| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic EL element which has high efficiency and a long service life and is driven at a low voltage.SOLUTION: A light-emitting layer contains a blue phosphorescent dopant having an emission maximum wavelength of 480 nm or less. A host and a hole-blocking layer comprise a compound of general formula (1), and an electron transport layer comprises a compound of general formula (2). |
