Title:
LAMP
Document Type and Number:
WIPO Patent Application WO/2015/137214
Kind Code:
A1
Abstract:
A lamp (1) is provided with two lenses (11, 12) on the upper side of a light source (4). The light source (4) includes a planar light-emitting body (7), and the lenses (11, 12) are formed in a triangular prism shape. The lens (11) includes an incident surface (111) on which light is incident from the planar light-emitting body (7), a light-splitting surface (112) that internally reflects some of the incident light and transmits the remainder to the lens (12), and an emission surface (113) for emitting the internal-reflection light to the front of the lamp. The lens (12) includes an incident surface (121) on which the light transmitted from the lens (11) is incident, an internal-reflection surface (122) for internally reflecting the incident light, and an emission surface (123) for emitting the internal-reflection light.
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Inventors:
SHIDO MASAYA (JP)
ITO YOSHIRO (JP)
ITO YOSHIRO (JP)
Application Number:
PCT/JP2015/056385
Publication Date:
September 17, 2015
Filing Date:
March 04, 2015
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
F21S8/10; F21V5/02; F21Y105/00
Foreign References:
| JP2014008876A | 2014-01-20 | |||
| JP2008171687A | 2008-07-24 | |||
| JP2011003281A | 2011-01-06 | |||
| US20050073229A1 | 2005-04-07 | |||
| JP2006222030A | 2006-08-24 |
Attorney, Agent or Firm:
Shin-Ei Patent Firm, P. C. (JP)
Patent business corporation Shin-Ei Patent Firm (JP)
Patent business corporation Shin-Ei Patent Firm (JP)
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