Composition and liquid crystal display device

A composition comprising a first polymer compound having a photoreactive functional group, a second polymer compound, and an ultraviolet absorber having a benzotriazole skeleton,

• wherein a content of the ultraviolet absorber is less than 20 parts by mass per 100 parts by mass of a total of the first polymer compound and the second polymer compound,
• wherein the ultraviolet absorber is a compound represented by formula (1) below:
• (where R1 and R2 each independently represents a hydrocarbon group of 1 to 30 carbon atoms),
• wherein the first polymer compound is a compound represented by one of the following formulae:
• (101);
• (20) and (Z-224);
• and (104), and
• wherein the second polymer compound is a compound represented by one of the following formulae:
• (102);
• and (201),
• (where p represents the degree of polymerization),
• (where r is 0<r<1.0, (1-r) and r each represents the copolymerization ratio of a structural unit, and p represents the degree of polymerization),
• (where p represents the degree of polymerization),
• (where p represents the degree of polymerization),
• (where p represents the degree of polymerization).