Backlight unit and display device including the same
US11231615B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2020 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Oct 22, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a backlight unit and a display device including the same. The backlight unit can include a light emitting section including a plurality of light emitting devices disposed on a substrate, and a light source protection layer disposed on the plurality of light emitting devices, wherein an air gap is disposed between a top surface of the substrate and a bottom surface of the light source protection layer and in between the light emitting devices, a light conversion sheet having a plurality of light conversion patterns disposed in positions corresponding to the plurality of light emitting devices, and a phosphor film disposed on the light conversion sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.