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:
Nov. 22, 2005
Filed:
Jan. 06, 2004
Katsumasa Yoshii, Fukushima-ken, JP;
Chie Chikira, Fukushima-ken, JP;
Katsumasa Yoshii, Fukushima-ken, JP;
Chie Chikira, Fukushima-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
A reflector having light diffusibility for suppressing a reflected image within a wide viewing angle range and having a particular brightness at a specific viewing angle range, and a reflective liquid crystal display device using the reflector, are provided. The reflectorcomprises a plurality of light-reflective concave portions, which are formed on a surface S of a substrate, wherein each of the concave portionsis formed with a first curved surface Alocated at one peripheral portion Sof the concave portionand a second curved surface Blocated at the other peripheral portion Sthereof, the deepest point Dis located on the first curved surface A, and the maximum value σbof the absolute value of the second curved surface Bto the surface S of the substrate is larger than that of the maximum value σaof the absolute value of the first curved surface Ato the surface S of the substrate.