To provide a manufacturing method of a lens sheet in which a protective film, that can surely adhere to the lens sheet, at the time of transportation or the like, and can be easily exfoliated when being removed from the lens sheet, is adhered.
According to manufacturing method of the lens sheet, the lens sheet, having a microlens part formed on one surface, is manufactured continuously. The manufacturing method of the lens sheet comprises a lens forming step of obtaining the lens sheet, by continuously forming the microlens part on a surface of an original fabric sheet 20 of long length; a first protective film adhering step of adhering a first protection film 36 on a surface of the lens sheet; a second protective film adhering step of adhering a second protective film 46, having weaker adhesive strength than that of the first protective film, on the rear face of the lens sheet; and a step of cutting the lens sheet to a predetermined length.
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato
Ichiro Kurasawa
Next Patent: LENS SHEET CUTTING METHOD