Lighting device, display device, and television receiver
US9016923B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2010 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Aug 11, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/023
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lighting device includes light sources arranged at an end, light guide portions arranged along an arrangement direction of the light sources and receiving light from the light sources, and light output portions arranged along a direction crossing the arrangement direction and exiting light from the light guide portions. The light output portions include at least a first light output portion and a second light output portion. The first light output portion is arranged relatively close to the light sources and the second light output portion is arranged relatively farther from the light sources with respect to the first light output portion. The light guide portions include at least a first light guide portion and a second light guide portion, and the first light guide portion is optically connected to the first light output portion and the second light guide portion is optically connected to the second light output portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.