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Patent Searching and Data


Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/203841
Kind Code:
A1
Abstract:
This light-emitting device (1) is provided with the following: a substrate (2); a wiring pattern (3), electrode lands (4), a sealant-resin layer (5), wires (7), and a resin dam (9) laid out on top of the substrate (2); at least one light-emitting element (6) that emits light having a peak emission wavelength in the wavelength range from 430 nm to 480 nm; green phosphors (10) that are excited by the primary light emitted by the light-emitting element (6) and emit light having a peak emission wavelength in the green region; and first red phosphors (11) that are excited by the primary light and emit light having a peak emission wavelength in the red region. The first red phosphors (11) do not emit light in the wavelength region that extends from 700 nm on up and do not absorb light in the wavelength region from 550 nm to 600 nm.

Inventors:
ONUMA HIROAKI
ANDOU MASATAKA
MASUDA MASATSUGU
Application Number:
PCT/JP2014/065846
Publication Date:
December 24, 2014
Filing Date:
June 16, 2014
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
H01L33/50; C09K11/59; C09K11/64; C09K11/80; F21V9/16; F21Y101/02
Domestic Patent References:
WO2009110285A12009-09-11
Foreign References:
JP2012124356A2012-06-28
JP2010196049A2010-09-09
JP2009528429A2009-08-06
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
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