One-way vision display panels with retention layer
US7897230B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 30, 2007 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Mar 7, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24331
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
One or more types of ink retention layers for a one-way vision display panel and methods are provided. In one example, a one-way vision display panel assembly includes a perforated panel formed of a flexible material. The perforated panel having a front surface, a rear surface and a plurality of through holes extending from the front surface to the rear surface. An ink retention layer is located adjacent to the perforated panel. The ink retention layer includes material that retains or absorbs residual ink from an image applied to the front surface of the perforated panel. The one-way vision display panel may further include a releasing layer or a backing layer, or both.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.