Light guide plate, method for manufacturing same and backlight module
US9715059B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 2014 |
| Grant date | Jul 25, 2017 |
| Priority date | — |
| Expiry date | Jan 17, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133615
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a light guide plate fixed to a back plate. The back plate has a plurality of fixing portions. The light guide plate includes a light incident surface, a reflective surface connected with the light incident surface, and a light output surface opposite to the reflective surface and connected with the light incident surface. The light output surface includes a main body and a plurality of locating portions mounted on the main body. The locating portions correspond to the fixing portions. The locating portions mate with the corresponding fixing portions thereby fixing the light guide plate to the back plate. A blank area is formed on the main body at each location where each of the locating portions mating with the corresponding fixing portion. A plurality of microstructures are formed on the rest area excluding the blank areas in the main body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.