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).
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Publication number: 20240319311Abstract: A first electronic device indicates at least two second electronic devices to enable respective sound recording functions, and indicates a third electronic device to send an ultrasonic signal. After enabling the sound recording functions, the at least two second electronic devices determine a relative location relationship between each of the at least two second electronic devices and the third electronic device based on respectively detected ultrasonic signals, and then send the relative location relationship between each of the at least two second electronic devices and the third electronic device to the first electronic device. Finally, the first electronic device sends the relative location relationship between each of the at least two second electronic devices and the third electronic device to the at least two second electronic devices and the third electronic device.Type: ApplicationFiled: May 21, 2024Publication date: September 26, 2024Inventors: Yuan Tian, Qi Wang, Zhenguo Du
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Patent number: 11645977Abstract: 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: GrantFiled: April 21, 2020Date of Patent: May 9, 2023Assignees: 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
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Patent number: 11404024Abstract: 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: GrantFiled: March 29, 2019Date of Patent: August 2, 2022Assignees: 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
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Patent number: 11322082Abstract: 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: GrantFiled: September 11, 2018Date of Patent: May 3, 2022Assignees: 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
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Patent number: 11322063Abstract: 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: GrantFiled: January 24, 2018Date of Patent: May 3, 2022Assignees: 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
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Patent number: 11315496Abstract: A shift register unit and a driving method thereof, a gate drive circuit and a display device are provided. The shift register unit includes: an input circuit, connected to a pull-up node, and configured to charge the pull-up node according to an input signal; an output circuit, connected to the pull-up node and an output terminal, and configured to output an output signal to the output terminal under control of a voltage of the pull-up node; a reset circuit, connected to the pull-up node, and configured to reset the pull-up node; and a reset signal control circuit, connected to a first reset terminal and the reset circuit, and configured to generate and output a reset control signal according to a reset control input signal and a reset signal provided by the first reset terminal; the reset control signal is configured to control the reset circuit to perform a reset operation.Type: GrantFiled: January 14, 2019Date of Patent: April 26, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lijun Xiao, Zhenguo Tian, Yanan Zhao, Shaohong Gao, Zhiyou Liu, Ming Deng
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Patent number: 11315461Abstract: 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: GrantFiled: March 31, 2020Date of Patent: April 26, 2022Assignees: 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
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Patent number: 11302276Abstract: 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: GrantFiled: October 18, 2018Date of Patent: April 12, 2022Assignees: 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
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Patent number: 11262871Abstract: 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: GrantFiled: January 3, 2020Date of Patent: March 1, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhenguo Tian, Shuai Chen, Shuang Hu, Xiuzhu Tang, Hailong Wu
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Patent number: 11249586Abstract: 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: GrantFiled: October 31, 2018Date of Patent: February 15, 2022Assignees: 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
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Patent number: 11244593Abstract: 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: GrantFiled: December 12, 2017Date of Patent: February 8, 2022Assignees: 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
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Patent number: 11195454Abstract: The present disclosure provides a pixel driving circuit and a driving method thereof, a display panel, and a display device.Type: GrantFiled: April 7, 2020Date of Patent: December 7, 2021Assignees: 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
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Publication number: 20210373732Abstract: 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: ApplicationFiled: October 31, 2018Publication date: December 2, 2021Applicants: 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
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Publication number: 20210366432Abstract: 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: ApplicationFiled: March 29, 2019Publication date: November 25, 2021Inventors: Tae Yup MIN, Zhi ZHANG, Xiuzhu TANG, Shuai CHEN, Taoliang TANG, Zhenguo TIAN, Xuebo LIANG, Shuang HU, Lijun XIONG, Xing DONG
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Publication number: 20210358415Abstract: A shift register unit and a driving method thereof, a gate drive circuit and a display device are provided. The shift register unit includes: an input circuit, connected to a pull-up node, and configured to charge the pull-up node according to an input signal; an output circuit, connected to the pull-up node and an output terminal, and configured to output an output signal to the output terminal under control of a voltage of the pull-up node; a reset circuit, connected to the pull-up node, and configured to reset the pull-up node; and a reset signal control circuit, connected to a first reset terminal and the reset circuit respectively, and configured to generate and output a reset control signal according to a reset control input signal and a reset signal provided by the first reset terminal; and the reset control signal is configured to control the reset circuit to perform a reset operation.Type: ApplicationFiled: January 14, 2019Publication date: November 18, 2021Inventors: Lijun XIAO, Zhenguo TIAN, Yanan ZHAO, Shaohong GAO, Zhiyou LIU, Ming DENG
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Publication number: 20210358404Abstract: 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: ApplicationFiled: September 11, 2018Publication date: November 18, 2021Inventors: Shuang HU, Tae Yup MIN, Zhi ZHANG, Shuai CHEN, Qian QIAN, Xiuzhu TANG, Zhenguo TIAN, Jingpeng ZHAO, Xing DONG, Taoliang TANG, Lijun XIONG
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Publication number: 20210335301Abstract: 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: ApplicationFiled: October 18, 2018Publication date: October 28, 2021Inventors: Xuebo LIANG, Zhi ZHANG, Xiuzhu TANG, Jingpeng ZHAO, Shuai CHEN, Xing DONG, Qian QIAN, Taoliang TANG, Lijun XIONG, Zhenguo TIAN, Shuang HU, Jian YANG
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Publication number: 20210272513Abstract: The present disclosure provides a pixel driving circuit and a driving method thereof, a display panel, and a display device.Type: ApplicationFiled: April 7, 2020Publication date: September 2, 2021Inventors: Shuai Chen, Xiuzhu Tang, Taoliang Tang, Shuang Hu, Xing Dong, Zhenguo Tian, Meiling Tan, Huan Wang
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Publication number: 20210272517Abstract: 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: ApplicationFiled: April 21, 2020Publication date: September 2, 2021Inventors: Shuai Chen, Xiuzhu Tang, Zhi Zhang, Taoliang Tang, Qian Qian, Xuebo Liang, Zhenguo Tian, Xing Dong, Lijun Xiong, Qian Wang, Cuilian Li
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Publication number: 20210233469Abstract: 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: ApplicationFiled: April 8, 2020Publication date: July 29, 2021Inventors: Shuai CHEN, Xiuzhu TANG, Jianfeng YUAN, Hailong WU, Xing DONG, Zhenguo TIAN, Lijun XIONG, Xuebo LIANG, Xiaoke ZHOU, Jinjin CHEN, Tongguo MA