DocumentCode
964527
Title
Improved contrast uniformity in twisted nematic liquid-crystal electro-optic display devices
Author
Raynes, E.P.
Author_Institution
Royal Radar Establishment, Malvern, UK
Volume
10
Issue
9
fYear
1974
Firstpage
141
Lastpage
142
Abstract
It has already been shown that one source of the patched appearance in twisted nematic displays is reverse twist; we now demonstrate the existence of another. Both types of patches have been eliminated by the use of cholesteric additives in combination with particular types of surface alignment.
Keywords
display systems; liquid crystal devices; display systems; electrooptic display devices; liquid crystal devices;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19740108
Filename
4245066
Link To Document