Title:
照明装置
Document Type and Number:
Japanese Patent JP5897859
Kind Code:
B2
Abstract:
One object is to reduce the weight of a lighting device including an electroluminescent material. An object is to achieve high reliability of a lighting device including an electroluminescent material. In a lighting device including a light-emitting element having an electroluminescence (EL) layer, a housing formed using an organic resin whose refractive index is greater than or equal to that of the EL layer is provided to cover a light emission surface and a top surface of the light-emitting element. In addition, an inorganic insulating film covering an inner wall of the housing provided with the light-emitting element and the top surface of the light-emitting element is preferably provided.
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Inventors:
Takuya Kawada
Hiroshi Uchida
Shunpei Yamazaki
Hiroshi Uchida
Shunpei Yamazaki
Application Number:
JP2011218838A
Publication Date:
April 06, 2016
Filing Date:
October 03, 2011
Export Citation:
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
International Classes:
H05B33/02; F21K9/00; F21S2/00; F21S6/00; F21S8/00; F21S8/04; F21V5/04; H01L51/50; H05B33/04; H05B33/12
Domestic Patent References:
JP2005327522A | ||||
JP2002175882A | ||||
JP2004047298A |
Foreign References:
US20100237774 |