| 摘要 |
PROBLEM TO BE SOLVED: To provide a light control tool capable of effectively preventing deterioration of optical function depending on location, season, and time.SOLUTION: A light control tool 5 includes: a sheet-shaped light control member 10; and support means 40 for supporting the light control member so as to permit change of the orientation of the light control member. The light control member includes: a plurality of first parts 20 that are arranged in a first direction d1 along a sheet surface of the light control member and are respectively not parallel to the first direction and extend in a second direction d2 along the sheet surface of the light control member; and a plurality of second parts 25 that are arranged alternately with the first parts in the first direction, and extend in the second direction. |
