Patent ID: 7542109

Claim:
A liquid crystal display (LCD) device for switching between a wide viewing angle display mode and a narrow viewing angle display mode, comprising: an LCD panel including an array substrate, a color filter substrate, and a liquid crystal layer disposed between the array substrate and the color filter substrate; and a viewing angle control cell disposed adjacent to the LCD panel, the viewing angle control cell including first and second substrates, first and second electrodes disposed between the first and second substrates, an insulating layer disposed between the first and second electrodes, and a sheet layer having pigments disposed between the first and second substrates, wherein the first electrode is disposed on the first substrate, the insulating layer is disposed on the first substrate, the second electrode is disposed on the insulating layer, and wherein the sheet layer is disposed on the second substrate such that the sheet layer and the second electrode face each other with a gap therebetween.