公开(公告)号：US20230251404A1

公开(公告)日：2023-08-10

申请号：US18301485

申请日：2023-04-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoquan HAI ,  Xue DONG ,  Haisheng WANG ,  Lei WANG ,  Yingzi WANG ,  Xiandong MENG

IPC: G02B5/00 ,  G02B27/09 ,  G02B27/30 ,  G02F1/1333 ,  G02F1/1335 ,  H04N23/55 ,  G06V40/13 ,  H10K59/65

CPC classification number: G02B5/005 ,  G02B27/0961 ,  G02B27/0988 ,  G02B27/30 ,  G02F1/13338 ,  G02F1/133526 ,  H04N23/55 ,  G06V40/1318 ,  H10K59/65

Abstract: A texture image acquiring device, a display device and a collimator are disclosed. The texture image acquiring device includes a collimator and an image sensor. The collimator includes a lens array and diaphragm component. The diaphragm component includes a first diaphragm layer and a second diaphragm layer. The lens array is configured to allow light rays to be converged and incident on the diaphragm component. The diaphragm component is configured to allow light rays to pass through, and to restrict an angle of light rays capable of passing through the diaphragm component. The image sensor is configured to sense light rays incident on the image sensor for acquiring a texture image.

公开(公告)号：US20220100038A1

公开(公告)日：2022-03-31

申请号：US17423008

申请日：2020-06-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiandong MENG ,  Jifeng TAN ,  Wei WANG ,  Qiuyu LING ,  Xiaochuan CHEN

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/13357

Abstract: A transparent displaying base plate and a transparent displaying device. The transparent displaying base plate includes a displaying layer (2) and a liquid-crystal grating layer (3) provided on one side of the displaying layer (2), the displaying layer (2) includes black matrixes (15) and displaying regions (A) defined by the black matrixes (15), the liquid-crystal grating layer (3) is provided with a backlight unit on one side that is further away from the displaying layer (2), and the backlight unit includes a backlight layer for exiting backlight light rays to the displaying layer (2), and at least a light focusing layer for focusing the backlight light rays directly facing the positions of the displaying regions (A) to the black matrixes (15).

公开(公告)号：US20210325729A1

公开(公告)日：2021-10-21

申请号：US16315369

申请日：2018-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng TAN ,  Wenqing ZHAO ,  Wei WANG ,  Xiaochuan CHEN ,  Xiandong MENG

IPC: G02F1/13357 ,  G02F1/1335 ,  F21V8/00

Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes: a light guide plate including a light incident surface, a light emergent surface, and a bottom surface opposite to the light emergent surface; a light source, disposed on a side of the light incident surface of the light guide plate, the light emitted by the light source enters the light guide plate from the light incident surface; a plurality of collimating parts, disposed on at least one of the light emergent surface of the light guide plate and the bottom surface opposite to the light emergent surface, wherein a portion of the light entering the light guide plate is collimated by the plurality of collimating parts and then emitted from the light emergent surface of the light guide plate.

公开(公告)号：US20210181384A1

公开(公告)日：2021-06-17

申请号：US16862888

申请日：2020-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qiuyu LING ,  Wei WANG ,  Xiandong MENG ,  Xianqin MENG ,  Meng YAN ,  Yishan TIAN ,  Yujiao GUO ,  Xiaochuan CHEN

IPC: G02B3/00 ,  G02B27/30

Abstract: A near-eye display apparatus includes a pixel island configured to emit first light, and a combined micro lens disposed at a light exit side of the pixel island. The combined micro lens includes an additional micro lens and a first micro lens. The additional micro lens is configured to diverge the first light emitted by the pixel island. The first micro lens is disposed at a side of the additional micro lens away from the pixel island, and is configured to collimate light passed through the additional micro lens. The pixel island is disposed on a focal plane of the combined micro lens.

公开(公告)号：US20210041745A1

公开(公告)日：2021-02-11

申请号：US16081804

申请日：2018-02-11

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fei WANG ,  Xiandong MENG ,  Meili WANG ,  Huijuan WANG

IPC: G02F1/13357

Abstract: A backlight includes a plurality of light sources of at least three different colors disposed on a base substrate, and a plurality of grating units that are disposed on a light exit side of the plurality of light sources and are in one-to-one correspondence with the plurality of light sources. Each of the plurality of grating units is used for splitting light emitted by a corresponding one of the plurality of light sources to form in an array of uniformly distributed monochromatic spots, so that the backlight may form an array of colored spots in which at least three different colors of light spots are alternately arranged in sequence along a first direction, wherein the first direction is a row direction or a column direction of the array of colored spots.

公开(公告)号：US20210026057A1

公开(公告)日：2021-01-28

申请号：US16641776

申请日：2019-03-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiandong MENG ,  Wei WANG ,  Xianqin MENG ,  Jifeng TAN ,  Qiuyu LING ,  Fangzhou WANG ,  Xiaochuan CHEN

IPC: F21V8/00 ,  G02F1/13357 ,  G02F1/1335

Abstract: The present disclosure relates to a display panel. The display panel includes: a light guide member, a light extraction member and a modulation member sequentially arranged along a first direction; and wherein the light extraction member is configured to extract light propagating within the light guide member in a collimated manner to one side of the light extraction member away from the light guide member, and the modulation member is configured to modulate a reflectance and transmittance of the light extracted in a collimated manner by the light extraction member within the modulation member.

公开(公告)号：US20200340861A1

公开(公告)日：2020-10-29

申请号：US16768543

申请日：2019-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin MENG ,  Wei WANG ,  Xiaochuan CHEN ,  Xiandong MENG ,  Jifeng TAN ,  Jian GAO ,  Fangzhou WANG ,  Qiuyu LING ,  Peilin LIU

IPC: G01J3/28 ,  G02B6/12 ,  G02B6/13 ,  G01J3/18 ,  G01J3/14 ,  G01J3/02

Abstract: A light splitting device includes an optical waveguide body and a dispersion grating. The optical waveguide body is configured to transmit incident light to the dispersion grating, the dispersion grating is configured to disperse the incident light transmitted by the optical waveguide body into a plurality of spectral lines, and the optical waveguide body is further configured to change propagation directions of the plurality of spectral lines and to emit the plurality of spectral lines.

公开(公告)号：US20200041841A1

公开(公告)日：2020-02-06

申请号：US16340314

申请日：2018-07-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiandong MENG ,  Wei WANG ,  Jifeng TAN ,  Xiaochuan CHEN ,  Jian GAO ,  Xianqin MENG

IPC: G02F1/1335 ,  F21V8/00 ,  G02B6/34

Abstract: A light guiding assembly and a fabricating method, a backlight module, and a display device are provided. The light guiding assembly includes a waveguide layer, and a coupling grating structure including at least two gratings, wherein at least one of the at least two gratings is located inside the waveguide layer, and orthographic projections of the at least two gratings on a surface of the waveguide layer at least partially overlap, the coupling grating structure being configured such that incident light propagates in the waveguide layer.

公开(公告)号：US20210354130A1

公开(公告)日：2021-11-18

申请号：US16618381

申请日：2019-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei WANG ,  Xianqin MENG ,  Xiandong MENG ,  Jifeng TAN ,  Pengxia LIANG ,  Jian GAO ,  Fangzhou WANG ,  Xiaochuan CHEN

IPC: B01L3/00 ,  G01N21/47 ,  G01N21/552

Abstract: The present disclosure discloses a microfluidic device, a driving method and a microfluidic detection system. The microfluidic device includes: a substrate; two first optical waveguides disposed opposite each other on the substrate with an accommodating chamber defined between the two first optical waveguides; and a plurality of optical detection structures in the accommodating chamber. The first optical waveguide has a refractive index greater than a refractive index of a medium surrounding the first optical waveguide, thereby enabling light rays incident into an end of the first optical waveguide to propagate towards another end of the first optical waveguide in a total reflection mode.

公开(公告)号：US20210223633A1

公开(公告)日：2021-07-22

申请号：US16959204

申请日：2019-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiandong MENG ,  Wei WANG ,  Jifeng TAN ,  Xianqin MENG ,  Xiaochuan CHEN

IPC: G02F1/13357 ,  G02F1/1335

Abstract: A backlight module and a display device are provided in embodiments of the present disclosure. The backlight module includes: a light source assembly configured to emit light beams of different colors, the light beams of different colors comprising a light beam of a first color and a light beam of a second color; a light guiding plate comprising: a plurality of light incident portions configured to receive the light beams of different colors, and a light emergent surface, wherein, a plurality of pixel backlight regions are provided on the light emergent surface, each pixel backlight region includes a plurality of light extraction devices, and the plurality of light extraction devices include at least one first light extraction device configured to guide the light beam of the first color of the light beams of different colors from the plurality of light incident portions to exit from the light emergent surface, and at least one second light extraction device configured to guide the light beam of the second color of the light beams of different colors from the plurality of light incident portions to exit from the light emergent surface.