Title:
照明器具
Document Type and Number:
Japanese Patent JP6909973
Kind Code:
B2
Abstract:
To provide a lighting fixture which includes a substrate on which a plurality of LED elements are arranged, and in which color unevenness of light emitted from the lighting fixture is suppressed.SOLUTION: A lighting fixture 1 includes: a fixture body 10; a light source substrate 21 mounted on the fixture body 10; and a plurality of LED elements 22 arranged side by side in an annular manner on the light source substrate 21. Each of the plurality of LED elements 22 has an LED light source 24 and a wavelength conversion material 26a, and emits synthetic light generated by blue light emitted by the LED light source 24 and yellow light which is the light after conversion of the blue light by the wavelength conversion material 26a being synthesized. In each of the plurality of LED elements 22, the ratio of the yellow light included in the synthetic light emitted in an A axis direction is larger than the ratio of the yellow light included in the synthetic light emitted in a B axis direction. Each of the plurality of LED elements 22 is arranged on the light source substrate 21 in a posture so that the A axis direction is not orthogonal to the direction in which the plurality of LED elements 22 are arranged.SELECTED DRAWING: Figure 7
Inventors:
Takashi Kanda
Application Number:
JP2017132966A
Publication Date:
July 28, 2021
Filing Date:
July 06, 2017
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F21V13/02; F21S2/00
Domestic Patent References:
| JP2014013744A | ||||
| JP2010199435A |
Attorney, Agent or Firm:
Hiromori Arai
Eisaku Teratani
Shinichi Michisaka
Eisaku Teratani
Shinichi Michisaka