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Title:
A luminescent device and the light source for projectors using it
Document Type and Number:
Japanese Patent JP6253392
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To increase the output of a reflection type light-emitting device using a light source emitting laser light and especially, and to provide a light-emitting device capable of obtaining high output as a light source for green color.SOLUTION: The light-emitting device includes a light source 10 emitting laser light and a light-emitting part 20 arranged spatially away from the light source. The light-emitting part includes a substrate 30, a phosphor layer 21 arranged on the substrate, and a reflection layer 22 arranged between the substrate and the phosphor layer. Further, the light-emitting device includes optical path adjustment means for changing the propagation direction of the laser light propagating through the phosphor layer. The optical path adjustment means is, for instance, an interpolation material dispersed in the phosphor layer or a white ceramic layer arranged in contact with the phosphor layer.

Inventors:
星野 真也
Application Number:
JP2013261551A
Publication Date:
December 27, 2017
Filing Date:
December 18, 2013
Export Citation:
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Assignee:
スタンレー電気株式会社
International Classes:
H01S5/022; F21S2/00; G02B1/10; G03B21/14; H01L33/50
Domestic Patent References:
JP2013203822A
JP2013134424A
JP4340905A
JP2012226986A
JP2011168627A
JP2012190628A
JP2012062444A
JP2011198800A
JP2007284333A
JP2012008549A
JP2014186882A
JP2014179231A
JP2012083695A
JP2013232479A
Attorney, Agent or Firm:
特許業務法人 山王坂特許事務所