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:
Jul. 07, 2020
Filed:
Mar. 11, 2016
Lg Chem, Ltd., Seoul, KR;
Tae Gyun Kwon, Daejeon, KR;
Su Young Ryu, Daejeon, KR;
Young Shin Lee, Daejeon, KR;
Moon Soo Park, Daejeon, KR;
Seong Min Lee, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
An optical film, a production method therefor, a lighting device and a display device are provided. The present application is capable of providing an optical film having excellent color purity and efficiency, the optical film being capable of providing a lighting device having excellent color characteristics. The optical film of the present application can stably maintain the above described excellent characteristics for a long period of time. The optical film of the present application can be used in various applications, including various lighting devices, photovoltaic cell applications, optical filters or photoconverters.