Polymer-stabilized liquid crystal applications in head-up display
Date Issued
2012
Date
2012
Author(s)
Wang, Mu-Hao
Abstract
The polarizer-free displays with better light efficiency can be made, e.g. by polymer-stabilized liquid crystal (PSLC) or polymer-dispersed liquid crystal (PDLC). In general, vertically aligned (VA) PSLC has faster response time, lower driving voltage and higher contrast ratio (CR) than PDLC. Therefore, the VA PSLC film was studied in the first part of this thesis by adjusting the parameters such as LC/polymer ratio, cell gap, ultraviolet (UV) exposure time and UV intensity. By analyzing the response time, CR and the stability of the VA PSLC film, we optimized the VA PSLC parameters to get a high CR, fast response time and stable film.
In the second part of this thesis, by using the optimized VA PSLC parameters, we applied the PSLC film to Head-Up Display (HUD) display applications. We made a see-through HUD without polarizer and it had fast response time and relatively low operation voltage.
Subjects
Vertically Aligned Polymer-Stabilized Liquid Crystal (VA-PSLC)
Polymer-Dispersed Liquid Crystal (PDLC)
Head-Up Display
See-Through Display
Type
thesis
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