Backlight unit and display device comprising the same
US11493681B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2021 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Dec 20, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/0426
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit and a display device including the backlight unit are discussed. The backlight unit can include a printed circuit, a plurality of light sources disposed on the printed circuit, and a first base film disposed on the printed circuit and including a plurality of first holes provided in an area where the plurality of light sources are disposed and a plurality of second holes spaced apart from the plurality of first holes, wherein the plurality of second holes surround the plurality of first holes. The backlight unit can further include a plurality of light source protectors disposed on the printed circuit and disposed in the plurality of first holes, a plurality of light path converters disposed on the printed circuit and including a material different from the light source protectors, and a light control film disposed on the light source protectors and the light path converters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.