Substrates with multiple images
US7404997B2 · kind B2 · utility
2Cited by
38References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2004 |
| Grant date | Jul 29, 2008 |
| Priority date | — |
| Expiry date | Sep 2, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present application is directed to a substrate comprising a first major surface comprising light transmitting areas and light shielding areas. A reflective image exists on the light shielding areas of the first major surface of the substrate. A transmitted image exists on the first major surface through the light transmitting areas of the first major surface of the substrate. The substrate is substantially continuous and not specularly transmissive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.