# US 2026/0218007 A1 · Coated articles with an anti-fingerprint coating or surface-modifying layer and methods of making the same

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- Number: US 2026/0218007 A1
- Document ID: US20260218007A1
- Status: Published application
- Kind: A1
- Application number: 19/629,193
- Filed: 2026-03-26
- Published: 2026-07-30
- Earliest claimed: 2022-12-08
- Assignees: Corning Incorporated
- Applicants: Corning Incorporated
- Inventors: Kaveh Adib; Robert Alan Bellman; Philip Simon Brown; Theresa Chang; Christine Marie Mahoney Fahey; Dean Joseph Mastropietro; James Joseph Price; Shu Yuan
- Web page: https://patentgrep.com/patent/US20260218007A1

## CPC

- C03C 17/002: {for flat glass, e.g. float glass}
- G02B 1/18: Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films (G02B1/16 takes precedence)
- C03C 17/245: by deposition from the vapour phase
- C03C 17/25: by deposition from the liquid phase
- C03C 17/30: with silicon-containing compounds
- C03C 17/3417: {all coatings being oxide coatings}
- C03C 17/3435: {comprising a nitride, oxynitride, boronitride or carbonitride}
- C09D 5/006: {Anti-reflective coatings}
- C09D 5/1693: {as part of a multilayer system}
- C09D 183/04: Polysiloxanes
- C23C 14/10: Glass or silica
- C23C 14/221: {Ion beam deposition (C23C14/46, C23C14/48 take precedence)}
- C23C 14/5846: {Reactive treatment}
- C23C 18/1208: {Oxides, e.g. ceramics}
- C23C 18/1295: {with after-treatment of the deposited inorganic material}
- G02B 1/14: Protective coatings, e.g. hard coatings
- C03C 2217/213: SiO2
- C03C 2217/732: made of a single layer
- C03C 2217/76: Hydrophobic and oleophobic coatings
- C03C 2217/78: Coatings specially designed to be durable, e.g. scratch-resistant
- C03C 2218/11: from solutions or suspensions
- C03C 2218/151: by vacuum evaporation
- C03C 2218/32: After-treatment
- C03C: CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- 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)
- C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04)

## Abstract

The present invention provides a composition that contains component (A): a crosslinkable compound and component (B): a non-fluorine liquid-repellent compound, and that satisfies the formula: Pb−Pc>0 [in the formula, Pb is the value of the ratio of polar components in the surface free energy at a layer formed from the non-fluorine liquid-repellent compound, and Pc is the value of the ratio of polar components in the surface free energy at a layer formed from the composition].

## Claims

### Claim 1

A coated article comprising:
a substrate comprising a first major surface;
a partial silica-like network disposed on the first major surface, the partial silica network having:
a molar ratio of hydrogen to silicon of about 0.2 or more as determined by secondary-ion mass spectroscopy (SIMS); and
a hydroxyl ratio of about 0.005 or more as determined using IR spectroscopy.

### Claim 2 (depends on 1)

The coated article of claim 1, wherein the partial silica network has a hydroxyl ratio from about 0.005 to about 0.07 as determined using IR spectroscopy.

### Claim 3 (depends on 1)

The coated article of claim 1, wherein the partial silica network has a molar ratio of hydrogen to silicon from about 0.2 to about 0.45 as determined by secondary-ion mass spectroscopy (SIMS).

### Claim 4 (depends on 1)

The coated article of claim 1, wherein the substrate comprises a glass-based material, a glass-ceramic material, or a ceramic-based material.

### Claim 5 (depends on 1)

The coated article of claim 1, wherein the partial silica-like network is part of an anti-fingerprint coating comprising an exterior surface of the coated article, the anti-fingerprint coating comprising a thickness from about 10 nanometers to about 600 nanometers, the anti-fingerprint coating is fluorine-free, and the anti-fingerprint coating further comprises an alkyl silane at the exterior surface.

### Claim 6 (depends on 5)

The coated article of claim 5, wherein the alkyl silane comprises a C4-C34 alkyl group.

### Claim 7 (depends on 5)

The coated article of claim 5, wherein the anti-fingerprint coating exhibits a water contact angle of about 100° or more.

### Claim 8 (depends on 5)

The coated article of claim 5, wherein the anti-fingerprint coating exhibits a water contact angle of about 110° or more.

### Claim 9 (depends on 5)

The coated article of claim 5, wherein the anti-fingerprint coating exhibits an abraded water contact angle of about 90° after being abraded for 2,000 cycles in a Steel Wool Abrasion Test.

### Claim 10 (depends on 5)

The coated article of claim 5, wherein the anti-fingerprint coating exhibits an abraded water contact angle of about 90° after being abraded for 3,500 cycles in a Steel Wool Abrasion Test.

### Claim 11 (depends on 5)

The coated article of claim 5, wherein the anti-fingerprint coating exhibits a cheesecloth-abraded water contact angle of about 90° or more after being subjected to 200,000 cycles in a Cheesecloth Abrasion Test.

### Claim 12 (depends on 5)

The coated article of claim 5, wherein the anti-fingerprint coating exhibits a rubber abrasion water contact angle of about 100° or more after being subjected to 5,000 cycles in a Rubber Abrasion Test.

### Claim 13 (depends on 5)

The coated article of claim 5, wherein the exterior surface exhibits a coefficient of friction of 0.25 or less.

### Claim 14 (depends on 5)

The coated article of claim 5, further comprising a gradient coating comprising a refractive index gradient positioned between the anti-fingerprint coating and the substrate.

### Claim 15 (depends on 5)

The coated article of claim 5, further comprising an optical stack positioned between the anti-fingerprint coating and the substrate, wherein the optical stack comprises an anti-reflective coating, a band-pass filter coating, an edge neutral mirror, a beam splitter coating, a multi-layer high-reflectance coating, or an edge filter coating.

### Claim 16 (depends on 1)

The coated article of claim 1, wherein the partial silica-like network is part of a surface-modifying layer comprising an exterior surface of the coated article, the surface-modifying layer comprising a thickness from about 10 nanometers to about 600 nanometers.

### Claim 17 (depends on 16)

The coated article of claim 16, wherein the surface-modifying layer is an easy-to-clean coating or an anti-fingerprint coating.

### Claim 18 (depends on 16)

The coated article of claim 16, wherein the surface-modifying layer is a fluorinated easy-to-clean coating or a fluorinated anti-fingerprint coating.

### Claim 19 (depends on 16)

The coated article of claim 16, wherein the surface-modifying layer is a fluorine-free easy-to-clean coating or a fluorine-free anti-fingerprint coating.

### Claim 20 (depends on 16)

The coated article of claim 16, wherein the surface-modifying layer further comprises an alkyl silane at the exterior surface.

### Claim 21

A coated article comprising:
a substrate comprising a first major surface;
a partial silica-like network disposed on the first major surface, the partial silica network having:
a molar ratio of hydrogen to silicon from about 0.2 to about 0.45 as determined by secondary-ion mass spectroscopy (SIMS); and
a hydroxyl ratio from about 0.005 to about 0.07 as determined using IR spectroscopy;
wherein the partial silica-like network is part of surface-modifying layer comprising an exterior surface of the coated article, the surface-modifying layer comprising a thickness from about 10 nanometers to about 600 nanometers, and the surface-modifying layer further comprises an alkyl silane at the exterior surface, and wherein the surface-modifying layer exhibits a water contact angle of about 100° or more.

### Claim 22 (depends on 21)

The coated article of claim 21, wherein the surface-modifying layer is fluorine-free.

### Claim 23 (depends on 21)

The coated article of claim 21, wherein the alkyl silane comprises a C4-C34 alkyl group.

### Claim 24 (depends on 21)

The coated article of claim 21, wherein the surface-modifying layer comprises fluorine.

### Claim 25 (depends on 21)

The coated article of claim 21, wherein the surface-modifying layer exhibits one or more of:
an abraded water contact angle of about 90° after being abraded for 2,000 cycles in a Steel Wool Abrasion Test;
a cheesecloth-abraded water contact angle of about 90° or more after being subjected to 200,000 cycles in a Cheesecloth Abrasion Test; or
a rubber abrasion water contact angle of about 100° or more after being subjected to 5,000 cycles in a Rubber Abrasion Test.

### Claim 26 (depends on 21)

The coated article of claim 21, wherein the exterior surface exhibits a coefficient of friction of 0.25 or less.

### Claim 27

A coated article comprising:
a substrate comprising a first major surface;
a partial silica-like network disposed on the first major surface, the partial silica network having:
a molar ratio of hydrogen to silicon from about 0.2 to about 0.45 as determined by secondary-ion mass spectroscopy (SIMS);
a hydroxyl ratio from about 0.005 to about 0.07 as determined using IR spectroscopy; and
wherein:
the partial silica-like network is part of a surface-modifying layer comprising an exterior surface of the coated article, the surface-modifying layer comprising a thickness from about 10 nanometers to about 600 nanometers, the surface-modifying layer is fluorine-free, and the surface-modifying layer further comprises an alkyl silane at the exterior surface;
the surface-modifying layer exhibits an abraded water contact angle of about 90° after being abraded for 2,000 cycles in a Steel Wool Abrasion Test;
the surface-modifying layer comprises silicon atoms, oxygen atoms, carbon atoms, and hydrogen atoms; and
the exterior surface exhibits a coefficient of friction of 0.25 or less.

### Claim 28 (depends on 27)

The coated article of claim 27, wherein the alkyl silane comprises a C4-C34 alkyl group.

### Claim 29 (depends on 27)

The coated article of claim 27, wherein the surface-modifying layer exhibits a water contact angle of about 100° or more.

### Claim 30

A method of forming a coated article comprising:
disposing a solution over a first major surface of a substrate, the solution comprising a polysilazane or a polyhedral oligomeric silsesquioxane;
heating the solution at a temperature from about 150° C. to about 400° C. for a period of time from about 5 minutes to about 120 minutes; and
reacting material at the first major surface of the substrate with an alkyl silane to form an surface-modifying layer, the alkyl silane comprising 4 or more carbons.
