1981-02-01

Dichroic Liquid Crystal Displays for Automotive Instrument Panel 810172

The characteristics of a guest-host LCD using a phase transition mode (the dichroic LCD) were measured. Being operated without polarizers, it has a wide viewing angle and a high stability to humidity. These advantages which conventional TN-LCDs didn't have are important for automotive instrument panel use. An uniform spacing technology is need because the threshold voltage depend on a cell gap in the phase transition mode LCD. The dichroic LCD gives a wide mesomorphic range (-30 to 87.5°C), a quick response, a high contrast, a wide viewing angle, a high stability to humidity, a high photostability, a low operating voltage and a low power dissipation.

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