Backlight module and display device
US11061274B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 30, 2019 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Oct 30, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a backlight module. The backlight module includes a light source, an optical film, a diffusion plate, a back plate, and LED strips disposed on the back plate. The back plate forms a receiving cavity and includes at least two coupled LED strips. The light source, the diffusion plate, and the optical film are arranged in the receiving cavity. Wherein, LED lamps which are at an end of the LED strips and adjacent to a coupling position have an illuminating inner diameter on the diffusion plate, and the illuminating inner diameter is greater than an edge length to the coupling position, which improves technical problems of poor backlight mixing in backlight modules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.