Back light unit and display device
US11215745B1 · kind B1 · utility
0Cited by
1References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 2, 2021 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Apr 2, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0091
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A back light unit and a display device are proposed. The back light unit includes a light guide plate and multiple light emitting diodes, wherein the multiple light emitting diodes are disposed on a light entrance surface of a side end of the light guide plate, the light entrance surface of the light guide plate is disposed with at least one groove, and the at least one groove is disposed between at least part of adjacent light emitting diodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.