【論文関連】 城戸・笹部研D3 宇田川さんの超高効率青色リン光有機ELデバイスに関する論文が Advanced Optical Materials に掲載されました。

Simultaneous realization of high EQE of 30%, low drive voltage, and low efficiency roll-off at high brightness in blue phosphorescent OLEDs
By Kazuo Udagawa, Hisahiro Sasabe*, Fumiaki Igarashi, and Junji Kido*, Advanced Optical Materials, 2015, in press.

Abstract: A state-of-the-art blue OLED that simultaneously realizes a driving voltage of 3.25 V, EQE of over 30%, and a power efficiency of 78 lm W−1 at high brightness of 1000 cd m−2 is developed.  By using a mixed-host system, the device showed ca. 1.4-times higher power efficiency than that of the corresponding DEML at high brightness of 1000 cd m−2.

【関連サイト】 http://oled.yz.yamagata-u.ac.jp/view.cgi?p=215
 

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