Liquid crystal cells – elements and systems – With specified nonchemical characteristic of liquid crystal... – Utilizing change between diverse phases
Patent
1995-04-03
1997-02-18
Gross, Anita Pellman
Liquid crystal cells, elements and systems
With specified nonchemical characteristic of liquid crystal...
Utilizing change between diverse phases
349175, G02F 113
Patent
active
056046162
ABSTRACT:
A dual function electro-optical display device operates as a bistable display when driven at one voltage, and operates as a nematic display when driven at another voltage. In the first mode, the image in the display zone is formed by applying a first electrical signal to the device, and the image persists upon removal of the first electrical field. In the second mode, the image is formed by applying a second electrical signal to the device, and the image disappears upon removal of the second electrical signal. In a liquid crystal display, the liquid crystal fluid (9) is a blend of at least one liquid crystal nematic compound and at least one liquid crystal cholesteric compounds, and is maintained in a gap (4) between two substrates (1).
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Dunn Patrick M.
Swirbel Thomas J.
Dorinski Dale W.
Gross Anita Pellman
Motorola Inc.
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