Display panel with backlighting structure and selectively transmissive window therethrough
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United States of America Patent
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Dec 11, 2007
Grant Date -
Jun 8, 2006
app pub date -
Dec 7, 2004
filing date -
Dec 7, 2004
priority date (Note) -
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Abstract
A backlighting structure for use with a display comprises a light source, an illumination area, a permanently reflecting material, and a selectively reflecting material. The illumination area is bounded by a back side, a front plane on a front side, and lateral sides. The permanently reflecting material lies along a first subset of the back side, and the selectively reflecting material lies on a second subset of the back side. The selectively transparent material can controllably change between a reflecting state and a non-reflecting (e.g., transmitting) state.
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