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US 8,801,207 B2Granted
Light directing sign substrate
Assignee3M Innovative Properties Company
InventorsMichael A. Meis, David G. Freier, Patrick R. Fleming, Ronald S. Steelman
Life of this patent
Estimating the term…
Abstract
A light directing substrate includes a back major surface and a front major surface opposing the back surface. The back major surface includes light reflection regions and light transmission regions. The front surface includes a plurality of lenticular lens elements. A graphic image disposed on or in the light directing substrate.
Claims14
A light directing substrate comprising:
- a back major surface comprising light reflection regions and light transmission regions;
- a front major surface opposing the back surface, the front surface comprising a plurality of lenticular lens elements;
- and
- a graphic image disposed on or adjacent to the back major surface of the light directing substrate.
1 more element
A light directing substrate comprising:
- a lens element comprising a front surface comprising a plurality of lenticular lens elements and an opposing back surface;
- a patterned reflector adjacent to the back surface, the patterned reflector comprising light reflection regions and light transmission regions in registration with the plurality of lenticular lens elements;
- and
- a graphic image disposed between the back surface and the patterned reflector.
1 more element
An illuminated sign comprising:
- an enclosure comprising a light reflection surface and a light emission surface;
- a light source disposed within the enclosure;
- a self-supporting light directing substrate forming at least a portion of the light emission surface, the light directing substrate comprising:
- a lens element comprising a front surface comprising a plurality of lenticular lens elements and an opposing back surface;
- a patterned reflector adjacent to the back surface, the forming a portion of an inner surface of the enclosure, the back surface comprising light reflection regions and light transmission regions, the light reflection regions or the light transmission regions form recesses in the back major surface;
- a front major surface opposing the back surface, the front surface comprising a plurality of lenticular lens elements;
- and
- a graphic image disposed on or adjacent the back surface in the light directing substrate.
5 more elements
Dependencies are inferred from the claim text.