EP 1649731 A1 20060426 - ORGANIC ELECTROLUMINESCENT ELEMENT
Title (en)
ORGANIC ELECTROLUMINESCENT ELEMENT
Title (de)
ORGANISCHES ELEKTROLUMINESZENZELEMENT
Title (fr)
ELEMENT ELECTROLUMINESCENT ORGANIQUE
Publication
Application
Priority
- EP 2004008071 W 20040720
- DE 10333232 A 20030721
- DE 10357318 A 20031205
Abstract (en)
[origin: WO2005011334A1] The invention relates to the improvement of phosphorescent organic electroluminescent devices, whereby materials of formula (1) are used for the hole blocking layer.
IPC 1-7
IPC 8 full level
C09K 11/06 (2006.01); H01L 51/50 (2006.01); H05B 33/14 (2006.01); H01L 27/32 (2006.01)
CPC (source: EP KR US)
C07C 13/567 (2013.01 - EP US); C07C 25/22 (2013.01 - EP US); C09K 11/06 (2013.01 - KR); H05B 33/14 (2013.01 - KR); H10K 85/626 (2023.02 - EP US); H10K 50/11 (2023.02 - EP US); H10K 50/125 (2023.02 - EP US); H10K 50/18 (2023.02 - EP KR US); H10K 2101/10 (2023.02 - EP US); Y02E 10/549 (2013.01 - EP US); Y10S 428/917 (2013.01 - EP US)
Citation (search report)
See references of WO 2005011334A1
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
WO 2005011334 A1 20050203; EP 1649731 A1 20060426; JP 2006528836 A 20061221; JP 4865551 B2 20120201; KR 101175808 B1 20120824; KR 20060061798 A 20060608; US 2006159951 A1 20060720; US 7862904 B2 20110104
DOCDB simple family (application)
EP 2004008071 W 20040720; EP 04741151 A 20040720; JP 2006520764 A 20040720; KR 20067001460 A 20040720; US 56358104 A 20040720