Patent ID: 7136224
Filing Date: 2006-11-14
Classification: G03B

Abstract:
1. A rear projection screen for use in a rear projection display apparatus, comprising: at least two lens sheets including a vertical lenticular lens sheet on the nearest side to a viewer, the vertical lenticular lens sheet comprising, a Fresnel lens sheet; and a horizontal lenticular lens sheet capable of horizontally refracting the incident light, wherein the Fresnel lens sheet, the horizontal lenticular lens, and the vertical lenticular lens sheet are in this order from the incident side of the incident light, and a lens center of the Fresnel lens sheet is arranged upward or downward with respect to a mechanical center of the screen, and, in relation to this arrangement, centers of the black stripes of the vertical lenticular lens sheet are shifted with respect to the focus of the vertical lenticular lens.