Title:
車両用灯具ユニット、及び、車両用灯具
Document Type and Number:
Japanese Patent JP5440857
Kind Code:
B2
Abstract:
A vehicle light unit can convert an LED light source to a linear light emitting state and can be incorporated into a vehicle light. The vehicle light unit can include a first to fourth lens part in front of an LED light source. The first to third lens parts can convert the point light source or the LED light source into a linear light emitting portion with improved light utilization efficiency by providing first to fourth total reflection surfaces utilizing internal reflection to the third lens part. The light rays through the linear light emitting portion can be incident on the fourth lens part. The fourth lens part can include a plate-shaped light guiding portion with a plurality of total reflection surfaces on one surface and corresponding lens cut portions on the other opposite surface.
Inventors:
Takashi Futami
Application Number:
JP2010049248A
Publication Date:
March 12, 2014
Filing Date:
March 05, 2010
Export Citation:
Assignee:
Stanley Electric Co., Ltd.
International Classes:
F21S8/10; F21Y101/02
Domestic Patent References:
| JP2008518411A | ||||
| JP2007287490A |
Foreign References:
| WO2008069143A1 |
Attorney, Agent or Firm:
Kenzo Matsuura