Light guide for illuminating a dial
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United States of America Patent
Stats
-
Feb 6, 2001
Grant Date -
N/A
app pub date -
Jun 9, 1999
filing date -
Jun 9, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lightguide for illuminating a dial of a timekeeping device having a flat portion having a bottom surface and an upper surface in facing alignment with the watch dial, a lightpipe integrally formed with and extending below the flat portion, the lightpipe having a foot region at one end thereof, and geometries molded into the bottom surface of the flat portion to selectively eject internally reflected light from the bottom surface of the flat portion through the upper surface, where the lightguide provides illumination to the dial when a concentrated light source disposed below and spaced apart from the foot region conducts light to the lightpipe.
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