Title:
LIGHT SOURCE DEVICE
Document Type and Number:
Japanese Patent JP2020061344
Kind Code:
A
Abstract:
To provide a light source device that can improve uniformity of an amount of light on an irradiated surface.SOLUTION: In a light source device 1, a plurality of light emitting diodes 2 are arranged on a plane. A light distribution angle of each of the light emitting diodes 2 is less than 50° or larger than 80°.SELECTED DRAWING: Figure 4
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Inventors:
HAGIWARA MAMORU
Application Number:
JP2018203282A
Publication Date:
April 16, 2020
Filing Date:
October 12, 2018
Export Citation:
Assignee:
USK TECH CO LTD
International Classes:
F21S2/00; C02F1/32; G02B19/00; H01L33/00
Domestic Patent References:
JP2012211984A | 2012-11-01 | |||
JP2015167512A | 2015-09-28 | |||
JP2008070865A | 2008-03-27 | |||
JP2014523650A | 2014-09-11 |
Foreign References:
WO2007100008A1 | 2007-09-07 |