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:
May. 14, 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:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/11 (2015.01); G02B 5/30 (2006.01); H10K 50/86 (2023.01);
U.S. Cl.
CPC ...
H10K 50/86 (2023.02); G02B 1/11 (2013.01); G02B 5/3016 (2013.01); G02B 5/3025 (2013.01); G02B 5/3083 (2013.01);
Abstract
A circularly polarizing plate capable of improving the tone of reflective color sense by using a retardation film having flat dispersion characteristics; and an OLED device comprising the circularly polarizing plate.