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公开(公告)号：US20240071127A1
公开(公告)日：2024-02-29
申请号：US18381451
申请日：2023-10-18
发明人： Yajie Feng , Cheng Li , Yue Geng , Kuiyuan Wang , Zefei Li , Chaoyang Qi , Yi Dai , Xiaoguan Li , Yingzi Wang
IPC分类号： G06V40/13 , H01L23/552 , H01L27/146
CPC分类号： G06V40/1318 , H01L23/552 , H01L27/14603 , H01L27/14612 , H01L27/1462 , H01L27/14623 , H01L27/14636 , H01L27/14678
摘要： An optical sensor array substrate and an optical fingerprint reader are provided. The optical sensor array substrate includes a substrate including a detection area which includes a plurality of photosensitive pixels. Photosensitive pixel includes: a TFT arranged on the substrate; a storage capacitor arranged on the substrate and having a first capacitor plate, and a second capacitor plate electrically connected to the source or drain of the TFT; a photosensitive element, having one end electrically connected to the second capacitor plate; a first electrode layer electrically connected to another end of the photosensitive element. On the substrate, an orthographic projection of the second capacitor plate at least partially overlaps with that of the first electrode layer, and the first capacitor plate is located in the same layer and has the same material as the gate of the TFT.
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公开(公告)号：US12125310B2
公开(公告)日：2024-10-22
申请号：US18381451
申请日：2023-10-18
发明人： Yajie Feng , Cheng Li , Yue Geng , Kuiyuan Wang , Zefei Li , Chaoyang Qi , Yi Dai , Xiaoguan Li , Yingzi Wang
IPC分类号： G06V40/13 , H01L23/552 , H01L27/146
CPC分类号： G06V40/1318 , H01L23/552 , H01L27/14603 , H01L27/14612 , H01L27/1462 , H01L27/14623 , H01L27/14636 , H01L27/14678
摘要： An optical sensor array substrate and an optical fingerprint reader are provided. The optical sensor array substrate includes a substrate including a detection area which includes a plurality of photosensitive pixels. Photosensitive pixel includes: a TFT arranged on the substrate; a storage capacitor arranged on the substrate and having a first capacitor plate, and a second capacitor plate electrically connected to the source or drain of the TFT; a photosensitive element, having one end electrically connected to the second capacitor plate; a first electrode layer electrically connected to another end of the photosensitive element. On the substrate, an orthographic projection of the second capacitor plate at least partially overlaps with that of the first electrode layer, and the first capacitor plate is located in the same layer and has the same material as the gate of the TFT.
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公开(公告)号：US20230177866A1
公开(公告)日：2023-06-08
申请号：US17437229
申请日：2020-11-30
发明人： Yajie Feng , Cheng Li , Yue Geng , Kuiyuan Wang , Zefei Li , Chaoyang Qi , Yi Dai , Xiaoguan Li , Yingzi Wang
IPC分类号： G06V40/13 , H01L23/552 , H01L27/146
CPC分类号： G06V40/1318 , H01L23/552 , H01L27/14603 , H01L27/14612 , H01L27/1462 , H01L27/14623 , H01L27/14636 , H01L27/14678
摘要： An optical sensor array substrate and an optical fingerprint reader are provided. The optical sensor array substrate includes a substrate including a detection area which includes a plurality of photosensitive pixels. Photosensitive pixel includes: a TFT arranged on the substrate; a storage capacitor arranged on the substrate and having a first capacitor plate, and a second capacitor plate electrically connected to the source or drain of the TFT; a photosensitive element located on one side of the storage capacitor away from the substrate, and having one end electrically connected to the second capacitor plate; a first electrode layer located on one side of the photosensitive element away from the substrate and electrically connected to another end of the photosensitive element. An orthographic projection of the second capacitor plate on the substrate at least partially overlaps with an orthographic projection of the first electrode layer on the substrate.
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公开(公告)号：US11830278B2
公开(公告)日：2023-11-28
申请号：US17437229
申请日：2020-11-30
发明人： Yajie Feng , Cheng Li , Yue Geng , Kuiyuan Wang , Zefei Li , Chaoyang Qi , Yi Dai , Xiaoguan Li , Yingzi Wang
IPC分类号： G06V40/13 , H01L23/552 , H01L27/146
CPC分类号： G06V40/1318 , H01L23/552 , H01L27/1462 , H01L27/14603 , H01L27/14612 , H01L27/14623 , H01L27/14636 , H01L27/14678
摘要： An optical sensor array substrate and an optical fingerprint reader are provided. The optical sensor array substrate includes a substrate including a detection area which includes a plurality of photosensitive pixels. Photosensitive pixel includes: a TFT arranged on the substrate; a storage capacitor arranged on the substrate and having a first capacitor plate, and a second capacitor plate electrically connected to the source or drain of the TFT; a photosensitive element located on one side of the storage capacitor away from the substrate, and having one end electrically connected to the second capacitor plate; a first electrode layer located on one side of the photosensitive element away from the substrate and electrically connected to another end of the photosensitive element. An orthographic projection of the second capacitor plate on the substrate at least partially overlaps with an orthographic projection of the first electrode layer on the substrate.
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公开(公告)号：US11538848B2
公开(公告)日：2022-12-27
申请号：US17359507
申请日：2021-06-26
发明人： Yue Geng , Cheng Li , Zhonghuan Li , Kuiyuan Wang , Yi Dai , Zefei Li , Chaoyang Qi , Yajie Feng , Xiaoguan Li
IPC分类号： H01L27/146 , G06V40/13 , G06V40/12 , G06V10/147 , H01L27/30
摘要： Provided a fingerprint identification substrate and a manufacturing method therefor, a identification method, and a display apparatus. The fingerprint identification substrate includes a substrate and at least two kinds of identification pixels disposed on the substrate, a first identification pixel includes a first photodiode and a second identification pixel includes a second photodiode. The first photodiode includes a first electrode, a first photoelectric conversion layer and a second electrode, the second photodiode includes the first electrode, a second photoelectric conversion layer and the second electrode, and the first photoelectric conversion layer and the second photoelectric conversion layer have different spectral response characteristics to red light or infrared light.
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公开(公告)号：US11587966B2
公开(公告)日：2023-02-21
申请号：US17402670
申请日：2021-08-16
发明人： Yajie Feng , Cheng Li , Yue Geng , Kuiyuan Wang , Chaoyang Qi , Yi Dai , Zefei Li
IPC分类号： G01J1/44 , H01L27/146 , G06V40/13
摘要： A fingerprint acquisition apparatus includes a plurality of photoelectric conversion units and a first shading pattern. The first shading pattern includes at least one first shading block including a first opening, and an orthographic projection of the first opening in the first shading block on the base substrate is within an orthographic projection of a target photoelectric conversion unit corresponding to the first shading block on the base substrate.
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公开(公告)号：US20220165772A1
公开(公告)日：2022-05-26
申请号：US17402670
申请日：2021-08-16
发明人： Yajie Feng , Cheng Li , Yue Geng , Kuiyuan Wang , Chaoyang Qi , Yi Dai , Zefei Li
IPC分类号： H01L27/146 , G06K9/00
摘要： A fingerprint acquisition apparatus includes a plurality of photoelectric conversion units and a first shading pattern. The first shading pattern includes at least one first shading block including a first opening, and an orthographic projection of the first opening in the first shading block on the base substrate is within an orthographic projection of a target photoelectric conversion unit corresponding to the first shading block on the base substrate.
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