Digitale Medien
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
60 (1986), S. 3275-3281
ISSN:
1089-7550
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
For the first time calculations of the off-state transmission of twisted nematic liquid-crystal displays (LCD's) are presented which exhibit twist angles greater than the conventional 90 °. The transmission has been calculated using a treatment introduced by Priestley. In addition, the CIE (Commission Internationale d'Eclairage) color coordinates were evaluated which, together with the brightness, determine the optical appearance of an LCD. The finite efficiency of the polarizers was taken into account. The results are compared with those obtained for conventional 90 ° twisted nematic LCD's. From the calculations follow the conditions required to obtain optimal contrast and steep electro-optical characteristics in 180 ° supertwisted LCD's designed for high information content applications.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.337718
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