| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a display device using an organic EL element which has a controlled emission wavelength, exhibits high luminous efficiency, and has a long emission life. <P>SOLUTION: The display device includes the organic electroluminescent element in which a light-emitting layer contains at least one phosphorescent metal complex and at least one host compound represented by general formula (3). <P>COPYRIGHT: (C)2013,JPO&INPIT |
