Full color liquid crystal display

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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340702, 340784, 350345, G02F 113

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active

047990503

ABSTRACT:
A liquid crystal display provides a high quality color image and efficient energy utilization. A layer of liquid crystal material is controlled by a transparent electrode matrix that is fixed to one surface of a fiber optic plate. A matrix of (primary color emitting) phosphors, each in alignment with a transparent electrode, is fixed to the opposed surface of the plate. A source of fluorescent energy excites the phosphors. A filter located behind the fiber optic plate reflects visible light, both ambient and that emitted from the phosphors. The fiber optic plate acts as a relay lens and prevents cross pixel color contamination while the generation of backlight by the phosphor conversion of fluorescent to visible energy is a highly efficient process.

REFERENCES:
patent: 4104627 (1978-04-01), Thuler
patent: 4196973 (1980-04-01), Hochstrate
patent: 4315258 (1982-02-01), McKnight
patent: 4349817 (1982-09-01), Hoffman et al.
patent: 4678285 (1987-07-01), Ohta et al.

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