Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2007-12-11
2007-12-11
Qi, Mike (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S114000, C349S086000
Reexamination Certificate
active
11007074
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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Planar Systems Inc.
Qi Mike
Stoel Rives LLP
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