Optical device for enhancing human color vision with improved cosmetic appearance

Abstract

A system, method for creating an optical device, and a device to enhance human color vision are disclosed. The system, method for creating the optical device, and device include a substrate, a plurality of thin film layers provided on the substrate, the plurality of thin film layers including materials creating thin film-specific reflectance spectra based on selected pluralities of materials each having their on respective refractive index, and/or a plurality of colorant layers applied to the plurality of thin film layers, the plurality of colorant layers including at least one colorant, the colorant created based on colorant-specific absorption spectra as defined by selected concentrations.

1 . A transmissive optical device, the optical device comprising:
 two or more optical elements comprising at least one absorptive dye and at least one optical film, the two or more optical elements are configured to define a transmission spectrum of the optical device, the transmission spectrum comprising at least one stop-band having a peak absorbance wavelength between 560 nm and 610 nm inclusive, a full-width-at-half-maximum of at least 10 nm, and a peak absorbance of at least 30% absolute, and   in a 1976 CIE LAB color space, a a-value of a double-pass white point of the optical device is at least 1 unit more than a a-value of a single-pass white point of the device, illuminated by one or more illuminants selected from a set of three CIE illuminants of D65, F2 and F11.   
     
     
         2 . The optical device of  claim 1  wherein the at least one absorptive dye comprises a peak absorbance at approximately 570 nm. 
     
     
         3 . The optical device of  claim 1  wherein the at least one absorptive dye comprises a peak absorbance at approximately 575 nm. 
     
     
         4 . The optical device of  claim 1  wherein the at least one absorptive dye comprises a peak absorbance at approximately 580 nm. 
     
     
         5 . The optical device of  claim 1  wherein the at least one absorptive dye comprises a peak absorbance at approximately 585 nm. 
     
     
         6 . The optical device of  claim 1  wherein the at least one absorptive dye comprises a peak absorbance at approximately 590 nm. 
     
     
         7 . The optical device of  claim 1  wherein the at least one absorptive dye comprises a peak absorbance at approximately 595 nm. 
     
     
         8 . The optical device of  claim 1  wherein the at least one absorptive dye comprises a photochromic dye. 
     
     
         9 . The optical device of  claim 1  wherein the at least one optical film comprises at least one of a reflective coating, hard coating, anti-scratch coating, anti-fog coating, hydrophobic coating, anti-reflecting coating and a polarizer film. 
     
     
         10 . The optical device of  claim 1  wherein at least one optical element comprises at least one of a polycarbonate material and a polyamide material. 
     
     
         11 . The optical device of  claim 1  wherein the two or more optical elements further create a lightness-independent red-green color difference increase between −80% and 120%, excluding from −2% to 2%, for red and green Munsell colors seen through the optical device, illuminated by one or more illuminants selected from the set of three CIE illuminants of D65, F2 and F11. 
     
     
         12 . The optical device of  claim 1  wherein the two or more optical elements further create a red-green lightness-difference for red and green Munsell colors between −5.0 and 5.0, excluding from −0.1 to 0.1, illuminated by one or more illuminants selected from the set of three CIE illuminants of D65, F2 and F11. 
     
     
         13 . A transmissive optical device, the optical device comprising:
 two or more optical elements comprising at least two absorptive dyes, the two or more optical elements configured to define a transmission spectrum of the optical device, the transmission spectrum comprising at least one stop-band having a peak absorbance wavelength between 560 nm and 610 nm inclusive, a full-width-at-half-maximum of at least 10 nm, and a peak absorbance of at least 30% absolute, and   in a 1976 CIE LAB color space, a a-value of a double-pass white point of the optical device is at least 1 unit more than a a-value of a single-pass white point of the device, illuminated by one or more illuminants selected from a set of three CIE illuminants of D65, F2 and F11.   
     
     
         14 . The optical device of  claim 13  wherein the at least one absorptive dye comprises a peak absorbance at approximately 575 nm. 
     
     
         15 . The optical device of  claim 13  wherein the at least one absorptive dye comprises a peak absorbance at approximately 585 nm. 
     
     
         16 . The optical device of  claim 13  wherein the at least one absorptive dye comprises a peak absorbance at approximately 595 nm. 
     
     
         17 . The optical device of  claim 13  wherein the one or more optical elements comprise at least one of a reflective coating, hard coating, anti-scratch coating, anti-fog coating, hydrophobic coating, anti-reflecting coating and a polarizer film. 
     
     
         18 . A transmissive optical device, the optical device comprising:
 one or more optical elements comprising at least one absorptive dye, the one or more optical elements configured to define a transmission spectrum of the optical device, the transmission spectrum comprising at least one stop-band having a peak absorbance wavelength between 560 nm and 610 nm inclusive, a full-width-at-half-maximum of at least 10 nm, and a peak absorbance of at least 30% absolute, and   in a 1976 CIE LAB color space, a a-value of a double-pass white point of the optical device is at least 1 unit less than a a-value of a single-pass white point of the device, illuminated by one or more illuminants selected from a set of three CIE illuminants of D65, F2 and F11.   
     
     
         19 . The optical device of  claim 18  wherein in a 1976 CIE LAB color space, a b-value of the double-pass white point of the optical device is at least 1 unit more than a b-value of the single-pass white point of the device, illuminated by one or more illuminants selected from the set of three CIE illuminants of D65, F2 and F11. 
     
     
         20 . The optical device of  claim 18  wherein the one or more optical elements further create a lightness-independent red-green color difference increase between −80% and 120%, excluding from −2% to 2%, for red and green Munsell colors seen through the optical device, illuminated by one or more illuminants selected from the set of three CIE illuminants of D65, F2 and F11.