US 2020/0350375 A1Published application

Organic light-emitting display panel and display apparatus

AssigneeShanghai Tianma Am-Oled Co., Ltd.

InventorsPengjuan Zhu, Zhiyong Xiong, Xu Lu

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Abstract

An organic light-emitting display panel has a display region including a fingerprint recognition region and light-emitting devices for displaying image, the display panel includes a driving device layer, an anode layer, a pixel definition layer, an organic light-emitting layer, and a cathode layer sequentially stacked; and an optical fingerprint recognition sensor located in the fingerprint recognition region and located at a side of the driving device layer away from the anode layer; the pixel definition layer includes sub-pixel openings corresponding to the light-emitting devices, each light-emitting device includes an anode corresponding to one sub-pixel opening, the anode being located in the anode layer and overlapping with a corresponding sub-pixel opening, the organic light-emitting layer is located in each sub-pixel opening, and the cathode layer overlaps with each sub-pixel opening; in the fingerprint recognition region, at least part of the light-emitting devices each have an anode being a transparent electrode.

Claims20

Dependent claims

An organic light-emitting display panel, the organic light-emitting display panel having a display region, the display region comprising a fingerprint recognition region and a plurality of light-emitting devices for displaying an image, the organic light-emitting display panel comprising:

a driving device layer, an anode layer, a pixel definition layer, an organic light-emitting layer, and a cathode layer, all of which are sequentially stacked;
and
an optical fingerprint recognition sensor located in the fingerprint recognition region and located at a side of the driving device layer facing away from the anode layer;
wherein the pixel definition layer comprises a plurality of sub-pixel openings corresponding to the plurality of light-emitting devices, each of the plurality of light-emitting device comprising an anode corresponding to one of the plurality of sub-pixel openings, the anode being located in the anode layer and overlapping with a corresponding one of the plurality of sub-pixel openings, the organic light-emitting layer being located in each of the plurality of sub-pixel openings, and the cathode layer overlapping with each of the plurality of sub-pixel openings;
and
in the fingerprint recognition region, at least a portion of the plurality of light-emitting devices each having an anode that is a transparent electrode.

3 more elements

A display apparatus, comprising an organic light-emitting display panel, wherein the organic light-emitting display panel has a display region, the display region comprising a fingerprint recognition region and a plurality of light-emitting devices for displaying an image, the organic light-emitting display panel comprises:

a driving device layer, an anode layer, a pixel definition layer, an organic light-emitting layer, and a cathode layer, all of which are sequentially stacked;
and
an optical fingerprint recognition sensor located in the fingerprint recognition region and located at a side of the driving device layer facing away from the anode layer;
wherein the pixel definition layer comprises a plurality of sub-pixel openings corresponding to the plurality of light-emitting devices, each of the plurality of light-emitting device comprising an anode corresponding to one of the plurality of sub-pixel openings, the anode being located in the anode layer and overlapping with a corresponding one of the plurality of sub-pixel openings, the organic light-emitting layer being located in each of the plurality of sub-pixel openings, and the cathode layer overlapping with each of the plurality of sub-pixel openings;
and
in the fingerprint recognition region, at least a portion of the plurality of light-emitting devices each having an anode that is a transparent electrode.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/573,945Filed 17 Sep 2019
Priority: CN 201910363589.430 Apr 2019
Published: 5 Nov 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

G06V 40/1318
Sensors therefor: using electro-optical elements or layers, e.g. electroluminescent sensing
H10K 59/1213
Characterised by the geometry or disposition of pixel elements: the pixel elements being TFTs
H10K 59/131
Active-matrix OLED [AMOLED] displays: interconnections, e.g. wiring lines or terminals
H10K 59/35
Devices specially adapted for multicolour light emission: comprising red-green-blue [RGB] subpixels