Backlight module and display device
US12130463B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 25, 2022 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Mar 25, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1336
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided in the present disclosure are a backlight module and a display device. The backlight module includes: a first light guide plate, including: a first surface, a second surface, and a first side surface, where the second surface includes a plurality of first mesh points arranged in arrays; at least one first light source, adjacent to the first side surface; a first reverse prism, located on a side of the first surface away from the second surface; a first privacy filter, located on a side of the first reverse prism away from the first light guide plate; a second light guide plate, located on a side of the first privacy filter away from the first reverse prism, and including: a third surface and a fourth surface that are opposite, and a second side surface connecting the third surface and the fourth surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.