Backlight module and display device
US12259613B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2024 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Jan 10, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133611
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure relates a backlight module and a display device to improve surface uniformity of the backlight module. The backlight module includes: a first region and a second region surrounding the first region; a backplate; a light source located at a side of the backplate pointing to a light exiting direction of the backlight module and also located in the first region; and a first structure located at a side of the light source away from the backplate, where the first structure includes scattering dots; where the scattering dots are located in the first region and the second region, and within a unit projected area, an area of orthographic projection of the scattering dots in the first region is smaller than an area of orthographic projection of the scattering dots in the second region, or the scattering dots are located in the second region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.