Ferroelectric Liquid Crystals: Physics and Applications

被引：55
作者：
Guo, Qi [1 ,2 ]
Yan, Kexin [1 ]
Chigrinov, Vladimir [3 ,4 ]
Zhao, Huijie [1 ]
Tribelsky, Michael [5 ,6 ]
机构：
[1] Beihang Univ, Sch Instrumentat & Optoelect Engn, Beijing 100191, Peoples R China
[2] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[3] Foshan Univ, Sch Phys & Optoelect Engn, Foshan 528325, Guangdong, Peoples R China
[4] HKUST, State Key Lab Adv Displays & Optoelect Technol, Hong Kong, Peoples R China
[5] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
[6] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Moscow 115409, Russia
来源：
CRYSTALS | 2019年 / 9卷 / 09期
基金：
中国国家自然科学基金;
关键词：
ferroelectric liquid crystal; photo-alignment; fast response time; display; photonic devices; CONTROLLED BIREFRINGENCE; GRATINGS; DISPLAY; MODE; LENS;
D O I：
10.3390/cryst9090470
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
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.
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页数：21
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