# US 2021/0278577 A1 · Optical coating for organic surface treatments > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0278577 A1 - Document ID: US20210278577A1 - Status: Published application - Kind: A1 - Application number: 16/810,212 - Filed: 2020-03-05 - Published: 2021-09-09 - Earliest claimed: 2020-03-05 - Assignees: Viavi Solutions Inc. - Applicants: Viavi Solutions Inc. - Inventors: Jaroslaw ZIEBA; Markus BILGER; Marius GRIGONIS; Andrew David CLARK - Web page: https://patentgrep.com/patent/US20210278577A1 ## CPC - G02B 5/208: {for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation} - C09D 5/00: Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced {(electrically insulating plastics, resins or waxes H01B3/30)}; Filling pastes - C09D 5/006: {Anti-reflective coatings} - C09D 5/32: Radiation-absorbing paints {(protection against X-, gamma- or corpuscular radiation G21F)} - C09D 7/61: inorganic - G02B 1/11: Anti-reflection coatings - G02B 1/115: Multilayers - G02B 1/18: Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films (G02B1/16 takes precedence) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) ## Abstract An optical device including a substrate; an optical coating including materials that absorb light in an ultraviolet wavelength and reduces an amount of the light reflected from the optical coating; and an organic functional coating is disclosed. A method of making an optical device a method of increasing durability to ultraviolet light exposure in an optical device are also disclosed. ## Claims ### Claim 1 An optical device comprising: a substrate; an optical coating including materials that absorb light in an ultraviolet wavelength and reduce an amount of the ultraviolet light reflected from the optical coating; and an organic functional coating. ### Claim 2 (depends on 1) The optical device of claim 1, wherein the materials that absorb light include at least one material chosen from hydrogenated silicon, amorphous silicon, germanium, tantalum, niobium, TiO2, Nb2O5, Ta2O5, and ITO. ### Claim 3 (depends on 1) The optical device of claim 1, wherein the optical coating is present on the substrate. ### Claim 4 (depends on 1) The optical device of claim 1, wherein the organic functional coating is present on the optical coating. ### Claim 5 (depends on 1) The optical device of claim 1, wherein the materials that absorb light have a low absorption coefficient in the ultraviolet wavelength. ### Claim 6 (depends on 1) The optical device of claim 1, wherein the materials that absorb light have a chemical structure that dissipates energy absorbed in the ultraviolet wavelength. ### Claim 7 (depends on 1) The optical device of claim 1, wherein the organic functional coating provides a function chosen from hydrophilicity, hydrophobicity, oleophobicity, anti-smudge, anti-bacterial, anti-fungal, and anti-soiling. ### Claim 8 (depends on 1) The optical device of claim 1, wherein the organic functional coating is more durable against UV degradation because of the optical coating. ### Claim 9 (depends on 1) The optical device of claim 1, wherein the optical coating is an anti-reflection coating and the organic functional coating is an anti-smudge coating. ### Claim 10 (depends on 1) The optical device of claim 1, wherein the organic functional coating includes materials that transmit light in the ultraviolet wavelength. ### Claim 11 (depends on 1) The optical device of claim 1, wherein the optical coating is a coating chosen from anti-reflection, longwave pass, shortwave pass, bandpass, notch, multiband, order suppression, non-polarizing beamsplitter, and polarizing beamsplitter. ### Claim 12 (depends on 1) The optical device of claim 1, wherein the optical coating is a dielectric stack of materials that absorb light in the ultraviolet wavelength. ### Claim 13 (depends on 12) The optical device of claim 12, wherein the dielectric stack includes alternating layers of different metal oxides, wherein each metal oxide absorbs light in the ultraviolet wavelength. ### Claim 14 (depends on 1) The optical device of claim 1, wherein the material that absorbs light is a high refractive index material. ### Claim 15 A method of making an optical device, comprising: applying onto a substrate an optical coating including materials that absorb light in an ultraviolet wavelength and reduces an amount of the light reflected from the optical coating; and applying onto the optical coating an organic functional coating. ### Claim 16 (depends on 15) The method of claim 15 wherein the organic functional coating is exposed to an environment. ### Claim 17 A method of increasing durability to ultraviolet light exposure in an optical device, comprising: applying onto a substrate an optical coating including materials that absorb light in an ultraviolet wavelength and reduces an amount of the light reflected from the optical coating; and applying onto the optical coating an organic functional coating to form the optical device, wherein the optical device exhibits increased durability as compared to an optical device that does not include materials that absorb light in an ultraviolet wavelength and reduces an amount of the light reflected from the optical coating. ### Claim 18 (depends on 17) The method of claim 17, wherein the optical device exhibits increased abrasion resistance as compared to an optical device that does not include materials that absorb light in an ultraviolet wavelength. ### Claim 19 (depends on 17) The method of claim 17, wherein the materials that absorb light include at least one material chosen from hydrogenated silicon, amorphous silicon, germanium, tantalum, niobium, TiO2, Nb2O5, Ta2O5, and ITO. ### Claim 20 (depends on 1) An optical system comprising the optical device of claim 1; and another device.