Platinum complex, luminescent material, an organic electroluminescent device, lighting device and

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PROBLEM TO BE SOLVED : To provide a platinum complex excellent in blue color purity.SOLUTION : The platinum complex is represented by the formula 1. [Rto Rare each independently a substituent; 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; provided that at least one of Sto Srepresents a substituent selected from a specific substituent group.]