Patents by Inventor Zaiwen ZHU
Zaiwen 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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Patent number: 10558286Abstract: An array substrate, a touch display panel, and a touch display device are provided. The array substrate includes a plurality of pressure sensors. Each pressure sensor includes a first input terminal electrically connected to a first power input terminal, and a second input terminal electrically connected to a second power input terminal. The array substrate also includes a first connection line between the first input terminal of each pressure sensor and the first power input terminal. The first connection line has a first line resistance. In addition, the array substrate includes a second connection line between the second input terminal of each pressure sensor and the second power input terminal. The second connection line has a second line resistance. Further, the array substrate includes a ratio of a resistance of each pressure sensor to a sum of the corresponding first line resistance and second line resistance is the same.Type: GrantFiled: October 17, 2017Date of Patent: February 11, 2020Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Liang Liu, Feng Lu, Zaiwen Zhu
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Patent number: 10515586Abstract: The present disclosure discloses a display panel and a display device. The display panel includes pixel circuits arranged in an array. Each pixel circuit includes a driving transistor, at least two switching transistors and at least two first auxiliary electrodes arranged in a one to one relationship to the switching transistors. By electrically connecting each of the first auxiliary electrodes with a gate of a related switching transistor, the first auxiliary electrode and the gate of the corresponding switching transistor have a same potential. A capacitor can be formed between the first auxiliary electrode and the active layer, and a capacitor is formed between the gate and the active layer.Type: GrantFiled: February 13, 2018Date of Patent: December 24, 2019Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zaiwen Zhu, Hong Lin, Shui He, Sera Kenji, Isao Shoji, Zhonglan Cai
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Patent number: 10481748Abstract: A display panel and a display apparatus are provided. The display panel includes a display area and a non-display area surrounding the display area. The display panel includes at least one semiconductor pressure sensor disposed in the non-display area. Each semiconductor pressure sensor has a planar structure and is provided with a hollow-out zone. In various embodiments of the present disclosure, the pressure detection accuracy of the pressure sensors is improved and the user experience is enhanced.Type: GrantFiled: November 15, 2017Date of Patent: November 19, 2019Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zaiwen Zhu, Jieliang Li, Yong Yuan, Feng Lu, Qijun Yao, Hongming Chen
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Patent number: 10439610Abstract: The present disclosure provides a force touch detection circuit, a force touch detection circuit method and a display panel. The force touch detection circuit includes: n force-sensing sensors, n first switches, a first end of the ith first switch being electrically connected with a first end of the ith force-sensing sensor, a second end of the ith first switch being electrically connected with a first test connection terminal; n second switches, a first end of the ith second switch being electrically connected with a second end of the ith force-sensing sensor, a second end of the ith second switch being electrically connected with a second test connection terminal; n control signal connection terminals, the ith control signal connection terminal is electrically connected with a control end of the ith first switch and a control end of the ith second switch.Type: GrantFiled: January 8, 2018Date of Patent: October 8, 2019Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Liang Liu, Feng Lu, Conghua Ma, Shaolong Ma, Zaiwen Zhu, Qitai Ji, Yuheng Zhang, Shui He, Yong Yuan, Qijun Yao
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Patent number: 10373699Abstract: Provided are an array substrate, a display panel and a display device, and the array substrate includes: at least one pressure sensor disposed in the non-display region; and the pressure sensor includes a first resistor, a second resistor, a third resistor and a fourth resistor; and a plurality of shift registers disposed in the non-display region, and the first resistor, the second resistor, the third resistor and the fourth resistor are disposed at least one of following positions: inside the shift register, between adjacent two of the plurality of shift registers, at a side of the plurality of shift registers close to the display region, and at a side of the plurality of shift registers away from the display region.Type: GrantFiled: January 9, 2018Date of Patent: August 6, 2019Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zaiwen Zhu, Yong Yuan, Feng Lu, Qijun Yao, Qitai Ji
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Patent number: 10353508Abstract: Provided are a touch display panel and a touch display device. The touch display panel includes at least one semiconductor pressure-sensing touch device, and the semiconductor pressure-sensing touch device includes a first pressure-sensitive resistor, a second pressure-sensitive resistor, a third pressure-sensitive resistor and a fourth pressure-sensitive resistor. A first end of the first pressure-sensitive resistor and a first end of the second pressure-sensitive resistor are connected to a first power inputting terminal, a second end of the first pressure-sensitive resistor and a first end of the fourth pressure-sensitive resistor are connected to a first sense signal measuring terminal, a second end of the fourth pressure-sensitive resistor and a second end of the third pressure-sensitive resistor are connected to a second power inputting terminal.Type: GrantFiled: January 26, 2018Date of Patent: July 16, 2019Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Jieliang Li, Yong Yuan, Zaiwen Zhu, Qitai Ji, Qijun Yao, Feng Lu
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Patent number: 10347701Abstract: An organic light-emitting display panel, a display device, and an organic light-emitting display motherboard are provided. The organic light-emitting display panel includes a base substrate, a metal wire, a first insulation layer, and a conductive portion. The metal wire has an upper surface opposing to the base substrate. A material of the metal wire includes a first metal. The first insulation layer covers the upper surface of the metal wire and includes at least one hollow portion penetrating through the first insulation layer and exposing a portion of the upper surface of the metal wire. The conductive portion is electrically connected to the metal wire, and is not overlapped with the at least one hollow portion. A work function of a material of the conductive portion is G1, a work function of metal silver is G2, a work function of the first metal is G3, and G1>G2>G3.Type: GrantFiled: February 28, 2018Date of Patent: July 9, 2019Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Shui He, Yingteng Zhai, Yongxiang Lin, Hong Lin, Yong Yuan, Zaiwen Zhu, Qitai Ji
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Publication number: 20180190742Abstract: An organic light-emitting display panel, a display device, and an organic light-emitting display motherboard are provided. The organic light-emitting display panel includes a base substrate, a metal wire, a first insulation layer, and a conductive portion. The metal wire has an upper surface opposing to the base substrate. A material of the metal wire includes a first metal. The first insulation layer covers the upper surface of the metal wire and includes at least one hollow portion penetrating through the first insulation layer and exposing a portion of the upper surface of the metal wire. The conductive portion is electrically connected to the metal wire, and is not overlapped with the at least one hollow portion. A work function of a material of the conductive portion is G1, a work function of metal silver is G2, a work function of the first metal is G3, and G1>G2>G3.Type: ApplicationFiled: February 28, 2018Publication date: July 5, 2018Inventors: Shui HE, Yingteng ZHAI, Yongxiang LIN, Hong LIN, Yong YUAN, Zaiwen ZHU, Qitai JI
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Publication number: 20180182292Abstract: The present disclosure discloses a display panel and a display device. The display panel includes pixel circuits arranged in an array. Each pixel circuit includes a driving transistor, at least two switching transistors and at least two first auxiliary electrodes arranged in a one to one relationship to the switching transistors. By electrically connecting each of the first auxiliary electrodes with a gate of a related switching transistor, the first auxiliary electrode and the gate of the corresponding switching transistor have a same potential. A capacitor can be formed between the first auxiliary electrode and the active layer, and a capacitor is formed between the gate and the active layer.Type: ApplicationFiled: February 13, 2018Publication date: June 28, 2018Inventors: Zaiwen Zhu, Hong Lin, Shui He, Sera Kenji, Isao Shoji, Zhonglan Cai
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Publication number: 20180150175Abstract: Provided are a touch display panel and a touch display device. The touch display panel includes at least one semiconductor pressure-sensing touch device, and the semiconductor pressure-sensing touch device includes a first pressure-sensitive resistor, a second pressure-sensitive resistor, a third pressure-sensitive resistor and a fourth pressure-sensitive resistor. A first end of the first pressure-sensitive resistor and a first end of the second pressure-sensitive resistor are connected to a first power inputting terminal, a second end of the first pressure-sensitive resistor and a first end of the fourth pressure-sensitive resistor are connected to a first sense signal measuring terminal, a second end of the fourth pressure-sensitive resistor and a second end of the third pressure-sensitive resistor are connected to a second power inputting terminal.Type: ApplicationFiled: January 26, 2018Publication date: May 31, 2018Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Jieliang LI, Yong YUAN, Zaiwen ZHU, Qitai JI, Qijun YAO, Feng LU
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Publication number: 20180131373Abstract: The present disclosure provides a force touch detection circuit, a force touch detection circuit method and a display panel. The force touch detection circuit includes: n force-sensing sensors, n first switches, a first end of the ith first switch being electrically connected with a first end of the ith force-sensing sensor, a second end of the ith first switch being electrically connected with a first test connection terminal; n second switches, a first end of the ith second switch being electrically connected with a second end of the ith force-sensing sensor, a second end of the ith second switch being electrically connected with a second test connection terminal; n control signal connection terminals, the ith control signal connection terminal is electrically connected with a control end of the ith first switch and a control end of the ith second switch.Type: ApplicationFiled: January 8, 2018Publication date: May 10, 2018Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Liang Liu, Feng Lu, Conghua Ma, Shaolong Ma, Zaiwen Zhu, Qitai Ji, Yuheng Zhang, Shui He, Yong Yuan, Qijun Yao
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Publication number: 20180130543Abstract: Provided are an array substrate, a display panel and a display device, and the array substrate includes: at least one pressure sensor disposed in the non-display region; and the pressure sensor includes a first resistor, a second resistor, a third resistor and a fourth resistor; and a plurality of shift registers disposed in the non-display region, and the first resistor, the second resistor, the third resistor and the fourth resistor are disposed at least one of following positions: inside the shift register, between adjacent two of the plurality of shift registers, at a side of the plurality of shift registers close to the display region, and at a side of the plurality of shift registers away from the display region.Type: ApplicationFiled: January 9, 2018Publication date: May 10, 2018Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zaiwen ZHU, Yong YUAN, Feng LU, Qijun YAO, Qitai JI
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Publication number: 20180074622Abstract: A display panel and a display apparatus are provided. The display panel includes a display area and a non-display area surrounding the display area. The display panel includes at least one semiconductor pressure sensor disposed in the non-display area. Each semiconductor pressure sensor has a planar structure and is provided with a hollow-out zone. In various embodiments of the present disclosure, the pressure detection accuracy of the pressure sensors is improved and the user experience is enhanced.Type: ApplicationFiled: November 15, 2017Publication date: March 15, 2018Inventors: Zaiwen ZHU, Jieliang LI, Yong YUAN, Feng LU, Qijun YAO, Hongming CHEN
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Publication number: 20180039363Abstract: An array substrate, a touch display panel, and a touch display device are provided. The array substrate includes a plurality of pressure sensors. Each pressure sensor includes a first input terminal electrically connected to a first power input terminal, and a second input terminal electrically connected to a second power input terminal. The array substrate also includes a first connection line between the first input terminal of each pressure sensor and the first power input terminal. The first connection line has a first line resistance. In addition, the array substrate includes a second connection line between the second input terminal of each pressure sensor and the second power input terminal. The second connection line has a second line resistance. Further, the array substrate includes a ratio of a resistance of each pressure sensor to a sum of the corresponding first line resistance and second line resistance is the same.Type: ApplicationFiled: October 17, 2017Publication date: February 8, 2018Inventors: Liang LIU, Feng LU, Zaiwen ZHU
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Patent number: 9640559Abstract: A low temperature poly-silicon (LTPS) array substrate is disclosed. The array substrate includes a first substrate and a stack structure on the first substrate, where the stack structure includes a first conductive layer, and a second conductive layer. The first and second conductive layers are insulated from each other. The array substrate also includes a polysilicon layer above the first and second conductive layers, an interlayer insulating layer above the polysilicon layer, and a source-drain metal layer on the interlayer insulating layer. The source-drain metal layer includes a source and a drain, the source and the drain are electrically connected with the polysilicon layer through a first via, and one of the source and the drain is electrically connected with the first conductive layer through a second via.Type: GrantFiled: June 8, 2015Date of Patent: May 2, 2017Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Bozhi Liu, Zaiwen Zhu
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Publication number: 20160126258Abstract: A low temperature poly-silicon (LTPS) array substrate is disclosed. The array substrate includes a first substrate and a stack structure on the first substrate, where the stack structure includes a first conductive layer, and a second conductive layer. The first and second conductive layers are insulated from each other. The array substrate also includes a polysilicon layer above the first and second conductive layers, an interlayer insulating layer above the polysilicon layer, and a source-drain metal layer on the interlayer insulating layer. The source-drain metal layer includes a source and a drain, the source and the drain are electrically connected with the polysilicon layer through a first via, and one of the source and the drain is electrically connected with the first conductive layer through a second via.Type: ApplicationFiled: June 8, 2015Publication date: May 5, 2016Inventors: Bozhi LIU, Zaiwen ZHU