Patents by Inventor Xueling GAO
Xueling GAO 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: 20240112635Abstract: A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.Type: ApplicationFiled: December 11, 2023Publication date: April 4, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueling GAO, Chengchung YANG, Tieshi WANG, Jintao PENG
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Patent number: 11922879Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.Type: GrantFiled: March 31, 2023Date of Patent: March 5, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueling Gao, Kuanjun Peng, Chengchung Yang, Xiangxiang Zou, Wei Qin
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Patent number: 11869423Abstract: A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.Type: GrantFiled: January 14, 2019Date of Patent: January 9, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueling Gao, Chengchung Yang, Tieshi Wang, Jintao Peng
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Publication number: 20230309341Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.Type: ApplicationFiled: March 31, 2023Publication date: September 28, 2023Inventors: Xueling GAO, Kuanjun PENG, Chengchung YANG, Xiangxiang ZOU, Wei QIN
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Publication number: 20230206832Abstract: A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.Type: ApplicationFiled: January 14, 2019Publication date: June 29, 2023Inventors: Xueling GAO, Chengchung YANG, Tieshi WANG, Jintao PENG
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Patent number: 11682349Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.Type: GrantFiled: April 29, 2022Date of Patent: June 20, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueling Gao, Kuanjun Peng, Chengchung Yang, Xiangxiang Zou, Wei Qin
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Patent number: 11657759Abstract: A pixel circuit and a method of driving the same, and a display panel. The pixel circuit includes a drive circuit, a data writing circuit, a compensating circuit, a reset circuit and a first light emitting control circuit. The drive circuit is configured to control a drive current for driving a light emitting element to emit light; the data writing circuit is configured to write a data signal to the first terminal of the drive circuit; the compensating circuit is configured to compensate the drive circuit; the reset circuit is configured to apply a reset voltage to the control terminal of the drive circuit and the first terminal of the light emitting element; the first light emitting control circuit is configured to apply a first voltage of the first voltage terminal to the first terminal of the drive circuit.Type: GrantFiled: July 7, 2022Date of Patent: May 23, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Xueling Gao
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Patent number: 11651737Abstract: A circuit for driving a pixel includes a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second end connected to a third node; a writing circuit connected to a first scanning signal and the first node and configured to transmit a data signal to the first node; a reset circuit connected to a second scanning signal and configured to transmit a reference signal to the second node; a compensation circuit connected to a compensation control signal and configured to put through a connection between the second end and the control end of the driving transistor in response to the compensation control signal, wherein the compensation control signal is different from the first scanning signal and the second scanning signal; and an energy storage circuit connected between a first power end and the second node.Type: GrantFiled: April 22, 2022Date of Patent: May 16, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi Wang, Xueling Gao, Zhiqiang Xu, Chengchung Yang, Haoran Liu
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Publication number: 20230120967Abstract: The present disclosure provides a smart watch and a method for measuring heart rate information. The smart watch includes a dial, a watchband, and a processing device disposed on the dial or inside the watchband. The processing device includes an optical emitter configured to emit light; an optical receiver configured to receive reflected light, the reflected light being generated by the light emitted by the optical emitter irradiating a skin for conversion into an electrical signal; and a processor configured to process the electrical signal to obtain heart rate information of a user.Type: ApplicationFiled: December 16, 2022Publication date: April 20, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi WANG, Xueling GAO, Zhiqiang XU
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Patent number: 11620942Abstract: A pixel circuit, a driving method thereof and a display device are provided. The pixel circuit includes a drive circuit, a data writing circuit, a compensation-and-reset circuit, and a storage circuit. The drive circuit includes a control terminal, a first terminal and a second terminal, and is configured to control a driving current for driving a light-emitting element to emit light; the data writing circuit is configured to write a data signal to the control terminal of the drive circuit in response to a scanning signal; the compensation-and-reset circuit is configured to apply the reset voltage to the control terminal of the drive circuit in response to a compensation signal; the storage circuit is configured to store the data signal that is wrote and a threshold voltage, and to couple and adjust a voltage of the control terminal of the drive circuit.Type: GrantFiled: November 21, 2018Date of Patent: April 4, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chengchung Yang, Xueling Gao, Kuanjun Peng
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Patent number: 11547312Abstract: A smart watch and a method for measuring a pulse information are provided in the present disclosure. The smart watch includes a dial, a watchband, a blood vessel information collecting apparatus, and a processing apparatus. The watchband is connected with the dial. The blood vessel information collecting apparatus is disposed in the watchband and is configured to collect a blood vessel information from an inner side of a wrist of a user. The processing apparatus is connected with the blood vessel information collecting apparatus and is configured to receive and process the blood vessel information to obtain the pulse information of the user.Type: GrantFiled: May 17, 2019Date of Patent: January 10, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi Wang, Xueling Gao, Zhiqiang Xu
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Publication number: 20220335891Abstract: A pixel circuit and a method of driving the same, and a display panel. The pixel circuit includes a drive circuit, a data writing circuit, a compensating circuit, a reset circuit and a first light emitting control circuit. The drive circuit is configured to control a drive current for driving a light emitting element to emit light; the data writing circuit is configured to write a data signal to the first terminal of the drive circuit; the compensating circuit is configured to compensate the drive circuit; the reset circuit is configured to apply a reset voltage to the control terminal of the drive circuit and the first terminal of the light emitting element; the first light emitting control circuit is configured to apply a first voltage of the first voltage terminal to the first terminal of the drive circuit.Type: ApplicationFiled: July 7, 2022Publication date: October 20, 2022Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Xueling GAO
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Publication number: 20220262310Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.Type: ApplicationFiled: April 29, 2022Publication date: August 18, 2022Inventors: Xueling GAO, Kuanjun Peng, Chengchung Yang, Xiangxiang Zou, Wei Qin
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Publication number: 20220246098Abstract: A circuit for driving a pixel includes a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second end connected to a third node; a writing circuit connected to a first scanning signal and the first node and configured to transmit a data signal to the first node; a reset circuit connected to a second scanning signal and configured to transmit a reference signal to the second node; a compensation circuit connected to a compensation control signal and configured to put through a connection between the second end and the control end of the driving transistor in response to the compensation control signal, wherein the compensation control signal is different from the first scanning signal and the second scanning signal; and an energy storage circuit connected between a first power end and the second node.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Inventors: Tieshi WANG, Xueling GAO, Zhiqiang XU, Chengchung YANG, Haoran LIU
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Patent number: 11386838Abstract: A pixel circuit and a method of driving the same, and a display panel. The pixel circuit includes a drive circuit, a data writing circuit, a compensating circuit, a reset circuit and a first light emitting control circuit. The drive circuit is configured to control a drive current for driving a light emitting element to emit light; the data writing circuit is configured to write a data signal to the first terminal of the drive circuit; the compensating circuit is configured to compensate the drive circuit; the reset circuit is configured to apply a reset voltage to the control terminal of the drive circuit and the first terminal of the light emitting element; the first light emitting control circuit is configured to apply a first voltage of the first voltage terminal to the first terminal of the drive circuit.Type: GrantFiled: September 29, 2018Date of Patent: July 12, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Xueling Gao
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Patent number: 11373602Abstract: There are provided a pixel circuit and a method and apparatus for driving the same, an array substrate and a display apparatus. The pixel circuit includes: a driving sub-circuit and a switch sub-circuit coupled in series between a power signal terminal and a light emitting element, wherein the driving sub-circuit is configured to provide a driving signal to the light emitting element under control of a gate driving signal provided by a gate line, a data signal provided by a data line, and a power signal provided by a power signal terminal; and the switch sub-circuit is configured to control switch-on and switch-off of a signal path between the power signal terminal and the light emitting element under control of a switch signal provided by a switch signal terminal.Type: GrantFiled: May 13, 2019Date of Patent: June 28, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi Wang, Zhiqiang Xu, Xueling Gao, Chengchung Yang
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Patent number: 11348524Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.Type: GrantFiled: May 24, 2021Date of Patent: May 31, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueling Gao, Kuanjun Peng, Chengchung Yang, Xiangxiang Zou, Wei Qin
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Patent number: 11340511Abstract: A display panel, a method for preparing a display panel and a method for adjusting an intensity of ambient light reflected on a display panel are provided in embodiments of the disclosure. The display panel includes: a base substrate; a plurality of sub-pixel units (20) on the base substrate comprising a plurality of light emitting portions respectively; an electrochromic assembly on a light-emergent side of the plurality of light emitting portions; and a light intensity detector configured to detect an incident intensity of ambient light, and the electrochromic assembly comprises a plurality of electrochromic portions covering the plurality of light emitting portions, respectively; and transmittance of the plurality of electrochromic portions for ambient light varies with a change in the incident intensity of ambient light.Type: GrantFiled: October 25, 2019Date of Patent: May 24, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Qin, Xiaolong Li, Tieshi Wang, Jintao Peng, Xueling Gao, Yanan Niu, Kuanjun Peng, Shengnan Li
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Patent number: 11341918Abstract: A method of driving a pixel includes providing a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second connected to the third node end; a writing circuit connected a data signal end, a first scanning end and the first node; a first control circuit connected to a first power end, a light emitting control end and the first node; a reset circuit connected to a reference signal end, a second scanning end, and the second node; a compensation circuit connected between the second node and the third node; a second control circuit connected to the third node, a light emitting element, and the light emitting control end; and an energy storage circuit connected between the first power end and the second node. The second end of the light emitting element receives a second voltage signal.Type: GrantFiled: April 20, 2021Date of Patent: May 24, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi Wang, Xueling Gao, Zhiqiang Xu, Chengchung Yang, Haoran Liu
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Patent number: 11335265Abstract: The present disclosure relates to a pixel circuit. The pixel circuit may include a storage capacitor, an initialization sub-circuit and a light-emitting control sub-circuit. The initialization sub-circuit is configured to store an initial voltage of the initial voltage terminal in the first terminal of the storage capacitor under a control of a light-emitting control signal of the light-emitting control terminal; and the light-emitting control sub-circuit is configured to apply a first voltage of the first voltage terminal to the first terminal of the storage capacitor. The first voltage terminal and the initial voltage terminal are separated terminals.Type: GrantFiled: March 13, 2019Date of Patent: May 17, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueling Gao, Kuanjun Peng, Wei Qin