capacitive touch panel comprises a substrate, a plurality columns of first directional sensing electrodes, a plurality rows of second directional sensing electrodes and an optical compensation structure. Each two neighboring first directional sensing electrodes in each of the columns are connected with a connecting structure in series. The first and the second directional sensing electrodes are arranged in a staggered manner. Each two neighboring second directional sensing electrodes in each of the rows are connected with a bridging structure in series without contacting the connecting structure. A gap is presented between each of the second directional sensing electrodes and its neighboring first directional sensing electrodes and the optical compensation structure having a specific thickness is formed therein such that a light-penetrability of the optical compensation structure is substantially the same as that of the first and the second directional sensing electrodes. | 10-10-2013 |
20130271388 | TOUCH SENSING THREE-DIMENSIONAL DISPLAY DEVICE - A touch sensing three-dimensional (3D) display device includes a display panel and a touch sensing parallax integrated panel. The touch sensing parallax integrated panel located on the display panel includes a first substrate, a second substrate, a touch sensing structure, a display medium layer, a first parallax electrode layer, and a second parallax electrode layer. The second substrate is disposed opposite to the first substrate. The first substrate is located between the display panel and the second substrate. The touch sensing structure is located on the second substrate. The display medium layer is disposed between the first substrate and the second substrate. The first parallax electrode layer disposed on the first substrate is located between the display medium layer and the first substrate. The second parallax electrode layer disposed on the second substrate is located between the display medium layer and the second substrate. | 10-17-2013 |
20130278548 | TOUCH PANEL AND TOUCH SENSING METHOD THEREOF - A touch panel includes a substrate, a plurality of first traces, an insulation layer, a plurality of second traces, and a microcontroller. The first traces are disposed over the substrate, the insulation layer is disposed over the first traces, and the second traces are disposed over the insulation layer. The microcontroller is electrically connected to the first traces and the second traces, and is operable to control the first traces and/or the second traces so that the first traces and/or the second traces form open loops or closed loops. Furthermore, a touch sensing method is also disclosed herein. | 10-24-2013 |
20140085226 | INTEGRATED SYSTEM OF TOUCH SCREEN AND TOUCH KEY - An integrated system of touch screen and touch key includes a touch screen unit, a touch key unit, a microcontroller and a system unit. The touch screen unit generates a first touch sensing signal according to a first touch event. The touch key unit generates a second touch sensing signal according to a second touch event. The microcontroller transforms the first touch sensing signal to a first data packet and transforms the second touch sensing signal to a second data packet. The microcontroller transmits the first data packet to an interface apparatus in the system unit through a first transmission line and transmits the second data packet to the system unit through a second transmission line. | 03-27-2014 |
20140292675 | CONTROL SYSTEM APPLIED TO TOUCH AND CAPABLE OF SWITCHING TWO-DIMENSIONAL/THREE-DIMENSIONAL MODE - A control system applied to touch and capable of switching two-dimensional (2D)/three-dimensional (3D) mode includes a timing controller, a liquid crystal barrier controller, a backlight controller, and a backlight driving unit. The timing controller receives an image signal and a 2D/3D switching signal from a host, receives a touch signal from a touch panel, and generates a first timing control signal and a second timing control signal. The liquid crystal barrier controller generates and outputs a liquid crystal barrier control signal to the touch panel according to the first timing control signal. The backlight controller generates and outputs a backlight luminance control signal according to the second timing control signal. The backlight driving unit generates and outputs a backlight driving signal to a backlight unit of the touch panel according to the backlight luminance control signal. | 10-02-2014 |
20140327627 | TOUCH DEVICE, TOUCH PANEL, AND METHOD FOR CONTROLLING THE SAME - A touch panel includes a substrate and a first electrode array. The first electrode array is disposed on the substrate and includes first and second touch regions. The first electrode array further includes first, second, third, and fourth electrodes. The first electrode is disposed on the first touch region. The second electrode is disposed on the first touch region corresponding in position to the first electrode. The third electrode is disposed on the second touch region. The fourth electrode is disposed on the second touch region corresponding in position to the third electrode. In addition, the first to fourth electrodes are all disposed on the same layer. The first electrode is disposed diagonally to the fourth electrode, and the first electrode is electrically coupled to the fourth electrode. Furthermore, a method for controlling the touch panel is also disclosed herein. | 11-06-2014 |
20150022486 | METHOD OF DRIVING TOUCH DISPLAY AND TOUCH DISPLAY CAPABLE OF INCREASING SIGNAL-TO-NOISE RATIO - A method of driving touch display includes a switching circuit driving each block of N blocks of a touch panel to display a corresponding image according to a driving signal generated by a liquid crystal driving unit during a first predetermined time within each horizontal synchronization signal period corresponding to the block between two vertical synchronization signals of the touch panel; the switching circuit executing touch scanning on M blocks of the N blocks only corresponding to the block according to touch scanning signals generated by a touch control unit during a second predetermined time within the horizontal synchronization signal period; and the touch control unit receiving and processing a touch scanning result corresponding to each block of the M blocks through the switching circuit during a third predetermined time within the horizontal synchronization signal period, where N and M are integers, and M is smaller than N. | 01-22-2015 |
20150062061 | DRIVING METHOD OF TOUCH SYSTEM - A driving method of a touch system includes a liquid crystal panel driving circuit driving each block of a plurality of blocks of a liquid crystal panel to display an image in turn according to a first control signal during a frame time; a touch sensing circuit capturing a current panel noise base line of a touch block of a touch panel non-corresponding to the block according to a second control signal during the block displaying the image; the touch sensing circuit updating a previous panel noise base line of the touch block during a previous frame time according to the current panel noise base line; the touch sensing circuit executing touch sensing on the touch block to generate touch raw data according to a third control signal; and the touch sensing circuit generating touch data according to the touch raw data and the current panel noise base line. | 03-05-2015 |
20150185901 | DRIVING METHOD FOR TOUCH PANEL AND TOUCH CONTROL SYSTEM - A driving method for touch panel includes providing a plurality of driving signals with a first voltage level to a plurality of sensing electrodes of a touch panel; receiving a plurality of sensing signals corresponding to the plurality of driving signals with the first voltage level from the plurality of sensing electrodes of the touch panel; obtaining a second voltage level according to the plurality of sensing signals, the second voltage level being different from the first voltage level; and providing a plurality of driving signals with the second voltage level to the plurality of sensing electrodes of the touch panel. | 07-02-2015 |
Patent application number | Description | Published |
20100096607 | DEVICE FOR TRANSPORTING PLANAR SOFC STACK - A device, adapted for transporting a planar solid oxide fuel cell stack while the SOFC stack is sandwiched between a top plate and a bottom plate, which comprises: a plurality of load units, a lifting unit and a mobile seat. Each of the plural load devices is adapted for exerting a pressure on the SOFC stack. The lifting unit is composed of a joint portion and a plurality of cantilevers. In an exemplary, there is a fixing part arranged at the end of each cantilever while being enabled to connect to the SOFC stack by the bottom thereof. With the aforesaid device, the SOFC stack can be moved out of a high temperature furnace and then into a fuel cell control system smoothly while keeping one's balance without worrying the SOFC stack being damaged or tipping over by collision or losing balance. | 04-22-2010 |
20100098984 | LOAD DEVICE FOR SOFC STACK AND A HIGH-TEMPERATURE FURNACE USING THE SAME - A load device for planar solid oxide fuel cell stack comprises: a balance plate, a high-temperature compressed column, a load cell, an elastic member, an equalizing ring, and an actuator. The balance plate is disposed abutted against the fuel cell stack, and the high-temperature compressed column is disposed on the balance plate, and the load cell and the elastic member are arranged at a top portion of the high-temperature compressed column. The actuator, being placed on the equalizing ring, is used for providing a load to the equalizing ring, the load cell, the elastic member and the high-temperature compressed column Thereby, the load exerted by the actuator can be detected from the measurement of the load cell while the relationship between the load variation and performance of the SOFC stack can be read directly or transmitted to an external device for display. | 04-22-2010 |
20100136375 | In line height measurement system for planar fuel cell - An in-line planar fuel cell height measurement system is mainly composed of a main stand, at least a top platform above a high temperature furnace, a displacement detection unit on the top platform with a central axis connecting to an extension rod that goes downward into the high temperature furnace and contacts the top surface of the cell stack inside the high temperature furnace, a displacement display unit connecting to the displacement detection unit through signal transmission cables, and a data processing unit connecting to the displacement display unit through signal transmission cables, so the displacement detection unit can sense the height change for the cell stack in the high temperature furnace during temperature rise and operation and send out a signal, which can be directly displayed by the displacement display unit and received by a data processing unit for further analysis and storage. | 06-03-2010 |
20110110754 | SYSTEM FOR TRANSPORTING PLANAR SOFC STACK - A system for transporting planar SOFC stack is disclosed, which comprises: a frame, for carrying a cell stack; a robotic arm, for grabbing and holding the cell stack; and a driver, coupled to the frame and the robotic arm and being used for driving the robotic arm. With the aforesaid system, the cell stack can be moved in and out a high-temperature furnace smoothly and rapidly, and then into a fuel cell control system while keeping one's balance without worrying the cell stack being damaged or tipping over by collision or losing of balance. | 05-12-2011 |
20120100453 | Planar SOFC Stack - A solid oxide fuel cell (“SOFC”) stack device is disclosed. The SOFC stack includes SOFC units that can easily be stacked and electrically connected to one another. Furthermore, each of the SOFC units can easily be removed from the others and replaced with a new one. The fuel cell stack includes a supporting mechanism and two conducting and pressing units. The supporting mechanism includes three parts. Each part of the supporting mechanism includes slots defined therein for receiving the SOFC units. Each of the conducting and pressing units is located between two adjacent ones of the parts of the supporting mechanism. | 04-26-2012 |
20150357664 | Plate type fuel reformer of fuel cell - A plate type fuel reformer of fuel cells includes a reformer module stacked by multiple sheet components, and an engaging surface formed on a surface of the reformer module and adhered to a surface of the default fuel cell module in order to form a great thermally-conductive combination. Detachable connections are formed between each of the sheet components and between the sheet components and the fuel cells module. The edge of the reformer module is non-protruding from the side of the fuel cell module after connection. Multiple containing spaces are respectively formed between each of the sheet components for containing default catalyst units. Also, an independent air channel is formed for guiding outside air to into the fuel cell module and a fuel channel is formed for containing the default catalyst units and guiding outside fuel to react with the catalyst units to generate hydrogen gas and carbon monoxide. | 12-10-2015 |