A method of producing a spectacle lens includes providing a substrate having a front surface and a back surface and coating or covering at least one of the front surface or the back surface of the substrate, in full or in part, with a layer. The surface topography of the substrate surface is changed by bringing the surface into contact with a medium and the medium is removed. A product made according to the method and including (i) a spectacle lens or (ii) a representation of the spectacle lens in the form of computer-readable data present on a data medium or (iii) a data medium including a virtual representation of the spectacle lens in the form of computer-readable data or (iv) a representation of the spectacle lens in the form of a computer-readable data signal, is also disclosed.

The present invention relates to an optical article that includes, a mark that is positioned on and/or within the first surface of an optical substrate thereof, and a photochromic layer that includes at least one photochromic compound and which resides over at least a portion of the first surface. The mark includes a photoluminescent material. The first surface of the optical substrate is exposed to a source of actinic radiation, the photochromic compound has an activation time after exposure to the source of actinic radiation, and the mark luminesces and is visually observable during at least a portion of the activation time. The present invention also relates to: an optical article that includes, a mark that is positioned within the first surface of an optical substrate thereof, and at least one photochromic compound that is also positioned within the first surface; and methods of making such optical articles.

The invention relates to a process for marking an optical eyeglass (1) equipped with a surface coating (5) comprising the following steps: A step of detreating by means of a laser beam, so as to locally detreat an area of the optical eyeglass by removing the surface coating (5) until a lower layer (7) of the eyeglass (1) is reached, which layer is located under said coating (5) and made of a material that is different from the surface coating (5), thus forming at least one the detreated zone (6, 11), A step of depositing an ink (9) in the detreated zone (6, 11) in order to form at least one inked pattern (4), so that the ink (9) adheres to the lower layer (7) present at the bottom (10) of the detreated zone (6, 11).

A method for producing a coating on a surface of a coated or uncoated spectacle lens includes: applying a masking on a partial region of the surface of the coated or uncoated spectacle lens, applying at least one layer on the surface, and removing the masking and the at least one layer applied on the masking from the partial region of the surface. The masking is applied with a matrix printing method. A spectacle lens produced by the method is also disclosed.

Provided are a display device and a method of manufacturing a display device. The display device includes a window; a decorative print pattern disposed on the window; a shielding layer disposed on the decorative print pattern; a transparent printing layer disposed on the shielding layer; and an infrared printing layer disposed on the transparent printing layer and not in contact with the decorative print pattern, wherein the decorative print pattern and the shielding layer include a first opening exposing the window and the transparent printing layer and the infrared printing layer overlap the first opening.

A computer-implemented method for determining printing parameter values of an inkjet printing device for printing a pattern on a surface of a spectacle lens substrate is provided. The inkjet printing device includes a printhead with a plurality of printing nozzles. The method includes: grouping the plurality of printing nozzles into at least two printing nozzle groups, and individually determining a printing parameter value for at least one adjustable printing parameter of each printing nozzle group. In addition, a data processing system, a computer program, a non-transitory computer-readable storage medium, a method for inkjet printing, an inkjet printing device, and a spectacle lens substrate with a pattern printed on a surface of the spectacle lens substrate are provided.

A method for tinting a spectacle lens substrate includes providing a spectacle lens substrate made from a polymeric lens material, providing a composition having a polymeric carrier material, applying a pattern of the composition on a surface of the spectacle lens substrate, and heating the spectacle lens substrate to allow for diffusion of a dye substance between the carrier material and the lens material. Moreover, a composition for in-substrate tinting of a polymeric spectacle lens substrate and a spectacle lens substrate having a polymeric lens material which exhibits a pattern of a composition having a polymeric carrier material applied on a surface of the spectacle lens substrate are presented.

A printing intaglio (100A), (100B) is a printing intaglio for use in intaglio printing, the printing intaglio having a surface which has a plurality of first recessed portions (12) that form a pattern to be printed, wherein at least one of the plurality of first recessed portions has a plurality of minute recessed portions (16p) inside the first recessed portion, and when viewed in a direction normal to the surface of the printing intaglio, a two-dimensional size of the plurality of minute recessed portions is not less than 10 nm and less than 500 nm.

A method for producing an optical device, preferably a security device, including the steps of: forming a planar relief structure on a substantially planar first surface of a substrate, preferably a transparent substrate, the planar relief structure having a first alignment direction and including a plurality of relief structure elements each having the same height; and applying a liquid crystal polymer (LCP) layer onto the planar relief structure such that the LCP layer is aligned with the relief structure, wherein the LCP layer includes at least one or more first LCP regions having a first height and one or more second LCP regions having a second height above the substantially planar first surface of the substrate, wherein the second height is different to the first height, and an optical device formed by such a method.

A light emitting device includes a semiconductor nanocrystal in a layer. The layer can be a monolayer of semiconductor nanocrystals. The monolayer can form a pattern on a substrate.