Dual cavity lcd

Details Dual cavity lcd Dual cavity lcd

G - Physics

09

F

G09F 9/35 (2006.01) G01D 7/00 (2006.01)

Patent

CA 2050393

An LCD has both active and passive display areas. The active areas are presented by selective energization of dichroic liquid crystal, and the passive areas are created by a mask. The LCD cell includes a sealed cavity containing the dichroic liquid crystal which has an area substantially less than the total display area. The remaining portion of the LCD cell is free of liquid crystal and is transparent to the passage of light from a rear light source.

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