公开(公告)号：US20200050053A1

公开(公告)日：2020-02-13

申请号：US16412811

申请日：2019-05-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fangzhou Wang ,  Xiaochuan Chen ,  Wei Wang ,  Jifeng Tan ,  Jian Gao ,  Xianqin Meng ,  Xiandong Meng ,  Pengxia Liang

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1343

Abstract: The present disclosure provides a display device, a display panel, a color filter substrate, and a color filter, and relates to the field of display technology. The color filter of the present disclosure includes a grating layer and a photo-luminescent layer. The grating layer is configured to generate a surface plasmon effect under the action of incident light. The photo-luminescent layer is disposed on the light exiting surface of the grating layer.

公开(公告)号：US20200033514A1

公开(公告)日：2020-01-30

申请号：US16483910

申请日：2019-02-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin Meng ,  Wei Wang ,  Jifeng Tan ,  Xiandong Meng ,  Xiaochuan Chen ,  Jian Gao ,  Fangzhou Wang ,  Qiuyu Ling

IPC: G02B5/18 ,  G01J3/18 ,  G01J3/28

Abstract: The present disclosure relates to a dispersion apparatus. The dispersion apparatus may include an optical substrate; a grating layer on a first side of the optical substrate; and a light outlet layer on a second side of the optical substrate, the second side opposite the first side of the optical substrate. The grating layer is configured to perform dispersion of incident light into first-order diffracted beams having target wavelengths and transmit the first-order diffracted beams into the optical substrate, and wherein a diffraction angle of each of the first-order diffracted beams having the target wavelengths is smaller than a total reflection angle between the optical substrate and air. The light outlet layer is configured to extract the first-order diffracted beams having the target wavelengths in the optical substrate.

公开(公告)号：US10444558B2

公开(公告)日：2019-10-15

申请号：US15750035

申请日：2017-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng Tan ,  Wei Wang ,  Yafeng Yang ,  Xiaochuan Chen ,  Jian Gao ,  Xinli Ma ,  Can Wang ,  Can Zhang ,  Xiandong Meng ,  Xianqin Meng ,  Dacheng Zhang

IPC: G02F1/1335 ,  G02F1/1343 ,  F21V8/00

Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, a liquid crystal layer, a first electrode, and a second electrode between the first substrate and the second substrate, a waveguide layer between the first substrate and the liquid crystal layer, and a plurality of grating units which are combined with the liquid crystal layer and disposed in a same layer as the liquid crystal layer; wherein the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating units and the refractive index of the liquid crystal layer.

公开(公告)号：US10359556B2

公开(公告)日：2019-07-23

申请号：US15916307

申请日：2018-03-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiandong Meng ,  Wei Wang ,  Xiaochuan Chen ,  Jian Gao ,  Jifeng Tan ,  Xianqin Meng

IPC: G02B6/00 ,  F21V8/00 ,  G09G3/22 ,  H05B33/08

Abstract: A backlight module includes: a light guide plate; a light source for emitting light rays towards a first region of the light guide plate; a first grating provided at the first region and configured to adjust propagation directions of the light rays such that the adjusted light rays travel towards a second region of the light guide plate, and the propagation directions make an included angle with a normal to the light guide plate which is greater than the critical angle of total reflection of the light guide plate; and a second grating provided at the second region and configured to collimate the adjusted light rays such that the collimated light rays travel in a direction perpendicular to the light guide plate.

公开(公告)号：US20190033507A1

公开(公告)日：2019-01-31

申请号：US15752629

申请日：2017-08-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Wang ,  Yafeng Yang ,  Xiaochuan Chen ,  Xianqin Meng

IPC: F21V8/00 ,  G02F1/1343

Abstract: The disclosure provides a display device including an upper substrate (001) and a lower substrate (002) arranged opposite to each other, a liquid crystal layer (003), a wave guiding layer (004), electrode structures (005), and a collimated light source (006). The liquid crystal layer (003) is arranged between the upper substrate (001) and the lower substrate (002); the wave guiding layer (004) is arranged on a side of the lower substrate (002) facing the upper substrate (001), and a refractive index of the wave guiding layer (004) is at least greater than a refractive index of a film layer in contact with the wave guiding layer (004); the plurality of electrode structures (005) are arranged on a side of the upper substrate (001) facing the lower substrate (002), and the plurality of electrode structures (005) are arrayed in correspondence to sub-pixels in a one-to-one manner; and the collimated light source (006) is at least arranged on one side of the wave guiding layer (004). The display device can control a display grayscale.

公开(公告)号：US20250164843A1

公开(公告)日：2025-05-22

申请号：US19027233

申请日：2025-01-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen Zhang ,  Fuqiang Li ,  Zhenyu Zhang ,  Yunping Di ,  Lizhong Wang ,  Zheng Fang ,  Jiahui Han ,  Yawei Wang ,  Chenyang Zhang ,  Chengfu Xu ,  Ce Ning ,  Pengxia Liang ,  Feihu Zhou ,  Xianqin Meng ,  Weiting Peng ,  Qiuli Wang ,  Binbin Tong ,  Rui Huang ,  Tianmin Zhou ,  Wei Yang

IPC: G02F1/1368 ,  G02F1/1362 ,  H10D86/01 ,  H10D86/40 ,  H10D86/60

Abstract: A displaying base plate and a displaying device are provided by the present application, wherein the displaying base plate includes a substrate, and a first electrode layer disposed on one side of the substrate, wherein the first electrode layer includes a first electrode pattern; a first planarization layer disposed on one side of the first electrode layer that is away from the substrate, wherein the first planarization layer is provided with a through hole, and the through hole penetrates the first planarization layer, to expose the first electrode pattern; and a second electrode layer, a second planarization layer and a third electrode layer that are disposed in stack on one side of the first planarization layer that is away from the substrate.

公开(公告)号：US12007664B2

公开(公告)日：2024-06-11

申请号：US17435011

申请日：2020-12-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yujiao Guo ,  Wei Wang ,  Xianqin Meng ,  Qiuyu Ling ,  Meng Yan ,  Yishan Tian ,  Gaolei Xue ,  Weiting Peng ,  Xiaochuan Chen

IPC: G02F1/29 ,  G02B27/01

CPC classification number: G02F1/294 ,  G02B27/0172 ,  G02B2027/0178

Abstract: A transparent display panel has a plurality of sub-pixel regions, which are divided into at least two display unit groups. The transparent display panel includes a first substrate and a second substrate assembled with each other, and a light exit control layer disposed therebetween. The first substrate includes a first base and a dimming component disposed on a side of the first base. The dimming component includes a plurality of dimming lenses. Each dimming lens is configured to transmit exit light of one sub-pixel region to human eyes and focus the exit light on a corresponding focal plane. The plurality of dimming lenses are configured to focus exit light of the at least two display unit groups on different focal planes. The focal planes are located at a side of the transparent display panel away from the human eyes.

公开(公告)号：US11901496B2

公开(公告)日：2024-02-13

申请号：US17471184

申请日：2021-09-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qiuyu Ling ,  Xianqin Meng ,  Wei Wang ,  Weiting Peng ,  Yujiao Guo ,  Yishan Tian ,  Xiaochuan Chen

IPC: H01L33/58 ,  H01L27/15

CPC classification number: H01L33/58 ,  H01L27/156

Abstract: A light-emitting module, a display module and a display device are provided. The light-emitting module includes multiple light-emitting elements, a micro lens array disposed on a light-emitting side of the multiple light-emitting elements, and a low-refractive material layer disposed on a side of the micro lens array away from the multiple light-emitting elements, wherein a refractive index of the low-refractive material layer is smaller than a refractive index of the micro lens array; light emitted by the light-emitting element may be processed by the micro lens array and the low-refractive material layer to form a dot matrix light source which irradiates multiple preset opening regions which are disposed at intervals.

公开(公告)号：US11740535B2

公开(公告)日：2023-08-29

申请号：US16484223

申请日：2019-01-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Xianqin Meng

IPC: G02F1/29 ,  F21V8/00 ,  G02B27/01 ,  G02B27/28

CPC classification number: G02F1/294 ,  G02B6/0016 ,  G02B6/0038 ,  G02B27/0101 ,  G02B27/285 ,  G02F2201/305

Abstract: The present disclosure relates to a multifocal lens. The multifocal lens may include N liquid crystal panels in a stacked manner. The N liquid crystal panels may include an n-th liquid crystal panel, and the n-th liquid crystal panel may include an n-th converging element having an n-th focal length. N is a positive integer greater than or equal to 2, n is a positive integer, and 1≤n≤N. The n-th liquid crystal panel may be configured to be switchable between a converging state and a non-converging state. The N liquid crystal panels may be configured to make the multifocal lens to have switchable CN1+CN2+CN3+ . . . +CNN focal lengths, and the CN1+CN2+CN3+ . . . +CNN focal lengths are all different from one another.

公开(公告)号：US11630300B2

公开(公告)日：2023-04-18

申请号：US16919693

申请日：2020-07-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qiuyu Ling ,  Wei Wang ,  Xiandong Meng ,  Pengxia Liang ,  Xianqin Meng ,  Gaolei Xue ,  Fangzhou Wang ,  Meng Yan ,  Peilin Liu ,  Yujiao Guo ,  Yishan Tian ,  Xiaochuan Chen

IPC: G02B27/01 ,  G02B27/00 ,  G02B27/12

Abstract: Provided is a near-eye display device including: a base substrate including first and second surfaces opposite to each other, an optical element array on the first surface, and a pixel island array and a sensor array that are on the second surface and are coupled to each other. The pixel island array emits first pixel light to the optical element array, such that the first pixel light passes through the optical element array and then reaches a human eye. The sensor array receives light of the first pixel light reflected by the human eye, determines a position of a pupil center of the human eye according to an intensity distribution of the reflected light, determines pixels corresponding to the position of the pupil center in the pixel island array, and controls the pixels to emit second pixel light.