Liquid crystal display system

Details Liquid crystal display system Liquid crystal display system

1978-10-18

1980-11-25

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340765, 340784, 340812, 350331T, G09F 935

Patent

active

042361508

ABSTRACT:
A liquid crystal display system having improved response time. The display system employs a refresh signal having a frequency which is controlled as a function of temperature to provide optimum decay time.

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patent: 4045791 (1977-08-01), Fukai et al.
patent: 4048628 (1977-09-01), Boswell
patent: 4057325 (1977-11-01), Kondo
patent: 4066333 (1978-01-01), Dargent et al.
patent: 4100540 (1978-07-01), Fujita et al.
Bak, Ko, and Labes; "Fast Decay in a Twisted Nematic Induced by Frequency Switching;" Journal of Applied Physics, vol. 46, No. 1, Jan. 1975 , pp. 1-4.
Bucher, Klingbier and Van Meter; "Frequency-Addressed Liquid Crystal Field Effect;" Applied Physics Letters, vol. 25, No. 4, Aug. 1974, pp. 186-188.
Dargent and Robert; "Twisted Nematic Flat-Panel Display;" SID 77 Digest, pp. 60, 61.
Chang and Loebner; "Crossover Frequencies and Turn-Off Time Reduction Scheme For Twisted Nematic Liquid Crystal Displays; " App. Phys. Letters, vol. 25, No. 1. 1974 Jul., pp. 1, 2.

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