Claims
- 1. A generally planar film construction comprising
a front surface and a back surface, the construction comprising a thickness between the front surface and the back surface; a plurality of perforations distributed over the construction, wherein each perforation of the plurality of perforations transmits light through the construction, and further wherein each perforation of the plurality of perforations comprises a uniform cross-sectional area throughout the thickness of the construction; opaque land area separating the plurality of perforations; and a layer of clear adhesive proximate the back surface of the construction; wherein the plurality of perforations occupy about 10% to about 35% of the front and back surfaces of the construction.
- 2. The construction of claim 1, wherein at least about 50% of normal incident light directed at the land area on the back surface of the construction is reflected.
- 3. The construction of claim 1, wherein at least about 80% of normal incident light directed at the land area on the back surface of the construction is reflected.
- 4. The construction of claim 1, wherein each perforation of the plurality of perforations comprises a uniform size and shape.
- 5. The construction of claim 1, wherein the plurality of perforations are distributed in a selected pattern over the construction.
- 6. The construction of claim 1, wherein the opaque land area comprises an absorptive material that provides opacity by absorption of light incident thereon.
- 7. The construction of claim 1, wherein the construction comprises a color layer attached to a white intermediate layer, wherein the color layer forms the front surface of the construction and the white intermediate layer forms the back surface of the construction.
- 8. The construction of claim 7, wherein the color layer comprises a black polymeric film attached to the white intermediate layer.
- 9. A sign face capable of having one appearance under light ambient lighting conditions, and another appearance when back lit and under dark ambient lighting conditions, the sign face comprising:
a substrate comprising a first surface and a second surface; a film construction attached to the first surface of the substrate, the construction comprising:
a front surface and a back surface, the construction comprising a thickness between the front surface and the back surface, wherein a color layer forms the front surface of the construction and a white intermediate layer forms the back surface of the construction; a plurality of perforations distributed over the construction, wherein each perforation of the plurality of perforations transmits light through the construction, and further wherein each perforation of the plurality of perforations comprises a uniform cross-sectional area throughout the thickness of the construction; and opaque land area separating the plurality of perforations; wherein the plurality of perforations occupy about 10% to about 35% of the front and back surfaces of the construction.
- 10. The sign face of claim 9, further comprising a diffuser attached to the second surface of the substrate.
- 11. The sign face of claim 9, wherein the substrate diffuses light transmitted therethrough.
- 12. The sign face of claim 9, wherein at least about 50% of normal incident light directed at the land area on the back surface of the construction is reflected.
- 13. The sign face of claim 9, wherein at least about 80% of normal incident light directed at the land area on the back surface of the construction is reflected.
- 14. The sign face of claim 9, wherein the film construction is adhesively attached to the substrate.
- 15. The sign face of claim 9, wherein the opaque land area comprises an absorptive material that provides opacity by absorption of light incident thereon.
- 16. The sign face of claim 9 further comprising a layer of clear adhesive proximate the back surface of the construction.
- 17. The sign face of claim 9, wherein the color layer comprises a black film attached to the white intermediate layer.
- 18. A backlit sign comprising:
an enclosure; a sign face capable of having one appearance under light ambient lighting conditions, and another appearance when backlit and under dark ambient lighting conditions, the sign face comprising:
a substrate comprising a first surface and a second surface facing the enclosure; a film construction attached to the first surface of the substrate, the construction comprising:
a front surface and a back surface, the construction comprising a thickness between the front surface and the back surface, wherein a color layer forms the front surface of the construction and a white intermediate layer forms the back surface of the construction; a plurality of perforations distributed over the construction, wherein each perforation of the plurality of perforations transmits light through the construction, and further wherein each perforation of the plurality of perforations comprises a uniform cross-sectional area throughout the thickness of the construction; and opaque land area separating the plurality of perforations; wherein the plurality of perforations occupy about 10% to about 35% of the front and back surfaces of the construction, and wherein at least about 50% of normal incident light directed at the land area of the back surface of the construction is reflected.
- 19. The sign of claim 18, further comprising a diffuser attached to the second surface of the substrate.
- 20. The sign of claim 18, wherein the substrate diffuses light transmitted therethrough.
- 21. The sign of claim 18, wherein at least about 80% of normal incident light directed at the land area on the back surface of the construction is reflected.
- 22. The sign of claim 18, wherein the film construction is adhesively attached to the substrate.
- 23. The sign of claim 22 wherein the film is attached with a clear adhesive.
- 24. The sign of claim 18, wherein the opaque land area comprises an absorptive material that provides opacity by absorption of light incident thereon.
- 25. The sign of claim 24, wherein the color layer comprises a black film attached to the white intermediate layer.
RELATED APPLICATION
[0001] This application is a continuation of U.S. patent application Ser. No. 09/835,725, filed Apr. 16, 2001, which is a continuation-in-part of U.S. patent application Ser. No. 09/663,507, filed Sep. 15, 2000.
Continuations (1)
|
Number |
Date |
Country |
Parent |
09835725 |
Apr 2001 |
US |
Child |
10868679 |
Jun 2004 |
US |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09663507 |
Sep 2000 |
US |
Child |
09835725 |
Apr 2001 |
US |