KEYBOARD EQUIPPED WITH LIGHT EMITTING STRUCTURE
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United States of America Patent
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Issued Date -
Apr 23, 2015
app pub date -
Oct 22, 2013
filing date -
Oct 22, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A keyboard equipped with light emitting structure comprises a plurality of keycap portions and a light guide command circuit board which includes an upper light guide plate, a lower light guide plate and a middle plate located between the upper and lower light guide plates. The upper and lower light guide plates have respectively an upper trigger portion and a lower trigger portion at one side facing the middle plate. The middle plate has a hollow zone corresponding to the upper and lower trigger portions, a plurality of coupling portions corresponding to the keycap portion and a plurality of apertures. The upper light guide plate also has an upper mask layer at one side facing the keycap portion and having a transparent zone. The command circuit board receives light from a light emitting unit and transmits the light to illuminate the keycap portion through the transparent zone.
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