Display device with improved contrast
US6580212B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 31, 2000 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | May 31, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A display device comprising: a light-emissive structure including two regions of light emissive material for emitting light in a viewing direction, the regions being spaced apart in a direction perpendicular to the viewing direction the light-emissive structure being capable of guiding light emitted from one of the light-emissive regions towards the other emissive region; and a barrier structure located between the light-emissive regions for inhibiting the propagation of light guided from the said one of the light-emissive regions to the other light-emissive region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.