Patents by Inventor YIHUA ZHU
YIHUA ZHU 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: 20200286425Abstract: Provided are a pixel driving circuit, a display panel and a driving method, the pixel driving circuit includes a first initialization device, a first threshold compensation device, a first data writing device, a first light emitting control device and a light emitting adjustment device. The first initialization device includes a first initialization signal terminal, a first initialization control terminal and a first scanning signal terminal, and is electrically connected to a first node and a second node. The first threshold compensation device includes a first power signal terminal, and is electrically connected to the first scanning signal terminal, the first node and a third node. The first data writing device includes a first data signal terminal, a second scanning signal terminal and a light emitting duration control signal terminal, and is electrically connected to the second node.Type: ApplicationFiled: May 20, 2020Publication date: September 10, 2020Inventors: Qingjun LAI, Yihua ZHU
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Patent number: 10732752Abstract: The present disclosure provides a display panel and a display device, including: a display area and a non-display area, that the display area includes data lines, and the non-display area includes a binding area including conductive pads; a multiplex distribution circuit including demultiplexers, that each of demultiplexers includes: one input terminal, N output terminals, N first switching elements; and connecting lines. The one input terminal and the conductive pads are electrically connected, and the N output terminals are electrically connected to the data lines. First electrodes of the N first switching elements are electrically connected to the one input terminal, and second electrodes are electrically connected to the N output terminals. The demultiplexers include at least one first demultiplexer. The N First switching elements of the at least one first demultiplexer are disposed in the display area. N is a positive integer and N?2.Type: GrantFiled: June 11, 2019Date of Patent: August 4, 2020Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yihua Zhu, Xiai Xu, Bingping Liu, Guozhao Chen
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Patent number: 10629155Abstract: The present disclosure provides a method for driving a display panel, a display panel, and a display device, which relates to the technical field of liquid crystal display technologies, and can decrease a risk of abnormal display caused by a sudden change of voltage on a touch electrode, when finishing a touch stage and entering into a display stage. The method includes: when finishing a touch stage and entering into a display stage, compensating a charging voltage value corresponding to first N rows of to-be-charged pixel electrodes in the display stage; and charging the first N rows of the to-be-charged pixel electrodes according to a charging voltage value after compensation; wherein N is an integer greater than or equal to 1. The technical solution is mainly used in a charging process of the pixel electrodes.Type: GrantFiled: November 28, 2017Date of Patent: April 21, 2020Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Yihua Zhu
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Patent number: 10580378Abstract: A shift register, gate drive circuit and display panel are provided. The shift register includes a latch unit, a NAND gate unit, a buffer unit and a switch unit. The latch unit, the NAND gate unit and the buffer unit are configured to produce a scanning driving signal and a scanning stopping signal. The latch unit is configured to control the switch unit to be turned on so as to output the scanning driving signal or the scanning stopping signal from the output terminal of the shift register, or control the switch unit to be turned off so as to enable the output terminal of the shift register to float.Type: GrantFiled: October 25, 2017Date of Patent: March 3, 2020Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Shoujin Cai, Bingping Liu, Yihua Zhu, Yuanhang Li, Xiaoxiao Wu, Guozhao Chen, Junyi Li
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Patent number: 10580803Abstract: An array substrate and a display panel are provided. The array substrate includes a non-display area and a display area. The non-display area includes a first non-display area and a second non-display area, and the display area includes a normal display area and a wiring area. The normal display area is surrounded by the first non-display area, the wiring area is surrounded by the normal display area, and the second non-display area is surrounded by the wiring area. The second non-display area comprises an opening area. In the solution, since the number of data lead lines in the same layer in the wiring area is reduced, a line distance between adjacent data lead lines is increased, thereby reducing coupling capacitance between adjacent data lead lines arranged in the same layer.Type: GrantFiled: October 18, 2018Date of Patent: March 3, 2020Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Liangliang Bei, Huangyao Wu, Xuexin Lan, Hongbo Zhou, Yihua Zhu, Guochang Lai, Guozhao Chen
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Patent number: 10490620Abstract: Provided are an array substrate, a display panel and a display device. The array substrate includes a base substrate, and a plurality of first signal lines and a plurality of second signal lines insulated from each other on a side of the base substrate. When some of the plurality of first signal lines extend to the wiring region, the wiring of which is configured to be around the assembly setting area and forms a first signal line concentrated region, and a first signal line passing through the wiring region includes a first signal line body portion and a first signal line winding portion. When some of the plurality of second signal lines extend to the wiring region, the wiring of which is configured to be around the assembly setting area and forms a second signal line concentrated region.Type: GrantFiled: December 21, 2018Date of Patent: November 26, 2019Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Guochang Lai, Yihua Zhu, Xuexin Lan, Guozhao Chen
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Patent number: 10474278Abstract: A touch-control display panel and an electronic device are provided. The touch-control display panel comprises a first substrate, and the first substrate includes a display region and a non-display region surrounding the display region. The non-display region includes a first non-display region and a second non-display region. Further, a first electrode layer is disposed on the first substrate. The first electrode layer includes a first electrode matrix having at least three first electrode columns. Each first electrode column includes a plurality of first electrodes, and each first electrode is connected to an electrode line. The first electrode matrix is divided into a first electrode group and a second electrode group, the electrode lines corresponding to the first electrodes in the first electrode group extend from the first non-display region, and the electrode lines corresponding to the first electrodes in the second electrode group extend from the second non-display region.Type: GrantFiled: November 29, 2016Date of Patent: November 12, 2019Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Patent number: 10437373Abstract: The present disclosure provides a display substrate, display panel, and display device. The display substrate includes: a base substrate having a display area and a periphery area surrounding the display area; a plurality of force sensors disposed in the periphery area; and a substrate layer layered upon the base substrate and disposed under a film layer where the plurality of force sensors are located and including a plurality of strip-shaped convex structures; wherein a portion of each of the plurality of force sensors corresponding to each of the plurality of strip-shaped convex structures is convex, and another portion of each of the plurality of force sensors corresponding to a gap between adjacent two of the plurality of strip-shaped convex structures is concave. The present disclosure achieves that abnormal display will not appear on display panel at display area edge or position corresponding to force sensor, thereby improving display effect.Type: GrantFiled: January 19, 2018Date of Patent: October 8, 2019Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yihua Zhu, Hao Wu, Shoujin Cai, Guozhao Chen
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Patent number: 10359879Abstract: A touch control display panel and a display device are provided. The touch control display panel may comprise a plurality of touch driving electrodes arranged in a first direction; a touch sensing electrode array including a plurality of touch sensing electrode rows arranged in a second direction, wherein a touch sensing electrode row includes a first touch sensing electrode and a second touch sensing electrode arranged in the first direction. In a same touch sensing electrode row, a gap is provided between the first touch sensing electrode and the second touch sensing electrode, and the gap has a width of w1 in the first direction, the touch driving electrode disposed opposite to and over the gap between the first touch sensing electrode and the second touch sensing electrode has an electrode width of w2 in the first direction, and the gap width w1 is smaller than the electrode width w2.Type: GrantFiled: November 16, 2016Date of Patent: July 23, 2019Assignees: Xiamen Tianma Micro-electronics Co., Ltd., Tianma Micro-electronics Co., Ltd.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Patent number: 10331262Abstract: A driving unit, a driving method, a driving circuit, and a display panel are disclosed. The driving unit is for providing a signal to a touch electrode of an array substrate, comprising: a first control signal input terminal, a second control signal input terminal, a gating signal input terminal, a touch control driving module, a display driving module, and a signal output terminal. The touch control driving module is configured to output a touch control signal to the signal output terminal, and is controlled by a signal inputted through the first control signal input terminal, a signal inputted through the second control signal input terminal, and a signal inputted through the gating signal input terminal. The display driving module is configured to output a common voltage signal to the signal output terminal, and is controlled by the signal inputted through the gating signal input terminal.Type: GrantFiled: November 22, 2016Date of Patent: June 25, 2019Assignees: Xiamen Tianma Micro-Electronics Co., Ltd, Tianma Micro-Electronics Co., Ltd.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Patent number: 10289253Abstract: A touch control display panel, a touch control display device and a touch control display panel driving method are provided. The touch control display panel comprises a first substrate; a second substrate arranged opposite to the first substrate; a plurality of first electrodes disposed on the first substrate, a plurality of second electrodes disposed in a gap between two first electrodes and electrically insulated from the first electrodes, wherein the plurality of first electrodes and the plurality of second electrodes are disposed in a same layer; a third electrode disposed on the second substrate, wherein an orthogonal projection of the third electrode on the first substrate is at least overlapped with an orthogonal projection of the second electrodes on the first substrate; and at least one controlling unit connected to the first electrodes, the second electrodes and the third electrode.Type: GrantFiled: September 21, 2016Date of Patent: May 14, 2019Assignees: Shanghai Tianma Micro-electronics Co., Ltd., Tianma Micro-electronics Co., Ltd.Inventors: Liang Liu, Yuanhang Li, Zuoyin Li, Yihua Zhu, Shoujin Cai, Feng Lu, Qijun Yao
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Patent number: 10275101Abstract: An integrated touch control display panel and a display apparatus are disclosed. The integrated touch control display panel comprises a touch-control-emitting-electrode-array including a plurality of touch control emitting strip electrodes arranged along a first direction; and a touch-control-sensing-electrode-array including a plurality of touch control sensing strip electrodes arranged along a second direction. An orthogonal projection of any touch control sensing strip electrode to the touch-control-emitting-electrode-array at least partially overlaps with any of the touch control emitting strip electrodes; and the touch control sensing strip electrodes are metal mesh electrodes, the metal mesh electrodes comprising a plurality of metal curves. This can reduce the resistance of the touch control sensing strip electrode, such that the integrated touch control display panel and the display apparatus have a more sensitive touch control sensing effect.Type: GrantFiled: November 22, 2016Date of Patent: April 30, 2019Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Publication number: 20190064985Abstract: The present disclosure provides a display substrate, display panel, and display device. The display substrate includes: a base substrate having a display area and a periphery area surrounding the display area; a plurality of force sensors disposed in the periphery area; and a substrate layer layered upon the base substrate and disposed under a film layer where the plurality of force sensors are located and including a plurality of strip-shaped convex structures; wherein a portion of each of the plurality of force sensors corresponding to each of the plurality of strip-shaped convex structures is convex, and another portion of each of the plurality of force sensors corresponding to a gap between adjacent two of the plurality of strip-shaped convex structures is concave. The present disclosure achieves that abnormal display will not appear on display panel at display area edge or position corresponding to force sensor, thereby improving display effect.Type: ApplicationFiled: January 19, 2018Publication date: February 28, 2019Inventors: Yihua ZHU, Hao WU, Shoujin CAI, Guozhao CHEN
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Publication number: 20190051670Abstract: An array substrate and a display panel are provided. The array substrate includes a non-display area and a display area. The non-display area includes a first non-display area and a second non-display area, and the display area includes a normal display area and a wiring area. The normal display area is surrounded by the first non-display area, the wiring area is surrounded by the normal display area, and the second non-display area is surrounded by the wiring area. The second non-display area comprises an opening area. In the solution, since the number of data lead lines in the same layer in the wiring area is reduced, a line distance between adjacent data lead lines is increased, thereby reducing coupling capacitance between adjacent data lead lines arranged in the same layer.Type: ApplicationFiled: October 18, 2018Publication date: February 14, 2019Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Liangliang BEI, Huangyao WU, Xuexin LAN, Hongbo ZHOU, Yihua ZHU, Guochang LAI, Guozhao CHEN
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Patent number: 10191583Abstract: A touch-control display panel, a driving method thereof, and a touch-control display device are provided. The display panel includes a first substrate and a plurality of touch-control driving electrodes extending along a second direction. The first substrate includes a first touch-control display region and a second touch-control display region arranged along a first direction. The plurality of touch-control driving electrodes include first touch-control driving electrodes distributed in the first touch-control display region and second touch-control driving electrodes distributed in the second touch-control display region. The number of the first touch-control driving electrodes is equal to the number of the second touch-control driving electrodes.Type: GrantFiled: December 20, 2016Date of Patent: January 29, 2019Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qingjun Lai, Zhaokeng Cao, Poping Shen, Xiufeng Zhou, Yihua Zhu, Zhaodong Zhang
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Publication number: 20180366083Abstract: The present disclosure provides a method for driving a display panel, a display panel, and a display device, which relates to the technical field of liquid crystal display technologies, and can decrease a risk of abnormal display caused by a sudden change of voltage on a touch electrode, when finishing a touch stage and entering into a display stage. The method includes: when finishing a touch stage and entering into a display stage, compensating a charging voltage value corresponding to first N rows of to-be-charged pixel electrodes in the display stage; and charging the first N rows of the to-be-charged pixel electrodes according to a charging voltage value after compensation; wherein N is an integer greater than or equal to 1. The technical solution is mainly used in a charging process of the pixel electrodes.Type: ApplicationFiled: November 28, 2017Publication date: December 20, 2018Inventors: Qingjun LAI, Yihua ZHU
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Publication number: 20180047360Abstract: A shift register, gate drive circuit and display panel are provided. The shift register includes a latch unit, a NAND gate unit, a buffer unit and a switch unit. The latch unit, the NAND gate unit and the buffer unit are configured to produce a scanning driving signal and a scanning stopping signal. The latch unit is configured to control the switch unit to be turned on so as to output the scanning driving signal or the scanning stopping signal from the output terminal of the shift register, or control the switch unit to be turned off so as to enable the output terminal of the shift register to float.Type: ApplicationFiled: October 25, 2017Publication date: February 15, 2018Inventors: Shoujin Cai, Bingping Liu, Yihua Zhu, Yuanhang Li, Xiaoxiao Wu, Guozhao Chen, Junyi Li
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Patent number: 9690152Abstract: An array substrate and a display panel are provided. The array substrate includes a transparent substrate including a display area and a rim area; a pixel structure and an antistatic switching tube which are arranged on a same side of the transparent substrate. The pixel structure includes a pixel thin-film transistor located in the display area, and the antistatic switching tube is located in the rim area. The pixel structure also includes first grounding wire located on a side of the antistatic switching tube facing away from the transparent substrate, and a second grounding wire located between the antistatic switching tube and the transparent substrate.Type: GrantFiled: October 18, 2016Date of Patent: June 27, 2017Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yuanhang Li, Yihua Zhu, Shoujin Cai
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Publication number: 20170102821Abstract: A touch-control display panel, a driving method thereof, and a touch-control display device are provided. The display panel includes a first substrate and a plurality of touch-control driving electrodes extending along a second direction. The first substrate includes a first touch-control display region and a second touch-control display region arranged along a first direction. The plurality of touch-control driving electrodes include first touch-control driving electrodes distributed in the first touch-control display region and second touch-control driving electrodes distributed in the second touch-control display region. The number of the first touch-control driving electrodes is equal to the number of the second touch-control driving electrodes.Type: ApplicationFiled: December 20, 2016Publication date: April 13, 2017Inventors: Qingjun LAI, Zhaokeng CAO, Poping SHEN, Xiufeng ZHOU, Yihua ZHU, Zhaodong ZHANG
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Publication number: 20170083149Abstract: A touch-control display panel and an electronic device are provided. The touch-control display panel comprises a first substrate, and the first substrate includes a display region and a non-display region surrounding the display region. The non-display region includes a first non-display region and a second non-display region. Further, a first electrode layer is disposed on the first substrate. The first electrode layer includes a first electrode matrix having at least three first electrode columns. Each first electrode column includes a plurality of first electrodes, and each first electrode is connected to an electrode line. The first electrode matrix is divided into a first electrode group and a second electrode group, the electrode lines corresponding to the first electrodes in the first electrode group extend from the first non-display region, and the electrode lines corresponding to the first electrodes in the second electrode group extend from the second non-display region.Type: ApplicationFiled: November 29, 2016Publication date: March 23, 2017Inventors: Qingjun LAI, Zhaokeng CAO, Poping SHEN, Xiufeng ZHOU, Yihua ZHU, Zhaodong ZHANG