Patents by Inventor ZHIHUA JI
ZHIHUA JI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12067935Abstract: 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.Type: GrantFiled: May 7, 2021Date of Patent: August 20, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: 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
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Publication number: 20240249690Abstract: 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.Type: ApplicationFiled: January 4, 2022Publication date: July 25, 2024Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiangjun Peng, Tiankuo Shi, Shuo Zhang, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Xin Duan, Wei Sun
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Patent number: 12033592Abstract: Provided is a method for displaying an image, including acquiring a first target image with a third resolution and a second target image with a fourth resolution; determining a reference grayscale value of each of the backlight sections based on grayscale values of respective pixels in the first image region corresponding to the backlight section; determining grayscale values of respective pixels in a first display image based on grayscale values of respective pixels in the first target image; determining grayscale values of respective pixels in a second display image; driving each of the backlight sources to emit light based on the reference grayscale value of the backlight section where the backlight source is disposed; driving the first display panel to perform display based on the first display image; and driving the second display panel to perform display based on the second display image.Type: GrantFiled: December 24, 2020Date of Patent: July 9, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO. , LTD., BOE TECHNOLOGY GROUP CO. , LTD.Inventors: Shuo Zhang, Tiankuo Shi, Xiaomang Zhang, Yanhui Xi, Zhihua Ji, Yan Sun, Chenxi Zhao, Xiangjun Peng, Yifan Hou, Minglei Chu
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Publication number: 20240203314Abstract: The present disclosure provides 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.Type: ApplicationFiled: October 22, 2021Publication date: June 20, 2024Inventors: Yifan HOU, Tiankuo SHI, Zhihua JI, Wei SUN, Xiaomang ZHANG, Minglei CHU, Yan SUN, Shuo ZHANG, Xiangjun PENG
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Patent number: 11961479Abstract: A display device and a method for driving the display device are described, where the display device includes a plurality of pixel island groups, a plurality of lenses, a positioning module, and a gate driving chip. The plurality of pixel island groups are arranged in array, wherein each of the pixel island groups includes a plurality of pixel islands, and different pixel islands are able to be scanned in different scanning modes. The positioning module is configured to determine a gaze area and a non-gaze area according to gazed coordinates of human eye. The gate driving chip is configured to provide gate driving signals in a first driving manner to sub-pixel units in the gaze area, and provide gate driving signals simultaneously in a second driving manner to sub-pixel units in the non-gaze area during a scanning stage of the sub-pixel units in the non-gaze area.Type: GrantFiled: December 22, 2020Date of Patent: April 16, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tiankuo Shi, Wei Sun, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Rui Liu, Jigang Sun, Yuxin Bi, Xue Dong
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Patent number: 11941318Abstract: 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.Type: GrantFiled: April 27, 2021Date of Patent: March 26, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaomang Zhang, Xiangjun Peng, Tiankuo Shi, Chenxi Zhao, Shuo Zhang, Yifan Hou, Yan Sun, Li Tian, Jing Liu, Wei Sun, Zhihua Ji, Yanhui Xi
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Publication number: 20240071280Abstract: A display method comprises: acquiring multiple frames of images to be displayed, one frame of two adjacent frames of the images to be displayed being an image in an odd-numbered row, the other frame being an image in an even-numbered row, the resolution of the image in the odd-numbered row being M*(a*N), the resolution of the image in the even-numbered row being M*(a*N) or (M?1)*(a*N), and a being 1 or 2; and causing an odd-numbered display group to display the image in the odd-numbered row, and causing an even-numbered display group to display the image in the even-numbered row, the odd-numbered display group comprising M*(a*N) odd-numbered display units, the even-numbered display group comprising (M?1)*(a*N) even-numbered display units, the odd-numbered display unit in the i-th row comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel in a pixel unit in the i-th row.Type: ApplicationFiled: July 8, 2022Publication date: February 29, 2024Inventors: Tiankuo SHI, Xin DUAN, Minglei CHU, Wei SUN, Xiaomang ZHANG, Shuo ZHANG, Zhihua JI, Yan SUN, Xue DONG
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Patent number: 11917167Abstract: The present disclosure provides an image compression method, including steps of: acquiring a human-eye fixation point on an original image, and determining a fixation region and a non-fixation region of the original image according to the human-eye fixation point; and compressing the non-fixation region, and generating a compressed image according to the fixation region and the compressed non-fixation region. The present disclosure also provides an image display method, an image compression apparatus, an image display apparatus, and a computer readable medium.Type: GrantFiled: May 8, 2021Date of Patent: February 27, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhihua Ji, Tiankuo Shi, Xiaomang Zhang, Chingwen Kung, Rui Liu, Yifan Hou, Minglei Chu, Yanhui Xi, Yan Sun, Chenxi Zhao, Xiangjun Peng, Shuo Zhang
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Publication number: 20240054950Abstract: 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.Type: ApplicationFiled: May 7, 2021Publication date: February 15, 2024Inventors: 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
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Publication number: 20240046836Abstract: An image processing method and apparatus, an electronic device and a storage medium are provided. The method includes: obtaining an original image, and for each of pixels in the original image, converting first color data of the pixel into second color data corresponding to a set color space (S12); calculating a feature weighted value of the pixel according to the second color data and a preset rule (S14); and determining a uniformity of the pixels based on the feature weighted values to mark the pixels (S16).Type: ApplicationFiled: December 11, 2020Publication date: February 8, 2024Inventors: Xiangjun PENG, Tiankuo SHI, Chenxi ZHAO, Yifan HOU, Shuo ZHANG, Yan SUN, Zhihua JI, Yanhui XI, Wei SUN, Xin DUAN
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Patent number: 11837187Abstract: 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.Type: GrantFiled: May 31, 2021Date of Patent: December 5, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY PRESY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanhui Xi, Tiankuo Shi, Xiaomang Zhang, Yan Sun, Shuo Zhang, Zhihua Ji, Wei Sun, Ming Chen
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Publication number: 20230377526Abstract: Provided is a method for displaying an image, including acquiring a first target image with a third resolution and a second target image with a fourth resolution; determining a reference grayscale value of each of the backlight sections based on grayscale values of respective pixels in the first image region corresponding to the backlight section; determining grayscale values of respective pixels in a first display image based on grayscale values of respective pixels in the first target image; determining grayscale values of respective pixels in a second display image; driving each of the backlight sources to emit light based on the reference grayscale value of the backlight section where the backlight source is disposed; driving the first display panel to perform display based on the first display image; and driving the second display panel to perform display based on the second display image.Type: ApplicationFiled: December 24, 2021Publication date: November 23, 2023Inventors: Shuo Zhang, Tiankuo Shi, Xiaomang Zhang, Yanhui Xi, Zhihua Ji, Yan Sun, Chenxi Zhao, Xiangjun Peng, Yifan Hou, Minglei Chu
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Patent number: 11715425Abstract: A display method, a display device, a display system, and a storage medium are provided. The display method includes: obtaining a first fixation coordinate transmitted by an image acquisition device, and obtaining a second fixation coordinate and a current frame of image that are transmitted by a first processor; performing refresh and display by using the current frame of image; determining a type of the current frame of image, and determining, based on the type, whether the first fixation coordinate changes abnormally; and performing refresh and display by using a previous frame of image for non-fixation region in a case that the first fixation coordinate changes abnormally, and performing refresh and display by using a next frame of image transmitted by the first processor in a case that the first fixation coordinate does not change abnormally.Type: GrantFiled: December 20, 2021Date of Patent: August 1, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tiankuo Shi, Yifan Hou, Zhihua Ji, Xiaomang Zhang, Wei Sun, Rui Liu, Minglei Chu, Xue Dong, Hao Zhang, Lili Chen
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Publication number: 20230156402Abstract: 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.Type: ApplicationFiled: February 7, 2021Publication date: May 18, 2023Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: 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
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Patent number: 11647349Abstract: A display device, a method for realizing panoramic sound, a non-transitory storage medium are provided. The method includes: performing space model parameter modification on preset space model based on application environment; determining middle audio source information based on video source information as read, determining side audio source information based on video source information and modified space model parameter; determining top audio source information based on sound image position information and side audio source information; controlling middle sound production circuit to produce sound based on middle audio source information, two side sound production circuits to produce sound based on side audio source information, top sound production circuit to produce sound based on top audio source information.Type: GrantFiled: September 24, 2021Date of Patent: May 9, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanhui Xi, Xiaomang Zhang, Zhihua Ji, Tiankuo Shi, Yan Sun, Shuo Zhang, Xiangjun Peng, Yifan Hou, Chenxi Zhao, Minglei Chu
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Patent number: 11615509Abstract: The present disclosure provides a picture processing method and device, including: an integrated circuit chip IC receiving a to-be-processed picture sent by a graphics processor GPU; the IC pre-processing the to-be-processed picture; the IC performing counter-distortion process on the pre-processed picture; and the IC outputting the picture which is subjected to the counter-distortion process for display.Type: GrantFiled: September 11, 2018Date of Patent: March 28, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo Gao, Yue Li, Tiankuo Shi, Yafei Li, Wei Sun, Zhihua Ji, Jinxing Liu, Zijiao Xue, Xiangyi Chen
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Publication number: 20230088891Abstract: 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.Type: ApplicationFiled: August 5, 2021Publication date: March 23, 2023Inventors: Shuo Zhang, Yanhui Xi, Tiankuo Shi, Xiaomang Zhang, Zhihua Ji, Yan Sun, Chenxi Zhao, Xiangjun Peng, Yifan Hou, Minglei Chu
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Publication number: 20230088530Abstract: 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.Type: ApplicationFiled: May 21, 2021Publication date: March 23, 2023Inventors: 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
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Publication number: 20230075878Abstract: 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.Type: ApplicationFiled: April 27, 2021Publication date: March 9, 2023Inventors: Xiaomang ZHANG, Xiangjun PENG, Tiankuo SHI, Chenxi ZHAO, Shuo ZHANG, Yifan HOU, Yan SUN, Li TIAN, Jing LIU, Wei SUN, Zhihua JI, Yanhui XI
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Publication number: 20220398981Abstract: A display device and a method for driving the display device are described, where the display device includes a plurality of pixel island groups, a plurality of lenses, a positioning module, and a gate driving chip. The plurality of pixel island groups are arranged in array, wherein each of the pixel island groups includes a plurality of pixel islands, and different pixel islands are able to be scanned in different scanning modes. The positioning module is configured to determine a gaze area and a non-gaze area according to gazed coordinates of human eye. The gate driving chip is configured to provide gate driving signals in a first driving manner to sub-pixel units in the gaze area, and provide gate driving signals simultaneously in a second driving manner to sub-pixel units in the non-gaze area during a scanning stage of the sub-pixel units in the non-gaze area.Type: ApplicationFiled: December 22, 2020Publication date: December 15, 2022Inventors: Tiankuo SHI, Wei SUN, Yifan HOU, Zhihua JI, Xiaomang ZHANG, Rui LIU, Jigang SUN, Yuxin BI, Xue DONG