Optical sheet manufacturing apparatus and optical sheet manufacturing method

摘要

An optical sheet manufacturing apparatus (1) includes a first master (11) including a first three-dimensional structure (11a), a second master (21) including a second three-dimensional structure (21a), a first processing unit (S1) to heat (12) a first surface (Fa) of a resin sheet (F) to a first temperature and transfer the first three-dimensional structure (11a) onto the first surface heated, a second processing unit (S2) to cool (13) the first surface (Fa) to a second temperature lower than the first temperature, heat (22) a second surface (Fb) of the resin sheet (F) to a third temperature higher than the second temperature, and transfer the second three-dimensional structure (21a) onto the second surface heated, a third processing unit (S3) to cool (23) the second surface to a fourth temperature lower than the third temperature, a first conveyance mechanism (14) to perform conveyance from the first processing unit (S1) to the second processing unit (S2), and a second conveyance mechanism (24) to perform conveyance from the second processing unit (S2) to the third processing unit (S3).