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公开(公告)号：US20190302515A1
公开(公告)日：2019-10-03
申请号：US16201103
申请日：2018-11-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jifeng TAN , Wei WANG , Xiandong MENG , Xianqin MENG , Jian GAO , Xiaochuan CHEN
IPC: G02F1/1335 , F21V8/00 , G02F1/1343 , G02F1/137 , G02F1/1337
Abstract: A display device and a display method are provided. The display device includes: a first substrate; a light guide plate opposite to the first substrate; a grating layer including gratings, on the light guide plate and at a side of the light guide plate facing towards the first substrate, wherein each grating corresponds to one pixel; and a light source at a lateral surface of the light guide plate parallel to a light emergent direction of the display device, wherein the light source includes monochromatic light emitting components and an optical component, lights of different colors emitted by the monochromatic light emitting components are incident into, via the optical component, the light guide plate at different incident angles and are emergent from the gratings, and the incident angles are greater than a total reflection angle of the light guide plate.
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公开(公告)号：US20190237005A1
公开(公告)日：2019-08-01
申请号：US16145357
申请日：2018-09-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengxia LIANG , Wei WANG , Xiaochuan CHEN , Jifeng TAN , Xiandong MENG , Jian GAO , Xianqin MENG , Jing YU
CPC classification number: G09G3/30 , G09G3/2003 , G09G2310/0264 , H04N9/312
Abstract: The present disclosure provides a display panel, a display device and a display method. The display panel includes a substrate and several pixel units formed on the substrate. The pixel unit includes a monochromatic electroluminescent component, which is disposed on the substrate; a rotating mechanism, which includes a bracket and a diaphragm set disposed on the bracket, the diaphragm set comprising diaphragms with at least two different colors; and a micro-electromechanical controller, which is connected to the bracket to control rotation of the bracket, so as to control an orthographic projection of the diaphragm on the substrate to at least partially overlap with an orthographic projection of the monochromatic electroluminescent component on the substrate, such that a light emitted by the monochromatic electroluminescent component permeates through the diaphragms of different colors, and emits a light corresponding to the colors of the diaphragms.
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公开(公告)号：US20190094447A1
公开(公告)日：2019-03-28
申请号：US15992890
申请日：2018-05-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jifeng TAN , Wei WANG , Xiandong MENG , Jian GAO , Wenqing ZHAO , Xiaochuan CHEN
IPC: F21V8/00 , G02F1/1335
Abstract: The present disclosure provides a backlight module and a liquid crystal display using the same. The backlight module includes a light guide plate, a light source and a plurality of light extraction gratings. The light source is disposed at an end of the light guide plate. A plurality of light extraction gratings are disposed on a light emission surface of the light guide plate, and are arranged in an array. The plurality of light extraction gratings are divided into a plurality of regions arranged at equal intervals in a direction from the end of the light guide plate near the light source to another end of the light guide plate away from the of the light source, a gap between adjacent columns of two adjacent regions is a+b, where a is a gap between adjacent columns in the same region and b is a width of one light extraction grating.
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公开(公告)号：US20190080138A1
公开(公告)日：2019-03-14
申请号：US16124908
申请日：2018-09-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jian GAO , Xiaochuan CHEN , Wei WANG , Wenqing ZHAO , Haisheng WANG , Yingming LIU , Rui XU , Xiandong MENG , Jifeng TAN , Pengxia LIANG
Abstract: A display panel and a display device are disclosed. The display panel includes a display-side substrate, and a display array layer, a lens layer and an image array layer, which are sequentially provided at a side of the display-side substrate. The display array layer includes a plurality of display pixels arranged in an array; and the image array layer includes a plurality of image pixels arranged in an array, and is configured to form an image with light being reflected from a display side and passing through the lens layer.
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公开(公告)号：US20230138214A1
公开(公告)日：2023-05-04
申请号：US16963332
申请日：2019-09-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiandong MENG , Jifeng TAN , Wei WANG , Xianqin MENG , Jian GAO , Xiaochuan CHEN
IPC: G02F1/1335 , G02F1/1343 , F21V8/00 , G02F1/133
Abstract: Embodiments of the present disclosure provide a display panel, a driving method thereof and a display device. The display panel includes: a light guide plate, configured to propagate light incident at a set angle by total reflection; an opposite substrate, arranged opposite to the light guide plate; a liquid crystal layer, arranged between the light guide plate and the opposite substrate; and a plurality of light extraction structures. Each light extraction structure includes: a light taking grating arranged on a surface of the light guide plate, a first wire grid structure arranged between the light guide plate and the liquid crystal layer, a second wire grid structure arranged between the liquid crystal layer and the opposite substrate, and a first electrode structure and a second electrode structure arranged between the light guide plate and the opposite substrate. A direction of a light transmitting axis of the first wire grid structure is vertical to a direction of a light transmitting axis of the second wire grid structure. The first electrode structure is of a blocky structure. The second electrode structure includes a plurality of strip-shaped sub-electrodes which are parallel to each other; and an included angle between an extension direction of the sub-electrode and the direction of the light transmitting axis of the first wire grid structure ranges from 10° to 80°.
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Patent Agency Ranking
公开(公告)号：US20220334429A1
公开(公告)日：2022-10-20
申请号：US16964106
申请日：2019-09-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wenqu LIU , Qi YAO , Feng ZHANG , Zhijun LV , Liwen DONG , Xiaoxin SONG , Zhao CUI , Detian MENG , Libo WANG , Jifeng TAN , Xiandong MENG
IPC: G02F1/1335 , G02F1/1343 , G02F1/1333 , G02F1/137 , G02F1/1337 , F21V8/00
Abstract: The embodiments of the present disclosure provide a display panel. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, and a liquid crystal layer between the first substrate and the second substrate, a plurality of first electrodes disposed on a side, close to the second substrate, of the first substrate and spaced apart at intervals, a first dielectric layer for planarizing the plurality of first electrodes, a second dielectric layer disposed on a side, close to the liquid crystal layer, of the first dielectric layer, a light shielding portion disposed on the side, close to the liquid crystal layer, of the second substrate, and a control circuit configured to apply a voltage between the first electrode and the second electrode so that the liquid crystal layer is in a first state or a second state.
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公开(公告)号：US20210409581A1
公开(公告)日：2021-12-30
申请号：US16767254
申请日：2019-08-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoquan HAI , Xue DONG , Haisheng WANG , Lei WANG , Yingzi WANG , Xiandong MENG
IPC: H04N5/225 , G02B27/30 , G02B27/09 , H01L27/32 , G02F1/1333 , G02F1/1335
Abstract: A texture image acquiring device, a display device and a collimator are disclosed. The texture image acquiring device (10) includes a collimator (110) and an image sensor (120). The collimator (110) includes a lens array (111), a first diaphragm layer (112), and a second diaphragm layer (113). The lens array (111) is configured to allow light rays to be converged and incident on the first diaphragm layer (112). The first diaphragm layer (112) is configured to allow light rays incident on the first diaphragm layer (112) to pass through and be incident on the second diaphragm layer (113), and to restrict an angle of light rays capable of passing through the first diaphragm layer (112). The second diaphragm layer (113) is configured to allow light rays incident on the second diaphragm layer (113) to pass through, and to restrict an angle of light rays capable of passing through the second diaphragm layer (113). The image sensor (120) is configured to sense light rays incident on the image sensor (120) for acquiring a texture image. The texture image acquiring device (10) has a light and thin structure, and can improve the accuracy of the acquired texture image.
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公开(公告)号：US20210364812A1
公开(公告)日：2021-11-25
申请号：US16765097
申请日：2019-10-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiandong MENG , Xianqin MENG , Wei WANG , Jifeng TAN , Qiuyu LING , Fangzhou WANG , Jian GAO , Xiaochuan CHEN
Abstract: The light extraction device, the detection equipment and the operation method thereof are provided. The light extraction device includes at least one light splitting unit, each of the at least one light splitting unit includes a color separation grating, configured to separate light incident on the color separation grating into a plurality of light beams that are collimated and propagated in different directions and have different colors; a first lens, disposed corresponding to the color separation grating and configured to converge the plurality of light beams; and a first pinhole, located on a side of the first lens away from the color separation grating and correspondingly arranged with the first lens. The first lens is configured to converge a light beam having a preset color in the plurality of light beams to the first pinhole and allow the light beam having the preset color to exit.
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公开(公告)号：US20210364799A1
公开(公告)日：2021-11-25
申请号：US16957361
申请日：2020-02-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yujiao GUO , Wei WANG , Gaolei XUE , Xianqin MENG , Xiandong MENG , Pengxia LIANG , Fangzhou WANG , Qiuyu LING , Meng YAN , Peilin LIU , Yishan TIAN , Xiaochuan CHEN
Abstract: An augmented reality display device and a pair of augmented reality glasses are provided. The augmented reality display device includes a substrate, an imaging element and a first optical element. The substrate includes a first side and a second side opposite to each other. The imaging element is configured to display a primary virtual image formed by virtual image light. The first optical element is configured to receive the virtual image light, orient the virtual image light to magnify the primary virtual image into a secondary virtual image, and make the virtual image light exit from the first optical element in a direction from the second side to the first side.
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公开(公告)号：US20210334508A1
公开(公告)日：2021-10-28
申请号：US16494938
申请日：2019-04-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiandong MENG , Wei WANG , Xiaochuan CHEN , Haisheng WANG , Pinchao GU , Jian GAO
Abstract: A fingerprint recognition device, a recognition device and a display device are provided to include: a light guiding layer and a plurality of recognizer units, on a side of a light transmission substrate. Each recognizer unit includes: a first optical grating which is between the light guiding layer and the light transmission substrate and is configured to diffractively couple a fingerprint light ray having an incident angle within a preset angle range to the light guiding layer; a second optical grating on a side of the light guiding layer; and a detector module on a side of the second optical grating away from the light guiding layer. The second optical grating is configured to extract the fingerprint light ray in the light guiding layer to the detector module, and the detector module is configured to detect a light intensity of the fingerprint light ray.
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