Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2007-05-18
2011-11-08
Yamnitzky, Marie R. (Department: 1786)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C257SE51044, C548S101000, C546S002000, C546S010000
Reexamination Certificate
active
08053090
ABSTRACT:
Provided are a high-efficiency phosphorescent multinuclear copper complex and an organic electroluminescent device using the complex. The multinuclear copper complex can be used to form an organic layer of an organic electroluminescent device, and the organic electroluminescent device using the complex can emit light in the yellow to red wavelength region of 560 nm to 630 nm as a high-efficiency photoluminescent material, and provides a high brightness and a low turn-on voltage.
REFERENCES:
patent: 2007/0267959 (2007-11-01), Ragini et al.
patent: 2006-228936 (2006-08-01), None
Machine translation of JP 2006-228936 (Aug. 2006).
M. A. Baldo et al., “Highly efficient phosphorescent emission from organic electroluminescent devices”, Nature, vol. 395, Sep. 1998, pp. 151-154.
M. A. Baldo et al., “Excitonic singlet-triplet ratio in a semiconducting organic thin film”, Physical Review B, vol. 60, No. 20, pp. 14 422-14 428, Nov. 1999.
Mohammad A. Omary et al., “Blue Phosphors of Dinuclear and Mononuclear Copper(I) and Silver(I) Complexes of3,5-Bis(trifluoromethyl)pyrazolate and the Related Bis(pyrazolyl)borate”, Inorganic Chemistry 2003, 42, pp. 8612-8614.
Byun Young-Hun
Kim Hee-Kyung
Kwon O-Hyun
Lyu Yi-Yeol
Ragini Das Rupasree
Samsung Mobile Display Co., Ltd.
Yamnitzky Marie R.
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