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公开(公告)号：US12057044B2
公开(公告)日：2024-08-06
申请号：US17913456
申请日：2021-09-15
发明人： Tiankuo Shi , Xiangjun Peng , Shuo Zhang , Yan Sun , Xiaomang Zhang , Xin Duan , Wei Sun , Shaoru Zhang
IPC分类号： G09G3/20
CPC分类号： G09G3/20 , G09G2300/026 , G09G2320/0276 , G09G2360/16
摘要： An image display method includes: obtaining image data of a target image, and obtaining an initial sampling value of a first screen according to the image data, wherein the initial sampling value includes region sampling values of at least two target regions in the first screen, and the region sampling values include a previous region correction value and a current region sampling value; correcting the current region sampling value in a target region sampling value, based on a mapping relationship between the previous region correction value and the target region sampling value, to obtain first data; and determining second data corresponding to a second screen according to the first data, to realize displaying of the target image in a stacked screen according to the first data and the second data, wherein the stacked screen is formed by the first screen and the second screen in an overlapped manner.
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公开(公告)号：US20240249690A1
公开(公告)日：2024-07-25
申请号：US18016918
申请日：2022-01-04
发明人： Xiangjun Peng , Tiankuo Shi , Shuo Zhang , Yifan Hou , Zhihua Ji , Xiaomang Zhang , Xin Duan , Wei Sun
IPC分类号： G09G3/34
CPC分类号： G09G3/3426 , G09G2320/066 , G09G2360/16
摘要： A dimming method for a display panel is provided, including: acquiring image data of an image to be displayed; determining initial dimming pixel data of each of dimming pixels according to the image data; determining a dimming pixel to be filtered in the dimming screen according to the initial dimming pixel data of each of dimming pixels; determining a first filtering region according to the determined dimming pixel to be filtered; determining a filtering parameter of each of dimming pixels in the first filtering region according to a relationship between each of dimming pixels in the first filtering region and initial dimming pixel data of each of dimming pixels in the first filtering region; and updating dimming pixel data of the dimming pixel to be filtered according to the filtering parameter of each of dimming pixels in the first filtering region, so as to obtain updated dimming pixel data.
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公开(公告)号：US20190206034A1
公开(公告)日：2019-07-04
申请号：US16014429
申请日：2018-06-21
发明人： Chengqi Zhou , Jun Guo , Xin Duan , Xiaomang Zhang , Jieqiong Wang , Ming Chen
摘要： The present disclosure discloses an image enhancement method and device. The method comprises: performing logarithm related processing on a grayscale value matrix Y of an original image to obtain a logarithmic matrix L_LOG; quantizing the logarithmic matrix L_LOG to obtain a quantized matrix Y_RE; and obtaining an enhanced image of the original image according to the quantized matrix Y_RE, wherein quantizing the logarithmic matrix L_LOG comprises: when the logarithmic matrix L_LOG is quantized to be within a grayscale range of a certain depth, causing a zero point of the logarithmic matrix L_LOG to be close to an average value of the grayscale value matrix Y.
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公开(公告)号：US10572986B2
公开(公告)日：2020-02-25
申请号：US16014429
申请日：2018-06-21
发明人： Chengqi Zhou , Jun Guo , Xin Duan , Xiaomang Zhang , Jieqiong Wang , Ming Chen
摘要： The present disclosure discloses an image enhancement method and device. The method comprises: performing logarithm related processing on a grayscale value matrix Y of an original image to obtain a logarithmic matrix L_LOG; quantizing the logarithmic matrix L_LOG to obtain a quantized matrix Y_RE; and obtaining an enhanced image of the original image according to the quantized matrix Y_RE, wherein quantizing the logarithmic matrix L_LOG comprises: when the logarithmic matrix L_LOG is quantized to be within a grayscale range of a certain depth, causing a zero point of the logarithmic matrix L_LOG to be close to an average value of the grayscale value matrix Y.
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公开(公告)号：US12101982B2
公开(公告)日：2024-09-24
申请号：US17636030
申请日：2021-04-27
发明人： Zhijian Zhu , Pengcheng Lu , Chenyu Chen , Shengji Yang , Xiaochuan Chen , Yan Sun , Tiankuo Shi , Xiaomang Zhang , Yuanlan Tian , Dacheng Zhang
IPC分类号： H01L29/08 , H10K59/131 , H10K59/35
CPC分类号： H10K59/353 , H10K59/131 , H10K59/351
摘要： A pixel structure, a driving method thereof, a display panel, and a display apparatus are provided. The pixel structure includes: a plurality of pixel rows and a plurality of pixel columns. Each pixel row includes: sub-pixels of four different colors. The plurality of pixel columns include: a plurality of first pixel columns and a plurality of second pixel columns arranged alternately. Each of the first pixel columns includes: sub-pixels of three of the four different colors. Each of the second pixel columns includes: sub-pixels of another color other than the three of the four different colors.
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6.发明授权公开(公告)号：US11915661B2
公开(公告)日：2024-02-27
申请号：US17909420
申请日：2021-06-17
发明人： Chenxi Zhao , Xingyu Guo , Tiankuo Shi , Xiaomang Zhang , Xiangjun Peng , Shuo Zhang
IPC分类号： G09G3/34
CPC分类号： G09G3/342 , G09G2300/0842 , G09G2320/0247
摘要： A backlight adjusting method of display device, a backlight adjusting device and a display device are provided, where the display device includes a display panel and a backlight element, the display panel is divided into a plurality of display subareas, the backlight element includes a plurality of backlight subareas, the display subareas and the backlight subareas are in a one-to-one correspondence, the method includes: for each of the backlight subareas, calculating an initial backlight value of the backlight subarea according to pixel information of the display subarea corresponding to the backlight subarea; and determining a first correction backlight value of the backlight subarea according to a preset backlight threshold and an initial backlight value of each of the other backlight subareas adjacent to the backlight subarea.
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公开(公告)号：US20230088891A1
公开(公告)日：2023-03-23
申请号：US17795088
申请日：2021-08-05
发明人： Shuo Zhang , Yanhui Xi , Tiankuo Shi , Xiaomang Zhang , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Minglei Chu
IPC分类号： G09G3/20 , G02F1/1347
摘要： Provided is a method for determining grayscale data. The method for determining grayscale data includes acquiring a source image; acquiring pixel values of third pixel points by calculating weighted values of channel values of a first pixel point and channel values of second pixel points of corresponding colors; acquiring a first image by replacing pixel values of the second pixel points in the source image with the pixel values of the third pixel points; and determining grayscale data of the first panel and grayscale data of the second panel based on the first image.
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公开(公告)号：US11081081B2
公开(公告)日：2021-08-03
申请号：US16633925
申请日：2019-06-12
发明人： Yue Li , Tiankuo Shi , Zhihua Ji , Chuan Shuai , Lingyun Shi , Xiaomang Zhang , Yifang Chu , Chengqi Zhou , Chuanjun Liu , Zhou Sun , Yilang Sun
摘要： A color gamut conversion method, a color gamut converter, a display device, an image signal conversion method, a computer device and a non-transitory storage medium are disclosed. The method includes: acquiring RGB signals and a preset grayscale value of a white subpixel in each pixel of a converted image according to grayscale values of monochromatic subpixels in each pixel of an original image corresponding to the RGB signals, the converted image is obtained by converting the original image from an RGB gamut to an RGBW gamut; and acquiring a target grayscale value of the white subpixel at least according to a first maximum grayscale of the white subpixels and the preset grayscale. As for a first saturation color patch in the original image, a first maximum grayscale of a white subpixel corresponding to each pixel in the first saturation color patch is equal to a grayscale threshold.
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公开(公告)号：US10809570B2
公开(公告)日：2020-10-20
申请号：US16244649
申请日：2019-01-10
发明人： Zhihua Ji , Tiankuo Shi , Xiaomang Zhang , Yilang Sun , Yanhui Xi , Yifang Chu , Lingyun Shi , Chuanjun Liu
IPC分类号： G09G3/36 , G02F1/13357 , G09G3/34
摘要： A method for acquiring backlight diffusion transmission parameter, a display control method and a display control device are provided. The method includes: selecting a plurality of backlight sources respectively arranged at different backlight regions of a display device and measuring a light diffusion data for each of the plurality of backlight sources, where the light diffusion data includes luminance values of a plurality of pixel points of a screen of the display device and a distance between a position of each pixel point and a position of a certain backlight source of the plurality of backlight sources in the case that only the certain backlight source is turned on; preprocessing the light diffusion data to determine effective pixel points of the plurality of pixel points; fitting the light diffusion data of the effective pixel points, to obtain a point spread function y=ƒ(x) indicating a relationship between y representing a diffusion luminance value and x representing a diffusion distance, where y representing a diffusion luminance value is a luminance value of each pixel point, and x representing a diffusion distance is a distance between a position of the each pixel point and a position of a certain backlight source of the plurality of backlight sources; and determining the point spread function y=ƒ(x) as the backlight diffusion transmission parameter.
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公开(公告)号：US12133056B2
公开(公告)日：2024-10-29
申请号：US17619923
申请日：2021-02-07
发明人： Yanhui Xi , Xiaomang Zhang , Wenchao Han , Yaqian Ji , Wei Sun , Minglei Chu , Xiangjun Peng , Tiankuo Shi , Zhihua Ji , Yan Sun , Yifan Hou , Chenxi Zhao , Shuo Zhang
CPC分类号： H04R3/04 , H04R1/028 , H04R1/227 , H04R1/403 , H04R3/12 , H04R2201/401 , H04R2499/15
摘要： A display device, a sound producing control method, a method and device for determining parameters. The display device includes a plurality of exciters arranged on the display panel, the display panel producing sound on a screen through the plurality of exciters; wherein, the plurality of the exciters are formed as at least one sound producing unit, each sound producing unit includes at least two exciters, and each exciter in the same sound producing unit is connected to a same audio signal input end, in one sound producing unit, a signal filter is provided on an audio transmission line from the audio signal input end to at least one exciter, and used for low frequency compensation of a sound produced by the entire sound producing unit.
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