Invention Grant
- Patent Title: Vehicle lamp
- Patent Title (中): 车灯
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Application No.: US12891792Application Date: 2010-09-27
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Publication No.: US08371731B2Publication Date: 2013-02-12
- Inventor: Yasuyuki Zanma
- Applicant: Yasuyuki Zanma
- Applicant Address: JP Tokyo
- Assignee: Stanley Electric Co., Ltd.
- Current Assignee: Stanley Electric Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Kenealy Vaidya LLP
- Priority: JP2009-220843 20090925
- Main IPC: F21V7/00
- IPC: F21V7/00

Abstract:
A vehicle lamp can include a light source, a reflector and a lens. The reflector can be formed in a slender shape so as to include a parabolic reflex surface in a longitudinal direction and an ellipsoidal reflex surface in a direction substantially perpendicular to the longitudinal direction. A focus of the parabolic reflex surface and one of the focuses of the ellipsoidal reflex surface can be located at the light source, and other focuses of the ellipsoidal reflex surface can be substantially parallel with a central axis of the lens. The reflector can reflect light emitted from the light source toward the lens with a wide angle so that light use efficiency of the light source can improve as compared with certain conventional vehicle lamps. Thus, the vehicle lamp can provide a favorable light distribution even when it is formed in a slender shape.
Public/Granted literature
- US20110075436A1 VEHICLE LAMP Public/Granted day:2011-03-31
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