Backlight unit and display device including backlight unit
US10768479B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2019 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Jul 3, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133611
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device includes a display panel; a light source; a frame at a rear of the display panel; and a reflecting sheet between the display panel and the frame, the reflecting sheet having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side. Further, the reflecting sheet includes a first horizontal area along the first long side, and a first vertical area along the first short side. In addition, at least one of the first horizontal area and the first vertical area includes a first area including a plurality of first dots, a second area including a plurality of second dots and a third area including a plurality of third dots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.