公开(公告)号：US11640020B2

公开(公告)日：2023-05-02

申请号：US16765583

申请日：2019-04-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Wang ,  Xiaochuan Chen ,  Jiayao Liu ,  Qiuyu Ling ,  Xianqin Meng ,  Xiandong Meng ,  Pengxia Liang ,  Fangzhou Wang ,  Peilin Liu

IPC: G02B5/18 ,  G02B27/42

Abstract: A display device is disclosed, and the display device includes a display layer and a lens layer; the lens layer is provided on a light emergent side of the display layer, and includes at least one grating compound lens unit; the display layer includes at least one display pixel set, and the display pixel set is configured to emit light for imaging toward the grating compound lens unit during display; the grating compound lens unit is configured to optically image the display pixel set; and the grating compound lens unit is further configured to deflect the light for imaging, to make an image-space central visual field direction of the grating compound lens unit intersect with an extension direction of an optical axis of the grating compound lens unit, so that the display device has one or more viewpoints.

公开(公告)号：US11536606B2

公开(公告)日：2022-12-27

申请号：US16631722

申请日：2019-07-23

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G01J3/02 ,  B01L3/00 ,  G01J3/18 ,  G02B6/10 ,  G01J3/12

Abstract: An optical device and a spectral detection apparatus are provided. The optical device includes an optical waveguide, including: a polychromatic light channel configured to transport a polychromatic light beam, and provided with a light incident surface for receiving the incident polychromatic light beam at an input end of the polychromatic light channel; a chromatic dispersion device arranged downstream from the polychromatic light channel in an optical path and configured to separate the polychromatic light beam from the polychromatic light channel into a plurality of monochromatic light beams; and a plurality of monochromatic light channels arranged downstream from the chromatic dispersion device in the optical path and configured to respectively conduct the plurality of monochromatic light beams with different colors from the chromatic dispersion device. Monochromatic light output surfaces are respectively provided at output ends of the plurality of monochromatic light channels and configured to output the monochromatic light beams.

公开(公告)号：US11256012B2

公开(公告)日：2022-02-22

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 ,  G01J3/28 ,  G01J3/18

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：US11221517B2

公开(公告)日：2022-01-11

申请号：US16336982

申请日：2018-03-07

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G02F1/13357 ,  G02F1/1335

Abstract: The present application discloses a liquid crystal display apparatus and a fabricating method thereof, a back light and a fabricating method thereof. The liquid crystal display apparatus includes a base substrate; a liquid crystal layer; and an anisotropic grating on a side of the liquid crystal layer distal to the base substrate. The anisotropic grating includes a plurality of barriers and a plurality of slits arranged alternately. The anisotropic grating is configured to separate incident light into light of a first color, light of a second color, and light of a third color, and configured to emit the light of the first color, the light of the second color, and the light of the third color at different exit angles, respectively.

公开(公告)号：US11213822B2

公开(公告)日：2022-01-04

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.

公开(公告)号：US11348904B2

公开(公告)日：2022-05-31

申请号：US16631826

申请日：2019-06-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L25/075 ,  H01L33/58 ,  H01L33/60

Abstract: A display panel is disclosed, the display array including: a substrate; a functional layer on the substrate having a plurality of recesses, at least one of the recesses in a sub-pixel region forming a well structure with a sidewall formed of the functional layer and a bottom formed of the substrate; and a plurality of micro light emitting diodes (Micro LEDs) for emitting light, at least one of the Micro LEDs within a corresponding recess; wherein the functional layer is configured to prevent at least part of the light emitted by one of the Micro LEDs and incident on the sidewall of the corresponding recess from being subsequently emitted through an adjacent sub-pixel region.

公开(公告)号：US20210354128A1

公开(公告)日：2021-11-18

申请号：US16612937

申请日：2019-06-24

Applicant: BOE Technology Group Co., Ltd.

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

IPC: B01L3/00 ,  F21V8/00 ,  G01N21/31 ,  G01N21/25

Abstract: A microfluidic apparatus is provided. The microfluidic apparatus includes a base substrate; a microfluidic device on the base substrate and including a plurality of micro fluidic channels; a plurality of light sources of different colors respectively emitting light of different wavelength ranges; a light extraction apparatus for extracting light respectively from the plurality of light sources of different colors and a plurality of photosensors. The light extraction apparatus includes a light guide plate having a plurality of light incident portions for respectively receiving light respectively incident from the plurality of light sources of different colors, the plurality of light incident portions being on a side of the light guide plate away from the microfluidic device; and a plurality of light extractors on the light guide plate.

公开(公告)号：US20210341790A1

公开(公告)日：2021-11-04

申请号：US16336982

申请日：2018-03-07

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G02F1/13357 ,  G02F1/1335

Abstract: The present application discloses a liquid crystal display apparatus and a fabricating method thereof, a back light and a fabricating method thereof. The liquid crystal display apparatus includes a base substrate; a liquid crystal layer; and an anisotropic grating on a side of the liquid crystal layer distal to the base substrate. The anisotropic grating includes a plurality of barriers and a plurality of slits arranged alternately. The anisotropic grating is configured to separate incident light into light of a first color, light of a second color, and light of a third color, and configured to emit the light of the first color, the light of the second color, and the light of the third color at different exit angles, respectively.

公开(公告)号：US11156890B2

公开(公告)日：2021-10-26

申请号：US16642629

申请日：2019-03-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G02F1/139 ,  G02F1/1335 ,  F21V8/00 ,  G02F1/1337 ,  G02F1/13357 ,  G02F1/137 ,  G02F1/1343

Abstract: A display device and a method for controlling the display device are disclosed. The display device includes a backlight module and a liquid crystal cell on a light emitting side of the backlight module. The liquid crystal cell includes a first electrode, a second electrode disposed in a first direction opposite to the first electrode, a liquid crystal layer between the first electrode and the second electrode, and a diffractive optical element in the liquid crystal layer. A refractive index of the diffractive optical element is equal to a short-axis refractive index of a liquid crystal in the liquid crystal layer. The liquid crystal cell is divided into a first portion where the liquid crystal molecules are capable of rotating in a first plane and a second portion in a second direction perpendicular to the first direction where liquid crystal molecules are capable of rotating in a first plane.

公开(公告)号：US11002602B2

公开(公告)日：2021-05-11

申请号：US16825355

申请日：2020-03-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengxia Liang ,  Fangzhou Wang

IPC: G01J3/12 ,  G01J3/02 ,  G02F1/13357 ,  G02F1/1335

Abstract: A spectroscope includes a first substrate and a second substrate opposite to each other; a light introducing assembly on a side of the first substrate facing away from the second substrate; a temperature adjusting assembly between the first substrate and the second substrate; a liquid crystal dimming assembly between the first substrate and the second substrate, wherein the temperature adjusting assembly is configured to adjust a temperature of the liquid crystal dimming assembly, so as to adjust spectrum of light passing through the liquid crystal dimming assembly; a spectroscopic grating on the first substrate; a reflector on the second substrate and configured to reflect incident light introduced by the light introducing assembly to the spectroscopic grating; and a plurality of sensors configured to receive the incident light after being subjected a light splitting by the spectroscopic grating. A wavelength of the incident light received by each sensor is different.