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US 2007/0165976 A1Published application
Display panel
AssigneePPG Industries Ohio, Inc.
InventorsMehran Arbab, Adam Polcyn, Deirdre Ragan
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 one or more surfaces of the substrate 12 are illuminated, the features 30 redirect the illumination to form an image.
Claims18
A device comprising:
- a substrate;
- and
- at least one radiation-directing feature within the substrate, the feature configured to direct electromagnetic radiation primarily in a predetermined direction.
A display device, comprising:
- a substrate having a viewing surface;
- and
- at least one radiation-directing feature in the substrate, the feature configured to direct at least a portion of electromagnetic radiation in the substrate primarily toward the viewing surface.
A display device, comprising:
- a substrate having a viewing surface;
- a plurality of radiation-directing features in the substrate;
- and
- an 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 electromagnetic radiation source primarily toward the viewing 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 radiation introduced into the substrate primarily in a predetermined direction.
Dependencies are inferred from the claim text.