Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material
Reexamination Certificate
2009-08-24
2011-11-08
Parker, Kenneth (Department: 2815)
Active solid-state devices (e.g., transistors, solid-state diode
Organic semiconductor material
C257SE51001, C428S001230, C428S001320, C428S001520
Reexamination Certificate
active
08053768
ABSTRACT:
Provided are a silicon-containing compound having carbazole and fluorene in its molecule and an organic electroluminescent device including an organic layer employing the same. The silicon-containing compound is represented by the following formula:The silicon-containing compound has excellent electrical characteristics and a charge transporting capability, the silicon-containing compound can be used as a hole injecting material, a hole transporting material, and/or a light emitting material that are suitable for all-color fluorescent and phosphorescent organic light emitting devices such as red, green, blue, and white fluorescent and phosphorescent organic light emitting devices. When the silicon-containing compound is used to manufacture an organic electroluminescent device, the organic electroluminescent device has a high efficiency, a low driving voltage, high luminosity, and a long lifetime.
REFERENCES:
patent: 2001-332385 (2001-11-01), None
Korean Office action issued on Dec. 21, 2009, corresponding to Korean Priority Application No. 2008-0086800.
“Decreased Aggregation Phenomena in Polyfluorenes by Introducing Carbazole Copolymer Units.” Macromolecules, 2001 (34) 5854-5859.
Hwang Seok-Hwan
Kim Young-Kook
Kwak Yoon-Hyun
Lee Jong-Hyuk
Yi Jeoung-In
Bushnell , Esq. Robert E.
Ho Anthony
Parker Kenneth
Samsung Mobile Display Co., Ltd.
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