Backlight module and display device
US12158603B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 16, 2021 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Nov 16, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0086
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a backlight module and a display device. The backlight module includes a backplate, a led-bar, a light guide plate and an optical sheet group; wherein the led-bar includes a plurality of light sources disposed towards the light entrance surface of the light guide plate; the light exit surface and the light entrance surface of the light guide plate are adjacent; a portion of the light exit surface of the light guide plate near the light entrance surface is provided with a step structure in which heights of steps gradually decrease in a first direction; the optical sheet group includes a plurality of optical sheets stacked on the side where the light exit surface of the light guide plate is located, and each of the optical sheets is fixed to a corresponding step in the step structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.