Backlight illumination assembly having a joining clip with diffusion means
US8047669B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2009 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Jun 2, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A uniform light source having a substrate for providing structural and functional support to the assembly. A bottom reflector provided on the substrate. A plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. A plurality of light films and having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light source to a uniform plane of light; a joining clip comprising a top capping portion and a bottom support portion, the bottom support portion being aligned perpendicular to the top capping portion and having a height sufficient to house the plurality of light films. A top diffuser for diffusing the uniform plane of light. The plurality of light films has a thickness between 0.1 mm to 1.0 mm. In addition, the joining clip further comprises a light diffusion means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.