Title:
LAMP FOR VEHICLES
Document Type and Number:
WIPO Patent Application WO/2014/199563
Kind Code:
A1
Abstract:
A vehicle lamp (100) comprising: a light source (20); and a light guide body (10) arranged such that light emitted from the light source (20) is incident from one end surface (10a). The light guide body (10) emits light guided inside the light guide body, from an emission surface (10b) along the extension direction of the light guide body towards the front direction of the vehicle. The light guide body (10) has: a reflection step (10c) whereby the light guided inside the light guide body (10) formed on a surface on the opposite side to the emission surface (10b) is reflected towards the emission surface (10b); and a plurality of diffusion steps (12a, 12b, 14a, 14b) formed on the one end surface (10a), each having an arc-shaped cross-section when the one end surface is cut in the substantially horizontal direction, and which extend in the same shape in the substantially vertical direction.
Inventors:
NATSUME KAZUNORI (JP)
TOTSUKA TAKAHIRO (JP)
SUZUKI TAKAYUKI (JP)
TOTSUKA TAKAHIRO (JP)
SUZUKI TAKAYUKI (JP)
Application Number:
PCT/JP2014/002600
Publication Date:
December 18, 2014
Filing Date:
May 16, 2014
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
F21S8/10; F21Y101/02
Foreign References:
| JP2011076858A | 2011-04-14 | |||
| JP2002196151A | 2002-07-10 | |||
| JP2012174641A | 2012-09-10 |
Attorney, Agent or Firm:
MORISHITA, SAKAKI (JP)
Sakaki Morishita (JP)
Sakaki Morishita (JP)
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