Lens sheet having lens array formed in pre-selected areas and articles formed therefrom
US8693101B2 · kind B2 · utility
20Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2011 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Sep 9, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1052
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A lens sheet having one or more lens arrays positioned in selected discrete areas. Each lens array includes a plurality of lenses, each having a width, a height, and a lens peak. The lens array is set below the planar surface of the lens sheet, such that lens array does not extend above the lens sheet. Furthermore, the lens array is completely bordered by or contained within planar portions of the lens sheet. One or more dimensional images are printed below each of the lens arrays, and/or one or more static images can be printed on the planar portions of the lens sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.