Backlight unit and display device using the same
US11353740B2 · kind B2 · utility
1Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2020 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Oct 16, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/36
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit comprises a light emitting unit having a plurality of light emitting elements, a light conversion sheet having a plurality of light conversion patterns disposed at positions corresponding to the plurality of light emitting elements, and a phosphor film disposed on the light conversion sheet and including a partition wall dividing a light emitting surface into a plurality of sub-blocks and phosphor layers respectively disposed on the plurality of sub-blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.