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:
Mar. 15, 2022
Filed:
Jun. 03, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Junwon Chang, Daejeon, KR;
Moon Soo Park, Daejeon, KR;
Kyun Il Rah, Daejeon, KR;
Sun Kug Kim, Daejeon, KR;
Nayoung Shin, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133531 (2021.01); G02B 5/305 (2013.01); G02F 1/133634 (2013.01); G02F 1/133638 (2021.01);
Abstract
This application relates to a laminate which comprises: a first polarization rotation layer; a second polarization rotation layer; and a positive C plate provided between the first polarization rotation layer and the second polarization rotation layer, the first polarization rotation layer comprises a first quarter wave plate, and the second polarization rotation layer comprises a first three-quarter wave plate and a liquid crystal display comprising the same.