Optical device for enhancing human color vision
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 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 for assisting yellow color vision, said device comprising:
a substrate; and
one or more colorants applied at least one of onto and into the substrate, the one or more colorants and selected concentrations at least one of created and selected based on colorant-specific absorption spectra,
wherein the colorant-specific absorption and substrate cooperate to produce a static transmission spectrum with at least one stop band substantially centered between 550 nm and 605 nm, the transmissive optical device exhibits color shift control such that a cosmetic tint transmitted through the device has a lightness variation of less than 6 in CIE 1976 LUV color space when an illuminant changes from (1) CIE D65 to CIE F11, (2) CIE D65 to CIE D55, and (3) CIE D55 to CIE F11.
2. The device of claim 1 , wherein the optical device transmits a blue tint.
3. The device of claim 1 , wherein the optical device transmits a substantially neutral tint.
4. The device of claim 1 , wherein the optical device transmits a yellow tint.
5. The device of claim 1 , wherein the optical device exhibits color shift control such that a transmissive cosmetic tint has a white point shift of less than 0.1 in CIE 1976 Uniform Chromaticity Scales (UCS) diagram, when an illuminant changes from (1) CIE D65 to CIE F11, (2) CIE D65 to CIE D55, and (3) CIE D55 to CIE F11.
6. The device of claim 1 , further comprising another stop band substantially centered between 450 nm and 505 nm.
7. The device of claim 1 , further comprising another stop band substantially centered between 400 nm and 449 nm.
8. The device of claim 1 , wherein the device is at least one of a lens, glass, sunglass, spectacles, contact lens, optical filter, display, windshield, intraocular lens, and window.
9. The device of claim 1 , comprising a dye with peak absorbance at one or more of approximately 570 nm and approximately 575 nm.
10. The device of claim 1 , comprising a dye with peak absorbance at one or more of approximately 590 nm and approximately 595 nm.
11. The device of claim 1 , comprising a dye with peak absorbance at one or more of approximately 465 nm and approximately 470 nm.
12. The device of claim 1 , comprising a dye with peak absorbance at one or more of approximately 490 nm and approximately 500 nm.
13. The device of claim 1 , the one or more colorants comprise at least one derivative of cyanine, triarylmethane, coumarin, rhodamine, xanthene, oxazine, pyrene, fluorescein, metalated colorant and perylene.
14. The device of claim 1 , further comprising one or more thin film coatings.
15. A transmissive optical device for assisting yellow color vision, said device comprising:
a substrate; and
one or more colorants applied at least one of onto and into the substrate, the one or more colorants and selected concentrations at least one of created and selected based on colorant-specific absorption spectra,
wherein the colorant-specific absorption and substrate cooperate to produce a static transmission spectrum with at least one stop band substantially centered between 450 nm and 505 nm, the transmissive optical device exhibits color shift control such that a cosmetic tint transmitted through the device has a lightness variation of less than 6 in 1976 CIE LUV color space when an illuminant changes from (1) CIE D65 to CIE F11, (2) CIE D65 to CIE D55, and (3) CIE D55 to CIE F11.
16. The device of claim 15 , further comprising another stop band substantially centered between 550 nm and 605 nm.
17. The device of claim 15 , further comprising another stop band substantially centered between 400 nm and 449 nm.
18. The device of claim 15 , further comprising one or more thin film coatings.
19. A transmissive optical device for assisting yellow color vision, said device comprising:
a substrate; and
one or more thin film coatings applied at least one of onto and into the substrate, the one or more thin film coatings comprise materials creating thin film-specific reflectance spectra based on selected pluralities of materials each having their own respective refractive index,
wherein the thin film-specific reflectance and substrate cooperate to produce a static transmission spectrum with at least one stop band substantially centered between 550 nm and 605 nm, the transmissive optical device exhibits color shift control such that a cosmetic tint transmitted through the device has a lightness variation of less than 6 in 1976 CIE LUV color space when an illuminant changes from (1) CIE D65 to CIE F11, (2) CIE D65 to CIE D55, and (3) CIE D55 to CIE F11.
20. The device of claim 19 , further comprising one or more colorants applied at least one of into and onto the substrate.