Display Filter And Display Device Having The Same

摘要

A display filter functions not only to block unnecessary radiation emitted from a display device but also to allow Infrared (NIR) radiation emitted from the display device to be used as a user interface signal. The display filter includes a near-infrared radiation blocking layer which absorbs near-infrared radiation emitted from the display device. The near-infrared radiation blocking layer contains 1.5% by weight of a di-immonium-based colorant that absorbs the near-infrared radiation.