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公开(公告)号：US12066642B2
公开(公告)日：2024-08-20
申请号：US17765020
申请日：2021-04-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jian Gao , Sen Ma , Xiaochuan Chen , Tao Hong , Yanliu Sun
IPC: G02B30/10 , G02B30/27 , H04N13/305 , H04N13/383 , H04N13/398
CPC classification number: G02B30/10 , G02B30/27 , H04N13/305 , H04N13/383 , H04N13/398
Abstract: A display panel includes a plurality of sets of pixel strips extending in a first direction and arranged in a second direction, each set of pixel strips includes a plurality of sub-pixel strips in different colors, spacing between every two adjacent sub-pixels in each sub-pixel strip in the first direction is smaller than or equal to 2 μm, each set of pixel strips is divided into a plurality of pixel islands arranged in an array in the first direction, each pixel island includes at least four sub-pixels extending in the first direction in each corresponding sub-pixel strip, a width of a view region formed by light emitted by each sub-pixel in each pixel island being propagated to a human eye through a corresponding lens is smaller than or equal to a pupil diameter.
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22.发明授权公开(公告)号：US11765338B2
公开(公告)日：2023-09-19
申请号：US17765453
申请日：2021-05-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jinye Zhu , Jian Gao , Junxing Yang , Tao Hong , Jing Liu , Jing Yu , Tianyang Han
IPC: H04N13/302 , H04N13/354 , G06T7/62 , G09G3/32 , G06V10/74 , G06F3/14 , G06V10/60
CPC classification number: H04N13/302 , G06F3/14 , G06T7/62 , G06V10/60 , G06V10/761 , G09G3/32 , H04N13/354
Abstract: A method, a system, a processing device and a computer storage medium for evaluating a viewpoint density are provided. The method includes: acquiring a quantity of viewpoints of a display panel; comparing a size of an image spot radius of each viewpoint and image point spacing between the viewpoint and an adjacent viewpoint, and selecting one viewpoint as a reference viewpoint, calculating a crosstalk value between another viewpoint except the reference viewpoint and the reference viewpoint; and evaluating a viewpoint density for the auto-stereoscopic display according to the comparison of the size of the image spot radius of each viewpoint and the image point spacing between the viewpoint and the adjacent viewpoint and the calculated crosstalk value between the another viewpoint and the reference viewpoint.
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公开(公告)号：US11543565B2
公开(公告)日：2023-01-03
申请号：US16634621
申请日：2018-12-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiandong Meng , Wei Wang , Tao Hong , Zhenxing Zhou , Gaolei Xue , Qiuyu Ling , Jifeng Tan , Xianqin Meng , Xiaochuan Chen
Abstract: A display panel, a display device and a display method. The display panel includes a first microlens array, a pixel island array and a second lens. The pixel island array is configured to display a plurality of sub-original images. The first microlens array is configured to converge light emitted from the plurality of sub-original images so as to obtain imaging light, and the imaging light is capable of forming a first virtual image. The second lens is on a user viewing side of the display panel relative to the first microlens array, and the second lens is configured to converge the imaging light so as to obtain a second virtual image. The first virtual image is a virtual image in which the plurality of sub-original images are stitched and enlarged, and the second virtual image is an enlarged virtual image of the first virtual image.
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公开(公告)号：US20220377311A1
公开(公告)日：2022-11-24
申请号：US17762112
申请日：2021-05-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jian Gao , Fang Cheng , Qingxun Zhang , Jinye Zhu , Tao Hong
IPC: H04N13/307 , H04N13/322
Abstract: A device for optical-field displaying includes: a display screen and a lens unit provided on a light exiting side of the display screen; the lens unit includes a plurality of lenses arranged in an array; the display screen is provided on a focal plane of the plurality of lenses; the display screen includes a first substrate and a second substrate that match; the first substrate is a light-exiting-side substrate, the second substrate includes a plurality of pixel islands arranged in an array; the plurality of pixel islands correspond to the plurality of lenses; a view region formed by light rays emitted by the sub-pixels of the pixel islands and propagated via the corresponding lenses to a human eye is smaller than or equal to a half-pupil region, and light rays of different viewpoints emitted by different sub-pixels of the pixel islands enter different cone cells via the lenses.
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25.发明授权公开(公告)号：US11460699B2
公开(公告)日：2022-10-04
申请号：US16337536
申请日：2018-09-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tao Hong
Abstract: An augmented reality device, an augmented reality system and an information prompt method thereof. The augmented reality device includes a micro display, an augmented reality element and an optical waveguide element. The micro display is configured to emit light carrying display content, the light includes a first light portion in a first polarization state and a second light portion in a second polarization state; the augmented reality element is configured to allow the first portion to convert from the first polarization state into the second polarization state, to allow the second light portion to convert from the second polarization state into the first polarization state, and to couple the first light portion in the second polarization state and the second light portion in the first polarization state to the optical waveguide element; the first polarization state is perpendicular to the second polarization state.
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Patent Agency Ranking
公开(公告)号：US11287649B2
公开(公告)日：2022-03-29
申请号：US16511411
申请日：2019-07-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tao Hong
Abstract: A display device and a display method are provided, the display device including: a light source assembly, configured to output a first light ray carried with a first image to be displayed and a second light ray carried with a second image to be displayed, alternately; a first conversion element, arranged at a light exiting side of the light source assembly, and configured to convert the first light ray carried with the first image to be displayed into a first polarization light, and to convert the second light ray carried with the second image to be displayed into a second polarization light; and a light-splitting assembly and a imaging reflecting element, the light-splitting assembly being configured to direct the converted first light ray originating from the first conversion element towards the imaging reflecting element in a first direction, and to direct the converted second light ray originating from the first conversion element towards the imaging reflecting element in a second direction different from the first direction, and the imaging reflecting element being configured to receive and reflect the first light ray propagating in the first direction and the second light ray propagating in the second direction so as to form the first image and the second image, respectively; the first image and the second image are located at different distances from the imaging reflecting element in a same direction with respect to a predetermined observation location respectively.
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公开(公告)号：US11022738B2
公开(公告)日：2021-06-01
申请号：US16043284
申请日：2018-07-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tao Hong
Abstract: A head-up display system includes a display control component, a polarization conversion member, a birefringent lens component, a scattering component, and a reflecting component; the display control component is configured to alternately output a first to-be-displayed image and a second to-be-displayed image to the polarization conversion member; the polarization conversion member is configured to convert light having different polarization states; the birefringent lens component is configured to image light of a P-polarization state and a S-polarization state; the scattering component is configured to scatter formed images onto the reflecting component, respectively; and the reflecting component is configured to reflect the images to an eye of a user.
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公开(公告)号：US20210088843A1
公开(公告)日：2021-03-25
申请号：US16814367
申请日：2020-03-10
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tao Hong
IPC: G02F1/13357 , F21V8/00 , G02F1/13363 , G02F1/1335
Abstract: The present disclosure provides a backlight device and a display apparatus. The backlight device includes: a light guide plate having a light exit face and a light entrance face, and a plurality of light extraction structures disposed on the light exit face. A light beam is totally reflected in the light guide plate, and can enter the light extraction structure through a surface of the light extraction structure that is in contact with the light exit surface of the light guide plate. The light extraction structure is configured to converge its output light beam when the backlight device is used in a dark display state, and diverge its output light beam when the backlight device is used in the grayscale display state.
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公开(公告)号：US20210026154A1
公开(公告)日：2021-01-28
申请号：US16307251
申请日：2018-02-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tao Hong
Abstract: A display system capable of switching display modes includes an optical waveguide, a display mode switching element formed on a surface of the light exit surface, and a display source system. The optical waveguide has a first and a second surfaces parallel to the first surface. The first surface includes a light incident and exit surfaces. The display mode switching element includes a microlens array formed on a surface of the light exit surface and a filled layer formed on the microlens array. The microlens array has two different refractive indices corresponding to S polarized light and P polarized light, and the filled layer has a smaller one of the two different refractive indices. The display source system is used for emitting linearly polarized light capable of switching between S polarization and P polarization towards the light incident surface to provide a display image for the display system.
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公开(公告)号：US10690924B2
公开(公告)日：2020-06-23
申请号：US16063723
申请日：2017-12-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tao Hong
Abstract: A display system and an image display method are disclosed. The display system includes an image display device, an optical waveguide element, an image acquisition device and a calibration device. The image acquisition device is provided at the display side of the image display device, and is configured to be capable of simultaneously acquiring the surrounding image and the first image acquired by, the image acquisition device; and the calibration device is configured to obtain matching information based on the surrounding image and the first image.
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