Provided is a matte gray functional building material for windows, comprising: a transparent glass substrate; and a low-emissivity coating formed on one surface of the transparent glass substrate.

A material includes a transparent substrate coated with a stack including at least one silver-based functional metallic layer and at least two dielectric coatings, each dielectric coating including at least one dielectric layer, so that each functional metallic layer is positioned between two dielectric coatings, wherein the stack includes two blocking layers located in contact, below and above, with a silver-based functional metallic layer, the blocking layers being chosen from metallic layers based on a metal or a metal alloy of one or more elements chosen from titanium, nickel, chromium, tantalum, zirconium and niobium, and a titanium nitride layer located in contact with a blocking layer and separated from the silver-based functional layer by the blocking layer.

A method for obtaining a laminated curved glazing, particularly for a motor vehicle windscreen or roof. The method includes the deposition (b) of an enamel layer on a stack of thin layers deposited on a first glass sheet as well as the deposition (c), at least on the enamel layer, of refractory particles based on oxides, of metals or carbides, at least one dimension of which is larger than 30 μm. The stack of thin layers is completely dissolved by the enamel layer at the end of a bending procedure (d) carried out before laminating (e) the first glass sheet with an additional glass sheet by a lamination interlayer.

A projection assembly for a head-up display (HUD), includes a composite pane with an electrically conductive coating, and a projector. The radiation of the projector is predominantly p-polarized. The electrically conductive coating has a first surface region within a HUD region and a second surface region outside the HUD region. The electrically conductive coating has at least one sub-region within the first surface region. The electrically conductive coating in the first surface section within the HUD region can be obtained from the electrically conductive coating in the second surface section using a subtractive method.

A spectacle lens having at least one antibacterial and/or antiviral coating and a method for manufacturing the same are disclosed. The spectacle lens includes (i) an anti-reflective coating or (ii) a mirror coating. The (i) anti-reflective coating or the (ii) mirror coating are made from a stack or a plurality of stack layers. The stack has an outermost stack layer containing silver (Ag). The outermost stack layer further contains a SiO.sub.2-matrix having a plurality of separated silver (Ag) atoms and/or a plurality of silver (Ag) clusters. Each of the silver (Ag) clusters has a maximum expansion of less than 20 nm.

A heat-emitting transparent plate includes a heat-emitting region that is transparent to visible light and is a region that emits heat by absorbing infrared rays. The heat-emitting region includes a meta-surface, and the meta-surface includes a plurality of meta-patterns to absorb infrared rays. A method of manufacturing a heat-emitting transparent plate includes forming a material layer on a transparent substrate and forming a plurality of patterns on the transparent substrate by patterning the material layer. The plurality of patterns include a material that is transparent to visible light and that emits heat by absorbing infrared rays, and a pitch of the plurality of patterns is less than a wavelength of the infrared rays. A heat-emitting device includes the heat-emitting transparent plate and a light source.

A method of manufacturing a glass article comprises: (A) forming a first layer of catalyst metal on a glass substrate; (B) heating the glass substrate; (C) forming a second layer of an alloy of a first metal and a second metal on the first layer; (D) heating the glass substrate, thereby forming a glass article comprising: (i) the glass substrate; (ii) an oxide of the first metal covalently bonded thereto; and (iii) a metallic region bonded to the oxide, the metallic region comprising the catalyst, first, and second metals. In embodiments, the method further comprises (E) forming a third layer of a primary metal on the metallic region; and (F) heating the glass article thereby forming the glass article comprising: (i) the oxide of the first metal covalently bonded the glass substrate; and (ii) a new metallic region bonded to the oxide comprising the catalyst, first, second, and primary metals.

The invention refers to a process to produce a scratch resistant functional product comprising the following steps: providing a flat glass substrate having a surface to be coated and depositing a multilayered coating on the surface in corresponding sequence coming from the surface: a functional layer stack (11, 11′, 11″) comprising at least one metallic silver inclusive layer (2, 4) sandwiched between two dielectric layers (1, 3, 5); a transition metal (TM) inclusive layer (6) comprising carbon in a molar amount, which at least in the region of a final surface of the TM inclusive layer equals at least the molar metal amount of the TM inclusive layer in the respective region; a hydrogen containing DLC (DLCH) layer (7) in direct contact to the final surface of the TM inclusive layer as an outermost layer of the coating.

An article can include a non-light-emitting, variable transmission device and a coating disposed between the non-light-emitting, variable transmission device and an ambient outside the article. In an embodiment, the article has a ΔE of at most 6.5. In another embodiment, the coating includes a plurality of layers including a first layer having a refractive index of at least 2.2 and a thickness of at least 10 nm. The coating can be used to help reduce color differences seen when the non-light-transmitting, variable transmission device is taken to different transmission states. In a particular embodiment, the coating can provide a good balance between color difference and luminous transmission.

A method of manufacturing a glass article comprises: (A) forming a first layer of catalyst metal on a glass substrate; (B) heating the glass substrate; (C) forming a second layer of an alloy of a first metal and a second metal on the first layer; (D) heating the glass substrate, thereby forming a glass article comprising: (i) the glass substrate; (ii) an oxide of the first metal covalently bonded thereto; and (iii) a metallic region bonded to the oxide, the metallic region comprising the catalyst, first, and second metals. In embodiments, the method further comprises (E) forming a third layer of a primary metal on the metallic region; and (F) heating the glass article thereby forming the glass article comprising: (i) the oxide of the first metal covalently bonded the glass substrate; and (ii) a new metallic region bonded to the oxide comprising the catalyst, first, second, and primary metals.