Anti-peeping display device
US12408538B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2022 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Dec 8, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/8792
Abstract
A display device includes a substrate including a display area including a light emitting area, and a peripheral area surrounding at least a portion of the display area, a first light emitting element disposed in the light emitting area on the substrate and emitting a first light, a light guide layer disposed on the first light emitting element, and transmitting a second light incident from the peripheral area to the display area, a first low refractive layer disposed on the light guide layer and having a refractive index smaller than a refractive index of the light guide layer, a second low refractive layer disposed under the light guide layer and having a refractive index smaller than a refractive index of the light guide layer and a first light control layer disposed on the first low refractive layer and having a first opening exposing the light emitting area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.