Backlight unit and display apparatus comprising same
US11803082B2 · kind B2 · utility
0Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2022 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Nov 3, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/2054
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight unit comprising a printed circuit board; a plurality of light sources at a surface of the printed circuit board, the plurality of light sources to emit light; and a reflective sheet, arranged above the plurality of light sources, having differing transmittance on the basis of incident angle of the light from the plurality of light sources, respectively, wherein the reflective sheet is provided with at least one gap between two adjacent light sources from among the plurality of light sources.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.