An interface tube is provided for an image display device. In one embodiment, an interface tube having an inside surface and a center region where the at least a portion of the inside surface includes light-disbursing elements. The light-disbursing elements may be configured to direct a substantial portion of reflected light away from the center region to prevent center region from exceeding a specified temperature.
CROSS-REFERENCE TO RELATED APPLICATIONS
The present application claims priority under 35 U.S.C. .sctn. 119 to U.S. Provisional Patent Application Ser. No. 60/475,304, which was filed on Jun. 2, 2003. The disclosure of that application is hereby incorporated by reference in its entirety for all purposes.