Directional backlighting for display panels
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United States of America Patent
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Dec 1, 2015
Grant Date -
Aug 9, 2012
app pub date -
Feb 4, 2011
filing date -
Feb 4, 2011
priority date (Note) -
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Abstract
Various embodiments are disclosed that relate to display panel backlight systems that output light with a narrower angular intensity distribution than a diffuse backlight. For example, one disclosed embodiment provides a backlight system comprising a wedge-shaped light guide comprising a thin end and a thick end, the thick end of the wedge-shaped light guide comprising a linear reflector with plurality of facets, and wherein the backlight system also comprises a plurality of light sources arranged along the thin end of the wedge-shaped light guide.
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