Industrial Technology Research Institute

Zong-Wei Tsai

Shyue-Ming Jang

Ching-Ian Chao

Shinn-Jen Chang

Chi-Shen Tuan

Han-Bin Cheng

Chia-Kuo Yen

Yu-Fen Cheng

Chi Shen Tuan

S-Sling Hsu

The present invention discloses a phenanthrene derivative having the following structure: wherein Arand Arindependently are phenyl, nathphyl, heterocyclic group, polycyclic aromatic or polycyclic heterocyclic group with at least one conjugated substituent. The conjugated substituent can be an electron withdrawing group or electron donating group. The phenanthrene derivatives have semiconductor properties of electron transfer, electroluminescence (EL), and photoluminescence (PL). Intermolecular stacking can be avoided and electron-luminescent emission stability is enhanced when the derivatives are applied as a light-emitting material in organic EL devices due to the presence of the two stereo cyclopentane rings, such as a host compound or a dopant emitting blue light.

Phenanthrene derivatives and organic light-emitting diodes containing said phenanthrene derivative

A phenanthrene compound represented by the formula (I):in which, R, R, R, R, R, R, R, and Rare identical or different and may each be hydrogen, halogen, Calkyl, Calkoxy, or a conjugated group. The phenanthrene compound has a polycyclic structure and semiconductor properties including electron transfer, electroluminescence, and photoluminescence.

Phenanthrene compounds

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Hsinchu, Taiwan

Zong-Wei Tsai