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. 02, 2010
Filed:
Mar. 02, 2007
Kenji Inoue, Hyogo, JP;
Kenji Inoue, Hyogo, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A composite optical deviceincludes a first optical sectionhaving an optical functional surfaceand a second optical sectionbonded to the first optical sectionon the optical functional surface. The optical functional surfaceincludes a smooth partand a concave-convex partadjacent to each other, and is constructed so that a position P, along a normal direction of the smooth part, of a concave bottom of the concave-convex partcan be closer to the center of the first optical sectionthan a position Palong the normal direction of an end of the smooth parton a side of the concave-convex partin a boundary vicinity portion NR between the smooth partand the concave-convex part