Patents by Inventor Xingyao ZHOU
Xingyao ZHOU 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: 11961477Abstract: A pixel driving circuit, a display panel and a driving method are provided. The pixel driving circuit includes: a first power signal terminal receiving a first voltage signal and a second power signal terminal receiving a second voltage signal; a driving transistor configured to provide a driving current in a light-emitting stage; a light-emitting component, connected in series between the driving transistor and the second power signal terminal and configured to emit light in response to the driving current; a light-emitting controller connected in series between the first power signal terminal and the light-emitting component; and a bias unit, electrically connected between the third node and a second output terminal of a light-emitting control circuit, and in response to a first control signal, configured to transmit a first signal outputted by the light-emitting control circuit to a third node to adjust a bias state of the driving transistor.Type: GrantFiled: March 9, 2021Date of Patent: April 16, 2024Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Mengmeng Zhang, Xingyao Zhou
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Publication number: 20240081110Abstract: A display panel and a display device are provided. The display panel includes a display area and at least two non-display areas arranged adjacently along a first direction. The display area at least partially surrounds the non-display areas. Each non-display area includes at least one light-transmitting area and a wiring area, and the wiring area at least partially surrounds the at least one light-transmitting area. The display area includes pixel circuits and driving signal lines electrically connected with the pixel circuits. A driving signal line includes a first segment in the display area, a first connection line located in the wiring area, and a second segment located between the at least two non-display areas that are arranged adjacently. The first segment is connected to the second segment through the first connection line and the first segment is at least located at a side of the at least two non-display areas that are arranged adjacently.Type: ApplicationFiled: September 6, 2023Publication date: March 7, 2024Inventors: Qibing WEI, Peng ZHANG, Xingyao ZHOU, Gaojun HUANG, Lilian KUANG
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Patent number: 11925076Abstract: Provided are a display panel and a display device. The display panel includes a base substrate as well as, at a side of the base substrate, a plurality of sub-pixels arranged in an array, a power bus, a plurality of first power lines extending along a column direction and a plurality of second power lines extending along a row direction, where each of the plurality of first power lines is electrically connected to the plurality of the sub-pixels arranged along the column direction, and the plurality of first power lines and the plurality of second power lines are electrically connected in overlapping regions of vertical projection on the base substrate. The display panel further includes a plurality of connection units.Type: GrantFiled: December 30, 2020Date of Patent: March 5, 2024Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Zhe Zhao, Shuai Yang, Yue Li, Xingyao Zhou, Mengmeng Zhang
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Patent number: 11908394Abstract: Provided are a display panel, a driving method, and a display device. The display panel includes: a gate driving circuit, a pixel driving circuit, and a light-emitting component. The pixel driving circuit includes a driving transistor, a data writing module, a threshold compensation module, and a light-emitting control module. A transistor in the threshold compensation module is a P-type transistor and a transistor in the light-emitting control module is an N-type transistor, or the transistor in the threshold compensation module is an N-type transistor and the transistor in the light-emitting control module is P-type transistor. A control terminal of the threshold compensation module and a control terminal of the light-emitting control module are electrically connected to a same gate driving circuit.Type: GrantFiled: January 11, 2023Date of Patent: February 20, 2024Assignees: Wuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Mengmeng Zhang, Jieliang Li, Xingyao Zhou, Yue Li, Lilian Kuang
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Patent number: 11900863Abstract: A display panel and a display device, including a substrate, a circuit layer located at a side of the substrate, and a top light-shielding layer configured to receive a voltage signal. The circuit layer includes a light-emitting shift circuit, including a first output module and a control module. The first output module is electrically connected to a first node, a first fixed potential signal line, and a light-emitting control signal line and is configured to, in response to a voltage of the first node, transmit a light-emitting enable voltage provided by the first fixed-potential signal line to the light-emitting control signal line. The control module is connected to the first node and includes a control transistor. The top light-shielding layer is located at a side of the control transistor. In a direction perpendicular to the substrate, the top light-shielding layer overlaps with a channel of the control transistor.Type: GrantFiled: September 6, 2022Date of Patent: February 13, 2024Assignee: Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Mengjia He, Yana Gao, Zhi Liu, Yuying Cai, Xingyao Zhou
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Publication number: 20240005842Abstract: A display panel includes: a plurality of light-emitting pixels arranged in an array, a first shift register unit and a second shift register unit, wherein the first shift register unit is connected to data writing transistors in an ith row and an (i+1)th row and configured to provide a first controlling signal for the two adjacent rows of pixel circuits, and the data writing transistor is turned on in response to the first controlling signal; the second shift register unit is connected to threshold compensating transistors in the ith row and an (i?1)th row, and configured to provide a second controlling signal for the two adjacent rows of pixel circuits, and the threshold compensating transistor is turned on in response to the second controlling signal; and wherein a first turn-on period of the data writing transistor is partially overlapped with a second turn-on period of the threshold compensating transistor.Type: ApplicationFiled: September 29, 2022Publication date: January 4, 2024Applicants: Wuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Mengmeng ZHANG, Xingyao ZHOU, Yue Li
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Publication number: 20230418405Abstract: Display panel and display device are provided. The display panel includes an array substrate and a cover plate disposed opposite to the array substrate, touch electrode layers on a side of the cover plate facing the array substrate, and a plurality of first touch pads and a plurality of second touch pads disposed opposite to the plurality of the first touch pads. Each of the array substrate and the cover plate include a display area and a non-display area at least partially surrounding the display area. The non-display area of the array substrate includes a step area provided with bonding pads. The non-display area of the array substrate includes at least one irregularly-shaped area adjacent to the step area. A first touch pad is electrically connected to a second touch pad.Type: ApplicationFiled: September 30, 2022Publication date: December 28, 2023Applicant: Wuhan Tianma Micro-Electronics Co, Ltd. Shanghai Branch.Inventors: Qibing WEI, Peng ZHANG, Xingyao ZHOU, Wei LIU
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Publication number: 20230419904Abstract: Provided are a display panel, a method for driving a display panel, and a display apparatus. The display panel includes a light-emitting element, a pixel driver circuit, and a control circuit. The pixel driver circuit includes a driver transistor and a first light emission control switch. A working mode of the display panel includes a first mode. In the first mode, a working cycle of the pixel driver circuit includes a data writing phase and at least one data holding phase subsequent to the data writing phase. The data writing phase includes at least one first light-emitting period. The data holding phase includes at least one second light-emitting period. The control circuit controls a duration of a first one of the at least one first light-emitting period in the data writing phase to be less than a duration of one of the at least one second light-emitting period.Type: ApplicationFiled: September 8, 2023Publication date: December 28, 2023Applicants: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Jian KUANG, Mengmeng ZHANG, Xingyao ZHOU, Yana GAO
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Patent number: 11853502Abstract: Display panel and display device are provided. The display panel includes an array substrate and a cover plate disposed opposite to the array substrate, touch electrode layers on a side of the cover plate facing the array substrate, and a plurality of first touch pads and a plurality of second touch pads disposed opposite to the plurality of the first touch pads. Each of the array substrate and the cover plate include a display area and a non-display area at least partially surrounding the display area. The non-display area of the array substrate includes a step area provided with bonding pads. The non-display area of the array substrate includes at least one irregularly-shaped area adjacent to the step area. A first touch pad is electrically connected to a second touch pad.Type: GrantFiled: September 30, 2022Date of Patent: December 26, 2023Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Qibing Wei, Peng Zhang, Xingyao Zhou, Wei Liu
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Publication number: 20230402011Abstract: A display panel, a method for driving the same, and a display apparatus are provided. The display panel includes data signal lines and pixel circuits. The pixel circuit includes a driving module and a data voltage writing module. The data voltage writing module is connected between the data signal line and the input terminal of the driving module. The display panel has first and second phases when displaying one frame of an image. The first phase includes a data writing phase and a light-emitting phase. The second phase includes an adjusting phase and a light-emitting phase. During the data writing phase, the data voltage writing module is turned on, and the data signal line transmits the data voltage. During the adjusting phase, the data voltage writing module is turned on, and the data signal line transmits the adjusting voltage corresponding to the data voltage transmitted during the data writing phase.Type: ApplicationFiled: August 24, 2023Publication date: December 14, 2023Applicant: Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Jian Kuang, Mengmeng Zhang, Xingyao Zhou
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Publication number: 20230377508Abstract: A display panel has functional component regions arranged along a first direction and a display region at least partially surrounding the functional component regions. The display panel includes first signal lines located in the display region. One of the first signal lines has a least one part extending in the first direction, and the first signal lines are arranged in a second direction intersecting with the first direction. The first signal lines include a first-type signal line and a second-type signal line, and the first-type signal line at least partially surrounds the functional component regions. In the first direction, at least one second-type signal line is broken at two sides of one of the functional component region.Type: ApplicationFiled: November 23, 2022Publication date: November 23, 2023Applicants: Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch, WUHAN TIANMA MICROELECTRONICS CO., LTD.Inventors: Xingyao ZHOU, Qibing WEI, Peng ZHANG, Mengmeng ZHANG, Wei LIU, Kang YANG, Gaojun HUANG, Yana GAO
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Publication number: 20230368721Abstract: The display panel includes pixel groups including multiple sub-pixels; and driving signal lines. One driving signal line corresponds to at least one pixel group of the pixel groups, and multiple driving signal lines sequentially output a charging enabling level to drive corresponding pixel groups. The sub-pixel includes a first color sub-pixel that includes a first sub-pixel and a second sub-pixel. The first and second sub-pixels are arranged along an arrangement direction of the pixel group, and the second sub-pixel and the first sub-pixel are spaced by other first color sub-pixels whose number is not greater than a preset number. In a first mode, the display panel receives a noise signal, and a phase difference between charging enabling levels provided by the driving signal lines corresponding to the first sub-pixel and the second sub-pixel is non-integer times a noise cycle.Type: ApplicationFiled: July 20, 2023Publication date: November 16, 2023Applicants: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Zhe ZHAO, Yana GAO, Xingyao ZHOU, Mengmeng ZHANG, Zhi LIU, Shuai YANG, Chenguang SUN
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Publication number: 20230361065Abstract: A module and a substrate are provided in the present disclosure. The module includes an array substrate and a flexible circuit board. The array substrate includes a binding region including a first binding region and a second binding region; and in the binding region, the flexible circuit board is bound with the array substrate. In the first binding region, the array substrate includes a first conductive soldering pad; the flexible circuit board includes a second conductive soldering pad; and the first conductive soldering pad is electrically connected to the second conductive soldering pad. In the second binding region, the array substrate includes one or more of first soldering elements; the flexible circuit board includes one or more of second soldering elements; a first soldering element of the one or more of first soldering elements is fixed with a second soldering element of the one or more of second soldering elements.Type: ApplicationFiled: September 1, 2022Publication date: November 9, 2023Inventors: Qibing WEI, Peng ZHANG, Xingyao ZHOU, Wei LIU
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Patent number: 11810514Abstract: A display panel, a method for driving the same, and a display apparatus are provided. A pixel driving circuit includes a driving transistor, a data writing circuit, and an adjusting circuit. The driving transistor has a gate electrically connected to a first node, and first and second electrodes respectively electrically connected to a second node and a third node. An operating period of the pixel driving circuit comprises a data writing period including first and second adjusting stages and a data writing period between the first and second adjusting stages. A data writing circuit is configured to provide a data signal to the second node during the data writing period. An adjusting circuit is configured to provide a first adjusting signal to the second node or the third node during the first adjusting stage, and to provide a second adjusting signal to the second node during the second adjusting stage.Type: GrantFiled: July 12, 2022Date of Patent: November 7, 2023Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Yana Gao, Xingyao Zhou, Yue Li
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Patent number: 11804161Abstract: Display panel and display device are provided. The display panel includes a first light-transmitting group, a first non-display area, and a display area; and a plurality of pixel driving circuits and a plurality of drive signal lines. The first non-display area surrounds the first light-transmitting group, the display area surrounds the first non-display area, and the first light-transmitting group includes at least two first light-transmitting areas arranged along a first direction. The plurality of pixel driving circuits is in the display area, a pixel driving circuit of the plurality of pixel driving circuits includes a data writing module, and a drive signal line of the plurality of drive signal lines is electrically connected to a control terminal of the data writing module.Type: GrantFiled: December 12, 2022Date of Patent: October 31, 2023Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Yana Gao, Xingyao Zhou, Gaojun Huang
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Publication number: 20230335564Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes: a substrate, a pixel circuit arranged on one side of the substrate and a body part. The pixel circuit includes a driving transistor and a threshold compensation transistor, a first electrode of the threshold compensation transistor is connected to a gate of the driving transistor, and a second electrode of the threshold compensation transistor and a first electrode of the driving transistor are both connected to a connection part. The body part is electrically connected to a power supply voltage signal end. An orthographic projection of the connection part on the substrate at least partially overlaps with an orthographic projection of the body part on the substrate.Type: ApplicationFiled: June 15, 2023Publication date: October 19, 2023Applicants: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Xingyao ZHOU, Yana GAO, Mengjia HE, Wei LIU, Kang YANG, Yuantao WU
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Publication number: 20230316976Abstract: A display device including a display panel having a display area. The display panel includes pixel circuits located in the display area. Each pixel circuit includes a driving transistor and a voltage regulating module that is configured to adjust a node voltage of the driving transistor by a voltage provided by one voltage regulating signal line of voltage regulating signal lines. The pixel circuits have data refresh frequencies including first and second frequencies. The first frequency is greater than the second frequency. When one pixel circuit performs data refreshing at the first frequency, one voltage regulating signal line is configured to provide a first voltage, and when one pixel circuit performs data refreshing at the second frequency, one voltage regulating signal line is configured to provide a second voltage not equal to the first voltage.Type: ApplicationFiled: April 25, 2023Publication date: October 5, 2023Applicants: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Xingyao ZHOU, Yana GAO, Kang YANG, Wei LIU, Qijun YAO
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Patent number: 11769452Abstract: A display panel, a method for driving the same, and a display apparatus are provided. The display panel includes data signal lines and pixel circuits. The pixel circuit includes a driving module and a data voltage writing module. The data voltage writing module is connected between the data signal line and the input terminal of the driving module. The display panel has first and second phases when displaying one frame of an image. The first phase includes a data writing phase and a light-emitting phase. The second phase includes an adjusting phase and a light-emitting phase. During the data writing phase, the data voltage writing module is turned on, and the data signal line transmits the data voltage. During the adjusting phase, the data voltage writing module is turned on, and the data signal line transmits the adjusting voltage corresponding to the data voltage transmitted during the data writing phase.Type: GrantFiled: July 7, 2022Date of Patent: September 26, 2023Assignee: Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Jian Kuang, Mengmeng Zhang, Xingyao Zhou
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Publication number: 20230298526Abstract: Provided are display panel, method for driving same, and display device. Display panel includes pixel circuit and cascaded first shift circuits. Pixel circuit includes drive transistor and adjusting module electrically connected to first scan line, adjusting line and first electrode of drive transistor. First shift circuit is electrically connected to first scan line and includes first control module and first output module. First control module is electrically connected to first type-A clock line, first shift control line and first control node, and configured to write first shift control signal into first control node in response to first type-A clock signal from first type-A clock line. First output module is electrically connected to first control node, first type-B clock line and first scan line, and configured to write first type-B clock signal into first scan line in response to signal of first control node.Type: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Applicants: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Mengmeng Zhang, Gaojun Huang, Xingyao Zhou, Yue Li
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Publication number: 20230298513Abstract: Provided are a display panel, a driving method, and a display device. The display panel includes: a gate driving circuit, a pixel driving circuit, and a light-emitting component. The pixel driving circuit includes a driving transistor, a data writing module, a threshold compensation module, and a light-emitting control module. A control terminal of the threshold compensation module and a control terminal of the light-emitting control module are electrically connected to a same gate driving circuit. The light-emitting control module includes a first light-emitting control unit and a second light-emitting control unit. The pixel driving circuit further comprises a blocking module which is electrically connected between the first power signal terminal and the first terminal of the driving transistor, and is connected in series to the first light-emitting control unit.Type: ApplicationFiled: May 26, 2023Publication date: September 21, 2023Applicants: Wuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai BranchInventors: Mengmeng ZHANG, Jieliang LI, Xingyao ZHOU, Yue LI, Lilian KUANG