47.3: Highly Efficient Fluorescent Deep Blue Dopant for “Super Top Emission” Device | Zendy

Funahashi Masakazu | Zendy; Yamamoto Hiroshi | Zendy; Yabunouchi Nobuhiro | Zendy; Fukuoka Kenichi | Zendy; Kuma Hitoshi | Zendy; Hosokawa Chishio | Zendy; Kambe Emiko | Zendy; Yoshinaga Tadahiko | Zendy; Fukuda Toshihiro | Zendy; Kijima Yasunori | Zendy

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47.3: Highly Efficient Fluorescent Deep Blue Dopant for “Super Top Emission” Device

Author(s) -

Funahashi Masakazu,

Yamamoto Hiroshi,

Yabunouchi Nobuhiro,

Fukuoka Kenichi,

Kuma Hitoshi,

Hosokawa Chishio,

Kambe Emiko,

Yoshinaga Tadahiko,

Fukuda Toshihiro,

Kijima Yasunori

Publication year - 2008

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1889/1.3069764

Subject(s) - chromaticity , dopant , fluorescence , quantum efficiency , optoelectronics , limit (mathematics) , materials science , optics , doping , physics , mathematics , mathematical analysis

We successfully synthesized a new excellent fluorescent deep blue dopant BD‐4. The bottom emission device with BD‐4 has a good color coordinate in CIE 1931 chromaticity of (0.140, 0.133) with high current efficiency of 6.46cd/A. BD‐4 gives us better performance with current efficiency of 3.9cd/A with CIE chromaticity of (0.133,0.065) with the optimization for our “Super Top Emission” device structure. The internal quantum efficiency of this device is 28.5% which is beyond across the theoretical limit.

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