Organic light emitting display panel and manufacturing method thereof, display device
US9991322B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2015 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Sep 29, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/1201
Abstract
The present invention discloses an organic light emitting display panel and manufacturing method thereof and a display device, which can reduce the critical dimension bias of the pixel defining layer and improve the display uniformity. The organic light emitting display panel provide by the present invention comprises: a pixel defining layer, which is provided with a plurality of light emitting material filling areas, being characterized by further comprising: a metal layer provided on the pixel defining layer; the metal layer is provided with openings corresponding to the light emitting material filling areas respectively. The solutions provided by the present invention are used to improve the display effect of the organic light emitting display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.