Class / Patent application number | Description | Number of patent applications / Date published |
345215000 | Including priming means | 68 |
20080238912 | ELECTRO OPTICAL DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC APPARATUS - A driving method of an electro optical device includes pre-charging “m” columns of data lines belonging to each block to at least two different voltages before selecting the block. In addition, the combination of the at least two different voltages pre-charged to the “m” columns of data lines belonging to each block is switched each time a scanning line is selected. | 10-02-2008 |
20080303809 | Display and method of driving the same - Disclosed are a display and a method of driving the display. The display includes a display panel on which a plurality of data lines are formed, a data driver for supplying data voltages generated by modulating input image data to the respective data lines. The data driver includes a precharging unit for selecting a specific precharge voltage from a plurality of precharge voltages applied to the data driver depending on grayscale sections of the input image data, and for precharging the selected precharge voltages to the respective data lines. | 12-11-2008 |
20090009510 | Data line driving circuit, display device and method of driving data line - A data line driving circuit in a display device has an output terminal and a precharge circuit. The output terminal is connected to a pixel of a display panel through a data line. A gray-scale voltage corresponding to a display data is applied to the data line through the output terminal. The precharge circuit precharges the output terminal to a precharge voltage before the gray-scale voltage is applied to the data line. The precharge voltage depends on the gray-scale voltage. | 01-08-2009 |
20090115774 | Control circuit for a bandgap circuit - A control circuit for a start-up circuit that induces current flow in a bandgap circuit during a start-up phase is disclosed. A comparator passes a power supply to the start-up circuit according to an internal node of the bandgap circuit after the start-up phase. An activating circuit is used to activate the comparator to obtain the power supply at an output earlier than another output node of the comparator. | 05-07-2009 |
20090115775 | Control circuit for a bandgap circuit - A control circuit for a start-up circuit that induces current flow in a bandgap circuit during a start-up phase is disclosed. The control circuit is configured to pass a power supply to the start-up circuit according to an internal node of the bandgap circuit after the start-up phase. | 05-07-2009 |
20090153547 | Electronic device of a source driver in an LCD device for enhancing output voltage accuracy - An electronic device of a source driver in an LCD device, for enhancing accuracy of voltage outputted to an equivalent capacitor of a panel of the LCD device, includes a first node, a second node, an output unit, a first charge sharing switch, a second charge sharing switch, a first precharge switch, and a second precharge switch. The electronic device only uses two precharge switches to implement the precharge function and can decrease the current limiting resistor for enhancing the output voltage accuracy and decrease the charge time of the equivalent capacitor. | 06-18-2009 |
20090295786 | DRIVING CIRCUIT FOR A LIQUID CRYSTAL DISPLAY - A driving circuit for a liquid crystal display module having an array of liquid crystal cells and signal lines, each liquid crystal cell being chargeable via one of the signal lines by any amount between two saturated values so as to provide a corresponding display intensity. The driving circuit is configured to charge selectively all the liquid crystal cells of the array during a frame period so as to cause the array of liquid crystal cells to display an image. During a normal mode of operation, all of the liquid crystal cells are recharged repeatedly at a first refreshed rate. During a low power mode of operation, all of the liquid crystal cells are recharged repeatedly at a second refresh rate, lower than said first refreshed rate. Also, during the low power mode of operation, all of the liquid crystal cells are charged only to one or other of the two saturated values. | 12-03-2009 |
20090322737 | Gate Driver, Method of Driving the Gate Driver, and Display Panel Driving Apparatus Including the Gate Driver - A display panel driving apparatus and a method of driving the same are provided, and, in particular, a gate driver and a method of driving the gate driver. The gate driver includes a decoder that decodes gate line selection data and that generates a gate line selection signal. A gate driving circuit generates a gate driving signal in a pre-charging phase and a driving phase in response to the gate line selection signal and a pre-charging control signal that controls an off-state of non-selected gate lines. In a time period of the driving phase in which a gate line is not selected, a node that has been in a floating state is held to a target voltage level in response to a hold control signal. The hold control signal is generated based upon a timing relationship between the gate line selection signal and the pre-charging control signal. | 12-31-2009 |
20100013826 | DISPLAY APPARATUS HAVING PRECHARGE CAPABILITY - A display includes capacitive display elements, output drivers, scan switches, precharge switches, and a precharge stopper. The drivers provide drive currents or voltages corresponding to display data, thereby driving the display elements correspondingly to the data. The precharge stopper determines whether display data corresponds to a specific state and prevents the display element from being precharged when the display data corresponds to the specific state. | 01-21-2010 |
20100033477 | Display panel module and electronic apparatus - Disclosed herein is a self-light-emission-type display panel module including: a pixel array section including pixel areas laid out to form a 2-dimensional matrix in a display area to serve as pixel areas each having a signal holding capacitor, a device driving transistor, and a signal sampling transistor; and a third driving section configured to provide a second control line connected to the other main electrode of the device driving transistor sequentially from time to time with the three different driving voltages. | 02-11-2010 |
20100110067 | ACTIVE MATRIX TYPE LIQUID CRYSTAL DISPLAY - An active matrix type liquid crystal display is disclosed. The liquid crystal display comprises a plurality of pixel elements arranged in the form of a matrix. Each of the pixel elements comprises a liquid crystal element, a dynamic memory cell and a switch device. The dynamic memory cell is disposed at the intersection point of a source line and a gate line to periodically perform refreshing for inversing the output status of the dynamic memory cell, wherein the transmittance of the liquid crystal element is controlled by a digital output of the dynamic memory cell. The switch device is disposed between the dynamic memory cell and the liquid crystal element and uses a control signal to control the connection between the output of the dynamic memory cell and the liquid crystal elements. | 05-06-2010 |
20100295845 | Back to back pre-charge scheme - A circuit for a flat panel display, capable of displaying images, is provided. The circuit includes an image storage block for storing the images to be displayed, a display and timing controller block controlling the display operation, an image pixel matrix containing a multitude of rows and columns arranged pixel elements. The circuit also includes one or more controlled row driver blocks, one or more controlled column driver blocks, and a pixel pre-charge mechanism for pre-charging the pixel elements employing a back to back pre-charge operation applied to a row and/or column drive activated pixel element display operation. The back to back pre-charge operation signifies that during every other operating sequence a pre-charge operation is replaced by an activated pixel element display operation. | 11-25-2010 |
20110227908 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display includes a scan driver configured to supply scan signals to scan lines and to supply emission control signals to emission control lines, a data driver configured to supply data signals and an initialization voltage to data lines, and pixels positioned at crossing regions of the scan lines and the data lines, each of the pixels comprising an organic light emitting diode (OLED) and a first transistor for controlling an amount of current supplied from a first power source and having a second electrode coupled to the first power source and a first electrode coupled to the OLED, wherein a gate electrode of the first transistor of a first pixel from among the pixels positioned on an i | 09-22-2011 |
20120056870 | TIMING CONTROLLER, COLUMN DRIVER AND DISPLAY APPARATUS COMPRISING SAME - The present invention relates to a timing controller, to a column driver, and to a display apparatus, comprising same. More particularly, the present invention relates to a timing controller, to a column driver, and to a display apparatus for providing a structure of a data signal transmission line and a signal transmission protocol which can achieve high signal quality and a low EMI level and which are highly efficient in effectively transmitting data. | 03-08-2012 |
20120086703 | Display Driving Circuit, Display Device And Display Driving Method - A display driving circuit for driving a liquid crystal display panel includes a shift register including a plurality of shift register circuits provided in such a way as to correspond to a plurality of gate lines, respectively, the display driving circuit having latch circuits provided in such a way as to correspond one-by-one to the shift register circuits, a polarity signal being inputted to the latch circuits. When a internal signal generated by a shift register circuit becomes active, a latch circuit loads and retains the polarity signal, and an output from the latch circuit is supplied to a CS bus line. The internal signal becomes active before a first vertical scanning period of a display picture. | 04-12-2012 |
20120127153 | Display Device And Display Device Driving Method - An active matrix display device is disclosed in which, during each kth period, each data signal line is supplied with a signal whose electric potential polarity is constant, and a picture element to which a signal finishes being written within the kth period is caused to be in a selected state from a (k−1)th period to the kth period so as to be conductive to a data signal line connected thereto, and during each kth period (1≦k≦n−1) for the effective display region, a data signal line that is not connected to a picture element to which a signal finishes being written within the kth period is supplied with a signal that was supplied to this data signal line during the (k−1)th period. | 05-24-2012 |
20120169709 | Gate driving circuit and display device including the same - A gate driving circuit includes a pre-charge unit, a pull-up unit, a first capacitor, and a discharge unit. The pre-charge unit pre-charges a first node in response to a first input signal. The pull-up unit outputs a gate driving signal for driving a gate line to a first clock signal in response to a signal at the first node. The first capacitor is connected between the first node and a first voltage. The discharge unit discharges the first node in response to a second input signal and a second clock signal. | 07-05-2012 |
20120262443 | METHOD FOR FRAME SCANNING AND PIXEL STRUCTURE, ARRAY SUBSTRATE AND DISPLAY APPARATUS - Provided are a method for frame scanning pixel electrodes, a pixel structure, an array substrate and a display apparatus, each pixel electrode is divided into a charging pixel electrode and a displaying pixel electrode, the method comprising: charging respective charging pixel electrodes in a row-by-row scanning mode; and charging, by the charging pixel electrodes, their corresponding displaying pixel electrodes respectively when the scanning of one frame of picture is finished. With the present disclosure, the frame scanning is realized, thus improving the brightness in stereoscopic displaying in a line scanning mode and reducing occurrence of crosstalk in stereoscopic displaying in the line scanning mode. | 10-18-2012 |
20130021321 | LCD device and a related driving method - The present invention proposes a LCD device and a driving method thereof. Before required data voltage is applied on each pixel, each pixel is pre-charged to a high voltage level by adjusting outputted voltage level of a common line, thereby over-driving each pixel. The present invention also discloses a method of driving a LCD device. The present invention does not need the frame buffer such that the cost is reduced. Furthermore, a complicated timing function is not required to perform the over-driving operation. Moreover, the liquid crystal molecules of the pixels are not instantly driven to rotate through an incorrect angle if a prior art method of looking up tables to perform the over-driving operation. | 01-24-2013 |
20130033481 | LCD DEVICE AND DRIVING METHOD THEREOF - The present invention discloses an LCD device. The LCD device charges each pixel with a high voltage before writing into a correct data signal, that is, an over driving is performed before the correct data signal is written into the pixel. The present invention also discloses a driving method for the LCD device. Compared with the prior art, the frame buffer is not required in the present invention on one hand; the over driving can be performed without complex timing functions on another hand; and the incorrect twist angles of the liquid crystals which are driven instantaneously can be significantly avoided when using the conventional over driving by a look-up table for comparing two sequential image signals. | 02-07-2013 |
20130141417 | Drive Circuit, LCD Panel Module, LCD Device, and Driving Method - The invention discloses a drive circuit, an LCD panel module, an LCD device, and a driving method. A drive circuit for an LCD device, includes: scan line(s), data line(s), common line(s), and a pixel TFT; a source electrode of the pixel TFT is connected with the data line, a gate electrode of the pixel TFT is connected with the scan line, and a controllable switch is connected between a drain electrode of the pixel TFT and the common line. The invention can reduce the scanning time and improve the charging rate of the pixel electrode. | 06-06-2013 |
20130314397 | DISPLAY DEVICE AND METHOD FOR DRIVING SAME - In each pixel formation portion of a display device, an amplification electrode is provided which is connected to a drain electrode of a thin-film transistor whose gate electrode is connected to a gate bus line and whose source electrode is connected to a source bus line. A second-capacitor is formed by the amplification electrode and a pixel electrode. A selection period is constituted by a precharge period and an amplification period. In the precharge period, a video signal potential is applied to the pixel electrode and a potential of a control wire is applied to the amplification electrode. In the amplification period, a video signal potential is applied to the amplification electrode with the pixel electrode being in a floating state. | 11-28-2013 |
20140111506 | Pixel Circuit, Method For Driving The Same, Display Device And Display Method - A pixel circuit comprising a plurality of pixel units, wherein each pixel unit comprises a data line ( | 04-24-2014 |
20140139511 | METHOD FOR CHARGING PIXEL POINTS ON TFT-LCD SUBSTRATE, DEVICE FOR THE SAME, AND SOURCE DRIVER - Disclosed are a method, a device and a source driver for charging pixel points on a TFT-LCD substrate, which are capable of charging electrodes on an upper substrate and pixel points on a lower substrate. The charging method includes: switching on a first, second, third and fourth switches, switching off a fifth, sixth and seventh switches, and charging a first, second, third and fourth capacitors; switching off the first, second, third, fourth, sixth and seventh switches, and charging a fifth capacitor; switching off the fifth switch, switching on the first, second, third, fourth, sixth and seventh switches, so that the first capacitor stores positive six-bit pixel voltage and the fourth capacitor stores negative six-bit pixel voltage; and charging the pixel points on the lower substrate by the first and fourth capacitors, and charging the electrodes on the upper substrate by the fifth capacitor. | 05-22-2014 |
20140160111 | ARRAY SUBSTRATE, 3D DISPLAY DEVICE AND DRIVING METHOD FOR THE SAME - According to embodiments of the present invention, the gate lines of the array substrate receive the gate scanning signal in a preset time period. Specifically, the gate lines of pixel units in odd rows are receiving the gate scanning signal in the first time interval of the preset time period, and the gate lines of pixel units in even rows are receiving the gate scanning signal in the second time interval of the preset time period. | 06-12-2014 |
20140320483 | START CONTROL CIRCUIT, DISPLAY PANEL DRIVING CIRCUIT AND DISPLAY DEVICE - A start control circuit is provided, which comprises a first switch unit, a start control unit and a second switch unit; the first switch unit is configured to determine a charging path of the start control unit according to the input signals of different start modes; the start control unit is configured to carry out the corresponding start modes, and start energy of the corresponding start modes is stored during a period of charging time corresponding to the charging path, thereby control the current of the second switch unit at the starting moment; and the second switch unit is configured to control an external circuit by receiving gating signals outputted from the start control unit. The present invention also provides a display panel driving circuit and a display device using the start control circuit. | 10-30-2014 |
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 |
20150145853 | PIXEL CIRCUIT, METHOD FOR DRIVING THE SAME, ARRAY SUBSTRATE, DISPLAY DEVICE - A pixel circuit and method for driving the same, an array substrate, and a display device are provided, wherein the pixel circuit includes a driving transistor (DTFT), a first switching transistor (M | 05-28-2015 |
20150294632 | LIQUID CRYSTAL PANEL, DRIVING METHOD AND LIQUID CRYSTAL DEVICE - A liquid crystal panel includes a plurality of pixels arranged in a matrix form, a plurality of charge-filling gate lines, and a plurality of charge-sharing gate lines. Each pixel column electrically couples to one charge-filling gate line and one charge-sharing gate line. The charge-sharing gate line electrically coupled with the n-th pixel column is electrically coupled with the charge-filling gate line electrically coupled with the (n+m)-th pixel column The charge-filling gate line electrically coupled with each pixel column is inputted with first driving signal when the liquid crystal panel is driven in a 2D display mode and is inputted with second driving signals when the liquid crystal panel is driven in a 3D display mode. In addition, a driving method of the liquid crystal panel and the liquid crystal device incorporating the liquid crystal panel are disclosed. | 10-15-2015 |
20150295568 | LATCH CIRCUIT AND DISPLAY DEVICE - A latch circuit which can control a drain avalanche effect and improve reliability is provided. The latch circuit includes an input transistor importing a voltage corresponding to “0” or “1” when the scanning voltage is input to a gate, a storage capacitance storing a voltage imported by the input transistor, and having a first electrode and a second electrode, the first electrode is input with a capacitance control signal and the second electrode is connected to a second electrode of the input transistor, a first conduction type first transistor having a gate connected to the second electrode of the input transistor, a second electrode connected to a first output terminal, and a first electrode input with a first latch control signal, and a second conduction type second transistor having a gate connected to the second electrode of the first transistor, a second electrode connected to a second output terminal, and a first electrode input with a second latch control signal. | 10-15-2015 |
20150302933 | SHIFT REGISTER, GATE DRIVING CIRCUIT, ARRAY SUBSTRATE AND DISPLAY DEVICE - Embodiments of the present disclosure disclose a shift register, a gate driving circuit, an array substrate and a display apparatus capable of effectively eliminating a drifting phenomenon of an output signal and increasing an output stability of the shift register. The shift register comprises input terminals of the shift register comprising a start signal input terminal, a first clock signal input terminal and a second clock signal input terminal; a pre-charging circuit which is in response to a start signal and a first clock signal; a first pulling-up circuit which is in response to an enable level of the start signal and an enable level of the first clock signal; a pulling-down circuit which is in response to a disable level of the first clock signal and an enable level of the second clock signal; a second pulling-up circuit; and an output terminal of the shift register. | 10-22-2015 |
20150310818 | DISPLAY DEVICE AND ELECTRONIC DEVICE INCORPORATING SAME - Disclosed is a display device for use of a surface display of an arbitrary shape, including a plural number of display element units, each made up of a circuit that forms a single stage of a scanning circuit and a pixel circuit connected to an output of the scanning circuit, are arranged in a unicursal fashion on a display substrate. | 10-29-2015 |
20150332630 | SENSING APPARATUS OF DISPLAY PANEL - The sensing apparatus includes a sensor and a sampling amplifier. The sensor includes switches, capacitors and gain amplifiers. Second terminals of first and second switches respectively coupled to first and second terminals of third switch. First and second terminals of the first capacitor respectively coupled to a reference voltage and the second terminal of the first switch. Input terminals of the first and the second gain amplifiers respectively coupled to the second terminals of the first and the second switches, and output terminals of the first and the second gain amplifiers respectively coupled to the first and the second input terminals of the sampling amplifier. The first terminal of the second switch coupled to a common mode voltage. The first terminal of the first switch coupled to the pixel circuit via the data line of the display panel. | 11-19-2015 |
20150333620 | System and Method for Controlling Charge Pump Circuit, and Display Device - The present disclosure provides a system and a method for controlling a charge pump circuit, and a display device. The system includes the charge pump circuit configured to output a driving voltage to a gate driver circuit; and a controlling device in communication with the charge pump circuit and a timer and configured to, when a working time of the gate driver circuit is equal to a predefined working time threshold, reset the working time of the gate driver circuit to an initial value, acquire a compensating voltage corresponding to the working time of the gate driver circuit in accordance with a correspondence between the working time and the compensating voltage, output a compensating voltage signal and increase the driving voltage outputted by the charge pump circuit by the compensating voltage. | 11-19-2015 |
20150339973 | PIXEL CIRCUIT AND DRIVING METHOD THEREOF AND DISPLAY APPARATUS - Provided are a pixel circuit and driving method thereof and a display apparatus. The pixel circuit comprises a first transistor (T | 11-26-2015 |
20150356913 | GATE DRIVING CIRCUIT AND ORGANIC LIGHT EMITTING DISPLAY DEVICE HAVING THE SAME - A gate driver includes a plurality of stages. Each stage includes a first input circuit, a first gate signal circuit, a second gate signal circuit, an inverting circuit, a first emission signal circuit, and a second emission signal circuit. The first gate signal circuit and second gate signal circuit are configured to generate a first logic level or a second logic level. The first emission signal circuit and the second emission signal circuit are configured to generate a first voltage or a second voltage in response to a voltage of a first node or a second node. | 12-10-2015 |
20150364084 | PIXEL DRIVING CIRCUIT AND ORGANIC LIGHT EMITTING DISPLAY DEVICE - Embodiments of the invention provide a pixel driving circuit and a display device, and the pixel driving circuit includes a drive transistor and an organic light emitting diode, where a cathode of the organic light emitting diode receives a first power supply signal, and an anode of the organic light emitting diode is connected with a gate electrode of the drive transistor; the first power supply signal is loaded to the gate electrode of the drive transistor through the cathode and the anode of the organic light emitting diode to reset a signal at the gate electrode of the drive transistor during an operating period of the pixel driving circuit; and the first power supply signal is a low-level signal. | 12-17-2015 |
20150379919 | TFT ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE - A TFT array substrate is disclosed. The substrate includes a plurality of gate lines, and a first gate drive circuit, where the first gate drive circuit includes m levels of first repeat units. Each level of first repeat unit includes a first shift register. The substrate also includes a second gate drive circuit, where the second gate drive circuit includes n levels of second repeat units. Each level of second repeat unit includes a second shift register. The substrate also includes a first start signal line and a first start transistor, where a drain of the first start transistor is electrically connected with the first start signal line. The substrate also includes a second start transistor, where a drain of the second start transistor is electrically connected with the first start signal line. | 12-31-2015 |
20150379926 | OLED INVERTING CIRCUIT AND DISPLAY PANEL - An inverting circuit is disclosed. The inverting circuit includes a pull-up unit including first, second, and third terminals. The first terminal receives a first control signal, and the third terminal is connected to a signal output terminal and outputs a first level signal. The inverting circuit also includes a pull-down unit including fourth, fifth, and sixth terminals. The fourth terminal is connected to the second terminal of the pull-up unit, and the fifth terminal receives a second control signal. In addition, the sixth terminal is connected to the signal output terminal and outputs a second level signal. The inverting circuit also includes a first capacitor, connected to the second terminal of the pull-up unit and the fourth terminal of the pull-down unit, and to the third terminal of the pull-up unit and the sixth terminal of the pull-down unit. | 12-31-2015 |
20160012771 | SEMICONDUCTOR DEVICE AND DRIVING METHOD THEREOF | 01-14-2016 |
20160012779 | PIXEL CIRCUIT AND ORGANIC LIGHT EMITTING DISPLAY INCLUDING THE SAME | 01-14-2016 |
20160027526 | SHIFT REGISTER UNIT, GOA CIRCUIT, ARRAY SUBSTRATE AND DISPLAY DEVICE - A shift register unit, a GOA circuit, an array substrate and a display device are provided. The shift register unit comprises an input module, a charging module, a reset module, a first switch module T | 01-28-2016 |
20160035271 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a first unit pixel disposed in a first pixel column and a first pixel row, and a second unit pixel disposed in the first pixel column and a second pixel row adjacent to the first pixel row, and first and second gate lines extending in a row direction and having gate voltage input pads at a terminal portion thereof. First and second data lines extend in a column direction and are connected to the first unit pixel and the second unit pixel, respectively. A first charge control line extends in the row direction and has a charge control gate voltage input pad disposed at a terminal portion thereof. The first gate line is connected to the first unit pixel and the second gate line is connected to the second unit pixel. The first gate line and the second gate line simultaneously receive a same gate pulse. | 02-04-2016 |
20160042692 | ELECTRO-OPTICAL DEVICE, ELECTRONIC APPARATUS, AND METHOD OF DRIVING ELECTRO-OPTICAL DEVICE - An electro-optical device includes a first data transfer line that intersects a scan line, a second data transfer line, a first transistor that controls coupling between the first data transfer line and the second transfer line. The two or more second data transfer lines are respectively coupled to the first data transfer line via first capacitors, and when a collection of pixel circuits that are coupled to the same first data transfer line via the second data transfer lines is referred to as a pixel string, the second data transfer lines are provided to pixel circuits less than the pixel circuits included in the pixel string. | 02-11-2016 |
20160078810 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes data lines and an auxiliary data line, scan lines and emission control lines crossing the data lines and the auxiliary data line, display pixels at crossing regions of the data lines, the scan lines and the emission control lines, auxiliary pixels at crossing regions of the auxiliary data line, the scan lines and the emission control lines, and auxiliary lines coupled to the auxiliary pixels. Each of the auxiliary pixels includes a discharge transistor coupled to one of the auxiliary lines and a first power voltage line to which a first power voltage is supplied and a discharge transistor controller including a plurality of transistors and configured to control the discharge transistor. | 03-17-2016 |
20160078812 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes: a data line and an auxiliary data line; a scan line disposed crossing the a data line and the auxiliary data line; a display pixel disposed where the data line and the scan line cross; an auxiliary pixel disposed where the auxiliary data line, and the scan line cross; and an auxiliary line connected to the auxiliary pixel, wherein the auxiliary pixel includes: a discharge transistor coupled to the auxiliary line and a first power voltage line to which a first power voltage is supplied; and a discharge transistor controller configured to switch the discharge transistor. | 03-17-2016 |
20160078816 | COMPENSATION OF THRESHOLD VOLTAGE IN DRIVING TRANSISTOR OF ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - The organic light emitting diode display device comprising a display panel a plurality of pixels arranged in a matrix form, each of the pixels comprising: a driving TFT including a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage line; an organic light emitting diode including an anode coupled to the second node and a cathode coupled to a low-potential voltage line; a first TFT supplying a data voltage to the first node in response to a scan signal; a initialization control circuit initializing the first node to a first reference voltage and the second node or the third node to a second reference voltage in response to a initialization signal and an emission signal; and capacitors. | 03-17-2016 |
20160086562 | SHIFT REGISTER UNIT, GATE DRIVING CIRCUIT AND DISPLAY APPARATUS - A shift register unit, a gate driving circuit and a display apparatus. The shift register unit comprises a bidirectional scan pre-charging module, a pulling-up module, a pulling-down control module, a reset module and a pulling-down module. A connection point where the bidirectional scan pre-charging module and the pulling-up module are connected serves as a pulling-up control node. A connection point where the pulling-down control module and the pulling-down module are connected serves as a pulling-down control node. The pulling-down control module is configured to perform a pulling-down control according to signals inputted from the second clock signal terminal, the third clock signal terminal, and the fourth clock signal terminal. A bidirectional scanning can be achieved by the bidirectional scan pre-charging module, and the potential at the pulling-up control node and the output signal of the signal output terminal are pulled down to the low level via the pulling-down module, so that the bidirectional pulling-down can be realized. Further, the shift register unit is driven by four clock signal terminals, thus reducing the power consumption of the circuit. | 03-24-2016 |
20160117976 | ELECTROPHORETIC DISPLAY APPARATUS AND ELECTRONIC DEVICE - An electrophoretic display apparatus includes a data line charging circuit; an adjustment resistance; a first switching portion that cause a first data line end portion of the data line to be electrically connected to any one of a data line driving circuit and the adjustment resistance; a second switching portion that cause a second data line end portion of the data line to be electrically connected to or disconnected from the data line charging circuit; and a control portion that perform control such that the first switching portion causes the first data line end portion of the data line to be electrically connected to the adjustment resistance, and subsequently allow starting of a precharge operation by performing control such that the second switching portion causes the second data line end portion of the data line to be electrically connected to the data line charging circuit. | 04-28-2016 |
20160125774 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting display device includes pixels. Each of the pixels includes an organic light emitting diode. The organic light emitting diode does not emit light during a first period where a voltage having a first level voltage is applied to the first voltage supply line, and the organic light emitting diode emits light during a second period where a second level voltage is applied to the first voltage supply line. | 05-05-2016 |
20160125779 | DISPLAY DRIVING APPARATUS, METHOD FOR DRIVING DISPLAY PANEL AND DISPLAY PANEL - A display panel including a plurality of pixels, a plurality of scan lines and a plurality of data lines is provided. The pixels are arranged in an array, and the array includes columns and rows. Each of the scan lines is coupled to the pixels located on the same row. Each of the data lines is coupled to the pixels located on the same column. The data lines are grouped into a plurality of data line groups, and each of the data line groups includes three or more data lines. The data line groups are respectively located between the pixels on the same row. The data line groups are configured to write display data into the pixels when the pixels are turned on. A display driving apparatus and a method for driving the display panel are also provided. | 05-05-2016 |
20160125825 | DISPLAY PANEL, AND PIXEL STRUCTURE AND DRIVING METHOD THEREOF - The present disclosure relates to a display panel, and a pixel structure and a driving method thereof. The pixel structure comprises a plurality of sub-pixels, each of which comprises: a main portion configured to receive a scan signal on a first scan line, so as to receive a data signal on a data line and then have a main-portion voltage; a first portion electrically connected to the main portion and configured to receive the scan signal on the first scan line, so as to receive the main-portion voltage and then have a first-portion voltage; and a second portion configured to receive a scan signal on a second scan line, so as to receive the data signal on the data line and then have a second-portion voltage, wherein the main-portion voltage, the first-portion voltage, and the second-portion voltage are different from one another. The display panel not only achieves low color shift for 2D display, but also enables low color shift for 3D display by using a voltage difference between the main portion and the first portion after forming the second portion into a light shading area. | 05-05-2016 |
20160125826 | DISPLAY PANEL, PIXEL STRUCTURE THEREOF AND METHOD FOR DRIVING THE DISPLAY PANEL - The present disclosure relates to a display panel, a pixel structure, and a method for driving the display panel. The pixel structure comprises a plurality of sub-pixels, each of which comprises: a main portion configured to receive a scan signal of a first scan line, and then to receive a data signal of a data line, so that it has a main-portion voltage; a first portion configured to receive the scan signal of the first scan line, and then to receive the data signal of the data line, so that it has a first-portion voltage; and a second portion configured to receive a scan signal of a second scan line, and then to receive the data signal of the data line, so that it a second-portion voltage, wherein the main-portion voltage, the first-portion voltage and the second-portion voltage are different from one another. The display panel can not only achieve lower color shift for 2D display, but also enable lower color shift for 3D display by using a voltage difference between the main portion and the first portion after turning the second portion into a light shielding area. | 05-05-2016 |
20160140926 | SCAN DRIVING CIRCUIT - A scan driving circuit includes a pull controlling module for generating scan level signal based on transferring signals from the previous one stage and from the previous two stage, a pull-up module, a pull-down module, a pull-down holding module, a transferring module, a first bootstrap capacitor, a constant low voltage level source, and a second bootstrap capacitor for pulling up the scan level signal through the transferring signal from the previous one stage. The present invention upgrades a reliability of the scan driving circuit. | 05-19-2016 |
20160155379 | ORGANIC LIGHT EMITTING DISPLAY AND DRIVING METHOD OF THE SAME | 06-02-2016 |
20160155381 | ORGANIC LIGHT-EMITTING DISPLAY | 06-02-2016 |
20160163263 | PIXEL CIRCUIT, DRIVING CIRCUIT, ARRAY SUBSTRATE AND DISPLAY DEVICE - The present disclosure relates to the OLED display technology. There are provided a pixel circuit, a driving circuit, an array substrate and a display device, which are supplied with the voltage by the light emitting operation voltage when the pixel circuit enters the light emitting stage, by inputting an inverse signal synchronized with the pre-charging control voltage at the input terminal of the light emitting operation voltage to ensure a stable output of the current by the circuit at the light emitting stage. Also, it does not require an arrangement of an external voltage input terminal which will affect the aperture ratio, thereby increasing the aperture ratio of the OLED employing the current-driven pixel circuit while ensuring the stable output of the current by the current-driven circuit, and thus increasing the lifetime of the OLED employing the current-driven pixel circuit. | 06-09-2016 |
20160163284 | DRIVER AND ELECTRONIC DEVICE - A driver and an electronic device include a capacitor driving circuit and a capacitor circuit having a plurality of capacitors provided between a plurality of capacitor driving nodes and a data voltage output terminal, and the capacitor driving circuit includes a plurality of driving units that output capacitor driving voltages. In the case where the capacitor that has the highest capacitance among the plurality of capacitors is driven, the driving unit that drives that highest capacitor is a driving unit whose driving capability is variable. | 06-09-2016 |
20160163285 | DRIVER AND ELECTRONIC DEVICE - A driver and an electronic device include a capacitor driving circuit and a capacitor circuit having a plurality of capacitors provided between a plurality of capacitor driving nodes and a data voltage output terminal. The capacitor driving circuit has a plurality of driving units that output capacitor driving voltages, and in the case where a capacitance of one of the plurality of capacitors is the highest, after a driving unit that drives that capacitor has outputted a capacitor driving voltage, the next driving unit outputs the next capacitor driving voltage. | 06-09-2016 |
20160180776 | DISPLAY DEVICE | 06-23-2016 |
20160189580 | DETECT CIRCUIT AND DISPLAY DEVICE - A detecting circuit comprises a first to a third detecting line, a first and a second control line, and a first to a sixth transistor set. Each transistor set comprises a first and a second transistor, a control terminal thereof couples to the first and the second control line, respectively, a first terminal thereof couples to one of the first to the third detecting line, a second terminal thereof couples to the second terminal of the second transistor in the same transistor set. The connection nodes compose a dot set [(3,3), (2,2), (3,1), (2,3), (3,2), (2,1)], wherein the numerals 1-3 represent the first to the third detecting line, a first and a second numeral of a dot represent that a first terminal of the first and the second transistor connect to the detecting lines represented by the numerals, respectively. | 06-30-2016 |
20160189604 | PIXEL DRIVING CIRCUIT, DRIVING METHOD, ARRAY SUBSTRATE AND DISPLAY DEVICE - There is provided a pixel driving circuit, a driving method, an array substrate and a display device. The pixel driving circuit comprises: a first switching unit, being turned on or off according to a first scanning signal to control a transmission of a data signal; a first charging unit, having first terminal connected to a second terminal of the first switching unit; a first driving unit, having control terminal connected to a second terminal of the first charging unit, first terminal connected to a first power supply, and second terminal connected to a second power supply; a first driving compensation unit, for producing a predetermined voltage at the control terminal of the first driving unit, so that a current flowing through the light-emitting device is independent of threshold voltage of the first driving unit. Accordingly, the threshold voltage is prevented from affecting light-emitting luminance, luminance uniformity is ensured. | 06-30-2016 |
20160189621 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting diode display device is disclosed which includes a data driver configured to transfer a sensing data packet and a timing controller configured to receive the sensing data packet in a bus low voltage differential signaling mode. The timing controller includes an internal clock generator configured to generate at least one internal clock signal and a buffer configured to latch the sensing data packet in synchronization with the internal clock signal. | 06-30-2016 |
20160189655 | METHOD OF DRIVING A DISPLAY PANEL AND A DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel is provided. The display panel includes first through n-th gate lines and a plurality of pixels each connected to one of the first through n-th gate lines (where n is a natural number). The method includes charging pixels connected to the n-th gate line with first data voltages corresponding to a first frame image during a first period, charging pixels connected to the first gate line with the first data voltages during the first period, charging the pixels connected to the first gate line with second data voltages corresponding to a second frame image during a second period subsequent to the first period, and charging pixels connected to the second gate line with the second data voltages during the second period. | 06-30-2016 |
20160203764 | ORGANIC LIGHT-EMITTING DISPLAY | 07-14-2016 |
20160379562 | THIN FILM TRANSISTOR SUBSTRATE AND ORGANIC LIGHT-EMITTING DIODE DISPLAY APPARATUS - An organic light-emitting diode (OLED) display apparatus is provided. The OLED display apparatus includes a substrate, an initialization voltage line, a first thin film transistor (TFT) including an active layer. The initialization voltage line transmits an initialization voltage. The first thin film transistor (TFT) includes an active layer, a gate electrode, and an auxiliary gate electrode. The active layer is disposed on the substrate and includes a source region, a channel region, and a drain region. The gate electrode is disposed on the channel region. The auxiliary gate electrode is disposed on the gate electrode on a boundary between the channel region and the drain region. The voltage application electrode is disposed on the auxiliary gate electrode and is connected to the initialization voltage line and the auxiliary gate electrode. | 12-29-2016 |
20160379571 | ORGANIC LIGHT EMITTING DIODE (OLED) DISPLAY AND DRIVING METHOD THEREOF - Provided is an organic light emitting diode (OLED) display which includes a driving circuit and pixels arranged on pixel rows. In a (j−1)-th horizontal period, the driving circuit samples a threshold voltage of a driving Transistor (DT) of each pixel arranged on the (j−1)-th pixel row, and initializes a voltage of a gate electrode of a driving TFT of each pixel arranged on the j-th pixel row. In addition, in a j-th horizontal period, the driving circuit samples a threshold voltage of the driving TFT of each pixel arranged on the j-th pixel row. | 12-29-2016 |
20170236478 | DISPLAY PANEL AND GOA CIRCUIT | 08-17-2017 |