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.
Patent No.:
Date of Patent:
Sep. 24, 2019
Filed:
Sep. 26, 2018
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Yong-Hoon Choi, Paju-si, KR;
Won-Hoe Koo, 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 31/0236 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5275 (2013.01); H01L 27/3225 (2013.01); H01L 27/3244 (2013.01); H01L 31/02366 (2013.01); H01L 51/5209 (2013.01); H01L 51/5225 (2013.01);
Abstract
An electroluminescent display device includes a substrate including an emissive area and a non-emissive area, a plurality of protrusions over the substrate and in the emissive area, each of the plurality of protrusions spaced apart from each other with an air gap therebetween, a high-viscosity material layer on the plurality of protrusions and the air gaps, a first electrode on the high-viscosity material layer, an emitting layer on the first electrode, and a second electrode on the emitting layer.