The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 24, 2021

Filed:

Aug. 13, 2018
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventor:

Howon Choi, Paju-si, KR;

Assignee:

LG Display Co., Ltd, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/52 (2006.01); H01L 51/56 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3279 (2013.01); H01L 27/3246 (2013.01); H01L 27/3258 (2013.01); H01L 51/5209 (2013.01); H01L 51/5225 (2013.01); H01L 51/5228 (2013.01); H01L 51/5284 (2013.01); H01L 51/56 (2013.01); H01L 27/124 (2013.01); H01L 27/1248 (2013.01); H01L 27/322 (2013.01); H01L 2227/323 (2013.01); H01L 2251/5315 (2013.01);
Abstract

A light-emitting display device includes: a first substrate, a subpixel on the substrate, a contact area on the first substrate, a cover layer including first to third cover layer portions separated from each other, a first passivation layer, the first passivation layer exposing part of the third cover layer portion, a second passivation layer, a pixel electrode layer including a plurality of pixel electrode layer portions including: a first pixel electrode layer portion, and a second pixel electrode layer portion, an organic insulating layer, the organic insulating layer including: an opening exposing part of the first pixel electrode layer, and a contact hole exposing part of the second pixel electrode layer, an organic emissive layer, and a common electrode layer electrically connected to the second pixel electrode layer, wherein the opening includes a first undercut shape and a second undercut shape.


Find Patent Forward Citations

Loading…