Importance

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Abstract

A privacy screen for a color CRT tube to shield images displayed on the color CRT tube film from observers to the sides of an observer in front of the tube. A first light control film contains a plurality of closely spaced louvers and is located in front of the color CRT tube. The louvers are positioned at a tilt angle relative to a vertical line and at a first direction relative to the vertical line. A second light control film contains a plurality of closely spaced louvers and is located in front of the CRT tube and the first light control film. The louvers of the second film are positioned at a tilt angle relative to the vertical line and at a second direction relative to the vertical line and opposite to the first direction of the louvers of the first film. The tilt angles of the louvers of the first and second films provide for a substantial reduction of any visual moire patterns produced by an interaction between the images on the color CRT tube and the first and second light control films while providing privacy for the images on the color CRT tube.

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First Claim