Patents by Inventor Pengjun CAO

Pengjun CAO 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: 11960167
    Abstract: A backplane includes: a substrate including a circuit structure layer, a first reflective layer disposed on a bearing surface of the substrate, a plurality of light-emitting diode chips, and a plurality of optical structures. The first reflective layer includes a plurality of through holes spaced apart. A light-emitting diode chip in the plurality of light-emitting diode chips is located in one of the plurality of through holes. The plurality of light-emitting diode chips are electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the plurality of light-emitting diode chips to emit light. An optical structure in the plurality of optical structures covers the light-emitting diode chip, a light incident surface of the optical structure is in contact with a light exit surface of the light-emitting diode chip, and a light exit surface of the optical structure is a curved surface.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: April 16, 2024
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pei Li, Haiwei Sun, Ming Zhai, Lu Yu, Kangle Chang, Jinpeng Li, Pengjun Cao, Yutao Hao, Shubai Zhang, Shuo Wang, Pei Qin, Zewen Gao, Yali Zhang
  • Patent number: 11868003
    Abstract: The embodiments of the present disclosure provide a driving backplate and a display device adopting the following solutions. The driving backplate comprises: a substrate; a first reflective layer disposed on the substrate; the first reflecting layer is provided with a plurality of first openings; an outline of the first opening comprises a plurality of first grooves; a functional element disposed within the first opening; and a dispensed portion arranged at a periphery of the functional element, and at least part of the first groove is filled by one side of the dispensed portion close to the first reflecting layer.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: January 9, 2024
    Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Junjie Xie, Yezhou Tan, Zhenxing Luo, Bin Xiang, Pei Li, Pengjun Cao
  • Publication number: 20230343895
    Abstract: A light emitting substrate, comprising a base substrate, a retaining wall disposed on the base substrate, and a plurality of light emitting diodes. The retaining wall defines a plurality of partitions on the base substrate, and at least one light emitting diode is provided in at least one partition.
    Type: Application
    Filed: February 10, 2022
    Publication date: October 26, 2023
    Inventors: Pengjun CAO, Pei LI, Jinpeng LI, Jian LI, Teng ZHANG, Kangle CHANG, Zhaohui LI, Zhifu YANG
  • Publication number: 20230095594
    Abstract: The present disclosure provides a backplane, including: a transparent substrate; an electrode layer provided on a side of the transparent substrate and including a plurality of signal transmission lines; a plurality of micro-display light emitting devices provided on a side, facing away from the transparent substrate, of the electrode layer, electrically coupled to the signal transmission lines, and capable of emitting light towards the transparent substrate; a protective layer provided on a side, facing away from the transparent substrate, of the micro-display light emitting devices; and a driving module provided on a side, facing away the transparent substrate, of the protective layer and electrically coupled to the signal transmission lines. The present disclosure also provides a display substrate and a display device.
    Type: Application
    Filed: November 12, 2019
    Publication date: March 30, 2023
    Inventors: Jian LI, Zijian WANG, Chiachiang LIN, Ming ZHAI, Pei LI, Zhiyuan WANG, Jinpeng LI, Pengjun CAO, Teng ZHANG
  • Publication number: 20220375911
    Abstract: A backboard, comprising a substrate, a first reflecting layer, multiple light-emitting diode chips, and multiple optical structures. The substrate comprises a circuit structure layer. The first reflecting layer is provided on a bearing surface of the substrate, and comprises multiple through holes provided at intervals. One of the multiple light-emitting diode chips is located in one of the multiple through holes, and the multiple light-emitting diode chips is electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the multiple light-emitting diode chips to emit light. One of the multiple optical structures covers a light exit surface of one of the multiple light-emitting diode chips. Light entrance surfaces of the optical structures are in contact with light exit surfaces of the light-emitting diode chips. A light exit surface of the optical structure comprises a curved surface.
    Type: Application
    Filed: February 5, 2021
    Publication date: November 24, 2022
    Inventors: Pei LI, Haiwei SUN, Ming ZHAI, Lu YU, Kangle CHANG, Jinpeng LI, Pengjun CAO, Yutao HAO, Shubai ZHANG, Shuo WANG, Pei QIN, Zewen GAO, Yali ZHANG
  • Publication number: 20220269131
    Abstract: The embodiments of the present disclosure provide a driving backplate and a display device adopting the following solutions. The driving backplate comprises: a substrate; a first reflective layer disposed on the substrate; the first reflecting layer is provided with a plurality of first openings; an outline of the first opening comprises a plurality of first grooves; a functional element disposed within the first opening; and a dispensed portion arranged at a periphery of the functional element, and at least part of the first groove is filled by one side of the dispensed portion close to the first reflecting layer.
    Type: Application
    Filed: September 16, 2021
    Publication date: August 25, 2022
    Applicants: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Junjie XIE, Yezhou TAN, Zhenxing LUO, Bin Xiang, Pei LI, Pengjun CAO
  • Publication number: 20220262995
    Abstract: A display substrate includes a first base, a plurality of light-emitting devices disposed on a side of the first base, a light dimming layer located in gaps between the plurality of light-emitting devices and located on surfaces of the plurality of light-emitting devices away from the first base, and a second base covering the light dimming layer. The plurality of light-emitting devices are spaced apart from each other. At least one light-emitting device is surrounded by the light dimming layer, a material of a portion, located in the gaps between the plurality of light-emitting devices, of the light dimming layer includes a light absorbing material, and the light dimming layer is configured to absorb part of light entering the light dimming layer.
    Type: Application
    Filed: February 26, 2021
    Publication date: August 18, 2022
    Inventors: Jian LI, Chenchang CHEN, Shipeng WANG, Pei LI, Pengjun CAO, Jinpeng LI, Zhiyuan WANG, Teng ZHANG
  • Patent number: 11302247
    Abstract: The present disclosure provides a LED display device, which includes: a LED display substrate and a driving substrate opposite to each other, the LED display substrate includes: a base and a plurality of LED chips located on a side of the base distal to the driving substrate; the driving substrate includes: a PCB and a driving control element located on the PCB, and the driving control element is electrically coupled to the LED chips through a plurality of first signal wires for providing driving signals for the LED chips.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: April 12, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengjun Cao, Ming Zhai, Pei Li, Zhiyuan Wang, Jinpeng Li, Dan Li, Jian Li, Teng Zhang
  • Publication number: 20210366881
    Abstract: An array substrate, a method of manufacturing the array substrate, and a display device are provided. The array substrate includes: a transparent rigid base; light-emitting chips on the transparent rigid base, each light-emitting chip including a chip body and a pin coupled to the chip body, a light-exiting surface of the chip body facing towards the transparent rigid base, and the pin being on a side of the chip body facing away from the transparent rigid base; a driving wire layer on a side of the pin facing away from the transparent rigid base; and a driving chip structure on a side of the driving wire layer facing away from the transparent rigid base. The driving chip structure is coupled to pins of the plurality of light-emitting chips through the driving wire layer, and is used for provide driving signals for the light-emitting chips.
    Type: Application
    Filed: November 5, 2019
    Publication date: November 25, 2021
    Inventors: Jinpeng LI, Ming ZHAI, Pei LI, Zhiyuan WANG, Pengjun CAO, Jian LI, Teng ZHANG, Zijian WANG, Chiachiang LIN
  • Patent number: 11131797
    Abstract: Disclosed are a backlight module and a display device. The backlight module includes: a substrate and light emitting devices disposed on a side of the substrate, where each of the light emitting devices includes a light emitting diode, and a first connecting weld leg and a second connecting weld leg disposed between the light emitting diode and the substrate; the backlight module further includes a reflective layer between the substrate and the light emitting diodes; and for a same light emitting device, an orthographic projection of the reflective layer on the substrate and an area between orthographic projections of the first connecting weld leg and the second connecting weld leg on the substrate have an overlapping area.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: September 28, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jinpeng Li, Ming Zhai, Pei Li, Zhiyuan Wang, Pengjun Cao, Jian Li, Teng Zhang, Zongying Shu, Yuanda Lu, Linxia Qi, Pei Qin
  • Publication number: 20210116623
    Abstract: Disclosed are a backlight module and a display device. The backlight module includes: a substrate and light emitting devices disposed on a side of the substrate, where each of the light emitting devices includes a light emitting diode, and a first connecting weld leg and a second connecting weld leg disposed between the light emitting diode and the substrate; the backlight module further includes a reflective layer between the substrate and the light emitting diodes; and for a same light emitting device, an orthographic projection of the reflective layer on the substrate and an area between orthographic projections of the first connecting weld leg and the second connecting weld leg on the substrate have an overlapping area.
    Type: Application
    Filed: March 30, 2020
    Publication date: April 22, 2021
    Inventors: Jinpeng Li, Ming Zhai, Pei Li, Zhiyuan Wang, Pengjun Cao, Jian Li, Teng Zhang, Zongying Shu, Yuanda LU, Linxia Qi, Pei Qin
  • Publication number: 20210065618
    Abstract: The present disclosure provides a LED display device, which includes: a LED display substrate and a driving substrate opposite to each other, the LED display substrate includes: a base and a plurality of LED chips located on a side of the base distal to the driving substrate; the driving substrate includes: a PCB and a driving control element located on the PCB, and the driving control element is electrically coupled to the LED chips through a plurality of first signal wires for providing driving signals for the LED chips.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 4, 2021
    Inventors: Pengjun CAO, Ming ZHAI, Pei LI, Zhiyuan WANG, Jinpeng LI, Dan LI, Jian LI, Teng ZHANG
  • Patent number: 10690959
    Abstract: A display apparatus includes a display module and a camera module. The camera module is within a display area of the display module, and the camera module is over a side of the display module distal to a light-emitting surface of the display module. The display area of the display module includes a light-incident region positionally corresponding to a lens of the camera module, wherein the light-incident region is configured to allow lights from a side of the display apparatus proximal to the light-emitting surface of the display module to pass therethrough to thereby enter the lens of the camera module. The display apparatus further includes a backlight portion over a side of the display module distal to the light-emitting surface of the display module, and the camera module is arranged inside a mounting hole in the backlight portion.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: June 23, 2020
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinpeng Li, Ming Zhai, Pei Li, Dan Li, Pengjun Cao, Zongying Shu, Yongqiang Jiang, Zhiyuan Wang, Zhiyong Chen, Yinwei Chen, Xiang Li, Guangquan Wang, Haiwei Sun, Enkai Dong
  • Publication number: 20190331960
    Abstract: A display apparatus includes a display module and a camera module. The camera module is within a display area of the display module, and the camera module is over a side of the display module distal to a light-emitting surface of the display module. The display area of the display module includes a light-incident region positionally corresponding to a lens of the camera module, wherein the light-incident region is configured to allow lights from a side of the display apparatus proximal to the light-emitting surface of the display module to pass therethrough to thereby enter the lens of the camera module. The display apparatus further includes a backlight portion over a side of the display module distal to the light-emitting surface of the display module, and the camera module is arranged inside a mounting hole in the backlight portion.
    Type: Application
    Filed: November 29, 2018
    Publication date: October 31, 2019
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinpeng LI, Ming ZHAI, Pei LI, Dan LI, Pengjun CAO, Zongying SHU, Yongqiang JIANG, Zhiyuan WANG, Zhiyong CHEN, Yinwei CHEN, Xiang LI, Guangquan WANG, Haiwei SUN, Enkai DONG