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Fingerprint identification display panel and fabricating method thereof, fingerprint identification display device

專利號
US10867155B2
公開日期
2020-12-15
申請人
BOE TECHNOLOGY GROUP CO., LTD.(CN Beijing)
發(fā)明人
Hao Zhang; Shiming Shi; Meng Zhao
IPC分類
G06K9/00; G06F3/041
技術(shù)領(lǐng)域
pixel,sub,light,emitting,substrate,region,projection,first,second,plurality
地域: Beijing

摘要

A fingerprint identification display panel includes: a substrate; a plurality of sub-pixel regions including a plurality of first, second sub-pixel regions. A first driving circuit and a first light-emitting unit electrically connected thereto are sequentially disposed on the substrate and located in the plurality of first sub-pixel regions. A light shielding layer having through holes are disposed on the substrate. A plurality of light detection units are disposed at a side of the light shielding layer adjacent to the substrate, and corresponds to through holes one by one. At least one through hole is disposed in the second sub-pixel region, and a ratio of an area of an orthographic projection of the through hole on the substrate to an area of an orthographic projection of the second sub-pixel region on the substrate is greater than or equal to 30%.

說明書

According to an embodiment of present disclosure, the second sub-pixel region is disposed adjacent to the first sub-pixel region, the first light-emitting unit located in the first sub-pixel region includes a first anode and a first light-emitting layer both extending to the second sub-pixel region, and orthographic projections of portions of the first light-emitting layer and the first anode extending to the second sub-pixel region on the substrate do not overlap with an orthographic projection of the through hole on the substrate.

According to an embodiment of present disclosure, the color of light emitted by the first light-emitting layer is green.

According to an embodiment of present disclosure, a first transparent cathode is disposed at a side of the first light-emitting layer away from the first anode, and the first transparent cathode covers a plurality of first sub-pixel regions and a plurality of second sub-pixel regions.

According to an embodiment of present disclosure, the ratio of the area of the orthographic projection of the through hole on the substrate to the area of the orthographic projection of the second sub-pixel region on the substrate is about 50%.

According to an embodiment of present disclosure, the plurality of second sub-pixel regions and the plurality of through holes is in one-to-one correspondence;

According to another aspect of present disclosure, a fingerprint identification display device includes the fingerprint identification display panel of present disclosure.

權(quán)利要求

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