公开(公告)号：US11131798B2

公开(公告)日：2021-09-28

申请号：US16497524

申请日：2019-03-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

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

Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a tight source layer, a light guiding layer and a dotted layer, a plurality of light emitting units is arranged on the light source layer; a plurality of reflective prism units is arranged on one side of the light guiding layer away from the light source layer, and positions of the plurality of reflective prism units are corresponding to the plurality of light emitting units respectively; the reflective prism unit is configured to reflect a light emitted by the light emitting unit into the light guiding layer and cause total reflection of the reflected light within the light guiding layer; and an optical structure for extracting light from the light guiding layer is provided with the dotted layer.

公开(公告)号：US11099425B2

公开(公告)日：2021-08-24

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

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：US11085821B2

公开(公告)日：2021-08-10

申请号：US16643015

申请日：2019-08-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G01J3/18 ,  G01N21/25 ,  G01N21/31 ,  G01N21/85

Abstract: A spectrometer and a spectral detection and analysis method implemented by the spectrometer. The spectrometer includes an optical device and a detection device. The optical device includes at least one light filter, each of which including at least two light filtering units, so that the optical device can emit at least two kinds of monochromatic light. The detection device includes at least one detector, each of which comprising at least two detection units facing at least two light filtering units in the corresponding light filter in a one-to-one relationship. The monochromatic light emitted from the light filtering unit is emitted along the direction perpendicular to the direction of the light emitting surface.

公开(公告)号：US10976595B2

公开(公告)日：2021-04-13

申请号：US16640952

申请日：2019-09-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G02F1/1335 ,  F21V8/00

Abstract: The present disclosure provides an optical substrate and a display device. The optical substrate includes: a light guide plate which includes a light entering surface and a light extraction surface adjacent to the light entering surface, and is configured to enable light entering the light guide plate through the light entering surface to be totally reflected toward an opposite surface of the light guide plate opposite to the light entering surface; and a plurality of light extraction structures which is arranged on the light extraction surface of the light guide plate for extracting the totally-reflected light in the light guide plate, and has areas of orthogonal projections of the plurality of light extraction structures on the light extraction surface of the light guide plate gradually increasing along a direction from the light entering surface to the opposite surface.

公开(公告)号：US10914884B2

公开(公告)日：2021-02-09

申请号：US16097503

申请日：2018-02-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: F21V8/00

Abstract: A backlight module, a manufacturing method thereof, a display device and a light guide device are provided. The backlight module includes: a light guide structure, including a volume grating layer, the volume grating layer including a plurality of volume grating portions and a light guide portion between adjacent volume grating portions, the plurality of volume grating portions being configured to introduce a beam of a specific wavelength into the light guide portion; and a light extraction structure, located on a light exit side of the light guide structure, wherein a refractive index of the light guide structure is greater than a refractive index of the light extraction structure, and an incident angle of the beam introduced into the light guide portion on a plane where the light guide portion is located is not less than a total reflection critical angle of the light guide structure.

公开(公告)号：US10816846B2

公开(公告)日：2020-10-27

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 ,  G02F1/1343 ,  F21V8/00

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：US20190086713A1

公开(公告)日：2019-03-21

申请号：US16027972

申请日：2018-07-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yafeng Yang ,  Wei Wang ,  Xiaochuan Chen ,  Xue Dong ,  Jifeng Tan ,  Xianqin Meng ,  Xiandong Meng

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/1333

Abstract: The display module includes a first substrate, a second substrate, a first electrode, a liquid crystal layer, a second electrode, and a plurality of gratings and drive electrodes, wherein the liquid crystal layer includes only positive liquid crystal molecules; both a refractive index of the first electrode and a refractive index of the first substrate are greater than a normal refractive index no of liquid crystal in the liquid crystal layer; and a refractive index of each of the plurality of gratings lies between the normal refractive index no and an abnormal refractive index ne of the liquid crystal.

公开(公告)号：US12232357B2

公开(公告)日：2025-02-18

申请号：US17639189

申请日：2020-03-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xianqin Meng ,  Xiaochuan Chen ,  Wei Wang ,  Can Wang ,  Weiting Peng ,  Sen Ma ,  Yishan Tian

IPC: H01L21/78 ,  H10K50/856 ,  H10K50/86 ,  H10K59/38

Abstract: Disclosed in the present disclosure are a display device and a display apparatus. The display device includes: a first substrate and a second substrate opposite to the first substrate, a light-emitting pixel array between the first substrate and the second substrate, a reflective plate at a backlight side of the light-emitting pixel array, and a polarization conversion structure and a polarization filtering structure which are successively arranged at a light emission side of the light-emitting pixel array; the polarization filtering structure is for filtering light emitted from the light-emitting pixel array side to the polarization filtering structure, so that target polarized light is transmitted, and non-target deflected light is reflected back; and the polarization conversion structure is for converting transmitted circularly polarized light into linearly polarized light, or converting transmitted linearly polarized light into circularly polarized light.

公开(公告)号：US12189139B2

公开(公告)日：2025-01-07

申请号：US18570138

申请日：2021-06-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qiuyu Ling ,  Wei Wang ,  Tiankuo Shi ,  Yifan Hou ,  Xianqin Meng ,  Weiting Peng ,  Xiaochuan Chen

IPC: G02B3/00 ,  G09G3/3225 ,  H10K59/80 ,  G02B27/01 ,  H10K59/35

Abstract: A near-eye display apparatus, including: a display screen including pixel island groups each including at least one pixel island which each includes pixel units; a micro-lens array disposed on a light-emitting side of the display screen, and including micro-lenses each corresponding to one pixel island, each micro-lens being configured for imaging an image displayed by the pixel island corresponding thereto; an imaging lens group disposed on a side of the micro-lens array away from the display screen and configured for collimating imaging light of the micro-lenses, the pixel island groups are configured for displaying partial images which form a complete image, and imaging field of view angles formed by outgoing light rays, of the pixel island groups adjacent to each other, passing through the micro-lenses corresponding to the pixel island groups and the imaging lens group are continuous with each other. A display method is further provided.

公开(公告)号：US11927534B2

公开(公告)日：2024-03-12

申请号：US16633358

申请日：2019-07-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G01N21/64 ,  H01L27/15 ,  H01L31/12 ,  H01L33/06 ,  H01L33/50

CPC classification number: G01N21/6456 ,  G01N21/6404 ,  H01L27/156 ,  H01L31/12 ,  H01L33/06 ,  H01L33/502 ,  H01L2933/0041

Abstract: A spectrometer and a fabrication method thereof. The spectrometer includes: a first base substrate; a second base substrate opposite to the first base substrate; a detection channel between the first base substrate and the second base substrate; a quantum dot light emitting layer on a side of the first base substrate that is close to the second base substrate, and including a plurality of quantum dot light emitting units; a black matrix on the side of the first base substrate that is close to the second base substrate, and configured to separate the plurality of quantum dot light emitting units; and a sensor layer, including a plurality of sensors, the plurality of sensors being in one-to-one correspondence with the plurality of quantum dot light emitting units.