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1.发明授权公开(公告)号：US12274094B2
公开(公告)日：2025-04-08
申请号：US17801003
申请日：2021-10-12
Inventor： Tongshang Su , Jun Cheng , Bin Zhou , Ce Zhao , Qinghe Wang , Jun Wang , Liangchen Yan
Abstract: Provided is a gate driving circuit. The gate driving circuit includes a plurality of first transistors; wherein at least one first target transistor of the plurality of first transistors includes a first light-shielding layer disposed on a side of a base substrate, the first light-shielding layer being made of a conductive material; and a first gate metal layer and a first source/drain metal layer disposed on a side of the first light-shielding layer away from the base substrate; wherein the first light-shielding layer is connected to the first gate metal layer.
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公开(公告)号：US12074222B2
公开(公告)日：2024-08-27
申请号：US18134389
申请日：2023-04-13
Inventor： Jun Wang , Zhonghao Huang
IPC: H01L21/00 , H01L27/12 , H01L29/66 , H01L29/786
CPC classification number: H01L29/78633 , H01L27/1225 , H01L27/124 , H01L27/127 , H01L27/1288 , H01L29/66969 , H01L29/7869
Abstract: An array substrate, a display device and a fabrication method are provided. The array substrate includes a first metal layer at one side of a base substrate, the first metal layer including a light shielding part, a source, a drain in a display area; a second metal layer at a side, facing away from an active layer, of gate insulating layer, the second metal layer includes a gate, a source-landing electrode a drain-landing electrode in the display area, the source-landing electrode is in contact with the active layer and the source through a first via hole penetrating through the gate insulating layer and a buffer layer and exposing one end of the active layer, the drain-landing electrode is in contact with the active layer and the drain through a second via hole penetrating through the gate insulating layer and the buffer layer and exposing other end of the active layer.
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公开(公告)号：US11980058B2
公开(公告)日：2024-05-07
申请号：US17486790
申请日：2021-09-27
Inventor： Haitao Wang , Qinghe Wang , Jun Wang , Tongshang Su , Jun Cheng
IPC: H10K59/121 , H10K59/12 , H10K59/126 , H10K59/131 , H10K71/00
CPC classification number: H10K59/1213 , H10K59/1216 , H10K59/126 , H10K59/131 , H10K71/00 , H10K59/1201
Abstract: A display substrate, a preparation method thereof, and a display apparatus are provide. The display substrate includes: a base substrate, an active layer disposed on the base substrate, a first gate insulating layer disposed on the active layer, a first conductive layer disposed on the first gate insulating layer, and a second conductive layer disposed on the first conductive layer and electrically connected with the first conductive layer; an orthographic projection of the first conductive layer on the base substrate does not overlap with an orthographic projection of the active layer on the base substrate; the second conductive layer includes gates; orthographic projections of the gates on the base substrate and the orthographic projection of the active layer on the base substrate have an overlap area; and the display substrate further includes: at least one insulating layer located between the first conductive layer and the gates.
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公开(公告)号：US11652172B2
公开(公告)日：2023-05-16
申请号：US17199521
申请日：2021-03-12
Inventor： Jun Wang , Zhonghao Huang
IPC: H01L27/00 , H01L29/00 , H01L29/786 , H01L27/12 , H01L29/66
CPC classification number: H01L29/78633 , H01L27/124 , H01L27/127 , H01L27/1225 , H01L27/1288 , H01L29/66969 , H01L29/7869
Abstract: An array substrate, a display device and a fabrication method are provided. The array substrate includes a first metal layer at one side of a base substrate, the first metal layer including a light shielding part, a source, a drain in a display area; a second metal layer at a side, facing away from an active layer, of gate insulating layer, the second metal layer includes a gate, a source-landing electrode a drain-landing electrode in the display area, the source-landing electrode is in contact with the active layer and the source through a first via hole penetrating through the gate insulating layer and a buffer layer and exposing one end of the active layer, the drain-landing electrode is in contact with the active layer and the drain through a second via hole penetrating through the gate insulating layer and the buffer layer and exposing other end of the active layer.
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公开(公告)号：US11626059B2
公开(公告)日：2023-04-11
申请号：US16675386
申请日：2019-11-06
Inventor： Chunheng Zhang , Yizhan Han , Jun Wang , Jianwei Sun , Liugang Zhou
IPC: G09G3/20
Abstract: A display device comprising a plurality of pixels arranged in multiple rows and multiple columns. The multiple pixel columns are connected with a plurality of source signal lines respectively. The pixels of odd-numbered rows in the same pixel column are connected with the source signal lines on a first side of the pixel column. The pixels of even-numbered rows in the same pixel column are connected with the source signal lines on a second side of the pixel column opposite the first side. A display control method comprising the steps of determining and storing target pixel potential data which comprises a target pixel potential for each of the plurality of source signal lines; and setting a potential of each source signal line as the target pixel potential corresponding to the source signal line in an interval zone between two adjacent frames.
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Patent Agency Ranking
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：US11380240B2
公开(公告)日：2022-07-05
申请号：US16908283
申请日：2020-06-22
Inventor： Zhenlin Qu , Liugang Zhou , Ke Dai , Tao Li , Yulong Xiong , Yizhan Han , Jianwei Sun , Liu He , Yunyun Liang , Jun Wang , Qing Li , Xutong Chen , Liwei Zhou , Xiaofeng Yin
Abstract: The preset disclosure provides a display control method, a timing controller IC and a display device. The method includes: acquiring a preset grayscale voltage of a target pixel unit and a backlight brightness of a backlight region corresponding to the target pixel unit, in a current output display frame; outputting a first grayscale voltage to the target pixel unit if the backlight brightness of the corresponding backlight region is less than or equal to a first preset brightness value; outputting a second grayscale voltage to the target pixel unit if the backlight brightness of the corresponding backlight region is greater than the first preset brightness value; wherein the second grayscale voltage is greater than the first grayscale voltage, and both the second grayscale voltage and the first grayscale voltage are greater than the preset grayscale voltage.
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公开(公告)号：US11373596B2
公开(公告)日：2022-06-28
申请号：US16622547
申请日：2019-06-13
Inventor： Jun Wang , Zhonghao Huang , Yongliang Zhao
IPC: G09G3/3258 , G09G3/3233
Abstract: A pixel circuit and a display device are provided. The pixel circuit includes: a driving transistor; a switching transistor for transmitting a data voltage signal to a first electrode of the driving transistor; a storage capacitor having a first terminal coupled to a control electrode of the driving transistor, and a second terminal coupled to a reference voltage terminal; a threshold voltage extraction unit for coupling the control electrode of the driving transistor to a second electrode of the driving transistor through the scan signal; a light emission control unit for transmitting a second power voltage to the first electrode of the driving transistor; a light emitting device having a first electrode coupled to a second electrode of the driving transistor and a second electrode receiving a first power voltage; a compensation unit for transmitting a compensation voltage to a second electrode of the switching transistor.
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公开(公告)号：US20210210641A1
公开(公告)日：2021-07-08
申请号：US16064087
申请日：2017-12-18
Inventor： Jun Wang , Zhonghao Huang , Yongliang Zhao , Seungmoo Rim
IPC: H01L29/786 , H01L29/66
Abstract: A thin film transistor is disclosed. The thin-film transistor includes an active layer (3); a source electrode (1); and a drain electrode (2). The active layer includes an active pattern region (4), the active pattern region including a main body portion (5) and a plurality of protrusion portions (6) on both sides of the main body portion. The protrusion portions are connected to the main body portion.
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10.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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