Liquid crystal display device
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United States of America Patent
Stats
-
May 10, 1983
Grant Date -
N/A
app pub date -
Dec 12, 1980
filing date -
Dec 24, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
First and second color liquid crystal display elements of the negative guest-host type are disposed in adjacent and opposing relation to each other and the color liquid crystal display elements provide display in different colors, at least one of electrodes of each color liquid crystal display element having formed therein a display pattern. By the control of a changeover switch, an alternating drive voltage is applied from a drive circuit to one of the first and second color liquid crystal display elements to change the color of a background of the display in accordance with the control of the changeover switch.
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International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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