Backlight unit with emission modification
US11126033B2 · kind B2 · utility
2Cited by
94References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2021 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Feb 17, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133507
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device is disclosed that includes a backlight comprising light-emitting diodes. The disclosed display device includes a liquid crystal panel configured to control transmission of light from the backlight to a viewer. The display device also includes one or more optical films that incorporate one or more light conversion or light absorbing materials. The optical films can be positioned between the layers of the disclosed display device and give enhanced blue-light absorption to the display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.