ILLUMINATION KEYBOARD
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Nov 17, 2011
app pub date -
Sep 5, 2010
filing date -
May 14, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An illumination keyboard is provided and includes a base plate, at least one tortuous circuit, a plurality of light sources, a light guide plate and a plurality of keys. The tortuous circuit is disposed on the base plate in a nonlinear arrangement. The light sources are coupled to the tortuous circuit for emitting light towards at least one direction. The light guide plate is disposed on the base plate for uniformizing the light emitted by the light sources. The keys are disposed on the light guide plate and located in a keys area of the base plate. Each key has a light pervious region through which the light penetrates through the key. The tortuous circuit is not overlapped with the light pervious regions.
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