COMPOSITION FOR ORGANIC ELECTROLUMINESCENCE ELEMENT AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING THE SAME
申请人:TOYO INK MFG. CO., LTD.
公开号:EP1452574A1
公开(公告)日:2004-09-01
There are disclosed an organic electroluminescent (EL) device composition that includes a compound (A) having a perylene ring and a compound (B) having a diketopyrrolopyrrole skeleton, and an organic EL device that includes a pair of electrodes consisting of an anode and a cathode, and one or more organic, layers including a light-emitting layer formed between the electrodes, at least one of the organic layers being a layer formed from the organic EL device composition. Furthermore, there are disclosed an organic EL device composition that includes a compound (C) having, as a solid film, a fluorescence spectrum peak wavelength of 550 nm or longer, and a compound (D) having, as a solid film in which Compound (D) is contained at 5 wt% in Compound (C), an area at a wavelength of 600 nm or shorter in a fluorescence spectrum region of 500 to 800 nm of 20% or less of the entire area, and an organic EL device including a light-emitting layer formed from this composition.
本发明公开了一种有机电致发光(EL)器件组合物,该组合物包括一种具有过烯环的化合物(A)和一种具有二酮吡咯骨架的化合物(B),以及一种有机EL器件,该器件包括一对由阳极和阴极组成的电极,以及一个或多个有机层,包括在电极之间形成的发光层,其中至少一个有机层是由有机EL器件组合物形成的层。此外,还公开了一种有机电致发光器件组合物,该组合物包括化合物(C)和化合物(D),前者作为固态薄膜,其荧光光谱峰值波长为 550 nm 或更长,后者作为固态薄膜,其中化合物(D)在化合物(C)中的含量为 5 wt%,后者在荧光光谱 500 至 800 nm 区域中波长为 600 nm 或更短的区域占整个区域的 20% 或更少;还公开了一种有机电致发光器件,该器件包括由该组合物形成的发光层。