| 摘要 |
PROBLEM TO BE SOLVED: To provide a winding type roller blind, usable also as a projection screen for various projectors. SOLUTION: In this winding type roller blind, a blind sheet part is formed of a transparent or semi-transparent resin composition, and includes a light diffusion layer having a light diffusion function, an intermediate layer reflecting light from the light diffusion layer, and a light shielding layer formed of resin composition having light shielding property in this order. COPYRIGHT: (C)2005,JPO&NCIPI
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