Backlight unit and display device including the same
US10185177B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2017 |
| Grant date | Jan 22, 2019 |
| Priority date | — |
| Expiry date | Mar 4, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133611
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit and a display device including the same are disclosed. The backlight unit includes a frame including a bottom area and a sidewall area extended from the bottom area, at least one substrate positioned at a front surface of the frame, a plurality of light sources being mounted on the at least one substrate, a reflective sheet positioned at a front surface of the at least one substrate, and an optical sheet positioned at a front surface of the reflective sheet. The reflective sheet includes a first sheet area contacting the bottom area and including a plurality of lens holes, and a second sheet area spaced apart from the bottom area and including a dot area. The dot area includes a first dot area and a second dot area spaced apart from the first dot area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.