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公开(公告)号：EP4206981A1
公开(公告)日：2023-07-05
申请号：EP21943555.9
申请日：2021-06-03
发明人： FENG, Yajie , LI, Cheng , GENG, Yue , WANG, Kuiyuan , LI, Zhonghuan , DAI, Yi , QI, Chaoyang , LI, Zefei , LI, Xiaoguan , XI, Congcong
IPC分类号： G06K9/00
摘要： The present invention provides a print identification substrate and a print identification apparatus. The print identification substrate comprises a base substrate, which comprises data lines and gate lines crossing each other; a light shielding structure, located on the base substrate, and comprising at least one metal layer, wherein an orthographic projection of the light shielding structure on the base substrate and orthographic projections of the data lines and the gate lines on the base substrate do not overlap each other; a photoelectric conversion structure, located on the side of the light shielding structure away from the base substrate, an orthographic projection of the photoelectric conversion structure on the base substrate being located in an orthographic projection of the light shielding structure on the base substrate, and a distance between an edge of the photoelectric conversion structure and an edge of the light shielding structure being less than or equal to 3 µm.
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公开(公告)号：EP4206980A1
公开(公告)日：2023-07-05
申请号：EP21942294.6
申请日：2021-05-26
发明人： FENG, Yajie , LI, Cheng , GENG, Yue , WANG, Kuiyuan , LI, Zhonghuan , DAI, Yi , QI, Chaoyang , LI, Zefei , XI, Congcong , LI, Xiaoguan
IPC分类号： G06K9/00
摘要： Provided in the present disclosure are a ridge recognition substrate and a ridge recognition apparatus. The ridge recognition substrate comprises: a base substrate, which comprises a photosensitive area and a light-shielding area, which is located on at least one side of the photosensitive area; a plurality of photosensitive devices, which are arranged in the photosensitive area in an array, wherein the photosensitive devices each comprise a first electrode, a photoelectric conversion structure and a second electrode, which are arranged in a stacked manner, the photoelectric conversion structure being electrically connected to the first electrode, and the photoelectric conversion structure being in direct contact with the second electrode; and a plurality of virtual devices, which are arranged in the light-shielding area in an array, wherein the virtual devices each comprise a third electrode, an equivalent dielectric layer and a fourth electrode, the third electrode and the first electrode being in the same layer, the fourth electrode being located on the side of the layer, where the second electrode is located, that faces away from the base substrate, and the equivalent dielectric layer being located between the layer where the third electrode is located and the layer where the fourth electrode is located; and the virtual devices are configured to not perform photoelectric conversion.
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