Once upon a time,

Community Bar Sport
1

in the early 1980's, I worked for an electronic component distributor. One of the items they sold was an LCD/LED (seven segment) bezel, which was effectively a plastic picture frame to cover the edges of hole in the instrument panel that the display could be seen through. The LCD ones also had a polarising filter if required (turned through 90 degrees reversed the display!), whereas LED ones would include a colour filter.

If, after all that waffle, you know what I'm on about, can you still buy similar things today?

2

These guys have them

http://www.lcd-module.com/products/accessories.html

Designed for their display I guess but might fit. Also try searching for "lcd bezel" on the major suppliers, for example

http://www.digikey.com/product-search/en/optoelectronics/bezels/524327?k=lcd%20bezel

Rob

3

Was just wondering the same thing, re: color filters for 4-digit 7-segment modules. Nice.