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公开(公告)号:US20220276490A1
公开(公告)日:2022-09-01
申请号:US17638084
申请日:2021-01-07
Inventor: Yulong WU , Ke LI , Ruijun DONG , Chenru WANG , Na HAN , Jiarong BAI , Lili CHEN , Hao ZHANG
IPC: G02B27/01
Abstract: Disclosed is a near eye display apparatus, comprising a display screen and an imaging system. The imaging system comprises a biconvex lens, a transflective plane mirror and a transflective curved mirror. The biconvex lens is configured to magnify a display image of the display screen; the transflective plane mirror is configured to receive imaging light from the biconvex lens and reflect same to the transflective curved mirror; and the transflective curved mirror is configured to converge the imaging light and reflect same to the position(s) where human eyes are located.
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公开(公告)号:US20220271113A1
公开(公告)日:2022-08-25
申请号:US17628702
申请日:2020-03-25
Inventor: Yang ZHOU , Yao HUANG , Yiyang ZHANG , Hao ZHANG , Linhong HAN
IPC: H01L27/32
Abstract: A display panel and a display device are provided. The display panel includes: a light transmission region; a display region; a bezel region located between the light transmission region and the display region; a plurality of data lines including a plurality of bezel region data lines and a plurality of display region data lines, and a plurality of gate lines including a plurality of bezel region gate lines and a plurality of display region gate lines, each bezel region gate line includes a first portion, each bezel region data line includes a first portion, an extending direction of the first portion of the bezel region gale line is same as that of the first portion of the bezel region data line, and the first portion of the bezel region gate line overlaps with the first portion of one bezel region data line in a direction perpendicular to the base substrate.
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143.
公开(公告)号:US20220269341A1
公开(公告)日:2022-08-25
申请号:US17555230
申请日:2021-12-17
Inventor: Jiankang SUN , Hao ZHANG , Lili CHEN , Yachong XUE , Xinkai LI
Abstract: A sight positioning method, a head-mounted display device, a computer device, and a computer-readable storage medium are provided. The method includes: determining a first transform relation and a second transform relation, where the first transform relation is a transform relation between an image coordinate system and a light source coordinate system, and the second transform relation is a transform relation between the light source coordinate system and a display unit coordinate system; calculating coordinates of a pupil center in the image coordinate system according to an eye image of eyes of a user acquired by the image acquisition equipment; and obtaining coordinates of the pupil center serving as a fixation point position in the display unit coordinate system of the display unit according to the coordinates of the pupil center in the image coordinate system, the first transform relation and the second transform relation.
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144.
公开(公告)号:US20220164966A1
公开(公告)日:2022-05-26
申请号:US17349952
申请日:2021-06-17
Inventor: Yachong XUE , Hao ZHANG , Lili CHEN , Jiankang SUN , Guixin YAN , Xiaolei LIU , Yaoyu LV , Menglei ZHANG , Xinkai LI
Abstract: A method for tracking eye gaze, a system, a processing device and a computer readable storage medium are provided. The method includes: acquiring original images acquired by multiple image acquisition devices, splicing the multiple original images into a spliced image, and determining a responsible region of each image acquisition device in the spliced image; performing preliminary face locating on the spliced image, and determining one or more original images corresponding to a preliminarily located face position according to the preliminarily located face position and the responsible region; and performing secondary face locating on the one or more determined original images to obtain face pose information and a positional relation of pupils with respect to human eyes, and calculating coordinates of gaze points of the human eyes according to the obtained face pose information and the positional relation of the pupils with respect to the human eyes.
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公开(公告)号:US20220129660A1
公开(公告)日:2022-04-28
申请号:US17319933
申请日:2021-05-13
Inventor: Yachong XUE , Hao ZHANG , Lili CHEN , Jiankang SUN , Xinkai LI , Guixin YAN , Xiaolei LIU , Yaoyu LV , Menglei ZHANG
Abstract: A system and a method of calculating coordinates of a pupil center point are provided. The system for acquiring the coordinates of the pupil center point includes a first camera, a second camera, a storage and a processor. The first camera is configured to capture a first image including a face and output the first image to the processor, the second camera is configured to capture a second image including a pupil and output the second image to the processor, a resolution of the first camera is smaller than a resolution of the second camera, and the storage is configured to store processing data, and the processor is configured to: acquire the first image and the second image; extract a first eye region corresponding to an eye from the first image; convert the first eye region into the second image, to acquire a second eye region corresponding to the eye in the second image; and detect a pupil in the second eye region and acquire the coordinates of the pupil center point.
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公开(公告)号:US20220100030A1
公开(公告)日:2022-03-31
申请号:US17412101
申请日:2021-08-25
Inventor: Ruijun DONG , Xue DONG , Hao ZHANG , Wenhong TIAN , Yulong WU , Chenru WANG , Ke LI , Jiarong BAI , Na HAN
IPC: G02F1/1335 , G02F1/1343 , G06F3/01
Abstract: A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.
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147.
公开(公告)号:US20210408218A1
公开(公告)日:2021-12-30
申请号:US16499697
申请日:2019-03-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: An OLED display substrate, a manufacturing method thereof, and a display device are provided. The OLED display substrate includes a base substrate, a conductive pattern, a driving circuit layer, an anode layer, a light-emitting layer and a cathode layer. The driving circuit layer, the anode layer, the cathode layer and the light-emitting layer are arranged at a same side of the base substrate. The conductive pattern is arranged between the base substrate and the driving circuit layer and electrically connected to the cathode layer through a plurality of via holes.
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148.
公开(公告)号:US20210405389A1
公开(公告)日:2021-12-30
申请号:US17288722
申请日:2020-08-13
Inventor: Yaoyu LV , Hongzhen XUE , Guixin YAN , Fuqiang MA , Lili CHEN , Hao ZHANG , Zhanshan MA , Shuo ZHANG
IPC: G02B30/54 , G06T17/20 , G02B30/52 , H04N13/393
Abstract: A method of simulating volumetric 3D display, includes: acquiring a display variable of a virtual display screen in a volumetric 3D display simulation space, the virtual display screen comprising a plurality of stereo pixels, the display variable comprising a voxel parameter of the plurality of stereo pixels, and the voxel parameter comprising a size in a first direction of the plurality of stereo pixels, a size in a second direction of the plurality of stereo pixels, and a size in a third direction of the plurality of stereo pixels; determining a display state parameter of a first stereo pixel of the plurality of stereo pixels for an object to be displayed according to the display variable; and simulating display of the object to be displayed according to the display state parameter. A computer-readable storage medium and a volumetric 3D display simulation apparatus are further provided.
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公开(公告)号:US20210365675A1
公开(公告)日:2021-11-25
申请号:US16473509
申请日:2018-12-04
Inventor: Guixin YAN , Hao ZHANG , Lili CHEN , Minglei CHU , Jian SUN , Jinghua MlAO , Wenhong TIAN , Ruijun DONG , Bin ZHAO , Ziqiang GUO
Abstract: A method for identifying body representation information in an image, includes: determining a skeleton-like line of a body in the image; and then performing identification of the body representation information according to the skeleton-like line. An apparatus, and a device for identifying body representation information in an image and a storage medium are also provided.
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公开(公告)号:US20210335295A1
公开(公告)日:2021-10-28
申请号:US16490784
申请日:2018-12-20
Inventor: Bin ZHAO , Lili CHEN , Hao ZHANG , Jinghua MIAO , Yukun SUN , Xuefeng WANG , Lixin WANG , Xi LI , Jianwen SUO , Ruifeng QIN , Ziqiang GUO , Guixin YAN
IPC: G09G3/36
Abstract: A display device, a virtual reality equipment, and a driving method are disclosed. The driving method is configured to drive a display device, and the display device includes a display array and a light valve array. The display array includes rows of sub-pixels, the light valve array includes a plurality of sub light valves, respective one sub light valve of the plurality of sub light valves corresponds to at least one row of sub-pixels, and the light valve array is on a light-emitting side of the display array. The driving method includes: any sub-pixel in the at least one row of sub-pixels being in a response phase of a display operation, the respective one sub light valve being in a light-shielding state, and the respective one sub light valve corresponding to the at least one row of sub-pixels.
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