Abstract
Electrooptic modes with fast response and high contrast ratio are highly desirable in modern photonics and displays. Ferroelectric liquid crystals (FLCs) are especially promising for fulfilling these demands by employing photoalignment technology in FLC cells. Three electrooptic modes including surface stabilized FLC (SSFLC), deformed helix ferroelectric (DHF) mode, and electrically suppressed helix (ESH) mode are reviewed with the corresponding electrooptic effects like bi- and multi-stable switching, continuous modulation of grayscale or phase, and high contrast switching. The general operation principles FLC electrooptic modes are described, and then the characteristics of each modes for potential applications are summarized. With the advantages of controllable anchoring energy, the photoalignment provides FLC samples with uniform alignment and high contrast ratio. The fast FLCs with a high resolution and high contrast can be used in the next generation display including field sequential color FLC microdisplays, as well as switchable 2D/3D televisions.
Highlights
High speed, low power consumption, high resolution and high contrast ratio are in high demand for generation displays [1,2,3,4] and modern photonic devices [5,6,7]
We review the recent advances in Ferroelectric liquid crystals (FLCs) electrooptic modes and their applications
Three electrooptic modes including surface stabilized FLC (SSFLC), deformed helix ferroelectric mode, and electrically suppressed helix (ESH) mode are reviewed with the corresponding electrooptic (DHF) mode, and electrically suppressed helix (ESH) mode are reviewed with the corresponding effects like bi- and multistable switching, continuous modulation of grayscale or phase, and high electrooptic effects like bi- and multistable switching, continuous modulation of grayscale or phase, contrast switching
Summary
Low power consumption, high resolution and high contrast ratio are in high demand for generation displays [1,2,3,4] and modern photonic devices [5,6,7]. Three electrooptic modes including surface stabilized FLC (SSFLC), deformed helix ferroelectric mode, and electrically suppressed helix (ESH) mode are reviewed with the corresponding electrooptic (DHF) mode, and electrically suppressed helix (ESH) mode are reviewed with the corresponding effects like bi- and multistable switching, continuous modulation of grayscale or phase, and high electrooptic effects like bi- and multistable switching, continuous modulation of grayscale or phase, contrast switching. For each of these FLC modes, we first describe the general operation principles, and high contrast switching. Principles, and compare their pros and cons for different aspects of applications
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