Double-sided lcd panel

Details Double-sided lcd panel Double-sided lcd panel

G - Physics

02

F

G02F 1/133 (2006.01) G09G 3/36 (2006.01)

Patent

CA 2564461

There is disclosed a double-sided liquid crystal display (LCD) panel which includes a first polymer dispersed liquid crystal (PDLC) layer configured to be responsive to an applied DC voltage for making the first PDLC layer substantially transparent; a center liquid crystal cell layer; a second PDLC layer configured to be responsive to an applied DC voltage for making the second PDLC layer substantially transparent; and an LCD control module configured to control the first and second PDLC layers such that the center liquid crystal cell layer is viewable from a selected viewing side. Depending on the selected viewing side, the LCD control module is configured to select one of the first and second PDLC layers to make substantially transparent, and the other of the first and second PDLC layers to make substantially translucent. A light source may be applied to a side of a translucent one of the PDLC layers to provide a backlight for the center liquid crystal layer.

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