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:
Apr. 27, 2021

Filed:

Jun. 26, 2019
Applicant:

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

Inventors:

Yonghoon Choi, Paju-si, KR;

Jintae Kim, Paju-si, KR;

Dongmin Sim, Paju-si, KR;

KangJu Lee, Paju-si, KR;

Sookang Kim, Paju-si, KR;

Taeshick Kim, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5271 (2013.01); H01L 27/3258 (2013.01); H01L 51/5012 (2013.01); H01L 51/5209 (2013.01); H01L 51/5225 (2013.01); H01L 27/322 (2013.01); H01L 27/3213 (2013.01);
Abstract

Disclosed is a light emitting display device that can enhance light extraction efficiency of light which is emitted from a light emitting element. The light emitting display device includes an overcoating layer on a substrate and including a plurality of protruding portions, a first electrode on the plurality of protruding portions, a light emitting layer on the first electrode, and a second electrode on the light emitting layer. The first electrode has a contour which conforms to contour of the plurality of protruding portions. The light emitting layer has a contour different from the contours of the plurality of protruding portions.


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