LIQUID CRYSTAL COMPOSITION FOR LIGHT CONTROL, AND LIGHT CONTROLLING FILM

To provide means capable of compatibly obtaining high transparency in a transparent state and a high reflection factor in a non-transparent state in a light controlling film with an optical state thereof changeable between the transparent state and non-transparent state.SOLUTION: A liquid crystal composition for light control includes: liquid crystal molecules; an optical active material including a photoisomerized material; a photopolymerizable monomer; and nano particles. Based on 100 mass pts. of the liquid crystal molecules, a content of the photopolymerizable monomer is 4.5 to 10.0 mass pts., a content of the nanoparticles is more than 0 and equal to or less than 1.4 mass pts., and a ratio of the nanoparticles to the total mass of the photopolymerizable monomer and the nanoparticles is 1 to 15 mass%.SELECTED DRAWING: None 【課題】透明状態と非透明状態との間で光学状態が変化する調光フィルムにおいて、透明状態における高い透明性と非透明状態における高い反射率とを両立しうる手段を提供する。【解決手段】液晶分子、光異性化材料を含む光学活性材料、光重合性モノマーおよびナノ粒子を含み、前記液晶分子１００質量部に対して、前記光重合性モノマーの含有量が４．５～１０．０質量部であり、前記ナノ粒子の含有量が０質量部を超えて１．４質量部以下であり、前記光重合性モノマーと前記ナノ粒子との合計質量に対する前記ナノ粒子の割合が１～１５質量％である、調光用液晶組成物。【選択図】なし