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公开(公告)号：US11308844B2
公开(公告)日：2022-04-19
申请号：US16337741
申请日：2018-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanhui Xi , Bin Dai , Xiaomang Zhang , Haijun Niu , Kuanjun Peng , Xiaolong Li , Donghui Wang , Yan Sun
Abstract: A multi-primary color conversion method is provided to include: establishing a spatial gamut model of a display panel; determining a target peripheral surface corresponding to the target color according to the color coordinates of the target color and color coordinates of a color corresponding to each vertex of each peripheral surface; obtaining reference gray scales of a part of primary colors of the target color according to gray scales of the primary colors of a color corresponding to each vertex of the target peripheral surface; obtaining reference gray scales of the rest primary colors of the target color and a reference luminance of the target color; and respectively converting the reference gray scales of the plurality of primary colors of the target color into target gray scales according to a proportional relationship between the reference luminance and the target luminance of the target color.
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12.发明申请公开(公告)号：US20210225299A1
公开(公告)日：2021-07-22
申请号：US16763762
申请日：2019-11-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanhui Xi , Xiaomang Zhang , Yan Sun , Zhihua Ji , Yuxin Bi , Tiankuo Shi
Abstract: The present disclosure relates to a method for driving a display device, a driving apparatus, a display device, and a computer-readable medium. The display device includes a backlight module, which includes a plurality of backlight regions. The method includes: determining a first backlight signal value of each of the plurality of backlight regions according to input grayscale values of pixels in an image to be displayed; determining a second backlight signal value of each of the plurality of backlight regions according to the first backlight signal values of the plurality of backlight regions and a preset backlight diffusion function; and driving each of the plurality of backlight regions to emit light using the second backlight signal value of the backlight region.
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公开(公告)号：US10984736B2
公开(公告)日：2021-04-20
申请号：US16391892
申请日：2019-04-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanhui Xi , Ming Chen , Xiaomang Zhang , Yan Sun , Bin Dai , Zhihua Ji , Tiankuo Shi , Yuxin Bi , Lingyun Shi
IPC: G09G3/34
Abstract: An image display processing method for a display device, an image display processing device, a display device and a storage medium are provided. The display device includes a backlight unit, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming mode, and the image display processing method includes: acquiring a regional eigenvalue of each backlight block of an (n)th frame image and a regional eigenvalue of each backlight block of an (n−1)th frame image; and performing a peak driving processing on a backlight luminance of each backlight block of the (n)th frame image, based on a preset threshold, the regional eigenvalue of each backlight block of the (n)th frame image and the regional eigenvalue of each backlight block of the (n−1)th frame image, so as to acquire an adjusted backlight luminance of each backlight block of the (n)th frame image.
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公开(公告)号：US10916173B2
公开(公告)日：2021-02-09
申请号：US16397185
申请日：2019-04-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Bin Dai , Yanhui Xi , Xiaomang Zhang , Yan Sun , Yue Li , Yuxin Bi , Yankai Gao
Abstract: The disclosure relates to a method and apparatus for converting a grayscale, and a display device, where color coordinates of respective pixel elements are determined according to grayscales corresponding to red sub-pixels, green sub-pixels, and blue sub-pixels in the respective pixel elements in image data of a frame to be displayed, and then the distances between the color coordinates of the respective pixel elements, and color coordinates of a preset white pixel on the panel, in a CIE chroma graph are determined; and the maximum grayscales of white sub-pixels in the respective pixel elements are further determined according to the respective determined distances and a preset segmentation function.
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公开(公告)号：US12211417B2
公开(公告)日：2025-01-28
申请号：US17913289
申请日：2021-10-22
Inventor： Yifan Hou , Tiankuo Shi , Zhihua Ji , Wei Sun , Xiaomang Zhang , Minglei Chu , Yan Sun , Shuo Zhang , Xiangjun Peng
Abstract: The present disclosure provides a A driving method of a display panel, including: determining a target region and a non-target region in the display panel; dividing the target region into a plurality of target sub-regions, and dividing the non-target region into a plurality of non-target sub-regions, wherein an area of the target sub-region is less than that of the non-target sub-region; determining brightness compensation values of each target sub-region and each non-target sub-region according to a gray scale value of each pixel in an input image; determining a compensated brightness of each pixel unit in the display panel according to the gray scale value of each pixel in the input image, the brightness compensation values of each target sub-region and each non-target sub-region; and driving each pixel unit in the display panel to emit light according to the compensated brightness of each pixel unit in the display panel.
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Patent Agency Ranking
公开(公告)号：US12133056B2
公开(公告)日：2024-10-29
申请号：US17619923
申请日：2021-02-07
Inventor： 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 classification number: H04R3/04 , H04R1/028 , H04R1/227 , H04R1/403 , H04R3/12 , H04R2201/401 , H04R2499/15
Abstract: 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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公开(公告)号：US11837187B2
公开(公告)日：2023-12-05
申请号：US17782281
申请日：2021-05-31
Inventor： Yanhui Xi , Tiankuo Shi , Xiaomang Zhang , Yan Sun , Shuo Zhang , Zhihua Ji , Wei Sun , Ming Chen
IPC: G09G3/36 , G02F1/1347
CPC classification number: G09G3/3607 , G02F1/1347 , G02F2203/30 , G09G2300/0452 , G09G2320/0626
Abstract: A driving method of a display panel, a driving device, a display device, and a storage medium are provided. The driving method of the display panel includes: obtaining an input image that is to be displayed; determining a display picture corresponding to the plurality of display pixels of the display screen according to the input image; determining a first dimming picture corresponding to the plurality of dimming pixels of the dimming screen according to the input image, and processing the first dimming picture to obtain a second dimming picture; providing the display picture to make the dimming screen perform backlight modulation on the display screen according to the second dimming picture, and providing the second dimming picture to make the display screen display the input image according to the display picture.
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公开(公告)号：US11043152B2
公开(公告)日：2021-06-22
申请号：US16438792
申请日：2019-06-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bin Dai , Xiaomang Zhang , Yanhui Xi , Yan Sun , Yankai Gao , Yuxin Bi , Lingyun Shi
IPC: G09G3/00 , G09G3/3291 , G09G3/36 , G09G3/3233
Abstract: A method for filling holes in a naked-eye 3D multi-viewpoint image is provided, comprising: sequentially performing a step of mapping, determining and marking row by row, comprising mapping two first pixels adjacent to each other in a row direction among a plurality of first pixels in a reference camera image to two second pixels in a virtual camera image, determining whether there is a hole between the two second pixels, and if so, marking the hole; and sequentially performing a step of scanning, assessing and filling row by row, comprising scanning two second pixels adjacent to each other in a row direction, assessing whether there is a marked hole between the two adjacent second pixels, and filling the marked hole according to at least one non-zero second pixel which is adjacent to the marked hole.
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公开(公告)号：US12177645B2
公开(公告)日：2024-12-24
申请号：US17800011
申请日：2021-05-21
Inventor： Shuo Zhang , Tiankuo Shi , Xiaomang Zhang , Yanhui Xi , Zhihua Ji , Yan Sun , Chenxi Zhao , Xiangjun Peng , Yifan Hou , Lianghao Zhang , Li Tian , Jing Liu , Wei Sun
IPC: H04S7/00 , G02B30/00 , G06T7/593 , G06T7/73 , G09F9/00 , G09F27/00 , H04N5/64 , H04N13/302 , H04R1/02 , H04R1/34 , H04R1/40 , H04R3/12 , H04R5/02 , H04R5/04
Abstract: A sound-generating device, a display device, a sound-generating controlling method, and a sound-generating controlling device are provided. The sound-generating device includes: a reflection plate which includes a first sound wave reflection face arranged towards a first direction; a plurality of main loudspeakers, the plurality of main loudspeakers are distributed in an array in a preset three-dimensional space, and the preset three-dimensional space is located at one side of the first sound wave reflection face towards a first direction; the plurality of main loudspeakers include first main loudspeakers with a sound-generating direction towards the first direction, and second main loudspeakers with a sound-generating direction towards a second direction, the second direction is an opposite direction of the first direction; and the sound waves emitted by the second main loudspeakers are transmitted to the first sound wave reflection face and can be reflected by the first sound wave reflection face.
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公开(公告)号：US12067935B2
公开(公告)日：2024-08-20
申请号：US17762695
申请日：2021-05-07
Inventor： Yifan Hou , Tiankuo Shi , Zhihua Ji , Xiaomang Zhang , Xin Duan , Wei Sun , Tao Yang , Chenxi Zhao , Xiangjun Peng , Shuo Zhang , Minglei Chu , Yan Sun , Yanhui Xi
IPC: G09G3/3258 , G09G3/3208 , H01L27/32
CPC classification number: G09G3/3208 , G09G2320/0233 , G09G2320/0242 , G09G2320/041 , G09G2360/16
Abstract: A display compensating method, display compensating device, and display device are provided, which relates to field of display and addresses the issues of poor screen uniformity, grayscale relationship change of sub-pixel due to ambient temperature change, and display screen brightness affected by ageing offset of threshold voltage corresponding to the sub-pixel. The display compensating method is applied to the display device, including: converting a received grayscale signal into a brightness signal; performing an optical compensation on a display brightness of the display device based on the brightness signal; converting a corresponding brightness signal on which the optical compensation is performed into a voltage signal; compensating for a threshold voltage corresponding to each sub-pixel in the display device based on the voltage signal; and compensating for operating parameters of the display device for the display device at different operating temperatures.
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