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Patent Searching and Data


Title:
SEMICONDUCTOR LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/132232
Kind Code:
A1
Abstract:
The following are provided: a resin package that has a recess; a lead frame (11) exposed at the bottom of said recess; a semiconductor light-emitting element (14) mounted on said lead frame (11) inside the recess; a resin layer (17) formed so as to contact the lead frame (11) inside the recess and cover the bottom of the recess; and a quantum-dot phosphor layer (19) formed on top of the resin layer (17) and the semiconductor light-emitting element (14). The resin layer (17) contains ceramic microparticles (15), and the quantum-dot phosphor layer (19) contains the following: semiconductor microparticles with an excited fluorescence spectrum that varies with particle size; and a resin in which said semiconductor microparticles are held so as to form a dispersion.

Inventors:
YOSHIDA SHINJI
YAMANAKA KAZUHIKO
Application Number:
PCT/JP2012/001398
Publication Date:
October 04, 2012
Filing Date:
March 01, 2012
Export Citation:
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Assignee:
PANASONIC CORP (JP)
YOSHIDA SHINJI
YAMANAKA KAZUHIKO
International Classes:
H01L33/56; H01L33/50
Domestic Patent References:
WO2008108266A12008-09-12
Foreign References:
JP2009071005A2009-04-02
JPH1168237A1999-03-09
JP2009206459A2009-09-10
JP2007149909A2007-06-14
JP2006054313A2006-02-23
JP2007294890A2007-11-08
JP2005197476A2005-07-21
JP2004071908A2004-03-04
JP2008192909A2008-08-21
JP2007067204A2007-03-15
Attorney, Agent or Firm:
NII, Hiromori (JP)
New house Extensive 守 (JP)
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Claims: