Backlight module including annular light-shielding structure and display device including the same
US11536890B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 17, 2021 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Sep 17, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133524
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight module and a display device are provided. The backlight module includes: a light source unit; a light guide plate, for guiding light to a display panel; an optical component for uniformly irradiating the display panel; and a back plate, at least including a bottom plate, for accommodating the light guide plate, the light source unit, and the optical component. The light guide plate and the optical component are provided with a hole penetrating through the two, a part of the back plate at the hole is bent and inserted into the hole to form a side wall, a side end surface of the optical component close to the hole is inclined regarding an axis of the hole, and an annular light-shielding structure is around a top surface of the hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.