Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2007-08-03
2010-06-08
Tarazano, D. Lawrence (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C544S035000, C427S059000
Reexamination Certificate
active
07732065
ABSTRACT:
Provided are an anthracene derivative compound represented by Formula 1 below and an organic light-emitting device using the same:whereinAr1and Ar2are each independently aromatic groups, R1and R2are each independently substituent groups, and X is a heteroatom or substituted heteroatom. The use of the anthracene derivative compound enables to produce an organic light-emitting device with better driving voltage, brightness, efficiency, and color purity.
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English Translation of JP 2004-002351 (undated).
Kuwabara, et al.; “Thermally Stable Multilayered Organic Electroluminescent Devices Using Novel Starburst Molecules, 4,4′,4″-Tri(N-carbazolyl)triphenylamine (TCTA) and 4,4′4″-Tris(3-methylphenylphenyl-amino)triphenylamine (m-MTDATA), as Hole-Transport Materials”; Adv. Mater.; vol. 6, No. 9; pp. 677-679; 1994.
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Byun Young-hun
Choi Byoung-ki
Han Eun-sil
Kim Myeong-suk
Kwon O-hyun
Cantor & Colburn LLP
Clark Gregory
Samsung Electronics Co,. Ltd.
Tarazano D. Lawrence
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