Lighting device and display device having the same
US8210701B2 · kind B2 · utility
26Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2009 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Jan 6, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/48465
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed herein is a lighting device including a blue light-emitting element adapted to emit a blue light beam; and a green phosphor layer which is disposed apart from the blue light-emitting element and can function as a light diffusion layer, the green phosphor layer including a green phosphor adapted to emit green fluorescence when excited by the blue light beam, the green phosphor having a refractive index of 1.49 or more and a quantum efficiency of 79% or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.