Patents by Inventor Wanpeng TENG

Wanpeng TENG 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: 20240105091
    Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.
    Type: Application
    Filed: October 20, 2023
    Publication date: March 28, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Weixing Liu, Wei Qin, Kuanjun Peng, Tieshi Wang, Chunfang Zhang, Hui Zhang, Changfeng Li, Shunhang Zhang, Kai Hou, Hongrun Wang, Liwei Liu, Yunsik Im, Wanpeng Teng, Xiaolong Li, Kai Guo, Zhiqiang Xu
  • Publication number: 20240088328
    Abstract: A light-emitting device, a light-emitting substrate, and a method for manufacturing the light-emitting device. The light-emitting device includes at least one light-emitting structure. The light-emitting structure includes: a first semiconductor layer; a light-emitting layer; a second semiconductor layer, doping ions of the second semiconductor layer and a first semiconductor layer being oppositely charged; a barrier structure provided with an opening for exposing the second semiconductor layer, the orthographic projection of the opening on the base substrate being located in the orthographic projection of the light-emitting layer on the base substrate, and the area of the opening being smaller than that of the light-emitting layer; and a landing electrode located on the side of the barrier structure facing away from the second semiconductor layer, the landing electrode being in contact with the second semiconductor layer by means of the opening.
    Type: Application
    Filed: October 22, 2021
    Publication date: March 14, 2024
    Inventors: Bin QIN, Kuanjun PENG, Weixing LIU, Fangzhen ZHANG, Xue DONG, Jintao PENG, Wanpeng TENG, Xiaolong LI, Shuang SUN, Wanzhi CHEN, Guangcai YUAN, Qian JIA
  • Patent number: 11837133
    Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: December 5, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Wei Qin, Kuanjun Peng, Tieshi Wang, Chunfang Zhang, Hui Zhang, Changfeng Li, Shunhang Zhang, Kai Hou, Hongrun Wang, Liwei Liu, Yunsik Im, Wanpeng Teng, Xiaolong Li, Kai Guo, Zhiqiang Xu
  • Publication number: 20230274696
    Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is electrically connected to the first node, an enable signal terminal, a first voltage signal terminal and a second node, and is configured to transmit a first voltage signal received at the first voltage signal terminal to the second node. The light-emitting diode chip is electrically connected to the second node and a second voltage signal terminal. The light-emitting diode chip includes a plurality of light-emitting portions. The light-emitting diode chip is configured to drive the plurality of light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time.
    Type: Application
    Filed: November 22, 2021
    Publication date: August 31, 2023
    Inventors: Weixing LIU, Kuanjun PENG, Bin QIN, Xue DONG, Fangzhen ZHANG, Wanpeng TENG, Tieshi WANG, Wanzhi CHEN, Kai GUO, Chunfang ZHANG
  • Publication number: 20230129625
    Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.
    Type: Application
    Filed: January 28, 2021
    Publication date: April 27, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Weixing Liu, Wei Qin, Kuanjun Peng, Tieshi Wang, Chunfang Zhang, Hui ZHANG, Changfeng Li, Shunhang Zhang, Kai Hou, Hongrun Wang, Liwei Liu, Yunsik Im, Wanpeng Teng, Xiaolong Li, Kai Guo, Zhiqiang Xu
  • Publication number: 20230013848
    Abstract: A display panel has a display region and a fan-out lead region, the fan-out lead region is located within the display region. The display panel comprises a base, a pixel circuit layer, a plurality of fan-out leads disposed between the base and the pixel circuit layer and located in the fan-out lead region, and an electrical field shielding pattern disposed between the pixel circuit layer and a film layer in which the plurality of fan-out leads are located. The pixel circuit layer includes a plurality of pixel circuits, at least one pixel circuit is located in the fan-out lead region. At least one fan-out lead is electrically connected to the pixel circuits. Orthographic projection of active layer patterns of transistors of the pixel circuit located in the fan-out lead region on the base are located within an orthographic projection of the electric field shielding pattern on the base.
    Type: Application
    Filed: May 20, 2021
    Publication date: January 19, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lubin SHI, Wanpeng TENG, Liang CHEN, Bin QIN, Ke WANG, Jintao PENG, Fangzhen ZHANG, Kuanjun PENG
  • Patent number: 11393877
    Abstract: A display substrate and a fabrication method thereof, and a display device. The display substrate includes a first pixel unit and a second pixel unit. The first pixel unit includes a first electrode and a first light-emitting layer that are stacked; the second pixel unit includes a second electrode and a second light-emitting layer that are stacked; an effective light-emitting area of the first light-emitting layer is unequal to an effective light-emitting area of the second light-emitting layer; and in a direction directly facing a display side of the display substrate, a light-reflecting area of the first electrode that is exposed in the first pixel unit is equal to a light-reflecting area of the second electrode that is exposed in the second pixel unit. The display substrate may suppress a color shift defect.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: July 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiqiang Xu, Tieshi Wang, Wei Qin, Wanpeng Teng, Chuanxiang Xu
  • Publication number: 20220115455
    Abstract: The present disclosure relates to a display panel and a terminal device. The display panel includes a display region. At least a part of the display region is a transparent region. The transparent region has a plurality of pixel rows distributed along a column direction, and each of the plurality of pixel rows includes pixels and transparent portions arranged in a row direction. The pixel rows include first pixel rows and second pixel rows, transparent portions each arranged between two adjacent pixels in each of the first pixel rows are first transparent portions, and transparent portions each arranged between two adjacent pixels in each of the second pixel rows are second transparent portions. A width of each of the first transparent portions in the row direction is greater than a width of each of the second transparent portions in the row direction.
    Type: Application
    Filed: May 26, 2021
    Publication date: April 14, 2022
    Inventors: Wei QIN, Zhiqiang XU, Weixing LIU, Wanpeng TENG, Chunfang ZHANG
  • Publication number: 20220068206
    Abstract: A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.
    Type: Application
    Filed: March 26, 2021
    Publication date: March 3, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Zhiqiang Xu, Tieshi Wang, Wei Qin, Wanpeng Teng
  • Patent number: 11250782
    Abstract: A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Zhiqiang Xu, Tieshi Wang, Wei Qin, Wanpeng Teng
  • Patent number: 11238803
    Abstract: The present disclosure provides a pixel circuit and a method for driving the same, and a display panel. The pixel circuit includes a driving sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to transmit a first power voltage at a first power signal terminal to a second node. The light-emitting control sub-circuit is configured to: transmit a voltage at the second node and a second power voltage at the second power signal terminal to the first electrode of the first light-emitting element and the second electrode of the first light-emitting element respectively in a first period, to the first electrode of the second light-emitting element and the second electrode of the second light-emitting element respectively in a second period, and to the first electrode of the third light-emitting element and the second electrode of the third light-emitting element respectively in a third period.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: February 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Tieshi Wang, Zhiqiang Xu, Shengnan Li, Wanpeng Teng, Chunfang Zhang, Xiaolong Li, Wei Qin, Kai Guo, Kuanjun Peng
  • Patent number: 11217175
    Abstract: A pixel-driving circuit includes: a write-compensation sub-circuit coupled to a signal scanning terminal, a data terminal and a driving sub-circuit, and configured to, controlled with voltage from the signal scanning terminal, provide voltages of the data terminal to the driving sub-circuit for compensation; the light-emission control sub-circuit is coupled with the light-emission terminal, the first power source terminal and the driving sub-circuit and configured to provide voltages of the first power source terminal to the first terminal of the driving transistor controlled with voltage from the light-emission control terminal; the reset sub-circuit is coupled with the reset signal terminal, the initial voltage terminal, and the driving sub-circuit and to provide voltages of the initial voltage terminal to the gate of the driving transistor controlled with voltage from the reset signal terminal, causing the driving transistor to be in ON and OFF states respectively during the first and second initialization
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wanpeng Teng, Xueling Gao
  • Patent number: 11170701
    Abstract: An embodiment of the present disclosure provides a driving circuit, a driving method thereof, a display panel and a display device. The driving circuit includes a first transistor electrically connected between a signal input terminal and a light emitting device to be driven, a duration control circuit configured to provide a signal of a duration data signal terminal to a gate of the first transistor in response to a signal of a duration scanning signal terminal, and a latch circuit electrically connected with the gate of the first transistor and configured to latch the signal of the gate of the first transistor.
    Type: Grant
    Filed: October 12, 2019
    Date of Patent: November 9, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Wei Qin, Weixing Liu, Tieshi Wang, Kai Guo, Xiaolong Li, Kuanjun Peng, Zhiqiang Xu, Wanpeng Teng
  • Publication number: 20210327357
    Abstract: The present disclosure provides a pixel circuit and a method for driving the same, and a display panel. The pixel circuit includes a driving sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to transmit a first power voltage at a first power signal terminal to a second node. The light-emitting control sub-circuit is configured to: transmit a voltage at the second node and a second power voltage at the second power signal terminal to the first electrode of the first light-emitting element and the second electrode of the first light-emitting element respectively in a first period, to the first electrode of the second light-emitting element and the second electrode of the second light-emitting element respectively in a second period, and to the first electrode of the third light-emitting element and the second electrode of the third light-emitting element respectively in a third period.
    Type: Application
    Filed: July 22, 2020
    Publication date: October 21, 2021
    Inventors: Weixing Liu, Tieshi Wang, Zhiqiang Xu, Shengnan Li, Wanpeng Teng, Chunfang Zhang, Xiaolong Li, Wei Qin, Kai Guo, Kuanjun Peng
  • Patent number: 11138923
    Abstract: A pixel circuit, a driving method thereof and a display apparatus are provided. The pixel circuit comprises a control module, a short-circuit protection module, a drive transistor and a light-emitting device, wherein the short-circuit protection module is used for providing a data voltage to a gate of the drive transistor in response to a gate signal; a second pole of the drive transistor is connected to a positive pole of the light-emitting device, and a negative pole of the light-emitting device receives a second power supply voltage; the short-circuit protection module is used for providing a third power supply voltage to the gate of the drive transistor to turn off the drive transistor in response to the data voltage provided to the gate of the drive transistor and the second power supply voltage provided to the positive pole of the light-emitting device.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: October 5, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shengnan Li, Wei Qin, Tieshi Wang, Weixing Liu, Chunfang Zhang, Wanpeng Teng, Dongni Liu
  • Patent number: 11114061
    Abstract: The present disclosure relates to a light-emission control signal generating device and a display device. The light-emission control signal generating device includes: a state detection circuit configured to detect whether a current frame is a static frame or a dynamic frame and output an indication signal indicating the static frame or the dynamic frame; and a plurality of light emission control signal generation circuits; wherein the plurality of light emission control signal generation circuits are divided into a plurality of blocks, and individual blocks are input with different light emission enable signals based on the indication signal to generate light emission control signals.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: September 7, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueling Gao, Kuanjun Peng, Chengchung Yang, Zhiqiang Xu, Wei Qin, Tieshi Wang, Xiaolong Li, Shengnan Li, Wanpeng Teng
  • Publication number: 20210265439
    Abstract: The present disclosure provides a pixel compensation circuit and a manufacturing method thereof, an OLED array substrate and a manufacturing method thereof, and a display device. The pixel compensation circuit includes a first TFT and a second TFT on a substrate. The first TFT includes: a first electrode on the substrate, a first interlayer dielectric layer on a side of the first electrode away from the substrate and having an opening exposing at least a portion of the first electrode; a second electrode on a side of the first interlayer dielectric layer away from the first electrode; and an active layer extending from the second electrode to the first electrode. The second TFT includes: an active layer on the substrate; and a first electrode and a second electrode in a same layer and on a side of the active layer of the second TFT away from the substrate.
    Type: Application
    Filed: April 10, 2020
    Publication date: August 26, 2021
    Inventors: Jintao PENG, Yanan NIU, Kuanjun PENG, Kai GUO, Bin QIN, Xiaolong LI, Wanpeng TENG
  • Publication number: 20210233966
    Abstract: A display substrate and a fabrication method thereof, and a display device. The display substrate includes a first pixel unit and a second pixel unit. The first pixel unit includes a first electrode and a first light-emitting layer that are stacked; the second pixel unit includes a second electrode and a second light-emitting layer that are stacked; an effective light-emitting area of the first light-emitting layer is unequal to an effective light-emitting area of the second light-emitting layer; and in a direction directly facing a display side of the display substrate, a light-reflecting area of the first electrode that is exposed in the first pixel unit is equal to a light-reflecting area of the second electrode that is exposed in the second pixel unit. The display substrate may suppress a color shift defect.
    Type: Application
    Filed: April 1, 2019
    Publication date: July 29, 2021
    Inventors: Zhiqiang XU, Tieshi WANG, Wei QIN, Wanpeng TENG, Chuanxiang XU
  • Publication number: 20210225288
    Abstract: A pixel-driving circuit includes: a write-compensation sub-circuit coupled to a signal scanning terminal, a data terminal and a driving sub-circuit, and configured to, controlled with voltage from the signal scanning terminal, provide voltages of the data terminal to the driving sub-circuit for compensation; the light-emission control sub-circuit is coupled with the light-emission terminal, the first power source terminal and the driving sub-circuit and configured to provide voltages of the first power source terminal to the first terminal of the driving transistor controlled with voltage from the light-emission control terminal; the reset sub-circuit is coupled with the reset signal terminal, the initial voltage terminal, and the driving sub-circuit and to provide voltages of the initial voltage terminal to the gate of the driving transistor controlled with voltage from the reset signal terminal, causing the driving transistor to be in ON and OFF states respectively during the first and second initialization
    Type: Application
    Filed: December 9, 2019
    Publication date: July 22, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wanpeng TENG, Xueling GAO
  • Patent number: 11024231
    Abstract: A pixel driving circuit is provided. The pixel driving circuit includes an initialization circuit, a driving circuit, and a first light-emitting control circuit. A first terminal of the driving circuit is coupled to a power voltage terminal, a second terminal of the driving circuit is coupled to a light-emitting element via the first light-emitting control circuit. The initialization circuit is configured to write an initialization voltage to a control terminal of the driving circuit under control of an initialization control signal input from an initialization control line, so that the driving circuit brings a connection between the first and second terminals into a conducting state under control of the control terminal. The first light-emitting control circuit is configured to bring a connection between the second terminal and the light-emitting element into a conducting state under control of a first light-emitting control signal input from a first light-emitting control line.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: June 1, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueling Gao, Kuanjun Peng, Wei Qin, Wanpeng Teng