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:
Dec. 14, 2010
Filed:
May. 16, 2005
Motonobu Yoshikawa, Osaka, JP;
Yoshiharu Yamamoto, Toyonaka, JP;
Michihiro Yamagata, Osaka, JP;
Yasuhiro Tanaka, Nishinomiya, JP;
Motonobu Yoshikawa, Osaka, JP;
Yoshiharu Yamamoto, Toyonaka, JP;
Michihiro Yamagata, Osaka, JP;
Yasuhiro Tanaka, Nishinomiya, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A light-absorbing member has a substrate () made of a material capable of absorbing light of which reflection is to be prevented, and an antireflection structure () having structural elements arranged on the surface of the curve in an array form at a period smaller than the wavelength of the light. The substrate having the shape of a curve viewed from a macroscopic viewpoint. The structural elements have a shape protruding or being recessed from a reference face corresponding to the curve of the substrate, and are arranged so that the straight lines connecting the reference face to the tips of the respective structural elements are nearly parallel to one another.