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:
Apr. 08, 2014
Filed:
Nov. 05, 2009
Ju-sik Kang, Gyeonggi-do, KR;
Jeong-ho Park, Gyeonggi-do, KR;
Yu-mi Chang, Gyeonggi-do, KR;
SK Chemicals Co., Ltd., Suwon-Si, KR;
Abstract
A novel copper phthalocyanine compound with low absorptivity in the visible light region and high absorptivity in the near-infrared light region, and a near-infrared absorption filter using the same are disclosed. The near-infrared absorption copper phthalocyanine compound is represented by the following Formula 1, wherein, A, A, A, A, A, A, Aand Aare independently OR, SRor a halogen atom, wherein at least four thereof are OR; A, A, A, A, A, A, Aand Aare independently OR, SR, NRRor a halogen atom, wherein at least two thereof are NRR, and at least four thereof are OR; R, R, Rand Rare independently an alkyl group oftocarbon atoms, an aryl group oftocarbon atoms, or an aralkyl group oftocarbon atoms.