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:
Jun. 25, 2013
Filed:
Jan. 13, 2010
Takashi Futami, Tokyo, JP;
Takashi Futami, Tokyo, JP;
Stanley Electric Co., Ltd., Tokyo, JP;
Abstract
An optical lens for use in a vehicle light can be compact and less expensive and has an outer appearance that has a high commercial value and achieves a high light utilization efficiency. The optical lens can include a light incident surface that receives light from a light source and a light output surface to output the light. The light incident surface can include a center light incident surface formed at its center and being convex toward the light source with a plurality of prisms with a polygonal shape formed radially from its center to its periphery. The light output surface can include a toroidal surface corresponding to the center light incident surface and a surrounding light output surface corresponding to the prisms.