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公开(公告)号:US20210092339A1
公开(公告)日:2021-03-25
申请号:US16862877
申请日:2020-04-30
Inventor: Shuo ZHANG , Hao ZHANG , Lili CHEN , Hongzhen XUE , Minglei CHU , Guixin YAN , Yukun SUN , Chenxi ZHAO , Zehua DONG , Xiangjun PENG , Yaoyu LV , Yachong XUE , Huidong HE , Qingwen FAN
IPC: H04N9/31
Abstract: Embodiments of the present disclosure relate to a method for analyzing an imaging quality of an imaging system. The imaging system comprises a spatial light modulator. The spatial light modulator comprises pixel units arranged in an array. The method comprises obtaining a transmittance distribution function of the spatial light modulator based on a structural parameter of the pixel unit, wherein the structural parameter is an aperture ratio. The imaging quality analysis parameter of the imaging system is obtained based on the transmittance distribution function of the spatial light modulator. Then, the imaging quality of the imaging system is analyzed based on the imaging quality analysis parameter.
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12.
公开(公告)号:US20250142258A1
公开(公告)日:2025-05-01
申请号:US19008548
申请日:2025-01-02
Inventor: Minglei CHU , Yanhui XI , Xiaomang ZHANG , Xiangjun PENG , Wenchao HAN , Lianghao ZHANG , Wei SUN , Rui LIU , Xin DUAN , Tiankuo SHI
Abstract: The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device. The device includes: a display screen which includes a first display region, a middle display region, and a second display region; a plurality of sound-emitting units, which include: a plurality of first sound-emitting units, a plurality of second sound-emitting units and a plurality of third sound-emitting units, the orthographic projection of the first sound-emitting units on the plane of the display screen is located in the first display region, the orthographic projection of the second sound-emitting units on the plane of the display screen is located in the second display region, and the orthographic projection of the third sound-emitting units on the plane of the display screen is located in the third display region; the plurality of first sound-emitting units and the plurality of second sound-emitting units respectively include a sound-emitting unit which emits sounds at a first frequency band, a sound-emitting unit which emits sounds at a second frequency band, and a sound-emitting unit which emits sounds at a third frequency band; the first, second, and third frequency bands increase in turn; and all of the plurality of third sound-emitting units are the sound-emitting units emitting sound in the second frequency band.
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13.
公开(公告)号:US20240371336A1
公开(公告)日:2024-11-07
申请号:US18777612
申请日:2024-07-19
Applicant: BOE Technology Group Co., Ltd.
Inventor: Qiong WU , Xiangjun PENG , Xin DUAN , Ce NING , Lizhong WANG , Yifan HOU , Shuo ZHANG , Huiling XUE , Hui GUO
Abstract: A liquid crystal display device, a method for displaying an image, and an electronic device are provided. In the first operation mode, a control circuit of the display device is configured to: receive display data of an mth image frame, and control the display device to display n sub-field images. The display data includes initial gray scales under n base colors. In a sub-field image of the mth image frame: pixels include a target pixel, and an actual gray scale of the target pixel is an average of an intermediate gray scale and initial gray scales of T non-target pixels. An actual gray scale of at least a part of non-target pixels is an initial gray scale thereof. The target pixel meets at least one of a first condition and a second condition.
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14.
公开(公告)号:US20240321225A1
公开(公告)日:2024-09-26
申请号:US18646812
申请日:2024-04-26
Applicant: BOE Technology Group Co., Ltd.
Inventor: Huiling XUE , Yifan HOU , Xiangjun PENG , Shuo ZHANG , Qiong WU , Xin DUAN , Wei SUN
CPC classification number: G09G3/3426 , G09G3/2007 , G09G3/32 , G09G2320/0233 , G09G2320/0626 , G09G2330/021
Abstract: Disclosed is a backlight diffusion parameter generation method, including: selecting and measuring illumination diffusion data of at least one of multiple light emitting regions, wherein the illumination diffusion data includes brightness data of multiple pixels on a display panel and distance data between positions corresponding to multiple pixels and a position where an illuminated light emitting region is located when only one light emitting region is illuminated; preprocessing the illumination diffusion data to obtain an effective pixel; performing function fitting according to data corresponding to multiple effective pixels to obtain a point spread function representing a relationship between diffusion brightness and a diffusion distance; storing a backlight diffusion parameter lookup table, which includes multiple diffusion distance bonding points and diffusion brightness corresponding to each of the diffusion distance bonding points, and also includes a diffusion slope between two adjacent diffusion distance bonding points.
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15.
公开(公告)号:US20230094077A1
公开(公告)日:2023-03-30
申请号:US17909420
申请日:2021-06-17
Inventor: Chenxi ZHAO , Xingyu GUO , Tiankuo SHI , Xiaomang ZHANG , Xiangjun PENG , Shuo ZHANG
IPC: G09G3/34
Abstract: 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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16.
公开(公告)号:US20230074524A1
公开(公告)日:2023-03-09
申请号:US17785644
申请日:2021-08-12
Inventor: Xiangjun PENG , Tiankuo SHI , Chenxi ZHAO , Yifan HOU , Xiaomang ZHANG , Wei SUN , Shuo ZHANG , Yan SUN
Abstract: The present disclosure provides a method and a device for obtaining display compensation information, a display compensation method and a display compensation device. The method includes: obtaining target data in a pure-color image displayed by a display panel, the display panel including a plurality of pixels, each pixel includes a plurality of monochromatic light-emitting elements in various colors, each monochromatic light-emitting element in a corresponding color being configured to display an image at a highest grayscale value when the pure-color image is displayed by the display panel; determining a conversion matrix for a target gamut of the display panel and a pixel conversion matrix for each pixel in accordance with the target data; and determining a uniformity conversion matrix for performing brightness and chromaticity uniformity compensation on each pixel in accordance with the pixel conversion matrix and the conversion matrix for the target gamut. According to the present disclosure, it is able to improve the brightness uniformity and the chromaticity uniformity of the display panel.
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公开(公告)号:US20240290010A1
公开(公告)日:2024-08-29
申请号:US18658866
申请日:2024-05-08
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xiangjun PENG , Tiankuo SHI , Minglei CHU , Yifan HOU , Yan SUN , Yaofeng LI , Rui LIU , Xin DUAN , Wei SUN , Xiao CHU , Hui LI , Shuo ZHANG
CPC classification number: G06T11/001 , G06F3/013 , G06T7/13 , G06T2207/10024 , G06T2207/20021
Abstract: An image processing method based on a dither algorithm and a display device are disclosed. The method includes: obtaining a to-be-displayed image, and determining a first region and a second region of the to-be-displayed image, where the first region and the second region are determined according to a coverage range of a visual field of a user on a display screen; determining a first dither algorithm corresponding to the first region and a second dither algorithm corresponding to the second region, where parameter matrices the first dither algorithm and the second dither algorithm are different; and obtaining a rendered image of the to-be-displayed image by rendering the first region according to the first dither algorithm and rendering the second region according to the second dither algorithm, and displaying the rendered image on the display screen.
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18.
公开(公告)号:US20230156402A1
公开(公告)日:2023-05-18
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 , H04R3/12 , H04R1/227 , H04R1/403 , H04R2499/15 , H04R2201/401
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:US20230088530A1
公开(公告)日:2023-03-23
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
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:US20230075878A1
公开(公告)日:2023-03-09
申请号:US17785717
申请日:2021-04-27
Inventor: Xiaomang ZHANG , Xiangjun PENG , Tiankuo SHI , Chenxi ZHAO , Shuo ZHANG , Yifan HOU , Yan SUN , Li TIAN , Jing LIU , Wei SUN , Zhihua JI , Yanhui XI
Abstract: The present application provides an audio and video playing system, a playing method and a playing device. The system comprises: a display device; a directional sound output module configured to output a directional sound signal; a tracking element configured to monitor a target visual area and to monitor the target display area on the display screen; and a processor, connected with the directional sound output module and the tracking element respectively, and configured to acquire a first audio and video data to be output in the target display area, display image information of the first audio and video data in the target display area, and output sound information of the first audio and video data to the directional sound output module such that the directional sound output module output a directional sound signal towards the target visual area.
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