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:
Feb. 05, 2002
Filed:
Aug. 24, 2000
Takuji Oyama, Kanagawa, JP;
Tomohiro Yamada, Kanagawa, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
A light absorptive antireflector comprising a substrate, and a first layer of a light absorptive film, a second layer made of a material which has slight absorption within a visible light region and a third layer made of a material which has a refractive index smaller than 1.55, sequentially formed on the substrate, which has an adequate low reflection performance within a wide range of a wavelength region and which has an electromagnetic shielding ability and a low luminous transmittance suitable for improving the contrast of a display, has freeness in transmittance and reflection color and is excellent also in the productivity, and a method for its production.