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:
Sep. 10, 2008
Satoshi Yamamura, Shizuoka, JP;
Takuya Kotajima, Shizuoka, JP;
Satoshi Yamamura, Shizuoka, JP;
Takuya Kotajima, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A lamp unit for a vehicle headlamp includes a projection lens disposed on an optical axis extending in a longitudinal direction of a vehicle and a plurality of light source units disposed rearwards of a rear focal plane of the projection lens. Each of the light source units includes a light emitting device; and a light guiding member having a front end light output port and adapted to guide light from the light emitting device to the front end light output port so as to allow the light be emitted from the front end light output port. The front end light output ports of the light guiding members of the respective light source units are arranged adjacent to each other in a horizontal direction in a vicinity of the rear focal plane.