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    • 4. 发明授权
    • Multi-level surface mounted lightpipe package design with LED light sources
    • 多级表面安装光管包装设计,带有LED光源
    • US07329034B2
    • 2008-02-12
    • US10378841
    • 2003-03-05
    • Anthony VerdesKlaus OesterheldJohn R. McNamara
    • Anthony VerdesKlaus OesterheldJohn R. McNamara
    • F21V7/04
    • G02B6/0006F21W2111/00F21Y2115/10Y10S362/80
    • A multi-level optical device that includes a housing. Further, a multi-level lightpipe is placed in the housing and includes at least two paths for passing light. A lightpipe barrier can optionally be placed between the at least two paths in the multi-level lightpipe, to provide enhanced separation between the light passing through the two paths. Further, a plurality of light emitting diodes (LEDs) are provided in the housing. Respective ones of the plurality of LEDs provide light input into a respective one of the paths of the multi-level lightpipe. The multi-level lightpipe can take the form of a bi-level prism, and the plurality of LEDs may be multi-color LEDs. A light-bleeding preventing device can be positioned between the at least two paths in the multi-level lightpipe. The multi-level lightpipe can also include plural multi-level lightpipes arranged in a row to create a matrix of output light signals.
    • 一种包括壳体的多级光学装置。 此外,多层光管被放置在壳体中并且包括用于通过光的至少两条路径。 光管屏障可以可选地放置在多级光管中的至少两条路径之间,以提供穿过两条路径的光线之间的增强的间隔。 此外,在壳体中设置多个发光二极管(LED)。 多个LED中的各个LED将光输入提供到多电平光管的相应一个路径中。 多级光管可以采用双层棱镜的形式,并且多个LED可以是多色LED。 防漏水装置可以位于多级光管中的至少两条路径之间。 多级光管还可以包括排列成一行的多个多级光管,以产生输出光信号的矩阵。