Display device and method of manufacturing same
US11627690B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2020 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | May 17, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/861
Abstract
A display device includes: a substrate on which a first pixel displaying a first color and a second pixel displaying a second color are placed; a circuit element layer formed on the substrate and in which circuit elements are placed; a passivation layer placed on the circuit element layer; an overcoat layer on the passivation layer; a light absorption layer formed between the passivation layer and the overcoat layer in a non-emission area, and containing a colorant; an anode electrode of a light-emitting element formed in an emission area of the first pixel and an emission area of the second pixel; an emission layer of the light-emitting element covering the anode electrode; and a cathode electrode of the light-emitting element formed on the emission layer, wherein the overcoat layer is formed in an area except the emission area of the first pixel, and the first color is a white color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.