Backlight unit having light guide plates
US8113704B2 · kind B2 · utility
44Cited by
11References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2009 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Jan 4, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133605
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED back-light unit and other devices using the LED back-light unit are discussed. According to one embodiment, an LED back-light unit includes a light guide portion that includes a light guide plate and a reflection plate coupled to the light guide plate, wherein the light guide plate has a light input part and a first connection part, and wherein the reflection plate has a second connection part connected to the first connection part, and a light source including at least one light emitting diode, the light source emitting light toward the light guide portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.