Silsesquioxane-based compound and organic light-emitting...

Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material

Reexamination Certificate

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C257SE51046, C528S010000, C528S032000, C528S037000, C313S504000, C428S690000

Reexamination Certificate

active

07816667

ABSTRACT:
A silsesquioxane-based compound represented by Formula 1 and an organic light-emitting device including the same:wherein R1, R2, R3, R4, R5, R6, R7, and R8are as defined in the specification. The use of the silsesquioxane-based compound enables to produce an organic light-emitting device with improvement in electrical characteristics such as brightness and efficiency. The silsesquioxane-based compound can exhibit good film smoothness and adhesion, and at the same time, good electrical characteristics such as current efficiency and brightness, and thus, is suitable for use in an organic light-emitting device.

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Lin, W.-J., et al. “Synthesis and Optoelectronic Properties of Starlike Polyflourenes with a Silsesquioxane Core.” Macromolecules, vol. 37 (2004): pp. 2335-2341.
Brick, C.M., et al. “Robust Polyaromatic Octasilsesquioxanes from Polybromophenylsilsesquioxanes, BrxOPS, via Suzuki Coupling.” Macromolecules, vol. 38 (2005): pp. 4661-4665.
Machine Translation of JP 2006108458.
He, C., et al. “Highly Efficient Luninescent Organic Clusters with Quantum Dot-Like Properties.” J. Am. Chem. Soc., vol. 126 (2004): pp. 7792-7793.
Hoebbel, D., et al. “Synthesis and Properties of Perfluoroalkyl Groups Containing Double Four-Ring Spherosilicate (Siloxysilsesquioxane) Precursors.” J. Sol-Gel Sci. Tech., vol. 24 (2002): pp. 121-129.

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