Energy efficient illumination for a light source in the form of a surface
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United States of America Patent
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Aug 16, 2011
Grant Date -
Dec 27, 2007
app pub date -
May 25, 2007
filing date -
May 25, 2006
priority date (Note) -
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Abstract
An apparatus and method for coupling light into a light source in the form of a surface are disclosed. According to one embodiment, the apparatus comprises a linear light source including a light diffuser. The apparatus also has a sheet having a first edge with the linear light source placed along the first edge. The linear light source diffuses light such that the light emanates in a predetermined pattern along the first edge of the sheet.
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