Title:
SOLID LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2016028371
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a solid lighting device which controls chromaticity or a color temperature of illumination light.SOLUTION: A solid lighting device includes: a light source part; a light conversion layer; a direction conversion part; an energy conversion element; and a function element. The light source part has solid light-emitting elements. The light conversion layer includes a wavelength conversion material, which absorbs light beams from the solid light-emitting elements and converts the light beams into wavelength conversion light, and has two regions which emit illumination light having different emission spectrums. The direction conversion part includes: an incident part into which the light beams are introduced; and a radiation part which radiates the light beams to the light conversion layer. The energy conversion element converts light or heat into electricity. The function element changes radiation directions of the light beams from the direction conversion part between the first region and the second region by using electric energy generated by the energy conversion element.SELECTED DRAWING: Figure 1
Inventors:
KINOSHITA JUNICHI
Application Number:
JP2012249634A
Publication Date:
February 25, 2016
Filing Date:
November 13, 2012
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
F21V14/00; F21S2/00; F21V8/00; F21V9/16; F21V14/06; F21V29/00; G02B26/08; H01L33/00
Attorney, Agent or Firm:
Masahiko Hinataji
Junichi Kozaki
Hiroshi Ichikawa
Soichi Homma
Tatsutetsu Shirai
Junichi Kozaki
Hiroshi Ichikawa
Soichi Homma
Tatsutetsu Shirai