Patents by Inventor Xiuzhu TANG

Xiuzhu 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: 11688317
    Abstract: A driving method and a driving device for a display panel and a display device are provided. The display panel includes data line groups and multiplexers, each data line group includes at least three data lines, each multiplexer successively couples the input terminal thereof to the data lines electrically in the data line group in each line scanning period; and for at least one data line group, the driving method includes: acquiring data voltages to be output to the data lines in the data line group in a current line scanning period; in response to that the data voltages are not completely equal to each other, successively outputting the data voltages to the input terminal of the multiplexer corresponding to the data line group, and controlling the multiplexer to electrically couple the input terminal thereof to the data line to receive the data voltages.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: June 27, 2023
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Chun Luo, Jinjin Chen
  • 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: 20230124102
    Abstract: A driving method and a driving device for a display panel and a display device are provided. The display panel includes data line groups and multiplexers, each data line group includes at least three data lines, each multiplexer successively couples the input terminal thereof to the data lines electrically in the data line group in each line scanning period; and for at least one data line group, the driving method includes: acquiring data voltages to be output to the data lines in the data line group in a current line scanning period; in response to that the data voltages are not completely equal to each other, successively outputting the data voltages to the input terminal of the multiplexer corresponding to the data line group and controlling the multiplexer to electrically couple the input terminal thereof to the data line to receive the data voltages.
    Type: Application
    Filed: November 5, 2019
    Publication date: April 20, 2023
    Inventors: Shuai CHEN, Zhi ZHANG, Xiuzhu TANG, Chun LUO, Jinjin CHEN
  • Publication number: 20230085261
    Abstract: The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.
    Type: Application
    Filed: November 21, 2022
    Publication date: March 16, 2023
    Inventors: Shuai CHEN, Xiuzhu TANG, Hailong WU, Jianfeng YUAN, Zhi ZHANG, Xuebo LIANG, Qian WANG, Qiyuan WEI, Qi LI
  • Patent number: 11538428
    Abstract: The present disclosure provides a shift register, a drive method thereof, and a gate drive circuit. The shift register includes an input circuit, a reset circuit, a first output circuit, and a second output circuit. The input circuit is configured to provide an input signal from an input terminal to a first node. The reset circuit is configured to provide a first voltage from a first voltage terminal to the first node under the control of a reset signal from a reset signal terminal. The first output circuit is configured to output from a first output terminal one of a first clock signal and a second clock signal as a first scan signal. The second output circuit is configured to output from a second output terminal the other of the first clock signal and the second clock signal as a second scan signal.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: December 27, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.
    Inventors: Shuai Chen, Xiuzhu Tang, Hailong Wu, Jianfeng Yuan, Zhi Zhang, Xuebo Liang, Qian Wang, Qiyuan Wei, Qi Li
  • 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: 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: 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: 11315461
    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: Grant
    Filed: March 31, 2020
    Date of Patent: April 26, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhenguo Tian, Hailong Wu, Xiuzhu Tang, Shuang Hu, Qiyuan Wei, Qi Li, Shuai Chen
  • 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: 11289022
    Abstract: The present application discloses a pixel driving circuit. The circuit includes an input sub-circuit configured to set a voltage level at a first node; a storage sub-circuit coupled between the first node and a second node; and a drive sub-circuit coupled to the first node and the second node and configured to drive light emission of a light-emitting device. Additionally, the circuit includes a charge sub-circuit coupled to the drive sub-circuit, and configured to charge the drive sub-circuit to latch a voltage level at the second node to be larger than a first threshold but smaller than a second threshold. Furthermore, the circuit includes an adjust sub-circuit coupled to a second node and coupled to the input sub-circuit at least via the first node, and configured to at least adjust voltage level at the second node to make the light-emitting device with an inverted polarity in one partial period.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: March 29, 2022
    Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Shuang Hu, Yanan Zhao, Chuan Li
  • Patent number: 11262871
    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: Grant
    Filed: January 3, 2020
    Date of Patent: March 1, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhenguo Tian, Shuai Chen, Shuang Hu, Xiuzhu Tang, Hailong Wu
  • Patent number: 11249586
    Abstract: The present application discloses a voltage-supply circuit including a voltage-supply sub-circuit coupled to a plurality of common-electrode blocks respectively via a plurality of signal lines in a display panel and configured to provide an initializing common-electrode voltage to each common-electrode block via a respective one signal line during an initialization period of a display time. The voltage-supply circuit further includes a voltage-feedback sub-circuit configured to collect a feedback voltage from the respective one signal line during the initialization period. Additionally, the voltage-supply circuit includes a voltage-comparison sub-circuit configured to compare the feedback voltage and a standard common-electrode voltage and to cause a generation of a trigger signal when a difference between the feedback voltage and the standard common-electrode voltage changes polarity.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: February 15, 2022
    Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenguo Tian, Shuang Hu, Shuai Chen, Xuebo Liang, Hong Chen, Xiuzhu Tang, Chuan Li, Yanan Zhao
  • 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: 11244624
    Abstract: A pixel circuit and a driving method therefor, a display substrate, and a display device are provided. The pixel circuit includes: a light-emitting control circuit, used to control a potential of a first node in response to a first scan signal from a first scan signal terminal and a data signal from a data signal terminal, output a direct current power signal provided by a direct current power terminal to a second node in response to a light-emitting control signal from a light-emitting control signal terminal, and control switching-on and switching-off between a third node and a light-emitting element; a compensation circuit, used to adjust the potential of the first node according to a potential of the second node; and a driving circuit, used to output a driving signal to the third node in response to the potential of the first node and the potential of the second node.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: February 8, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Xiuzhu Tang, Zhi Zhang, Fengwei Liu
  • Patent number: 11238826
    Abstract: The present disclosure provides a gate drive circuit, an array substrate, and a display device. The gate drive circuit includes cascaded shift registers, control circuits, level shifters, voltage stabilization circuits, and first exchanging circuits. The shift registers at respective stages output respective first signals. Each control circuit is configured to process the respective first signal to generate a respective second signal. Each level shifter is configured to convert the voltage level of the respective second signal to generate a respective third signal. Each voltage stabilization circuit is configured to stabilize the respective third signal. The stabilized third signal is outputted as a fourth signal. The first exchanging circuit is configured to enable any of the following: exchanging the first signals at two adjacent stages, exchanging the second signals at two adjacent stages, exchanging the third signals at two adjacent stages, and exchanging the fourth signals at two adjacent stages.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: February 1, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Xiuzhu Tang, Zhi Zhang, Xuebo Liang, Lijun Xiong, Qiyuan Wei, Qi Li, Meiling Tan, Jinjin Chen, Huan Wang
  • 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: 20210373732
    Abstract: The present application discloses a voltage-supply circuit including a voltage-supply sub-circuit coupled to a plurality of common-electrode blocks respectively via a plurality of signal lines in a display panel and configured to provide an initializing common-electrode voltage to each common-electrode block via a respective one signal line during an initialization period of a display time. The voltage-supply circuit further includes a voltage-feedback sub-circuit configured to collect a feedback voltage from the respective one signal line during the initialization period. Additionally, the voltage-supply circuit includes a voltage-comparison sub-circuit configured to compare the feedback voltage and a standard common-electrode voltage and to cause a generation of a trigger signal when a difference between the feedback voltage and the standard common-electrode voltage changes polarity.
    Type: Application
    Filed: October 31, 2018
    Publication date: December 2, 2021
    Applicants: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenguo Tian, Shuang Hu, Shuai Chen, Xuebo Liang, Hong Chen, Xiuzhu Tang, Chuan Li, Yanan Zhao
  • 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