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:
Dec. 28, 2021

Filed:

Nov. 20, 2019
Applicant:

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

Inventors:

Hyeongjun Lim, Paju-si, KR;

Wooram Youn, Paju-si, KR;

Minki Kim, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5265 (2013.01); H01L 27/3246 (2013.01); H01L 51/5209 (2013.01); H01L 51/5218 (2013.01); H01L 51/5234 (2013.01); H01L 51/5256 (2013.01); H01L 51/5271 (2013.01); H01L 27/322 (2013.01); H01L 27/3211 (2013.01); H01L 51/5275 (2013.01);
Abstract

An electroluminescent display device includes: a substrate, a first subpixel on the substrate, a second subpixel on the substrate, a third subpixel on the substrate, a respective first electrode in each of the first to third subpixels, an emission layer on the first electrodes, a common second electrode on the emission layer, an encapsulation layer including: a first encapsulation layer on the second electrode, and a second encapsulation layer on the first encapsulation layer, and a first semi-transmissive layer between the first encapsulation layer and the second encapsulation layer, the first semi-transmissive layer overlapping the first electrode of the first subpixel.


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