Patent ID: 6049423
Filing Date: 2000-04-11
Classification: G03B

Abstract:
A rear projection screen, comprising:a lenticular lens sheet integrally including a clear layer disposed on a light receiving side and having a plurality of lenticular lenses arranged in rows, and a diffusing layer disposed on a light emitting side and having a plurality of lenticular lenses arranged in rows;said clear layer being free of any diffusing agent;said diffusing layer comprising a diffusing agent and being disposed contiguously with said clear layer;said diffusing layer having a first thickness and said lenticular lens sheet having a second thickness, a ratio of said first thickness to said second thickness being from 50% to 70%; andsaid first thickness of said diffusing layer being greatest in a central part of the lenticular lenses of said diffusing layer corresponding to a central part of each of the lenticular lenses of said clear layer and decreases towards a side part of each of the lenticular lenses of said diffusing layer corresponding to the side part of each of the lenticular lenses of said clear layer.