Patent application number | Description | Published |
20090085927 | LIQUID DISPLAY DEVICE DRIVING METHOD - The present invention directs to a liquid crystal display device driving method, comprising: compensating data line input voltages according to gate line numbers in which respective TFTs of a liquid crystal panel exist, and outputting the compensated data line input voltage to the liquid crystal panel. The present invention firstly compensates the input voltages according to the gate line numbers in which respective TFTs of the liquid crystal panel exist, and then outputs the compensated input voltages to respective lines of TFTs. The input voltages are gradually increased as the gate line numbers increasing, so as to ensure charging amount of pixels on all gate lines. A charging delay problem due to load difference between a near end and a far end of a high resolution and large size panel is resolved, the uniformity of the panel is ensured, and the display quality of image is improved. | 04-02-2009 |
20090243986 | DRIVING METHOD, COMPENSATION PROCESSOR AND DRIVER DEVICE FOR LIQUID CRYSTAL DISPLAY - The invention relates to a driving method, compensation processor and driver device for liquid crystal display. The driving method includes steps of receiving data signal of a present frame; obtaining an average brightness value of the present frame; comparing the previous frame with the present frame, and when the difference between the average brightness values is larger than or equal to a set threshold, generating at least two back light driver pulse signals of which the duty ratios gradually changing, and outputting them to drive the back lights. The compensation processor includes a data analysis module, a data compensation module, a back light linear filtering module and a pulse generator module. The driver device employs the compensation processor of the present invention. The present invention employs the technical means of generating a plurality of back light driver pulse signals, realizes the gradual changing of the brightness of the back lights, and overcomes the picture flickering problem due to the sudden changing of the brightness of the back lights, thus improving the display effect of the LCD. | 10-01-2009 |
20140043311 | Liquid Crystal Display Driving Circuit, Driving Method Thereof And Liquid Crystal Display - Embodiments of the present disclosure provide a liquid crystal display driving circuit, a driving method thereof and a liquid crystal display, and relate to a field of display technique. The liquid crystal display driving circuit comprises a timing control circuit and at least two source driving circuits, and further comprises a polarity inversion circuit; the timing control circuit is configured to transmit a polarity inversion signal to the polarity inversion circuit; the polarity inversion circuit is configured to convert the polarity inversion signal into a first polarity inversion signal and a second polarity inversion signal which are output to the at least two source driving circuits, respectively, so that voltages of source signals driven by the at least two source driving circuits have opposite polarities with each other; wherein a phase of the first polarity inversion signal is different from that of the second polarity inversion signal. | 02-13-2014 |
20150213768 | ARRAY SUBSTRATE, PIXEL DRIVING METHOD THEREOF AND DISPLAY DEVICE - Embodiments of the present invention provides an array substrate, a pixel driving method, and a display device, and the array substrate is provided with a first pixel unit set used to display a first image, and pixel units in the first pixel unit set are coupled to a first gate line set in the plurality of gate lines; a second pixel unit set configured to display a second image, and pixel units in the second pixel unit set are coupled to a second gate line set in the plurality of gate lines; the pixel units in the first pixel unit set and the pixel units in the second pixel unit set are alternately provided. | 07-30-2015 |
20150279301 | DEVICE AND METHOD FOR ADJUSTING GAMMA VOLTAGE - The present invention provides a device and a method for adjusting Gamma voltage. The device for adjusting Gamma voltage comprises a Gamma voltage generating unit used for generating a plurality of Gamma voltages, the Gamma voltage generating unit comprising a plurality of output terminals for outputting the plurality of Gamma voltages; and a plurality of output units, output terminals of each of which are connected to output terminals of a corresponding Gamma voltage generating circuit among a plurality of Gamma voltage generating circuits of the display panel to be adjusted in one-to-one correspondence, the plurality of output units being used for outputting the plurality of Gamma voltages to output terminals of the Gamma voltage generating circuits. | 10-01-2015 |
20150348474 | DISPLAY DEVICE AND A DRIVING METHOD THEREOF - The embodiments of the present invention provide a display device and a driving method thereof, which relates the display technology and can avoid occurrence of bad bright line of the image and improve display quality of the image. The display device may comprise a display panel and a backlight module disposed below the display panel, the display panel may comprise at least one display area, the display area may comprise at least one sub display area, the backlight module may comprise at least one light emitting unit, the light emitting units are in one-to-one correspondence with the sub display areas. Each sub display area may comprise at least one row of pixel units, the pixel units may comprise switch elements. When the switch elements of the first row of pixel units in a sub display area are turned on, the light emitting unit in the backlight module corresponding to the sub display area is in a turn-on state, when the switch elements in the last row of pixel units in a sub display area are turned off, the light emitting unit in the backlight module corresponding to the sub display area is in a turn-off state. The embodiments of the present invention may be applied to the manufacture of the display device. | 12-03-2015 |
Patent application number | Description | Published |
20090321740 | TFT-LCD ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A TFT-LCD array substrate and a manufacturing method thereof. The array substrate comprises a gate line, a data line, and a pixel electrode, and the pixel electrode is disposed in a pixel region defined by the intersection between the gate line and the data line. In the pixel region, a partition groove for forming a pixel electrode pattern is provided at the periphery of the pixel electrode. This structure is helpful to form a pixel electrode pattern by a lift-off process, which significantly reduces the production cost and improves the production yield. | 12-31-2009 |
20100012945 | METHOD OF FORMING PHOTORESIST BURR EDGE AND METHOD OF MANUFACTURING ARRAY SUBSTRATE - A method of forming a photoresist burr edge and a method of manufacturing an array substrate are provided in the present invention. The method of manufacturing an array substrate comprises: forming a gate line and a gate electrode on a substrate; forming a data line, a source electrode, a drain electrode and a TFT channel region without removing the photoresist on the data line, the source electrode and the drain electrode; depositing a passivation layer; removing the remained photoresist and the passivation layer thereon by a lifting-off process; applying a photoresist layer; forming a photoresist burr edge of peak shape; depositing a transparent conductive film; forming a pixel electrode by a lifting-off process, wherein the pixel electrode is directly connected with the drain electrode. | 01-21-2010 |
20100012946 | TFT-LCD ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A liquid crystal display (LCD) array substrate and a manufacturing method thereof are provided. The manufacturing method comprises depositing a semiconductor layer, a doped semiconductor layer and a metal film for source and drain electrodes sequentially on a base substrate and then forming a data line, a source electrode, a drain electrode and a thin film transistor (TFT) channel region by a first patterning process; depositing a first insulating film and a gate metal film sequentially and then forming a gate line and a gate electrode by a second patterning process and forming an insulating layer via hole in the first insulating layer above the drain electrode; depositing a transparent conductive film and then forming a pixel electrode by a third patterning process; and forming a second insulating layer. | 01-21-2010 |
20120094409 | TFT-LCD ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A liquid crystal display (LCD) array substrate and a manufacturing method thereof are provided. The manufacturing method comprises depositing a semiconductor layer, a doped semiconductor layer and a metal film for source and drain electrodes sequentially on a base substrate and then forming a data line, a source electrode, a drain electrode and a thin film transistor (TFT) channel region by a first patterning process; depositing a first insulating film and a gate metal film sequentially and then forming a gate line and a gate electrode by a second patterning process and forming an insulating layer via hole in the first insulating layer above the drain electrode; depositing a transparent conductive film and then forming a pixel electrode by a third patterning process; and forming a second insulating layer. | 04-19-2012 |
20120249936 | LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - The embodiment of the invention discloses a liquid crystal display and a method of manufacturing the same. The liquid crystal display of the embodiment of the invention comprises an array substrate, a color filter substrate and a liquid crystal layer formed between the array substrate and the color filter substrate. The array substrate comprises a first substrate; a black matrix formed on the first substrate; and a thin film transistor (TFT) device formed on the black matrix. The TFT device is a top gate TFT device having a gate electrode formed on a side of the TFT device facing away the black matrix. The color filter substrate comprises a second substrate; and a color filter layer formed on the second substrate. | 10-04-2012 |
20130169903 | TFT-LCD ARRAY SUBSTRATE - A Thin Film Transistor-Liquid Crystal Display (TFT-LCD) array substrate is presented which includes a gate line, a data line, and a pixel electrode. The pixel electrode is disposed in a pixel region defined by the intersection between the gate line and the data line. In the pixel region, a partition groove for forming a pixel electrode pattern is provided at the periphery of the pixel electrode. | 07-04-2013 |
20140204311 | Liquid Crystal Display Device - The present invention provides a liquid crystal display device, comprising: a light source, a light guide plate having a light-exiting surface, a substrate having a first surface and a second surface opposite to the first surface, a display area of the second surface comprising a pixel area and at least one non-pixel area, and a gap provided between the light-exiting surface of the light guide plate and the first surface of the substrate, wherein, at least one slot is provided on the light-exiting surface of the light guide plate; a part of the light generated by the light source and entering the light-exiting surface of the light guide plate, after being refracted by the slot and the gap sequentially, is refracted by the first surface of the substrate into the substrate, and then enters the pixel area. According to the present invention, it is able to change the light transmission path, thereby to effectively reduce the light entering a non-pixel area. | 07-24-2014 |
Patent application number | Description | Published |
20150299463 | FLAME-RETARDANT POLYCARBONATE MOLDING MATERIALS III - The present invention relates to flameproofed polycarbonate (PC) compositions and moulding compounds which have modified impact strength, good mechanical properties, good chemical resistance and high hydrolysis stability. | 10-22-2015 |
20150307705 | FLAME-RETARDANT POLYCARBONATE MOLDING MATERIALS II - The present invention relates to flameproofed polycarbonate (PC) compositions and moulding compounds which have modified impact strength, high-temperature stability and high hydrolysis stability. | 10-29-2015 |
20150307707 | FLAME-RETARDANT POLYCARBONATE MOLDING MATERIALS VI - The present invention relates to flame-retardant, impact-modified polycarbonate (PC) compositions and moulding compositions having a property combination of excellent mechanical properties, very good flame resistance, high hydrolytic stability and high resistance to chemicals (ESC behaviour). | 10-29-2015 |
20150315381 | FLAME-RETARDANT POLYCARBONATE MOLDING MATERIALS I - The present invention relates to flame-retardant, impact-modified polycarbonate (PC)/ABS compositions and moulding compositions which have high temperature stability and a high modulus of elasticity, good flowability and high hydrolytic stability. | 11-05-2015 |
20150329719 | FLAME-RETARDANT POLYCARBONATE MOULDING MATERIALS IV - The present invention relates to flame-retardant, impact-modified polycarbonate (PC) compositions and moulding compositions which have good mechanical properties, good resistance to chemicals and high hydrolytic stability. | 11-19-2015 |