Roll blind set and method of expressing patterns on that roll blind set operating independently each other and each roll having light penetrating and shading patterns inversely

摘要

The present invention relates to a roll blind used as a light-shielding film, which comprises a first roll blind having a pattern of a transparent portion and a light-shielding portion, and a second roll blind which is made separately from the first roll blind and has a reverse- And a second roll blind having a pattern of a transparent portion and a light-shielding portion, wherein each of the roll blinds independently operates, and a roll blind set in which patterns of the transparent portion and the light-shielding portion are overlapped to produce various patterns, and The present invention relates to a pattern representation method of a roll blind set. The present invention can also replace the light-transmitting portion and the light-shielding portion with a pattern portion and a non-pattern portion.