Light emitting module and backlight lighting lamp chain comprising the same
US8888321B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2011 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Sep 5, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting module may include: a PCB board; a light emitting assembly mounted on the PCB board; a lens and an encapsulating housing, the encapsulating housing encapsulating therein the PCB board, the light emitting assembly and part of the lens, and an exit surface of the lens being exposed out of the encapsulating housing, wherein the encapsulating housing is formed therein with a first concave region surrounding the exit surface and reducing light blocking, and at least a second concave region into the first concave region, wherein the second concave region is designed in such a way that water in the first concave region is drained via the second concave region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.