Backlight unit and display device having the same
US10996509B2 · kind B2 · utility
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21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2020 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Apr 20, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit and a display device including the backlight unit are provided. A backlight unit includes a substrate, light sources on a surface of the substrate, and a light transmission adjustment layer on the surface of the substrate and spaced apart from the light sources in a thickness direction, wherein the light transmission adjustment layer includes a light reflection layer having openings disposed therein, and a light absorption layer containing a light absorption material that is disposed in the openings and absorbs light having predetermined wavelength bands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.