Intensity control of excitation means of thermally addressed dis

Details Intensity control of excitation means of thermally addressed dis Intensity control of excitation means of thermally addressed dis

1985-12-30

1987-09-29

Corbin, John K.

G02F 1137

Patent

active

046965505

ABSTRACT:
A liquid crystal display apparatus in which an image to be displayed is written in the liquid crystal cell by irradiating it with a laser beam and in which the image thus written is enlarged and projected on a screen by optical projection means and wherein the invention the amount of energy supplied to a spot in the liquid crystal cell in which an image is to be produced is increased when writing is not and will not be done in immediately preceding and succeeding spots so that the image writing in the liquid crystal cell can be completed within a shorter time.

REFERENCES:
patent: 4150396 (1979-04-01), Hareng et al.
patent: 4561727 (1985-12-01), Heeks
Armitage "Numerical Solution of Heat Flow in the Laser Addressed Liquid Crystal Display", J. Appl. Phys. vol. 52, No. 7, Jul. 1981, pp. 4843-4851.
Lu et al, "Thermally and Electrically Addressed Dye Switching LCD's", Mol. Crys. Liq. Crys., vol. 94, 1983, pp. 167-189.
Dewey et al, "A 2000-Character Thermally Addressed Liquid Crystal Projection Display", SID 77 Digest Conference: Boston, Mass. 19-21, Apr. 1977, pp. 108-109.
Cunningham, "Visual Display Unit Using Laser Scanning and Liquid Crystal Cell", IBM Technical Disclosure Bulletin, vol. 19, No. 8, pp. 3179-3181.
IBM Journal of Research and Development, vol. 26, No. 2, pp. 177-185, Mar. 1982.
Electronics Review-Thermal Cycling Activates, Freezes Liquid-Crystal Display-Nov. 30, 1981-pp. 39-40-3.

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