| abstract |
The present invention provides the following [1] to [3]. [1] General formula (I) (Wherein R 1 and R 2 are the same or different and each represents a hydrogen atom or an optionally substituted alkyl group, etc., and R 3 , R 4 , R 5 and R 6 are the same or different, Represents a hydrogen atom, an alkyl group which may have a substituent, or the like, and R 7 , R 8 , R 9 and R 10 are the same or different and have a hydrogen atom, a hydroxyl group, a halogen atom or a substituent; Represents a good amino group or the like). [2] A metal complex of a squarylium compound represented by the general formula (I). [3] An organic EL device comprising the squarylium compound or a metal complex thereof according to any one of [1] and [2]. |