ジアミン誘導体材料を正孔輸送層に用いた有機EL素子の発光特性

根来 靖典; 北爪 栄一; 三好 建也; 内池 平樹; 柏原 愛; 安蘇 芳雄; 大坪 徹夫

doi:10.11485/tvtr.20.8_37

Luminesscent Properties of Organic Electroluminescent Devices with Diamine Derivatives as Hole Transport Layers

Y. NEGORO, K. KITAZUME, T. MIYOSHI, H. UCHIIKE, A. KASHIHARA, Y. ASO, Y. OTSUBO

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Keywords: diamine derivatives, glass transition temperature, EL devices, hole transport layer materials

RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS

1996 Volume 20 Issue 8 Pages 37-42

DOI https://doi.org/10.11485/tvtr.20.8_37

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Abstract

Newly synthesized four diamine derevatives as hole transport layer were investigated in order to improve the durability of organic electroluminescent devices and have sutdied the difference of characteristics between newly synthesized derivatives and TPD. We obtained devices by using TPD2 and TPD3 which are higher luminous efficiency than device using TPD. Glass transition temperature of TPD4 is higher than that of TPD.

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