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    • 10. 发明授权
    • Remote phosphor LED constructions
    • 远程荧光灯LED结构
    • US08912562B2
    • 2014-12-16
    • US13991037
    • 2011-12-19
    • Andrew J. OuderkirkRavi PalaniswamyArokiaraj Jesudoss
    • Andrew J. OuderkirkRavi PalaniswamyArokiaraj Jesudoss
    • H01L33/00F21K99/00H01L33/50H01L33/60
    • F21K9/56F21K9/64G02B27/141H01L33/50H01L33/507H01L33/60H01L2224/48091H01L2924/00014
    • A white light source includes a short wavelength LED and a phosphor layer that emits light at longer visible wavelengths. A dichroic reflector transmits the longer wavelength light, and reflects some LED light onto the phosphor such that as light travels from the LED to the dichroic reflector it does not pass through the phosphor. The LED may emit blue light, and the dichroic reflector may transmit a second portion of the LED light, such that the light source output light includes both the second portion of the LED light and the longer wavelength phosphor light. The LED may be mounted on a flexible substrate having a cavity region and neighboring region, the LED being mounted in the cavity region. A dielectric layer may be thinner in the cavity region than in the neighboring region, or a hole may extend completely through the dielectric layer in the cavity region.
    • 白光源包括短波长LED和在更长可见波长发光的磷光体层。 二向色反射镜透射较长波长的光,并将一些LED光反射到荧光体上,使得当光从LED传播到二色反射体时,其不通过荧光体。 LED可以发出蓝色光,并且二向色反射器可以透射LED光的第二部分,使得光源输出光包括LED光的第二部分和较长波长荧光体光。 LED可以安装在具有空腔区域和相邻区域的柔性基板上,LED被安装在空腔区域中。 电介质层可以在空腔区域中比在相邻区域更薄,或者孔可以完全延伸穿过腔区域中的介电层。