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).
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Patent number: 12687662Abstract: The present disclosure provides a display panel, a metasurface lens, and a manufacturing method thereof. The metasurface lens includes: a first substrate and a second substrate disposed opposite to each other; multiple first micro nanostructures arranged at intervals on one side of the first substrate facing the second substrate; multiple second micro nanostructures arranged at intervals on one side of the second substrate facing the first substrate; wherein at least one of the first micro nanostructures is located in gaps between multiple of the second micro nanostructures, and at least one of the second micro nanostructures is located in gaps between multiple of the first micro nanostructures. The present disclosure can reduce the difficulty of the manufacturing process.Type: GrantFiled: June 14, 2022Date of Patent: July 21, 2026Assignee: BOE Technology Group Co., Ltd.Inventors: Duohui Li, Kang Guo, Mengya Song, Dongliang Zhang, Hong Chen, Xiang Li, Dongfei Hou
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Patent number: 12510693Abstract: 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: GrantFiled: January 13, 2022Date of Patent: December 30, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.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
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Patent number: 12360292Abstract: 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: GrantFiled: March 16, 2021Date of Patent: July 15, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Mengya Song, Kang Guo, Duohui Li, Xin Gu
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Patent number: 12345922Abstract: Provided in the present disclosure are a grating structure, a preparation method thereof and a display device. The preparation method of the grating structure includes: forming a plurality of first convex structures arranged in a first direction; and forming a first rubber material at least covering the plurality of first convex structures, and forming the grating structure including a plurality of second convex structures by using convex structures including the first convex structures and the first rubber material, wherein a surface of the first rubber material facing away from the first convex structures is a flat surface, and the convex structures including the first convex structures and the first rubber material are in one-to-one correspondence with the second convex structures, shapes of cross sections of the second convex structures in the first direction are triangles, and the second convex structures have at least one inclined flat surface.Type: GrantFiled: May 27, 2022Date of Patent: July 1, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Duohui Li, Hong Chen, Mengya Song, Dongliang Zhang, Xiao Zhang, Zheng Duan, Kang Guo, Xin Gu
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Patent number: 12265236Abstract: 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: GrantFiled: April 26, 2021Date of Patent: April 1, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Kang Guo, Feng Zhang, Haitao Huang, Renquan Gu, Mengya Song, Duohui Li, Song Liu, Xin Gu, Guangcai Yuan, Xue Dong
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Publication number: 20250013048Abstract: An optical waveguide of the present disclosure has a first region and a second region, and the optical waveguide includes a waveguide dielectric layer, a grating layer and an encapsulation film layer laminated one on another. The grating layer includes a first grating and a second grating, the first grating is located in the first region, and the second grating is located in the second region. The waveguide dielectric layer is configured to transmit light rays coupled into the waveguide dielectric layer by the first grating to the second grating, to enable the light rays to be coupled out through the second grating. The encapsulation film layer covers a side of the first grating and the second grating away from the waveguide dielectric layer, and grooves of the first grating and the second grating are not filled with a material of the encapsulation film layer.Type: ApplicationFiled: May 5, 2023Publication date: January 9, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kang Guo, Xiao Zhang, Mengya Song, Duohui Li, Xin Gu
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Patent number: 12193263Abstract: 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: GrantFiled: June 9, 2023Date of Patent: January 7, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Duohui Li, Kang Guo, Mengya Song, Zhen Liu, Xiao Zhang, Xin Gu
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Publication number: 20240402397Abstract: A microlens array substrate (200) and a preparation method therefor, and a display device. The microlens array substrate (200) comprises: a base; a microlens film layer disposed on a side of the base and comprising at least one microlens array, the microlens array comprises a plurality of microlenses and a spacer portion between adjacent microlenses; a barrier layer disposed on a side of the microlens film layer away from the base, an orthographic projection of at least part of the barrier layer on the base is overlapped with an orthographic projection of the microlenses on the base; a light shielding layer disposed on a side of the microlens film layer away from the base and comprising at least one light shielding pattern, an orthographic projection of the at least one light shielding pattern on the base is overlapped with an orthographic projection of the spacer portion on the base.Type: ApplicationFiled: July 6, 2023Publication date: December 5, 2024Inventors: Kang GUO, Duohui LI, Mengya SONG, Shi SHU, Feng ZHANG, Renquan GU, Xin GU, Guangcai YUAN, Xue DONG, Jing YU
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Publication number: 20240385353Abstract: The present disclosure provides a display panel, a metasurface lens, and a manufacturing method thereof. The metasurface lens includes: a first substrate and a second substrate disposed opposite to each other; multiple first micro nanostructures arranged at intervals on one side of the first substrate facing the second substrate; multiple second micro nanostructures arranged at intervals on one side of the second substrate facing the first substrate; wherein at least one of the first micro nanostructures is located in gaps between multiple of the second micro nanostructures, and at least one of the second micro nanostructures is located in gaps between multiple of the first micro nanostructures. The present disclosure can reduce the difficulty of the manufacturing process.Type: ApplicationFiled: June 14, 2022Publication date: November 21, 2024Inventors: Duohui LI, Kang GUO, Mengya SONG, Dongliang ZHANG, Hong CHEN, Xiang LI, Dongfei HOU
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Publication number: 20240361531Abstract: Provided in the present disclosure are a grating structure, a preparation method thereof and a display device. The preparation method of the grating structure includes: forming a plurality of first convex structures arranged in a first direction; and forming a first rubber material at least covering the plurality of first convex structures, and forming the grating structure including a plurality of second convex structures by using convex structures including the first convex structures and the first rubber material, wherein a surface of the first rubber material facing away from the first convex structures is a flat surface, and the convex structures including the first convex structures and the first rubber material are in one-to-one correspondence with the second convex structures, shapes of cross sections of the second convex structures in the first direction are triangles, and the second convex structures have at least one inclined flat surface.Type: ApplicationFiled: May 27, 2022Publication date: October 31, 2024Inventors: Duohui LI, Hong CHEN, Mengya SONG, Dongliang ZHANG, Xiao ZHANG, Zheng DUAN, Kang GUO, Xin GU
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Publication number: 20240272337Abstract: This disclosure relates to a display panel, including a display panel main body and a light modulation structure on a light-emitting side of the display panel main body, where the display panel main body includes pixels; the light modulation structure includes a substrate, a first medium, a second medium, and a cover layer; the first medium includes a metasurface structure including multiple metasurface structural units arranged on a surface of the substrate close to the cover layer, the metasurface structural units are in one-to-one correspondence with the pixels and each include multiple nano-pillars; the second medium includes a gas layer filling between the substrate and the cover layer, which are spaced from each other by support pillars, and a height of the support pillars is greater than that of the nano-pillars in a direction perpendicular to the substrate. This disclosure also relates to a method for manufacturing a display panel.Type: ApplicationFiled: May 30, 2022Publication date: August 15, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mengya Song, Dongfei Hou, Qian Wu, Duohui Li, Kang Guo, Xin Gu, Dacheng Zhang
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Patent number: 12034088Abstract: 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: GrantFiled: April 26, 2021Date of Patent: July 9, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Duohui Li, Kang Guo, Mengya Song, Haitao Huang, Renquan Gu, Feng Zhang, Meili Wang
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Patent number: 12001113Abstract: 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: GrantFiled: June 1, 2021Date of Patent: June 4, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Yanhui Lu, Kang Guo, Xiao Zhang, Duohui Li, Xueyuan Zhou, Mengya Song, Jin Zhao
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Patent number: 11994696Abstract: 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: GrantFiled: September 23, 2021Date of Patent: May 28, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Kang Guo, Renquan Gu, Xin Gu, Feng Zhang, Meili Wang, Guangcai Yuan, Xue Dong, Mengya Song, Duohui Li, Qi Yao, Jing Yu
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Patent number: 11956991Abstract: 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: GrantFiled: August 30, 2021Date of Patent: April 9, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jin Zhao, Fudong Chen, Kang Guo, Xueyuan Zhou, Mengya Song, Yanhui Lu, Duohui Li, Ning Dang
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Publication number: 20240045118Abstract: 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: ApplicationFiled: April 26, 2021Publication date: February 8, 2024Inventors: Kang GUO, Feng ZHANG, Haitao HUANG, Renquan GU, Mengya SONG, Duohui LI, Song LIU, Xin GU, Guangcai YUAN, Xue DONG
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Publication number: 20240012189Abstract: 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: ApplicationFiled: February 25, 2021Publication date: January 11, 2024Inventors: Duohui LI, Zheng DUAN, Xiao ZHANG, Mengya SONG, Zhen LIU, Yong MA, Kang GUO, Xin GU
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Publication number: 20230358922Abstract: 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: ApplicationFiled: March 16, 2021Publication date: November 9, 2023Inventors: Mengya SONG, Kang GUO, Duohui LI, Xin GU
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Publication number: 20230343880Abstract: 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: ApplicationFiled: April 26, 2021Publication date: October 26, 2023Inventors: Duohui LI, Kang GUO, Mengya SONG, Haitao HUANG, Renquan GU, Feng ZHANG, Meili WANG
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Publication number: 20230329034Abstract: 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: ApplicationFiled: June 9, 2023Publication date: October 12, 2023Inventors: Duohui LI, Kang GUO, Mengya SONG, Zhen LIU, Xiao ZHANG, Xin GU