LINEAR FRESNEL LENS SHEET, TRANSMISSIVE DISPLAY DEVICE AND ROLL-SHAPED MOLD FOR PRODUCING LINEAR FRESNEL LENS SHEET

摘要

The linear Fresnel lens sheet 3 includes a first surface 11 on which a linear Fresnel lens portion 13 having a plurality of lens surfaces 14 arranged along a first direction d1 is formed, And a diffusion layer 20 laminated on the second surface 12 side of the lens layer 10. The lens layer 10 has a first surface 12 and a second surface 12 opposite to each other.