Patent application number | Description | Published |
20120182514 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first substrate, a second substrate, a liquid crystal layer between the substrates and including liquid crystal molecules, a first pixel electrode, and a second pixel electrode. The pixel electrodes each include a stem at an edge of a pixel area, and a plurality of branches extended from the stem. The branches of the pixel electrodes are alternately disposed. The liquid crystal display further includes a first region including a first interval between the branches of the first pixel electrode and adjacent branches of the second pixel electrode, and a second region including a second interval between the branches of the first pixel electrode and the adjacent branches of the second pixel electrode which is smaller than the first interval. The first region is where the stems of the first pixel electrode and the second pixel electrode are not disposed. | 07-19-2012 |
20120200552 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes first and second substrates facing each other, a liquid crystal layer between the substrates, first and second thin film transistors on the first substrate, and first and second pixel electrodes connected to the first and second thin film transistors, respectively, on the first substrate. A transverse center line bisects the first and second pixel electrodes into upper and lower portions. The first and second pixel electrodes include a plurality of branches which alternate. First and second regions include first and second intervals between adjacent branches of the first and second pixel electrodes, respectively, the first interval being larger then the second interval. At least one of the branches includes a first portion forming a first angle with the transverse center line, and a second portion forming a second angle with the transverse center line different from the first angle. | 08-09-2012 |
20140117360 | THIN FILM TRANSISTOR ARRAY PANEL AND MANUFACTURING METHOD THEREOF - Provided is a thin film transistor array panel. The thin film transistor array panel includes: an insulation substrate including a display area with a plurality of pixels and a peripheral area around the display area; a gate line and a data line positioned in the display area of the insulation substrate; a first driving signal transfer line and a second driving signal transfer line positioned in the peripheral area of the insulation substrate; a first insulating layer positioned on the gate line and the data line; and a first photosensitive film positioned on the first driving signal transfer line and the second driving signal transfer line, in which the first photosensitive film is disposed only in the peripheral area. | 05-01-2014 |
20140363961 | THIN FILM TRANSISTOR ARRAY PANEL AND MANUFACTURING METHOD THEREOF - Provided is a thin film transistor array panel. The thin film transistor array panel includes: an insulation substrate including a display area with a plurality of pixels and a peripheral area around the display area; a gate line and a data line positioned in the display area of the insulation substrate; a first driving signal transfer line and a second driving signal transfer line positioned in the peripheral area of the insulation substrate; a first insulating layer positioned on the gate line and the data line; and a first photosensitive film positioned on the first driving signal transfer line and the second driving signal transfer line, in which the first photosensitive film is disposed only in the peripheral area. | 12-11-2014 |
20150185533 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a substrate; a gate line disposed on the substrate; a storage voltage line disposed on the substrate and extending substantially parallel to the gate line; a data line disposed on the substrate; a reference voltage line disposed on the substrate and extending substantially parallel to the data line; first and second subpixel electrodes disposed in a pixel area; a first switching element connected to the gate line, the data line, and the first subpixel electrode; a second switching element connected to the gate line, the data line, and the second subpixel electrode; and a third switching element connected to the second subpixel electrode and the reference voltage line, wherein the storage voltage line and the reference voltage line are not connected to each other. | 07-02-2015 |
Patent application number | Description | Published |
20120182510 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a display device. The display device includes a first base substrate, a first alignment layer disposed on the first base substrate, a second base substrate, a second alignment layer disposed on the second base substrate, the second alignment layer facing the first alignment layer, a liquid crystal layer disposed between the first alignment layer and the second alignment layer, the liquid crystal layer including liquid crystal molecules, electrodes applying an electric field into the liquid crystal layer. At least one of the first and second alignment layers includes a main alignment layer, a polar side chain connected to the main alignment layer, the polar side chain causing an electrical interaction with the liquid crystal molecules according to the apply of the electrical field, and a non-polar side chain connected to the main alignment layer, the non-polar side chain configured to vertically align the liquid crystal molecules. | 07-19-2012 |
20130057813 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first substrate including a plurality of pixel areas, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base substrate, a first pixel electrode disposed on the first base substrate and corresponding to each pixel area, a shielding electrode spaced apart from and insulated from the first pixel electrode, a passivation layer disposed on the first pixel electrode and the shielding electrode, and a second pixel electrode disposed on the passivation layer and partially overlapped with the first pixel electrode. | 03-07-2013 |
20130128168 | LIQUID CRYSTAL DISPLAY - A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle. | 05-23-2013 |
20130141653 | DISPLAY APPARATUS - A display apparatus includes a shutter panel and a display panel that alternately displays a left-eye image and a right-eye image in a 3D mode. The shutter panel includes dual-frequency liquid crystals in which a polarity of dielectric constant anisotropy is changed according to a frequency of the driving voltage to selectively delay a phase of the left-eye image or the right-eye image, which pass through the dual-frequency liquid crystals. The dual-frequency liquid crystals have a fast response speed to the low voltage, and thus a cross-talk phenomenon between the left-eye image and the right-eye image may be prevented. | 06-06-2013 |
Patent application number | Description | Published |
20110058024 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - In a display apparatus, a display panel displays an image, and a frame rate converter separates an image signal to a first image frame for a left-eye and a second image frame for a right-eye and generates first and second intermediate image frames respectively following the first and second image frames. A timing controller converts the first and second image frames to first and second compensation frames, respectively, and sequentially provides the first compensation frame, the first intermediate image frame, the second compensation frame, and the second intermediate image frame to a data driver. The data driver converts the first and second compensation frames to a left-eye data voltage and a right-eye data voltage, respectively, and converts the first and second intermediate image frames to a predetermined black data voltage. | 03-10-2011 |
20110234560 | Display Device and Driving Method Thereof - A display device includes a signal controller processing an input image signal and an input control signal and outputting an image signal and a control signal. A gray voltage generator generates reference gray voltages. The control signal includes a selection signal. A data driver generates gray voltages based on the reference gray voltage, selects a gray voltage corresponding to the image signal among the generated gray voltages, and applies the selected gray voltage to a pixel as a first data voltage. The data driver applies a black data voltage corresponding to a black image to the pixel according to the selection signal. | 09-29-2011 |
20120249603 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a plurality of pixels, a plurality of data lines connected to the plurality of pixels, and a data driver connected to the plurality of data lines, where the data driver supplies data voltage to the plurality of data lines, where the data driver includes a data latch which outputs input image data in response to image data corresponding to the plurality of pixels, wherein the data latch rearranges a sequence of the image data, and a digital-to-analog converting unit which includes a positive digital-to-analog converter which generates a positive data voltage in response to the input image data, and a negative digital-to-analog converter which generates a negative data voltage in response to the input image data. | 10-04-2012 |
20120256199 | DISPLAY DEVICE AND A METHOD OF MANUFACTURING THE SAME - A display device includes an array substrate, a driving film and an adhesive member. The array substrate includes a first base substrate, a plurality of first signal pads formed on the first base substrate and a first dummy pad formed adjacent to the first signal pads. The driving film includes a base film, a plurality of output terminals formed on the base film and a first alignment mark formed adjacent to the output terminals. The adhesive member adheres the first signal pads to the output terminals, and adheres the first dummy pad to the first alignment mark. | 10-11-2012 |
20120293762 | GATE DRIVER AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A gate driver includes a gate integrated circuit (“IC”) chip which receives at least two scanning start signals and at least four clock control signals, and outputs a plurality of gate-on voltages, where at least two clock control signals of the at least four clock control signals are generated based on one scanning start signal of the at least two scanning start signals, timings of the at least two scanning start signals are independent of each other, and timings of the at least two clock control signals based on the one scanning start signal are independent of each other. | 11-22-2012 |
20120320301 | INTEGRATED CIRCUIT CHIP ON FILM AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - Provided is a liquid crystal display including: a liquid crystal panel, a plurality of display signal lines disposed in the liquid crystal panel, a plurality of diodes including a first diode and a second diode. The first diode is connected to each of the display signal lines in a reverse direction and the second diode is connected to each of the display signal lines in a forward direction. The liquid crystal display further includes a plurality of first dummy pads and a plurality of second dummy pads disposed on IC chips which are mounted on a film which is connected to the display panel. A first dummy voltage line is connected to the first dummy pads, a second dummy voltage line is connected to the second dummy pads, and the first dummy pads and the second dummy pads are each adapted to receive a driving voltage. | 12-20-2012 |
20130127804 | DATA DRIVING APPARATUS, DISPLAY DEVICE INCLUDING THE SAME, AND DRIVING METHOD THEREOF - The data driving apparatus includes a gamma data storage unit storing p-bit gamma data, a conversion data storage unit storing q-bit gamma data corresponding to the p-bit gamma data, a gamma data conversion unit converting the p-bit gamma data into the q-bit gamma data based on the conversion data storage unit, and a gamma voltage generator generating gamma voltage from the q-bit gamma data, in which the conversion data storage unit is refreshed in a vertical blank period. | 05-23-2013 |
20140062985 | DRIVING DEVICE OF DISPLAY DEVICE - A driving device of a display apparatus includes: a gate driver, a gate on voltage modulator, and a signal controller. The gate driver includes a plurality of gate driving circuits, each of the gate driving circuits being configured to: generate a gate signal according to a gate control signal, and apply the gate signal to at least one gate line. The gate on voltage modulator is configured to: modulate a gate on voltage according to a modulation control signal, and generate a first modulated gate on voltage. The signal controller is configured to generate the modulation control signal and the gate control signal. At least one of the plurality of gate driving circuits includes an amplifier configured to: receive the first modulated gate on voltage, and output a second modulated gate on voltage including substantially the same waveform as the first modulated gate on voltage. | 03-06-2014 |
20140368482 | GATE DRIVER AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A gate driver includes a gate integrated circuit (“IC”) chip which receives at least two scanning start signals and at least four clock control signals, and outputs a plurality of gate-on voltages, where at least two clock control signals of the at least four clock control signals are generated based on one scanning start signal of the at least two scanning start signals, timings of the at least two scanning start signals are independent of each other, and timings of the at least two clock control signals based on the one scanning start signal are independent of each other. | 12-18-2014 |
Patent application number | Description | Published |
20100134401 | Liquid Crystal Display and Method of Driving the Same - A liquid crystal display (LCD) and a method of driving the LCD are provided. The LCD includes a display panel; and a timing controller providing a first data signal to the display panel during a first frame period, a second data signal to the display panel during a second frame period and a blank signal to the display panel during a blank period between the first and second frame periods, wherein the voltage of the blank signal varies among a plurality of levels between the voltage of the first data signal and the voltage of the second data signal. | 06-03-2010 |
20130135360 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes first, second, and third gate lines. The display device further includes a first data line and a second data line neighboring the first data line. The display device further includes first, second, and third pixel electrodes connected to the first, second, and third gate lines, respectively, and further includes a fourth pixel electrode connected to the second gate line. The fourth pixel electrode is disposed between the first and third electrodes and neighbors each of the first, second, and third pixel electrodes. The first, second, and third pixel electrodes are connected to the first data line. The display device further comprises a gate driver for applying copies of a gate-on voltage to the gate lines, the gate-on voltage including a first voltage in a first horizontal period, a second voltage in a second horizontal period, and a third voltage in a third horizontal period. | 05-30-2013 |
20130201174 | LIQUID CRYSTAL DISPLAY - A display apparatus including a plurality of pixels arranged in association with a plurality of gate lines and a plurality of data lines crossing the gate lines, a data driver configured to drive the data lines, a gate driving unit configured to drive the gate lines in synchronization with a gate control signal, and a timing controller configured to control the data driver and the gate driving unit in response to an image signal and a control signal from an exterior. The timing controller outputs the gate control signal including a plurality of pulses respectively corresponding to the gate lines and an enable time of each pulse of the gate control signal is set according to a position of a corresponding gate line of the gate lines. | 08-08-2013 |
20130215160 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes pixels connected to gate lines and data lines crossing the gate lines, a data driver which drives the data lines, a gate driver which drives the gate lines, a timing controller which controls the data driver and the gate driver in response to an image signal and a control signal and outputs a first kickback signal and a second kickback signal, and a voltage generator which outputs a first gate-on voltage and a second gate-on voltage in response to the first and second kickback signals to drive the gate lines. The gate driver drives a first group of gate lines in response to the first gate-on voltage and drives a second group of the gate lines in response to the second gate-on voltage. | 08-22-2013 |
20140049526 | DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME - A driving circuit including a timing control part, a driving voltage generating part, a voltage modifying part, and a slope control part. The voltage modifying part is configured to modify the gate-on voltage to a swing-on signal based on the kickback control signal, the swing-on signal including a slicing part, the slicing part including a falling portion during which a level of the swing-on signal falls from the first high level to a second high level lower than the first high level, and a rising portion during which the level of the swing-on signal rises from the second high level to the first high level. The slope control part is configured to decrease a slew rate of the rising portion in the swing-on signal and to output the swing-on signal decreased the slew rate of the rising portion as a gate-on signal. | 02-20-2014 |
20140253418 | GATE DRIVING MODULE, DISPLAY APPARATUS HAVING THE SAME AND METHOD OF DRIVING DISPLAY PANEL USING THE SAME - A gate driving module includes a gate driver and a gate signal generator. The gate driver generates a vertical start signal, a plurality of gate clock signals and a plurality of inverse gate clock signals based on a vertical start control signal, a plurality of gate clock control signals, a gate on voltage, a first gate off voltage and a second gate off voltage. The number of the gate clock signals is P. The number of the inverse gate clock signals is P. The number of the gate clock control signals is P. P is a positive integer equal to or greater than two. The gate signal generator generates a gate signal based on the vertical start signal, the gate clock signals and the inverse gate clock signals. | 09-11-2014 |
20150035817 | CONTROL BOARD AND DISPLAY DEVICE USING THE SAME - A control board in a display device includes terminals and a control circuit. The control circuit is configured to output a control signal an image signal through the terminals and to generate a drive voltage in response to a feedback signal, which is fed back to a second terminal of the terminals when a source voltage is applied to a first terminal of the terminals. | 02-05-2015 |
20150035818 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device includes gate lines, data lines, pixels, a gate driver, a data driver, and a timing controller. The gate lines extend in a first direction. The data lines extend in a second direction crossing the first direction. Each of the pixels is connected to a corresponding gate line of the gate lines and a corresponding data line of the data lines. The gate driver is configured to drive the gate lines. The data driver is configured to drive each data line of the data lines in response to a corresponding data signal. The timing controller is configured to, in response to an image signal and a control signal, apply the corresponding data signals to the data driver and control the gate driver. Each corresponding data signal reflects a kickback compensation value corresponding to a distance between the gate driver and the corresponding data line in the first direction. | 02-05-2015 |
20150221275 | DISPLAY APPARATUS - A display apparatus including: gate lines extending in a first direction; data lines extending in a second direction intersecting the first direction; pixels connected to corresponding ones of the gate lines and data lines; a gate driver to drive the gate lines in response to a gate clock signal; a data driver to drive the data lines; a memory to store charge share signals corresponding to the gate lines; a timing controller controlling the data driver and the gate driver, in response to an externally input control signal and an image signal, and to output a gate pulse signal to the gate lines; and a clock generator configured to generate the gate clock signal in response to the gate pulse signal. The timing controller is configured to output the gate pulse signals according to the charge share signals. | 08-06-2015 |
20160086550 | DISPLAY APPARATUS AND A METHOD OF DRIVING THE SAME - A display apparatus includes a display panel, a panel driver, a light source part, and a light source driver. The display panel includes a first sub-pixel having a first primary color, a second sub-pixel having a second primary color, and a third sub-pixel having a white color. The panel driver drives the first, second, and third sub-pixels. The light source part provides the display panel with light. The light source part includes a first light source and a second light source. The first light source emits the light having a mixed color of the first primary color and the second primary color. The second light source emits the light having a third primary color. The first and second light sources are alternately turn on in one frame period. A turn-on order of the first and second light sources is changed by a unit of at least one frame period. | 03-24-2016 |
Patent application number | Description | Published |
20130135360 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes first, second, and third gate lines. The display device further includes a first data line and a second data line neighboring the first data line. The display device further includes first, second, and third pixel electrodes connected to the first, second, and third gate lines, respectively, and further includes a fourth pixel electrode connected to the second gate line. The fourth pixel electrode is disposed between the first and third electrodes and neighbors each of the first, second, and third pixel electrodes. The first, second, and third pixel electrodes are connected to the first data line. The display device further comprises a gate driver for applying copies of a gate-on voltage to the gate lines, the gate-on voltage including a first voltage in a first horizontal period, a second voltage in a second horizontal period, and a third voltage in a third horizontal period. | 05-30-2013 |
20140354625 | LIQUID CRYSTAL DISPLAY (LCD) AND METHOD OF DRIVING THE SAME - A liquid crystal display (LCD) and method of driving the same are disclosed. In one aspect, the LCD includes a display panel that includes a plurality of gate lines, a plurality of data lines, and a plurality of pixels each electrically connected to a corresponding gate line and a corresponding data line. The LCD also includes a timing controller that receives present frame data, stores previous frame data, and outputs first line data of the previous frame data and a data driver that converts the first line data to a first previous line data voltage and applies the first previous line data voltage to the data lines during a portion of a vertical blank period between a present frame and a previous frame. | 12-04-2014 |
20150054809 | CIRCUIT FOR COMPENSATING A RIPPLE, METHOD OF DRIVING DISPLAY PANEL USING THE CIRCUIT AND DISPLAY APPARATUS HAVING THE CIRCUIT - A circuit includes a reference signal generating part configured to generate a plurality of reference signals having levels different from each other, a comparing part configured to compare a ripple signal with the reference signals to determine a level of the ripple signal, a compensating signal generating part configured to generate a compensation ripple signal corresponding to the level of the ripple signal, where the compensation ripple signal has a phase opposite to the ripple signal, and a push-pull circuit configured to stabilize the compensation ripple signal. | 02-26-2015 |
20150116386 | GATE DRIVER, DISPLAY APPARATUS INCLUDING THE SAME AND METHOD OF DRIVING DISPLAY PANEL USING THE SAME - A gate driver includes a precharge signal generating part configured to generate a precharge signal which varies based on a previous data signal corresponding to a previous gate line and a data signal corresponding to a gate line, and a signal adding part configured to add the precharge signal and a non-precharge signal to generate a gate signal. | 04-30-2015 |
20150154931 | METHOD OF DRIVING A DISPLAY PANEL, DISPLAY PANEL DRIVING APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE DISPLAY PANEL DRIVING APPARATUS - A method of driving a display panel includes applying a gate signal to a gate line of a display panel to drive the gate line, and driving a data line of the display panel by applying a data signal to the data line, where the driving the data line of the display panel includes over-driving the data line based on a data load signal and a polarity control signal. | 06-04-2015 |
Patent application number | Description | Published |
20120008059 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes first and second gate lines and first and second data lines, on a first substrate, a first thin film transistor connected to the first gate and data lines and including a first source and drain electrode, a second thin film transistor connected to the second gate and data lines and including a second source and drain electrode, first and second pixel electrodes contacting a portion of the first and second drain electrodes, respectively, a passivation layer on the first and second pixel electrodes and the first and second thin film transistors, and a reference electrode on a passivation layer and overlapping the first pixel electrode and the second pixel electrode. The reference electrode includes a plurality of branch electrodes. The first thin film transistor is right of the first data line and the second thin film transistor is left of the second data line. | 01-12-2012 |
20120013815 | LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A liquid crystal display includes an insulation substrate; a gate line, a gate electrode, and a reference voltage line positioned on the insulation substrate; a reference electrode contacting the reference voltage line; a gate insulating layer disposed on the gate line and the reference electrode; a semiconductor disposed on the gate insulating layer and positioned on the gate electrode; a data line and a drain electrode disposed on the semiconductor; a passivation layer disposed on the data line and the drain electrode; and a pixel electrode connected to the drain electrode and overlapping the reference electrode. | 01-19-2012 |
20120169984 | DISPLAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A display substrate includes a gate line and a data line disposed on a base substrate. A switching element is connected to the gate line and the data line. A first pixel electrode is connected to the switching element, and a second pixel electrode is disposed on the first pixel electrode. The first pixel electrode includes first sub-electrodes that are separated by a first slit pattern. The second pixel electrode includes second sub-electrodes that are separated by a second slit pattern and extend across the first sub-electrodes. Therefore, a capacitance of a storage capacitor formed of overlapped portions of the first and second pixel electrodes is reduced, such that the charging rate of the storage capacitor is increased. | 07-05-2012 |
20140016058 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes first and second gate lines and first and second data lines, on a first substrate, a first thin film transistor connected to the first gate and data lines and including a first source and drain electrode, a second thin film transistor connected to the second gate and data lines and including a second source and drain electrode, first and second pixel electrodes contacting a portion of the first and second drain electrodes, respectively, a passivation layer on the first and second pixel electrodes and the first and second thin film transistors, and a reference electrode on a passivation layer and overlapping the first pixel electrode and the second pixel electrode. The reference electrode includes a plurality of branch electrodes. The first thin film transistor is right of the first data line and the second thin film transistor is left of the second data line. | 01-16-2014 |