An organic long-persistent luminescent composition containing a first organic compound, a second organic compound and a third organic compound and satisfying the following expression (1) is a long-persistent luminescent material that facilitates emission color control. ES1(A) represents a lowest excited singlet energy level of emission from the first organic compound and the second organic compound, ES1(B) represents a lowest excited singlet energy level of the third organic compound. ES1(B) −ES1A≤0.15eV
一种有机长效发光组合物含有第一种有机化合物、第二种有机化合物和第三种有机化合物,并满足以下表达式(1),是一种便于控制发射颜色的长效
发光材料。ES1(A) 表示第一种有机化合物和第二种有机化合物发射的最低激发单线能级,ES1(B) 表示第三种有机化合物的最低激发单线能级。ES1(B) -ES1A≤0.15eV