Title:
LIGHT SOURCE UNIT AND FLOOD LIGHT
Document Type and Number:
Japanese Patent JP2003281905
Kind Code:
A
Abstract:
To obtain a light source unit for use with a flood light where a calorific value is low and electric lamps are prevented from blowing.
This unit comprises an installation curved surface body 3 comprising an installation surface 6 having a curvature at least in one direction, and a plurality of LEDs 4 disposed on the installation surface 6 so as to orient in the direction substantially uniformly illuminating a prescribed lighting range. Using the LEDs 4 as light sources enables the calorific value to be low and the electric lamps to be prevented from blowing in the light source unit 2.
Inventors:
KITADA TAKAO
SUMIYOSHI HIROTAKA
SUMIYOSHI HIROTAKA
Application Number:
JP2002085820A
Publication Date:
October 03, 2003
Filing Date:
March 26, 2002
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
N H K TECHNICAL SERVICE KK
TOSHIBA SHOMEI SYSTEM KK
N H K TECHNICAL SERVICE KK
TOSHIBA SHOMEI SYSTEM KK
International Classes:
F21V21/30; F21S8/04; F21S10/00; F21W131/406; F21Y101/02; (IPC1-7): F21S8/04; F21S10/00; F21V21/30
Attorney, Agent or Firm:
Masashi Kashiwagi (2 others)
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