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:
Dec. 29, 2020
Filed:
Feb. 25, 2019
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventor:
Seung-Yong Song, Yongin-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5275 (2013.01); H01L 51/5246 (2013.01); H01L 51/5253 (2013.01); H01L 51/5262 (2013.01); H01L 51/56 (2013.01);
Abstract
In an organic light emitting display device according to an embodiment of the present disclosure, a light extraction reduction preventing layer is disposed between a display unit disposed on a substrate and an encapsulation layer for protecting the display unit, and as a result, light emission efficiency may be improved by reducing an amount of light dissipating while light generated from an emission layer of the display unit is extracted to the outside.