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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
技術領域
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

In the embodiment shown in FIG. 3, the first anode 31 and the first light-emitting layer 32 of the first light-emitting unit 3 extend to the second sub-pixel region 2 provided with the through hole 111 and the light detecting unit 4, and may compensate for light in the and solve the problem of light-emitting unevenness caused by the second sub-pixel region 2 lacking the light-emitting unit; At the same time, the projections of the first light-emitting layer 32 and the through-hole 111 on the substrate 2 do not overlap, so as to avoid interference on the light-to-light detection unit 4 caused by light emitted by the first light-emitting layer 32. Therefore, the fingerprint identification display panel of this embodiment improves both fingerprint identification accuracy and display effect of the display panel.

Referring to FIGS. 4 and 5, FIG. 4 schematically shows a schematic structural view of a second embodiment of a fingerprint identification display panel of present disclosure; and FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4.

As shown in FIGS. 4 and 5, the second embodiment of the fingerprint identification display panel of present disclosure includes a substrate 10 and a plurality of sub-pixel regions defined by a plurality of gate lines S and a plurality of data lines D intersected.

A first driving circuit 5 and a first light-emitting unit 3 electrically connected with the first driving circuit 5 are sequentially disposed on the substrate 10 and located in the plurality of first sub-pixel regions 1.

權利要求

1
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