Provided are photochromic articles including a substrate, a primer layer that includes a first photochromic compound, and a photochromic-dichroic layer over the primer layer that includes a photochromic-dichroic compound. The first photochromic compound and the photochromic-dichroic compound each ar
Provided are photochromic articles including a substrate, a primer layer that includes a first photochromic compound, and a photochromic-dichroic layer over the primer layer that includes a photochromic-dichroic compound. The first photochromic compound and the photochromic-dichroic compound each are selected such that the photochromic-dichroic compound has an unactivated state terminal minimum absorbance wavelength that is less than or equal to the unactivated state terminal minimum absorbance of the underlying first photochromic compound. The present invention also relates to such photochromic articles that further include a topcoat layer over the photochromic-dichroic layer, the topcoat layer including a second photochromic compound that has an unactivated state terminal minimum absorbance wavelength that is less than the unactivated state terminal minimum absorbance wavelength of the underlying photochromic-dichroic compound.
대표청구항▼
1. A photochromic article comprising: a substrate;a primer layer comprising a first photochromic compound, said primer layer being positioned over said substrate, and said first photochromic compound having a first unactivated state absorbance of greater than 0 at all wavelengths from 340 nm to 380
1. A photochromic article comprising: a substrate;a primer layer comprising a first photochromic compound, said primer layer being positioned over said substrate, and said first photochromic compound having a first unactivated state absorbance of greater than 0 at all wavelengths from 340 nm to 380 nm, and a first unactivated state terminal minimum absorbance wavelength of greater than 380 nm; anda coating layer comprising a photochromic-dichroic compound, said coating layer being positioned over said primer layer, and said photochromic-dichroic compound having a second unactivated state absorbance of greater than 0 over at least a portion of wavelengths from 340 nm to 380 nm, and a second unactivated state terminal minimum absorbance wavelength of greater than 340 nm,wherein said second unactivated state terminal minimum absorbance wavelength is less than or equal to said first unactivated state terminal minimum absorbance wavelength. 2. The photochromic article of claim 1, wherein said second unactivated state terminal minimum absorbance wavelength is greater than 380 nm. 3. The photochromic article of claim 1, wherein said second unactivated state absorbance of greater than 0 is at all wavelengths from 340 nm to 380 nm, and said second unactivated state terminal minimum absorbance wavelength is greater than 380 nm. 4. The photochromic article of claim 1, wherein said first unactivated state terminal minimum absorbance wavelength is greater than 380 nm and less than or equal to 450 nm, and said second unactivated state terminal minimum absorbance wavelength is greater than 340 nm and less than or equal to 450 nm. 5. The photochromic article of claim 1, wherein said second unactivated state terminal minimum absorbance wavelength is less than said first unactivated state terminal minimum absorbance wavelength. 6. The photochromic article of claim 1, wherein said photochromic article has an unactivated state percent transmittance of less than 5% at all wavelengths from 340 nm to 380 nm. 7. The photochromic article of claim 1, wherein said primer layer further comprises an organic matrix comprising polyurethane linkages. 8. The photochromic article of claim 1, wherein said photochromic-dichroic compound is at least partially aligned. 9. The photochromic article of claim 1, wherein said photochromic-dichroic layer further comprises a phase-separated polymer comprising, a matrix phase that is at least partially ordered, anda guest phase that is at least partially ordered, wherein said guest phase comprises said photochromic-dichroic compound, and said photochromic-dichroic compound is at least partially aligned with at least a portion of said guest phase. 10. The photochromic article of claim 1, wherein said photochromic-dichroic layer further comprises an interpenetrating polymer network comprising, an anisotropic material that is at least partially ordered, anda polymeric material, wherein said anisotropic material comprises said photochromic-dichroic compound, and said photochromic-dichroic compound is at least partially aligned with at least a portion of said anisotropic material. 11. The photochromic article of claim 1, wherein said photochromic-dichroic layer further comprises at least one additive selected from dyes, alignment promoters, kinetic enhancing additives, photoinitiators, thermal initiators, polymerization inhibitors, solvents, light stabilizers, heat stabilizers, mold release agents, rheology control agents, leveling agents, free radical scavengers, and adhesion promoters. 12. The photochromic article of claim 1, wherein said photochromic-dichroic layer further comprises at least one dichroic material chosen from azomethines, indigoids, thioindigoids, merocyanines, indans, quinophthalonic dyes, perylenes, phthaloperines, triphenodioxazines, indoloquinoxalines, imidazo-triazines, tetrazines, azo and (poly)azo dyes, benzoquinones, naphthoquinones, anthroquinone and (poly)anthroquinones, anthropyrimidinones, iodine and iodates. 13. The photochromic article of claim 1, wherein said first photochromic compound and said photochromic-dichroic compound are each independently selected from indeno-fused naphthopyrans, naphtho[1,2-b]pyrans, naphtho[2,1-b]pyrans, spirofluoroeno[1,2-b]pyrans, phenanthropyrans, quinolinopyrans, fluoroanthenopyrans, spiropyrans, benzoxazines, naphthoxazines, spiro(indoline)naphthoxazines, spiro(indoline)pyridobenzoxazines, spiro(indoline)fluoranthenoxazines, spiro(indoline)quinoxazines, fulgides, fulgimides, diarylethenes, diarylalkylethenes, diarylalkenylethenes, thermally reversible photochromic compounds, and non-thermally reversible photochromic compounds, and mixtures thereof. 14. The photochromic article of claim 1 further comprising an alignment layer interposed between said primer layer and said photochromic-dichroic layer, and said photochromic-dichroic compound is at least partially aligned. 15. The photochromic article of claim 1, wherein the substrate is selected from untinted substrates, tinted substrates, photochromic substrates, tinted-photochromic substrates, and linearly polarizing substrates. 16. The photochromic article of claim 1, wherein said photochromic article has an activated state optical density that is greater than a control activated state optical density of a control photochromic article comprising said substrate and said coating layer in the absence of said primer layer. 17. The photochromic article of claim 16, wherein said activated state optical density and said control activated state optical density are each determined from 410 nm to 800 nm. 18. The photochromic article of claim 1, wherein said photochromic-dichroic layer further comprises an anisotropic material. 19. The photochromic article of claim 18, wherein said anisotropic material comprises a liquid crystal material. 20. The photochromic article of claim 1 further comprising a topcoat layer comprising an ultraviolet light absorber, wherein said topcoat layer resides over said photochromic-dichroic layer. 21. The photochromic article of claim 20 further comprising a hard coat layer, wherein said hard coat layer resides over said topcoat layer. 22. The photochromic article of claim 1, wherein said photochromic article is selected from ophthalmic articles, display articles, windows, mirrors, and active liquid crystal cell articles, and passive liquid crystal cell articles. 23. The photochromic article of claim 22, wherein said photochromic article is selected from ophthalmic articles, and said ophthalmic articles are selected from corrective lenses, non-corrective lenses, contact lenses, intra-ocular lenses, magnifying lenses, protective lenses, and visors. 24. The photochromic article of claim 22, wherein said photochromic article is selected from display articles, and said display articles are selected from screens, monitors, and security elements. 25. A photochromic article comprising: a substrate;a primer layer comprising a first photochromic compound, said primer layer being positioned over said substrate, and said first photochromic compound having a first unactivated state absorbance of greater than 0 at all wavelengths from 340 nm to 380 nm, and a first unactivated state terminal minimum absorbance wavelength of greater than 380 nm; anda coating layer comprising a photochromic-dichroic compound, said coating layer being positioned over said primer layer, and said photochromic-dichroic compound having a second unactivated state absorbance of greater than 0 over at least a portion of wavelengths from 340 nm to 380 nm, and a second unactivated state terminal minimum absorbance wavelength of greater than 340 nm,a topcoat layer comprising a second photochromic compound, said topcoat layer being positioned over said photochromic-dichroic layer, and said second photochromic compound having a third unactivated state absorbance of greater than 0 over at least a portion of wavelengths from 330 nm to 380 nm, and a third unactivated state terminal minimum absorbance wavelength that is greater than 330 nm,wherein said third unactivated state terminal minimum absorbance wavelength is less than said second unactivated state terminal minimum absorbance wavelength, and said second unactivated state terminal minimum absorbance wavelength is less than or equal to said first terminal minimum absorbance wavelength. 26. The photochromic article of claim 25, wherein said second unactivated state terminal minimum absorbance wavelength is greater than 380 nm. 27. The photochromic article of claim 25, wherein said second unactivated state absorbance of greater than 0 is at all wavelengths from 340 nm to 380 nm, and said second unactivated state terminal minimum absorbance wavelength is greater than 380 nm. 28. The photochromic article of claim 25, wherein said second unactivated state terminal minimum absorbance wavelength is less than said first unactivated state terminal minimum absorbance wavelength. 29. The photochromic article of claim 25, wherein said photochromic article has an unactivated state percent transmittance of less than 5% at all wavelengths from 340 nm to 380 nm. 30. The photochromic article of claim 25, wherein said first photochromic compound, said photochromic-dichroic compound, and said second photochromic compound are each independently selected from indeno-fused naphthopyrans, naphtho[1,2-b]pyrans, naphtho[2,1-b]pyrans, spirofluoroeno[1,2-b]pyrans, phenanthropyrans, quinolinopyrans, fluoroanthenopyrans, spiropyrans, benzoxazines, naphthoxazines, spiro(indoline)naphthoxazines, spiro(indoline)pyridobenzoxazines, spiro(indoline)fluoranthenoxazines, spiro(indoline)quinoxazines, fulgides, fulgimides, diarylethenes, diarylalkylethenes, diarylalkenylethenes, thermally reversible photochromic compounds, and non-thermally reversible photochromic compounds, and mixtures thereof. 31. The photochromic article of claim 25, wherein said topcoat layer further comprises an ultraviolet light absorber. 32. The photochromic article of claim 25 wherein, said first unactivated state terminal minimum absorbance wavelength is greater than 380 nm and less than or equal to 450 nm,said second unactivated state terminal minimum absorbance wavelength is greater than 340 nm and less than or equal to 450 nm, andsaid third unactivated state terminal minimum absorbance wavelength is greater than 330 nm and less than 380 nm. 33. The photochromic article of claim 32 wherein, said third unactivated state absorbance is greater than 0 over at least a portion of wavelengths from 330 nm to less than 370 nm, andsaid third unactivated state terminal minimum absorbance wavelength is greater than 330 nm and less than 370 nm.
Kevin J. Stewart ; Jeanine A. Conklin ; Cletus N. Welch ; James B. O'Dwyer ; Shanti Swarup, Aminoplast resin photochromic coating composition and photochromic articles.
Chamontin Karine,FRX ; Lokshin Vladimir,FRX ; Samat Andre,FRX ; Guglielmetti Robert,FRX, Homoazaadamantane spirooxazines and their use in the field of ophthalmic optics.
Kang Dae S. (Euiwang KRX) Park Woo S. (Anyang KRX) Shin Hyun H. (Anyang KRX) Kwon Soon B. (Seoul KRX) Marusii Tatyana Y. (Kiev UAX) Reznikov Yuriy A. (Kiev UAX) Khizhnyak Anatoliy I. (Kiev UAX) Yaros, Method for forming an orientation film of photopolymer in a liquid crystal display.
Goepfert Serge P. P. (Samoreau FRX) Renault Serge A. M. (Montigny/Loing FRX) Roger Francoise M. M. (Avon FRX), Method of making transparent polarizing laminated glasses.
Funfschilling Jurg,CHX ; Ruetschi Martin,CHX ; Schadt Martin,CHX ; Seiberle Hubert,DEX, Optical component with plural orientation layers on the same substrate wherein the surfaces of the orientation layers h.
Frigoli Michel,FRX ; Moustrou Corinne,FRX ; Samat Andre,FRX ; Guglielmetti Robert,FRX, Photochromic [3H]naphtho[2,1-b]pyran compounds containing an acetylenic substituent, process for their manufacture, and photochromic materials and articles obtained.
Walters Robert W. ; Welch Cletus N. ; Burgman John W. ; Singer Debra L. ; Swarup Shanti, Photochromic epoxy resin coating composition and articles having such a coating.
Frigoli Michel,FRX ; Rebiere-Galy Nicole,FRX ; Moustrou Corinne,FRX ; Samat Andre,FRX ; Guglielmetti Robert,FRX, Photochromic naphtho [2,1-b]pyran compounds containing bithienyl or terthienyl substituents, process for their manufacture, and photochromic materials and articles obtained.
Bowles ; III Robert J. ; Gruchacz Nancyanne ; Swarup Shanti ; Conklin Jeanine A. ; Walters Robert W. ; Hunt Robin, Photochromic polyurethane coating and articles having such a coating.
Shen Sunny S. ; Polis David W. ; Yoon Hyun N. ; Tien Tze-Pei, Polarizer films comprising aromatic liquid crystalline polymers comprising dichroic dyes in their main chains.
Kumar,Anil; Foller,Peter C.; Blackburn,Forrest R.; Shao,Jiping; He,Meng; Kellar, II,Terry A., Polarizing, photochromic devices and methods of making the same.
Kumar,Anil; Foller,Peter C.; Blackburn,Forrest R.; Shao,Jiping; He,Meng; Kellar, II,Terry A., Polarizing, photochromic devices and methods of making the same.
Kumar,Anil; Foller,Peter C.; Blackburn,Forrest R.; Shao,Jiping; He,Meng; Kellar, II,Terry A., Polarizing, photochromic devices and methods of making the same.
Kumar,Anil; Foller,Peter C.; Blackburn,Forrest R.; Shao,Jiping; He,Meng; Kellar, II,Terry A., Polarizing, photochromic devices and methods of making the same.
Smith Robert A. ; Walters Robert W. ; Stewart Kevin J. ; Misura Michael S., Process for producing an adherent polymeric layer on polymeric substrates and articles produced thereby.
Omeis Juergen (Seeheim-Jugenheim DEX) Rau Norbert (Sulzbach DEX) Kunesch Michael (Babenhausen DEX), Process for producing anisotropic liquid crystal layers on a substrate.
Behre Horst (Odenthal DEX) Blank Heinz U. (Odenthal DEX) Marzolph Gerhard (Koeln DEX) Streicher Willi (Koeln DEX), Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid.
Shannon Paul J. (Exton PA) Sun Shao-Tang (Newark DE) Swetlin Brian J. (Wilmington DE), Process of preparing compositions having multiple oriented mesogens.
Bieringer Thomas (Bindlach DEX) Gessner Uwe (Berlin DEX) Haarer Dietrich (Bayreuth DEX) Rubner Joachim (Berlin DEX) Wuttke Roland (Bayreuth DEX) Claussen Uwe (Leverkusen DEX) Ruhmann Ralf (Berlin DEX, Side-group polymers, and their use for optical components.
Uhlmann Donald R. (Newton MA) Snitzer Elias (Wellesley MA) Hovey Richard J. (Sturbridge MA) Chu Nori Y. C. (Southbridge MA), Stabilized photochromic materials.
Uhlmann Donald R. (Newton MA) Snitzer Elias (Wellesley MA) Hovey Richard J. (Sturbridge MA) Chu Nori Y. C. (Southbridge MA) Fournier ; Jr. Joseph T. (Storrs CT), Stabilized photochromic materials.
Goepfert Serge P. P. (Avon FRX) Renault Serge A. M. (Montigny sur Loing FRX) Roger Francoise M. M. (Avon FRX) Themont Jean-Pierre (Montigny sur Loing FRX) Vachet Andre J. (La Genevraye FRX), Transparent laminated polarizing glasses.
Araujo, Roger J.; Hares, George B.; Kerko, David J.; Morgan, David W.; Morse, David L., Ultraviolet absorbing photochromic glass of low silver content.
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