Display device capable of improving light extraction efficiency
US10950822B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2018 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Apr 30, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/873
Abstract
A display device is provided that can increase brightness by improving light extraction efficiency. The display device can include a thin-film transistor disposed on a substrate, a first overcoat layer disposed on the thin-film transistor and including a groove portion, a reflective layer disposed on the first overcoat layer including the inside of the groove portion, a color filter disposed on the reflective layer and located in the groove portion, a second overcoat layer disposed on the color filter and the reflective layer, a first electrode disposed on the second overcoat layer and connected to the thin-film transistor, a bank layer disposed on the first electrode and including an open portion exposing the first electrode, an organic layer disposed on the bank layer and the first electrode, and a second electrode disposed on the organic film layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.