Backlight suitable for display devices
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United States of America Patent
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Mar 15, 2011
Grant Date -
Feb 28, 2008
app pub date -
Aug 25, 2006
filing date -
Aug 25, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A backlight suitable for use in a display device includes an illumination device having at least one light source and a back reflector stack including a reflective layer and a transparent layer having substantially uniform refractive index and having a plurality of light-directing protrusions disposed in a matrix array. The transparent layer is disposed between the reflective layer and the illumination device with the plurality of light-directing protrusions facing away from the reflective layer. The plurality of light-directing protrusions are configured and disposed in a configuration that is not registered to any light source of the illumination device.
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