looking for LED filter plastic

Phil in Melbourne · 2008-03-21T02:21:37+00:00

I have a red LED display that is around 30cm by 20 cm.I need a sheet of UV stabilised plastic with filter properties so that the display will work outside on a bright sunny day.Does anyone know what sort of properties parking and traffic sign filters have these days? The old red filters seem to have disappeared making way for what appears to be clear tinted plastic. Obviously it's UV stabilised, but it looks like a matte finish and slightly tinted. Maybe its one way glass or something.Also, I wonder what most LED speed limit sign LEDs are made from. In Melbourne, I see the use of white and red combinations, with yellow circle outside. I wonder what MCD the leds are.I'm looking for a long term supplier of the filters with competitive pricing. Any ideas?