Silicon-cored anthracene derivatives as host materials for highly efficient blue organic light-emitting devices
Yi-Yeol Lyu1, Jeonghun Kwak, Ohyun Kwon
1Samsung Advanced Institute of Technology Mt. 14-1, Nongseo-Ri, Giheung-Eup, Yongin-Si, Gyeonggi-Do, Korea 449-712 (Korea).
Abstract:
Blue host materials for organic light-emitting diodes (OLEDs) based on silicon-cored (tetraphenylsilane) anthracene derivatives are synthesized. These compounds, with a non-coplanar molecular structure, have high glass-transition temperatures and good amorphous-film-forming capabilities. When doped with a blue-fluorescent dopant, blue emission with high color purity and high efficiency, up to 7.5 cd A(-1) and 6.3%, is achieved.
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