Patents by Inventor Hongwei Ma

Hongwei Ma 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).

  • Publication number: 20220384541
    Abstract: A display panel and a manufacturing method thereof, and an alignment method are provided. The display panel includes a display substrate and a cover plate connected through an optical adhesive layer. The display substrate includes a plurality of light emitting elements, a pixel defining layer, and an encapsulation layer; the encapsulation layer includes a first inorganic encapsulation layer, a first organic encapsulation layer, and a second inorganic encapsulation layer; the display panel includes a display region and a frame region including a cutting region and a dam glue region where a dam glue is located; at least one of the plurality of cover plate alignment marks is between the dam glue and the display region and is overlapped with the second inorganic encapsulation layer, and at least one of the plurality of cover plate alignment marks is between the dam glue and the cutting region.
    Type: Application
    Filed: December 20, 2019
    Publication date: December 1, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo CHENG, Xiangdan DONG, Jun YAN, Fan HE, Qi LIU, Hongwei MA
  • Publication number: 20220384555
    Abstract: A display substrate and a manufacturing method thereof, and a display device are disclosed. The display substrate includes a base substrate, lead wires, a plurality of contact pads, a first insulation laminated layer, and a second insulation laminated layer. The base substrate includes a display region, a dam region at least partially surrounding the display region, a transition region on a side of the dam region away from the display region, and a first bonding region and a bonding peripheral region on a side of the transition region away from the dam region. The plurality of contact pads is in the first bonding region and configured to be electrically connected to the lead wires. The first insulation laminated layer is in the first bonding region. The second insulation laminated layer is in the bonding peripheral region.
    Type: Application
    Filed: October 29, 2019
    Publication date: December 1, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei MA, Xiangdan DONG, Rui WANG
  • Patent number: 11515379
    Abstract: A display substrate and a manufacturing method thereof, and a display device are disclosed. The display substrate includes a base substrate, a plurality of sub-pixels at least one group of contact pads, and a first insulation layer. The base substrate includes a display region and a bonding region located at one side of the display region. The least one group of contact pads includes a plurality of contact pads, at least one of the plurality of contact pads includes a first contact pad metal layer and a second contact pad metal layer, the second contact pad metal layer covers an edge of the first contact pad metal layer. The first insulation layer is located in gaps between the plurality of contact pads and covers edges of the plurality of contact pads, and is configured to expose surfaces of the plurality of contact pads facing away from the base substrate.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: November 29, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengmeng Du, Xiangdan Dong, Hongwei Ma, Jun Yan, Bo Cheng, Biao Liu
  • Publication number: 20220365624
    Abstract: A touch control structure having a plurality of first mesh electrodes and a plurality of second mesh electrodes is provided. The touch control structure is limited in a touch control region and absent in a window region. A window-crossing row of the plurality of first mesh electrodes includes a first mesh block and a second mesh block respectively on a first side and a second side of the window region; a first conductive plate directly connected to multiple mesh lines of the first mesh block; a second conductive plate directly connected to multiple mesh lines of the second mesh block; and a first conductive bridge connecting the first conductive plate and the second conductive plate. The first conductive plate, the second conductive plate, and the first conductive bridge are respectively around a first portion, a second portion, and a third portion of a periphery of the window region.
    Type: Application
    Filed: October 30, 2020
    Publication date: November 17, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Fan He, Cong Fan, Kemeng Tong, Hongwei Ma, Xiangdan Dong
  • Publication number: 20220359640
    Abstract: An array substrate is provided. The array substrate includes a node connecting line in a same layer as a respective voltage supply line, connected to a first capacitor electrode and a semiconductor material layer. An orthographic projection of a first anode on a base substrate at least partially overlaps with an orthographic projection of a node connecting line in a respective first subpixel. An orthographic projection of a second anode on the base substrate at least partially overlaps with an orthographic projection of the node connecting line in a respective second subpixel. An orthographic projection of a third anode on the base substrate at least partially overlaps with an orthographic projection of the node connecting line in a respective third subpixel. An orthographic projection of a fourth anode on the base substrate at least partially overlaps with an orthographic projection of the node connecting line in a respective fourth subpixel.
    Type: Application
    Filed: November 10, 2020
    Publication date: November 10, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yixuan Long, Biao Liu, Mengmeng Du, Xiaoqing Shu, Hongwei Ma, Yujing Li, Xiangdan Dong, Siyu Wang
  • Publication number: 20220328594
    Abstract: The present disclosure relates to the field of display, and discloses a display panel and a display device.
    Type: Application
    Filed: January 22, 2020
    Publication date: October 13, 2022
    Inventors: Hongwei MA, Xiangdan DONG, Bo CHENG, Mengmeng DU
  • Publication number: 20220328598
    Abstract: A display substrate and a test method thereof are disclosed. The display substrate includes a base substrate, data lines, data leads, a first test circuit and a second test circuit. A display region of the base substrate includes a pixel array, and the pixel array includes a plurality of sub-pixels; the first test circuit is configured to apply a first test signal to the plurality of sub-pixels to perform a first test in a first test stage; the second test circuit is configured to apply a second test signal to the plurality of sub-pixels to perform a second test in a second test stage. The first test circuit includes a first test switch circuit and a first test control signal application circuit, a first test control signal pad and a first test control signal bypass are respectively electrically connected to a control terminal of the first test switch circuit.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 13, 2022
    Inventors: Jiping ZHAO, Mengmeng DU, Xiangdan DONG, Hongwei MA
  • Publication number: 20220320247
    Abstract: A display substrate and a display device are provided. The display substrate includes a first power signal line and a pixel defining layer. The first power signal line includes first power signal sub-lines extending along a first direction and second power signal sub-lines extending along a second direction. The pixel defining layer includes a plurality of openings to define effective light-emitting regions of a plurality of sub-pixels, the plurality of sub-pixels include a sub-pixel pair including two sub-pixels arranged along the second direction, and the sub-pixel pair includes two effective light-emitting sub-regions with an interval therebetween. In a plan view, the first power signal sub-line passes through the interval between the two effective light-emitting sub-regions, at least one second power signal sub-line includes a fracture, and the two effective light-emitting sub-regions are located at the fracture.
    Type: Application
    Filed: April 26, 2020
    Publication date: October 6, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Biao LIU, Mengmeng DU, Xiangdan DONG, Hongwei MA
  • Publication number: 20220320231
    Abstract: A display substrate and a display device. In the display substrate, at least one of the inter-opening region, the first opening peripheral region and the second opening peripheral region includes a first virtual sub-pixel; the first signal line extends along a first direction and includes a first portion passing through the first opening peripheral region, the inter-opening region and the second opening peripheral region; the first portion passes through the first virtual sub-pixel, and the first virtual sub-pixel includes a first compensation capacitor, a first plate of the first compensation capacitor is in a same layer as the first portion of the first signal line and electrically connected with the first portion of the first signal line, and in a same layer as the second plate of the storage capacitor; the second plate is in a different layer from, insulated from, and overlaps with the first plate.
    Type: Application
    Filed: September 10, 2020
    Publication date: October 6, 2022
    Inventors: Xin ZHANG, Yang ZHOU, Junxiu DAI, Maoying LIAO, Yi ZHANG, Xiaoqing SHU, Hongwei MA, Mengmeng DU, Rong WANG, Xiangdan DONG, Zhenhua ZHANG, Shuangbin YANG, Bo CHENG, Yujing LI
  • Publication number: 20220320226
    Abstract: A display substrate and a display device are provided. In the display substrate, each of the plurality of anode groups includes a first anode and a second anode, the first anode includes a first main body portion, a first connection portion, an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor, the anode compensation portion has a first point at a side away from the second center line, and the first main body portion has a second point at the first side, the first anode and a connection line between the first point and the second point enclose a notch region, and an area of the notch region is greater than at least one of an area of the anode compensation portion and an area of the first connection portion.
    Type: Application
    Filed: September 10, 2020
    Publication date: October 6, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lulu YANG, Tinghua SHANG, Guomeng ZHANG, Yu WANG, Xiaofeng JIANG, Xin ZHANG, Yupeng HE, Yi QU, Biao LIU, Mengmeng DU, Xiangdan DONG, Hongwei MA
  • Publication number: 20220320235
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a first power line and a pixel defining layer. The first power line includes first sub power lines and second sub power lines located between every two adjacent first sub power lines, the second sub power line is configured to connect two adjacent first sub power lines; the pixel defining layer includes a plurality of openings to define effective light-emitting regions of a plurality of sub-pixels. The plurality of sub-pixels include a first color sub-pixel, and the first color sub-pixel includes a first effective light-emitting region. The first sub power line includes a first break, and the first effective light-emitting region is located at the first break so that the first sub power line does not pass through the first effective light-emitting region in a first direction.
    Type: Application
    Filed: April 26, 2020
    Publication date: October 6, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoqing SHU, Hongwei MA, Xiangdan DONG
  • Publication number: 20220310759
    Abstract: The disclosure discloses a display substrate and a display device. The display substrate includes a base substrate, and a first wire layer, a first insulating layer, a transitional connection layer, a second insulating layer, a third insulating layer, and a second wire layer sequentially arranged on a wire changing region of the substrate; first wires of the first wire layer are electrically connected to electrical connection portions of the transitional connection layer through a first opening of the first insulating layer, and the electrical connection portions are electrically connected to second wires of the second wire layer through a second opening of the second insulating layer and a third opening of the third insulating layer; at least two of a projection of the first opening, a projection of the second opening, or a projection of the third opening on the substrate are staggered in positions.
    Type: Application
    Filed: November 5, 2021
    Publication date: September 29, 2022
    Inventors: Fan HE, Hongwei MA, Xiangdan DONG
  • Patent number: 11417847
    Abstract: A method for manufacturing a display substrate, a display substrate, a display panel and a display device are provided. The method includes: disposing a mask plate including an occlusion area above a base substrate, an orthographic projection of occlusion area on the base substrate partially overlapping a folding area of the base substrate; forming an inorganic layer pattern with an opening on the base substrate by using mask plate, an orthographic projection of opening on the base substrate partially overlapping the folding area of base substrate. An orthographic projection of opening on the base substrate partially overlaps the folding area of base substrate. The folding area of base substrate is occluded by mask plate. The inorganic layer is formed on the base substrate by using mask plate. Effect of conveniently and quickly removing a portion the inorganic layer located in the folding area can be achieved without removing the portion.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: August 16, 2022
    Assignees: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Youngyik Ko, Wanli Dong, Hongwei Ma
  • Patent number: 11367698
    Abstract: The present application provides a method of bonding an integrated circuit chip to a display panel. The method includes forming a plurality of first bonding pads in a bonding region on a first side of the display panel; forming a plurality of vias extending through the display panel in the bonding region; subsequent to forming the plurality of vias, disposing an integrated circuit chip having a plurality of second bonding pads on a second side of the display panel substantially opposite to the first side, the plurality of second bonding pads being on a side of the integrated circuit chip proximal to the display panel; and electrically connecting the plurality of first bonding pads respectively with the plurality of second bonding pads by forming a plurality of connectors respectively in the plurality of vias.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: June 21, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hongwei Ma, Youngyik Ko, Tairong Kim, Xiangdan Dong, Jinsan Park
  • Patent number: 11316000
    Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. The array substrate includes a base substrate; a first metal layer on the base substrate; a first insulating layer on the first metal layer; a second metal layer on the first insulating layer; and a second insulating layer located on the second metal layer. The array substrate includes a display region and a peripheral region surrounding the display region, the first metal layer includes a plurality of signal lines in the peripheral region, the second insulating layer includes at least one groove overlapping at least two signal lines, the second metal layer includes a metal strip in the peripheral region, and in the area where the groove overlaps the signal lines, an orthographical projection on the base substrate fall into the orthographic projection of the metal strip on the base substrate.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: April 26, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Ma, Kai Zhang, Yunsheng Xiao, Xiangdan Dong
  • Patent number: 11309520
    Abstract: An encapsulation structure includes a first inorganic layer, a first organic layer and a second inorganic layer, all of which are sequentially stacked in a thickness direction of the encapsulation structure. At least one of the first inorganic layer or the second inorganic layer is a crack-resistant layer.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: April 19, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingliang Liu, Yunsheng Xiao, Xiangdan Dong, Yue Long, Kai Zhang, Yonglin Guo, Hongwei Ma
  • Publication number: 20220113854
    Abstract: The present disclosure provides a touch module, a display panel and a display apparatus. The display panel includes a substrate, a driving circuit structure layer, a light-emitting layer including a plurality of light-emitting regions and non-light-emitting regions, an encapsulation layer arranged on a surface of the light-emitting layers away from the substrate, an insulating dielectric layer with a plurality of hollow patterns penetrating the insulating dielectric layer, including a touch region, a peripheral signal trace region, and a frame region, touch electrode pattern, arranged on a surface of the insulating dielectric layer, located in the touch region and including a plurality of first touch electrodes and a plurality of second touch electrodes, and a plurality of touch signal lines distributed at intervals, electrically connected to the touch electrode patterns.
    Type: Application
    Filed: April 30, 2020
    Publication date: April 14, 2022
    Inventors: Fan HE, Xiangdan DONG, Hongwei MA, Jun YAN, Kemeng TONG, Cong FAN
  • Publication number: 20220115280
    Abstract: A display substrate and a display apparatus are provided, the display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area; a plurality of sub-pixel units in the display area; a plurality of data lines in the display area and electrically coupled to the plurality of sub-pixel units; a plurality of data transmission lines in the peripheral area on at least one side of the display area and electrically coupled to the plurality of data lines; a plurality of first pads and a plurality of second pads located between the plurality of first pads and the plurality of data transmission lines; a plurality of third pads between the plurality of first pads and the plurality of second pads; and a plurality of multiplexers between the plurality of second pads and the plurality of third pads.
    Type: Application
    Filed: May 12, 2020
    Publication date: April 14, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Mengmeng Du, Xiangdan Dong, Hongwei Ma, Biao Liu, Bo Zhang
  • Patent number: 11302230
    Abstract: Embodiments of the present disclosure provides a display panel, a display device and a display method. The display panel includes a display substrate and a package substrate, the display substrate includes a pixel region, the package substrate includes frames and a light transmission region surrounded by the frames, wherein a plurality of pixel units are disposed in the pixel region of the display substrate; a length L of the pixel region of the display substrate is greater than a distance D between the frames of the package substrate at least in a first direction; and an orthographic projection of the pixel region on the display substrate at least partially covers an orthographic projection of the light transmission region on the display substrate.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: April 12, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingliang Liu, Weiyun Huang, Zhifeng Zhan, Yue Long, Yunsheng Xiao, Zhenxiao Tong, Hongwei Ma
  • Patent number: 11282871
    Abstract: An array substrate and a manufacturing method thereof, and a display device are provided. The manufacturing method of the array substrate includes forming a source-drain metal pattern on a substrate, wherein the substrate includes a display region and a peripheral region located around the display region, the source-drain metal pattern located on the peripheral region including a plurality of metal wires; and forming a protective structure on a lateral side of each of the metal wires, wherein the protective structure contacts and covers the lateral side of each of the metal wires.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: March 22, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tingliang Liu, Hongwei Ma, Kai Zhang