Backlight unit and display device including backlight unit
US11860474B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2022 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Mar 1, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133611
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device including a display panel; a frame at a rear of the display panel; a plurality of light source assemblies between the display panel and the frame, the light source assemblies providing light for the display panel; and a reflecting sheet between the display panel and the frame and including a first sheet part forming a central area of the reflecting sheet; a second sheet part forming a side area of the reflecting sheet around the first sheet part, the second sheet including vertical dot areas formed on first and second vertical sides of the reflecting sheet and horizontal dot areas formed on first and second horizontal sides of the reflecting sheet; and a plurality of partial ring-shaped dot areas formed on the first sheet part partially around corresponding light source assemblies without completely surrounding the corresponding light source assemblies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.