High light-efficiency illumination cluster

Details High light-efficiency illumination cluster High light-efficiency illumination cluster

2006-05-26

2008-12-02

O'Shea, Sandra (Department: 2875)

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

C362S027000, C362S028000, C362S029000, C362S030000

Reexamination Certificate

active

07458695

ABSTRACT:
A light guide assembly for illuminating an instrument surface includes a continuous curved transition portion for uniformly directing and transmitting light from a light source to a backlight surface of the instrument surface. The curved shape of the transition portion is tailored to transmit a desired amount of light into the backlight portion and a desired amount outwardly against a back surface of the instrument surface.

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International Search Report and Written Opinion mailed Dec. 14, 2006.

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