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:
Jan. 09, 2024
Filed:
May. 29, 2022
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); H10K 50/858 (2023.01); H10K 50/85 (2023.01); H10K 50/844 (2023.01); H10K 50/842 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/858 (2023.02); H10K 50/844 (2023.02); H10K 50/8426 (2023.02); H10K 50/85 (2023.02); H10K 71/00 (2023.02);
Abstract
An organic light emitting display device including a light extraction reduction preventing layer disposed between a display unit disposed on a substrate and an encapsulation layer for protecting the display unit, which improves light emission efficiency by reducing an amount of light dissipating while light generated from an emission layer of the display unit is extracted to the outside.