Title:
LIGHT EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/129461
Kind Code:
A1
Abstract:
The present invention provides a light-emitting device with a light guide member which is capable of emitting different colors of light suitable for different facility environments or user requests in accordance with the location of the light guide member. For this purpose, a light source member (10) has a plurality of light source members (100) formed with one or more light sources, and adjoining light sources (12) emit different colors. A light guide member (20) is provided with: a recessed portion (25) which is formed between incidence surfaces on which light is incident from the respective light sources (12) and has a recessed side surface for reflecting at least part of light entering from the incidence surfaces; a plurality of extending portions (201-204) which guide mainly the light that is incident on the incidence surfaces from the respective light sources; and cutouts which are formed between the extending portions.
Inventors:
SAKAMOTO MITSUHIDE (JP)
FUNABASHI TORU (JP)
FUNABASHI TORU (JP)
Application Number:
PCT/JP2013/055091
Publication Date:
September 06, 2013
Filing Date:
February 27, 2013
Export Citation:
Assignee:
SKG CO LTD (JP)
International Classes:
F21S2/00; F21V8/00; F21Y101/02
Domestic Patent References:
| WO2011148420A1 | 2011-12-01 |
Foreign References:
| JP2011249300A | 2011-12-08 | |||
| JP2010102188A | 2010-05-06 | |||
| JP3121625U | 2006-05-25 | |||
| JP3124753U | 2006-08-31 | |||
| JP2011228168A | 2011-11-10 | |||
| JP2011228167A | 2011-11-10 | |||
| JP2011175737A | 2011-09-08 | |||
| JP2011003367A | 2011-01-06 | |||
| JP2011029027A | 2011-02-10 | |||
| JP2010257847A | 2010-11-11 | |||
| JP2010257846A | 2010-11-11 |
Attorney, Agent or Firm:
Takaara Shinichi et al. (JP)
High roughness Shin-ichi (JP)
High roughness Shin-ichi (JP)
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Claims: