Patents by Inventor Yifan HOU
Yifan HOU 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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Publication number: 20220223110Abstract: 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: ApplicationFiled: December 20, 2021Publication date: July 14, 2022Inventors: Tiankuo SHI, Yifan HOU, Zhihua JI, Xiaomang ZHANG, Wei SUN, Rui LIU, Minglei CHU, Xue DONG, Hao ZHANG, Lili CHEN
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Patent number: 11335236Abstract: The present disclosure provides an image processing method and a display device including rows of actual pixels each including actual sub-pixels, and starting positions of actual sub-pixels in odd-numbered and even-numbered rows are staggered by a distance of half of an actual sub-pixel. The method includes: determining rows of theoretical pixels corresponding to a to-be-displayed image, each theoretical pixel including theoretical sub-pixels, each actual pixel corresponding to at least two theoretical pixels; calculating grayscale data of each actual sub-pixel in a manner of: for a target actual pixel, determining a rendering mode for calculating grayscale data of each actual sub-pixel of the target actual pixel according to whether there is a specified detail feature in a pixel area where target theoretical pixels corresponding to the target actual pixel are located, different rendering modes are employed when there is or there is not a specified detail feature in the pixel area.Type: GrantFiled: June 30, 2020Date of Patent: May 17, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhiheng Zhou, Tiankuo Shi, Yue Li, Xiaomang Zhang, Jingpeng Zhao, Yifan Hou, Zhihua Ji, Yilang Sun, Yifang Chu, Chuanjun Liu, Xin Duan, Lingyun Shi
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Patent number: 11308897Abstract: A display device and a display control method, and the display device includes: a backlight module, a first display panel, and a second display panel, and a processor. The processor is configured to: acquire a pixel grayscale matrix of an image to be displayed; determine desired brightness of each pixel by using a grayscale-brightness curve of the second display panel based on the pixel grayscale matrix; determine set light-emitting brightness of backlight partition according to grayscale information in the pixel grayscale matrix corresponding to the backlight partition; obtain a first corrected brightness of each backlight partition based on light diffusion coefficients of the plurality of backlight partitions; determine a grayscale of pixel unit according to a brightness difference between the first corrected brightness and the desired brightness; obtain a second corrected brightness of the backlight partition.Type: GrantFiled: May 22, 2020Date of Patent: April 19, 2022Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tiankuo Shi, Lingyun Shi, Xiaomang Zhang, Xin Duan, Wei Sun, Guofeng Hu, Zhihua Ji, Yanhui Xi, Yan Sun, Bin Dai, Yue Li, Yifan Hou, Yilang Sun, Chuanjun Liu, Xue Dong
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Patent number: 11289035Abstract: A method for obtaining a backlight intensity may improving data processing speed of a display device. The method includes: dividing image data into N sets of data; calculating a backlight intensity of each backlight block according to a corresponding set of data; for each group of pixels, calculating a backlight intensity corresponding to a first pixel according to a backlight intensity of each effective backlight block corresponding to the first pixel and a backlight diffusion weight of the effective backlight block corresponding to the first pixel; calculating backlight intensities corresponding to second to Mth pixels in the Tth group of pixels according to the backlight intensities corresponding to first pixels in the Tth group of pixels and a (T+1)th group of pixels; and for a Nth group of pixels, setting the backlight intensity corresponding to the first pixel as backlight intensities corresponding to second to Mth pixels.Type: GrantFiled: June 29, 2020Date of Patent: March 29, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhihua Ji, Tiankuo Shi, Zhenkun Song, Xiaomang Zhang, Hsinchung Lo, Chingwen Kung, Lingyun Shi, Xin Duan, Yue Li, Yifan Hou
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Publication number: 20220095070Abstract: 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: ApplicationFiled: September 24, 2021Publication date: March 24, 2022Inventors: Yanhui XI, Xiaomang ZHANG, Zhihua JI, Tiankuo SHI, Yan SUN, Shuo ZHANG, Xiangjun PENG, Yifan HOU, Chenxi ZHAO, Minglei CHU
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Publication number: 20210390916Abstract: A display device and a display control method, and the display device includes: a backlight module, a first display panel, and a second display panel, and a processor. The processor is configured to: acquire a pixel grayscale matrix of an image to be displayed; determine desired brightness of each pixel by using a grayscale-brightness curve of the second display panel based on the pixel grayscale matrix; determine set light-emitting brightness of backlight partition according to grayscale information in the pixel grayscale matrix corresponding to the backlight partition; obtain a first corrected brightness of each backlight partition based on light diffusion coefficients of the plurality of backlight partitions; determine a grayscale of pixel unit according to a brightness difference between the first corrected brightness and the desired brightness; obtain a second corrected brightness of the backlight partition.Type: ApplicationFiled: May 22, 2020Publication date: December 16, 2021Inventors: Tiankuo Shi, Lingyun Shi, Xiaomang Zhang, Xin Duan, Wei Sun, Guofeng Hu, Zhihua Ji, Yanhui Xi, Yan Sun, Bin Dai, Yue Li, Yifan Hou, Yilang Sun, Chuanjun Liu, Xue Dong
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Publication number: 20210217370Abstract: Provided are a method for controlling backlight of a display device, a backlight controller for a display device, and a display device. The method includes: identifying a light emission luminance of each backlight partition in a backlight module according to display luminances of the plurality of display partitions; when the plurality of backlight partitions include two adjacent backlight partitions and an absolute value of a difference between the light emission luminance of the two adjacent backlight partitions is greater than a target threshold, adjusting the light emission luminance of at least one of the two adjacent backlight partitions such that the absolute value of the difference between the light emission luminances of the two adjacent backlight partitions is decreased; and after the luminance is adjusted, controlling light-emitting of each backlight partition.Type: ApplicationFiled: December 17, 2019Publication date: July 15, 2021Inventors: Yilang Sun, Tiankuo Shi, Zhihua Ji, Xiaomang Zhang, Yifan Hou
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Publication number: 20210193018Abstract: The present disclosure provides an image processing method and a display device including rows of actual pixels each including actual sub-pixels, and starting positions of actual sub-pixels in odd-numbered and even-numbered rows are staggered by a distance of half of an actual sub-pixel. The method includes: determining rows of theoretical pixels corresponding to a to-be-displayed image, each theoretical pixel including theoretical sub-pixels, each actual pixel corresponding to at least two theoretical pixels; calculating grayscale data of each actual sub-pixel in a manner of: for a target actual pixel, determining a rendering mode for calculating grayscale data of each actual sub-pixel of the target actual pixel according to whether there is a specified detail feature in a pixel area where target theoretical pixels corresponding to the target actual pixel are located, different rendering modes are employed when there is or there is not a specified detail feature in the pixel area.Type: ApplicationFiled: June 30, 2020Publication date: June 24, 2021Applicants: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhiheng ZHOU, Tiankuo SHI, Yue LI, Xiaomang ZHANG, Jingpeng ZHAO, Yifan HOU, Zhihua JI, Yilang SUN, Yifang CHU, Chuanjun LIU, Xin DUAN, Lingyun SHI
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Patent number: 10976605Abstract: A picture compensation method and apparatus, a display device and a non-volatile computer-readable storage medium are disclosed.Type: GrantFiled: October 17, 2019Date of Patent: April 13, 2021Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhihua Ji, Tiankuo Shi, Xiaomang Zhang, Yifang Chu, Yilang Sun, Chuanjun Liu, Xin Duan, Lingyun Shi, Yue Li, Yifan Hou
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Patent number: 10923046Abstract: An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a backlight unit, and the backlight unit is divided into a plurality of display backlight blocks and driven by a local dimming mode. The image display processing method includes: determining at least one boundary backlight block corresponding to a display image in the plurality of display backlight blocks; determining at least one target pixel and at least one background pixel corresponding to each boundary backlight block, and obtaining a backlight value of each boundary backlight block based on a grayscale value of the at least one target pixel and a grayscale value of the at least one background pixel; and displaying the display image.Type: GrantFiled: April 23, 2019Date of Patent: February 16, 2021Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yilang Sun, Tiankuo Shi, Xiaomang Zhang, Zhihua Ji, Yifang Chu, Lingyun Shi, Yifan Hou
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Publication number: 20200410945Abstract: A method for obtaining a backlight intensity may improving data processing speed of a display device. The method includes: dividing image data into N sets of data; calculating a backlight intensity of each backlight block according to a corresponding set of data; for each group of pixels, calculating a backlight intensity corresponding to a first pixel according to a backlight intensity of each effective backlight block corresponding to the first pixel and a backlight diffusion weight of the effective backlight block corresponding to the first pixel; calculating backlight intensities corresponding to second to Mth pixels in the Tth group of pixels according to the backlight intensities corresponding to first pixels in the Tth group of pixels and a (T+1)th group of pixels; and for a Nth group of pixels, setting the backlight intensity corresponding to the first pixel as backlight intensities corresponding to second to Mth pixels.Type: ApplicationFiled: June 29, 2020Publication date: December 31, 2020Inventors: Zhihua JI, Tiankuo SHI, Zhenkun SONG, Xiaomang ZHANG, Hsinchung LO, Chingwen KUNG, Lingyun SHI, Xin DUAN, Yue LI, Yifan HOU
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Patent number: 10878761Abstract: An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a display panel and a backlight unit which includes a plurality of backlight blocks and is driven in a local dimming mode. The method includes: determining a first display area and a second display area of the display panel; obtaining backlight values of the backlight blocks, and calculating compensated display data of respective pixels corresponding to the backlight blocks based on the backlight values of the backlight blocks; and adjusting compensated display data of at least one first pixel comprised in the first display area to obtain adjusted display data of the at least one first pixel. A display resolution of the first display area is larger than a display resolution of the second display area.Type: GrantFiled: September 3, 2019Date of Patent: December 29, 2020Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhihua Ji, Wenyu Li, Tiankuo Shi, Yafei Li, Yue Li, Yifan Hou
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Publication number: 20200279534Abstract: An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a display panel and a backlight unit which includes a plurality of backlight blocks and is driven in a local dimming mode. The method includes: determining a first display area and a second display area of the display panel; obtaining backlight values of the backlight blocks, and calculating compensated display data of respective pixels corresponding to the backlight blocks based on the backlight values of the backlight blocks; and adjusting compensated display data of at least one first pixel comprised in the first display area to obtain adjusted display data of the at least one first pixel. A display resolution of the first display area is larger than a display resolution of the second display area.Type: ApplicationFiled: September 3, 2019Publication date: September 3, 2020Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhihua JI, Wenyu LI, Tiankuo SHI, Yafei LI, Yue LI, Yifan HOU
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Publication number: 20200225537Abstract: A picture compensation method and apparatus, a display device and a non-volatile computer-readable storage medium are disclosed.Type: ApplicationFiled: October 17, 2019Publication date: July 16, 2020Inventors: Zhihua Ji, Tiankuo Shi, Xiaomang Zhang, Yifang Chu, Yilang Sun, Chuanjun Liu, Xin Duan, Lingyun Shi, Yue Li, Yifan Hou
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Publication number: 20200082769Abstract: An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a backlight unit, and the backlight unit is divided into a plurality of display backlight blocks and driven by a local dimming mode. The image display processing method includes: determining at least one boundary backlight block corresponding to a display image in the plurality of display backlight blocks; determining at least one target pixel and at least one background pixel corresponding to each boundary backlight block, and obtaining a backlight value of each boundary backlight block based on a grayscale value of the at least one target pixel and a grayscale value of the at least one background pixel; and displaying the display image.Type: ApplicationFiled: April 23, 2019Publication date: March 12, 2020Inventors: Yilang SUN, Tiankuo SHI, Xiaomang ZHANG, Zhihua JI, Yifang CHU, Lingyun SHI, Yifan HOU