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Author
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Topic: Hey you, you suck! (AKA: Outing bad film handlers)
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John Pytlak
Film God

Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 12-21-2004 01:49 PM
You really need to be creative in keeping light off the screen, and yet keep the EXIT sign lit enough for patron safety.
One idea is to use the directional filter material used for ATM screens to limit viewing angle:
http://www.poc.com/lsd/default.asp?page=applications&sub=main
quote: POC's holographic Light Shaping Diffusers® and optical components are used in a variety of OEM/high volume applications. All of our customers enjoy high transmission efficiency, light shaping, controlled angular distribution, and excellent homogeneous illumination. Our rear projection screens offer high resolution images, along with our daylight readable reflection screens. POC's unique optical designs have already solved many customer lighting problems. Right now POC products are utilized by cell phone, display, automative, machine vision, LED display, LCD backlight, medical, architectual, and instrumentation OEMs. Outlined below are a few application notes for your review. Please enjoy them, and do not hesitate to call us for assistance.
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