Multi-color liquid crystal display device
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United States of America Patent
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Issued Date -
Dec 11, 2003
app pub date -
Jun 6, 2002
filing date -
Jun 6, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a multi-color LCD device comprises two liquid crystal panels stacked up and down. A first polarizer, a second polarizer, and a third polarizer or a reflector are disposed above, between, and below these two liquid crystal panels, respectively. Each of the polarizers has a transmission axis and an absorption axis orthogonal to each other. The transmission axis of each of the polarizers lets white light be transmitted. The absorption axes of the first and second polarizers absorb lights of complementary colors. The absorption axis of the third polarizer absorbs white light. Through whether applying voltages onto the two liquid crystal panels or not, different color displaying effects can be achieved. The present invention has the advantage of low cost.
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