Voltage-Dependent Optical Activity of a Twisted Nematic Liquid Crystal by M. Schadt and W. Helfrich from Applied Physics Letters, Feb. 15, 1971, vol. 18, No. 4, pp. 127-128. |
Optimum Polarizer Combination for Twisted Nematic Displays by T. J. Scheffer and J. Nehring from IEEE Transactions on Electronic Devices, Jul. 1977, vol. ED-24, No. 7, pp. 816-822. |
Optical Characteristics of Twisted Nematic Liquid Crystal Films by C. H. Gooch and H. A. Tarry from Electronics Letters, Jan. 10, 1974, vol. 10, No. 1, pp. 2-4. |
Guest-Host Interactions in Nematic Liquid Crystals, A New Electro-Optic Effect by G. H. Heilmeier and L. A. Zanoni from Applied Physics Letters, Aug. 1, 1968, vol. 13, No. 3, pp. 91-92. |
New Absorptive Mode Reflective Liquid Crystal Display by D. L. White and G. N. Taylor, from Journal of Applied Physics, Nov. 1974, vol. 45, pp. 4718-4723. |
U.S. Application Serial No. 420,963 to John W. Daughton, filed Sep. 21, 1982. |