Dichroic liquid crystal display with integral electroluminescent

Details Dichroic liquid crystal display with integral electroluminescent Dichroic liquid crystal display with integral electroluminescent

1990-10-29

1992-06-09

Miller, Stanley D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 48, 359 62, G02F 11335

Patent

active

051212340

ABSTRACT:
A composite liquid crystal electroluminescent electro-optical display device utilizing single-cell construction. Backlighting is furnished by a low-intensity, low-power-consumption integrally formed electroluminescent light source cooperating with a liquid crystal element with commonly excited electrodes. The integral electro-luminescent light source replaces the requirement for a transflector. The invention offers substantially improved contrast while minimizing physical size, power dissipation and construction complexity.

REFERENCES:
patent: 4500173 (1985-02-01), Leibowitz et al.
patent: 4580877 (1986-04-01), Washo
patent: 4772885 (1988-09-01), Uehara et al.
patent: 4924215 (1990-05-01), Nelson
Dickerson et al., "Transmissive-Reflective Liquid Crystal Display," IBM Technical Disclosure Bulletin, vol. 27, No. 7A, pp. 3911-3912, Dec. 1984.
Hornberger, "Liquid Crystal Display," IBM Technical Disclosure Bulletin, vol. 12, No. 10, pp. 1697-1698, Mar. 1970.

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