Patents by Inventor Yajie BAI
Yajie BAI 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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Patent number: 11948494Abstract: Disclosed in embodiments of the present disclosure are a driver chip and a display device. The driver chip includes two opposite long edges, and two opposite short edges connected to the long edges; the driver chip includes multiple output pins and multiple input pins; the output pins are close to one of the long edges; the input pins include first input pins, second input pins, and third input pins; the first input pins are close to the long edge opposite to the output pins; the second input pins are close to the short edges; the third input pins are close to the long edge and located on both sides of the output pins.Type: GrantFiled: May 17, 2021Date of Patent: April 2, 2024Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yajie Bai, Zhuo Xu, Jingpeng Zhao, Wentao Zhu
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Patent number: 11733806Abstract: 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: GrantFiled: November 26, 2020Date of Patent: August 22, 2023Assignees: 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
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Patent number: 11579667Abstract: An electrostatic discharge protection circuit, a display substrate and a display apparatus are disclosed. The electrostatic discharge protection circuit includes: a first conductive portion, having an end portion; and at least one electrostatic discharge portion, arranged on a same layer as the first conductive portion and spaced from the end portion of the first conductive portion, the at least one electrostatic discharge portion being configured to discharge electrostatic charges generated at the end portion of the first conductive portion.Type: GrantFiled: January 4, 2019Date of Patent: February 14, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhuo Xu, Yajie Bai, Xiaolin Wang, Tongguo Ma, Yongli Ge
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Publication number: 20230009464Abstract: Disclosed are a display substrate (10) and a display device. The display substrate (10) includes at least one irregularly-shaped pixel (103), and a shape of a boundary line of a side, proximal to a peripheral region (101b), of each irregularly-shaped pixel (103) matches with a shape of a boundary line (101a1) of an irregularly-shaped display region (101a) in a base substrate (101), such that the irregularly-shaped pixel (103) does not go beyond the irregularly-shaped display region (101a) of the display substrate (10), a narrow bezel of the display substrate (10) can be realized conveniently, and an image displayed at the boundary line (101a1) of the irregularly-shaped display region (101a) may be prevented from being in a zigzag shape, thereby ensuring a display effect of the display device.Type: ApplicationFiled: May 12, 2021Publication date: January 12, 2023Inventors: Zhuo XU, Yajie BAI, Xiaofeng MA, Haigang YANG, Chen WANG
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Patent number: 11538397Abstract: Disclosed are a first shift register, a driving method for the same, a gate driving circuit and a display device. The first shift register includes a first unit, M second units and N third units. A first signal output terminal of the first unit is connected with M second signal input terminals of the M second units. A second signal output terminal of each second unit is connected with third signal input terminals of N/M third units respectively. The first unit outputs a voltage of a first clock signal terminal to the first signal output terminal and a fourth signal output terminal under the control of a first signal input terminal and a second clock signal terminal and outputs a voltage of a first voltage terminal to the first signal output terminal and the fourth signal output terminal.Type: GrantFiled: September 27, 2021Date of Patent: December 27, 2022Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhuo Xu, Yajie Bai, Shuai Chen, Xiaofeng Ma, Hyungkyu Kim
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Patent number: 11520192Abstract: The present disclosure relates to an array substrate. The array substrate may include a base substrate; a first electrode layer on the base substrate, and at least one connection electrode at a periphery of the first electrode unit. The first electrode layer may include a plurality of first electrodes, each of the plurality of first electrodes may include at least one first electrode unit, the first electrode unit may include a plurality of strip electrodes, and a plurality of slits are between the plurality of strip electrodes. The plurality of strip electrodes are electrically connected to the connection electrode, and the connection electrode disconnects at one or more positions such that corresponding ends of one or more of the plurality of slits form openings at the one or more positions of the connection electrode.Type: GrantFiled: March 25, 2019Date of Patent: December 6, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xiaoyuan Wang, Wu Wang, Yan Fang, Yajie Bai, Ruilin Bi
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Publication number: 20220335877Abstract: Disclosed in embodiments of the present disclosure are a driver chip and a display device. The driver chip includes two opposite long edges, and two opposite short edges connected to the long edges; the driver chip includes multiple output pins and multiple input pins; the output pins are close to one of the long edges; the input pins include first input pins, second input pins, and third input pins; the first input pins are close to the long edge opposite to the output pins; the second input pins are close to the short edges; the third input pins are close to the long edge and located on both sides of the output pins.Type: ApplicationFiled: May 17, 2021Publication date: October 20, 2022Inventors: Yajie BAI, Zhuo XU, Jingpeng ZHAO, Wentao ZHU
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Patent number: 11443706Abstract: A shift register includes an input circuit, a compensation circuit, an output circuit, a pull-down control circuit, a pull-down circuit, and a reset circuit. During operation of a pixel driving circuit, if a display abnormality occurs in one or more pixels corresponding to the shift register, a compensation signal may be provided by the compensation circuit to a pull-up node according to specific condition of the display abnormality, so as to change a voltage of the pull-up node, and further change a delay time of waveform of the signal passing the switching element in the output circuit connected to the pull-up node.Type: GrantFiled: May 20, 2019Date of Patent: September 13, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.Inventors: Zhuo Xu, Hailong Wu, Yajie Bai, Haipeng Zhu, Min Ran, Peng Liang, Zhi Zhang
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Publication number: 20220253192Abstract: 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: ApplicationFiled: November 26, 2020Publication date: August 11, 2022Inventors: Shuang HU, Jingpeng ZHAO, Yajie BAI, Taoliang TANG, Wentao ZHU, Hongxin PAN, Xing DONG, Rui LIU
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Patent number: 11392002Abstract: An array substrate includes a base substrate; a data line and a common electrode line on the base substrate; and a first gate line and a second gate line on the base substrate, wherein both the first gate line and the second gate line cross both the data line and the common electrode line to define a sub-pixel. The sub-pixel includes: a pixel electrode; a common electrode; and an insulating layer between the pixel electrode and the common electrode. The common electrode includes a plurality of slits, and the slits extend in the same direction as the data line. The slits include a first slit close to the data line, the pixel electrode includes a first side surface close to the data line, and an orthographic projection of the first side surface on the base substrate is located within an orthographic projection of the first slit on the base substrate.Type: GrantFiled: August 27, 2019Date of Patent: July 19, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaoyuan Wang, Wu Wang, Yan Fang, Ruilin Bi, Yajie Bai, Yujie Gao, Seungmin Lee
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Publication number: 20220180797Abstract: Disclosed are a first shift register, a driving method for the same, a gate driving circuit and a display device. The first shift register includes a first unit, M second units and N third units. A first signal output terminal of the first unit is connected with M second signal input terminals of the M second units. A second signal output terminal of each second unit is connected with third signal input terminals of N/M third units respectively. The first unit outputs a voltage of a first clock signal terminal to the first signal output terminal and a fourth signal output terminal under the control of a first signal input terminal and a second clock signal terminal and outputs a voltage of a first voltage terminal to the first signal output terminal and the fourth signal output terminal.Type: ApplicationFiled: September 27, 2021Publication date: June 9, 2022Inventors: Zhuo XU, Yajie BAI, Shuai CHEN, Xiaofeng MA, Hyungkyu KIM
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Patent number: 11270622Abstract: A shift register unit, a driving device, a display device and a driving method are disclosed, The shift register unit includes a first circuit unit and a second circuit unit; the first circuit unit includes an input terminal, a reset terminal, a clock signal terminal, a first voltage terminal, a second voltage terminal and a first output terminal, and is configured to output a first output signal of the shift register unit from the first output terminal; the second circuit unit includes a third voltage terminal, a fourth voltage terminal and a second output terminal, and is configured to output a second output signal of the shift register unit from the second output terminal, at least under the control of the first output signal; and the second output signal and the first output signal are mutually phase-inverted signals.Type: GrantFiled: April 27, 2018Date of Patent: March 8, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhuo Xu, Yajie Bai, Hailong Wu, Yan Zhou, Peng Liang, Min Ran, Haipeng Zhu
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Patent number: 11232846Abstract: The present disclosure provides a gate drive unit, a driving method thereof and a gate drive circuit. The gate drive unit includes a shift register and a plurality of output control modules. Each of the output control modules is connected to a corresponding clock scanning signal line and a corresponding first scanning signal output terminal, respectively. Each of the output control modules includes a first output control submodule and an output reset submodule. The first output control submodule is connected to a signal output terminal of the shift register, the corresponding clock scanning signal line and the corresponding first scanning signal output terminal, and configured to send a clock scanning signal of the corresponding clock scanning signal line to the corresponding first scanning signal output terminal, under control of a signal outputted by the signal output terminal of the shift register.Type: GrantFiled: November 15, 2018Date of Patent: January 25, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhuo Xu, Yuanbo Zhang, Yajie Bai, Heecheol Kim, Peng Liang, Hailong Wu, Yi Dan
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Patent number: 11221699Abstract: A shift register, a driving method thereof and a device are provided. A shift register sub-circuit outputs a gate scanning signal, to dive gate lines. The shift register sub-circuit outputs a touch scanning signal to a touch control circuit, so that the touch control circuit conducts a touch electrode with a touch detection signal terminal in response to the touch scanning signal, and thus, touch driving may be performed. Therefore, the shift register provided by the embodiment of the disclosure is not only capable of realizing scanning driving, but also capable of realizing the touch driving of touch electrodes. In addition, the number of arranged touch detection lines may be reduced, and furthermore, the area of a Fan-out region and the area of a non-display region are reduced.Type: GrantFiled: January 16, 2019Date of Patent: January 11, 2022Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yajie Bai, Zhuo Xu, Jingpeng Zhao, Wu Wang, Xiaoyuan Wang, Ruilin Bi
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Publication number: 20220005428Abstract: A shift register includes an input circuit, a compensation circuit, an output circuit, a pull-down control circuit, a pull-down circuit, and a reset circuit. During operation of a pixel driving circuit, if a display abnormality occurs in one or more pixels corresponding to the shift register, a compensation signal may be provided by the compensation circuit to a pull-up node according to specific condition of the display abnormality, so as to change a voltage of the pull-up node, and further change a delay time of waveform of the signal passing the switching element in the output circuit connected to the pull-up node.Type: ApplicationFiled: May 20, 2019Publication date: January 6, 2022Inventors: Zhuo XU, Hailong WU, Yajie BAI, Haipeng ZHU, Min RAN, Peng LIANG, Zhi ZHANG
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Publication number: 20220004063Abstract: The present disclosure relates to an array substrate. The array substrate may include a base substrate; a first electrode layer on the base substrate, and at least one connection electrode at a periphery of the first electrode unit. The first electrode layer may include a plurality of first electrodes, each of the plurality of first electrodes may include at least one first electrode unit, the first electrode unit may include a plurality of strip electrodes, and a plurality of slits are between the plurality of strip electrodes. The plurality of strip electrodes are electrically connected to the connection electrode, and the connection electrode disconnects at one or more positions such that corresponding ends of one or more of the plurality of slits form openings at the one or more positions of the connection electrode.Type: ApplicationFiled: March 25, 2019Publication date: January 6, 2022Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaoyuan Wang, Wu Wang, Yan Fang, Yajie Bai, Ruilin Bi
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Publication number: 20210233939Abstract: An array substrate, a manufacturing method thereof, a display device, and a mask are provided. The array substrate includes a base substrate; a first conductive layer located on the base substrate; and an organic layer located on a side of the first conductive layer away from the base substrate, the peripheral region includes at least one bonding region in each bonding region, the first conductive layer includes multiple wires arranged at intervals, the organic layer includes a first opening exposing the wires, the first opening includes an edge intersected with an extension direction of each wires, and the organic layer further includes a zigzag-shaped groove connected with the edge; in a direction perpendicular to the base substrate, a depth of the zigzag-shaped groove is less than a thickness of the organic layer, an orthographic projection of the zigzag-shaped groove on a plane parallel with the base substrate is zigzag-shaped.Type: ApplicationFiled: December 13, 2019Publication date: July 29, 2021Inventors: Xiaoyuan WANG, Yan FANG, Wu WANG, Yajie BAI, Ruilin BI, Shengxue WU
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Publication number: 20210225251Abstract: A shift register unit, a driving device, a display device and a driving method are disclosed. The shift register unit includes a first circuit unit and a second circuit unit; the first circuit unit includes an input terminal, a reset terminal, a clock signal terminal, a first voltage terminal, a second voltage terminal and a first output terminal, and is configured to output a first output signal of the shift register unit from the first output terminal; the second circuit unit includes a third voltage terminal, a fourth voltage terminal and a second output terminal, and is configured to output a second output signal of the shift register unit from the second output terminal, at least under the control of the first output signal; and the second output signal and the first output signal are mutually phase-inverted signals.Type: ApplicationFiled: April 27, 2018Publication date: July 22, 2021Inventors: Zhuo XU, Yajie BAI, Hailong WU, Yan ZHOU, Peng LIANG, Min RAN, Haipeng ZHU
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Publication number: 20210223831Abstract: An electrostatic discharge protection circuit, a display substrate and a display apparatus are disclosed. The electrostatic discharge protection circuit includes: a first conductive portion, having an end portion; and at least one electrostatic discharge portion, arranged on a same layer as the first conductive portion and spaced from the end portion of the first conductive portion, the at least one electrostatic discharge portion being configured to discharge electrostatic charges generated at the end portion of the first conductive portion.Type: ApplicationFiled: January 4, 2019Publication date: July 22, 2021Inventors: Zhuo XU, Yajie BAI, Xiaolin WANG, Tongguo MA, Yongli GE
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Publication number: 20210223895Abstract: A shift register, a driving method thereof and a device are provided. A shift register sub-circuit outputs a gate scanning signal, to dive gate lines. The shift register sub-circuit outputs a touch scanning signal to a touch control circuit, so that the touch control circuit conducts a touch electrode with a touch detection signal terminal in response to the touch scanning signal, and thus, touch driving may be performed. Therefore, the shift register provided by the embodiment of the disclosure is not only capable of realizing scanning driving, but also capable of realizing the touch driving of touch electrodes. In addition, the number of arranged touch detection lines may be reduced, and furthermore, the area of a Fan-out region and the area of a non-display region are reduced.Type: ApplicationFiled: January 16, 2019Publication date: July 22, 2021Inventors: Yajie BAI, Zhuo XU, Jingpeng ZHAO, Wu WANG, Xiaoyuan WANG, Ruilin BI