Patents by Inventor Jingyi Feng

Jingyi Feng 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: 20250104641
    Abstract: A pixel circuit, a pixel driving method and a display device. The pixel circuit includes a light-emitting element, a driving circuit, a first energy storage circuit, a second energy storage circuit, a data writing circuit, and a compensation control circuit. The data writing circuit controls writing of a data voltage on a data line into a data writing node under control of a scanning signal. The compensation control circuit controls whether a second node is connected with or disconnected from a compensation node under control of a first reset signal. The compensation node is electrically connected to a third node, and/or, the compensation node is electrically connected to a second terminal of the driving circuit. The present disclosure can achieve high-frequency driving under the premise of sufficient compensating for the threshold voltage of the driving transistor included in the driving circuit.
    Type: Application
    Filed: January 30, 2023
    Publication date: March 27, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changlong YUAN, Zhenhua ZHANG, Jingyi FENG, Li ZHU
  • Patent number: 12183744
    Abstract: A display substrate, a display device, a method of forming a display substrate, and a method of forming a display device are provided. The display substrate includes: a first insulation structure, including a display area and a frame area, where the frame area is arranged around the display area, and at least one first groove is arranged in the first insulation structure of the display area; a first wiring layer arranged on the first insulating structure and covering a side surface and a bottom surface of the first groove; a second insulation structure arranged on the first wiring layer, where at least one first through-hole is formed in the second insulation structure of the frame area; a first conductive structure covering a part of an upper surface of the second insulating structure and at least a sidewall and a bottom surface of the first via-hole.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: December 31, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jingyi Feng, Yingsong Xu, Changlong Yuan, Zhenhua Zhang, Xilei Cao, Qian Ma
  • Publication number: 20240379224
    Abstract: The present invention discloses a tele-health system of rehabilitation training guidance for patients with chronic respiratory failure, comprising a functional assessment and rehabilitation training equipment group, a patient mobile terminal, a cloud server, and a doctor mobile terminal; the functional assessment and rehabilitation training equipment group interacts with the patient mobile terminal, and the patient mobile terminal and the doctor mobile terminal communicate with the cloud server, respectively.
    Type: Application
    Filed: November 4, 2022
    Publication date: November 14, 2024
    Inventors: NING DENG, WANGSHU JIANG, JINGYI FENG
  • Publication number: 20240268197
    Abstract: The display panel includes a substrate and a plurality of light-emitting units disposed on the substrate, wherein the light-emitting units includes a plurality of light-emitting devices arranged in an array, and a barrier is disposed between neighboring light-emitting devices; a dimming layer disposed on the light-exiting side of light-emitting unit, wherein the dimming layer includes a plurality of first refracting portions arranged in an array, and a second refracting portion is disposed between neighboring first refracting portions and contacted with the first refracting portions; and orthographic projections of the first refracting portions on the substrate overlap with an orthographic projection of the barrier on the substrate, and an orthographic projection of the second refracting portions on the substrate overlaps with orthographic projections of the light-emitting devices on the substrate.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 8, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jingyi Feng, Xiaoxin Li, Jianmin Ye, Mingchao Li
  • Publication number: 20240257734
    Abstract: The present application relates to the technical field of displays. Provided are a display panel and a display apparatus. The display panel comprises a first pixel driving circuit, wherein the first pixel driving circuit comprises a low-temperature polysilicon transistor and an oxide transistor. The display panel further comprises: a base substrate, a first conductive layer and a third conductive layer, wherein the first conductive layer comprises a first gate line, and part of the structure of the first gate line is used for forming a gate electrode of the low-temperature polysilicon transistor; the third conductive layer comprises a second gate line, and part of the structure of the second gate line is used for forming a gate electrode of the oxide transistor; and the orthographic projection of the first gate line on the base substrate extends in a first direction.
    Type: Application
    Filed: November 16, 2021
    Publication date: August 1, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenhua ZHANG, Yingsong XU, Jingyi FENG, Changlong YUAN, Xilei CAO, Yao HU, Guoqiang TANG
  • Publication number: 20240257755
    Abstract: A pixel circuit, a driving method, and a display device are provided. The pixel circuit includes a light emitting element, a driving circuit, a first energy storage circuit, a first setting circuit, a second setting circuit and a light emitting control circuit. The first setting circuit controls to connect the first setting voltage terminal and the first node under the control of the first control signal provided by the first control terminal; the second setting circuit controls to connect the second setting voltage terminal and the second terminal of the first energy storage circuit under the control of the second control signal provided by the second control terminal.
    Type: Application
    Filed: July 31, 2023
    Publication date: August 1, 2024
    Inventors: Changlong YUAN, Baoxi WANG, Jingyi FENG, Li ZHU, Zhenhua ZHANG, Xilei CAO, Wulin SHEN, Xiaoxiao WANG, Yao HU, Zhen LIU, Mengmeng DU
  • Publication number: 20240233592
    Abstract: The present disclosure provides a light-emission control signal generation circuitry, a light-emission control signal generation method and a display device. The light-emission control signal generation circuitry includes a first control node control circuitry, a second control node control circuitry, a first node control circuitry, a second node control circuitry and an output circuitry. The first control node control circuitry is configured to control a potential at a first control node to be a first voltage at a first stage; the second control node control circuitry is configured to control a second control node to be electrically decoupled from the first control node at the first stage; and the output circuitry is configured to generate a light-emission control signal under the control of a potential at a first node and a potential at a second node.
    Type: Application
    Filed: June 9, 2021
    Publication date: July 11, 2024
    Inventors: Xilei CAO, Yingsong XU, Jingyi FENG
  • Publication number: 20240169915
    Abstract: A pixel driving circuit, a method for driving the same, and a display panel are provided. The pixel driving circuit includes a driving circuit (1) and an initialization circuit (2). The driving circuit (1) is connected to a first node (N1), a second node (N2), and a third node (N3). The initialization circuit (2) is connected to the first node (N1), the initialization circuit (2) is further connected to the second node (N2) and/or the third node (N3), and the initialization circuit (2) is configured to provide a first initialization voltage to the first node (N1), provide a first reset voltage to the second node (N2) and/or provide a second reset voltage to the third node (N3), so as to control a driving transistor (T3) in the driving circuit (1) to be turned on.
    Type: Application
    Filed: July 29, 2022
    Publication date: May 23, 2024
    Inventors: Xilei CAO, Dongfang YANG, Zhenhua ZHANG, Li ZHU, Xiaoxin LI, Jingyi FENG
  • Patent number: 11990073
    Abstract: The present disclosure provides a light-emission control signal generation circuitry, a light-emission control signal generation method and a display device. The light-emission control signal generation circuitry includes a first control node control circuitry, a second control node control circuitry, a first node control circuitry, a second node control circuitry and an output circuitry. The first control node control circuitry is configured to control a potential at a first control node to be a first voltage at a first stage; the second control node control circuitry is configured to control a second control node to be electrically decoupled from the first control node at the first stage; and the output circuitry is configured to generate a light-emission control signal under the control of a potential at a first node and a potential at a second node.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: May 21, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xilei Cao, Yingsong Xu, Jingyi Feng
  • Publication number: 20240161673
    Abstract: The present disclosure provides a shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node potential adjustment circuit, a first tank circuit, a second node control circuit, a second tank circuit, a third node control circuit, a first node control circuit, and an output circuit; the first node potential adjustment circuit changes the potential of the first node according to the adjustment clock signal under the control of the potential of the first node; the first tank circuit is used to maintain the potential of the first node; the third node control circuit controls the potential of the third isolation node and the potential of the fourth node; the second node control circuit controls the potential of the second isolation node.
    Type: Application
    Filed: January 25, 2024
    Publication date: May 16, 2024
    Inventors: Yingsong XU, Zhenhua ZHANG, Qian MA, Xilei CAO, Changlong YUAN, Jingyi FENG, Weiyun HUANG, Benlian WANG
  • Publication number: 20240135848
    Abstract: The present disclosure provides a light-emission control signal generation circuitry, a light-emission control signal generation method and a display device. The light-emission control signal generation circuitry includes a first control node control circuitry, a second control node control circuitry, a first node control circuitry, a second node control circuitry and an output circuitry. The first control node control circuitry is configured to control a potential at a first control node to be a first voltage at a first stage; the second control node control circuitry is configured to control a second control node to be electrically decoupled from the first control node at the first stage; and the output circuitry is configured to generate a light-emission control signal under the control of a potential at a first node and a potential at a second node.
    Type: Application
    Filed: June 8, 2021
    Publication date: April 25, 2024
    Inventors: Xilei CAO, Yingsong XU, Jingyi FENG
  • Publication number: 20240119897
    Abstract: A pixel circuit and a driving method therefor and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, and a first reset circuit; the driving circuit includes a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; the data write circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; the first reset circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit; the driving circuit and the data write circuit each include an N-type thin film transistor; and the first reset circuit includes an N-type oxide thin film transistor.
    Type: Application
    Filed: July 5, 2022
    Publication date: April 11, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenhua Zhang, Dongfang Yang, Xilei Cao, Xueguang Hao, Lang Liu, Jingyi Feng, Changlong Yuan, Xiaoxin Li, Li Zhu
  • Patent number: 11922845
    Abstract: The present disclosure provides a shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node potential adjustment circuit, a first tank circuit, a second node control circuit, a second tank circuit, a third node control circuit, a first node control circuit, and an output circuit; the first node potential adjustment circuit changes the potential of the first node according to the adjustment clock signal under the control of the potential of the first node; the first tank circuit is used to maintain the potential of the first node; the third node control circuit controls the potential of the third isolation node and the potential of the fourth node; the second node control circuit controls the potential of the second isolation node.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: March 5, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yingsong Xu, Zhenhua Zhang, Qian Ma, Xilei Cao, Changlong Yuan, Jingyi Feng, Weiyun Huang, Benlian Wang
  • Patent number: 11880522
    Abstract: The present disclosure provides a touch display panel, including a display region and a non-display region surrounding the display region. The non-display region includes a bonding region arranged at one side of the display region along a first direction. The touch display panel further includes a display signal line and a touch signal line. The bonding region includes a first pad and a second pad, the display signal line is coupled to a flexible printed circuit via the first pad, the touch signal line is coupled to the flexible printed circuit via the second pad, and the second pad is arranged at one side of the first pad along a second direction.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: January 23, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenhua Zhang, Fan He, Yingsong Xu, Jingyi Feng, Qian Ma
  • Publication number: 20220319374
    Abstract: The present disclosure provides a shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node potential adjustment circuit, a first tank circuit, a second node control circuit, a second tank circuit, a third node control circuit, a first node control circuit, and an output circuit; the first node potential adjustment circuit changes the potential of the first node according to the adjustment clock signal under the control of the potential of the first node; the first tank circuit is used to maintain the potential of the first node; the third node control circuit controls the potential of the third isolation node and the potential of the fourth node; the second node control circuit controls the potential of the second isolation node.
    Type: Application
    Filed: October 23, 2020
    Publication date: October 6, 2022
    Inventors: Yingsong XU, Zhenhua ZHANG, Qian MA, Xilei CAO, Changlong YUAN, Jingyi FENG, Weiyun HUANG, Benlian WANG
  • Publication number: 20220271059
    Abstract: A display substrate, a display device, a method of forming a display substrate, and a method of forming a display device are provided. The display substrate includes: a first insulation structure, including a display area and a frame area, where the frame area is arranged around the display area, and at least one first groove is arranged in the first insulation structure of the display area; a first wiring layer arranged on the first insulating structure and covering a side surface and a bottom surface of the first groove; a second insulation structure arranged on the first wiring layer, where at least one first through-hole is formed in the second insulation structure of the frame area; a first conductive structure covering a part of an upper surface of the second insulating structure and at least a sidewall and a bottom surface of the first via-hole.
    Type: Application
    Filed: December 13, 2021
    Publication date: August 25, 2022
    Inventors: Jingyi FENG, Yingsong XU, Changlong YUAN, Zhenhua ZHANG, Xilei CAO, Qian MA
  • Patent number: 11417263
    Abstract: The present disclosure provides a shift register unit, including: a first input sub-circuit configured to conduct a first voltage terminal with a first node under control of a first clock signal terminal; a first output sub-circuit configured to conduct a second voltage terminal with an output terminal under control of the first node; a second input sub-circuit configured to conduct an input terminal with a second node under control of the first clock signal terminal; a second output sub-circuit configured to conduct a second clock signal terminal with the output terminal under control of the second node; a first switching sub-circuit configured to conduct the first clock signal terminal with the first node under control of the second node; a second switching sub-circuit configured to conduct a third clock signal terminal with the storage sub-circuit under control of the first node.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: August 16, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jingyi Feng, Yingsong Xu, Jiandong Bao
  • Publication number: 20220236819
    Abstract: The present disclosure provides a touch display panel, including a display region and a non-display region surrounding the display region. The non-display region includes a bonding region arranged at one side of the display region along a first direction. The touch display panel further includes a display signal line and a touch signal line. The bonding region includes a first pad and a second pad, the display signal line is coupled to a flexible printed circuit via the first pad, the touch signal line is coupled to the flexible printed circuit via the second pad, and the second pad is arranged at one side of the first pad along a second direction.
    Type: Application
    Filed: December 10, 2021
    Publication date: July 28, 2022
    Inventors: Zhenhua ZHANG, Fan HE, Yingsong XU, Jingyi FENG, Qian MA
  • Patent number: 11249340
    Abstract: A display substrate, a display panel, and a display device are provided. The display substrate includes a transparent region and a pixel display region surrounding at least a portion of the transparent region. The display substrate includes a base substrate and a first optical layer located on the base substrate, the first optical layer is located within the pixel display region. A portion of the first optical layer close to the transparent region includes a first light ray deflection part configured to deflect image light of the pixel display region around the transparent region toward the transparent region for displaying in the transparent region.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: February 15, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yangpeng Wang, Haijun Qiu, Benlian Wang, Yuedi He, Weinan Dai, Jingyi Feng
  • Publication number: 20220036798
    Abstract: The present disclosure provides a shift register unit, including: a first input sub-circuit configured to conduct a first voltage terminal with a first node under control of a first clock signal terminal; a first output sub-circuit configured to conduct a second voltage terminal with an output terminal under control of the first node; a second input sub-circuit configured to conduct an input terminal with a second node under control of the first clock signal terminal; a second output sub-circuit configured to conduct a second clock signal terminal with the output terminal under control of the second node; a first switching sub-circuit configured to conduct the first clock signal terminal with the first node under control of the second node; a second switching sub-circuit configured to conduct a third clock signal terminal with the storage sub-circuit under control of the first node.
    Type: Application
    Filed: March 30, 2021
    Publication date: February 3, 2022
    Inventors: Jingyi FENG, Yingsong XU, Jiandong BAO