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Patent Searching and Data


Title:
ORGANIC ELECTROLUMINESCENCE DEVICE
Document Type and Number:
Japanese Patent JP2003157978
Kind Code:
A
Abstract:

To provide an organic electroluminescence device using fluorochrome with low driving voltage, solidity, and excellent light emitting efficiency.

For the organic electroluminescence device having a substrate on which, an organic layer and a negative electrode are sequentially laminated, the organic layer contains chromone group compound shown by formula (1). In the formula, R1-R4 represent hydrogen atom, alkyl group, alkoxyl group, or the like, Y represents oxygen atom, or the like, Z represents direct bond, aromatic heterocycle, or the like, and n represents 0 or 1.


Inventors:
SATO HIDEKI
SATO YOSHIHARU
ENDO KYOKO
MURATA YUKICHI
Application Number:
JP2002000192850
Publication Date:
May 30, 2003
Filing Date:
July 02, 2002
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP
International Classes:
H01L51/50; C07D311/30; C07D311/60; C07D407/04; C07D409/04; C07D455/04; C09B57/00; C09K11/06; H05B33/14; (IPC1-7): H05B33/14; C07D311/30; C07D311/60; C07D407/04; C07D409/04; C07D455/04; C09K11/06
Attorney, Agent or Firm:
横倉 康男