Patent application number | Description | Published |
20080252668 | Selecting a Refresh Time and/or Gray-Scale Lookup Table in a Liquid Crystal Display Device - A display device includes a display panel, a timing controller, a data driver and a scan driver. The display panel includes pixels respectively electrically connected to scan lines and data lines. The timing controller calculates the statistic numbers of pixels whose gray level variations between previous and current frames cross the gray-scale level of the gray point according to scan-line-signal refresh times and high-low gray-scale lookup tables, and thus selects one of the scan-line-signal refresh times and one of the lookup tables corresponding to the lowest statistic number. The scan driver outputs scan line signals to the pixels according to the selected scan-line-signal refresh time. The data driver generates pixel data according to the selected lookup table. | 10-16-2008 |
20090128472 | Liquid crystal display device and related operating method - A liquid crystal display (LCD) device and method for operating the device including, during a first time period, applying data from a data line to a capacitor included in a pixel and applying additional data from the data line to a capacitor included in an additional pixel. During a second time period, which follows the first time period, simultaneously applying the data to a liquid crystal capacitor included in the pixel and applying the additional data to a liquid crystal capacitor included in the additional pixel. | 05-21-2009 |
20090244109 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display (LCD) includes an LCD panel, a scan driver, a timing controller and a data driver. The LCD panel includes first and second pixel rows. The timing controller determines a correction voltage index according to an absolute difference between an average of original pixel voltages corresponding to original pixel data of all pixels of the first pixel row, and an average of original pixel voltages corresponding to original pixel data of all pixels of the second pixel row, determines a correction voltage according to the correction voltage index, determines an adjusted pixel voltage in a target pixel according to an original pixel voltage of the target pixel in the second pixel row and the correction voltage, and outputs adjusted pixel data corresponding to the adjusted pixel voltage. The data driver outputs the adjusted pixel voltage to the target pixel according to the adjusted pixel data. | 10-01-2009 |
20100238204 | GENERATING CORRECTED GRAY SCALE DATA TO IMPROVE DISPLAY QUALITY - A method of displaying image data, which can mitigate a double-boundary problem and improve MPRT, includes the steps of: receiving a plurality of frame data of a pixel; correcting subframe data of two of the plurality frame data; and sequentially displaying each of the subframe data of the plurality frame data. | 09-23-2010 |
Patent application number | Description | Published |
20090091588 | LIQUID CRYSTAL DRIVING METHOD AND CIRCUIT - In a liquid crystal driving method and circuit, a pixel of a display is driven from an initial pixel value associated with a previous frame to a target pixel value of a current frame by an overdrive gray value. The overdrive gray value is determined by an overdrive curve, the initial pixel value, and the target pixel value. The overdrive curve is simulated from a polynomial function. | 04-09-2009 |
20090295703 | LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHOD THEREOF - A liquid crystal display panel includes a plurality of pixels and each of the pixels includes a first sub-pixel and a second sub-pixel. The first sub-pixel and the second sub-pixel individually load a source voltage according to a first gate pulse and a second gate pulse, respectively. The second sub-pixel includes a first storage capacitor and a first compensation capacitor. The first compensation capacitor charges or discharges to a predetermined voltage before performing charge neutralization with the first storage capacitor according to a second gate pulse. | 12-03-2009 |
20100007595 | DRIVING METHOD FOR LIQUID CRYSTAL PANEL AND LCD - In a driving method for a liquid crystal panel, overdriving pixel data is obtained either independently of the FRC pixel data or depending on a difference between the FRC pixel data and previous FRC pixel data. | 01-14-2010 |
20100079366 | METHOD OF DRIVING A BACKLIGHT MODULE AND A DISPLAY - In a backlight module of a display device, a first light source, a second light source, and a third light source are respectively and sequentially in a first sub-frame period, a second sub-frame period, and a third sub-frame period of a frame period so that the backlight module emits predominantly the first color light, the second color light, and the third color light during the first sub-frame period, the second sub-frame period, and the third sub-frame period, respectively. At least one of the second and third light sources also emits the second or third color light during a part of the first sub-frame period. | 04-01-2010 |
20100220125 | DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A display apparatus for sequentially display images in accordance with first data and second data in successive first and second sub-frame times, respectively, includes at least one pixel, a light emitting module for emitting light to the pixel in the sub-frame times, and a driving module. The driving module includes a data conversion unit for outputting (i) a first driving signal based on at least the first data, and (ii) a second driving signal based on the first driving signal and the second data. The driving module further includes a driving unit for (i) driving the pixel in the first sub-frame time according to the first driving signal and (ii) driving the pixel in the second sub-frame time according to the second driving signal. | 09-02-2010 |
Patent application number | Description | Published |
20140049523 | METHOD AND DEVICE FOR REDUCING SHUTTER 3D LIQUID CRYSTAL DYNAMIC CROSSTALK AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention discloses a method for reducing shutter 3D liquid crystal dynamic crosstalk, which includes: receiving digital information of left-eye and right-eye images of a current frame; comparing to determine if a combination of the left-eye and right-eye gray levels of each pixel point of each scanning line of the current frame is equal to that of the previous frame; adjusting the gray level of the image of one of the eye images that is associated with each pixel point having left-eye image and right-eye image gray levels that are both different between the current frame and the previous frame resulting from the comparison result according to a gray level reference table; and displaying one eye image of all the scanning lines of the current frame that have been subjected to gray level adjustment and another one image of the current frame that has not been subjected to adjustment. | 02-20-2014 |
20140049567 | METHOD, DEVICE AND LIQUID CRYSTAL DISPLAY FOR REDUECING CROSSTALK OF SHUTTER-TYPE 3D LIQUID CRYSTAL DISPLAYS - A method for reducing crosstalk of a liquid crystal display is disclosed. The method includes receiving digital information of an original left eye image and an original right eye image, determining if the gray level values of the pixels in each scanning lines of the left eye image is the same with that of a corresponding pixel in the right eye image, adjusting the gray level values of the pixels to be a first target gray level value of a first gray level table when the comparing result is the same, adjusting the gray level values of the pixels to be a second target gray level value combination of a second gray level table when the comparing result is not the same, and transmitting the digital information of the sorted left eye image and the right eye image after the adjusting steps are executed. | 02-20-2014 |
20140062999 | Display system and display control method thereof - The present invention discloses a display system and a display control method thereof. The display system comprises a display screen, a display controller, and a timing controller. The display controller comprises a 2D to 3D converter for converting image data with 2D format into converted image data with 3D format, and an encoding module for converting the converted image data with 3D format or first image data with 3D format into “2D image plus depth diagram” format data. The timing controller comprises a decoding module for converting the “2D image plus depth diagram” format data into decoded image data with 3D format or scaling the “2D image plus depth diagram” format data into scaled image data with 2D format suitable for outputting on the display screen. Accordingly, the present invention can reduce the required transmission line in order to reduce the production cost. | 03-06-2014 |
20140063032 | FRAME DATA SHRINKING METHOD USED IN OVER-DRIVING TECHNOLOGY - A frame data shrinking method is disclosed. The method is to divide frame data into data of target pixel and neighbor pixels, and select one data combination set from a plurality of data combination sets provided from the data neighbor pixels as encoded data of the target pixel; and the data combination set are to be compressed and recovered as decoded data of the target pixel of the current frame for being used to be compared with the decoded data of a target pixel of a previous frame; and then the data of the neighbor pixels are compressed and stored along with the selection information about the target pixel in a memory. Because the usage of memory is relatively lower, the cost of driving chips can be effectively reduced. | 03-06-2014 |
20150062203 | LCD DEVICE, METHOD FOR DRIVING LCD PANEL, AND METHOD FOR COMPENSATING LIGHT SPOT - A method for driving a liquid crystal display (LCD) panel includes: driving the LCD panel according to a location of a pixel of the LCD panel and a corresponding compensation value of the pixel of the LCD panel. The compensation value of the pixel corresponds to an offset value of a reference brightness corresponding to brightness of a light spot of the LCD panel before compensation of the light spot of the LCD panel. | 03-05-2015 |
20150093039 | IMAGE SUPER-RESOLUTION RECONSTRUCTION SYSTEM AND METHOD - The present disclosure discloses an image super-resolution reconstruction method, comprising the steps of: performing an edge detection on low-resolution images to be processed to obtain edge pixel frames, amplifying the edge pixel frames so that each amplified image is the double of the original edge pixel frame in size in both horizontal direction and vertical direction, without changing the detected edge pixel information, and compensating for the interpolated interpolation pixels according to different pixel edges to obtain a high-resolution image. The method can ensure the definition and integrity of the edges, and enhance the contrast without degrading image quality. At last, the previous interpolation pixels are compensated according to optimized rules, during which influences of edge pixels and surrounding pixels are comprehensively considered, so as to eliminate the sawtooth phenomenon of the output image. | 04-02-2015 |
20150187288 | White Tracking Adjustment Method, Manufacturing Method of Liquid Crystal Display and Liquid Crystal Display - The present invention discloses a white tracking adjustment method, which is used to adjust the color shift of liquid crystal display, it comprises: dividing a display panel of a liquid crystal display into a plurality of regions according to the difference of the distance of the trace kept away from a source driving IC; respectively adjusting the white tracking of the plurality regions referring to the different white tracking reference tables. The present invention also provides a manufacturing method of a liquid crystal display and a liquid crystal display obtained through the method, adjusting the liquid crystal display panel through adopting the white tracking adjustment method as described above. The present invention adopts the dividing region adjustment approach, solving the color shift caused by the difference of the trace distance on each part of the panel during adopting the COF trace method in the display panel of the liquid crystal display. | 07-02-2015 |
20150187300 | DRIVING CIRCUIT OF LCD PANEL, THE LCD PANEL, AND LCD DEVICE - A driving circuit of a liquid crystal display (LCD) panel includes a source board directly and electrically connected with an array substrate of the LCD panel. The driving circuit further includes a sequential control unit (TCON), a voltage conversion unit, and a programmable-gamma unit (P-G), where the TCON, the voltage conversion unit, and the P-G are integrated on the source board. | 07-02-2015 |
Patent application number | Description | Published |
20140210837 | Image Processing Device, Image Processing Method, and Liquid Crystal Display Incorporated with Image Processing Device - The present invention provides an image processing device, including a buffering unit, a minifying unit, a synchronous dynamic random access memory (SDRAM), an overdriving unit, a comparing unit, a restoring unit, and an output controlling unit. The present invention further provides an image processing method and a liquid crystal display incorporated with the image processing device. The image processing device, the image processing method, and the liquid crystal display incorporated with the image processing device will not only directly perform the overdrive-processing of an input high-resolution image, but will also, on the one hand caches an input high-resolution image by the buffering unit, and on the other hand minifies an input high-resolution image. As a result, the image data is already reduced when the overdrive-processing performs, and the consumption of the space of the SDRAM is also accordingly reduced. For the input of a high-resolution image, there is no need to increase the amount of the SDRAM anymore, and it is easier to control the overall cost. During output, a static image is directly output, and a dynamic image is output through the overdrive-processing and the restoration of original resolution to maintain the quality of the image. | 07-31-2014 |
20150161934 | DRIVING CIRCUIT AND DRIVING METHOD OF DISPLAY - Inventive driving circuit and driving method of a display are provided. The driving method includes equally dividing a frame time into N divided portions, where N≧1 and N is an integer; setting two switch signals in each of the divided portions of time; and turning the OLED ( | 06-11-2015 |