Organic light-emitting display
US7525129B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2005 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | Sep 15, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
Abstract
It is an object of the present invention to provide an organic light-emitting display of high light-emitting efficiency. The organic light-emitting element comprising a board, upper electrode, lower electrode, a plurality of light-emitting units placed between the upper and lower electrodes, and a charge-generating layer placed between a plurality of the light-emitting units, wherein one of the light-emitting units has a layer for emitting monochromatic light and one of the light-emitting units has a layer for emitting polychromatic light, the former unit having an equivalent or lower light-emitting efficiency than the latter unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.