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Title:
LUMINAIRE
Document Type and Number:
Japanese Patent JP2014002962
Kind Code:
A
Abstract:

To provide a luminaire which can emit light even in a side face direction or back direction and is easy to manufacture.

A luminaire includes a light source 3, a housing 2 which supports the light source and has an opening 8 for emitting light, and a prism 5 provided to the opening of the housing. The prism is provided at a position on which at least part of a light beam emitted within a range of a latitude angle of 0-30 degrees from the light source is incident, where the latitude angle is defined so that the forward direction of the light source is at 90 degrees, the side face direction is at 0 degrees, and the back direction is at -90 degrees.


Inventors:
YOKOTA MASAHIRO
TAKAHASHI TAKESHI
ONO OSAMU
MORITA SHUSUKE
OTA HIDEO
KAWAMURA NOBUO
OKAWA TAKESHI
MATSUDA SHUZO
NISHIMURA KOJI
Application Number:
JP2012138665A
Publication Date:
January 09, 2014
Filing Date:
June 20, 2012
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
F21S8/02; F21S2/00; F21V5/00; F21V5/02; F21V14/00; F21V17/00; F21V17/10; F21V19/00; F21Y101/02; F21Y103/00
Attorney, Agent or Firm:
Suzue International Patent Office
Kurata Masatoshi
Takakura Shigeo
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Takao Ako
Tadashi Inoue
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori



 
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