Array substrate, manufacturing method thereof, and display apparatus
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United States of America Patent
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Feb 14, 2023
Grant Date -
N/A
app pub date -
Jan 7, 2019
filing date -
Aug 31, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An array substrate includes a substrate, a protection layer, and a photodiode. The protection layer is disposed over the substrate, has a single layer-structure, and is provided with a through-hole therein. The photodiode includes a lower electrode, a PN junction and an upper electrode, which are sequentially over the substrate. The PN junction is within the through-hole. The protection layer and the PN junction of the photodiode have a substantially same thickness. The array substrate further includes a thin-film transistor over the substrate. An orthographic projection of an active layer of the thin-film transistor on the substrate does not overlap with an orthographic projection of the PN junction of the photodiode on the substrate.
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