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Title:
VEHICULAR LIGHTING FIXTURE
Document Type and Number:
Japanese Patent JP2009245662
Kind Code:
A
Abstract:

To solve the following problem: in a conventional vehicular lighting fixture, only two lamp functions can be obtained by one lamp unit, and a light distribution pattern having cutoff lines such as a low beam light distribution pattern cannot be obtained.

The vehicular lighting fixture includes a reflector 2, a light source 3, a movable shade 29, a switching device 30, and a projection lens 5. The reflector 2 has an elliptical reflecting surface 8. The light source 3 has a first light-emitting member 11, a second light-emitting member 12, and a light-shielding member 10. The movable shade 29 moves between a first position and a second position by the switching device 30. As a result, the vehicular lighting fixture has: a first lamp function by which a low beam light distribution pattern having cutoff lines CL1, CL2, CL3; a second lamp function by which a high beam light distribution pattern HP can be obtained; and a third lamp function by which a daytime light distribution pattern DP can be obtained.


Inventors:
MATSUMOTO KAZUHIRO
Application Number:
JP2008088731A
Publication Date:
October 22, 2009
Filing Date:
March 28, 2008
Export Citation:
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Assignee:
ICHIKOH INDUSTRIES LTD
International Classes:
F21S8/10; F21V7/00; F21V14/00; F21W101/10; F21Y101/00
Domestic Patent References:
JPH05334902A1993-12-17
JP2006216551A2006-08-17
JP2007080521A2007-03-29
JPH02123003U1990-10-09
JP2001023417A2001-01-26
JP2005276761A2005-10-06
JP2001195910A2001-07-19
JP2007027067A2007-02-01
JP2007250383A2007-09-27
JPS4972977A1974-07-15
JP2007280882A2007-10-25
Attorney, Agent or Firm:
Hiroaki Sakai