| 摘要 |
A polyurethane screen and a method for manufacturing the same are provided to enhance the quality of sound by lifting the absorption of noises. A polyurethane screen includes a front surface having a transmission scattering surface of the front surface and a rear surface having a transmission scattering surface of the rear surface. The polyurethane is used for film material. The thickness of the polyurethane screen is set to 5 micrometer to 20mm according to the purpose of the screen and the shape of the surface of the screen. The polyurethane screen removes a hot spot(10) due to a light source of a projector(6). The polyurethane helps an image of the projector to be transmitted at a maximum. The polyurethane screen is winded as a roll. |
