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    • 14. 发明申请
    • ILLUMINATION CONVERTER
    • 照明转换器
    • WO2013173151A1
    • 2013-11-21
    • PCT/US2013/040245
    • 2013-05-09
    • 3M INNOVATIVE PROPERTIES COMPANYOUDERKIRK, Andrew, J.
    • OUDERKIRK, Andrew, J.
    • G02B6/00F21V8/00
    • G02B6/002G02B6/0015G02B6/0018G02B6/0028G02B6/0065G02B6/0073
    • The disclosure generally relates to illumination converters that are capable of converting light from one geometrical format to another. In particular, the described illumination converters are capable of converting a circular source such as an LED to a linear source useful in an edgelit waveguide, which can be used in a backlight for a display. The converter consists of a waveguide plate (210) with two edges (220, 218) oriented towards each other at 45° such that a the waveguide plate consists of a rectangular part (204) attached to a triangular part (202). The triangular part is rolled into a coil around a central axis (250) and one side of the coil is used for coupling in of the light from a source.
    • 本发明一般涉及能够将一种几何格式的光转换成另一种几何格式的照明转换器。 特别地,所描述的照明转换器能够将诸如LED的圆形光源转换成可用于显示器的背光源中的用于光栅波导的线性光源。 该转换器包括具有两个边缘(220,218)的波导板(210),该两个边缘彼此以45°取向,使得波导板由连接到三角形部分(202)的矩形部分(204)组成。 三角形部分围绕中心轴线(250)卷绕成线圈,并且线圈的一侧用于耦合来自源的光。