photochromic compound

photochromic compound

[¦fōd·ō¦krō·mik ′käm‚pau̇nd]
(chemistry)
A chemical compound that changes in color when exposed to visible or near-visible radiant energy; the effect is reversible; used to produce very-high-density microimages.
References in periodicals archive ?
Organic photochromic compounds are one kind of candidates for optical memory (8), (9), especially for rewritable optical memory.
Photochromic compounds have been added to eyeglasses for darkening in sunlight.
Applied research projects now being conducted in collaboration with major industrial partners are aimed at the development of new compounds with anti-viral and anti-HIV activity, and the synthesis of novel photochromic compounds for use in the electronics and printing industries.
PPG produces the monomer and photochromic compounds used in Transitions Comfort Lenses.