Permeable screen and its manufacturing method

Details Permeable screen and its manufacturing method Permeable screen and its manufacturing method

1996-07-17

1999-06-22

Malley, Daniel P.

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

G03B 2160

Patent

active

059148098

ABSTRACT:
A permeable screen possesses superior brightness, high contrast, wide view angle, excellent contrast to external light, superior clearness, and less reflection of external light image. The permeable screen includes a front dispersing panel and a lenticular lens sheet disposed at the incident side of the front dispersing panel and forming plural lens surfaces. The permeable screen also includes a Fresnel lens sheet disposed at the incident side of the lenticular lens sheet and forming plural lens surfaces. The front dispersing panel functions as a screen and also provides mechanical strength. The front dispersing panel also possesses parts for mounting and fixing the lenticular lens sheet and Fresnel lens sheet.

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