Back to results
US 2008/0290784 A1Published application
Display panel
AssigneePPG Industries Ohio, Inc.
InventorsMehran Arbab, Adam D. Polcyn, Deirdre D. Ragan, Michael Buchanan
Life of this patent
Estimating the term…
Abstract
The present invention discloses a display panel 10 having a substrate 12 with one or more surfaces and one or more features 30 within the substrate 12. When electromagnetic radiation is introduced at or directed toward one or more surfaces of the substrate 12, the features 30 redirect the electromagnetic radiation in one or more predetermined directions.
Claims18
A device comprising:
- a substrate;
- and
- at least one radiation-directing feature within the substrate, the feature configured to direct electromagnetic radiation in a predetermined direction.
A display device, comprising:
- a substrate having a surface;
- a plurality of radiation-directing features in the substrate;
- and
- at least one electromagnetic radiation source configured to introduce electromagnetic radiation into the substrate,
- wherein the features are configured to direct at least a portion of the electromagnetic radiation introduced into the substrate by the at least one electromagnetic radiation source toward the surface.
2 more elements
A method of making a display panel, comprising:
- focusing a beam of radiation inside a substrate to form a radiation directing feature configured to direct electromagnetic radiation introduced into the substrate in a predetermined direction.
Dependencies are inferred from the claim text.