Organic electroluminescent device

Details Organic electroluminescent device Organic electroluminescent device

2006-06-20

2006-06-20

Garrett, Dawn L. (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C252S301160, C204S296000

Reexamination Certificate

active

07063901

ABSTRACT:
An organic electroluminescent device comprising: a pair of electrodes; and at lest one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer, wherein the light-emitting layer comprises a compound represented by the formula (I) as defined herein.

REFERENCES:
patent: 6303231 (2001-10-01), Sawada et al.
patent: 6420057 (2002-07-01), Ueda et al.
patent: 02-213088 (1990-08-01), None
patent: 2000-277262 (2000-10-01), None
patent: 200-355687 (2000-12-01), None
patent: WO 2001/92437 (2001-12-01), None
M.A. Baldo, et al., Highly efficient phosphorescent emission from organic electroluminescent devices, vol. 395, Nature, Sep. 10, 1998, pp. 151-154.
C.W. Tang, et al., Organic electroluminescent diodes, vol. 51, No. 12, Appl. Phys. Lett., Sep. 21, 1987, pp. 913-915.
M.A.Baldo, et al., Very high-efficiency green organic light-emitting devices based on electrophosphorescence, vol. 75, No. 1, Appl. Phys. Lett., Jul. 5, 1999, pp. 4-6.

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