Patents by Inventor Yongxian Xie
Yongxian Xie 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: 20240127732Abstract: A shift-register unit, a grid driving circuit and a displaying device, which relates to the technical field of displaying. In the present disclosure, the oxide-semiconductor layers of the oxide thin-film transistors may be delimited into regions according to the total channel widths and the channel lengths required by the oxide thin-film transistors in the shift-register unit, wherein the sum of the widths of the independent semiconductor branches obtained by the delimitation is equal to the required total channel width. Accordingly, one oxide thin-film transistor can realize the required total channel width by using the one or more semiconductor branches, to ensure the normal operation of the oxide thin-film transistor, whereby the oxide-semiconductor layers of the different oxide thin-film transistors can be configured differently, to realize the purpose of reducing the border frame of the displaying device.Type: ApplicationFiled: September 21, 2022Publication date: April 18, 2024Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yongxian Xie, Zhixiang Zou, Feng Qu, Chuanjiang Tang, Tong Yang, Xiaoye Ma, Fengzhen Lv, Ran Zhang
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Patent number: 11710435Abstract: A shift register unit and a driving method thereof, a gate driving circuit, and a display device are provided. In the shift register unit, the input circuit inputs an input signal to a first node; the output circuit outputs an output signal to an output terminal; the first control circuit performs a first control on a level of a first control node; the first noise reduction control circuit controls a level of a second node; the second control circuit performs a second control on a level of a second control node; the second noise reduction control circuit controls a level of a third node; the first voltage-stabilizing circuit performs a third control on the level of the second control node, and the second control and the third control cause at least part of the second noise reduction control circuit to be in different bias states.Type: GrantFiled: October 18, 2019Date of Patent: July 25, 2023Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xingyi Liu, Yongxian Xie, Jideng Zhou, Fengzhen Lv
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Patent number: 11676524Abstract: The present disclosure provides a shift register, a gate driving circuit and a display panel, and belongs to the field of display technology. The shift register of the present disclosure includes: an input circuit configured to precharge and reset a pull-up node; one pull-down control circuit being electrically connected to one pull-down circuit through a pull-down node; the pull-down control circuit being configured to control a potential at the pull-down node under a first power voltage; each pull-down circuit being configured to pull down the potential at the pull-down node in response to a potential at the pull-up node; an output circuit configured to output a clock signal through a signal output terminal in response to the potential at the pull-up node; one first noise reduction circuit connected to one pull-down node.Type: GrantFiled: September 15, 2021Date of Patent: June 13, 2023Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yongxian Xie, Tong Yang, Feng Qu, Fengzhen Lv, Xianjie Shao, Rui Ma, Rui Li
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Publication number: 20230121015Abstract: A gate driving circuit includes: a pull-up signal output end connected to an input end of a charging circuitry in a shift register unit and configured to apply a pull-up signal to the shift register unit; a pull-down signal output end connected to an input end of a resetting circuitry in the shift register unit and configured to apply a pull-down signal to the shift register unit; and a current detection circuitry connected to the pull-up signal output end and configured to detect a current value outputted by the pull-up signal output end, and/or connected to the pull-down signal output end and configured to detect a current value outputted by the pull-down signal output end. The pull-up signal output end is further configured to output the pull-up signal adjusted in accordance with the current value detected by the current detection circuitry.Type: ApplicationFiled: August 12, 2019Publication date: April 20, 2023Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mindong ZHENG, Yongxian XIE, Qiang LIU, Yifeng ZOU
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Patent number: 11610559Abstract: The present disclosure discloses a shift register unit and a threshold voltage compensation method thereof, a driving circuit and a display apparatus. The shift register unit includes a cascaded output circuit coupled to a pull-up node, a clock signal input terminal, and a cascaded signal output terminal. The shift register unit is configured to transmit a clock signal from the clock signal input terminal to the cascaded signal output terminal under control of the pull-up node. A compensation circuit has a voltage output terminal coupled to the pull-up node, and is configured to provide an output voltage signal through the voltage output terminal during a blanking phase of a frame. The output voltage signal drives reverse drift of a threshold voltage of the cascaded output circuit.Type: GrantFiled: March 31, 2020Date of Patent: March 21, 2023Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xingyi Liu, Yongxian Xie, Wei Feng, Yanchun Lu, Jideng Zhou
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Publication number: 20230043196Abstract: The present disclosure provides a shift register, a gate driving circuit and a display panel, and belongs to the field of display technology. The shift register of the present disclosure includes: an input circuit configured to precharge and reset a pull-up node; one pull-down control circuit being electrically connected to one pull-down circuit through a pull-down node; the pull-down control circuit being configured to control a potential at the pull-down node under a first power voltage; each pull-down circuit being configured to pull down the potential at the pull-down node in response to a potential at the pull-up node; an output circuit configured to output a clock signal through a signal output terminal in response to the potential at the pull-up node; one first noise reduction circuit connected to one pull-down node.Type: ApplicationFiled: September 15, 2021Publication date: February 9, 2023Inventors: Yongxian XIE, Tong YANG, Feng QU, Fengzhen LV, Xianjie SHAO, Rui MA, Rui LI
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Patent number: 11335293Abstract: A shift register unit, a method of driving a shift register unit, a gate drive circuit, and a display device are provided. The shift register unit includes an input circuit, an output circuit, a first reset circuit, and a reset control circuit. The input circuit is configured to control a level of a first node; the output circuit is configured to output a clock signal to an output terminal; the first reset circuit is configured to reset the first node; and the reset control circuit is configured to input the first reset signal to the first reset circuit in response to a reset control signal and a reference signal, to turn on the first reset circuit and the reset control circuit is further configured to enable an amplitude of a level of the first reset signal to be larger than an amplitude of a level of the reference signal.Type: GrantFiled: February 18, 2019Date of Patent: May 17, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yongxian Xie, Yifeng Zou, Hui Wang, Mindong Zheng
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Patent number: 11328641Abstract: A shift register unit, a driving method thereof, a gate driving circuit, and a display device are provided. The shift register unit includes an input branch and a reset branch; the input branch is configured to form or disconnect a first path between a first scan voltage terminal and a pull-up node under control of a potential of a first control terminal. The reset branch is configured to form or disconnect a second path between a second scan voltage terminal and the pull-up node under control of a potential of a second control terminal.Type: GrantFiled: April 3, 2020Date of Patent: May 10, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.Inventors: Zhiyang He, Mindong Zheng, Youlu Li, Yongxian Xie, Qiang Liu, Hui Wang
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Patent number: 11295693Abstract: The present disclosure provides a gate driving circuit, a current adjusting method thereof, and a display device. The gate driving circuit includes at least one gate driving sub-circuit. Each gate driving sub-circuit includes an output circuit and a current limiting circuit. The output circuit is configured to output a gate driving signal. The current limiting circuit is electrically connected to the output circuit. The current limiting circuit is configured to limit a current magnitude of the gate driving signal.Type: GrantFiled: May 9, 2019Date of Patent: April 5, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xingyi Liu, Yongxian Xie, Chengying Cao, Jideng Zhou
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Publication number: 20210327384Abstract: A shift register unit, a method of driving a shift register unit, a gate drive circuit, and a display device are provided. The shift register unit includes an input circuit, an output circuit, a first reset circuit, and a reset control circuit. The input circuit is configured to control a level of a first node; the output circuit is configured to output a clock signal to an output terminal; the first reset circuit is configured to reset the first node; and the reset control circuit is configured to input the first reset signal to the first reset circuit in response to a reset control signal and a reference signal, to turn on the first reset circuit and the reset control circuit is further configured to enable an amplitude of a level of the first reset signal to be larger than an amplitude of a level of the reference signal.Type: ApplicationFiled: February 18, 2019Publication date: October 21, 2021Inventors: Yongxian XIE, Yifeng ZOU, Hui WANG, Mindong ZHENG
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Patent number: 11132934Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are provided. The shift register unit includes an input circuit, an output circuit, and a first node control circuit. The input circuit is configured to charge a first node in response to an input signal; the output circuit is configured to output an output signal at an output terminal under control of a level signal of the first node; and the first node control circuit is configured to receive a precharge control signal from a precharge control terminal and charge the first node in response to the precharge control signal before the output terminal outputs the output signal.Type: GrantFiled: August 16, 2019Date of Patent: September 28, 2021Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yongxian Xie, Jinliang Liu, Hui Wang, Miao Zhang
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Publication number: 20210233486Abstract: The present disclosure provides a gate driving circuit, a current adjusting method thereof, and a display device. The gate driving circuit includes at least one gate driving sub-circuit. Each gate driving sub-circuit includes an output circuit and a current limiting circuit. The output circuit is configured to output a gate driving signal. The current limiting circuit is electrically connected to the output circuit. The current limiting circuit is configured to limit a current magnitude of the gate driving signal.Type: ApplicationFiled: May 9, 2019Publication date: July 29, 2021Inventors: Xingyi Liu, Yongxian Xie, Chengying Cao, Jideng Zhou
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Publication number: 20210158737Abstract: A shift register unit, a driving method thereof, a gate driving circuit, and a display device are provided. The shift register unit includes an input branch and a reset branch; the input branch is configured to form or disconnect a first path between a first scan voltage terminal and a pull-up node under control of a potential of a first control terminal. The reset branch is configured to form or disconnect a second path between a second scan voltage terminal and the pull-up node under control of a potential of a second control terminal.Type: ApplicationFiled: April 3, 2020Publication date: May 27, 2021Inventors: Zhiyang HE, Mindong ZHENG, Youlu LI, Yongxian XIE, Qiang LIU, Hui WANG
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Publication number: 20210150969Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are provided. The shift register unit includes an input circuit, an output circuit, and a first node control circuit. The input circuit is configured to charge a first node in response to an input signal; the output circuit is configured to output an output signal at an output terminal under control of a level signal of the first node; and the first node control circuit is configured to receive a precharge control signal from a precharge control terminal and charge the first node in response to the precharge control signal before the output terminal outputs the output signal.Type: ApplicationFiled: August 16, 2019Publication date: May 20, 2021Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yongxian Xie, Jinliang Liu, Hui Wang, Miao Zhang
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Patent number: 10978168Abstract: A shift register unit, a method of driving the same, a gate driving circuit and a display device are provided. The shift register unit includes a pull-up node control circuit, a first pull-down node control circuit, a second pull-down node control circuit, a pull-down node switching control circuit, and a gate driving output circuit. The pull-down node switching control circuit is configured to control the first control voltage signal to be written into the first pull-down node and control the second control voltage signal to be written into the second pull-down node under the control of a frame reset control signal. The gate driving output circuit is configured to control a gate driving signal outputted by a gate driving signal output terminal under the control of the voltage signal of the pull-up node, the voltage signal of the first pull-down node, and the voltage signal of the second pull-down node.Type: GrantFiled: August 5, 2019Date of Patent: April 13, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tong Yang, Yongxian Xie
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Patent number: 10950320Abstract: A shift register unit including a first output circuit configured to transfer a clock signal at a clock signal terminal to a signal output terminal as an output signal in response to a first node being at an active potential, a second output circuit configured to transfer the clock signal at the clock signal terminal to a carry output terminal as a carry output signal in response to the first node being at the active potential, and a delay circuit configured to generate a delayed version of a carry input signal in response to the carry input signal at a carry input terminal being active, and to transfer an inactive voltage at a first voltage terminal to the signal output terminal in response to the delayed version of the carry input signal being active.Type: GrantFiled: August 8, 2019Date of Patent: March 16, 2021Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yongxian Xie, Hui Wang, Yifeng Zou
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Publication number: 20210035517Abstract: The present disclosure discloses a shift register unit and a threshold voltage compensation method thereof, a driving circuit and a display apparatus. The shift register unit includes a cascaded output circuit coupled to a pull-up node, a clock signal input terminal, and a cascaded signal output terminal. The shift register unit is configured to transmit a clock signal from the clock signal input terminal to the cascaded signal output terminal under control of the pull-up node. A compensation circuit has a voltage output terminal coupled to the pull-up node, and is configured to provide an output voltage signal through the voltage output terminal during a blanking phase of a frame. The output voltage signal drives reverse drift of a threshold voltage of the cascaded output circuit.Type: ApplicationFiled: March 31, 2020Publication date: February 4, 2021Inventors: Xingyi Liu, Yongxian Xie, Wei Feng, Yanchun Lu, Jideng Zhou
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Publication number: 20200402438Abstract: The present disclosure provides a shift register and a method of driving the same, a gate driving circuit, and a display apparatus. The shift register includes an input circuit, an output circuit, a reset circuit, a control circuit, and a pull-down circuit. The control circuit is configured to, in response to a potential at the pull-up node, transmit a reference signal received at a reference signal terminal to a first pull-down node and/or a second pull-down node under control of a first control signal received at a first control signal terminal and a second control signal received at a second control signal terminal.Type: ApplicationFiled: December 20, 2019Publication date: December 24, 2020Inventors: Yongxian Xie, Hui Wang, Fengzhen Lv, Ran Zhang, Cilong Luo, Ruiying Yang
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Patent number: 10748465Abstract: A gate drive circuit, a display device and a driving method are provided. The gate drive circuit includes a scan signal generation circuit and output control circuits in N stages. The scan signal generation circuit includes first output terminals in 2N stages, and is configured to output scan pulse signals in an order at the first output terminals in 2N stages; each of the output control circuits in N stages includes an input terminal, a first control terminal, a second control terminal, a second output terminal, and a bootstrap circuit, and is configured to control the bootstrap circuit, under control of a first control signal received by the first control terminal, an input signal received by the input terminal, and a second control signal received by the second control terminal, to output an output pulse signal with different pulse levels at the second output terminal.Type: GrantFiled: April 16, 2019Date of Patent: August 18, 2020Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yifeng Zou, Yongxian Xie, Xiong Xiong
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Patent number: 10699620Abstract: A gate drive circuit, a display device and a driving method are provided. The gate drive circuit includes a scan signal generation circuit and output control circuits in N stages. The scan signal generation circuit includes first output terminals in 2N stages, and is configured to output scan pulse signals in an order at the first output terminals in 2N stages; each of the output control circuits in N stages includes an input terminal, a first control terminal, a second control terminal, a second output terminal, and a bootstrap circuit, and is configured to control the bootstrap circuit, under control of a first control signal received by the first control terminal, an input signal received by the input terminal, and a second control signal received by the second control terminal, to output an output pulse signal with different pulse levels at the second output terminal.Type: GrantFiled: April 16, 2019Date of Patent: June 30, 2020Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yifeng Zou, Yongxian Xie, Xiong Xiong