Fiber-optic faceplate with tilted fibers

Details Fiber-optic faceplate with tilted fibers Fiber-optic faceplate with tilted fibers

1993-04-13

1994-07-12

Gross, Anita P.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 82, 385901, G02F 11335, G02F 11333, G02B 600

Patent

active

053293860

ABSTRACT:
Significantly improving in the contrast ratio of a visual image display using a liquid crystal layer and a fiber optic faceplate with tilted fibers. One preferred embodiment of the visual image display includes a liquid crystal layer, a first polarizer and an optical fiber faceplate with many substantially parallel fibers. Each fiber has an axis which forms an oblique angle with the normal to the front surface of the liquid crystal layer. All the oblique angles are substantially equal to a typical oblique angle. The typical oblique angle is selected along the direction that substantially maximizes the contrast ratio of the display.

REFERENCES:
patent: 4017157 (1977-04-01), Van Riet
patent: 4183630 (1980-01-01), Funada et al.
patent: 4344668 (1982-08-01), Gunther et al.
patent: 4349817 (1982-09-01), Hoffman et al.
patent: 4486760 (1984-12-01), Funada et al.
patent: 5035490 (1991-07-01), Hubby, Jr.
Miyoshi, Katsuya et al.; "Conoscopic Study of Liquid Crystal after Application and Removal of the External Electric Field"; Japanese Journal of Applied Physics, vol. 22, No. 12 (Dec., 1983), pp. 1754-1765.

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