| 摘要 |
PURPOSE: A reflection screen having a high gain and a high contrast is provided to represent colors of dark and white gray scales having the high contrast and a high definition by aborting light on a dark reflection film. CONSTITUTION: A reflection screen(1) having a high gain and a high contrast includes a surface screen material(2), a semi-transmission reflection film(3), and a dark reflection film(4). The surface screen material(2) has another surface deposited by using aluminum and including the semi-transmission reflection film(3). The semi-transmission reflection film(3) has another surface including the dark reflection plate(4). The surface screen material(2) allows a part of an incident image to be reflected and the other part of the incident image to be transmitted. The dark reflection film(4) reflects light transmitted by the semi-transmission reflection film(3). |
