Abstract
Temperature dependence of dielectric properties of nematic liquid crystals are investigated for two types of devices: wide temperature range liquid crystal (LC) displays and capacitor temperature sensor. Both real and imaginary components of the dielectric constant have been measured in wide frequency and temperature range including t < 0 C as well as versus the angle θ between the directions of both magnetic and electric field in the measuring scheme. Some physical parameters of the nematic LC (NLC) dielectric relaxation have been determined. Effective values of the LC dielectric permittivity with different values of the LC pretilt angles in different parts of a complex LC cell have been simulated.
| Original language | English |
|---|---|
| Pages (from-to) | 403-409 |
| Number of pages | 7 |
| Journal | Journal of the Society for Information Display |
| Volume | 23 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 1 Sept 2015 |
Bibliographical note
Publisher Copyright:© 2015 Society for Information Display.
Keywords
- anisotropy
- combined LC orientation
- dielectric spectroscopy
- liquid crystals
- temperature sensor
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