Title:
Optical unit
Document Type and Number:
Japanese Patent JP6072751
Kind Code:
B2
Abstract:
Disclosed is an optical unit wherein a rotating reflector (26) rotates about a rotation axis in one direction, while reflecting light emitted from a light source. The rotating reflector (26) is provided with a reflecting surface such that the light reflected by the rotating reflector, while rotating, forms a desired light distribution pattern, said light having been emitted from the light source. The light source is composed of light emitting elements. The rotation axis is provided within a plane that includes an optical axis and the light source. The rotating reflector (26) is provided with, on the periphery of the rotation axis, a blade that functions as the reflecting surface.
Inventors:
Satoshi Yamamura
Application Number:
JP2014227060A
Publication Date:
February 01, 2017
Filing Date:
November 07, 2014
Export Citation:
Assignee:
Koito Manufacturing Co., Ltd.
International Classes:
F21S8/12; F21S8/10; F21V7/00; F21V7/09; F21V14/04; F21V29/505; G01S13/931
Domestic Patent References:
| JP2005338630A | ||||
| JP2004071393A | ||||
| JP2003228020A | ||||
| JP2007134340A |
Attorney, Agent or Firm:
Sakaki Morishita
Yusuke Murata
Tomoyuki Miki
Yusuke Murata
Tomoyuki Miki