E-Ray Optoelectronics Technology Co., Ltd.

Min-Jong Chang

Wen-Yao Huang

Wen-Chin Huang

An organic electroluminescent (EL) device () in accordance with the present invention comprises, in sequence, a glass substrate (), an anode layer (), a hole-injecting layer (), a hole-transporting layer (), an luminescent layer (), an electron-transporting layer (), an electron-injecting layer () and a cathode layer (). The luminescent layer () is doped with a guest fluorescent doping material, and the guest fluorescent doping material for the luminescent layer () comprises a compound represented by Formula I:wherein R, R, R, R, R, and Reach independently represents a linear or branched aliphatic group having from 1 to 10 carbon atoms or an aromatic group having from 5 to 20 carbon atoms.

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Hsinchu, Taiwan

Min-Jong Chang