Display panel with pre-patterned images
US9436057B2 · kind B2 · utility
14Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2014 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Oct 31, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1681
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is directed to a display panel comprising micro-containers filled with an electrophoretic fluid wherein each of the microcells has a bottom and one surface of the bottom is in contact with the electrophoretic fluid, the display panel has a first area and a second area, and the microcells in the first area have substantially the same bottom thickness and the microcells in the second area have added bottom thicknesses. Such a display panel is useful for many applications, such as bar codes, anti-counterfeiting labels, direction signages, shelf labels or watermarks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.