| 摘要 |
PURPOSE: A rear-projection screen is provided to improve both the contrast and luminance of a screen used as the display of a rear-projection TV and also reduce the manufacturing cost and increase the viewing angle in an improved screen. CONSTITUTION: A liquid crystal rear-projection TV screen has a double-side lens sheet (20) and horizontal lenticular sheet (30). A vertical lenticular portion (23) is disposed on the rear side of the double-side lens sheet, and Fresnel lens (22) is disposed on the front side. A horizontal lenticular portion (32) is disposed on the rear side of the horizontal lenticular sheet, and a light-shielding layer (35) and protective resin substrate (41) are disposed on the front side. The resin substrate (21) of the double-side lens sheet has a low transmittance, and the resin substrates (31, 41) of the horizontal lenticular sheet have high transmittances. The observer recognizes an image on the double-side lens sheet arranged behind the light-shielding layer. |
