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公开(公告)号：US11073932B2
公开(公告)日：2021-07-27
申请号：US15785385
申请日：2017-10-16
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Liang Liu , Feng Lu , Qijun Yao , Shaolong Ma
Abstract: A touch display panel and a display device are provided. The touch display panel includes a display area and a non-display area around the display area. The non-display area includes a plurality of pressure sensors. At least one of the plurality of pressure sensors is located a distance of H away from a closest corner of the touch display panel, where H satisfies: 2.5 mm
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公开(公告)号：US10439610B2
公开(公告)日：2019-10-08
申请号：US15865169
申请日：2018-01-08
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Liang Liu , Feng Lu , Conghua Ma , Shaolong Ma , Zaiwen Zhu , Qitai Ji , Yuheng Zhang , Shui He , Yong Yuan , Qijun Yao
Abstract: 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.
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公开(公告)号：US10234986B2
公开(公告)日：2019-03-19
申请号：US15489777
申请日：2017-04-18
Inventor： Liang Liu , Feng Lu , Shaolong Ma , Qijun Yao
Abstract: A touch control display panel and a touch control display apparatus are provided. The touch control display panel comprises a first substrate having a display region and a non-display region surrounding the display region, wherein the non-display region includes a plurality of sub-non-display regions, and a plurality of first pressure-sensing bridges and at least one second pressure-sensing bridge, wherein a first pressure-sensing bridge and the at least one second pressure-sensing bridge are disposed in two opposing sub-non-display regions. The first pressure-sensing bridge and the at least one second pressure-sensing bridge each includes a first strain direction and a second strain direction. The first strain direction and the second strain direction of the first pressure-sensing bridge form a first pre-determined angle α and a second pre-determined angle β with respect to a first border of the non-display region, respectively.
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公开(公告)号：US20180300012A1
公开(公告)日：2018-10-18
申请号：US16015193
申请日：2018-06-22
Inventor： Feng LU , Qijun Yao , Liang Liu , Shaolong Ma , Yingteng Zhai
CPC classification number: G06F3/0416 , G01L1/18 , G06F3/0412 , G06F3/0421 , G06F3/044 , G06F3/045 , G06F2203/04105 , H01L27/1214
Abstract: Provided are an array substrate, a touch display panel and a method for calculating touch pressure. The array substrate includes: a display region with a non-display region around the display region, thin film transistors in the display region and having an active layer, at least two semiconductor pressure sensors, a bias voltage applying circuit for applying a bias voltage to each semiconductor pressure sensor, and a voltage detecting circuit for acquiring a strain voltage from each semiconductor pressure sensor. A first straight line connecting a first connecting terminal and a second connecting terminal of the semiconductor pressure sensor intersects a second straight line connecting a third connecting terminal and a fourth connecting terminal of the semiconductor pressure sensor. The semiconductor pressure sensor is a semiconductor film in a polygonal structure having at least four sides, the active layer and the semiconductor film are in a same layer.
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公开(公告)号：US10418426B2
公开(公告)日：2019-09-17
申请号：US15786556
申请日：2017-10-17
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yang Zeng , Qing Zhang , Lihua Wang , Liang Liu , Feng Lu , Shaolong Ma , Qijun Yao
Abstract: Disclosed are an organic light-emitting display panel and an electronic device. The organic light-emitting display panel comprises a first substrate; the first substrate comprises a plurality of pressure-sensitive detection structures and a plurality of light-sensitive identification structures provided in an array, the pressure-sensitive detection structure comprises a semiconductor material film, the light-sensitive identification structure comprises a light-sensitive identification switch, the light-sensitive identification switch comprises a first active layer, and the semiconductor material film and the first active layer are provided on the same layer.
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Patent Agency Ranking
公开(公告)号：US10365752B2
公开(公告)日：2019-07-30
申请号：US15269797
申请日：2016-09-19
Inventor： Liang Liu , Feng Lu , Shaolong Ma , Qijun Yao , Xingyao Zhou
IPC: G06F3/041 , G06F3/045 , G02F1/1333
Abstract: A touch control display panel and a touch control display device are provided. The touch control display panel comprises a substrate having a first extending direction and a second extending direction; and at least one force sensing bridge including a first sensing resistor, a second sensing resistor, a third sensing resistor, and a fourth sensing resistor. The first sensing resistor has a longer extending length in the first extending direction than in the second extending direction. The second sensing resistor has a longer extending length in the second extending direction than in the first extending direction. The third sensing resistor has a longer extending length in the first extending direction than in the second extending direction. The fourth sensing resistor has a longer extending length in the second extending direction than in the first extending direction.
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公开(公告)号：US10031615B2
公开(公告)日：2018-07-24
申请号：US15194287
申请日：2016-06-27
Inventor： Feng Lu , Qijun Yao , Liang Liu , Shaolong Ma , Yingteng Zhai
Abstract: The embodiment of the disclosure discloses a touch substrate, a touch display panel and a method for calculating touch pressure. The touch substrate comprises at least two semiconductor pressure sensors, a bias voltage applying circuit and a voltage detecting circuit, wherein the bias voltage applying circuit is used for applying bias voltage to each semiconductor pressure sensor; the voltage detecting circuit is used for acquiring strain voltages of each semiconductor pressure sensor. A first straight line connecting the first connecting terminal and the second connecting terminal intersects a second straight line connecting the third connecting terminal and the fourth connecting terminal. According to the technical scheme of the disclosure, the semiconductor pressure sensors can be integrated inside the touch display panel.
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公开(公告)号：US10671208B2
公开(公告)日：2020-06-02
申请号：US15983098
申请日：2018-05-18
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Feng Lu , Qijun Yao , Liang Liu , Conghua Ma , Shaolong Ma
Abstract: The present disclosure provides display panel and display device. By adjusting positions of the input signal line and the output signal line of the force sensor, the problem that output signal of the force sensor in the existing display panel is interfered by signal transmitted on the peripheral circuit wirings. Non-display area of the display panel is provided with force sensor and driving circuit; the distance between an orthographic projection of the first output signal line of the force sensor on the display panel and an orthographic projection of the driving circuit input line on the display panel is at least 30 μm; and the distance between an orthographic projection of the second output signal line of the force sensor on the display panel and the orthographic projection of the driving circuit input line on the display panel is at least 30 μm.
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公开(公告)号：US20180131373A1
公开(公告)日：2018-05-10
申请号：US15865169
申请日：2018-01-08
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Liang Liu , Feng Lu , Conghua Ma , Shaolong Ma , Zaiwen Zhu , Qitai Ji , Yuheng Zhang , Shui He , Yong Yuan , Qijun Yao
CPC classification number: H03K17/9625 , G06F3/0414 , G06F3/0416 , G06F2203/04103 , H01L27/3244
Abstract: 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.
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公开(公告)号：US20180067587A1
公开(公告)日：2018-03-08
申请号：US15811679
申请日：2017-11-14
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Qijun Yao , Shaolong Ma , Feng Lu , Liang Liu
CPC classification number: G06F3/044 , G06F1/3262 , G06F3/0416 , G06F3/045 , G06F2203/04103 , G06F2203/04105
Abstract: Disclosed are a display panel and a touch display device. The display panel comprises a pressure sensor, the pressure sensor comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first set of connection blocks and a second set of connection blocks; the material of the first resistor, the second resistor, the third resistor and the fourth resistor is a semiconductor material; the material of the first set of connection blocks and the second set of connection blocks is a metal material; the display panel further comprises a first direction and a second direction; the first resistor and the third resistor comprise at least two subresistors; each subresistor forming the same resistor is connected end to end with each other via the second set of connection blocks; the shape of each subresistor, the second resistor and the fourth resistor is a bar.
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