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. 02, 2018
Filed:
Nov. 10, 2015
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Cheil Industries Inc., Kumi, Kyungsangbuk-do, KR;
Hyung Jun Kim, Suwon-si, KR;
Moon Yeon Lee, Osan-si, KR;
Kyu Yeol In, Seoul, KR;
Woo Joong Kim, Uiwang-si, KR;
Jong Hoon Won, Yongin-si, KR;
Myung Sup Jung, Seongnam-si, KR;
Won Cheol Jung, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
CHEIL INDUSTRIES INC., Kyungsangbuk-Do, KR;
Abstract
An optical film including a polymer including a repeating unit A including a repeating unit represented by the following Chemical Formulas 1 to 3, or a combination thereof; and a repeating unit B derived from a monomer having an unsaturated bond copolymerizable with the repeating unit A, wherein the optical film has a short wavelength dispersion of an in-plane phase-difference value (R) (450 nm/550 nm) ranging from about 0.81 to about 1.20, and a long wavelength dispersion of an in-plane phase-difference value (R) (650 nm/550 nm) ranging from about 0.90 to about 1.18: wherein, in Chemical Formulas 1 to 3, the variables Rto Rare defined herein.