Patent application number | Description | Published |
20090174830 | LIQUID CRYSTAL DISPLAY AND PIXEL UNIT THEREOF - A pixel unit includes a first control circuit and a second control circuit and is divided into a first region and a second region. The first control circuit determines the output voltage of the first region and includes a first switching device, a first liquid crystal capacitor and a first storage capacitor coupled to the first switching device. The second control circuit determines the output voltage of the second region and includes a second switching device, a second liquid crystal capacitor and an auxiliary capacitor coupled to the second switching device, and a third switching device. The third switching device is coupled to the second switching device through the auxiliary capacitor, and the output voltage of the first region is different to that of the second region. | 07-09-2009 |
20100053106 | SENSING CIRCUIT FOR TOUCH PANEL - A sensing circuit for a touch panel is disclosed. The sensing circuit includes a switching device, a passive device and a sensing device. The switching device receives an input signal and outputs the input signal according to a control signal. The passive device couples to the switching device. The sensing device couples to the switching device to form a node, receives the input signal to generate a reference voltage on the node, and changes the value of the reference voltage to generate a target voltage according to a touching pressure on a preset position on the touch panel from a user. | 03-04-2010 |
20100141599 | TOUCH PANEL AND CIRCUIT THEREOF - A sensing circuit for touch panel is disclosed. The sensing circuit includes a switching device, a passive device, a sensing device and a transforming unit. The switching device receives a first control signal and outputs the first control signal according to a second control signal. The passive device couples to the switching device. The sensing device couples to the switching device to form a node, receives the first control signal to generate a reference voltage on the node, and changes the value of the reference voltage to generate a target voltage according to a pressure exerting on a preset position of the surface of the touch panel by a user. The transforming unit receives the target voltage and generates an output current according to the target voltage. | 06-10-2010 |
20110058245 | ELECTROWETTING PIXEL STRUCTURE - An electrowetting pixel structure includes a substrate, a hydrophobic dielectric layer, a non-polar liquid, a polar liquid, at least one electrode, and at least one contact hole. The hydrophobic dielectric layer is formed on the substrate, the non-polar liquid covers one surface of the hydrophobic dielectric layer, and the polar liquid is provided on the hydrophobic dielectric layer where the non-polar liquid and the polar liquid are immiscible. The electrode is formed on the substrate and divides the substrate into an electrode section and a non-electrode section. When a voltage is applied to the electrowetting pixel structure, the non-polar liquid contracts on the hydrophobic dielectric layer and is confined to an area substantially overlapping the non-electrode section. The contact hole is formed on the substrate at a position away from the non-electrode section of the electrowetting pixel structure. | 03-10-2011 |
20120229369 | LIQUID CRYSTAL DISPLAY AND PIXEL UNIT THEREOF - The invention is to provide a pixel unit coupled to a data line, a first scan line, and a second scan line. The pixel unit comprises a first sub-pixel unit and a second sub-pixel unit. The first sub-pixel unit comprises a first switching device coupled to the data line, a first storage capacitor and a first liquid crystal capacitor coupled to the first switching device. The second sub-pixel unit comprises a second switching device coupled to the first switching device, a coupling capacitor, and a second storage capacitor and a second liquid crystal capacitor coupled to the second switching device. The coupling capacitor is coupled between the first and second input/output terminals of the second switching device. The control terminal of the first switching device is coupled to the first scan line. The control terminal of the second switching device is coupled to the second scan line. | 09-13-2012 |
Patent application number | Description | Published |
20100150301 | Shift Register and Level Controller - A shift register includes several stages of shift register units. Each shift register unit includes a first level lifting unit, first level lowering unit, first driving unit and level controller. The first level lifting unit and first level lowering unit control the scan signal to be equal to a first timing signal and first voltage, respectively. The level controller includes an input unit, a charge storage unit, a second level lifting unit and a second level lowering unit. The input unit controls the third control signal to be equal to the first voltage at a node. The charge storage unit stores a voltage of the timing signal at the node. The second level lifting unit and second level lowering unit respectively control the second control signal to be equal to the third control signal and the first voltage to turn on and turn off the first level lowering unit. | 06-17-2010 |
20100245300 | Shift Register - A shift register including a plurality of multi-stage shift register circuits is provided. The m | 09-30-2010 |
20110025398 | Level Shifting Circuit - A level shifting circuit including a driving circuit, a reset circuit, a coupling circuit and an output-stage circuit is provided. The driving circuit, controlled by the input signal, controls the first driving signal having a high voltage level in the first period and controls the first driving signal having a low reference level in the second period. The reset circuit, controlled by the first driving signal in the first period, resets the second driving signal having the low reference level. The coupling circuit, controlled by the falling edge of the input-inversed signal, controls the second driving signal having a low voltage coupling level in the second period. The output-stage circuit, controlled by the first and the second driving signal, controls the output signal having a high voltage level in the second period and controls the output signal having a low voltage level in the first period. | 02-03-2011 |
20110026665 | Bidirectional Shift Register - A bi-directional shift register includes N stages, wherein the m | 02-03-2011 |
20120206434 | Shift Register - A shift register comprises many stages, and each of stages comprises a first, a second and a third level control unit and a first and a second control unit is provided. The first and the second level control unit respectively provides a first clock signal and a voltage to an output terminal. The first driving unit and the level control unit are coupled to a first node. The first driving unit turns on and turns off the first level control unit in response to an input signal, a second control signal and a first control signal of the next stage. The second driving unit turns on and turns off the second level control unit in response to the first control signal. The third level control unit provides a first voltage to the output terminal in response to the second control signal and the first control signal. | 08-16-2012 |
Patent application number | Description | Published |
20080253499 | SHIFT REGISTER AND LEVEL CONTROLLER - A shift register includes several stages of shift register units. Each shift register unit includes a first level lifting unit, first level lowering unit, first driving unit and level controller. The first level lifting unit and first level lowering unit control the scan signal to be equal to a first timing signal and first voltage, respectively. The level controller includes an input unit, a charge storage unit, a second level lifting unit and a second level lowering unit. The input unit controls the third control signal to be equal to the first voltage at a node. The charge storage unit stores a voltage of the timing signal at the node. The second level lifting unit and second level lowering unit respectively control the second control signal to be equal to the third control signal and the first voltage to turn on and turn off the first level lowering unit. | 10-16-2008 |
20080266275 | SHIFT REGISTER AND LIQUID CRYSTAL DISPLAY - A shift register is for generating scan signals. Each stage of the shift register comprises a first level lifting unit and at least a second level lifting unit, a first level lowering unit and at least a second level lowering unit, first and second driving units. The first level lowering and lifting units are for controlling the levels of signals at the first output terminal to output a first scan signal. The second level lowering unit and second level lifting unit are for controlling the levels of signals at the second output terminal to output at least a second scan signal. The first and second driving units are for turning on and off the first and the second level lifting units and the first and the second level lowering unit to control the first and second scan signals. | 10-30-2008 |
20090115741 | TOUCH SENSOR AND TOUCH SCREEN PANEL - A touch sensor includes a first substrate, a second substrate, an inducing electrode and an inducing switch. The second substrate is disposed opposite the first substrate. The inducing electrode is disposed on the first substrate. The inducing switch disposed on the second substrate includes a first switch electrode, a second switch electrode and an active layer, which is disposed between and contacts with the first switch electrode and the second switch electrode. The active layer and the inducing electrode face each other and are separated by a distance. When the first substrate or the second substrate is pressed so that the distance between the inducing electrode and the active layer is changed, the driven inducing electrode induces a channel, corresponding to a change of the distance, on the active layer to electrically connect the first switch electrode to the second switch electrode. | 05-07-2009 |
20090128541 | SHIFT REGISTER - A shift register comprises many stages, and each of stages comprises a first, a second and a third level control unit and a first and a second control unit is provided. The first and the second level control unit respectively provides a first clock signal and a voltage to an output terminal. The first driving unit and the level control unit are coupled to a first node. The first driving unit turns on and turns off the first level control unit in response to an input signal, a second control signal and a first control signal of the next stage. The second driving unit turns on and turns off the second level control unit in response to the first control signal. The third level control unit provides a first voltage to the output terminal in response to the second control signal and the first control signal. | 05-21-2009 |
20100007598 | SHIFT REGISTER - A shift register includes multiple stages each generating a scan signal at an output terminal and including a level pull-up circuit, a level pull-down circuit, a driving circuit and a level controlling circuit. The level pull-up circuit makes the scan signal equal a first clock signal in response to an enabled level of a first control signal. The level pull-down circuit makes the scan signal equal a first voltage in response to an enabled level of a second control signal. The driving circuit controls the first control signal to be the enabled level and a disabled level in response to an enabled level of an input signal and the enabled level of the second control signal, respectively. The level controlling circuit controls the second control signal to be the disabled level and the enabled level in response to the enabled level and the disabled level of the input signal, respectively. | 01-14-2010 |
20100277453 | METHOD OF DRIVING ELECTRONIC PAPER - A method of driving an electronic paper solving an image sticking problem is provided. First, a frame writing process is executed, wherein a turn-on voltage is supplied to scan lines to enable transistors, and a frame data voltage is supplied to display units through data lines to write a frame. Then, a frame holding process is executed, wherein a turn-off voltage and an auxiliary data voltage are respectively supplied to the scan lines and the data lines to disable the transistors, and a first common voltage is provided by a common electrode layer. During the frame holding process, the first common voltage and the frame data voltage are applied to hold the frame, the turn-off voltage, the auxiliary data voltage, and the first common voltage are fixed voltages, and the auxiliary data voltage is substantially equal to the first common voltage and greater than the turn-off voltage. | 11-04-2010 |
20110241015 | PIXEL STRUCTURE - A pixel structure including a scan line, a data line intersecting the scan line, a first gate, a second gate, a third gate, a semiconductor layer, a source, a first drain, a second drain, a first pixel electrode, and a second pixel electrode is provided. The dataline and the scan line are interlaced disposed. The semiconductor layer is disposed on the scan line to define the first gate and the second gate. The source is directly connected to the data line and located between the first gate and the second gate. The first gate is located between the first drain and the source. The second gate is located between the second drain and the source. The third gate is electrically connected to the scan line. The first pixel electrode and the second pixel electrode are respectively electrically connected to the first drain and the second drain. | 10-06-2011 |
Patent application number | Description | Published |
20120319990 | TOUCH DISPLAY DEVICE - A touch display device is provided. The touch display device includes a touch panel disposed on a display panel. The touch panel includes a plurality of first conductive patterns arranged along a first direction, wherein the first conductive patterns are separated from each other. A plurality of second conductive patterns is arranged along a second direction perpendicular to the first direction, wherein the second conductive patterns are connected with each other. An isolation structure is disposed between any two adjacent first conductive patterns. A plurality of conductive bridge structures is disposed on the isolation structure for electrically connecting any two adjacent first conductive patterns. | 12-20-2012 |
20130082944 | TOUCH DISPLAY DEVICES AND FORMATION METHODS THEREOF - A touch display device and a formation method thereof are provided. The touch display device includes a touch panel disposed on a first surface of a substrate of a display panel. A color filter layer is disposed on a second surface of the substrate. The touch panel includes a plurality of first and second conductive patterns arranged by two directions that are perpendicular to each other. A patterned isolation layer, having a first portion and a second portion, is formed over the first surface of the substrate, wherein the first portion is disposed at the intersection of the first and the second conductive patterns, and the second portion is disposed between the first and the second conductive patterns. The first portion has a height that is lower than a height of the second portion. | 04-04-2013 |
20130153388 | TOUCH DEVICES AND FABRICATION METHODS THEREOF - A touch device and a fabrication method thereof are provided. The touch device includes a cover lens, a first light shielding pattern and a touch sensing element disposed on the cover lens, a passivation layer covering the touch sensing element and the first light shielding pattern, and a second light shielding pattern disposed on the passivation layer, wherein the second light shielding pattern overlaps with a part of the first light shielding pattern. | 06-20-2013 |
Patent application number | Description | Published |
20130021724 | TOUCH PANEL AND METHOD FOR MANUFACTURING THE SAME - A touch panel and a method for manufacturing the same are disclosed. The touch panel includes a display module, a touch panel module and a first castor oil layer. In this touch panel, the display module connects to the touch panel module by a first adhesive layer. There is a first sealing space existed between the display module and the touch panel module. The first castor oil layer is set in the first sealing space. In this way, the purposes of being reproduced easily and saving costs can be achieved. | 01-24-2013 |
20140043257 | TOUCH MODULE - A touch module includes a display module, a touch sensing layer and a protecting substrate. The touch sensing layer includes a shielding part, a hardening layer and a flat layer. The hardening layer has an open slot near the shielding part for separating a portion from another portion of the hardening layer. The touch module will not have uneven surface occurred at stacking and bending positions of the edge of the touch module and can avoid the occurrence of mura phenomenon, so as to enhance the display effect of the touch module. In addition, the flat layer is covered onto the hardening layer and the open slot, so that pattern of the touch sensing layer is mild visually, so as to improve the visual effect of the display of the touch module. | 02-13-2014 |
20140044229 | SHIFT REGISTER AND VOLTAGE ADJUSTING CIRCUIT AND VOLTAGE ADJUSTING METHOD THEREOF - A shift register and a voltage adjusting circuit and method thereof are disclosed. The voltage adjusting circuit includes a first input terminal, a second input terminal, a transistor, a first capacitor, a second capacitor, and an output terminal. The first input terminal receives a second clock signal. The second input terminal receives a fourth clock signal. The transistor has a source electrode, a drain electrode, and a gate electrode. The source electrode is coupled to ground and the gate electrode is coupled to the second input terminal. The first capacitor is coupled between the drain electrode and the first input terminal. One end of second capacitor is coupled between the first capacitor and drain electrode, and the other end of second capacitor is coupled between the second input terminal and gate electrode. The output terminal is coupled between the first capacitor and drain electrode to output an adjusted voltage. | 02-13-2014 |
20140049712 | LIQUID CRYSTAL DISPLAY AND BIDIRECTIONAL SHIFT REGISTER DEVICE THEREOF - An LCD and a bidirectional shift register device thereof are provided. The bidirectional shift register device of the invention is disposed on the substrate of the panel and includes multi-stages shift registers in series connection. Each stage shift register includes a pre-charging unit, a pull-up unit and a pull-down unit, in which the pre-charging unit receives a first preset clock signal and the output from a (i−1)th stage shift register or a (i+1)th stage shift register so as to thereby output a charging signal. The pull-up unit receives the charging signal and a second preset clock signal so as to thereby output a scan signal. The pull-down unit receives the second preset clock signal, a third preset clock signal and the output from the (i+2)th stage shift register or the (i−2)th stage shift register so as to decide whether or not pulling down the scan signal to a reference level. | 02-20-2014 |
20140071035 | LIQUID CRYSTAL DISPLAY AND SHIFT REGISTER DEVICE THEREOF - A liquid crystal display and a shift register device thereof are provided. The shift register device includes a plurality of shift registers connected in series, where an i | 03-13-2014 |
20140159086 | ACTIVE DEVICE ARRAY SUBSTRATE AND DISPLAY PANEL - An active device array substrate and a display panel are provided. The active device array substrate includes a substrate, a first conductor layer, a gate dielectric layer, a second conductor layer, an overcoat layer, a transparent electrode, a capacitive layer and pixel electrodes. The first conductor layer includes gate lines and light-shielding patterns. The gate dielectric layer covers the first conductor layer. The second conductor layer includes data lines and drain electrodes. Each of the data lines correspondingly overlaps one of the light-shielding patterns. The transparent electrode covers the overcoat layer. The pixel electrode is disposed on the capacitive layer and covers a portion of the shielding pattern. Each of the light-shielding patterns has a width greater than that of the overlapping data line. The gap between the edge of the light-shielding pattern and that of the overlapping data line is not greater than 2.5 microns. | 06-12-2014 |
20140198277 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a bottom substrate, at least one thin film transistor, an overcoat layer, a bottom common electrode, at least one pixel electrode and a liquid crystal layer. The thin film transistor is disposed on the bottom substrate, including a gate electrode, a source electrode and a drain electrode. The overcoat layer is disposed above the thin film transistor. The bottom common electrode is disposed on the overcoat layer. The pixel electrode is disposed above the bottom common electrode and electrically connected to the drain electrode. The liquid crystal layer is disposed above the pixel electrode. | 07-17-2014 |
20140232964 | INTEGRATED GATE DRIVER CIRCUIT AND LIQUID CRYSTAL PANEL - An integrated gate driver circuit includes a control circuit, a plurality of drive stages and a plurality of discharge transistors. The control circuit is configured to output a plurality of clock signals within a frame period and to output a discharge enabling signal within a blanking period of the frame period. Each of the drive stages receives the clock signals and includes an output terminal configured to output a gate driving signal. Each of the discharge transistors is coupled to the output terminal of one of the drive stages and discharges the output terminal according to the discharge enabling signal thereby eliminating the voltage fluctuation of the output terminal in the blanking period. | 08-21-2014 |
20140252381 | ACTIVE DEVICE ARRAY SUBSTRATE - An active device array substrate for saving material cost includes a substrate, scan lines, data lines, a thin film transistor, a color filter layer, a transparent conductive layer, an insulating layer and a pixel electrode. The color filter layer covers and contacts the scan lines, data lines and the thin film transistor. The transparent conductive layer is disposed on the color filter layer and electrically isolated from the scan lines, the data lines and the thin film transistor by the color filter layer. The insulating layer covers the transparent conductive layer. The pixel electrode is disposed on the insulating layer and connected to the thin film transistor. | 09-11-2014 |
20140253424 | SHIFT REGISTER, BIDIRECTIONAL SHIFT REGISTER APPARATUS, AND LIQUID CRYSTAL DISPLAY PANEL USING THE SAME - A shift register, a bidirectional shift register apparatus and a liquid crystal display panel using the same are provided. The shift register includes a precharge unit, a pull up unit, and a pull down unit. The precharge unit receives outputs of a previous two-stage of shift register and a next two-stage of shift register both corresponding to the shift register to thereby generate a precharge signal. The pull up unit is coupled to the precharge unit, and receives the precharge signal and a first input clock signal to thereby output a scan signal. The pull down unit is coupled to the precharge unit and the pull up unit, and receives the precharge signal, the first input clock signal and a second input clock signal to control a voltage level of the scan signal, where the first input clock signal and the second input clock signal are inverted in phase. | 09-11-2014 |