Efficient organic electroluminescent devices with red...

Details Efficient organic electroluminescent devices with red... Efficient organic electroluminescent devices with red...

2005-01-04

2005-01-04

Garrett, Dawn (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C252S301160

Reexamination Certificate

active

06838194

ABSTRACT:
An organic electroluminescent (EL) device (10) in accordance with the present invention comprises, in sequence, a glass substrate (11), an anode layer (12), a hole-injecting layer (13), a hole-transporting layer (14), an luminescent layer (15), an electron-transporting layer (16), an electron-injecting layer (17) and a cathode layer (18). The luminescent layer (15) is doped with a guest fluorescent doping material, and the guest fluorescent doping material for the luminescent layer (15) comprises a compound represented by Formula I:wherein R1, R2, R3, R4, R5, and R6each independently represents a linear or branched aliphatic group having from 1 to 10 carbon atoms or an aromatic group having from 5 to 20 carbon atoms.

REFERENCES:
patent: 6649089 (2003-11-01), Chang et al.
patent: 20020086181 (2002-07-01), Lee-Mi et al.

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