Patent application number | Description | Published |
20140036184 | POLARITY INVERSION SIGNAL CONVERTING METHOD, APPARATUS AND DISPLAY - The present disclosure provides a polarity inversion signal converting method, a polarity inversion signal converting apparatus and a display, the polarity inversion signal converting method comprises: judging whether a polarity inversion signal is required to be converted currently and generating a judgment result; changing the polarity inversion signal currently output to a data driver, if the judgment result indicates that the polarity inversion signal is required to be converted currently. With the present disclosure, the polarity inversion signal output to the data driver may be changed according to different situations, so that the driving manners of the data driver may vary flexibly. | 02-06-2014 |
20140125674 | Generating Method Of Gamma Value Test Chart Of Display Device And Measuring Method Of Gamma Value Thereof - The present disclosure provides a method for generating a test chart for Gamma value of a display device and a method for testing Gamma value thereof. The method includes: determining a grayscale corresponding to a generated test chart for Gamma value of the display device, and determining luminance of a standard picture area represented by the test chart for Gamma value of the display device; determining a grayscale voltage of a test picture area according to the grayscale corresponding to the standard picture area in the display panel, and determining the luminance of the test picture area displayed by the display panel under the grayscale voltage; comparing the luminance of the test picture area and the luminance of the standard picture area, and determining the Gamma value of the display device according to the result of the comparison. | 05-08-2014 |
20140184967 | METHOD FOR DRIVING LIQUID CRYSTAL PANEL, METHOD FOR TESTING FLICKER AND LIQUID CRYSTAL DISPLAY APPARATUS - A method for driving a liquid crystal panel, a method for testing flicker and a liquid crystal display apparatus are disclosed. They relate to the technical field of liquid crystal display. By changing the driving mode of polarity inversion, it is achieved that the flicker test is performed on the liquid crystal panel with the Z inversion array arrangement on basis of the flicker test pattern of 1+2H. In two adjacent columns of pixel units in the plurality of pixel units, one column common data line is connected with the pixel electrodes located at the opposed sides of the common data line alternatively through the thin film transistors. The method for driving the liquid crystal panel comprises: applying the data line driving signals with opposed polarities to the odd columns of data lines and the even columns of data lines within one frame of picture, wherein the polarities of the data line driving signals are inversed, each time two rows of the gate lines have been scanned, to form a specific polarity arrangement, the initial data line driving signals for two adjacent frames of pictures have opposed polarities. | 07-03-2014 |
20150156482 | THREE-DIMENSIONAL (3D) LIQUID CRYSTAL DISPLAY (LCD) DEVICE, 3D LCD DISPLAY SYSTEM AND 3D IMAGE DISPLAY DRIVING METHOD - A three-dimensional (3D) liquid crystal display (LCD) device, a 3D LCD system and a 3D image display driving method are disclosed. The 3D LCD device includes a display panel and a timing controller. The display panel includes an array substrate; the array substrate includes a plurality of pixel units defined by gate lines and data ones which are horizontally and vertically intersected; a plurality of the pixel units include left-eye pixels configured to display a left-eye image and right-eye pixels configured to display a right-eye image; and the timing controller is connected with the array substrate and configured to respectively control the display timing of the left-eye pixels and the right-eye pixels. The 3D LCD device can achieve the objective of reducing the crosstalk when applied to active shutter 3D LCD. | 06-04-2015 |
20150229273 | OUTPUT BUFFER CIRCUIT, ARRAY SUBSTRATE AND DISPLAY DEVICE - The embodiments of the present invention provide a output buffer circuit, comprising: a first stage operational amplifying circuit configured as a differential input circuit; a second stage operational amplifying circuit configured as a common source amplifying circuit having an active load; and a feedback circuit provided between the first stage operational amplifying circuit and the second stage operational amplifying circuit and configured to have driving capability of providing source current and sink current alternately. By forming a unit gain amplifier comprising the first stage operational amplifying circuit, the second stage operational amplifying circuit and the feedback circuit connected therebetween, the output buffer circuit has the driving capability of providing source current and sink current alternately. No special voltage stabilizing circuit is needed, thus the circuit structure is simple and the chip area is decreased; since the power consumption can be reduced without a special voltage stabilizing circuit, the fluctuation of the output voltage is suppressed at the same time, the stability of the circuit is ensured in operation and offset is suppressed optimally, the output signal is more accurate and the quality of image displayed is improved. | 08-13-2015 |
20150269898 | MAINTENANCE CIRCUIT FOR DISPLAY PANEL - A maintenance circuit for a display panel, the display panel being divided by a plurality of source driver integrated circuits into a plurality of partitions(X | 09-24-2015 |
20150332639 | PIXEL STRUCTURE AND DRIVING METHOD THEREOF, DISPLAY PANEL AND DISPLAY DEVICE - A pixel structure and driving method thereof, a display panel and a display device. The pixel structure includes a plurality of sub-pixels arranged in a form of array, each sub-pixel is driven by a thin film transistor; wherein, sub-pixels provided in a same row are driven by two gate lines located thereon and thereunder; one data line serves to drive two columns of sub-pixels located on two sides of it; a plurality of sub-pixels in two adjacent rows that are driven by one data line constitute one pixel unit. For the pixel structure, there is further provided a driving method, and the pixel structure is easy to be driven and has a simple sequence control. | 11-19-2015 |
20150379950 | ARRAY SUBSTRATE, DISPLAY DEVICE AND METHOD FOR DRIVE THE SAME - The present disclosure provides an array substrate, a display device, and a drive method for the display device. The array substrate comprises gate lines and data lines and a plurality of pixel units defined by intersection of the gate lines and the data lines with one another; wherein the plurality of pixel units is divided into a number of pixel regions each of which includes at least one column of the pixel units and is driven by a data line driving unit; wherein, first and second data lines are disposed side by side between two adjacent pixel units that are respectively located at the margins of any two adjacent pixel regions; and, one of the first and the second data lines is connected with the pixel units adjacent thereto and located in odd rows while the other is connected with the pixel units adjacent thereto and located in even rows. | 12-31-2015 |