FILTER, DISPLAY DEVICE AND A LIQUID-CRYSTAL DISPLAY DEVICE

摘要

The present invention relates to a filter, a display device and a liquid crystal display device. The display device according to the present invention comprises a display panel, a filter placed in front of the display panel, and 3D glasses comprising a left-eye lens and a right-eye lens; the filter comprises a base plate and a circularly polarised-light layer placed on the base plate; and the left-eye lens and right-eye lens respectively allow circularly polarised light to pass through and can turn on and off in accordance with an input synchronization signal.