Platinum complexes, light emitting material, an organic electroluminescent device, display device

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PROBLEM TO BE SOLVED : To provide a platinum complex excellent in blue purity.SOLUTION : A platinum complex is represented by the following formula 1. [Rto Rare H or a substituent; nand nare each independently an integer of 0 to 2; nand nare each independently an integer of 0 to 3; when nto nare 2 or larger, Rto Rmay be identical to or different from one another and be linked with one another to form a ring; Sto Sare each independently H or a substituent; and neighboring pairs Rand S, Rand S, or Sand Smay be linked with each other to form a ring].SELECTED DRAWING : None