Wavelength-Switchable Erbium-Doped Fiber Ring Laser Using Inline Fiber Bragg Grating Filter
Seul-Lee LeeKyongsoo ParkSonghyun JoSungwook ChoiJun Hyeok JeongSun Jae JeongNouaze Joseph ChristianJi‐Hoon KimYong Wook Lee
Abstract
In this study, two blue emitters based on 9,10-diphenylanthracene and 5H-pyrido[3,2-b]indole were designed and synthesized for OLEDs. Among those, a device using 5-(9,10-diphenyl-2-(5H-pyrido[3,2-b]indol-5-yl)anthracen-6-yl)-5H-pyrido[3,2-b]indole (2) exhibited efficient blue emission with a luminous, power and external quantum efficiency of 5.99 cd/A, 2.70 lm/W and 3.94% at 20 mA/cm2, respectively. The CIE coordinates of this device were (x = 0.15, y = 0.21) at 6.0 V.
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