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.

Date of Patent:
Aug. 24, 2004

Filed:

Apr. 18, 2002
Applicant:
Inventors:

Naohide Wakita, Suita, JP;

Seiji Nishiyama, Hirakata, JP;

Mariko Kawaguri, Moriguchi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 ; G02F 1/1335 ;
U.S. Cl.
CPC ...
G02B 5/02 ; G02F 1/1335 ;
Abstract

In a reflector comprising a reflecting film formed on a surface having depressions and protrusions, wherein each of the depressions and protrusions has a vertex and is composed of a curved surface formed so as to be convex up or convex down and a surrounding portion including a valley or a ridge surrounding the curved surface with an inflection point of the curved surface serving as a boundary between the curved surface and the surrounding portion; and wherein when the curved surface is convex up, the inflection point is on the valley side of the midpoint between the vertex and the valley, whereas when the curved surface is convex down, the inflection point is on the ridge side of the midpoint between the vertex and the ridge.


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