Keyboard and backlight module
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United States of America Patent
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-
Jan 23, 2018
Grant Date -
Feb 23, 2017
app pub date -
Jun 22, 2016
filing date -
Aug 21, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A backlight module includes a masking plate, a light guiding plate, a light emitting unit, a reflective plate and an attaching layer. A plurality of upper through holes are formed on the masking plate. An upper attached area is defined by a periphery of each of the upper through holes. The light guiding plate is disposed below the masking plate with a plurality of penetrating holes formed thereon. The light emitting unit is located on a lateral side of the light guiding plate and. The reflective plate is disposed below the light guiding plate. A plurality of lower through holes are formed on the reflective plate and located corresponding to the penetrating holes. A lower attached area is defined by a periphery of each of the penetrating holes. The lower attached area is attached to the upper attached area by the attaching layer via the penetrating hole.
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