Patent application number | Description | Published |
20140125710 | DRIVING SYSTEM FOR LCD APPARATUS AND METHOD THEREOF - A driving system for a liquid crystal display apparatus and a method thereof are provided, the driving system comprises a data-latching circuit, a synchronous-signal separating module, a vertical synchronous-signal discriminator, a vertical synchronous-signal counter, a horizontal synchronous-signal discriminator, a data operator and a polarity-signal generator. The vertical synchronous-signal discriminator outputs a start signal to the polarity-signal generator when vertical synchronous signals exist. The vertical synchronous-signal counter accumulates an amount of the vertical synchronous signals, and outputs an accumulated result to the data operator. The horizontal synchronous-signal discriminator sends the start signal to the data operator. The data operator subtracts odd sub-pixel data from even sub-pixel data of RGB data in a horizontal line or subtracts the even sub-pixel date from the odd sub-pixel date to obtain an Msum value, and controls the polarity-signal generator output polar-controlling signals to scan lines according to the Msum value and the accumulated result. | 05-08-2014 |
20140362073 | DISPLAY DEVICE, TIMING CONTROLLER, AND IMAGE DISPLAYING METHOD - Aspects of the present invention relate to a display device, a timing controller, and an image display method. When a frame of an input image signal including an odd-field signal and an even-field signal is received, a timing controller outputs a gate scanning clock (GCK) signal and an output enable (OE) signal in an interlaced scanning manner, to separately scan the odd-field image and the even-field image in the interlaced scanning manner in real time. The interlaced scanning manner is used for the interlaced signal, thereby saving a storage equipped in a converter. | 12-11-2014 |
20150062200 | LIQUID CRYSTAL DRIVING METHOD AND APPARATUS FOR BLACK FRAME INSERTION OF IMAGE, AND LIQUID CRYSTAL DISPLAY DEVICE - The invention discloses a liquid crystal driving method and apparatus for black frame insertion of an image, and a liquid crystal display device. The method includes, in a black frame insertion period after the frame period ends, sending, by a timing controller, a row of black image data to a register of a source driver; and in the black frame insertion period, maintaining, by the register, the row of black image data being output until the black frame insertion period ends, so as to enable the row of black image data to refresh each row of liquid crystal cells. Accordingly, the complexity of driving processes and the data calculations in the black frame insertion are greatly reduced. | 03-05-2015 |
20150070410 | OVERDRIVE METHOD, APPARATUS, AND DISPLAY DEVICE - In one embodiment of the present invention, an overdrive (OD) method includes: acquiring a display grayscale value of a current frame within a display grayscale range; obtaining a target grayscale value of the current frame within a target grayscale range according to the display grayscale value of the current frame, where a minimum target grayscale value is larger than a minimum display grayscale value, and/or a maximum target grayscale value is smaller than a maximum display grayscale value, and each display grayscale value within the display grayscale range correspond one by one to one target grayscale value within the target grayscale range; and obtaining a system grayscale value of the current frame according to the target grayscale value of the current frame and a display grayscale value or a system grayscale value of a previous frame, and outputting a corresponding gamma voltage according to the system grayscale value. | 03-12-2015 |
20150365621 | BACKLIGHT CONTROL APPARATUS OF LIQUID CRYSTAL PANEL, LIQUID CRYSTAL TV SET AND MCU CHIP - A backlight control apparatus of a liquid crystal panel, a liquid crystal TV set and an MCU chip are disclosed, and the apparatus includes: an FRC chip, an MCU chip connected with the FRC chip, and a backlight drive chip connected with the MCU chip; and calculates brightness data of N image zones of a current image frame, converts the brightness data of the N image zones into backlight values of N backlight zones and sends the backlight values to the Micro Controller Unit (MCU) chip; and divides the N backlight zones into M backlight areas, searches a preset gain curve for a gain corresponding to each backlight area according to the average of the backlight values of the backlight zones included in the each backlight area, and adjusts the backlight values of the N backlight zones by M gains searched for. | 12-17-2015 |
20150371594 | METHOD OF AND APPARATUS FOR PROCESSING DISPLAY SIGNAL AND DISPLAY DEVICE - A method of processing a display signal includes: obtaining the average of grayscales of at least one display zone in a previous frame of image and a current frame of image respectively; comparing in magnitude the average of grayscales of at least one display zone in the current frame of image with the average of grayscales of the corresponding display zone in the previous frame of image; and outputting a backlight control value to increase or reduce the brightness of an illuminating element corresponding to the display zone when the average of grayscales of the at least one display zone in the current frame of image is larger or smaller than the average of grayscales of the corresponding display zone in the previous frame of image. | 12-24-2015 |
20160063688 | Backlight Source Control Method Of Display Device, Display Device And Storage Medium - One or more embodiments of the present application disclose a backlight source control method of a display device, the display device and a storage medium. The method includes: determining a display subregion corresponding to a backlight source to be turned off; determining a first backlight source brightness value of an adjacent display subregion of the display subregion corresponding to the backlight source to be turned off; lowering the first backlight source brightness value to obtain a second backlight source brightness value; and setting the backlight source brightness value corresponding to the adjacent display subregion to be the second backlight source brightness value. | 03-03-2016 |
20160078830 | Driving Backlight Method, Display Device And Storage Medium - The present disclosure provides a backlight driving method and device and a display device, wherein the backlight includes a plurality of backlight scanning areas, each luminous body corresponding to each backlight scanning area is driven independently, including: acquiring display gray scale of a current frame of image and that of a previous frame of image in a backlight scanning area; determining a first backlight duty ratio according to the display gray scale of the current frame and that of the previous frame; if black frame insertion time in the first backlight duty ratio is smaller than a first black frame insertion time, acquiring a second backlight duty ratio, wherein black frame insertion time in the second backlight duty ratio is not less than the first black frame insertion time; determining drive timing of the luminous bodies in the current frame according to the second backlight duty ratio. | 03-17-2016 |