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:
Nov. 02, 2021

Filed:

May. 12, 2020
Applicant:

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

Inventors:

Dongmin Sim, Paju-si, KR;

Hyekyung Choi, Seoul, KR;

Kyunghoon Han, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/54 (2010.01); H01L 27/15 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 33/54 (2013.01); H01L 27/156 (2013.01); H01L 27/3246 (2013.01);
Abstract

A light emitting display apparatus includes an overcoating layer on a substrate and including a base portion and a protrusion portion. The light emitting display apparatus further includes a first electrode disposed to cover the base portion and a side portion of the protrusion portion. The light emitting display apparatus further includes a bank layer on a part of the first electrode. The light emitting display apparatus further includes a light emitting layer on the first electrode and the bank layer. The light emitting display apparatus further includes a second electrode on the light emitting layer. The bank layer includes a first part on the protrusion portion, a second part surrounding the first part and including an inclined upper surface, and a light extraction pattern on the first part adjacent to the second part.


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