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. 12, 2013
Filed:
Dec. 10, 2007
Dae Chul Park, Suwon-si, KR;
Eun Young Cho, Seoul, KR;
IN Sung Sohn, Seongnam-si, KR;
Jae Young Choi, Seoul, KR;
Dae Chul Park, Suwon-si, KR;
Eun Young Cho, Seoul, KR;
In Sung Sohn, Seongnam-si, KR;
Jae Young Choi, Seoul, KR;
Samsung Corning Precision Materials Co., Ltd., Gyeongsangbuk-Do, KR;
Abstract
Disclosed are an external light shielding film with a substrate including a transparent resin, an external light shielding pattern formed on a surface of the substrate and having a plurality of external light shielding parts including a light absorbing material, a method of manufacturing the external light shielding film, and a filter for a display having the external light shielding film. The light absorbing material consists of a base resin and a light absorbing substance, and at least one of a concentration of the light absorbing substance and a refractive index of the base resin varies in a stepwise manner.