Optical inputting module of an electronic device for sensing movement of object and its light source unit
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United States of America Patent
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Feb 18, 2014
Grant Date -
Jan 17, 2013
app pub date -
Sep 21, 2011
filing date -
Jul 12, 2011
priority date (Note) -
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Abstract
A light source unit is disclosed for arranging on a plane and emitting a light beam oblique to the plane. The light source unit includes an illuminant element and a transparent encapsulator. The illuminant element has an upper surface and a lower surface both parallel to the plane. The transparent encapsulator physically contacts with the illuminant element and at least covers the upper surface of the illuminant element. The transparent encapsulator has an oblique surface above the upper surface and oblique to the upper surface. In addition, an optical inputting module having the light source unit mentioned above is disclosed.
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