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:
Jun. 11, 2024
Filed:
Nov. 04, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Yeon Keun Lee, Daejeon, KR;
Hyun Hee Son, Daejeon, KR;
Mun Kyu Joo, Daejeon, KR;
Deok Hwan Kim, Daejeon, KR;
Dong Choon Kim, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/00 (2023.01); G02B 1/11 (2015.01); G02B 5/22 (2006.01); G02B 5/30 (2006.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
H10K 59/8791 (2023.02); G02B 1/11 (2013.01); G02B 5/223 (2013.01); G02B 5/3033 (2013.01); G02B 5/3083 (2013.01); G02B 5/3016 (2013.01);
Abstract
Provided is a circularly polarizing plate capable of improving a reflection color by using a retardation film with flat dispersion characteristics, and an OLED device comprising the circularly polarizing plate.