Title:
LUMINAIRE
Document Type and Number:
Japanese Patent JP2018006250
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a novel luminaire capable of illuminating an irradiation region according to a shape of a surface to be illuminated of a rectangular shape with a moderate size, such as a poster, a signboard, a painting or a board.SOLUTION: A luminaire is configured to illuminate a planar surface to be illuminated of an object 30 to be illuminated, and includes at least a light source part 10 containing one or more solid light source, and an optical system 20 having positive power. The luminaire is configured to image light flux from the light source 10 on the surface to be illuminated or the vicinity thereof by the optical system 20, according to the shape and size of the surface to be illuminated, thereby illuminating the surface to be illuminated.SELECTED DRAWING: Figure 1
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Inventors:
NAGASE OSAMU
Application Number:
JP2016134479A
Publication Date:
January 11, 2018
Filing Date:
July 06, 2016
Export Citation:
Assignee:
RICOH IND SOLUTIONS INC
International Classes:
F21V13/02; F21V5/00; F21V5/04; F21V7/00; F21V7/04; F21V8/00; F21V13/12
Domestic Patent References:
| JPWO2008111275A1 | 2010-06-24 | |||
| JP2001013586A | 2001-01-19 | |||
| JP2012014853A | 2012-01-19 | |||
| JPH10189428A | 1998-07-21 | |||
| JP2004258620A | 2004-09-16 |
Attorney, Agent or Firm:
Shuichi Kudo
Toru Kabayama
Shogo Honda
Toru Kabayama
Shogo Honda