Backlight module and display device having the same
US10459155B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 25, 2017 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Feb 2, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/005
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight module and a display device are provided. The backlight module includes a back plate, a carrying member, a light guide plate, at least one optical film and a light source. The carrying member is disposed on the back plate, in which the carrying member includes a first step portion and a second step portion, and the first step portion is elevated higher than the second step portion. The light guide plate is disposed on the back plate. The at least one optical film is disposed above the light guide plate, in which the at least one optical film is held on the second step portion. The light source is disposed on the back plate, in which the light source is disposed adjacent to a light-incident surface of the light guide plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.