Patents by Inventor Zhenguo TIAN

Zhenguo TIAN 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: 20210272517
    Abstract: A pixel circuit, a display substrate, a display device and a driving method are provided. The pixel circuit includes a data writing sub-circuit and a driving sub-circuit, and the data writing sub-circuit is connected to a scan signal terminal, a control signal terminal, a data signal terminal and a drive sub circuit. The data writing sub-circuit is used to output a data signal from the data signal terminal to the control node in response to a control signal provided by the control signal terminal and a scan signal provided by the scan signal terminal. The driving sub-circuit is connected to the control node, a power signal terminal and a light-emitting element, respectively, and is used to drive the light-emitting element to emit light in response to a potential of the control node and a power signal provided by the power signal terminal.
    Type: Application
    Filed: April 21, 2020
    Publication date: September 2, 2021
    Inventors: Shuai Chen, Xiuzhu Tang, Zhi Zhang, Taoliang Tang, Qian Qian, Xuebo Liang, Zhenguo Tian, Xing Dong, Lijun Xiong, Qian Wang, Cuilian Li
  • Publication number: 20210272513
    Abstract: The present disclosure provides a pixel driving circuit and a driving method thereof, a display panel, and a display device.
    Type: Application
    Filed: April 7, 2020
    Publication date: September 2, 2021
    Inventors: Shuai Chen, Xiuzhu Tang, Taoliang Tang, Shuang Hu, Xing Dong, Zhenguo Tian, Meiling Tan, Huan Wang
  • Publication number: 20210233469
    Abstract: Provided are a pixel driving circuit, a pixel driving method and a display panel. The pixel driving circuit includes: a driving circuit, a light emitting circuit, a storage circuit, a reset circuit, a light emitting control circuit and a writing compensation circuit; a first electrode of the storage circuit is coupled to a first node, a second electrode of the storage circuit is coupled to a second node; the reset circuit adjusts voltages of the first node and the second node; the writing compensation circuit writes a data signal of a data line terminal and a compensation data into the driving circuit through an adjustment of the storage circuit; the light emitting control circuit writes a display current, a magnitude of which is related only to the data signal and a voltage of the first voltage terminal, to the light emitting circuit by controlling the driving circuit.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 29, 2021
    Inventors: Shuai CHEN, Xiuzhu TANG, Jianfeng YUAN, Hailong WU, Xing DONG, Zhenguo TIAN, Lijun XIONG, Xuebo LIANG, Xiaoke ZHOU, Jinjin CHEN, Tongguo MA
  • Publication number: 20210225226
    Abstract: A scan driving circuit and a driving method thereof, and a display device are disclosed. The scan driving circuit includes: a control circuit, a scanning circuit group and a first processing circuit group. The control circuit is configured to generate and output a keyword signal to the first processing circuit group, to control a scan order of respective scanning circuits in the scanning circuit group; the first processing circuit group is configured to generate a scan enable signal according to the keyword signal, and output the scan enable signal to a scanning circuit corresponding to the keyword signal in the scanning circuit group.
    Type: Application
    Filed: January 24, 2018
    Publication date: July 22, 2021
    Inventors: Shuai CHEN, Zhi ZHANG, Xiuzhu TANG, Heecheol KIM, Xing DONG, Zhenguo TIAN, Shuang HU, Taoliang TANG, Jingpeng ZHAO
  • Publication number: 20210209994
    Abstract: The present application discloses a shift-register circuit configured as one of a plurality of shift-register units cascaded in series. The shift-register circuit includes a pull-up sub-circuit coupled to a pull-up node, a first clock port, and an output port. The pull-up sub-circuit is configured to pass a first clock signal from the first clock port to the output port when the pull-up node is set to a turn-on voltage. Additionally, the shift-register circuit includes a chamfering sub-circuit coupled to the pull-up node, the first clock port, a chamfering clock port, and the output port. The chamfering sub-circuit is configured to pass a chamfering clock signal from the chamfering clock port to the output port. The chamfering clock signal is at the turn-on voltage simultaneously with the first clock signal and becomes a turn-off voltage slightly earlier in time than the first clock signal.
    Type: Application
    Filed: December 12, 2017
    Publication date: July 8, 2021
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., Chongqing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Xuebo Liang, Xiuzhu Tang, Qian Qian, Shuai Chen, Jingpeng Zhao, Taoliang Tang, Xing Dong, Lijun Xiong, Zhenguo Tian, Shuang Hu
  • Patent number: 11024399
    Abstract: A shift register unit, a gate drive circuit, a display device and a driving method are disclosed. A shift register unit includes an input circuit, a first node reset circuit, an output circuit and a touch noise reduction circuit. The input circuit is configured to control a level of a first node in response to an input signal; the first node reset circuit is configured to reset the first node in response to a reset signal; the output circuit is configured to output a driving signal to an output terminal under control of the level of the first node; and the touch noise reduction circuit is configured to reset the first node in response to a touch start signal.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: June 1, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuebo Liang, Zhi Zhang, Xiuzhu Tang, Shuai Chen, Jingpeng Zhao, Xing Dong, Qian Qian, Taoliang Tang, Lijun Xiong, Zhenguo Tian, Shuang Hu, Hui Li
  • Patent number: 10983620
    Abstract: A touch display module, a controlling method, a panel and a display device are provided in embodiments of the disclosure, all belong to the technical field of display technology, the touch display module including: a touch circuit, an auxiliary circuit, a base substrate, a plurality of electrode blocks and a plurality of electrode lines; the touch circuit is configured to provide the plurality of electrode lines with respective display signals at a display stage, and to provide the plurality of electrode lines with respective touch signals at a touch stage; and the auxiliary circuit is configured to provide the plurality of electrode lines with respective display signals at the display stage, and to stop providing the plurality of electrode lines with the respective display signals at the touch stage.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: April 20, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuebo Liang, Xiuzhu Tang, Shuai Chen, Shuang Hu, Xing Dong, Lijun Xiong, Zhenguo Tian, Taoliang Tang, Zhi Wang
  • Publication number: 20210065600
    Abstract: The present disclosure discloses a multiplex shift register unit and a driving circuit thereof, a display panel, and a display device. The multiplex shift register unit includes a shift register unit connected to an input terminal, a first power supply terminal, a second power supply terminal, a clock signal terminal, a reset terminal, and an output terminal respectively; and a multiplex unit connected to the output terminal, the first power supply terminal, the second power supply terminal, a first multiplex output terminal and a second multiplex output terminal respectively.
    Type: Application
    Filed: March 31, 2020
    Publication date: March 4, 2021
    Inventors: Zhenguo Tian, Hailong Wu, Xiuzhu Tang, Shuang Hu, Qiyuan Wei, Qi Li, Shuai Chen
  • Patent number: 10930228
    Abstract: A display driving circuit, a driving method thereof, and a display device are provided. The display driving circuit includes: a timing controller which is configured to acquire grayscale data of subpixels in a frame of display image row by row and output the grayscale data to the grayscale controller; a grayscale controller which is configured to receive grayscale data of each subpixel in each row of subpixels, and control at least a part of the plurality of reference grayscale voltage output terminals in the grayscale controller to output reference grayscale voltages according to the grayscale data of each subpixel in each row of subpixels; a source IC which is configured to generate a grayscale voltage according to the received reference grayscale voltages and input the grayscale voltage as a data voltage to a data line.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: February 23, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Chongqing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Zhenguo Tian, Jingpeng Zhao, Taoliang Tang, Zhi Zhang, Heecheol Kim, Taeyup Min
  • Patent number: 10930191
    Abstract: A display driving circuit includes a control sub-circuit and a gate drive sub-circuit connected to the control sub-circuit. The control sub-circuit is configured to: receive an effective display data enable signal; determine whether the effective display data enable signal is lost; and control each stage of shift register in the gate drive sub-circuit to output a disabling signal via an output terminal of the shift register in response to determining that the effective display data enable signal is lost.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: February 23, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhenguo Tian, Shuang Hu, Lijun Xiong, Shuai Chen, Taoliang Tang, Xing Dong, Xuebo Liang, Zhi Zhang
  • Publication number: 20210026515
    Abstract: The present disclosure provides a touch control display panel, a driving method thereof and a touch control display device. The touch control display panel includes a plurality of gate lines on a base substrate, a plurality of touch control lines above the plurality of gate lines and opposite to the plurality of gate lines, and a driving circuit, wherein the plurality of gate lines and the plurality of touch control lines extend along a same direction, and the driving circuit includes a timing controller, a control unit and a touch control driving unit. The timing controller is configured to output a gate driving signal to the control unit. The control unit is configured to generate touch control synchronization signal(s) according to the gate driving signal and output the touch control synchronization signal(s) to the touch control driving unit.
    Type: Application
    Filed: January 3, 2020
    Publication date: January 28, 2021
    Inventors: Zhenguo TIAN, Shuai CHEN, Shuang HU, Xiuzhu TANG, Hailong WU
  • Patent number: 10885848
    Abstract: Embodiments of the present disclosure provide a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit comprises: a light emitting element and a driving transistor, a gate of the driving transistor being electrically coupled to a second node, a drain of the driving transistor being electrically coupled to a first node, and a source of the driving transistor being electrically coupled to the light emitting element; a first controlling circuit electrically coupled to the second node; a second controlling circuit electrically coupled to the first node and the second node; a third controlling circuit electrically coupled to a first voltage signal terminal and the first node; a first energy storing circuit electrically coupled to the second node and a third node; a first adjusting circuit electrically coupled to the third node, a fourth node and a second voltage signal terminal.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: January 5, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hailong Wu, Xiuzhu Tang, Taoliang Tang, Shuai Chen, Xing Dong, Lijun Xiong, Zhenguo Tian, Qiyuan Wei, Shuang Hu
  • Patent number: 10825396
    Abstract: The present disclosure provides a pixel driving circuit and method thereof, a display driving circuit and method thereof, and a display panel. The pixel driving circuit includes: a first pixel driving sub-circuit configured to provide a driving signal to a driving signal output terminal in a first period and perform threshold voltage compensation on a second pixel driving sub-circuit in a second period under control of signals at a first scanning signal terminal, a first control signal terminal, and a first data signal terminal; and the second pixel driving sub-circuit configured to provide a driving signal to the driving signal output terminal in the second period and perform threshold voltage compensation on the first pixel driving sub-circuit in the first period under control of signals at a second scanning signal terminal, a second control signal terminal, and a second data signal terminal.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: November 3, 2020
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Xing Dong, Zhenguo Tian, Xuebo Liang, Ying Huang, Jianfeng Yuan
  • Patent number: 10810921
    Abstract: The present disclosure provides a GOA circuit, a method for driving the GOA circuit, and a display panel. The GOA circuit includes a plurality of GOA sub-circuits. Each GOA sub-circuit includes a plurality of cascaded shift register units. Each of the GOA sub-circuits is connected to an independent start signal terminal, and the start signals of different GOA sub-circuits are separated by a time interval for acquisition of touch signals.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: October 20, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Chongqing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Zhenguo Tian, Zhihui Wang, Shuai Chen, Shuang Hu, Lijun Xiong, Xing Dong, Xiuzhu Tang, Zhi Zhang, Taoliang Tang, Jingpeng Zhao
  • Patent number: 10789868
    Abstract: The present disclosure proposes a shift register circuit and a method for driving the same, a gate driving circuit and a method for driving the same, and a display apparatus. The shift register circuit comprises an input circuit, a reset circuit, a control circuit and a multi-output circuit.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: September 29, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhenguo Tian, Shuai Chen, Xiuzhu Tang, Shuang Hu, Lijun Xiong, Xing Dong, Taoliang Tang, Xuebo Liang, Zhi Zhang
  • Publication number: 20200286430
    Abstract: Embodiments of the present disclosure provide a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit comprises: a light emitting element and a driving transistor, a gate of the driving transistor being electrically coupled to a second node, a drain of the driving transistor being electrically coupled to a first node, and a source of the driving transistor being electrically coupled to the light emitting element; a first controlling circuit electrically coupled to the second node; a second controlling circuit electrically coupled to the first node and the second node; a third controlling circuit electrically coupled to a first voltage signal terminal and the first node; a first energy storing circuit electrically coupled to the second node and a third node; a first adjusting circuit electrically coupled to the third node, a fourth node and a second voltage signal terminal.
    Type: Application
    Filed: August 2, 2019
    Publication date: September 10, 2020
    Inventors: Hailong Wu, Xiuzhu Tang, Taoliang Tang, Shuai Chen, Xing Dong, Lijun Xiong, Zhenguo Tian, Qiyuan Wei, Shuang Hu
  • Publication number: 20200233514
    Abstract: A touch display module, a controlling method, a panel and a display device are provided in embodiments of the disclosure, all belong to the technical field of display technology, the touch display module including: a touch circuit, an auxiliary circuit, a base substrate, a plurality of electrode blocks and a plurality of electrode lines; the touch circuit is configured to provide the plurality of electrode lines with respective display signals at a display stage, and to provide the plurality of electrode lines with respective touch signals at a touch stage; and the auxiliary circuit is configured to provide the plurality of electrode lines with respective display signals at the display stage, and to stop providing the plurality of electrode lines with the respective display signals at the touch stage.
    Type: Application
    Filed: May 22, 2019
    Publication date: July 23, 2020
    Inventors: Xuebo Liang, Xiuzhu Tang, Shuai Chen, Shuang Hu, Xing Dong, Lijun Xiong, Zhenguo Tian, Taoliang Tang, Zhi Wang
  • Patent number: 10614769
    Abstract: A GOA circuit includes a plurality of GOA units. First input terminals of a first-level GOA unit to a (N/2)th-level GOA unit are coupled to a first signal terminal, and a first input terminal of any one of other GOA units is coupled to an output terminal of a (N/2)th-level GOA unit located in front of the any one of other GOA units. Second input terminals of a last-level GOA unit to a (N/2)th last-level GOA unit are coupled to a second signal terminal, and a second input terminal of any one of other GOA units is coupled to an output terminal of a (N/2)th-level GOA unit located behind the any one of other GOA units. N is the number of clock signals in one clock period. N/2 cascaded GOA units of the GOA circuit are included in a pull-up node potential holding unit, and output terminals of the N/2 cascaded GOA units are not coupled to gate lines.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: April 7, 2020
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Xing Dong, Zhenguo Tian, Xuebo Liang, Lijun Xiong, Xiuzhu Tang, Shuang Hu
  • Publication number: 20200082747
    Abstract: A display driving circuit includes a control sub-circuit and a gate drive sub-circuit connected to the control sub-circuit. The control sub-circuit is configured to: receive an effective display data enable signal; determine whether the effective display data enable signal is lost; and control each stage of shift register in the gate drive sub-circuit to output a disabling signal via an output terminal of the shift register in response to determining that the effective display data enable signal is lost.
    Type: Application
    Filed: November 5, 2018
    Publication date: March 12, 2020
    Inventors: Zhenguo TIAN, Shuang HU, Lijun XIONG, Shuai CHEN, Taoliang TANG, Xing DONG, Xuebo LIANG, Zhi ZHANG
  • Publication number: 20200074929
    Abstract: The present disclosure provides a pixel driving circuit and method thereof, a display driving circuit and method thereof, and a display panel. The pixel driving circuit includes: a first pixel driving sub-circuit configured to provide a driving signal to a driving signal output terminal in a first period and perform threshold voltage compensation on a second pixel driving sub-circuit in a second period under control of signals at a first scanning signal terminal, a first control signal terminal, and a first data signal terminal; and the second pixel driving sub-circuit configured to provide a driving signal to the driving signal output terminal in the second period and perform threshold voltage compensation on the first pixel driving sub-circuit in the first period under control of signals at a second scanning signal terminal, a second control signal terminal, and a second data signal terminal.
    Type: Application
    Filed: February 1, 2019
    Publication date: March 5, 2020
    Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Xing Dong, Zhenguo Tian, Xuebo Liang, Ying Huang, Jianfeng Yuan