Patents by Inventor Taoliang Tang

Taoliang Tang 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).

  • Patent number: 11733806
    Abstract: Provided are a driving method, a gate drive unit and a display touch device. The driving method is applied to the gate drive unit in the display touch device. The gate drive unit includes at least one pull-down circuit. The pull-down circuit is coupled with a pull-up node and a pull-down voltage terminal, and is configured to control connection or disconnection between the pull-up node and the pull-down voltage terminal; one frame of image display time includes a display phase and a touch phase that are alternately set, and at least one of the touch phase is set between two adjacent display phases. The driving method includes: during the touch phase, controlling, by the at least one pull-down circuit, the disconnection between the pull-up node and the pull-down voltage terminal. The problem of a screen flashing phenomenon of existing display touch devices during the touch phase is solved.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: August 22, 2023
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuang Hu, Jingpeng Zhao, Yajie Bai, Taoliang Tang, Wentao Zhu, Hongxin Pan, Xing Dong, Rui Liu
  • Patent number: 11645977
    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: Grant
    Filed: April 21, 2020
    Date of Patent: May 9, 2023
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    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: 20220253192
    Abstract: Provided are a driving method, a gate drive unit and a display touch device. The driving method is applied to the gate drive unit in the display touch device. The gate drive unit includes at least one pull-down circuit. The pull-down circuit is coupled with a pull-up node and a pull-down voltage terminal, and is configured to control connection or disconnection between the pull-up node and the pull-down voltage terminal; one frame of image display time includes a display phase and a touch phase that are alternately set, and at least one of the touch phase is set between two adjacent display phases. The driving method includes: during the touch phase, controlling, by the at least one pull-down circuit, the disconnection between the pull-up node and the pull-down voltage terminal. The problem of a screen flashing phenomenon of existing display touch devices during the touch phase is solved.
    Type: Application
    Filed: November 26, 2020
    Publication date: August 11, 2022
    Inventors: Shuang HU, Jingpeng ZHAO, Yajie BAI, Taoliang TANG, Wentao ZHU, Hongxin PAN, Xing DONG, Rui LIU
  • Patent number: 11404024
    Abstract: A signal adjusting device and method, and a test equipment. The signal adjusting device includes: a level controller, a level circuit, a comparison circuit and a selecting circuit. The level circuit is electrically connected with the selecting circuit; the level controller is configured to perform a level adjustment to a first signal, so as to generate a level signal, and the generated level signal is outputted by the level circuit; the comparison circuit is configured to: determine that the level signal meets a preset condition, and generate and output a corresponding feedback signal to the selecting circuit, in response to determining that the level signal satisfies the preset condition; and the selecting circuit is configured to output, as an adjusted signal, the level signal corresponding to the feedback signal.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: August 2, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tae Yup Min, Zhi Zhang, Xiuzhu Tang, Shuai Chen, Taoliang Tang, Zhenguo Tian, Xuebo Liang, Shuang Hu, Lijun Xiong, Xing Dong
  • Patent number: 11322082
    Abstract: A pixel driving circuit includes a first switching element, a second switching element, a first compensation element, a second compensation element, a driving transistor, a capacitor, and a third switching element.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: May 3, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuang Hu, Tae Yup Min, Zhi Zhang, Shuai Chen, Qian Qian, Xiuzhu Tang, Zhenguo Tian, Jingpeng Zhao, Xing Dong, Taoliang Tang, Lijun Xiong
  • Patent number: 11322063
    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: Grant
    Filed: January 24, 2018
    Date of Patent: May 3, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Heecheol Kim, Xing Dong, Zhenguo Tian, Shuang Hu, Taoliang Tang, Jingpeng Zhao
  • Patent number: 11302276
    Abstract: A gate drive circuit, a touch display device and a driving method are provided. The gate drive circuit includes a plurality of cascaded shift register units and a voltage stabilization circuit. Each of the plurality of cascaded shift register units includes a touch scanning control terminal; and the voltage stabilization circuit is connected to a first shift register unit and at least one second shift register unit after the first shift register unit, of the plurality of cascaded shift register units, and configured to compensate a level of a first node of the group of second shift register units in response to the touch scanning control signal.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: April 12, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuebo Liang, Zhi Zhang, Xiuzhu Tang, Jingpeng Zhao, Shuai Chen, Xing Dong, Qian Qian, Taoliang Tang, Lijun Xiong, Zhenguo Tian, Shuang Hu, Jian Yang
  • Patent number: 11244593
    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: Grant
    Filed: December 12, 2017
    Date of Patent: February 8, 2022
    Assignees: 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: 11195454
    Abstract: The present disclosure provides a pixel driving circuit and a driving method thereof, a display panel, and a display device.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: December 7, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Xiuzhu Tang, Taoliang Tang, Shuang Hu, Xing Dong, Zhenguo Tian, Meiling Tan, Huan Wang
  • Publication number: 20210366432
    Abstract: A signal adjusting device and method, and a test equipment. The signal adjusting device includes: a level controller, a level circuit, a comparison circuit and a selecting circuit. The level circuit is electrically connected with the selecting circuit; the level controller is configured to perform a level adjustment to a first signal, so as to generate a level signal, and the generated level signal is outputted by the level circuit; the comparison circuit is configured to: determine that the level signal meets a preset condition, and generate and output a corresponding feedback signal to the selecting circuit, in response to determining that the level signal satisfies the preset condition; and the selecting circuit is configured to output, as an adjusted signal, the level signal corresponding to the feedback signal.
    Type: Application
    Filed: March 29, 2019
    Publication date: November 25, 2021
    Inventors: Tae Yup MIN, Zhi ZHANG, Xiuzhu TANG, Shuai CHEN, Taoliang TANG, Zhenguo TIAN, Xuebo LIANG, Shuang HU, Lijun XIONG, Xing DONG
  • Publication number: 20210358404
    Abstract: A pixel driving circuit and a pixel driving method and a display device are provided. The pixel driving circuit includes a first switching element, a second switching element, a first compensation element, a second compensation element, a driving transistor, a capacitor, and a third switching element.
    Type: Application
    Filed: September 11, 2018
    Publication date: November 18, 2021
    Inventors: Shuang HU, Tae Yup MIN, Zhi ZHANG, Shuai CHEN, Qian QIAN, Xiuzhu TANG, Zhenguo TIAN, Jingpeng ZHAO, Xing DONG, Taoliang TANG, Lijun XIONG
  • Publication number: 20210335301
    Abstract: A gate drive circuit, a touch display device and a driving method are provided. The gate drive circuit includes a plurality of cascaded shift register units and a voltage stabilization circuit. Each of the plurality of cascaded shift register units includes a touch scanning control terminal; and the voltage stabilization circuit is connected to a first shift register unit and at least one second shift register unit after the first shift register unit, of the plurality of cascaded shift register units, and configured to compensate a level of a first node of the group of second shift register units in response to the touch scanning control signal.
    Type: Application
    Filed: October 18, 2018
    Publication date: October 28, 2021
    Inventors: Xuebo LIANG, Zhi ZHANG, Xiuzhu TANG, Jingpeng ZHAO, Shuai CHEN, Xing DONG, Qian QIAN, Taoliang TANG, Lijun XIONG, Zhenguo TIAN, Shuang HU, Jian YANG
  • 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: 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: 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: 11011089
    Abstract: The present application discloses a shift register unit and a method for driving the same, a gate driving circuit, an array substrate, and a display apparatus. The shift register unit includes an input sub-circuit; a first output sub-circuit configured to output a first output signal to an output signal terminal, so that the output signal terminal outputs a gate driving signal having a first valid level; and a second output sub-circuit configured to output a second output signal to the output signal terminal, so that the output signal terminal outputs a gate driving signal having a second valid level, wherein an absolute value of the second valid signal is greater than an absolute value of the first valid level.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: May 18, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xuebo Liang, Zhi Zhang, Xiuzhu Tang, Qian Qian, Taoliang Tang
  • 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
  • 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