Simultaneous measurement of twist angle and cell gap of a twisted nematic cell by an optical methodAlan Lien1991EURODISPLAY 1991
LCDs modeling by 2 × 2 and 4 × 4 propagation matrix methods and by generalized geometrical optics approximationHiap Liew Ong1991EURODISPLAY 1991
Two-domain twisted nematic and tilted homeotropic liquid crystal displays for active matrix applicationsK.H. Yang1991EURODISPLAY 1991