| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic electroluminescence element which can emit light having a short peak wavelength of 380 nm or less. SOLUTION: The organic electroluminescence element is composed of a transparent board, a transparent anode layer, a hole injection layer containing a metal phthalocyanine, a hole transport layer containing a carbazole compound, a light-emitting layer containing an organic light-emitting material showing a band gap of 3.55 eV or higher, and a cathode layer. The layers are laminated on the board in the increasing order. COPYRIGHT: (C)2007,JPO&INPIT
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