OLED with sporadic flattening layer between two barrier layers
US9166194B2 · kind B2 · utility
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Key dates
| Filing date | Feb 10, 2014 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Feb 10, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/00
Abstract
According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.