Patents by Inventor Yanni LIU
Yanni LIU 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: 11927851Abstract: A display panel and a display device are provided. The display panel includes a first base substrate; a second base substrate opposite to the first base substrate; a liquid crystal layer between the first and second base substrates; a first alignment film at a side of the first base substrate facing the liquid crystal layer; a second alignment film at a side of the second base substrate facing the liquid crystal layer; a polarizer at a side of the first base substrate away from the liquid crystal layer; and a quarter-wave plate between the polarizer and the first base substrate. An angle between a center line of an included angle between the first alignment direction of the first alignment film and the second alignment direction of the second alignment film and a slow axis of the quarter-wave plate is in a range from 75 to 105 degrees.Type: GrantFiled: January 18, 2021Date of Patent: March 12, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Liu, Ruichen Zhang, Kaixuan Wang, Yanqing Chen, Zhao Zhang, Yanni Liu, Li Tian
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Publication number: 20240077771Abstract: The present disclosure provides a display panel, including: a first panel and a second panel opposite to the first panel; the first panel includes: gate lines extending along a first direction and data lines extending along a second direction, and the gate lines and the data lines intersect to define pixel regions; the second panel includes: a plurality of support column periodic units arranged in an array along the first direction and the second direction, each support column periodic unit includes a plurality of support columns, and at least a part of the support columns each satisfy: a connection line between the support column and a support column closest thereto extends along a third direction, and an included angle between the third direction and the first direction is not equal to 0°. The present disclosure further provides a display device.Type: ApplicationFiled: November 29, 2021Publication date: March 7, 2024Inventors: Hui WANG, Yuqi LIU, Qianqian ZHANG, Yanni LIU, Yijun WANG, Sheng WANG, Junsheng CHEN
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Publication number: 20230138896Abstract: A display panel and a display device are provided. The display panel includes a first base substrate; a second base substrate opposite to the first base substrate; a liquid crystal layer between the first and second base substrates; a first alignment film at a side of the first base substrate facing the liquid crystal layer; a second alignment film at a side of the second base substrate facing the liquid crystal layer; a polarizer at a side of the first base substrate away from the liquid crystal layer; and a quarter-wave plate between the polarizer and the first base substrate. An angle between a center line of an included angle between the first alignment direction of the first alignment film and the second alignment direction of the second alignment film and a slow axis of the quarter-wave plate is in a range from 75 to 105 degrees.Type: ApplicationFiled: January 18, 2021Publication date: May 4, 2023Inventors: Hao LIU, Ruichen ZHANG, Kaixuan WANG, Yanqing CHEN, Zhao ZHANG, Yanni LIU, Li TIAN
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Patent number: 11640080Abstract: A reflective display panel and a display device are provided. The reflective display includes: a first liquid crystal cell including a first substrate and a second substrate oppositely arranged to each other, and a first liquid crystal layer between the first substrate and the second substrate; a plurality of pixel units on the first substrate, where each pixel unit includes a first sub-pixel unit and a second sub-pixel unit; an optical structure, arranged at a light-emitting side of the first liquid crystal cell and covering the pixel units.Type: GrantFiled: November 19, 2021Date of Patent: May 2, 2023Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanni Liu, Hui Wang, Huijuan Yu, Yang Xue
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Publication number: 20230089004Abstract: A display device and a driving method therefor and a manufacturing method thereof. The display device includes: a liquid crystal cell (1); a first polarizer (2) positioned at a light incident side of the liquid crystal cell (1); and a reflective polarization structure (3) positioned at one side of the liquid crystal cell (1) away from the first polarizer (2). The reflective polarization structure (3) is configured to absorb light having a polarization direction parallel to a transmission axis direction of the first polarizer (2), and to reflect light having a polarization direction perpendicular to the transmission axis direction of the first polarizer (2).Type: ApplicationFiled: May 12, 2021Publication date: March 23, 2023Inventors: Yanni LIU, Hui WANG, Shengguang WANG, Huijuan YU, Jinming ZHU, Xin YI
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Publication number: 20220252935Abstract: A reflective display panel and a display device are provided. The reflective display includes: a first liquid crystal cell including a first substrate and a second substrate oppositely arranged to each other, and a first liquid crystal layer between the first substrate and the second substrate; a plurality of pixel units on the first substrate, where each pixel unit includes a first sub-pixel unit and a second sub-pixel unit; an optical structure, arranged at a light-emitting side of the first liquid crystal cell and covering the pixel units.Type: ApplicationFiled: November 19, 2021Publication date: August 11, 2022Inventors: Yanni LIU, Hui WANG, Huijuan YU, Yang XUE
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Publication number: 20220099355Abstract: A heat exchanger capable of automatically defrosting or deicing includes row tubes and fins. A refrigerating medium can be led into the row tubes. The fins are arranged on an outer wall of the row tube. And heights of the fins extend in a radial direction of the row tube. Each of the fins include a first heat conducting part and a second heat conducting part that are connected with the row tube in sequence. A thermal conductivity of the second heat conducting part is smaller than a thermal conductivity of the first heat conducting part and a thermal conductivity of the row tube. An outer surface of the first heat conducting part and an outer surface of the row tube are both coated with a micron or nanometer hydrophobic layer, which is a hydrophobic coating or a hydrophobic oil film.Type: ApplicationFiled: September 27, 2021Publication date: March 31, 2022Inventors: Qiliang CHEN, Xiaoqing ZHOU, Feng LI, Zhong XIAO, Yanni LIU
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Patent number: 11035948Abstract: The disclosure discloses a virtual reality feedback device, and a positioning method, a feedback method, and a positioning system thereof. The method for positioning a virtual reality feedback device includes: obtaining first time point information of a first microwave signal, wherein the first time point information includes a reception time point and a transmission time point of the first microwave signal; obtaining a second time point information of a second microwave signal, wherein the second time point information includes a reception time point and a transmission time point of the second microwave signal; and determining a position of the virtual reality feedback device according to a transmission speed of the first microwave signal, a transmission speed of the second microwave signal, the first time point information, and the second time point information.Type: GrantFiled: October 12, 2018Date of Patent: June 15, 2021Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.Inventors: Hui Luo, Hui Wang, Xin Yi, Yanni Liu
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Patent number: 10741794Abstract: An organic light emitting diode device and a manufacture method thereof, a display panel are provided. The organic light emitting diode device includes a plurality of pixels, each of the pixels includes at least two sub-pixels that are capable of generating light of different colors, and each of the sub-pixels includes a first electrode, a second electrode, and a light emitting layer between the first electrode and the second electrode; and each of the sub-pixels further includes a microcavity adjusting layer including pores, the microcavity adjusting layer is on a side of the first electrode that is far away from the light emitting layer, and a porosity and an average aperture of the pores in the microcavity adjusting layer of each of the sub-pixels that are capable of generating light of different colors are different.Type: GrantFiled: July 27, 2018Date of Patent: August 11, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yuanhui Guo, Yanni Liu
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Publication number: 20190293779Abstract: The disclosure discloses a virtual reality feedback device, and a positioning method, a feedback method, and a positioning system thereof. The method for positioning a virtual reality feedback device includes: obtaining first time point information of a first microwave signal, wherein the first time point information includes a reception time point and a transmission time point of the first microwave signal; obtaining a second time point information of a second microwave signal, wherein the second time point information includes a reception time point and a transmission time point of the second microwave signal; and determining a position of the virtual reality feedback device according to a transmission speed of the first microwave signal, a transmission speed of the second microwave signal, the first time point information, and the second time point information.Type: ApplicationFiled: October 12, 2018Publication date: September 26, 2019Inventors: Hui Luo, Hui Wang, Xin Yi, Yanni Liu
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Publication number: 20190181382Abstract: An organic light emitting diode device and a manufacture method thereof, a display panel are provided. The organic light emitting diode device includes a plurality of pixels, each of the pixels includes at least two sub-pixels that are capable of generating light of different colors, and each of the sub-pixels includes a first electrode, a second electrode, and a light emitting layer between the first electrode and the second electrode; and each of the sub-pixels further includes a microcavity adjusting layer including pores, the microcavity adjusting layer is on a side of the first electrode that is far away from the light emitting layer, and a porosity and an average aperture of the pores in the microcavity adjusting layer of each of the sub-pixels that are capable of generating light of different colors are different.Type: ApplicationFiled: July 27, 2018Publication date: June 13, 2019Inventors: Yuanhui GUO, Yanni LIU