Abstract: A selective dyeing method is used for dyeing a substrate, selectively within a first exposed surface portion of said substrate. For this purpose, the substrate consists of a material that is impervious to a dye with the exception of the first portion of the exposed surface. In particular, the impervious material can form a layer which covers a base portion of the substrate in a second portion of the exposed surface. The substrate is heated such that the dye penetrates a pervious material which constitutes the first portion of the exposed surface. The method is particularly useful for eliminating light diffused by the walls of a multilayer structure which is supported by means of ocular glass.

Abstract: A method of controlling a programmable lens device comprising a programmable lens and an optical function controller, the programmable lens having an optical function and extending between at least one eye of the wearer and the real world scene when the device is used by the wearer, and the optical function controller being arranged to control the optical function of the programmable lens, the method comprising: —an optical function data receiving step during which optical function data relating to the optical function of the programmable lens is received by the optical function controller, —an activity data receiving step during which activity data relating to the activity of the wearer are received by the optical function controller, —an optical function modifying step during which the optical function of the programmable electronic lens device is modified by the optical function controller based on the optical function data and the activity data.

Abstract: Methods and systems (terminals, devices) for the generation, the retrieval and the display of computer-generated holographic images through a head-mounted display. The holographic images may be used as virtual retrievable tags for display in augmented reality.

Abstract: A method of controlling a programmable lens device comprising a programmable lens and an optical function controller, the programmable lens having an optical function and extending between at least one eye of the wearer and the real world scene when the device is used by the wearer, and the optical function controller being arranged to control the optical function of the programmable lens, the method comprising: —an optical function data receiving step during which optical function data relating to the optical function of the programmable lens is received by the optical function controller, —an activity data receiving step during which activity data relating to the activity of the wearer are received by the optical function controller, —an optical function modifying step during which the optical function of the programmable electronic lens device is modified by the optical function controller based on the optical function data and the activity data.

Abstract: A method of controlling a programmable lens device comprising a programmable lens and an optical function controller, the programmable lens having an optical function and extending between at least one eye of the wearer and the real world scene when the device is used by the wearer, and the optical function controller being arranged to control the optical function of the programmable lens, the method comprising: an optical function data receiving step during which optical function data relating to the optical function of the programmable lens is received by the optical function controller, an optical function modifying step during which the optical function of the programmable electronic lens device is modified by the optical function controller based on the optical function data.

Abstract: A selective dyeing method is used for dyeing a substrate, selectively within a first exposed surface portion of said substrate. For this purpose, the substrate consists of a material that is impervious to a dye with the exception of the first portion of the exposed surface. In particular, the impervious material can form a layer which covers a base portion of the substrate in a second portion of the exposed surface. The substrate is heated such that the dye penetrates a pervious material which constitutes the first portion of the exposed surface. The method is particularly useful for eliminating light diffused by the walls of a multilayer structure which is supported by means of ocular glass.

Abstract: The invention relates to a selective dyeing method used for dyeing a substrate (10), selectively within a first exposed surface portion (S1) of said substrate. For this purpose, the substrate consists of a material (2) that is impervious to a dye with the exception of the first portion of the exposed surface. In particular, the impervious material can form a layer which covers a base portion (3) of the substrate in a second portion (S2) of the exposed surface. The substrate is heated such that the dye (C) penetrates a pervious material (1) which constitutes the first portion of the exposed surface. The method is particularly useful for eliminating light diffused by the walls of a multilayer structure which is supported by means of ocular glass.

Abstract: Method for producing a plastic film containing a compound absorbing ultraviolet radiation comprising (a) depositing an alcoholic solution of polyvinyl butyral on a transparent plastic support film, (b) evaporating the solvent from the alcoholic solution of polyvinyl butyral so as to form a polyvinyl butyral layer on the transparent support film, (c) printing the polyvinyl butyral layer with an ink absorbing ultraviolet radiation (UV absorber) in a pattern, (d) heating the transparent plastic support film, coated with the printed polyvinyl butyral layer so as to enable at least part of the UV absorber to pass from the polyvinyl butyral layer to the plastic support film, (e) removing the polyvinyl butyral layer, preferably by washing with a suitable solvent. The application also relates to the film obtained by this method and the use of this film for producing a photochromic element with a spatially non-uniform behavior.

Abstract: The invention relates to an ink-jet printing deposition method including a compensation of deviations (?l1, ?l2, ?l3, . . . ) of ejection nozzles (1, 2, 3 . . . ) carried by a printing head (10). To this end, the deviations are measured first at the moment of the deposition, and then, during the deposition, each nozzle is activated when it shows a shift in relation to the point on a support where the substance is to be deposited, substantially opposite the deviation of said nozzle. Said depositions carried out in this way do not comprise accidental Moiré patterns.

Abstract: The invention relates to an ink-jet printing deposition method including a compensation of deviations (?l1, ?l2, ?l3, . . . ) of ejection nozzles (1, 2, 3 . . . ) carried by a printing head (10). To this end, the deviations are measured first at the moment of the deposition, and then, during the deposition, each nozzle is activated when it shows a shift in relation to the point on a support where the substance is to be deposited, substantially opposite the deviation of said nozzle. Said depositions carried out in this way do not comprise accidental Moiré patterns.

Abstract: Method for producing a plastic film containing a compound absorbing ultraviolet radiation comprising (a) depositing an alcoholic solution of polyvinyl butyral on a transparent plastic support film, (b) evaporating the solvent from the alcoholic solution of polyvinyl butyral so as to form a polyvinyl butyral layer on the transparent support film, (c) printing the polyvinyl butyral layer with an ink absorbing ultraviolet radiation (UV absorber) in a pattern, (d) heating the transparent plastic support film, coated with the printed polyvinyl butyral layer so as to enable at least part of the UV absorber to pass from the polyvinyl butyral layer to the plastic support film, (e) removing the polyvinyl butyral layer, preferably by washing with a suitable solvent. The application also relates to the film obtained by this method and the use of this film for producing a photochromic element with a spatially non-uniform behaviour.

Abstract: The invention relates to a selective dyeing method used for dyeing a substrate (10), selectively within a first exposed surface portion (S1) of said substrate. For this purpose, the substrate consists of a material (2) that is impervious to a dye with the exception of the first portion of the exposed surface. In particular, the impervious material can form a layer which covers a base portion (3) of the substrate in a second portion (S2) of the exposed surface. The substrate is heated such that the dye (C) penetrates a pervious material (1) which constitutes the first portion of the exposed surface. The method is particularly useful for eliminating light diffused by the walls of a multilayer structure which is supported by means of ocular glass.