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    • 7. 发明申请
    • QUANTUM DOTS WITH REDUCED SATURATION QUENCHING
    • 量子点具有减少的饱和度
    • WO2015162003A1
    • 2015-10-29
    • PCT/EP2015/057536
    • 2015-04-08
    • KONINKLIJKE PHILIPS N.V.
    • KOOLE, RoelofLUNZ, ManuelaVELDMAN, DirkBAESJOU, Patrick John
    • H01L31/0352B82Y20/00G02B6/122
    • H01L33/502B82Y20/00G02B6/1225G02B6/1226H01L33/507H01L2933/0083
    • The invention provides a lighting device (1) comprising (a) a light converter (100) comprising a light receiving face (110); and (b) a solid state light source (10) configured to generate a light source light (11) with a photon flux of at least 10 W/cm 2 at the light receiving face (110), wherein the light converter (100) is configured to convert at least part of the light source light (11) into light converter light (101) having a first frequency, wherein the light converter (100) comprises a semiconductor quantum dot (20) in an optical structure (30) selected from a photonic crystal structure (31) and a plasmonic structure (32), wherein the optical structure (30) is configured to increase the photon density of states in the light converter (100) resonant with the first frequency for reducing saturation quenching, and wherein the quantum dot (20) has a quantum efficiency of at least 80%.
    • 本发明提供一种照明装置(1),包括:(a)包括光接收面(110)的光转换器(100); 以及(b)固态光源(10),被配置为在所述光接收面(110)处产生具有至少10W / cm 2的光子通量的光源光(11),其中所述光转换器 被配置为将至少部分光源光(11)转换为具有第一频率的光转换器光(101),其中所述光转换器(100)包括在光学结构(30)中选择的半导体量子点(20) 光子晶体结构(31)和等离子体激元结构(32),其中所述光学结构(30)被配置为增加所述光转换器(100)中与所述第一频率共振的状态的光子密度,以减少饱和猝灭,并且其中 量子点(20)具有至少80%的量子效率。