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).
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Publication number: 20210358413Abstract: 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: ApplicationFiled: July 24, 2018Publication date: November 18, 2021Applicants: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Shuang Hu, Yanan Zhao, Chuan Li
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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: 20210271142Abstract: An array substrate, a method for driving the array substrate, and a display device are provided. The array substrate includes: a plurality of data lines, a plurality of gate lines, and a plurality of pixel units arranged in an array, wherein each of the pixel units comprises one of one sub-pixel and a plurality of sub-pixels which are in the same row; sub-pixels comprised in pixel units which are in the same column are connected to the same one of the data lines; and two adjacent pixel units of pixel units which are in the same row are connected to different gate lines, and different sub-pixels in each of the pixel units are connected to different gate lines.Type: ApplicationFiled: May 18, 2020Publication date: September 2, 2021Inventors: Shuai Chen, Xiuzhu Tang
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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: 20210256910Abstract: 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: ApplicationFiled: April 21, 2020Publication date: August 19, 2021Inventors: Shuai Chen, Xiuzhu Tang, Zhi Zhang, Fengwei Liu
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Publication number: 20210256930Abstract: 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: ApplicationFiled: April 1, 2019Publication date: August 19, 2021Inventors: Shuai CHEN, Xiuzhu TANG, Zhi ZHANG, Xuebo LIANG, Lijun XIONG, Qiyuan WEI, Qi LI, Meiling TAN, Jinjin CHEN, Huan WANG
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Patent number: 11092853Abstract: The present disclosure relates to a display device, a liquid crystal display panel and a driving method for a liquid crystal display panel. The liquid crystal display panel includes: an array substrate including a plurality of sub-pixels having active display areas, each of the sub-pixels including a plurality of first electrodes, and a first slit being disposed between adjacent first electrodes; an opposite substrate facing the array substrate, wherein a first surface of the opposite substrate facing the array substrate includes at least a target area facing an edge area of the active display area; and a control electrode disposed in the target area and opposite to the first electrode, for generating an electric field in a target direction with the first electrode, so as to control liquid crystals between an edge area of the array substrate and the target area of the opposite substrate to be deflected.Type: GrantFiled: March 26, 2018Date of Patent: August 17, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanli Zhao, Xiaoji Li, Keguo Liu, Xiuzhu Tang, Xiaolong Liu, He Sun
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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
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Publication number: 20210225226Abstract: 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: ApplicationFiled: January 24, 2018Publication date: July 22, 2021Inventors: Shuai CHEN, Zhi ZHANG, Xiuzhu TANG, Heecheol KIM, Xing DONG, Zhenguo TIAN, Shuang HU, Taoliang TANG, Jingpeng ZHAO
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Publication number: 20210217374Abstract: 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: ApplicationFiled: March 1, 2019Publication date: July 15, 2021Applicants: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shuai CHEN, Xiuzhu TANG, Hailong WU, Jianfeng YUAN, Zhi ZHANG, Xuebo LIANG, Qian WANG, Qiyuan WEI, Qi LI
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Publication number: 20210209994Abstract: 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: ApplicationFiled: December 12, 2017Publication date: July 8, 2021Applicants: 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: 11054679Abstract: A display apparatus and a control method for controlling a display apparatus are provided. The display apparatus includes: a display panel including multiple rows of scan lines and multiple columns of data lines, the scan lines and the data lines defining multiple sub-pixel regions, a first view pixel and a second view pixel being provided in each sub-pixel region; and a view control device connected with display panel, the view control device configured to: identify the number of users on a user side of display panel; and control a driving voltage of the scan lines according to the number of the users, so that the display panel controls first view pixel and second view pixel according to driving voltage so as to display a first view mode or a second view mode. A visual angle in the first view mode is greater than a visual angle in the second view mode.Type: GrantFiled: August 9, 2019Date of Patent: July 6, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Gang Chen, Zhihui Wang, He Sun, Xiuzhu Tang, Guang Wang, Yanli Zhao, Xiaolong Liu, Shuo Yang, Di Wang, Yu Wang
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Patent number: 11024399Abstract: A shift register unit, a gate drive circuit, a display device and a driving method are disclosed. A shift register unit includes an input circuit, a first node reset circuit, an output circuit and a touch noise reduction circuit. The input circuit is configured to control a level of a first node in response to an input signal; the first node reset circuit is configured to reset the first node in response to a reset signal; the output circuit is configured to output a driving signal to an output terminal under control of the level of the first node; and the touch noise reduction circuit is configured to reset the first node in response to a touch start signal.Type: GrantFiled: November 15, 2018Date of Patent: June 1, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuebo Liang, Zhi Zhang, Xiuzhu Tang, Shuai Chen, Jingpeng Zhao, Xing Dong, Qian Qian, Taoliang Tang, Lijun Xiong, Zhenguo Tian, Shuang Hu, Hui Li
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Patent number: 11011089Abstract: The present application discloses a shift register unit and a method for driving the same, a gate driving circuit, an array substrate, and a display apparatus. The shift register unit includes an input sub-circuit; a first output sub-circuit configured to output a first output signal to an output signal terminal, so that the output signal terminal outputs a gate driving signal having a first valid level; and a second output sub-circuit configured to output a second output signal to the output signal terminal, so that the output signal terminal outputs a gate driving signal having a second valid level, wherein an absolute value of the second valid signal is greater than an absolute value of the first valid level.Type: GrantFiled: September 20, 2018Date of Patent: May 18, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xuebo Liang, Zhi Zhang, Xiuzhu Tang, Qian Qian, Taoliang Tang
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Patent number: 11004413Abstract: A power circuit of a display panel and a display panel. The power circuit comprises a sensing circuit and a voltage output circuit. The sensing circuit is configured to provide a sensing signal indicative of a type of an image to be displayed by the display panel. The voltage output circuit is electrically connected to common electrodes of the display panel and configured to receive the sensing signal and change potentials of some of the common electrodes in response to a change in the sensing signal.Type: GrantFiled: October 22, 2019Date of Patent: May 11, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanfei Ren, Jingpeng Zhao, Panpan Li, Xuebo Liang, Ting Yang, Weixing Shan, Xiuzhu Tang
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Patent number: 10983620Abstract: A touch display module, a controlling method, a panel and a display device are provided in embodiments of the disclosure, all belong to the technical field of display technology, the touch display module including: a touch circuit, an auxiliary circuit, a base substrate, a plurality of electrode blocks and a plurality of electrode lines; the touch circuit is configured to provide the plurality of electrode lines with respective display signals at a display stage, and to provide the plurality of electrode lines with respective touch signals at a touch stage; and the auxiliary circuit is configured to provide the plurality of electrode lines with respective display signals at the display stage, and to stop providing the plurality of electrode lines with the respective display signals at the touch stage.Type: GrantFiled: May 22, 2019Date of Patent: April 20, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuebo Liang, Xiuzhu Tang, Shuai Chen, Shuang Hu, Xing Dong, Lijun Xiong, Zhenguo Tian, Taoliang Tang, Zhi Wang
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Publication number: 20210065600Abstract: 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: ApplicationFiled: March 31, 2020Publication date: March 4, 2021Inventors: Zhenguo Tian, Hailong Wu, Xiuzhu Tang, Shuang Hu, Qiyuan Wei, Qi Li, Shuai Chen
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Patent number: 10915192Abstract: A method for driving a display panel, a display panel, and a display device are provided. The display panel includes: a first gate driver circuit, a second gate driver circuit, common electrodes in an array, data lines, and gate lines, where the gate lines include first and second gate lines alternately row by row in the extension direction of the data lines, the first gate driver circuit is connected with the first gate lines, the second gate driver circuit is connected with the second gate lines, and the common electrodes are reused as touch electrodes; and in one frame, a gate scan signal or an alternating-current touch scan signal is input respectively to the first gate lines and the second gate lines in different periods so that a display function can be enabled, but also a touch report rate can be improved.Type: GrantFiled: May 7, 2019Date of Patent: February 9, 2021Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jingpeng Zhao, Jieqiong Wang, Zhi Zhang, Guangquan Wang, Xiang Wang, Panpan Li, Yanfei Yan, Xiuzhu Tang, Shuai Chen
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Patent number: 10916320Abstract: A shift register unit includes a first output control circuit, a first output circuit, a second output control circuit, a second output circuit, a reset circuit, and a node set circuit. The node set circuit is configured to periodically transfer a first voltage having an inactive level to a first node within the shift register unit during being enabled.Type: GrantFiled: May 30, 2018Date of Patent: February 9, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Yuanbo Zhang, Zhihui Wang, Qian Qian, Lijun Xiong, Tao Zhou, Xing Dong