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 |
20160056203 | PIXEL ARRAY AND DISPLAY DEVICE - A pixel array and a display device are provided. The pixel array includes a two-dimensional array that is formed by arranging a plurality of color sub-pixels and a plurality of white sub-pixels in the row direction and in the column direction, the color sub-pixels include color sub-pixels in three different colors. For color sub-pixels in each color in each row, color sub-pixels with the same color in the same row are arranged so that, the odd-numbered column sub-pixel and the even-numbered column sub-pixel alternate one by one, or they are disposed by way of groups each including two odd-numbered column sub-pixels alternating with even-numbered column sub-pixels or by way of groups each including two even-numbered column sub-pixels alternating with odd-numbered column sub-pixels. | 02-25-2016 |
20160063959 | SOURCE DRIVER CIRCUIT, METHOD FOR DRIVING DISPLAY PANEL AND DISPLAY DEVICE - The present disclosure provides a source driver IC. A first sub-driver circuit is provided to, within a time period, control polarities of driving voltages for a first subpixel and a third subpixel in pixel units at odd-numbered positions in a pixel row to be reverse to polarities of driving voltages for a second subpixel and a fourth subpixel in the pixel units at the odd-numbered positions in the pixel row, and a second sub-driver circuit is provided to, within the time period, control polarities of driving voltages for a first subpixel and a third subpixel in the pixel units at even-numbered positions to be identical to polarities of driving voltages for the second subpixel and the fourth subpixel in the pixel units at the odd-numbered positions but reverse to polarities of driving voltages for the second subpixel and the fourth subpixel in the pixel units at the even-numbered positions. | 03-03-2016 |