发明名称 |
Light emitting device, lighting system, backlight unit for display device and display device |
摘要 |
To enhance emission efficiency and color rendering, a light emitting device 1 comprises: at least one light source 3; at least one first emitting section 4 having at least one sort of luminescent material that can emit light including a wavelength component that is longer than the light emitted from light source 3 when excited by the light emitted from light source 3; at least one second emitting section 5 having at least one sort of luminescent material that can emit light including a wavelength component that is longer than the light emitted from first emitting section 4 when excited by the light emitted from light source 3 and first emitting section 4; wherein light emitting device 1 comprises at least one light shielding unit 6 that protects at least a part of the light emitted from first emitting section 4 from entering second emitting section 5.
|
申请公布号 |
US8030840(B2) |
申请公布日期 |
2011.10.04 |
申请号 |
US20100775020 |
申请日期 |
2010.05.06 |
申请人 |
MITSUBISHI CHEMICAL CORPORATION |
发明人 |
KANEDA HIDEAKI;KIJIMA NAOTO;HATTORI EIJI |
分类号 |
H01J1/62 |
主分类号 |
H01J1/62 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|