An optical film including at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In the formulae, L12, L22, and L32 each represent a 5-membered heterocyclic group.
揭示了一种包括至少一种由式(1)表示的化合物的光学薄膜。在该式中,Y11、Y12和Y13分别独立表示亚甲基或氮原子;R11、R12和R13分别独立表示式(A)、(B)或(C)或氢原子,前提是至少两个R11、R12和R13中的每一个独立表示式(A)、(B)或(C)。在这些式中,L12、
L22和L32分别表示一个5-成员杂环基。