FRESNEL LENS SHEET AND REAR PROJECTION SCREEN

摘要

PROBLEM TO BE SOLVED: To provide a Fresnel lens sheet and a rear projection screen which are used for a rear projection television and reduce ghosts. SOLUTION: The Fresnel lens sheet comprises a Fresnel lens substrate and a Fresnel lens and the light-source side surface is of≤200μm in mean pitch and 3 to 15μm in 10-point mean roughness. Further, included is the rear projection screen constituted by combining the Fresnel lens sheet and a lenticular lens sheet. COPYRIGHT: (C)2004,JPO&NCIPI