Patents by Inventor Duohui LI

Duohui LI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11956991
    Abstract: A display panel includes a substrate and a grating disposed on a light-emitting side of the display panel. The grating includes a plurality of protruding portions and a plurality of interval portions, each interval portion is located between two adjacent protruding portions. The plurality of protruding portions are arranged on the substrate along a first direction, and each protruding portion extends along a second direction perpendicular to the first direction. Each protruding portion includes an outer surface and a bottom surface; the outer surface is a smooth curved surface, and the bottom surface is a flat surface. A cross-sectional figure of each protruding portion along a thickness direction of the display panel is a first figure; the first figure includes a curve and a bottom edge, and the first figure is a closed figure formed by the curve and the bottom edge.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: April 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jin Zhao, Fudong Chen, Kang Guo, Xueyuan Zhou, Mengya Song, Yanhui Lu, Duohui Li, Ning Dang
  • Publication number: 20240045118
    Abstract: The present disclosure relates to the field of display technology, and provides an optical module, a manufacturing method thereof, and a display device. The optical module includes: a substrate; a black matrix arranged on the substrate and a plurality of optical lenses spaced apart from each other, wherein an orthogonal projection of a gap between adjacent optical lenses onto the substrate is located within an orthogonal projection of the black matrix onto the substrate, and the black matrix is made of a ferrous metal oxide.
    Type: Application
    Filed: April 26, 2021
    Publication date: February 8, 2024
    Inventors: Kang GUO, Feng ZHANG, Haitao HUANG, Renquan GU, Mengya SONG, Duohui LI, Song LIU, Xin GU, Guangcai YUAN, Xue DONG
  • Publication number: 20240012189
    Abstract: The present application provides a polarizer, a manufacturing method thereof, a display panel and a display apparatus. The polarizer includes an antireflection layer, a first support layer and a grating layer stacked in sequence along a light incidence direction. The grating layer includes a plurality of first grating strips spaced apart. The first support layer includes a plurality of first support strips spaced apart and a plurality of second support strips disposed between any two adjacent first support strips, and the first support strips are disposed corresponding to the first grating strips. The antireflection layer includes a plurality of second grating strips spaced apart, and the second grating strips are disposed corresponding to the first grating strips. The antireflection layer, the first support layer and the grating layer form an optical resonant cavity structure, or, the antireflection layer is configured to absorb light reflected by the grating layer. A display panel includes the polarizer.
    Type: Application
    Filed: February 25, 2021
    Publication date: January 11, 2024
    Inventors: Duohui LI, Zheng DUAN, Xiao ZHANG, Mengya SONG, Zhen LIU, Yong MA, Kang GUO, Xin GU
  • Publication number: 20230358922
    Abstract: Disclosed in embodiments of the present disclosure are a lens array and a manufacturing method thereof. The manufacturing method for the lens array includes the following steps: depositing a first film layer on a first substrate, and manufacturing and forming a tapered structure array through a patterning process; and depositing a second film layer on the tapered structure array, thereby covering a top of a tapered structure, so as to form a lenticular structure array, wherein a top of a lenticular structure is a cambered surface. The lens array is manufactured by the above manufacturing method, wherein the lens array includes a plurality of lenses arranged in an array, and the arch heights of the plurality of lenses are the same and larger than or equal to a set value.
    Type: Application
    Filed: March 16, 2021
    Publication date: November 9, 2023
    Inventors: Mengya SONG, Kang GUO, Duohui LI, Xin GU
  • Publication number: 20230343880
    Abstract: The present disclosure belongs to the field of display technology, and provides an optical module, a manufacturing method thereof, and a display device. The optical module includes: a substrate; a barrier structure arranged on the substrate; a black matrix arranged within the barrier structure, an orthogonal projection of the black matrix onto the substrate not going beyond a region surrounded by the barrier structure; and optical lenses arranged on a side of the black matrix away from the substrate. An orthogonal projection of a gap between adjacent optical lenses onto the substrate falls into the black matrix.
    Type: Application
    Filed: April 26, 2021
    Publication date: October 26, 2023
    Inventors: Duohui LI, Kang GUO, Mengya SONG, Haitao HUANG, Renquan GU, Feng ZHANG, Meili WANG
  • Publication number: 20230329034
    Abstract: Disclosed are a display panel, a manufacturing method thereof, and a displaying device. The display panel comprises a pixel layer, a support layer, a lens unit and a cover plate which are stacked in sequence. The support layer is located on a luminescent layer of the pixel layer. The lens unit comprises a lens layer, wherein the lens layer comprises a lens area and a non-lens area, and the lens area comprises multiple lenses arranged in an array. The display panel further comprises a polarization unit disposed on a light path between the pixel layer and the lens layer and configured to filter out light emitted from the pixel layer to the non-lens area.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 12, 2023
    Inventors: Duohui LI, Kang GUO, Mengya SONG, Zhen LIU, Xiao ZHANG, Xin GU
  • Patent number: 11716873
    Abstract: Disclosed are a display panel, a manufacturing method thereof, and a displaying device. The display panel comprises a pixel layer, a support layer, a lens unit and a cover plate which are stacked in sequence. The support layer is located on a luminescent layer of the pixel layer. The lens unit comprises a lens layer, wherein the lens layer comprises a lens area and a non-lens area, and the lens area comprises multiple lenses arranged in an array. The display panel further comprises a polarization unit disposed on a light path between the pixel layer and the lens layer and configured to filter out light emitted from the pixel layer to the non-lens area.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: August 1, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Duohui Li, Kang Guo, Mengya Song, Zhen Liu, Xiao Zhang, Xin Gu
  • Publication number: 20230168558
    Abstract: Provided are a display substrate, a display apparatus and a display method therefor. The display substrate includes: a base substrate; pixel units on the base substrate; and an electrochromic structure on a side of the pixel units that is away from the base substrate. The transmittance of the electrochromic structure is positively correlated with the brightness of the pixel units when displaying an image, such that the contrast of the display substrate is improved, and the display effect is improved.
    Type: Application
    Filed: June 1, 2021
    Publication date: June 1, 2023
    Inventors: Yanhui LU, Kang GUO, Xiao ZHANG, Duohui LI, Xueyuan ZHOU, Mengya SONG, Jin ZHAO
  • Publication number: 20220229209
    Abstract: A method for manufacturing a light field display device and a light field display device are provided, the method includes: forming a plano-concave lens layer on a substrate, and the plano-concave lens layer comprises a plurality of plano-concave lenses arranged in an array and a plurality of alignment marks arranged at preset positions; forming a first planarization layer covering the plano-concave lens layer to form a microlens array, the first planarization layer having a refractive index greater than a refractive index of the plano-concave lens layer; attaching the light-emitting side of the display panel to a side of the microlens array away from the substrate according to the alignment mark.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 21, 2022
    Inventors: Kang GUO, Mengya SONG, Duohui LI, Xin GU, Feng ZHANG, Meili WANG, Fei WANG, Renquan GU, Qi YAO, Guangcai YUAN, Xue DONG, Jing YU
  • Publication number: 20220158133
    Abstract: Disclosed are a display panel, a manufacturing method thereof, and a displaying device. The display panel comprises a pixel layer, a support layer, a lens unit and a cover plate which are stacked in sequence. The support layer is located on a luminescent layer of the pixel layer. The lens unit comprises a lens layer, wherein the lens layer comprises a lens area and a non-lens area, and the lens area comprises multiple lenses arranged in an array. The display panel further comprises a polarization unit disposed on a light path between the pixel layer and the lens layer and configured to filter out light emitted from the pixel layer to the non-lens area.
    Type: Application
    Filed: June 23, 2021
    Publication date: May 19, 2022
    Inventors: Duohui Li, Kang Guo, Mengya Song, Zhen Liu, Xiao Zhang, Xin Gu
  • Publication number: 20220155612
    Abstract: Embodiments of the present application disclose a method for manufacturing a naked-eye 3D device and a naked-eye 3D device. The method includes: forming a display module including a plurality of pixel islands; forming a spacer layer on the display module; and forming a micro-lens array on the spacer layer, wherein the spacer layer is formed to have a thickness such that the plurality of pixel islands are located at a focal plane of the micro-lens array. The method further includes: forming an alignment mark between the spacer layer and the display module, wherein the alignment mark is used for, when forming the micro-lens array, aligning each micro-lens in the micro-lens array with one of the plurality of pixel islands.
    Type: Application
    Filed: September 23, 2021
    Publication date: May 19, 2022
    Inventors: Kang GUO, Renquan GU, Xin GU, Feng ZHANG, Meili WANG, Guangcai YUAN, Xue DONG, Mengya SONG, Duohui LI, Qi YAO, Jing YU
  • Patent number: 11307499
    Abstract: Embodiments of the present disclosure provide a splicing nano-imprint template, a repair method of a splicing seam thereof, and a manufacturing method thereof. The repair method of the splicing seam of the splicing nano-imprint template includes: providing a splicing nano-imprint plate, in which the splicing nano-imprint plate includes a base substrate and splicing modules that are positioned on the base substrate, a splicing seam is provided between adjacent spicing modules, and each of the splicing modules includes a unit pattern; forming a repair adhesive layer at least at the splicing seam; and performing a patterning process on the repair adhesive layer to form a repair module, in which the repair module includes the unit pattern.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: April 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui Lu, Duohui Li, Xueyuan Zhou
  • Publication number: 20220102683
    Abstract: A display panel includes a substrate and a grating disposed on a light-emitting side of the display panel. The grating includes a plurality of protruding portions and a plurality of interval portions, each interval portion is located between two adjacent protruding portions. The plurality of protruding portions are arranged on the substrate along a first direction, and each protruding portion extends along a second direction perpendicular to the first direction. Each protruding portion includes an outer surface and a bottom surface; the outer surface is a smooth curved surface, and the bottom surface is a flat surface. A cross-sectional figure of each protruding portion along a thickness direction of the display panel is a first figure; the first figure includes a curve and a bottom edge, and the first figure is a dosed figure formed by the curve and the bottom edge.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 31, 2022
    Inventors: Jin ZHAO, Fudong CHEN, Kang GUO, Xueyuan ZHOU, Mengya SONG, Yanhui LU, Duohui LI, Ning DANG
  • Publication number: 20210157240
    Abstract: Embodiments of the present disclosure provide a splicing nano-imprint template, a repair method of a splicing seam thereof, and a manufacturing method thereof. The repair method of the splicing seam of the splicing nano-imprint template includes: providing a splicing nano-imprint plate, in which the splicing nano-imprint plate includes a base substrate and splicing modules that are positioned on the base substrate, a splicing seam is provided between adjacent spicing modules, and each of the splicing modules includes a unit pattern; forming a repair adhesive layer at least at the splicing seam; and performing a patterning process on the repair adhesive layer to form a repair module, in which the repair module includes the unit pattern.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 27, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui LU, Duohui LI, Xueyuan ZHOU