Projection type liquid crystal display device

Details Projection type liquid crystal display device Projection type liquid crystal display device

1988-06-15

1990-05-22

Haroian, Harry N.

Optics: image projectors

Polarizer or interference filter

353 81, 353122, 353 38, G03B 2114

Patent

active

049281232

ABSTRACT:
A projection type liquid crystal display device comprising a projector including a liquid crystal display element and a first polarizing plate for projecting an image displayed by the liquid crystal display element after polarization, the first polarizing plate for applying a specific polarized light component, and a screen on which the image projected by the projector is presented, wherein second polarizing plate is formed on the surface of the screen.

REFERENCES:
patent: 1610423 (1926-12-01), Cawley
patent: 2358070 (1944-09-01), Holmes et al.
patent: 3350982 (1967-11-01), Marks
patent: 3792922 (1974-02-01), Fournie
S.P.I.E. Optomechanical Systems Design, vol. 250, 1980, "Liquid Crystal Light Valve Projector", R. S. Gold.
IEEE Transactions on Electrical Devices, "Design of an Electrooptic Light Valve Proj. Display" by Moore, 5/1970, pp. 423-428.

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