公开(公告)号：US20210165270A1

公开(公告)日：2021-06-03

申请号：US15778280

申请日：2017-09-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin MENG ,  Yafeng YANG ,  Jing LV ,  Xiaochuan CHEN ,  Wei WANG ,  Jifeng TAN ,  Xiandong MENG ,  Yunyun TIAN ,  Jian GAO

IPC: G02F1/1335

Abstract: In the disclosure there is provided a reflective photonic crystal color film, a display device using the same and a fabricating method therefor. The reflective photonic crystal color film includes a substrate and a two-dimensional photonic crystal structure formed on and periodically distributed over a surface of the substrate, wherein the two-dimensional photonic crystal structure comprises material containing silicon.

公开(公告)号：US20210063737A1

公开(公告)日：2021-03-04

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.

公开(公告)号：US20200348461A1

公开(公告)日：2020-11-05

申请号：US16765152

申请日：2019-10-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

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

Abstract: An optical substrate and a display device are provided. The optical substrate includes a light guide plate and a plurality of light selection units, wherein, the light guide plate includes a light-incident surface and a light-exiting surface, and the light-exiting surface includes a plurality of light-exiting regions; each light selection unit is configured to select light incident from the light-incident surface and propagating in the light guide plate, such that monochromatic light of different colors are emitted from multiple light-exiting regions corresponding to the each light selection unit, and each of the multiple light-exiting regions emits monochromatic light of a single color.

公开(公告)号：US20200279531A1

公开(公告)日：2020-09-03

申请号：US16547820

申请日：2019-08-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming YANG ,  Minghua XUAN ,  Can ZHANG ,  Xiandong MENG ,  Xiaochuan CHEN ,  Wenqing ZHAO

IPC: G09G3/3258 ,  H01L27/32 ,  G09G3/3266

Abstract: A display panel and a display device are provided. The display panel includes a plurality of pixel regions, each pixel region including a pixel island and a transparent region located on a periphery of the pixel island. The pixel island includes K active display area, a distance between adjacent ones of the K active display area in the pixel island is less than a distance between pixel islands of adjacent ones of the plurality of pixel regions. Each of the plurality of pixel regions includes K sub-regions with approximately equal areas, K pixel driving circuits are respectively disposed in the K sub-regions, the K pixel driving circuits are configured to respectively drive the K active display areas, and the K is an integer greater than or equal to 2.

公开(公告)号：US20200232910A1

公开(公告)日：2020-07-23

申请号：US16632668

申请日：2019-01-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin MENG ,  Wei WANG ,  Xiaochuan CHEN ,  Xiandong MENG ,  Fangzhou WANG ,  Qiuyu LING ,  Yishan TIAN ,  Peilin LIU

IPC: G01N21/25 ,  B01L3/00 ,  G01N21/27 ,  G02F1/1335

Abstract: A fluid detection panel and a fluid detection device are disclosed. The fluid detection panel includes a fluid-driven substrate, a filter structure and a sensor. The filter structure is configured to filter light emitted by a light source; the fluid-driven substrate comprises a detection area, and is configured to enable a liquid sample to move to the detection area; the sensor is configured to receive light which is emitted by the light source and sequentially passes the filter structure and the detection area.

公开(公告)号：US20200088578A1

公开(公告)日：2020-03-19

申请号：US16448621

申请日：2019-06-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G01J3/18 ,  G02B27/10 ,  G01J3/02

Abstract: A light modulating device includes a dispersion assembly and a lens assembly, the dispersion assembly is configured to disperse light emitting from a light source into dispersed light which at least includes collimated monochromatic light and non-collimated monochromatic light; the lens assembly includes: at least a first lens component; at least a second lens component disposed in a one-to-one correspondence with the first lens component; a first absorbing layer disposed between the first lens component and the second lens component, the first absorbing layer has an opening, a focus point of the first lens component towards the first absorbing layer coincides with a focus point of the second lens component towards the first absorbing layer, the opening is disposed at the coincident focus point of the first lens component and the second lens component.

公开(公告)号：US20190086599A1

公开(公告)日：2019-03-21

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: F21V8/00 ,  G09G3/22

CPC classification number: G02B6/003 ,  G02B6/0016 ,  G09G3/22 ,  H05B33/0803

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：US20180364505A1

公开(公告)日：2018-12-20

申请号：US15737007

申请日：2017-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng TAN ,  Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Jian GAO ,  Can WANG ,  Can ZHANG ,  Xinli MA ,  Xiandong MENG ,  Xianqin MENG ,  Dacheng ZHANG

IPC: G02F1/13 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/13363

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, and a liquid crystal layer, a first electrode, as second electrode, a waveguide layer and a grating layer between the first and second substrates; wherein the waveguide layer is on a side of the liquid crystal layer proximal to the first substrate; and the grating layer is in contact with the liquid crystal layer; 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 layer and the refractive index of the liquid crystal layer.

公开(公告)号：US20210382351A1

公开(公告)日：2021-12-09

申请号：US16962853

申请日：2020-02-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Fangzhou WANG ,  Pengxia LIANG ,  Wei WANG ,  Xiaochuan CHEN ,  Xianqin MENG ,  Xiandong MENG ,  Qiuyu LING

IPC: G02F1/1335 ,  G02F1/133

Abstract: Provided are a display panel, a display apparatus, a driving method of the display panel, and a computer readable storage medium. The display panel includes: a first substrate and a second substrate being arranged in box alignment, point light sources in an array arrangement being arranged on a side of the first substrate away from the second substrate, optical coupling devices corresponding to the point light sources one by one being arranged on a side of the first substrate close to the second substrate, a grating layer being arranged on a side of the optical coupling devices away from the first substrate, a liquid crystal layer being arranged between the first substrate and the second substrate; and the optical coupling devices being arranged to reflect lights emitted by the corresponding point light sources, penetrating the first substrate, and reaching the optical coupling devices, into the first substrate.

公开(公告)号：US20210337182A1

公开(公告)日：2021-10-28

申请号：US16484976

申请日：2019-03-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H04N13/337 ,  H04N13/351 ,  G02B27/30 ,  G02B27/44

Abstract: A three-dimensional display apparatus providing a plurality of view points at a view zone includes a directional display structure including a plurality of first sub-pixels configured to display a plurality of first sub-images, and a plurality of second sub-pixels configured to display a plurality of second sub-images; a plurality of grating structures including a plurality of first grating structures configured to perform diffraction of light such that the first sub-images are directionally transmitted, and a plurality of second grating structures configured to perform diffraction of light such that the second sub-images are directionally transmitted; a reflector between the directional display structure and the view zone reflecting the first sub-images being directionally transmitted to a first view point and the second sub-images being directionally transmitted to a second view point, thereby displaying a three-dimensional image. The first and second view points can be different but within a same view zone.