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公开(公告)号：US11562686B1
公开(公告)日：2023-01-24
申请号：US17452524
申请日：2021-10-27
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Feng Lu
IPC: G09G3/32
Abstract: Display panel, light sensing detection method thereof and display device are provided. The display panel includes a plurality of light sensing detection units. A light sensing detection unit of the plurality of light sensing detection units includes a light sensing detection circuit. The light sensing detection circuit corresponding to a same light sensing detection unit includes N light sensing detection branches connected in parallel, a light sensing detection branch of the N light sensing detection branches includes a storage capacitor, and N≥2. The N light sensing detection branches include a first light sensing detection branch and a second light sensing detection branch. The storage capacitor includes a first storage capacitor located in the first light sensing detection branch and a second storage capacitor located in the second light sensing detection branch. A capacitance of the first storage capacitor is greater than a capacitance of the second storage capacitor.
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公开(公告)号：US11088353B2
公开(公告)日：2021-08-10
申请号：US16669534
申请日：2019-10-31
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yongli Jiang , Feng Lu
Abstract: The disclosure recites a solid-state total reflection display and a manufacture method thereof, and a display device. The solid-state total reflection display includes: a drive circuit layer, and a heating layer and a pixel function layer stacked successively on the drive circuit layer; a plurality of pixel structures in the pixel function layer are arranged in an array, and the pixel structures each includes a reflection layer, a resonant cavity layer, a phase change material layer and a transparent covering layer stacked successively; a plurality of light adjusting structures are arranged between two adjacent pixel structures among the plurality of pixel structures in a row or column direction of the array; a side of each light adjusting structure towards an ambient light-entering side of the solid-state total reflection display is in a concave shape.
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公开(公告)号：US10598981B2
公开(公告)日：2020-03-24
申请号：US15919489
申请日：2018-03-13
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Feng Lu , Koji Shigamura
IPC: G02F1/1335 , G02F1/1362 , G02F1/1368 , G06F3/041 , H01L27/12 , H01L27/32 , H01L51/52 , G02F1/1333
Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, and a display panel. The display substrate has a display area and a peripheral area surrounding the display area, wherein a plurality of force sensors is provided in the peripheral area and the plurality of force sensors is made of polysilicon material, in a direction perpendicular to the display substrate, a first layer is provided directly under a layer where the plurality of force sensors is located, and a second layer is provided directly above the layer where the plurality of force sensors is located, a Young's modulus of at least one of the first layer and the second layer is larger than a Young's modulus of silicon oxide. The technical solution of the present disclosure can improve the detection accuracy of the force sensor with respect to a force.
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公开(公告)号：US10585521B2
公开(公告)日：2020-03-10
申请号：US15789137
申请日：2017-10-20
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Abstract: Embodiments of the present disclosure provide a display panel, a control method and a display device, which relate to the field of force touch display technologies, and can improve sensitivity of the force sensing unit. The display panel includes: a plurality of force sensing branches connected in parallel; a plurality of force sensing unit sets corresponding to the plurality of force sensing branches; and a plurality of switch units corresponding to the plurality of force sensing branches; wherein each of the force sensing unit sets includes one or more force sensing unit, each force sensing unit includes two input ends, the input ends of the force sensing units in each of the force sensing unit sets are mutually connected in series or in parallel in a corresponding force sensing branch; and wherein the switch units are arranged in a corresponding one force sensing branches in series.
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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：US10365774B2
公开(公告)日：2019-07-30
申请号：US15369854
申请日：2016-12-05
Inventor： Chuanli Leng , Sitao Huo , Feng Lu , Qijun Yao
Abstract: A display panel and a display device are disclosed. The display panel includes a first substrate; a first electrode and a second electrode sequentially formed on the first substrate, an organic light emitting layer being interposed between the first electrode and the second electrode and the second electrode being multiplexed as a first pressure detection electrode; a thin film encapsulation layer formed on the first pressure detection electrode, the thin film encapsulation layer comprising at least one organic layer; and a second pressure detection electrode formed on the thin film encapsulation layer, the second pressure detection electrode being multiplexed as a touch detection electrode.
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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：US10319753B2
公开(公告)日：2019-06-11
申请号：US15466885
申请日：2017-03-23
Inventor： Yingteng Zhai , Feng Lu
IPC: H01L27/12 , H01L23/367 , G02F1/1333 , G06F3/041 , G06F3/044 , H01L23/40
Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a display region and a frame region surrounding the display region. The frame region includes multiple bridge pressure sensing units and multiple first heat conductive sheets. Each of the multiple bridge pressure sensing units includes a bridge electrode, a first power supply line electrically connected to a power supply terminal of the bridge electrode, and a detection line electrically connected to a detection terminal of the bridge electrode. Each of the multiple first heat conductive sheets is arranged opposite to the bridge electrode, and a vertical projection of the first heat conductive sheet on the bridge electrode covers the bridge electrode.
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公开(公告)号：US10234978B2
公开(公告)日：2019-03-19
申请号：US16104144
申请日：2018-08-17
IPC: G06F3/041 , H01L27/12 , G02F1/1362 , G02F1/1335
Abstract: Provided are an array substrate and a display panel. The array substrate includes: a substrate; a plurality of scan lines formed on the substrate and extending along a first direction, a plurality of data lines formed on the substrate and extending along a second direction; a plurality of pixel units are defined by the scan lines and data lines, at least four semiconductor pressure sensing units formed on the substrate. In each of the plurality of the pixel units, a thin film transistor is provided. The substrate is further provided with a plurality of connection wires thereon, for connecting the semiconductor pressure sensing units to form at least one Wheatstone bridge structure. The plurality of connection wires includes a plurality of first direction connection wires extending along the first direction and a plurality of second direction connection wires extending along the second 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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