Electroluminescent display device
US11271045B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2019 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Sep 2, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/3026
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electroluminescent display device includes: a substrate including: a first subpixel, a second subpixel, and a third subpixel, a first electrode in each of the first to third subpixels, an emission layer on the first electrode and including: a first stack emitting first-colored light, and a second stack emitting second-colored light, the second stack being on the first stack, a second electrode on the emission layer, and a light-absorbing layer on the second electrode, wherein the first subpixel emits: light with a red wavelength range, and light with a cyan wavelength range, wherein the second subpixel emits light with a green wavelength range, wherein the third subpixel emits light with a blue wavelength range, and wherein the light-absorbing layer includes a cyan-absorbing material absorbing the light with the cyan wavelength range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.