The diverse, expanding range of digital electronics increasingly employ UV, visible, and NIR light management filters within lenses, covers, films, and coatings. LED displays, digital cameras, and smartphones employ noise reduction, contrast enhancement, or high energy visible (HEV) light suppression for enhanced user experience.

Ambient and competitive NIR noise reduction filtering improves NIR pupil tracking, facial recognition, and lidar mapping performance.  These are also important for augmented reality (AR) applications.  Visually opaque compounds that transmit infrared signals have become ubiquitous for remote controls, security systems, and a variety of emitter or receiver covers.

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