IMAGE DISPLAY SCREEN HAVING WIDE VIEWING ANGLES IN VERTICAL AND HORIZONTAL DIRECTIONS AND A PROJECTION TELEVISION INCLUDING THE SAME TO INCREASE A CONTRAST RATIO

摘要

PURPOSE: An image display screen and a projection television including the same are provided to secure wide view angles in vertical and horizontal directions by adopting the first and second lenticular screens and to increase a contrast ratio by making most of incident light absorbed by an external light absorption sheet included in the second lenticular screen. CONSTITUTION: An image display screen includes a Fresnel screen(41), the first and second lenticular screens(43,70) and a protective screen(50). The first lenticular screen secures a horizontal viewing angle. The second lenticular screen includes the first part(70b) for securing a vertical viewing direction and the second part(70a) for preventing contrast from being lowered due to external light.