Title:
車両用前照灯
Document Type and Number:
Japanese Patent JP4037289
Kind Code:
B2
Abstract:
A vehicular headlamp used for a vehicle, includes an infrared light source for generating red light and infrared light, a visible light source for generating visible light whose wavelength is different from that of the red light, an optical system for emitting the red light and visible light towards a substantially same emission area in front of the vehicle and a lighting circuit for turning on the infrared light and visible light sources with the strength in order that the chromaticity in the emission area based on the red light and visible light can correspond to white light within a predetermined range in chromaticity coordinates.
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Inventors:
Seiichiro Yagi
Application Number:
JP2003059444A
Publication Date:
January 23, 2008
Filing Date:
March 06, 2003
Export Citation:
Assignee:
Koito Manufacturing Co., Ltd.
International Classes:
B60R21/00; F21S8/10; B60Q1/14; B60Q1/18; F21S8/12; F21S10/02; F21V9/08; H01L31/12; F21W101/10; F21Y101/02
Domestic Patent References:
| JP2001229717A | ||||
| JP6010880U | ||||
| JP2000150960A |
Attorney, Agent or Firm:
Akihiro Ryuka