Optical article having a photoluminescent mark

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United States of America Patent

PATENT NO 10444537
APP PUB NO 20180024377A1
SERIAL NO

15544615

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to an optical article that includes, a mark that is positioned on and/or within the first surface of an optical substrate thereof, and a photochromic layer that includes at least one photochromic compound and which resides over at least a portion of the first surface. The mark includes a photoluminescent material. The first surface of the optical substrate is exposed to a source of actinic radiation, the photochromic compound has an activation time after exposure to the source of actinic radiation, and the mark luminesces and is visually observable during at least a portion of the activation time. The present invention also relates to: an optical article that includes, a mark that is positioned within the first surface of an optical substrate thereof, and at least one photochromic compound that is also positioned within the first surface; and methods of making such optical articles.

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Patent Owner(s)

  • TRANSITIONS OPTICAL, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carpenter, William D Pinellas Park, US 13 54
Frease, Jennine M Saint Petersburg, US 4 15
Kumar, Anil Murrysville, US 411 6311
Li, Chenguang Saint Petersburg, US 14 183

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