ADHESIVE ARTICLES CONTAINING LIGHT SHIELDING FILM SUBSTRATES, METHOD OF MAKING THEREOF AND ARTICLES THEREFROM

• US 20150077873A1
• Filed: 09/16/2013
• Published: 03/19/2015
• Est. Priority Date: 09/16/2013
• Status: Abandoned Application

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Johnson, Harry E., Fitzer, Robert C., Omland, Jeffry T.
• Application Number:
  US14/027,351
• Publication Number:
  US 20150077873A1
• Time in Patent Office: Days
• US Class Current: 359/871
• CPC Class Codes: B32B 2307/41 Opaque
• CPC Class Codes: B32B 2307/416 Reflective
• CPC Class Codes: B32B 2405/00 Adhesive articles, e.g. adhesive tapes labels B32B2519/00
• CPC Class Codes: B32B 2457/20 Displays, e.g. liquid crystal displays, plasma displays
• CPC Class Codes: B32B 37/12 characterised by using adhesives
• CPC Class Codes: B32B 37/18 involving the assembly of discrete sheets or panels only
• CPC Class Codes: C09D 5/004 Reflecting paints; Signal paints
• CPC Class Codes: C09J 2203/318 for the production of liquid crystal displays
• CPC Class Codes: C09J 7/29 Laminated material metallised plastics C09J7/22
• CPC Class Codes: G02B 5/08 Mirrors vehicle mirrors involving special optical features B60R1/08
• CPC Class Codes: G02B 5/0833 comprising inorganic materials only
• CPC Class Codes: Y10T 156/10 Methods of surface bonding and/or assembly therefor

Abstract

Provided are adhesive articles and display components that include a film substrate and an adhesive. The film substrate includes a reflecting layer and an opaque layer. The adhesive may be disposed on at least one major surface of the reflecting layer and opaque layer. The inclusion of the film substrate in the adhesive articles enables the adhesive article to inhibit the transmission of visible light through the film substrate. The film substrate includes at least one cavity extending from the first major surface of the reflecting layer to the first major surface of the opaque layer, wherein the cavity volume is at least partially filled by the adhesive. The display component includes at least one display element adhered to an adhesive article via the adhesive. Methods of making adhesive articles and display components are also provided.

Claims

1. An adhesive article comprising:

a film substrate comprising;

a reflecting layer having first and second major surfaces, wherein incident electromagnetic radiation between the wavelengths of about 450 nm and about 750 nm reflecting from at least the first major surface of the reflecting layer has an average reflection of greater than about 50%; and

an opaque layer having first and second major surfaces, wherein the second major surface of the opaque layer is positioned adjacent to the second major surface of the reflecting layer; and

a first adhesive,

wherein the film substrate has an average transmission of less than about 20% of electromagnetic radiation between the wavelengths of about 450 nm and about 750 nm,

wherein the film substrate includes a cavity extending from the first major surface of the reflecting layer to the first major surface of the opaque layer, and

wherein a volume of the cavity is at least partially filled by the first adhesive.

2. The adhesive article of claim 1, wherein the first adhesive is disposed on at least a portion of one of the first major surface of the reflecting layer and the first major surface of the opaque layer.

3. The adhesive article of claim 2, wherein the opaque layer is an opaque film, an opaque coating or a combination thereof.

4. The adhesive article of claim 2, wherein the reflecting layer is a multi-layer optical film, a mirror film or a combination thereof.

5. The adhesive article of claim 4, wherein the reflecting layer is a multi-layer optical film and wherein the multilayer optical film has between about 2 layers and 10,000 layers.

6. The adhesive article of claim 2, wherein the film substrate has an average transmission of less than about 10% of electromagnetic radiation between the wavelengths of about 450 nm and about 750 nm.

7. The adhesive article of claim 2, wherein incident electromagnetic radiation between the wavelengths of about 450 nm and about 750 nm reflecting from at least the first major surface of the reflecting layer has an average reflection of greater than about 90%.

8. The adhesive article of claim 2, wherein the film substrate has a thickness of between about 5 microns and about 250 microns.

9. The adhesive article of claim 2, wherein the opaque layer has a thickness of between about 0.5 micron and about 200 microns.

10. The adhesive article of claim 2, wherein the first adhesive is an optically clear adhesive.

11. The adhesive of claim 2, wherein the first adhesive is selected from at least one of a pressure sensitive adhesive, a structural or elastomeric thermoset adhesive and a heat activated adhesive.

12. The adhesive article of claim 2, wherein the cavity volume is substantially filled by the first adhesive.

13. The adhesive article of claim 2, further comprising a second adhesive, wherein the second adhesive is disposed on at least a portion of one of the first major surface of the reflecting layer and the first major surface of the opaque layer.

14. The adhesive article of claim 13, wherein the cavity is at least partially filled by the second adhesive.

15. The adhesive article of claim 13, wherein the cavity is substantially filled by the first adhesive and the second adhesive.

16. A display component comprising the adhesive article of claim 2 having a first display element adhered to the first adhesive of the adhesive article.

17. The display component of claim 16, wherein the first display element is selected from one of a display module, camera module, protective layer, polarizer, optical filter, anti-reflective film, hard coat film, contrast enhancement film, privacy film and EMI/RF shielding layer.

18. The display component of claim 16, further comprising a second adhesive and a second display element adhered to the second adhesive, wherein the second adhesive is disposed on at least a portion of one of the first major surface of the reflecting layer and the first major surface of the opaque layer.

19. The display component of claim 18, wherein the second display element is selected from one of a display module, camera module, protective layer, polarizer, optical filter, anti-reflective film, hard coat film, contrast enhancement film, privacy film and EMI/RF shielding layer.

20. A method for producing a display component comprising:

providing the adhesive article of claim 2;

providing a first display element; and

adhering the first display element to the first adhesive of the adhesive article.