公开(公告)号：US20220057674A1

公开(公告)日：2022-02-24

申请号：US17212832

申请日：2021-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianqin MENG ,  Weiting PENG ,  Yishan TIAN ,  Qiuyu LING ,  Yujiao GUO ,  Wei WANG ,  Fei WANG ,  Xiaochuan CHEN

IPC: G02F1/13357 ,  G02F1/1335

Abstract: The present disclosure relates to an LED backlight structure having a backlight side and a light outgoing side opposite to each other, including: an LED array on a transparent substrate; a transparent encapsulation layer on a side of the transparent substrate with the LED array, and configured to encapsulate the LED array; wherein the LED array is configured to emit light, the LED backlight structure further includes: a reflection layer on a backlight side of the transparent substrate and configured to reflect light to the light outgoing side; and a first microstructure layer on the light outgoing side of the transparent substrate and the LED array, wherein the first microstructure layer is configured to scatter light incident on a surface of the first microstructure layer, so that a part of light passes through the first microstructure layer, and the rest of light is reflected by the first microstructure 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.

公开(公告)号：US20210191023A1

公开(公告)日：2021-06-24

申请号：US16757843

申请日：2018-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng TAN ,  Wei Wang ,  Xiandong MENG ,  Xianqin MENG

IPC: F21V8/00 ,  G02B6/10

Abstract: A light source module and an electronic device. The light source module includes an optical waveguide structure, a first light source, and a pre-collimating optical element. The optical waveguide structure includes a light introduction part and a main body part, the light introduction part includes a light incident surface, and the main body part includes a light emitting surface. The first light source is configured to provide first light; and the pre-collimating optical element is configured to collimate at least a portion of the first light to be first collimated light. The light introduction part is configured to introduce at least a portion of the first collimated light, which is incident from the light incident surface, into the main body part at a first angle with respect to the light emitting surface to satisfy a total reflection condition of the main body part.

公开(公告)号：US20210173137A1

公开(公告)日：2021-06-10

申请号：US17264027

申请日：2020-05-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiandong MENG ,  Jifeng TAN ,  Shuilang DONG ,  Wei WANG ,  Wenqu LIU ,  Wenqing ZHAO ,  Qiuyu LING ,  Xianqin MENG ,  Yishan TIAN ,  Zhao KANG

IPC: F21V8/00 ,  G02F1/1362

Abstract: A display panel and a manufacturing method thereof, and a display device. The display panel includes a light guide plate, an array substrate, a liquid crystal layer between the light guide plate and the array substrate, a plurality of light-extracting gratings located on one side of a light exit surface of the light guide plate, and a transparent protection layer between a film layer where the light-extracting gratings are located and the light guide plate. The light guide plate includes a plurality of light-extracting port areas, and transparent areas besides the light-extracting port areas; each light-extracting port area is provided with one light-extracting grating; the protection layer is at least provided on the transparent areas, and the protection layer is configured to prevent the light guide plate in the transparent areas from being excessively etched to form a plurality of depressions.

公开(公告)号：US20210072593A1

公开(公告)日：2021-03-11

申请号：US16643328

申请日：2019-08-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G02F1/13357 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1335

Abstract: The present disclosure provides a collimation backlight source, a display device and a driving method thereof. The collimation backlight source includes a light guide plate, a plurality of light sources of different colors, and a light-extraction grating assembly in each light-extraction region on the surface of the light guide plate.

公开(公告)号：US20210072429A1

公开(公告)日：2021-03-11

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

IPC: G02B3/00 ,  G02B5/30 ,  G02B27/01 ,  G02B27/28

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.

公开(公告)号：US20200379163A1

公开(公告)日：2020-12-03

申请号：US16607227

申请日：2019-05-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: F21V8/00 ,  G02B27/28 ,  G02F1/1335

Abstract: The present disclosure relates to a display panel and a display device. The display panel includes: a beam splitting member disposed between a light extracting member and a liquid crystal layer, for splitting the light extracted from the light extracting member into linearly polarized lights with polarization directions perpendicular to each other; and a modulating member disposed on a side of the beam splitting member away from the light extracting member, for modulating the linearly polarized light that is incident from the beam splitting member into the liquid crystal layer.

公开(公告)号：US20200278576A1

公开(公告)日：2020-09-03

申请号：US16645515

申请日：2019-08-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G02F1/1335 ,  G02F1/13357 ,  G02F1/1343 ,  F21V8/00

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a base substrate and light-shielding strips. The base substrate includes light-shielding regions and light-transmitting regions. The display panel further includes a backlight module including a light guide plate and light extraction gratings. The display panel further includes a first electrode layer, a second electrode layer, and a liquid crystal layer. The first and second electrode layers are configured to, in response to a control signal, control the liquid crystal layer to forms a plurality of liquid crystal grating periods. The liquid crystal within each of the plurality of liquid crystal grating periods includes a plurality of segments with different refractive indices, and the refractive indices of the plurality of segments progressively increase in a direction perpendicular to an extending direction of the first electrodes in the first electrode layer.

公开(公告)号：US20200070158A1

公开(公告)日：2020-03-05

申请号：US16457098

申请日：2019-06-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: B01L3/00 ,  G01N21/59

Abstract: The present disclosure provides a light source assembly including a light source and a bull's eye collimation structure disposed on a light exiting side of the light source and configured to collimate light beam emitted by the light source. The bull's eye collimation structure includes a metal layer including a sub-wavelength aperture and a plurality of annular recesses surrounding the sub-wavelength aperture, the plurality of annular recesses being arranged along a radial direction of the sub-wavelength aperture.