Title:
発光装置及び照明装置
Document Type and Number:
Japanese Patent JP5817297
Kind Code:
B2
Abstract:
According to one embodiment, a light-emitting device (1) includes a substrate (10), a reflecting layer (18) formed on the substrate, a light-emitting element (11) placed on the reflecting layer, and a sealing resin layer (12) that covers the reflecting layer and the light-emitting element. The oxygen permeability of the sealing resin layer is equal to or lower than 1200 cm 3 /(m 2 ·day·atm), and the ratio of the area of the reflecting layer covered by the sealing resin layer to the entire area on the resin substrate covered by the sealing resin layer is between 30% and 75% inclusive.
Inventors:
Uemura Kozo
Shibusawa Soichi
Yumiko Hayashida
Kiyoshi Nishimura
Kawashima Junko
Go Koyanagi
Masahiro Ogata
Shuhei Matsuda
Hiroki Tamai
Shibusawa Soichi
Yumiko Hayashida
Kiyoshi Nishimura
Kawashima Junko
Go Koyanagi
Masahiro Ogata
Shuhei Matsuda
Hiroki Tamai
Application Number:
JP2011167518A
Publication Date:
November 18, 2015
Filing Date:
July 29, 2011
Export Citation:
Assignee:
Toshiba Lighting & Technology Corporation
International Classes:
H01L33/56; F21S2/00; H01L33/60
Domestic Patent References:
| JP2007201171A | ||||
| JP2010232203A | ||||
| JP2004002783A | ||||
| JP2007305844A | ||||
| JP2008060428A | ||||
| JP2010226099A |
Foreign References:
| WO2009145298A1 | ||||
| WO2010113852A1 |
Attorney, Agent or Firm:
Masahiko Hinataji
Junichi Kozaki
Hiroshi Ichikawa
Junichi Kozaki
Hiroshi Ichikawa
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