Title:
LUMINAIRE
Document Type and Number:
Japanese Patent JP2014229476
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a luminaire which illuminates a wide range along an arbitrary direction uniformly in a state where illumination efficiency is enhanced by reducing light that does not contribute to illumination.SOLUTION: A luminaire 100 includes: a plurality of light source elements 110 each of which is configured by a light emitting diode 111 and a condenser lens 112 for condensing and emitting the light of the light emitting diode 111; and an anisotropic light diffusion sheet 120 arranged on the light emission side of the condenser lens 112. The anisotropic light diffusion sheet 120 extends in a Y direction, that is, a width direction of the luminaire 100, and has a wave-like irregular pattern 121 facing the condenser lens 112.
Inventors:
YOSHIDA MASARU
SASAKI SHIN
ITO YOSHIAKI
OKAYASU TOSHIKI
SASAKI SHIN
ITO YOSHIAKI
OKAYASU TOSHIKI
Application Number:
JP2013108191A
Publication Date:
December 08, 2014
Filing Date:
May 22, 2013
Export Citation:
Assignee:
HOKUMEI ELECTRIC INDUSTRY CO LTD
NEXCO ENGINEERING TOHOKU CO LTD
OJI HOLDINGS CORP
NEXCO ENGINEERING TOHOKU CO LTD
OJI HOLDINGS CORP
International Classes:
F21S8/08; F21S2/00; F21V3/00; F21V5/00; F21V5/04; F21V13/12; F21V14/00; G02B3/04; G02B5/02
Domestic Patent References:
| JP2013008520A | 2013-01-10 | |||
| JP3157161U | 2010-01-28 | |||
| JP2011003532A | 2011-01-06 |
Attorney, Agent or Firm:
Takashi Tsuno
Mitsuharu Oda
Kato It comes.
Mitsuharu Oda
Kato It comes.