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公开(公告)号：US11386820B2
公开(公告)日：2022-07-12
申请号：US17040913
申请日：2020-04-21
Inventor： Guangyao Li , Dongfang Wang , Jun Wang , Haitao Wang , Chaowei Hao , Bo Feng , Rong Liu , Wei Cai , Biao Luo , Xuechao Sun , Xuehai Gui , Qibin Liang , Yanfei Wan , Jin Su
IPC: G09G3/3233 , G09G3/00 , G09G3/3225
Abstract: A method of detecting threshold voltage shift and a threshold voltage shift detection device are provided. The method is applied to a pixel driving circuit which I is electrically coupled to a control line, a voltage line and a detection node, respectively. The method includes: in a detection cycle including a setting phase and a detection phase, in the setting phase, controlling a transistor included in the pixel driving circuit to be in a biased state; in the detection phase, providing a preset control voltage signal to the control line, providing a preset voltage signal to the voltage line, and determining a threshold voltage shift state of the transistor according to an electric potential of the detection node.
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公开(公告)号：US11189646B2
公开(公告)日：2021-11-30
申请号：US16580320
申请日：2019-09-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Luke Ding , Jingang Fang , Bin Zhou , Ning Liu , Guangyao Li
IPC: H01L27/12 , H01L21/027 , H01L49/02 , H01L29/786
Abstract: A display substrate, a method for manufacturing the same, and a display device are disclosed. The display substrate includes: a base substrate; and a conductive pattern, a first insulating layer and a conductive layer laminated on the base substrate, wherein the first insulating layer has a plurality of first via holes, and the conductive layer includes a signal line, the signal line being electrically connected to the conductive pattern through the plurality of first via holes. The present disclosure may achieve efficient transmission of signals and ensure the display effect of the display device.
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3.发明授权公开(公告)号：US11011644B2
公开(公告)日：2021-05-18
申请号：US16506216
申请日：2019-07-09
Inventor： Guangyao Li , Lei Huang , Haitao Wang , Jun Wang , Qinghe Wang , Wei Li , Dongfang Wang , Liangchen Yan
IPC: H01L27/12 , H01L29/786 , G01N27/00 , H01L29/66
Abstract: The present disclosure provides a thin film transistor, a thin film transistor array, and a method for detecting an object to be detected, wherein the thin film transistor is configured to detect a parameter of an object to be detected bound with a metal ion and includes an active layer, wherein: a carrier of the active layer without a metal element contained in the metal ion bound is of a first mobility, and a carrier of the active layer with the metal element bound is of a second mobility different from the first mobility.
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公开(公告)号：US10418447B2
公开(公告)日：2019-09-17
申请号：US15940043
申请日：2018-03-29
Inventor： Guangyao Li , Guangcai Yuan , Dongfang Wang , Jun Wang , Qinghe Wang , Ning Liu
IPC: H01L31/032 , H01L29/24 , H01L29/45 , H01L29/49 , H01L29/786 , H01L21/445 , H01L31/0392 , H01L31/113 , H01L29/66 , H01L21/02 , H01L29/84 , H01L27/12 , H01L27/28
Abstract: Provided is a thin film transistor, a production method thereof, and an electronic apparatus. The thin film transistor comprises a substrate, and a gate electrode, a gate insulator layer, a source electrode, a drain electrode and an active layer on the substrate, wherein the active layer comprises a stack of two or more layers of graphene-like two-dimensional semiconductor material. The electronic apparatus comprises the thin film transistor, and may be used as an optical or mechanical sensor.
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公开(公告)号：US12062305B2
公开(公告)日：2024-08-13
申请号：US17429310
申请日：2021-01-05
Inventor： Guangyao Li , Dongfang Wang
IPC: G09G3/00 , H10K59/121 , H10K59/131
CPC classification number: G09G3/006 , H10K59/1213 , H10K59/1216 , H10K59/131
Abstract: A test circuit includes a plurality of first switch units and a plurality of second switch units. The first switch units are provided in one-to-one correspondence with a plurality of signal lines. First terminals of the first switch units are connected to first ends of the plurality of signal lines, second terminals of the first switch units are short-circuited to one another, and control terminals of the first switch units are connected to a first control signal terminal. The plurality of second switch units are provided in one-to-one correspondence with the plurality of signal lines. First terminals of the plurality of second switch units are connected to second ends of the plurality of signal lines, second terminals of the plurality of second switch units are short-circuited to one another, and control terminals of the plurality of second switch units are connected to a second control signal terminal.
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Patent Agency Ranking
公开(公告)号：US11527599B2
公开(公告)日：2022-12-13
申请号：US16665410
申请日：2019-10-28
Inventor： Haitao Wang , Qinghe Wang , Jun Wang , Guangyao Li , Yang Zhang , Jun Liu , Dongfang Wang
IPC: H01L27/32 , G02F1/1362
Abstract: Disclosed are an array substrate, a method for fabricating the same, a display panel, and a display device, and the array substrate includes: an underlying substrate, and gate lines and data lines located on the underlying substrate, and intersecting with each other, a layer where the gate lines are located is between a layer where the data lines are located, and the underlying substrate; and the array substrate further includes a buffer layer located between the underlying substrate and the layer where the gate lines are located; and the buffer layer includes a plurality of through-holes, where orthographical projections of the through-holes onto the underlying substrate cover orthographical projections of the areas where the gate lines intersect with the data lines, onto the underlying substrate.
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公开(公告)号：US20220077255A1
公开(公告)日：2022-03-10
申请号：US17417334
申请日：2020-11-05
Inventor： Wei Li , Jingjing XIA , Bin Zhou , Yang Zhang , Guangyao Li , Wei Song , Xuanang Wang , Qinghe Wang , Liusong Ni , Jun Liu , Liangchen Yan , Ming Wang , Jingang Fang
Abstract: The present disclosure provides an array substrate, a method for manufacturing the array substrate, a display panel and a display device. The array substrate includes: a substrate; a planarization layer on a side of the substrate; a pixel defining layer configured to define a pixel opening region and located on a side of the planarization layer away from the substrate; an anode in the pixel opening region and on a side of the planarization layer away from the substrate. The array substrate further includes an intermediate insulation layer between the planarization layer and the pixel defining layer. The intermediate insulation layer has a chemical polarity between a chemical polarity of the planarization layer and a chemical polarity of the pixel defining layer.
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8.发明授权公开(公告)号：US11145230B2
公开(公告)日：2021-10-12
申请号：US16898581
申请日：2020-06-11
Inventor： Jun Wang , Dongfang Wang , Liangchen Yan , Guangyao Li , Haitao Wang , Qinghe Wang , Yingbin Hu , Yang Zhang , Tongshang Su
Abstract: Embodiments of the present disclosure provide a method and a device for detecting a threshold voltage drift of a transistor in a pixel circuit, which are used for detecting the threshold voltage drift of the transistor to be detected in the pixel circuit. The transistor to be detected is at least one of the driving transistor and the detection transistor. The detection method comprises: inputting, during an inputting stage, a first turning-on voltage to the second scanning terminal, so as to turn on the detection transistor, enabling writing a first voltage into the second node through the detection signal terminal; inputting, during a detection stage, a first turning-off voltage to the second scanning terminal, so as to turn off the detection transistor, thereby detecting an actual voltage at the second node; and determining a state of the threshold voltage drift of the transistor to be detected according to the actual voltage and the first voltage.
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公开(公告)号：US20200155717A1
公开(公告)日：2020-05-21
申请号：US16442860
申请日：2019-06-17
Inventor： Guangyao Li , Luke Ding , Leilei Cheng , Yingbin Hu , Jingang Fang , Ning Liu , Qinghe Wang , Dongfang Wang , Liangchen Yan
IPC: A61L2/03 , C01B32/182
Abstract: A sterilization structure, a sterilization board, and a display device are disclosed. The sterilization structure includes an active layer, wherein, one surface of the active layer has an exposed region, and a material of the active layer includes a laser-induced graphene material.
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公开(公告)号：US20190131410A1
公开(公告)日：2019-05-02
申请号：US15940043
申请日：2018-03-29
Inventor： Guangyao Li , Guangcai Yuan , Dongfang Wang , Jun Wang , Qinghe Wang , Ning Liu
IPC: H01L29/24 , H01L29/45 , H01L29/49 , H01L29/786 , H01L29/84 , H01L31/0392 , H01L31/032 , H01L31/113 , H01L29/66 , H01L21/02 , H01L21/445
CPC classification number: H01L29/24 , H01L21/02568 , H01L21/445 , H01L27/1214 , H01L27/1222 , H01L27/283 , H01L29/1606 , H01L29/45 , H01L29/4908 , H01L29/66969 , H01L29/786 , H01L29/78603 , H01L29/78642 , H01L29/78696 , H01L29/84 , H01L31/0296 , H01L31/032 , H01L31/03926 , H01L31/1136 , H01L51/05
Abstract: Provided is a thin film transistor, a production method thereof, and an electronic apparatus. The thin film transistor comprises a substrate, and a gate electrode, a gate insulator layer, a source electrode, a drain electrode and an active layer on the substrate, wherein the active layer comprises a stack of two or more layers of graphene-like two-dimensional semiconductor material. The electronic apparatus comprises the thin film transistor, and may be used as an optical or mechanical sensor.
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