EP 1656707 A1 20060517 - LIGHT-EMITTING DIODE
Title (en)
LIGHT-EMITTING DIODE
Title (de)
LICHT EMITTIERENDE DIODE
Title (fr)
DIODE LUMINESCENTE
Publication
Application
Priority
- IB 2004051324 W 20040729
- EP 03102446 A 20030806
- EP 04744677 A 20040729
Abstract (en)
[origin: WO2005015654A1] The invention pertains to a light-emitting diode (LED) comprising layers of an anode, an acidic hole conducting-injecting material, a light-emitting polymer, and a cathode, characterized in that the hole conducting-injecting material comprises a poly(3,4-ethylenedioxythiophene poly(styrenesulfonate) (PEDOT), which is obtainable by at least partially neutralizing the PEDOT with an anion that is comprised or formed from a sodium or potassium compound, and the light-emitting material comprises a light-emitting p-arylenevinylene polymer (PAV). The invention further relates to a method for increasing the efficiency of said light-emitting diode.
IPC 1-7
IPC 8 full level
H01L 51/30 (2006.01); H01L 51/50 (2006.01); H01L 51/00 (2006.01)
CPC (source: EP KR)
C09K 11/06 (2013.01 - KR); H10K 50/17 (2023.02 - EP KR); H10K 85/1135 (2023.02 - EP); H10K 85/114 (2023.02 - EP)
Citation (search report)
See references of WO 2005015654A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005015654 A1 20050217; CN 1833323 A 20060913; EP 1656707 A1 20060517; JP 2007501514 A 20070125; KR 20060061810 A 20060608; TW 200510511 A 20050316
DOCDB simple family (application)
IB 2004051324 W 20040729; CN 200480022428 A 20040729; EP 04744677 A 20040729; JP 2006522466 A 20040729; KR 20067002239 A 20060201; TW 93123158 A 20040803