Analyzing the effect of temperature on optical performance of dual‐layer liquid crystal displays

The effect of temperature on optical performance of a dual‐layer liquid crystal display (LCD) is investigated by considering LC material parameter and structural deformation of LC panels simultaneously. First, the optical anisotropy of LC material under the influence of temperature is calculated the...

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Bibliographic Details
Published in:Journal of the Society for Information Display 2021-07, Vol.29 (7), p.537-546
Main Authors: Gong, Xin, Lv, Guo‐Qiang, Li, Jun‐Jun, Hu, Zi‐Ang, Wang, Zi, Feng, Qi‐Bin
Format: Article
Language:English
Subjects:
Anisotropy
Crystal structure
LCDs
Liquid crystal displays
Mathematical analysis
Panels
Temperature
Temperature effects
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Summary:The effect of temperature on optical performance of a dual‐layer liquid crystal display (LCD) is investigated by considering LC material parameter and structural deformation of LC panels simultaneously. First, the optical anisotropy of LC material under the influence of temperature is calculated theoretically. Then, the thermal deformations of the dual‐layer LC panels caused by temperature are simulated. Combined with the two factors, the change in optical performance of a dual‐layer LCD under the influence of temperature can be analyzed. In white state, the color in the central area of a dual‐layer LCD is shifted towards blue, and a yellowish border in the edge area may appear. In gray or black state, there may be a light leakage in the edge area of a dual‐layer LCD under the influence of temperature.
ISSN:1071-0922
1938-3657
DOI:10.1002/jsid.996