LIGHT EMITTING DEVICE - KONICA MINOLTA HOLDINGS INC

Title:

LIGHT EMITTING DEVICE

Document Type and Number:

WIPO Patent Application WO/2011/114860

Kind Code:

A1

Abstract:

Disclosed is a light emitting device that suppresses the generation of cracks and has enclosed therein an OLED element with excellent fluid sealing properties. The light emitting device is provided with a sealing structure in which the organic electroluminescent element, which has at least a transparent anode layer, an organic layer comprising a light emitting layer, and a cathode layer layered in that order upon a transparent substrate, has been sealed by a first sealing film on the side of the aforementioned transparent anode layer and a second sealing film on the side of the aforementioned cathode layer, wherein the light emitting device is characterized in that the flexural modulus of the aforementioned second sealing film is lower than the flexural modulus of the aforementioned first sealing film.

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Inventors:

YAMAMOTO NATSUKI (JP)
MURAYAMA MASAAKI (JP)

Application Number:

PCT/JP2011/054293

Publication Date:

September 22, 2011

Filing Date:

February 25, 2011

Export Citation:

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Assignee:

KONICA MINOLTA HOLDINGS INC (JP)
YAMAMOTO NATSUKI (JP)
MURAYAMA MASAAKI (JP)

International Classes:

H05B33/04; H01L51/50

Foreign References:

JP2001237065A	2001-08-31
JP2004087253A	2004-03-18
JP2010036185A	2010-02-18
JP2007207961A	2007-08-16

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