A screen of a back side projection type is disclosed. The screen of the back side projection type has a lens array of a horizontal direction on the front side(5) of the screen and controls an angle of a vertical direction. Also, the screen of the back side projection type has the lens array of the horizontal direction between two inclined sides(7) on the back side(6) of the screen and controls an angle of a horizontal direction. The screen of the back side projection type may increase the gain more than 20% and control the contrast by controlling a light absorption area.
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