Luminous keyboard
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 21, 2012
app pub date -
Jan 27, 2011
filing date -
Dec 20, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention discloses a luminous keyboard. The luminous keyboard includes an illumination element, a membrane circuit board, and a plurality of keys. The membrane circuit board includes an upper board and a lower board with a plurality of light guide points. The lower board and the upper board have a first circuit layout and a second circuit layout respectively to form a plurality of membrane switches. The plurality of light guide points of the lower board are used to aggregate and scatter light beams provided by the illumination element. Besides, the lower board includes a first membrane and a second membrane in order to increase the upward-scattering light quality of the plurality of light guide points.
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Family
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Cited Art Landscape
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