DIFFUSING LENS ARRAY SHEET, TRANSMISSIVE SCREEN, REAR PROJECTION DISPLAY DEVICE, AND METHOD OF MANUFACTURING DIFFUSING LENS ARRAY SHEET

摘要

PPROBLEM TO BE SOLVED: To provide a diffusing lens array sheet which is manufactured at a lower cost and realizes a high resolution and high contrast when constituting a transmissive screen by using the sheet. PSOLUTION: The diffusing lens array sheet includes; a lens sheet main body 41 which has a lenticular lens array 42 having ≤0.1mm pitches formed on the incidence side and has a rugged structure 43 formed on the exit side; light shielding parts 46 provided on projecting parts of the rugged structure 43; and a diffusing element 47 provided on almost all the surface of the rugged structure 43 including the light shielding parts 46, along shapes of recessed parts 44 and projecting parts 45. PCOPYRIGHT: (C)2006,JPO&NCIPI