Homeotropic nematic display with internal reflector

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G02F 1133

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active

044924321

ABSTRACT:
Nematic liquid crystal display is provided with front side polarizer (13) and homeotropic orientation in the non-field state. The nematic liquid crystal (6) has a negative dielectric anisotropy.
The display cell has an internal reflector (11) consisting of an insulating oxide layer with built-in aluminum flakes and a front side polarizer (8, 13). This display provides a reflection display with no back lighting.

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patent: 4340277 (1982-07-01), Kaufmann et al.
patent: 4357374 (1982-11-01), Ogawa
Guyon et al., "Anchoring Properties and Alignment of Liquid Crystals", Nonemissive Electrooptic Display, Paris 1975, pp. 121-144.
Maltese et al., "Improved Construction of Liquid Crystal Display Cells", Alta Frquenza, vol. XLVII, No. 9, Sep. 1978, pp. 664-667.
Kahn, "Orientation of Liquid Crystals by Surface Coupling Agents", App. Phys. Lett., vol. 22, No. 8, Apr. 15, 1978, pp. 386-388.
White et al., "New Aborptive Mode Reflective Liquid Crystal Display Device", J. of Appl. Phys., vol. 45, No. 11, Nov. 1974, American Institute of Technology, pp. 4718-4723.
Demus, "Chemical Composition and Display Performance", Nonemissive Electrooptic Displays, Ed. Kmetz et al., Plenum Press, New York, 1976, pp. 83-119.

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