Patent application number | Description | Published |
20090027350 | Touch Panel - A touch panel includes a plurality of pixels. Each pixel includes a light sensing component, a pressure sensing component, and a switch. The light sensing component generates a first sensing signal when sensing light. The pressure sensing component generates a second sensing signal when sensing pressure. The switch transmits the first and the second sensing signals when receiving a gate driving signal. | 01-29-2009 |
20090096767 | Touch-sensing display device and method for manufacturing the same - A display device and method for manufacturing the same are disclosed. The display device includes a first substrate, a second substrate, a touch-sensing element, and a liquid crystal. The first substrate has a first surface and a second surface thereon. The second substrate has a pixel array and is disposed on the second surface of the first substrate. The touch-sensing element locates on the first surface of the first substrate. Furthermore, the touch-sensing element includes a conductive layer, a patterned electrode, and a passivation layer. The patterned electrode is correspondingly located on the periphery of the first substrate, and electrically connected to the conductive layer. The passivation layer covers the conductive layer and the patterned electrode. In addition, the liquid crystal is disposed between the first substrate and the second substrate. | 04-16-2009 |
20090109357 | Liquid Crystal Display Device and Method for Driving the Same - A method for driving a liquid crystal display device includes the following steps. A driving circuit and a display unit are provided, the driving circuit comprising a plurality of data lines for transferring data voltages to drive the display unit, wherein each adjacent two of the data lines are supplied with voltages of opposite polarities, and all the data lines in one frame period are supplied with voltages of the same polarity. Two adjacent pixel areas are combined to form one pixel unit, wherein the two adjacent pixel areas are supplied with the same polarity, and the adjacent two pixel units are supplied with opposite polarities. | 04-30-2009 |
20090243981 | Driving module of display device and method for extending lifetime of the driving module - A driving module drives a display device having a plurality of pixel switches. The driving module includes a gate driving circuit, a plurality of switch components, and a shorting line. The gate driving circuit includes a plurality of output ends correspondingly coupled to the plurality of the pixel switches through a plurality of gate lines for outputting a plurality of gate driving signals and turning on the plurality of the pixel switches. The plurality of the gate lines are coupled to the shorting line through the switch components. Each control end of the switch components is coupled to the gate driving circuit for receiving the gate driving signals in order to refresh the state of the switch components. | 10-01-2009 |
20090284706 | FLAT-PANEL DISPLAY DEVICE HAVING TEST ARCHITECTURE - A flat-panel display device having test architecture is disclosed for disposing shorting bars without sacrificing wiring-on-array bus layout area of the outer-lead-bonding region. The flat-panel display device essentially includes a substrate having a plurality of driving integrated-circuit (IC) mounting areas, a plurality of signal lines and transmission lines disposed on the substrate, and a plurality of shorting bars disposed on the driving IC mounting areas. Each shorting bar is coupled to a corresponding signal line and a corresponding transmission line. Furthermore, in order to take out the laser-cutting process in the fabrication of the flat-panel display device for saving production cost, each driving IC mounting area is further disposed with a plurality of transistors for controlling the signal connections between the shorting bars and the signal lines, and also for controlling the signal connections between the shorting bars and the transmission lines. | 11-19-2009 |
20100171726 | Display Panel - A display panel is disclosed, which includes a substrate, a shift register array, plural scan lines, a compensating circuit, a first repair line, and a second repair line. The shift register array having plural shift registers is disposed on a non-display area of the substrate. The scan lines connect to the shift registers respectively to drive plural display units. The first repair line and the second repair line are connected to the compensating circuit and bridged over two ends of each scan line in the non-display area, respectively. | 07-08-2010 |
20100245298 | SHIFT REGISTER CAPABLE OF REDUCING COUPLING EFFECT - A shift register has a plurality of shift register units coupled in series. Each shift register includes a pull-up circuit, an input circuit, a pull-down circuit, a compensation circuit, an input end, an output end and a node. Each shift register unit receives an input voltage at the input end and provides an output voltage at the output end. The input circuit transmits the input voltage to the node based on a first clock signal. The pull-up circuit provides the output voltage based on a second clock signal and the voltage level of the node. The pull-down circuit selectively connects the node with the output end according to a third clock signal. The compensation circuit is coupled to the input circuit, the pull-down circuit and the node for maintaining the voltage level of the node based on the second and third clock signals. | 09-30-2010 |
20100260312 | SHIFT REGISTER OF LCD DEVICES - A shift register includes a plurality of shift register units coupled in series. Each shift register unit, receiving an input voltage at an input end and an output voltage at an output end, includes a node, a pull-up driving circuit, a pull-up circuit and first through third pull-down circuits. The pull-up driving circuit can transmit the input voltage to the node, and the pull-up circuit can provide the output voltage based on a high-frequency clock signal and the input signal. The first pull-down circuit can provide a bias voltage at the node or at the output end based on a first low-frequency clock signal. The second pull-down circuit can provide a bias voltage at the node or at the output end based on a second low-frequency clock signal. The third pull-down circuit can provide a bias voltage at the node or at the output end based on a feedback voltage. | 10-14-2010 |
20110018842 | Touch Panel - A touch panel includes a plurality of first pixels and second pixels. Each first pixel has a light sensing component for sensing light then generating a first sensing signal and a switch. The switch contains a first end coupled to the light sensing component, a control end for receiving a first gate driving signal, and a second end for transmitting the first sensing signal according to the first gate driving signal. Each second pixel includes a pressure sensing component for sensing pressure then generating a second sensing signal and a switch. The switch contains a first end coupled to the pressure sensing component, a control end for receiving a second gate driving signal, and a second end for transmitting the second sensing signal according to the second gate driving signal. | 01-27-2011 |
20110158377 | SHIFT REGISTER CIRCUIT - A shift register circuit with waveform-shaping function includes plural shift register stages. Each shift register stage includes a first input unit, a pull-up unit, a pull-down circuit, a second input unit, a control unit and a waveform-shaping unit. The first input unit is utilized for outputting a first driving control voltage in response to a first gate signal. The pull-up unit pulls up a second gate signal in response to the first driving control voltage. The pull-down circuit is employed to pull down the first driving control voltage and the second gate signal. The second input unit is utilized for outputting a second driving control voltage in response to the first gate signal. The control unit provides a control signal in response to the second driving control voltage and an auxiliary signal. The waveform-shaping unit performs a waveform-shaping operation on the second gate signal in response to the control signal. | 06-30-2011 |
20110169793 | Liquid Crystal Display, Flat Display and Gate Driving Method Thereof - In a liquid crystal display, a flat display and a gate driving method thereof, the flat display comprises first and second pixel rows, first to third gate lines and a gate driving circuit. The first gate line is for determining whether to turn on a portion of pixels in the first pixel row, the second gate line is for determining whether to turn on another portion of pixels in the first pixel row, and the third gate line is for determining whether to turn on a portion of the pixels in the second pixel row. The gate driving circuit is for providing first to third gate driving pulses to the first to third gate lines. The first and second gate driving pulses do not overlap with each other, and the third gate driving pulse partially overlaps with one of the first and second gate driving pulses. | 07-14-2011 |
20110216877 | SHIFT REGISTER CIRCUIT - A shift register circuit with waveform-shaping function includes plural shift register stages. Each shift register stage includes a first input unit, a pull-up unit, a pull-down circuit, a second input unit, a control unit and a waveform-shaping unit. The first input unit is utilized for outputting a first driving control voltage in response to a first gate signal. The pull-up unit pulls up a second gate signal in response to the first driving control voltage. The pull-down circuit is employed to pull down the first driving control voltage and the second gate signal. The second input unit is utilized for outputting a second driving control voltage in response to the first gate signal. The control unit provides a control signal in response to the second driving control voltage and an auxiliary signal. The waveform-shaping unit performs a waveform-shaping operation on the second gate signal in response to the control signal. | 09-08-2011 |
20110228891 | SHIFT REGISTER - An exemplary shift register includes a plurality of transistors. The transistors are subjected to the control of a start pulse signal, a first clock signal and a second clock signal to generate a gate driving signal. The first clock signal and the second clock signal are phase-inverted with respect to each other. A logic low level of the first clock signal and another logic low level of the second clock signal are different from each other. Moreover, the transistors are negative threshold voltage transistors. A potential at the gate of the each of the transistors is lower than another potential at the source/drain of the transistor at the situation of the transistor being switched-off state. | 09-22-2011 |
20110255652 | SHIFT REGISTER - An exemplary shift register includes a control circuit and an output circuit. The control circuit is electrically coupled to receive a start pulse signal, a first clock pulse signal and a power supply voltage and for generating an enable signal according to the start pulse signal and the first clock pulse signal. A logic low level of the first clock pulse signal is lower than a level of the power supply voltage. The output circuit is subjected to the control of the enable signal and for generating a gate driving signal according to a second clock pulse signal. The second clock pulse signal and the first clock pulse signal are phase-inverted with respect to each other, and a logic low level of the second clock pulse signal is higher than the level of the power supply voltage. | 10-20-2011 |
20120001865 | LIQUID CRYSTAL DISPLAY HAVING TOUCH INPUT SENSING AND TOUCH SENSING METHOD THEREOF - A liquid crystal display having touch input sensing includes a display panel and sensing units integrated in the display panel. The display panel has scan lines for delivering scan signals and readout lines for delivering readout signals. The sensing unit resets a sensing voltage according to a low-level voltage of the scan signal. Further, the sensing unit pulls up the sensing voltage according to a high-level voltage of the scan signal and an increase of the sensing voltage is under the control of a touch event. The readout signal is generated by the sensing unit based on the sensing voltage and the high-level voltage of the scan signal. | 01-05-2012 |
20120134460 | LAYOUT STRUCTURE OF SHIFT REGISTER CIRCUIT - An exemplary layout structure of a shift register circuit includes a first shift register and a second shift register arranged adjacent to the first shift register. The first shift register and the second shift register each receive a first signal and a second signal phase-inverted with respect to the first signal. Moreover, the first shift register and the second shift register share a common signal routing trace for receiving the first signal. The common signal routing trace is arranged extending into between the first shift register and the second shift register. | 05-31-2012 |
20120140873 | SHIFT REGISTER - An exemplary shift register includes a control circuit and an output transistor. The control circuit has a start pulse signal input terminal, a first clock pulse signal input terminal and a power supply voltage input terminal and includes a first control transistor and a second control transistor. The output transistor is electrically coupled to the first control transistor and includes a gate driving signal output terminal and a second clock pulse signal input terminal. Moreover, the first control transistor, the second control transistor and the output transistor all are negative threshold voltage transistors. | 06-07-2012 |
20120169679 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a plurality of pixel driving circuits and a pixel array. Each pixel driving circuit of the plurality of pixel driving circuits includes four thin film transistors and has four output terminals, where each thin film transistor is used for driving an output terminal of the four output terminals, and the four output terminals are coupled to two gate lines and two sharing lines respectively for outputting two main output signals and two sharing output signals. The phases and timings of the two main output signals and the two sharing output signals are all the same. A pixel of the pixel array is charged/discharged to a specific voltage level according to a main output signal of the two main output signals, a sharing output signal, and a signal of a data line. | 07-05-2012 |
20120194464 | TOUCH-SENSING DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A touch panel display and method for manufacturing the same are disclosed. The touch panel display includes a first substrate, a second substrate, a touch-sensing member, and a liquid crystal layer. The first substrate has a first surface and a second surface thereon. The second substrate has an element array and is disposed on the second surface of the first substrate. The touch-sensing member locates on the first surface of the first substrate. Furthermore, the touch-sensing member includes a conductive layer, a patterned electrode layer, and a protective layer. The patterned electrode layer is correspondingly located on the periphery of the first substrate. The protective layer covers the conductive layer, and the patterned electrode layer. The conductive layer locates between the protective layer and the first substrate. In addition, the liquid crystal layer is disposed between the first and the second substrate. | 08-02-2012 |
20120250816 | SHIFT REGISTER OF LCD DEVICES - A shift register includes a plurality of shift register units coupled in series. Each shift register unit, receiving an input voltage at an input end and an output voltage at an output end, includes a node, a pull-up driving circuit, a pull-up circuit and first through third pull-down circuits. The pull-up driving circuit can transmit the input voltage to the node, and the pull-up circuit can provide the output voltage based on a high-frequency clock signal and the input signal. The first pull-down circuit can provide a bias voltage at the node or at the output end based on a first low-frequency clock signal. The second pull-down circuit can provide a bias voltage at the node or at the output end based on a second low-frequency clock signal. The third pull-down circuit can provide a bias voltage at the node or at the output end based on a feedback voltage. | 10-04-2012 |
20130070891 | SHIFT REGISTER OF LCD DEVICES - A shift register includes a plurality of shift register units coupled in series. Each shift register unit, receiving an input voltage at an input end and an output voltage at an output end, includes a node, a pull-up driving circuit, a pull-up circuit and first through third pull-down circuits. The pull-up driving circuit can transmit the input voltage to the node, and the pull-up circuit can provide the output voltage based on a high-frequency clock signal and the input signal. The first pull-down circuit can provide a bias voltage at the node or at the output end based on a first low-frequency clock signal. The second pull-down circuit can provide a bias voltage at the node or at the output end based on a second low-frequency clock signal. The third pull-down circuit can provide a bias voltage at the node or at the output end based on a feedback voltage. | 03-21-2013 |
20140307430 | TRANSPARENT DISPLAY DEVICE AND TRANSPARENT DISPLAY PANEL - A transparent display device includes at least a first transparent display panel and a second transparent display panel, each of which has transparent regions and display regions. The arrangements of the transparent regions and display regions of the first transparent display panel and the second transparent display panel are opposite to each other. The transparent display device can apply a high transparency display mode or a lower transparency display mode by arranging the relative position of the first and second transparent display panels. In the lower transparency display mode, the first and second transparent display panels are at least partial overlapped with each other so as to display clear image with high definition. | 10-16-2014 |
20150049853 | Shift Register Circuit - A shift register circuit includes first-type and second-type shift registers, each comprising a pull-down control circuit, a pull-down circuit, a key pull-down circuit, a 3D-mode pull-up circuit, and a 2D-mode pull-up circuit. The pull-down circuit is connected to the pull-down control circuit. The key pull-down circuit, connected to the pull-down circuit, pulls down a driving signal and a gate control signal. When the 2D-mode pull-up circuit operates, a first-type shift register generates a driving signal for a second-type shift register. When the 3D-mode pull-up circuit operates, a first-type shift register generates another driving signal for another first-type shift register. | 02-19-2015 |
20150070255 | GATE DRIVING CIRCUIT AND DISPLAY DEVICE HAVING THE SAME - A gate driving circuit includes plural-stage output circuits, an Nth stage output circuit of the plural-stage output circuits includes an Nth stage shift register and a mixer. The Nth stage shift register is configured to output an Nth pulse signal. The mixer is coupled to the Nth stage shift register and an (N+M)th stage shift register, for respectively outputting a first clock signal and a predetermined pulse signal during different periods according to the Nth pulse signal and an (N+M)th pulse signal of the (N+M)th stage shift register. Wherein pulse widths or phases of the first clock signal and the predetermined pulse signal are different, and N and M are positive integers. | 03-12-2015 |