Patents by Inventor Jiguo WANG
Jiguo WANG 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: 11183102Abstract: The present disclosure provides a sub-pixel unit, a display panel, a display apparatus, and a driving method of the display apparatus, which belongs to the field of display technology. The sub-pixel unit includes a plurality of sub-pixels; any of the sub-pixels includes a display module, a control module, and a driving module; wherein the control module is connected to a second gate line, a data line, a first voltage end and a first node, and configured to receive a data signal on the data line under control of a signal on the second gate line, and control one of the data line and the first voltage end to be connected to the first node according to the received data signal; and the driving module is connected to a first gate line, the first node and the display module, and configured to drive the display module according to a signal on the first node under control of a signal on the first gate line.Type: GrantFiled: December 24, 2019Date of Patent: November 23, 2021Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuxuan Chen, Guangquan Wang, Xiuyun Chen, Zongze He, Pin Xiao, Yu Zhang, Feng Long, Jiguo Wang, Xiaoyan Yang
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Patent number: 11120767Abstract: The present disclosure provides a source driving circuit and a method for driving the same, and a display apparatus. The source driving circuit includes: an input sub-circuit, a first latch sub-circuit, a transmission sub-circuit, and a second latch sub-circuit, wherein the first latch sub-circuit has a first reset sub-circuit disposed therein, wherein the first reset sub-circuit is configured to receive a first reset control signal and reset the first latch sub-circuit according to the first reset control signal; and/or the second latch sub-circuit has a second reset sub-circuit disposed therein, wherein the second reset sub-circuit is configured to receive a second reset control signal and reset the second latch sub-circuit according to the second reset control signal.Type: GrantFiled: October 22, 2018Date of Patent: September 14, 2021Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiguo Wang, Jun Fan
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Patent number: 11100834Abstract: A gate driving sub-circuit, a driving method and a gate driving circuit are provided. The gate driving sub-circuit includes an input signal end, a shift signal output end, an inverted phase shift signal output end, a positive phase shift clock signal input end, an inverted phase shift clock signal input end, a first control clock signal input end, a second control clock signal input end, a first gate driving signal output end, a second gate driving signal output end, a shift register circuit and a control output circuit. The control output circuit includes a first control output sub-circuit and a second control output sub-circuit.Type: GrantFiled: November 12, 2018Date of Patent: August 24, 2021Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Jiguo Wang
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Publication number: 20210256929Abstract: A pixel circuit, which may include a first pixel unit having a first display driving circuit (12), a first pixel electrode (P1), and a first control circuit (11), and a second pixel unit having a second display driving circuit (22), a second pixel electrode (P2), and a second control circuit (21). The first control circuit (11) may be configured to adjust and latch a voltage of a first positive phase node (Q1) and the first display driving circuit (12). The first display driving circuit (12) may be configured to provide a first display driving voltage to the first pixel electrode (P1). The second control circuit (21) may be configured to adjust and latch a voltage of a second positive phase node (Q2) and the second display driving circuit (22). The second display driving circuit (22) may be configured to provide a second display driving voltage to the second pixel electrode (P2).Type: ApplicationFiled: September 20, 2019Publication date: August 19, 2021Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE Technology Group Co., Ltd.Inventors: Jiguo Wang, Jun Fan, Xiaoyan Yang, Yusheng Liu
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Patent number: 11011247Abstract: A source driving sub-circuit includes a shift register circuit and a latch circuit. The latch circuit includes a resetter and a latch. The resetter is coupled to an enabling signal terminal, a reset signal terminal and the latch. The latch is coupled to the shift register circuit and a data signal terminal. The latch is configured to receive signals output from the shift register circuit and at least in response to the signals output from the shift register circuit. And the resetter is configured to receive a signal provided from the enabling signal terminal and a signal provided from the reset terminal, and reset the at least one data signal latched by the latch in response to the signal provided from the enabling signal terminal.Type: GrantFiled: August 7, 2018Date of Patent: May 18, 2021Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiguo Wang, Jun Fan, Yishan Fu
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Patent number: 10950322Abstract: A shift register unit circuit is disclosed that includes a first node control circuit, a second node control circuit, and a plurality of output circuits. Each of the plurality of output circuits is connected to a respective output terminal and provides a gate drive signal to the respective output terminal. Also disclosed are a method of driving the shift register unit circuit, a gate drive circuit, and a display apparatus.Type: GrantFiled: September 4, 2017Date of Patent: March 16, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventors: Jun Fan, Jie Zhang, Jiguo Wang, Fuqiang Li
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Patent number: 10950319Abstract: A shift register and a corresponding driving method, a gate driving circuit and a display device, the shift registers includes an input and reset circuit, a first output circuit, a second output circuit, a first pull-down circuit and a second pull-down circuit; the first output circuit and the second output circuit output gate driving signals according to potentials at a first clock signal terminal and a second clock signal terminal respectively, the first pull-down circuit and the second pull-down circuit reset potentials at a pull up node, a first output terminal and a second output terminal according to potentials at a first pull-down node a second pull-down node respectively.Type: GrantFiled: September 14, 2018Date of Patent: March 16, 2021Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Shan, Jiguo Wang, Jun Fan
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Publication number: 20210074231Abstract: The present disclosure provides a pixel circuit and a driving method thereof, a display panel and a display device. The pixel circuit includes a switching circuit, an inverter, a potential maintaining circuit, and a charging circuit, the switching circuit writes data voltage signal into a first node under control of scanning signal, the first node is connection node of the switching circuit, the inverter, the potential maintaining circuit and the charging circuit; the inverter inverts potential of the first node and outputs inverted potential to a second node, the second node is connection node of the inverter and the charging circuit; the potential maintaining circuit maintains potential of the first node in response to the switching circuit being turned off; and the charging circuit controls display of a display unit according to potential of the first node and potential of the second node.Type: ApplicationFiled: December 23, 2019Publication date: March 11, 2021Inventors: Jiguo WANG, Jun FAN
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Patent number: 10923057Abstract: A pixel circuit and a display device are provided. The pixel circuit includes: a first inverter circuit having an input terminal connected to a first node and an output terminal connected to a second node; a second inverter circuit having an input terminal connected to the second node and an output terminal connected to a third node; a first switching circuit configured to disconnect a connection between the first node and the third node when a first scanning signal is at an active level; and a control circuit configured to control a level of at least one of the first node and the second node according to a level control signal when the first scanning signal is at an active level. Based on this, it can help to avoid the output signal abnormality of the latch inside the pixel and enhance the working stability of the pixel circuit.Type: GrantFiled: October 25, 2018Date of Patent: February 16, 2021Assignees: BOE Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Jiguo Wang
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Patent number: 10902811Abstract: The present disclosure provides a shift register, a GOA circuit, a display device, and a driving method. A shift register is provided which comprises: at least one input sub-circuit for charging a pull-up node; at least one output sub-circuit for outputting a respective clock signal; first reset sub-circuit(s) for pulling the potential of the respective signal output terminal down to a reference potential; a first noise reduction sub-circuit for performing noise reduction on the pull-up node through a signal input from the reference potential terminal; a second noise reduction sub-circuit for performing noise reduction on the pull-down node through a signal input from the reference potential terminal; and a second reset sub-circuit for controlling the potential of the pull-down node under control of a signal input from the reset clock signal input terminal.Type: GrantFiled: October 10, 2017Date of Patent: January 26, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventor: Jiguo Wang
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Publication number: 20200410920Abstract: The present disclosure provides a sub-pixel unit, a display panel, a display apparatus, and a driving method of the display apparatus, which belongs to the field of display technology. The sub-pixel unit includes a plurality of sub-pixels; any of the sub-pixels includes a display module, a control module, and a driving module; wherein the control module is connected to a second gate line, a data line, a first voltage end and a first node, and configured to receive a data signal on the data line under control of a signal on the second gate line, and control one of the data line and the first voltage end to be connected to the first node according to the received data signal; and the driving module is connected to a first gate line, the first node and the display module, and configured to drive the display module according to a signal on the first node under control of a signal on the first gate line.Type: ApplicationFiled: December 24, 2019Publication date: December 31, 2020Inventors: Yuxuan CHEN, Guangquan WANG, Xiuyun CHEN, Zongze HE, Pin XIAO, Yu ZHANG, Feng LONG, Jiguo WANG, Xiaoyan YANG
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Patent number: 10825397Abstract: The present disclosure relates to a shift register unit. The shift register unit includes a first input circuit configured to transmit a first voltage signal to a pull-up node, a pull-up circuit configured to transmit a first clock signal to a signal output terminal, a first pull-down control circuit configured to transmit a second clock signal to a pull-down node, a second pull-down control circuit configured to transmit a second voltage signal to the pull-down node, a pull-up control circuit configured to transmit the second voltage signal to the pull-up node, a pull-down circuit configured to transmit the second voltage signal to the signal output terminal, and a holding circuit configured to maintain the pull-up node at a low level and/or maintain the pull-down node at a high level under control of a second input.Type: GrantFiled: March 21, 2018Date of Patent: November 3, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., Ordos Yuansheng Optoelectronics Co., Ltd.Inventors: Wenwen Qin, Zhen Wang, Jian Sun, Xiaozhou Zhan, Jiguo Wang, Yun Qiao, Fei Huang, Han Zhang, Zhengkui Wang, Lele Cong
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Publication number: 20200286570Abstract: A shift register and a corresponding driving method, a gate driving circuit and a display device, the shift registers includes an input and reset circuit, a first output circuit, a second output circuit, a first pull-down circuit and a second pull-down circuit; the first output circuit and the second output circuit output gate driving signals according to potentials at a first clock signal terminal and a second clock signal terminal respectively, the first pull-down circuit and the second pull-down circuit reset potentials at a pull up node, a first output terminal a second output terminal according to potentials at a first pull-down node a second pull-down node respectively.Type: ApplicationFiled: September 14, 2018Publication date: September 10, 2020Inventors: Yue SHAN, Jiguo WANG, Jun FAN
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Publication number: 20200258464Abstract: The present disclosure provides a shift register, a GOA circuit, a display device, and a driving method. A shift register is provided which comprises: at least one input sub-circuit for charging a pull-up node; at least one output sub-circuit for outputting a respective clock signal; first reset sub-circuit(s) for pulling the potential of the respective signal output terminal down to a reference potential; a first noise reduction sub-circuit for performing noise reduction on the pull-up node through a signal input from the reference potential terminal; a second noise reduction sub-circuit for performing noise reduction on the pull-down node through a signal input from the reference potential terminal; and a second reset sub-circuit for controlling the potential of the pull-down node under control of a signal input from the reset clock signal input terminal.Type: ApplicationFiled: October 10, 2017Publication date: August 13, 2020Inventor: Jiguo WANG
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Publication number: 20200251173Abstract: A source driving sub-circuit includes a shift register circuit and a latch circuit. The latch circuit includes a resetter and a latch. The resetter is coupled to an enabling signal terminal, a reset signal terminal and the latch. The latch is coupled to the shift register circuit and a data signal terminal. The latch is configured to receive signals output from the shift register circuit and at least in response to the signals output from the shift register circuit. And the resetter is configured to receive a signal provided from the enabling signal terminal and a signal provided from the reset terminal, and reset the at least one data signal latched by the latch in response to the signal provided from the enabling signal terminal.Type: ApplicationFiled: August 7, 2018Publication date: August 6, 2020Inventors: Jiguo WANG, Jun FAN, Yishan FU
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Patent number: 10705367Abstract: An array substrate includes a base substrate, a plurality of first signal lines extending in a first direction, a plurality of second signal lines located on a different layer from the first signal lines and extending in a second direction intersecting the first direction, and a plurality of touch signal lines extending in the second direction disposed on the base substrate. Each touch signal line includes a first touch line segment and a second touch line segment, the first touch line segment disposed on the same layer as the first signal lines, and at least partially overlapping with at least one of the second signal lines in a direction perpendicular to a surface of the base substrate, the second touch line segment disposed on a different layer from the first signal lines, and the first touch line segment electrically connected with the second touch line segment through a first via.Type: GrantFiled: November 5, 2018Date of Patent: July 7, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhengkui Wang, Jian Sun, Fei Huang, Jiguo Wang, Yun Qiao, Xiaozhou Zhan, Han Zhang, Zhen Wang, Wenwen Qin, Lele Cong, Peng Liu, Jianjun Zhang
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Publication number: 20200160769Abstract: A gate driving sub-circuit, a driving method and a gate driving circuit are provided. The gate driving sub-circuit includes an input signal end, a shift signal output end, an inverted phase shift signal output end, a positive phase shift clock signal input end, an inverted phase shift clock signal input end, a first control clock signal input end, a second control clock signal input end, a first gate driving signal output end, a second gate driving signal output end, a shift register circuit and a control output circuit. The control output circuit includes a first control output sub-circuit and a second control output sub-circuit.Type: ApplicationFiled: November 12, 2018Publication date: May 21, 2020Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yishan FU, Jun FAN, Fuqiang LI, Jiguo WANG
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Patent number: 10636372Abstract: The present disclosure discloses a shift register, comprising: a first capacitor with a first terminal connected to a first pull-up node and a second terminal connected to a second pull-up node; a first thin-film transistor with a gate connected to the first pull-up node, a first electrode connected to the second pull-up node and a second electrode connected to a first clock signal input terminal; a second thin-film transistor with a gate connected to the second pull-up node, a first electrode connected to an output of the shift register, and a second electrode connected to a DC high level signal terminal; and an input control circuit The first capacitor, the first capacitor and the first thin-film transistor boost the voltage on the first pull-up node so as to make a clock signal inputted from the first clock signal input terminal pass to the second pull-up node.Type: GrantFiled: August 4, 2017Date of Patent: April 28, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventor: Jiguo Wang
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Publication number: 20200111399Abstract: Provided are a latch and a drive method thereof, a source drive circuit and a display device. The latch includes: a first latch circuit and a second latch circuit; the first latch circuit is connected to a first control signal terminal, a data signal terminal and a transmission node, and is configured to latch a data signal from the data signal terminal at a first latch node and transmit the data signal to the transmission node; and the second latch circuit is connected to the transmission node, a first switch signal terminal, a second switch signal terminal and an output node, and is configured to latch a data signal from the transmission node at a second latch node and output the data signal to the output node; a loop in the second latch circuit is turned off in response to the data signal written to the second latch node.Type: ApplicationFiled: December 9, 2019Publication date: April 9, 2020Inventors: Jiguo Wang, Jun Fan
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Publication number: 20200066228Abstract: The present disclosure provides a source driving circuit and a method for driving the same, and a display apparatus. The source driving circuit includes: an input sub-circuit, a first latch sub-circuit, a transmission sub-circuit, and a second latch sub-circuit, wherein the first latch sub-circuit has a first reset sub-circuit disposed therein, wherein the first reset sub-circuit is configured to receive a first reset control signal and reset the first latch sub-circuit according to the first reset control signal; and/or the second latch sub-circuit has a second reset sub-circuit disposed therein, wherein the second reset sub-circuit is configured to receive a second reset control signal and reset the second latch sub-circuit according to the second reset control signal.Type: ApplicationFiled: October 22, 2018Publication date: February 27, 2020Inventors: Jiguo Wang, Jun Fan