Axis-Symmetric Twisted-Vertical Alignment-Mode Using Mortar-Shaped Structure for High-Contrast Reflective LCDs with Fast Response

Yutaro KUGE  Yosei SHIBATA  Takahiro ISHINABE  Hideo FUJIKAKE  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E101-C   No.11   pp.892-896
Publication Date: 2018/11/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E101.C.892
Type of Manuscript: BRIEF PAPER
Category: 
Keyword: 
reflective liquid crystal displays,  twisted-VA mode,  alignment control method,  mortar-shaped structure,  

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Summary: 
We have proposed a mortar-shaped structure to improve response time and alignment uniformity of twisted vertically aligned (TVA) mode liquid crystal displays (LCDs) for high-contrast reflective color LCDs. From the results of the simulation, we clarified that response time, alignment uniformity and viewing angle range of TVA-mode LCDs were improved by controlling the liquid crystal alignment axis-symmetrically in each pixel.