Backlight module
US11150509B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 23, 2018 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Mar 2, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight module is provided, including: a light source module configured to emit a plurality of point lights; a diffuser plate configured to homogenize light emitted from the light source module; and a reflective plate disposed over the light source module and located between the light source module and the diffuser plate, where the reflective plate is provided with a plurality of through holes corresponding to the plurality of point lights, such that the plurality of point lights emitted from the light source module enter the diffuser plate through the corresponding through holes of the reflective plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.