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Patent Searching and Data


Title:
ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2014/034791
Kind Code:
A1
Abstract:
Provided is an organic electroluminescent element having the following positioned between a positive electrode and a negative electrode facing each other, in order from the negative-electrode side: a first hole transport layer, an adjacent layer adjacent to a light-emitting layer, and a light emitting layer. The organic electroluminescent element is characterized in that the first hole transport layer contains a compound represented by formula (1). As a result, the organic electroluminescent element is capable of low-voltage operation, and exhibits long life and high efficiency. (In the formula, R1-R4, L1, Ar1, Ar2, m, n, p and q are as defined in the description.)

Inventors:
KATO TOMOKI (JP)
SADO TAKAYASU (JP)
Application Number:
PCT/JP2013/073178
Publication Date:
March 06, 2014
Filing Date:
August 29, 2013
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
H01L51/50; C07D209/82; C07D307/91; C07D405/14; C09K11/06; C07C211/61
Domestic Patent References:
WO2007005227A12007-01-11
WO2012108389A12012-08-16
WO2009041635A12009-04-02
WO2011021520A12011-02-24
WO2010061824A12010-06-03
WO2012034627A12012-03-22
Foreign References:
JP2009099967A2009-05-07
JP2011187959A2011-09-22
JP2007119457A2007-05-17
Attorney, Agent or Firm:
OHTANI, Tamotsu (JP)
Tamotsu Otani (JP)
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