Necessary conditions for display and fast switching of high contrast images by antiferroelectric liquid crystal displays

2006 ◽  
Vol 89 (12) ◽  
pp. 121919 ◽  
Author(s):  
Lachezar Komitov ◽  
Nils Olsson ◽  
Bertil Helgee
Keyword(s):  
Liquid Crystal ◽  
Necessary Conditions ◽  
Liquid Crystal Displays ◽  
High Contrast ◽  
Fast Switching

scholarly journals Patterned waveguide liquid crystal displays

RSC Advances ◽  
2020 ◽  
Vol 10 (68) ◽  
pp. 41693-41702
Author(s):  
Yunho Shin ◽  
Jinghua Jiang ◽  
Guangkui Qin ◽  
Qian Wang ◽  
Ziyuan Zhou ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Switching Time ◽  
Contrast Ratio ◽  
Liquid Crystal Displays ◽  
High Contrast ◽  
High Brightness ◽  
Photo Polymerization ◽  
Ultrafast Switching ◽  
Light Waveguide ◽  
Polymer Stabilized

A polymer stabilized LC based light waveguide display is reported. Performance is improved by patterned photo-polymerization or electrode. It has high brightness, ultrafast switching time, high contrast ratio, and high transmittance for transparent and augmented displays.

scholarly journals High-Contrast and Scattering-Type Transflective Liquid Crystal Displays Based on Polymer-Network Liquid Crystals

Polymers ◽  
2020 ◽  
Vol 12 (4) ◽  
pp. 739 ◽  
Author(s):  
Cheng-Kai Liu ◽  
Wei-Hsuan Chen ◽  
Chung-Yu Li ◽  
Ko-Ting Cheng
Keyword(s):  
Liquid Crystal ◽  
Polymer Network ◽  
Liquid Crystal Displays ◽  
Quarter Wave Plate ◽  
High Contrast ◽  
Trade Off ◽  
Twisted Nematic ◽  
Quarter Wave ◽  
The Common ◽  
Linear Polarizer

The methods to enhance contrast ratios (CRs) in scattering-type transflective liquid crystal displays (ST-TRLCDs) based on polymer-network liquid crystal (PNLC) cells are investigated. Two configurations of ST-TRLCDs are studied and are compared with the common ST-TRLCDs. According to the comparisons, CRs are effectively enhanced by assembling a linear polarizer at the suitable position to achieve better dark states in the transmissive and reflective modes of the reported ST-TRLCDs with the optimized configuration, and its main trade-off is the loss of brightness in the reflective modes. The PNLC cell, which works as an electrically switchable polarizer herein, can be a PN-90° twisted nematic LC (PN-90° TNLC) cell or a homogeneous PNLC (H-PNLC) cell. The optoelectric properties of PN-90° TNLC and those of H-PNLC cells are compared in detail, and the results determine that the ST-TRLCD with the optimized configuration using an H-PNLC cell can achieve the highest CR. Moreover, no quarter-wave plate is used in the ST-TRLCD with the optimized configuration, so a parallax problem caused by QWPs can be solved. Other methods for enhancing the CRs of the ST-TRLCDs are also discussed.

Ultra-fast-switching flexoelectric liquid-crystal display with high contrast

2010 ◽  
Vol 18 (2) ◽  
pp. 128 ◽  
Author(s):  
Flynn Castles ◽  
Stephen M. Morris ◽  
Damian J. Gardiner ◽  
Qasim M. Malik ◽  
Harry J. Coles
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystal Display ◽  
High Contrast ◽  
Fast Switching

scholarly journals Fast switching, high contrast and high resolution liquid crystal device for virtual reality display

2018 ◽  
Vol 26 (26) ◽  
pp. 34142 ◽  
Author(s):  
Jeong Hwan Yoon ◽  
Seung Jae Lee ◽  
Young Jin Lim ◽  
Eo Jin Seo ◽  
Hoon Sub Shin ◽  
...  
Keyword(s):  
Virtual Reality ◽  
Liquid Crystal ◽  
High Resolution ◽  
High Contrast ◽  
Liquid Crystal Device ◽  
Fast Switching

scholarly journals Extraordinarily high-contrast and wide-view liquid-crystal displays

2005 ◽  
Vol 86 (12) ◽  
pp. 121107 ◽  
Author(s):  
Qi Hong ◽  
Thomas X. Wu ◽  
Xinyu Zhu ◽  
Ruibo Lu ◽  
Shin-Tson Wu
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystal Displays ◽  
High Contrast

Compensation Film Designs for High Contrast Wide-View Blue Phase Liquid Crystal Displays

2014 ◽  
Vol 10 (1) ◽  
pp. 3-6 ◽  
Author(s):  
Yifan Liu ◽  
Yi-fen Lan ◽  
Qi Hong ◽  
Shin-Tson Wu
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystal Displays ◽  
High Contrast ◽  
Phase Liquid ◽  
Blue Phase
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