Arrangement to minimize reflected ambient light in a display

Details Arrangement to minimize reflected ambient light in a display Arrangement to minimize reflected ambient light in a display

1986-08-20

1987-04-28

Corbin, John K.

350339R, 350345, G02F 113

Patent

active

046609369

ABSTRACT:
A display comprises means for changing the polarization of light, such as a liquid crystal cell, and has a means for analyzing light on one side thereof. A means for diffusing light is disposed between the cell and the analyzing means. This arrangement results in a higher contrast ratio for the display than for the prior art arrangement having the analyzing means disposed between the cell and the diffusing means.

REFERENCES:
patent: 3840695 (1974-10-01), Fisher
patent: 4183630 (1980-01-01), Funada et al.
"Multiplexed Twisted Nematic Liquid Crystal Display with Wide-View Angle", A. G. Arellano, IBM Technical Disclosure Bulletin, vol. 20, No. 11B, Apr. 1978.

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