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:
Jan. 03, 2023

Filed:

Aug. 17, 2020
Applicant:

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

Inventors:

SoJung Lee, Goyang-si, KR;

JongSung Kim, Paju-si, KR;

Seungkyeom Kim, Paju-si, KR;

Sumin Lee, Susan, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5271 (2013.01); H01L 27/3246 (2013.01); H01L 51/5218 (2013.01); H01L 27/323 (2013.01); H01L 2227/323 (2013.01); H01L 2251/5315 (2013.01);
Abstract

According to an aspect of the present disclosure, a light emitting display device includes a substrate defined by a plurality of sub-pixels and a first overcoating layer disposed on the substrate, a connection electrode and a sacrificial layer disposed on the first overcoating layer, a first electrode disposed on the connection electrode, a second overcoating layer disposed on the sacrificial layer and including an opening that exposes a portion of the first electrode, a dummy first electrode disposed on a top surface of the second overcoating layer and a side surface of the opening and separated from the first electrode, a bank layer covering the dummy first electrode and a portion of the first electrode, and an emission layer and a second electrode disposed on the first electrode and the bank layer.


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