Einzeltreffer — DigiBib

The present invention provides a composite structure comprising a translucent layer (1) having a light transmittance of 1 to 50%, an opaque layer (2) containing a translucent area (6), and a touch sensor area (5) that is at least partly arranged in or above or below the translucent area of layer (2). The present invention also provides a method of producing the composite structure. The composite structure can be used to replace conventional buttons in motor vehicles.

Titel:	MULTI-FUNCTIONAL COMPOSITE STRUCTURE AND PROCESS OF ITS PRODUCTION
Link:	Zum Volltext
Veröffentlichung:	2021
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20210206267 Publication Date: July 8, 2021 Appl. No: 17/056430 Application Filed: May 14, 2019 Assignees: TMG - Tecidos Plastificados e Outros Revestimentos Para a Indústria Autómovel, S.A. (S Cosme do Vale, V.N. Famalicão, PT) Claim: 1-11. (canceled) Claim: 12. A composite structure comprising: a translucent layer (1) having a light transmittance of 1 to 50%; an opaque layer (2) having a thickness of 1 to 100 μm and containing a translucent area (6), which is a void area surrounded by an opaque area of the opaque layer (2); and a touch sensor area (5) having a thickness of 0.5 to 30 μm, being in direct contact with the translucent layer (1) in the translucent area (6) of the opaque layer (2), and containing a touch sensor (11) fully arranged below the opaque area of the opaque layer (2), and a translucent area (12) at least partially arranged below the translucent area (6) of the opaque layer (2). Claim: 13. The composite structure as recited in claim 12, wherein the opaque layer (2) is a mask layer. Claim: 14. The composite structure as recited in claim 12, containing, in this order, the translucent layer (1), the opaque layer (2), and a sensor layer (3) comprising the touch sensor area (5) and at least electric conductors connected to the touch sensor area (5). Claim: 15. The composite structure as recited in claim 12, containing the translucent layer (1), the opaque layer (2), the touch sensor area (5), and a support layer (4) in this order, wherein the support layer (4) is translucent or at least partially translucent. Claim: 16. The composite structure as recited in claim 12, containing a light source (10) arranged in or attached to at least one of the layers selected from the opaque layer (2), the sensor layer (3), and the support layer (4). Claim: 17. The composite structure as recited in claim 12, comprising a soft layer that is contained in the translucent layer (1) below one or more compact layers (7) or that is arranged between the support layer (4) and the translucent sensor layer (3). Claim: 18. The composite structure as recited in claim 12, wherein the translucent layer (1) is the visible side of the composite structure and is selected to render the other elements of the composite structure invisible in the absence of light emitted from the light source (10) arranged in or at the rear side of the composite structure. Claim: 19. The composite structure as recited in claim 18, wherein the translucent elements are selected to allow and the opaque areas are selected to inhibit transmittance of visible light emitted from the light source (10) arranged in or at the rear side of the composite structure. Claim: 20. A process for producing a composite structure as recited in claim 1, comprising a step (i) of applying an opaque layer (2) containing a translucent area (6) on a translucent layer (1) and a subsequent step (ii) of applying a sensor layer (3) containing a touch sensor area (5) on the translucent layer (1). Claim: 21. The process as recited in claim 20, wherein the layers are applied by printing in steps (i) and (ii) and the opaque layer (2) containing the translucent area (6) is a mask layer. Claim: 22. The process as recited in claim 20, wherein steps (i) and (ii) are each a printing step selected from screen printing and ink jet printing. Claim: 23. The process as recited in claim 20, wherein step (i) is printing an opaque mask layer and step (ii) is printing a sensor layer (3). Claim: 24. The process as recited in claim 20, comprising a step (a) of applying an opaque layer (2) containing a translucent area on a sensor layer (3) and a step (b) of applying the modified sensor layer (3) obtained in step (a) on a translucent layer (1). Current International Class: 60; 60; 41; 41

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MULTI-FUNCTIONAL COMPOSITE STRUCTURE AND PROCESS OF ITS PRODUCTION