Stable electroluminescent device

Details Stable electroluminescent device Stable electroluminescent device

2007-09-04

2007-09-04

Garrett, Dawn L. (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C428S690000, C313S504000, C313S506000, C252S301160

Reexamination Certificate

active

10131647

ABSTRACT:
Disclosed is an OLED device comprising an anode and a cathode and, located therebetween, a light emitting layer (LEL) containing a host and a stabilizer, wherein the stabilizer contains at least 5 fused rings and exhibits a first triplet energy level below 130 kJ/mol.

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V. Jarikov, “Organic Light Emitting Diode Devices with Improved Operational Stability”, USSN 10/131,801, (D-84501) filed Apr. 24, 2002.
C. T. Brown et al., “Efficient Electroluminescent Device”, USSN 10/131,011, (D-84436) filed Apr. 24, 2002.

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