Patents by Inventor Baoman Li

Baoman 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: 12631872
    Abstract: A grating regulating device is applied to a 3D displaying device. The 3D displaying device includes a display panel, the display panel includes a first polarizing unit, the grating regulating device is provided on one side of the display panel away from the first polarizing unit, and the grating regulating device includes: a first substrate and a second substrate, wherein the first substrate and the second substrate face each other; a second polarizing unit provided on one side of the second substrate away from the first substrate; and a third polarizing unit provided on one side of the first substrate away from the second substrate; and an absorption axis of the first polarizing unit and an absorption axis of the second polarizing unit are perpendicular, and the absorption axis of the second polarizing unit and an absorption axis of the third polarizing unit are perpendicular.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: May 19, 2026
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ru Zhou, Hailin Xue, Sheng Wang, Yuansheng Zang, Xiaoqing Peng, Qianqian Zhang, Jinbo Xu, Shiming Shang, Yijun Wang, Xufei Xu, Baoman Li
  • Publication number: 20250366325
    Abstract: A display substrate is provided, including: a base substrate; a first conductive layer, a second conductive layer, a semiconductor layer, a third conductive layer and a passivation layer sequentially arranged on the base substrate along a direction away from the base substrate; and a first electrode via hole penetrating the passivation layer. The second conductive layer, includes a first electrode. The second conductive layer includes a gate electrode. The third conductive layer includes a transfer portion, of which an orthographic projection on the base substrate falls within an orthographic projection of the first electrode on the base. An opening area of the first electrode via hole gradually decreases in a direction pointing towards the base substrate, and an exposed part of the transfer portion by the first electrode via hole serves as a part of a via hole sidewall of the first electrode via hole.
    Type: Application
    Filed: May 14, 2024
    Publication date: November 27, 2025
    Inventors: Zengjie KONG, Yujie GAO, Peng JIANG, Xin LIU, Chenguang GUO, Junling HUANG, Ming WANG, Yazheng QIAO, Lu SHEN, He LIU, Jun DING, Baoman LI, Wei DAI
  • Publication number: 20250355270
    Abstract: A display substrate is provided including: a base substrate; a display unit on the base substrate, including pixel units arranged in an array in a first direction and a second direction, where the pixel units have a periodic pixel width ?x in the first direction; a first medium layer on a side of the display unit away from the base substrate; and a cylindrical lens grating unit on a side of the first medium layer away from the base substrate, including a hard substrate and cylindrical lenses contiguously arranged in the first direction, each cylindrical lens having a pitch P. The stereoscopic display substrate has a preset field of view position with an optimal display effect in a third direction; is perpendicular to both the first and second directions. In a direction away from the field of view origin along the first direction, pitches P of the cylindrical lenses increase.
    Type: Application
    Filed: March 13, 2024
    Publication date: November 20, 2025
    Inventors: Yue GUO, Weifan YANG, Xing ZHOU, Hongchuan DU, Jianbo WANG, Heyang ZHANG, Tianhui ZHAO, Baoman LI
  • Publication number: 20250323137
    Abstract: The present disclosure provides a chip on film and a display apparatus, the chip on film includes a base substrate, which includes: a plurality of bonding areas and a peripheral area arranged around the bonding areas; a plurality of bonding pads located on the base substrate, and each bonding area is provided with multiple bonding pads; and an accompanying plated pattern, which is located in a same layer and made of a same material as the plurality of bonding pads, and is located in a part of the peripheral area on at least one side of the bonding areas.
    Type: Application
    Filed: September 29, 2022
    Publication date: October 16, 2025
    Inventors: Shuilang DONG, Yan QU, Xinhong LU, Guoteng LI, Liuqing LI, Jingshang ZHOU, Baoman LI
  • Publication number: 20250314905
    Abstract: A grating regulating device includes: a first substrate, a conductive layer, a dielectric layer and a second substrate arranged in stack, the conductive layer includes a wiring layer, a first insulating layer and a first electrode layer arranged in stack, the wiring layer includes a plurality of driving lines, and the first electrode layer includes a plurality of sub-electrodes arranged in a first direction. The driving lines are for transmitting a driving signal to the sub-electrodes, and the sub-electrodes are for, by effect of the driving signal, driving corresponding positions of the dielectric layer to be light-transmitting or opaque. The grating regulating device includes a grating region including a plurality of common-signal units, each of the common-signal units includes a plurality of grating units, each grating unit includes a plurality of sub-electrodes, and the plurality of sub-electrodes located in a same grating unit are connected to different driving lines.
    Type: Application
    Filed: June 18, 2025
    Publication date: October 9, 2025
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhao Dong, Ru Zhou, Hu Li, Baoman Li, Jianghui Zhan
  • Patent number: 12366766
    Abstract: A grating regulating device includes: a first substrate, a conductive layer, a dielectric layer and a second substrate arranged in stack, the conductive layer includes a wiring layer, a first insulating layer and a first electrode layer arranged in stack, the wiring layer includes a plurality of driving lines, and the first electrode layer includes a plurality of sub-electrodes arranged in a first direction. The driving lines are for transmitting a driving signal to the sub-electrodes, and the sub-electrodes are for, by the effect of the driving signal, driving corresponding positions of the dielectric layer to be light-transmitting or opaque. The grating regulating device includes a grating region including a plurality of common-signal units, each of the common-signal units includes at least one grating unit, the grating unit includes a plurality of sub-electrodes, and the plurality of sub-electrodes located in the same grating unit are connected to different driving lines.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: July 22, 2025
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhao Dong, Ru Zhou, Hu Li, Baoman Li, Jianghui Zhan
  • Publication number: 20250147153
    Abstract: Disclosed are a LiDAR assembly and an apparatus with a detection function. The LiDAR assembly includes: a transmitter configured to emit first laser light along a first direction; a first scanner, where an input terminal of the first scanner faces to an output terminal of the transmitter, and the first scanner is configured to control the first laser light to be deflected from the first direction to a plurality of different first deflection directions, and emit the first laser light along the plurality of first deflection directions to a target object; a receiver configured to receive laser light reflected by the target object and convert an optical signal into an electrical signal; and a signal processing unit configured to receive the electrical signal, analyze and compute the electrical signal to obtain information about a distance from the target object and a shape of the target object.
    Type: Application
    Filed: February 22, 2024
    Publication date: May 8, 2025
    Inventors: Yuehua LIU, Wei ZHAO, Baoman LI
  • Publication number: 20250125230
    Abstract: Disclosed are a chip on film, a manufacturing method thereof, and a display apparatus. The chip on film includes: at least one substrate layer; a plurality of pads on the at least one substrate layer; a plurality of first leads on the at least one substrate layer and electrically connected to part of the pads; and a plurality of second leads on a side of each substrate layer away from the layer where the plurality of pads are located, and electrically connected to the rest of the pads.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 17, 2025
    Inventors: Xinhong LU, Yan QU, Shuilang DONG, Liuqing LI, Jingshang ZHOU, Guoteng LI, Baoman LI
  • Publication number: 20250022393
    Abstract: A grating regulating device includes: a first substrate, a conductive layer, a dielectric layer and a second substrate arranged in stack, the conductive layer includes a wiring layer, a first insulating layer and a first electrode layer arranged in stack, the wiring layer includes a plurality of driving lines, and the first electrode layer includes a plurality of sub-electrodes arranged in a first direction. The driving lines are for transmitting a driving signal to the sub-electrodes, and the sub-electrodes are for, by the effect of the driving signal, driving corresponding positions of the dielectric layer to be light-transmitting or opaque. The grating regulating device includes a grating region including a plurality of common-signal units, each of the common-signal units includes at least one grating unit, the grating unit includes a plurality of sub-electrodes, and the plurality of sub-electrodes located in the same grating unit are connected to different driving lines.
    Type: Application
    Filed: August 30, 2022
    Publication date: January 16, 2025
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhao Dong, Ru Zhou, Hu Li, Baoman Li, Jianghui Zhan
  • Publication number: 20240427167
    Abstract: A display device and a driving method thereof are provided. The display device includes: a display panel; and at least two grating panels; the grating panel includes a dielectric layer and driving structures disposed on at least one side of the dielectric layer; the grating panel includes grating units, the grating unit includes at least two driving structures; the driving structure is configured to receive a driving signal and form an electric field under the action of the driving signal; the electric field is used for driving a corresponding position of the dielectric layer to transmit light or shield light so that the grating unit forms a light-transmitting unit and a light-shielding unit; the grating panels include a first grating panel and a second grating panel stacked on a same side or two opposite sides of the display panel; the grating units are arranged along a first direction.
    Type: Application
    Filed: December 26, 2022
    Publication date: December 26, 2024
    Applicants: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ru Zhou, Hailin Xue, Sheng Wang, Hui Wang, Xiaoqing Peng, Yuansheng Zang, Zhengwei Zhu, Xiang Wang, Yijun Wang, Jie Yang, Xufei Xu, Yingxi Tai, Baoman Li
  • Publication number: 20240393581
    Abstract: A grating regulating device is applied to a 3D displaying device. The 3D displaying device includes a display panel, the display panel includes a first polarizing unit, the grating regulating device is provided on one side of the display panel away from the first polarizing unit, and the grating regulating device includes: a first substrate and a second substrate, wherein the first substrate and the second substrate face each other; a second polarizing unit provided on one side of the second substrate away from the first substrate; and a third polarizing unit provided on one side of the first substrate away from the second substrate; and an absorption axis of the first polarizing unit and an absorption axis of the second polarizing unit are perpendicular, and the absorption axis of the second polarizing unit and an absorption axis of the third polarizing unit are perpendicular.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 28, 2024
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Ru Zhou, Hailin Xue, Sheng Wang, Yuansheng Zang, Xiaoqing Peng, Qianqian Zhang, Jinbo Xu, Shiming Shang, Yijun Wang, Xufei Xu, Baoman Li
  • Publication number: 20240363510
    Abstract: A chip on film includes: a flexible substrate; and a multilayer wiring structure disposed on the flexible substrate. The multilayer wiring structure includes a first wiring layer, a first insulation layer and a second wiring layer, which are sequentially arranged in a direction towards the flexible substrate the flexible substrate. The first wiring layer includes a first conductive material and the second wiring layer includes a second conductive material. The chip on film further includes: pins, at least part of which are in the first wiring layer; first via holes in the first insulation layer; and a second wire and a second wire leading portion in the second wiring layer, which are electrically connected to each other. More than one pin is electrically connected to the second wire leading portion through more than one first via hole, respectively.
    Type: Application
    Filed: November 24, 2022
    Publication date: October 31, 2024
    Inventors: Liuqing Li, Shuilang Dong, Xinhong Lu, Guoteng Li, Jingshang Zhou, Baoman Li
  • Publication number: 20240365478
    Abstract: Embodiments of the present disclosure provide a circuit board, a display apparatus, and a manufacturing method for a circuit board. The manufacturing method for the circuit board includes: providing a precursor substrate; forming seed patterns and an auxiliary seed pattern on a side of the precursor substrate, where the seed patterns are located in the patterned areas, the auxiliary seed pattern is located in the non-patterned area, and the seed pattern and the auxiliary seed pattern are separated from each other; and forming a pad at a position of the seed pattern and an auxiliary pattern at a position of the auxiliary seed pattern by an electroplating process.
    Type: Application
    Filed: July 11, 2024
    Publication date: October 31, 2024
    Inventors: Guoteng LI, Shuilang DONG, Xinhong LU, Liuqing LI, Jingshang ZHOU, Baoman LI, Zhao CUI, Yingwei LIU