Display device with roof layer
US11251408B2 · kind B2 · utility
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1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2020 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Mar 16, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/80518
Abstract
A display device includes a substrate; a display element disposed on the substrate and including a pixel electrode, an opposite electrode, and an emission layer between the pixel electrode and the opposite electrode; and a roof layer defining an air cavity. The air cavity is disposed around the display element. A refractive index of the roof layer is greater than a refractive index of the air defined by the air cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.