Backlight module and display device
US10809565B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 2, 2018 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Aug 2, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0068
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight module includes: light sources; a light guide plate disposed at a side of the light sources, the light guide plate including a second light guide portion disposed adjacent to the light sources and a first light guide portion disposed on a side of the second light portion away from the light sources, a thickness of the second light guide portion being greater than a thickness of the first light guide portion; and a back plate including a first back plate portion disposed at a side of the light sources away from the light guide plate and a second back plate portion disposed at a side of the light guide plate which is opposite to a light exit side of the light guide plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.