THE REFLECTION TYPE SCREEN FOR THE ULTRA SHORT FOCUS PROJECTOR

摘要

PURPOSE: A reflective screen for a first grade focus projector which supplies a clear image of uniform brightness is provided to improve the contrast and brightness of entire image. CONSTITUTION: A reflective screen for a first grade focus projector comprises a Fresnel mirror. A plurality of reflective projections is formed on the Fresnel mirror. A plurality of reflective projections is projected to the concentric circle in a fixed interval. A plurality of reflective projections comprises a multi-direction reflecting body(20'). The multi-direction reflecting body comprises a horizontal direction. A black light absorption part layer(50) is formed between the bottom sides of a plurality of reflective projections at a fixed width.