Tactotek Oy

Teknologian Tutkimuskeskus Vtt

Antti Keränen

Mikko Heikkinen

Jarmo Sääski

Paavo Niskala

Mikko Sippari

Tomi Simula

Vinski Bräysy

Pasi Raappana

Hasse Sinivaara

Pälvi Apilo

Jarkko Torvinen

Pasi Korhonen

Heikki Tuovinen

Ville Wallenius

Juha-Matti Hintikka

Tero Heikkinen

Janne Asikkala

Tero Rajaniemi

Tapio Rautio

Samuli Yrjänä

Simo Koivikko

Outi Rusanen

Johanna Juvani

Taneli Salmi

Suvi Kela

Olimpia Migliore

Juha Sepponen

Ilpo Hänninen

Jarmo Saaski

Ronald H Haag

Sami Torvinen

Topi Wuori

Minna Pirkonen

Miikka Kärnä

Tuomas Heikkilä

Janne Aikio

Tuomas Nieminen

Johannes Soutukorva

Jari Lihavainen

Anne Isohätälä

Juhani Harvela

Kari Matias Severinkangas

Tuukka Junkkari

Tuomas Heikkila

Kari Rönkä

An integrated optically functional multilayer structure includes a flexible, substrate film arranged with a circuit design including at least a number of electrical conductors preferably additively printed on the substrate film; a light source provided upon a first side of the substrate film to internally illuminate at least portion of the structure for external perception; an optically transmissive plastic layer produced upon the first side of the substrate film, said plastic layer at least laterally surrounding, the light source, the substrate film at least having a similar or lower refractive index therewith; and a reflector design comprising at least one material layer, said reflector design being configured to reflect, the light emitted by the light source and incident upon the reflector design.

Optically functional multilayer structure and related method of manufacture

An interface assembly includes a functional multilayer structure that includes a first substrate, a molded material layer on a first side of the first substrate, and a sensor arrangement including at least one sensor, wherein the sensor arrangement is arranged at least partly embedded into the molded material layer. The assembly further includes a movable member being movable relative to the functional multilayer structure, wherein the movable member includes at least one detection portion, and the sensor arrangement and the at least one detection portion are mutually arranged so that a position or a change of position of the movable member is detectable by the sensor arrangement based on a position or a change of position of the at least one detection portion relative to the sensor arrangement.

Interface assembly and method for manufacturing interface assembly

An interface assembly includes a functional multilayer structure that includes a first substrate a molded material layer on a first side of the first substrate, and a sensor arrangement including at least one sensor, wherein the sensor arrangement is arranged at least partly embedded into the molded material layer. The assembly further includes a movable member being movable relative to the functional multilayer structure, wherein the movable member includes at least one detection portion, and the sensor arrangement and the at least one detection portion are mutually arranged so that a position or a change of position of the movable member is detectable by the sensor arrangement based on a position or a change of position of the at least one detection portion relative to the sensor arrangement.

An electronic device includes a substrate film having a first side and a second side, and a number of light sources configured to emit light. A plastic lightguide layer is molded onto the first side of the substrate film. The plastic lightguide layer being of optically at least translucent material to transmit light. The device also includes a masking layer provided on the outer surface of the plastic lightguide layer. The masking layer defines a window for letting the light emitted by the embedded light sources to pass through the masking layer towards the environment.

Illuminated multilayer structure with embedded light sources

An integrated optically functional multilayer structure includes a flexible, substrate film arranged with a circuit design including at least a number of electrical conductors on the substrate film; and a plurality of top-emitting, bottom-installed light sources provided upon a first side of the substrate film to internally illuminate at least portion of the structure for external perception via associated outcoupling areas, wherein for each light source of the plurality of light sources there is optically transmissive plastic layer, produced upon the first side of the substrate film, said plastic layer at least laterally surrounding the light source, the substrate film at least having a similar or lower refractive index therewith; and reflector design including at least one material layer, provided at least upon the light source and configured to reflect the light emitted by the light source and incident upon the reflective layer towards the plastic layer.

Optically functional multilayer structure suitable for large area illumination and related method of manufacture

Optically functionally multilayer structure suitable for large area illumination and related method of manufacture

An integrated optically functional multilayer structure includes a flexible, substrate film arranged with a circuit design including at least a number of electrical conductors on the substrate film; and a plurality of top-emitting, bottom-installed light sources provided upon a first side of the substrate film to internally illuminate at least portion of the structure for external perception via associated outcoupling areas, wherein for each light source of the plurality of light sources there is optically transmissive plastic layer, produced upon the first side of the substrate film, said plastic layer at least laterally surrounding the light source; the substrate film at least having a similar or lower refractive index therewith; and reflector design including at least one material layer, provided at least upon the light source and configured to reflect the light emitted by the light source and incident upon the reflective layer towards the plastic layer.

A method for manufacturing an electromechanical structure, including producing conductors on a flat film; estimating a strain a plurality of locations of the flat film will undergo during formation thereof into a three-dimensional film; attaching electronic elements on the flat film at selected locations of the plurality of locations of the flat film, wherein the estimated strain of the selected locations of the plurality of locations is less than the estimated strain in other locations of the plurality of locations; forming the flat film into the three-dimensional film; and injection molding material on the three-dimensional film.

Method for manufacturing an electromechanical structure and an arrangement for carrying out the method

A system for manufacturing an electromechanical structure includes first, second, and third entities. The first entity produces conductors on a planar, flat film. The second entity attaches electronic elements at locations on the film in relation to a three-dimensional shape of the film. The electronic elements include a number of surface mount technology components. The locations of the electronic elements are selected to omit substantial deformation during subsequent forming of the film into the three-dimensional shape. The third entity forms the film into the three-dimensional shape when the electronic elements are supported on the film. The third entity includes one or more machines that are continuously roll-fed, automatically in-precut-pieces-fed, computer numerical control, thermoforming, vacuum former, pressure forming, or blow molding. The first, second, and third entities are arranged relative to one another to manufacture the electromechanical structure.

System for manufacturing an electromechanical structure

A method for manufacturing an integrated multilayer structure includes obtaining a substrate film having first and second sides, providing at least on the first side one or more first functional features, arranging at least one layer upon at least the first side; removing, at least a portion of the substrate film so that space is released in the structure wherein a detachment-enhancing feature provided to the substrate film is configured to facilitate the removal of the at least a portion of the substrate film such that the adjacent remaining film material, if any, the arranged layer and the one or more first functional features are preserved and preferably remain substantially intact; and providing at least one second functional feature into the space released for use so that the at least one second functional feature operatively connects with at least one of the one or more first functional features.

Method for manufacturing a multilayer structure with embedded functionalities and related multilayer structure

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Oulunsalo, Finland

Antti Keränen