| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an organic electroluminescent (EL) display device having organic EL elements of excellent color reproducibility and high emission efficiency. <P>SOLUTION: The organic EL display device to be provided has a plurality of green organic EL elements, each of which has a delayed fluorescent material, has a resonant cavity structure, and has a hole transport layer whose thickness is the same as that of a blue organic EL element. <P>COPYRIGHT: (C)2010,JPO&INPIT |
