ELECTROLUMINESCENT ELEMENT

Title:

ELECTROLUMINESCENT ELEMENT

Document Type and Number:

Japanese Patent JPH0665569

Kind Code:

A

Abstract:

PURPOSE: To provide an electroluminescent element which has a long-lasting emission capacity and is excellent in durability.

CONSTITUTION: This electroluminescentelement comprises an anode, a cathode, and at least one org. compd. layer which is sandwiched between the electrodes and of which at least one layer contains an oxadiazole compd. of the formula (wherein each Ar is an optionally substd. alkyl, aryl, or heterocyclic arom. group).

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Inventors:

NAGAI KAZUKIYO
OTA MASABUMI
SAKON HIROTA
ADACHI CHIHAYA
TAKAHASHI TOSHIHIKO

Application Number:

JP10499393A

Publication Date:

March 08, 1994

Filing Date:

April 07, 1993

Export Citation:

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Assignee:

RICOH KK

International Classes:

H05B33/12; C09K11/06; H01L51/50; H05B33/14; H05B33/26; (IPC1-7): C09K11/06; H05B33/14

Attorney, Agent or Firm:

Toshiaki Ikeura (1 outside)

Next Patent: ELECTROLUMINESCENT PHOSPHOR AND ITS PRODUCTION