Patents by Inventor Wenbo Chen

Wenbo Chen 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: 20250252924
    Abstract: A display substrate includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit and a light emitting device, the pixel drive circuit includes an initial signal line, a reset signal line, a scan signal line and multiple transistors. Multiple transistors include a drive transistor, a data writing transistor, a first reset transistor and a second reset transistor. The first reset transistor resets a gate of the drive transistor under control of the reset signal line. The display substrate further comprises dummy pixel rows among the plurality of sub-pixels, at least one row of the plurality of sub-pixels is arranged adjacent to a dummy pixel row, the dummy pixel row comprises a plurality of dummy sub-pixels, a dummy sub-pixel comprises a dummy pixel drive circuit.
    Type: Application
    Filed: March 14, 2025
    Publication date: August 7, 2025
    Inventors: Tiaomei ZHANG, Ziyang YU, Wenbo CHEN, Haigang QING
  • Patent number: 12361894
    Abstract: A shift register includes a shift module configured for causing the cascade signal output end to output a cascade signal in response to a signal of the input signal end; an reverse output module configured for causing the reverse signal output end to output a signal reverse to the cascade signal output end in response to a signal of the cascade signal output end; a latch module configured for causing an output end of the latch module to output a control signal of the masking signal end in response to signals of the cascade signal output end and the reverse signal output end of a previous level; and a selection output module configured for providing a signal of the first power supply end or the second power supply end to the driving signal output end in response to a signal of the output end of the latch module.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: July 15, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbo Chen, Ziyang Yu, Mengqi Wang, Tiaomei Zhang, Erjin Zhao, Quanyong Gu, Tianyi Cheng, Jianpeng Wu, Zhiliang Jiang, Ming Hu
  • Patent number: 12364016
    Abstract: A display substrate including a base and a shift register unit provided on the base; the shift register unit includes a first first voltage line, an on-off control circuit, a first energy storage circuit and a fourth node control circuit; the on-off control circuit comprises a first transistor, and the first energy storage circuit includes a first capacitor; at least part of the first first voltage line extends in the a first direction; the fourth node control circuit includes a second transistor; the first capacitor, the first transistor, the first first voltage line and the second transistor are arranged in a second direction; the second transistor, the first first voltage line, the first transistor and the first capacitor are arranged in sequence along a direction close to the display area; the first direction intersects the second direction.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: July 15, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongliu Yang, Tiaomei Zhang, Wenbo Chen
  • Patent number: 12354558
    Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit and an output circuit; the driving signal generation circuit generates and outputs the Nth stage of driving signal; the gating circuit controls to write the gating input signal into the first node; the output control circuit performs a NAND operation on the Nth stage of driving signal and the potential of the second terminal of the output control circuit to obtain a first output signal; the output circuit inverts the first output signal to obtain and provide an output driving signal through the output driving terminal; N is a positive integer.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: July 8, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Wenbo Chen, Mengqi Wang, Cong Liu, Qian Xu, Qingqing Yan, Pan Zhao, Qing He, Xiangnan Pan, Quanyong Gu
  • Patent number: 12349554
    Abstract: A display substrate has a display region, a peripheral region surrounding the display region, and pad regions on a first connection side of the peripheral region and distal to the display region. The display region includes sub-pixel regions. The display substrate further includes: a base, and organic light-emitting diodes and a first power supply line all on the base. The organic light-emitting diodes are provided in the sub-pixel regions, respectively. A cathode of each organic light-emitting diode extends from the display region to the peripheral region and is connected to the first power supply line in the peripheral region. The first connection side includes a first connection region corresponding to a position between two adjacent pad regions, and a second connection region other than the first connection region. A connection region between the first power supply line and the cathode covers at least part of the second connection region.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: July 1, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbo Chen, Bing Zhang, Mengyue Fan, Chenyu Chen, Zhongliu Yang, Shuang Zhao, Hongting Lu, Jing Yang, Yanping Ren
  • Publication number: 20250212627
    Abstract: Disclosed are a display substrate and a display device. The display substrate includes: a base substrate, the base substrate including a display region and a bezel region on at least one side of the display region; a first electrode on the base substrate, where the first electrode extends from the display region to the bezel region; a first power bus between the layer where the first electrode is located and the base substrate, where the first power bus is in the bezel region and is electrically connected with the first electrode; and a first power line between the layer where the first electrode is located and the base substrate, where the first power line is in the display region, where the first power line is in the display region, is of a mesh structure, and is electrically connected with the first power bus.
    Type: Application
    Filed: September 26, 2023
    Publication date: June 26, 2025
    Inventors: Wenbo CHEN, Tiaomei ZHANG, Ziyang YU, Zhiliang JIANG
  • Patent number: 12340753
    Abstract: A driving circuit, a driving method, a driving module and a display device are provided. The driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit, a voltage control circuit and a third control node control circuit. The third control node control circuit is electrically connected to the first node and the third control node respectively, and is configured to control the potential of the third control node according to the potential of the first node.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: June 24, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ziyang Yu, Ming Hu, Zhiliang Jiang, Haijun Qiu, Long Ma, Tianyi Cheng, Jianpeng Wu, Wenbo Chen, Qingqing Yan, Xiangnan Pan, Qing He, Quanyong Gu, Pan Zhao
  • Patent number: 12322343
    Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit, a voltage control circuit and a second node control circuit; the driving signal generation circuit generates an Nth stage of driving signal; the output control circuit controls to connect the first control node and the second node under the control of the potential of the first node; the gating circuit writes a gating input signal into the first node under the control of a gating control signal; the voltage control circuit controls a potential of the second node according to the potential of the first node; the second node control circuit controls to connect the second node and the first voltage terminal under the control of the potential of the first node.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: June 3, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Wenbo Chen, Mengqi Wang, Cong Liu, Qian Xu, Erjin Zhao
  • Publication number: 20250166574
    Abstract: A driving circuit includes a first driving signal generation circuit, a first output control circuit, a first gating circuit, a first first energy storage circuit, a first second energy storage circuit and a first output circuit; N is a positive integer; the first gating circuit controls to write the gating input signal into the first first node under the control of the gating control signal; the first output circuit controls to connect the Nth stage of output driving terminal and the first voltage terminal under the control of the potential of the first second node, and controls to connect the Nth stage of output driving terminal and the second voltage terminal under the control of the potential of the first third control node; the first third control node and the first second control node are different nodes.
    Type: Application
    Filed: December 18, 2023
    Publication date: May 22, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ziyang YU, Haijun QIU, Ming HU, Zhiliang JIANG, Jianpeng WU, Tianyi CHENG, Erjin ZHAO, Wenbo CHEN, Sifei AI, Cong LIU, Yonglin GUO
  • Patent number: 12288519
    Abstract: Provided are a display substrate, a driving method thereof, and a display apparatus. The display substrate includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit and a light emitting device, the pixel drive circuit includes an initial signal line (INIT), a reset signal line (Reset) and multiple transistors, the initial signal line includes a first branch (INIT-1). Multiple transistors include a drive transistor, a first reset transistor and a second reset transistor, the drive transistor provides a drive current to the light emitting device, the first reset transistor resets a gate of the drive transistor through the INIT-1 under control of the reset signal line. The second reset transistor resets a first terminal of the light emitting device through the INIT-1 under control of the reset signal line. The first reset transistor and the second reset transistor in a same sub-pixel are controlled by a same reset signal line.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: April 29, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tiaomei Zhang, Ziyang Yu, Wenbo Chen, Haigang Qing
  • Publication number: 20250133936
    Abstract: A displaying base board includes an active area and a peripheral region, the peripheral region includes at least a first blocking part and a second blocking part; the peripheral region further includes a first power-supply signal line, and an orthographic projection of the first power-supply signal line on a substrate of the displaying base board has an overlapping part with individually an orthographic projection of the first blocking part on the substrate and an orthographic projection of the second blocking part on the substrate; and the first power-supply signal line is provided with a plurality of openings, and a region enclosed by orthographic projections on the substrate of outer contours of some of the openings falls within a region of the orthographic projection on the substrate of at least one of the first blocking part and the second blocking part.
    Type: Application
    Filed: February 28, 2023
    Publication date: April 24, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Quanyong Gu, Tiaomei Zhang, Ziyang Yu, Wenbo Chen, Pan Zhao, Mengqi Wang, Erjin Zhao, Xiangnan Pan, Qingqing Yan, Qing He, Zhiliang Jiang
  • Publication number: 20250124873
    Abstract: A driving circuit, a driving method, a driving module and a display device are provided. The driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit, a voltage control circuit and a third control node control circuit. The third control node control circuit is electrically connected to the first node and the third control node respectively, and is configured to control the potential of the third control node according to the potential of the first node.
    Type: Application
    Filed: March 29, 2023
    Publication date: April 17, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ziyang YU, Ming HU, Zhiliang JIANG, Haijun QIU, Long MA, Tianyi CHENG, Jianpeng WU, Wenbo CHEN, Qingqing YAN, Xiangnan PAN, Qing HE, Quanyong GU, Pan ZHAO
  • Patent number: 12272303
    Abstract: The present disclosure provides a driving circuitry, a driving method, a driving module, and a display device. The driving circuitry includes a driving signal generation circuitry, a gating circuitry, an output control circuitry and an output circuitry. The driving signal generation circuitry is configured to perform a shifting operation on an (N?1)th-level driving signal to obtain an Nth-level driving signal. The gating circuitry is configured to write a gating input signal into a first node under the control of a gating control signal. The output control circuitry is configured to perform an NAND operation on the Nth-level driving signal and a potential at a second end of the output control circuitry to obtain a first output signal. The output circuitry is configured to perform phase inversion on the first output signal to obtain and provide an output driving signal through an output driving end, where N is a positive integer.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: April 8, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Mengqi Wang, Qi Wei, Wenbo Chen, Tiaomei Zhang, Sifei Ai, Cong Liu, Qian Xu
  • Patent number: 12266307
    Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate, each sub-pixel includes a pixel circuit, and the pixel circuit includes a drive sub-circuit and a first reset sub-pixel. The first reset sub-pixel is configured to apply a first reset voltage to a control terminal of the drive sub-circuit in response to a first reset control voltage; the display substrate further comprises a first reset signal line electrically connected with the first terminal of the first reset sub-circuit to provide the first reset voltage, and the first reset signal line is in a semiconductor layer and comprises a doped semiconductor material.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: April 1, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongting Lu, Yuhsiung Feng, Xin Mou, Chenyu Chen, Shuang Zhao, Zhongliu Yang, Jing Yang, Wenbo Chen
  • Publication number: 20250104643
    Abstract: This disclosure provides a display substrate, a display, and a display substrate driving method. The display substrate includes a first-category pixel row, a second-category pixel row, a first drive line, a second drive line and at least one category of data signal source; a first gate on array (GOA) circuit is used for providing a starting signal of a first frequency to the first-category pixel row; a second GOA circuit is used for providing a starting signal of a second frequency to the second-category pixel row; the at least one category of data signal source is used for supplying a data signal to data signal lines of the first-category pixel row and the second-category pixel row.
    Type: Application
    Filed: April 26, 2023
    Publication date: March 27, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiaomei Zhang, Mengqi Wang, Wenhui Gao, Ziyang Yu, Tianyi Cheng, Wenbo Chen, Zhiliang Jiang, Ming Hu
  • Publication number: 20250104640
    Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit, a voltage control circuit and a second node control circuit; the driving signal generation circuit generates an Nth stage of driving signal; the output control circuit controls to connect the first control node and the second node under the control of the potential of the first node; the gating circuit writes a gating input signal into the first node under the control of a gating control signal; the voltage control circuit controls a potential of the second node according to the potential of the first node; the second node control circuit controls to connect the second node and the first voltage terminal under the control of the potential of the first node.
    Type: Application
    Filed: December 19, 2022
    Publication date: March 27, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Wenbo Chen, Mengqi Wang, Cong Liu, Qian Xu, Erjin Zhao
  • Publication number: 20250095546
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided.
    Type: Application
    Filed: February 21, 2023
    Publication date: March 20, 2025
    Inventors: Erjin ZHAO, Ziyang YU, Tiaomei ZHANG, Pan ZHAO, Quanyong GU, Wenbo CHEN, Zhiliang JIANG, Gukhwan SONG, Ming HU
  • Publication number: 20250095590
    Abstract: A shift register includes a shift module configured for causing the cascade signal output end to output a cascade signal in response to a signal of the input signal end; an reverse output module configured for causing the reverse signal output end to output a signal reverse to the cascade signal output end in response to a signal of the cascade signal output end; a latch module configured for causing an output end of the latch module to output a control signal of the masking signal end in response to signals of the cascade signal output end and the reverse signal output end of a previous level; and a selection output module configured for providing a signal of the first power supply end or the second power supply end to the driving signal output end in response to a signal of the output end of the latch module.
    Type: Application
    Filed: December 20, 2022
    Publication date: March 20, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wenbo Chen, Ziyang Yu, Mengqi Wang, Tiaomei Zhang, Erjin Zhao, Quanyong Gu, Tianyi Cheng, Jianpeng Wu, Zhiliang Jiang, Ming Hu
  • Publication number: 20250095572
    Abstract: A pixel circuit, a pixel driving method, and a display device. The pixel circuit includes a light-emitting element, a driving circuit, and a data writing circuit; the data writing circuit is electrically connected to a first scanning terminal, a data line and a first terminal of the driving circuit, and is configured to write a data voltage provided by the data line into the first terminal of the driving circuit under control of a first scanning signal provided by the first scanning terminal during a data writing phase included in a refresh frame, and write a reset voltage provided by the data line into the first terminal of the driving circuit under control of the first scanning signal during a reset phase included in a hold frame; the driving circuit is configured to drive the light-emitting element under control of a potential of a control terminal thereof.
    Type: Application
    Filed: February 24, 2023
    Publication date: March 20, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbo Chen, Quanyong Gu, Ziyang Yu, Zhiliang Jiang, Ming Hu
  • Publication number: 20250087159
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate, each sub-pixel includes a pixel circuit, and the pixel circuit includes a first reset sub-pixel. The first reset sub-pixel is configured to apply a first reset voltage to a light-emitting element in response to a first reset control voltage to reversely bias the light-emitting element.
    Type: Application
    Filed: November 21, 2024
    Publication date: March 13, 2025
    Inventors: Hongting LU, Yuhsiung FENG, Xin MOU, Chenyu CHEN, Shuang ZHAO, Zhongliu YANG, Jing YANG, Wenbo CHEN