Patent application number | Description | Published |
20090085905 | GAMMA-VOLTAGE GENERATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention relates to a Gamma-voltage generation device and a Liquid Crystal Display (LCD) device, wherein the Gamma-voltage generation device comprises: a voltage series generation unit for generating a plurality of groups of voltage series; and a multi-path selection unit for selecting one voltage value from each group of voltage series, respectively, according to a voltage selection signal and outputting the same to generate a needed Gamma-voltage series. The LCD device comprises a display panel, a row driver and a column driver, a timing controller, an image analyzing and processing unit, and a Gamma-voltage series generation device. The present invention achieves dynamic Gamma-voltage generation by choosing among a plurality of groups of voltages to output the needed Gamma-voltage series. Further, the plurality of groups of Gamma-voltage series could be obtained with resistor networks and such devices in the existing art as DAC and the like are unnecessary, thereby the response rate is improved and the cost is reduced. | 04-02-2009 |
20100245301 | GATE DRIVE DEVICE FOR A LIQUID CRYSTAL DISPLAY - A gate drive device for liquid crystal display including multiple stages of shift register units and plurality of clock signal lines, said plurality of clock signal lines all being connected to the multiple stages of shift register units, to enable the multiple stages of shift register units to generate a gate drive signal, each stage of shift register unit all includes a signal output terminal, a first discharge circuit modular is connected between the signal output terminal for the i-th stage of shift register unit and the signal output terminal for the (i+1)-th stage of shift register unit, said first discharge circuit modular is used to cause the charges of a high level signal outputted from the signal output terminal for the i-th stage of shift register unit to be discharged to the signal output terminal for the (i+1)-th stage of shift register unit. | 09-30-2010 |
20110057926 | SHIFT REGISTER UNIT AND GATE DRIVE DEVICE FOR LIQUID CRYSTAL DISPLAY - A shift register unit and a gate drive device for a liquid crystal display are disclosed. Both gate and drain of the tenth thin film transistor are connected to the source of the fifth thin film transistor, a source thereof is connected to a low voltage signal input terminal, threshold voltages of the eighth thin film transistor and the ninth thin film transistor are equal to or less than threshold voltage of the tenth thin film transistor. The shift register unit and the gate drive device for liquid crystal display provided in the present invention, could enable the thin film transistor used to suppress the noise in the shift register unit to maintain turning on, therefore it guarantees the reliability of the shift register unit. | 03-10-2011 |
20110058640 | SHIFT REGISTER UNIT AND GATE DRIVE DEVICE FOR LIQUID CRYSTAL DISPLAY - An embodiment of the present invention discloses a shift register unit and a gate drive device for a liquid crystal display. The shift register unit, on the basis of a structure of 12 transistors and 1 capacitor in the prior art, enables both the drain of the seventh thin film transistor and the gate and the drain of the ninth thin film transistor being connected to the second clock signal input terminal, such that a leakage current would not be generated among the seventh thin film transistor, the eighth thin film transistor, the ninth thin film transistor and the tenth thin film transistor when a high level signal is outputted from the shift register unit, thus power consumption of the shift register unit may be reduced. | 03-10-2011 |
20110156997 | ARRAY SUBSTRATE AND SHIFT REGISTER - An array substrate and a shift register directly fabricated thereon are provided. The shift register comprises a plurality of shift register units each connected to respective one of gate lines of the array substrate. The plurality of shift register units are divided into three groups. As to any two adjacent shift register units of each group, a signal output terminal of the following shift register unit is connected to a reset signal input terminal of the preceding shift register unit, and a signal output terminal of the preceding shift register unit is connected to a start voltage timing signal input terminal of the following shift register unit. Each group of shift register units are controlled by two clock signals, and the two clock signals alternately control two adjacent shift register units of each group. Both the first shift register unit and the third shift register unit are connected to a first start voltage timing signal input terminal, and the second shift register unit is connected to a second start voltage timing signal input terminal. | 06-30-2011 |
20110286572 | SHIFT REGISTER UNIT, GATE DRIVING DEVICE FOR DISPLAY AND LIQUID CRYSTAL DISPLAY - A shift register unit includes an input module for inputting a second clock signal or a third clock signal, and for inputting a frame starting signal, a first clock signal, a low voltage signal, a reset signal as well as a first signal and a second signal transmitted from a next neighboring shift register unit; a processing module for generating a gate driving signal and allowing a level of at least one of first junctions formed by at least two TFTs to be maintained at low level in a frame interval during which the second clock signal or the third clock signal inputted from the input module is maintained at low level; and an output module for transmitting the gate driving signal generated by the processing module. | 11-24-2011 |
20120092241 | LIQUID CRYSTAL DISPLAY - A liquid crystal display comprising an array substrate formed with gate lines, data lines and pixel electrodes. Odd rows of pixel electrodes in the same column are connected with one of data lines at two sides of the column, even rows of pixel electrodes are connected with the other one of the data lines; pixel electrodes in the same row are controlled by one of the two gate lines at two sides of the row of pixel electrodes, pixel electrodes controlled by each gate line are located in the same row; there are two gate lines between two adjacent rows of pixel electrodes; two adjacent pixel electrodes in the same row between two adjacent data lines are controlled by one of the two gate lines at two sides of the row of pixel electrodes, and they are connected with one of the two adjacent data lines. | 04-19-2012 |
20120113088 | SHIFT REGISTER, GATE DRIVING DEVICE AND DATA LINE DRIVING DEVICE FOR LIQUID CRYSTAL DISPLAY - A shift register increases a number of thin film transistors for lowering drive and a manner of alternatively applying clock signals every other frame, lowers duty cycle of the thin film transistors for lowering drive, and effectively prevents a biasing effect by the thin film transistors for lowering drive, thereby reliability of the shift register unit is guaranteed. | 05-10-2012 |
20120262438 | SHIFT REGISTER UNIT, SHIFT REGISTER, DISPLAY PANEL AND DISPLAY - The disclosure discloses a shift register unit, a shift register, a display panel and a display, and belongs to display driving technology. The shift register unit comprises: twelve transistors M | 10-18-2012 |
20130342516 | SHIFT REGISTER UNIT AND GATE DRIVE DEVICE FOR LIQUID CRYSTAL DISPLAY - A shift register unit and a gate drive device for a liquid crystal display are disclosed. Both gate and drain of the tenth thin film transistor are connected to the source of the fifth thin film transistor, a source thereof is connected to a low voltage signal input terminal, threshold voltages of the eighth thin film transistor and the ninth thin film transistor are equal to or less than threshold voltage of the tenth thin film transistor. The shift register unit and the gate drive device for liquid crystal display provided in the present invention, could enable the thin film transistor used to suppress the noise in the shift register unit to maintain turning on, therefore it guarantees the reliability of the shift register unit. | 12-26-2013 |
20140043376 | METHOD FOR INSERTING FRAMES IN A LIQUID CRYSTAL DISPLAY APPARATUS AND THE LIQUID CRYSTAL DISPLAY APPARATUS - The present disclosure relates to a technical field of Liquid Crystal Display (LCD), and particularly discloses a method for inserting frames in a LCD apparatus and the LCD apparatus, for addressing the problem of trails and improving the response time of picture. The method for inserting frames comprises: acquiring gray scale values of chromatic aberrations of individual pixel units on a current N | 02-13-2014 |
20140056399 | SHIFT REGISTER UNIT, SHIFTER REGISTER CIRCUIT, ARRAY SUBSTRATE AND DISPLAY DEVICE - The present invention provides a shift register unit, a shift register circuit, an array substrate and a display device, and relates to the area of display manufacturing. The time of the bias working on the de-noising transistor can be reduced without affecting the circuit stability, so that the operational lifespan of the device can be extended. A shift register comprises: a capacitor, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a de-noising control model. The present invention is used for manufacturing displays. | 02-27-2014 |
20140072093 | SHIFT REGISTER AND A DISPLAY - A shift register is used for solving the problem that the shift register in the prior art can only perform a forward scanning driving but can not perform a bi-directional scanning driving. The shift register includes: a first TFT(T | 03-13-2014 |
20140118422 | IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD - Provided are an image display device and an image display method, which is capable of increasing charging period and reducing switching frequency of driving data while performing display device driving. The image display device comprises combined pixels of m columns and n rows, wherein each of the combined pixels comprises a first row of sub-pixels and a second row of sub-pixels beneath the first row of sub-pixels, wherein in a 2D image display mode, both the first rows of sub-pixels and the second rows of sub-pixels in the respective rows of combined pixels are driven and receive 2D display data; and in a 3D image display mode, one row of sub-pixels in the respective rows of combined pixels receives data and the other row of sub-pixels in the respective rows of combined pixels do not receive data. | 05-01-2014 |
20140133621 | SHIFT REGISTER UNIT AND GATE DRIVE DEVICE FOR LIQUID CRYSTAL DISPLAY - A shift register unit and a gate drive device for a liquid crystal display are disclosed. Both gate and drain of the tenth thin film transistor are connected to the source of the fifth thin film transistor, a source thereof is connected to a low voltage signal input terminal, threshold voltages of the eighth thin film transistor and the ninth thin film transistor are equal to or less than threshold voltage of the tenth thin film transistor. The shift register unit and the gate drive device for liquid crystal display provided in the present invention, could enable the thin film transistor used to suppress the noise in the shift register unit to maintain turning on, therefore it guarantees the reliability of the shift register unit. | 05-15-2014 |
20140160382 | METHOD FOR DRIVING A LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY - The present invention provides a method for driving a liquid crystal display panel and a liquid crystal display so that the power consumption for driving a 3D liquid crystal display panel can be reduced. The method includes steps of: determining that it is needed to input data to the black matrix sub-pixels when displaying a 3D image; and inputting a control signal to a 3D black screen data control module, the 3D black screen data control module, based on the received control signal, makes two data lines which are connected therewith and are of opposite polarities be electrically conducted. | 06-12-2014 |