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    • 10. 发明专利
    • light source
    • 光源
    • JP2014170972A
    • 2014-09-18
    • JP2014128982
    • 2014-06-24
    • Intellectual Discovery Co Ltdインテレクチュアル ディスカバリー カンパニー リミテッド
    • NG KEE YEANCHENG HENG YOWCHUA JANET BEE YIN
    • H01L33/00H01L33/50
    • H05B33/0818H05B33/0821H05B33/0863H05B33/0869Y10S362/80
    • PROBLEM TO BE SOLVED: To provide a light source which reduces a change in output characteristic among light emitting diodes due to aging degradation by a low cost configuration.SOLUTION: A light source having a first and a second phosphor conversion component light sources is disclosed. The first component light source includes a first LED (51) for radiating light of a first wavelength, and a first light-emitting conversion material layer for converting the light of the first wavelength into light of a first output wavelength. The second component light source includes a second LED (52) for radiating light of a second wavelength, and a second light-emitting conversion material layer for converting the light of the second wavelength into light of a second output wavelength different from the first output wavelength. The first LED (51) and the second LED(52) are produced by the same material system and, preferably, produced by a wafer of the same batch on a manufacturing line. A controller (86) generates current flowing in the respective first and second LEDs (51, 52) and generates light source (50) generated light recognized as a predetermined color.
    • 要解决的问题:提供一种光源,其通过低成本配置降低由于老化劣化引起的发光二极管之间的输出特性的变化。解决方案:公开了具有第一和第二荧光体转换组件光源的光源。 第一分量光源包括用于照射第一波长的光的第一LED(51)和用于将第一波长的光转换成第一输出波长的光的第一发光转换材料层。 第二分量光源包括用于照射第二波长的光的第二LED(52)和用于将第二波长的光转换成不同于第一输出波长的第二输出波长的光的第二发光转换材料层 。 第一LED(51)和第二LED(52)由相同的材料系统制造,并且优选地由在生产线上的相同批次的晶片产生。 控制器(86)产生在相应的第一和第二LED(51,52)中流动的电流,并产生产生被识别为预定颜色的光的光源(50)。