Tactotek Oy

Simo Koivikko

Samuli Yrjänä

Mikko Heikkinen

Antti Keränen

Jarmo Sääski

Tomi Simula

Vinski Bräysy

Mikko Sippari

Paavo Niskala

Hasse Sinivaara

Pälvi Apilo

Pasi Korhonen

Tapio Rautio

Juha-Matti Hintikka

Tero Heikkinen

Janne Asikkala

Heikki Tuovinen

Ville Wallenius

Tero Rajaniemi

Outi Rusanen

Johanna Juvani

Taneli Salmi

Suvi Kela

Olimpia Migliore

Juha Sepponen

Sami Torvinen

Ilpo Hänninen

Miikka Kärnä

An integrated optically functional multilayer structure including a flexible, substrate film arranged with a circuit design including electrical conductors on a first side of the substrate film; at least one light source provided upon the first side of the substrate film and connected to the circuit design the at least one light source internally illuminates at least a portion of the structure for external perception; and an optically transmissive layer-produced upon the first side of the substrate film and the at least one light source said optically transmissive layer at least partially covering the substrate film and embedding the at least one light source; wherein the substrate film defines holes therethrough and upon one or more of them the optically transmissive layer defines an outcoupling surface, configured to redirect and reflect, incident light emitted by light sources of the at least one light source.

Optically functional multilayer structure 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 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.

An integrated optically functional multilayer structure including a flexible, substrate film arranged with a circuit design including electrical conductors on a first side of the substrate film; at least one light source provided upon the first side of the substrate film and connected to the circuit design the at least one light source internally illuminates at least a portion of the structure for external perception; and an optically transmissive layer produced upon the first side of the substrate film and the at least one light source said optically transmissive layer at least partially covering the substrate film and embedding the at least one light source; wherein the substrate film defines holes therethrough and upon one or more of them the optically transmissive layer defines an outcoupling surface, configured to redirect and reflect, incident light emitted by light sources of the at least one light source.

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.

Growing community of inventors

Oulunsalo, Finland

Simo Koivikko