Manganese (II) complex, preparation method thereof, and use thereof in organic light emitting diodes

Z Chen, XU Liangjin, W Jinyun - US Patent 11,279,721, 2022 - Google Patents
The invention relates to a manganese (II) complex, its preparation method and use. The
structure of the complex is (R1R2R3R4A) 2 [MnX4], wherein R1, R2, R3 and R4 are …