| abstract |
An organic EL element having excellent heat resistance and durability is provided. A light emitting layer contains a phosphorescent light emitting material, and a single organic layer contains a compound represented by the following general formula (1). (X is oxygen is a sulfur atom, R 101 to R 107 are hydrogen or a substituent, R 108 is a substituent. A is an integer of 0 to 4. n is an integer of 1 or more. La is an n-valent aromatic hydrocarbon group. .) [Selection figure] None |