Abstract
We proposed a fast liquid crystal display (LCD) in a vertical alignment (VA) mode with continuous multi-domains for wide-viewing characteristics. The fast VA LCD was fabricated by the mixed vertical alignment layer with UV curable reactive mesogen (RM) polymer memorizing the switching directions of the LC molecules. The wide-viewing and fast response characteristics were obtained by axially symmetric switching directions and the memorization of them without any specific electrode patterns or surface structures.
Highlights
The liquid crystal displays (LCDs) have been extensively studied and used for a wide range of display applications such as mobile phones, monitors, and televisions because of their high image qualities with low power consumption
We proposed a fast liquid crystal display (LCD) in a vertical alignment (VA) mode with continuous multi-domains for wide-viewing characteristics
The fast VA LCD was fabricated by the mixed vertical alignment layer with UV curable reactive mesogen (RM) polymer memorizing the switching directions of the LC molecules
Summary
The liquid crystal displays (LCDs) have been extensively studied and used for a wide range of display applications such as mobile phones, monitors, and televisions because of their high image qualities with low power consumption. To improve the viewing angle property, various LCD modes with multi-domains such as in-plane switching (IPS) [5,6], fringe-field switching (FFS) [7,8], optically-compensated bend (OCB) [9,10], multi-domain vertical alignment (MVA) [11,12,13], patterned vertical alignment (PVA) [14,15] have been developed. The MVA and PVA modes do not require the rubbing process but need to pattern the top and bottom electrodes to control the switching directors of the LC molecules. In such cases, another manufacturing process is needed for patterning the electrodes. The intrinsically axial-symmetric modes such as axially symmetric aligned microcell (ASM) [16] mode and locked-super homeotropic (LSH) [17] mode showed very slow response time because of the stabilization of the defect structures including point singularities and disclination lines under an applied voltage
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