Title:
LIGHT SOURCE UNIT AND LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/080006
Kind Code:
A1
Abstract:
Provided is a light source unit having improved light extraction efficiency. The light source unit 30 comprises: a rectangular light-emitting element substrate 12 on which a plurality of light-emitting elements 11 that form a rectangular shape are mounted in a matrix; a reflective member 14 that is provided so as to surround a rectangular light-emitting element mounting area X on the light-emitting element mounting surface of the light-emitting element substrate 12, said reflective member 14 having a shape that widens in the main emission direction of the plurality of light-emitting elements 11; and a translucent cover 20 provided so as to cover the reflective member 14 and the light-emitting element mounting area X. The power consumption per light-emitting element 11 is 0.1 W to 0.7 W. The length L2 of the light-emitting element mounting area X in the lengthwise direction thereof is 82% or less of the length L1 of the light-emitting element substrate 12 in the lengthwise direction thereof. The length L4 of the light-emitting element mounting area X in the short-side direction thereof is 52% or less of the length L3 of the light-emitting element substrate 12 in the short-side direction thereof.
Inventors:
SASAJIMA JUN (JP)
KADOHAMA MASAYOSHI (JP)
KADOHAMA MASAYOSHI (JP)
Application Number:
PCT/JP2015/067183
Publication Date:
May 26, 2016
Filing Date:
June 15, 2015
Export Citation:
Assignee:
IRISOHYAMA INC (JP)
International Classes:
F21S8/04; F21V19/00; F21V23/00
Foreign References:
| JP2010003674A | 2010-01-07 | |||
| JP2013246882A | 2013-12-09 | |||
| JP2011029187A | 2011-02-10 | |||
| JP2009289772A | 2009-12-10 | |||
| JP2011023138A | 2011-02-03 | |||
| JP2009135402A | 2009-06-18 | |||
| JP2011253711A | 2011-12-15 | |||
| JP2009206062A | 2009-09-10 |
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