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    • 2. 发明授权
    • LED light source
    • LED光源
    • US09541240B2
    • 2017-01-10
    • US14126097
    • 2012-06-15
    • Wilhelmus Adrianus Gerardus TimmersWouter Oepts
    • Wilhelmus Adrianus Gerardus TimmersWouter Oepts
    • F21V5/04F21K99/00H01L25/075H01L33/58F21V13/04F21Y101/00
    • F21K9/60F21V5/04F21V13/04F21V23/04F21Y2101/00F21Y2105/10F21Y2115/10H01L25/0753H01L33/58H01L2924/0002H01L2924/00
    • Proposed is a lighting module 100 and an illumination device 200 comprising such a module. The lighting module comprises an array of LEDs 120 mounted on a substrate 110 and an optical structure 130 encompassing the LED array for approximating in operation the LED array as a single homogeneous light source. The optical structure comprises an optical element 140 arranged to provide a luminous intensity profile as a function of a deviation angle a which is substantially constant between −αmax and αmax, wherein αmax is a maximum deviation angle provided by the optical element and substantially zero at angles outside that range. This is especially advantageous for optimizing the trade off between creating a single homogenous light source and maintaining the entendue of the light source. An additional advantage of the optical element 140 is that, except for fresnel reflections on both surfaces, it has no backscattering like a diffuser has, which results in a very low optical loss.
    • 提出的是照明模块100和包括这种模块的照明装置200。 照明模块包括安装在基板110上的LED120阵列和包围LED阵列的光学结构130,用于在操作中将LED阵列近似为单个均匀的光源。 光学结构包括光学元件140,其被配置为提供作为在αmax和αmax之间基本恒定的偏差角α的函数的发光强度分布,其中αmax是由光学元件提供的基本上为零的角度 在该范围之外。 这对于优化在创建单个均质光源和维持光源的聚集之间的折衷是特别有利的。 光学元件140的另外的优点在于,除了在两个表面上的菲涅耳反射之外,其没有像扩散器那样的后向散射,这导致非常低的光学损耗。
    • 3. 发明申请
    • LED LIGHT SOURCE
    • LED光源
    • US20140226337A1
    • 2014-08-14
    • US14126097
    • 2012-06-15
    • Wilhelmus Adrianus Gerardus TimmersWouter Oepts
    • Wilhelmus Adrianus Gerardus TimmersWouter Oepts
    • F21K99/00
    • F21K9/60F21V5/04F21V13/04F21V23/04F21Y2101/00F21Y2105/10F21Y2115/10H01L25/0753H01L33/58H01L2924/0002H01L2924/00
    • Proposed is a lighting module 100 and an illumination device 200 comprising such a module. The lighting module comprises an array of LEDs 120 mounted on a substrate 110 and an optical structure 130 encompassing the LED array for approximating in operation the LED array as a single homogeneous light source. The optical structure comprises an optical element 140 arranged to provide a luminous intensity profile as a function of a deviation angle a which is substantially constant between −αmax and αmax, wherein αmax is a maximum deviation angle provided by the optical element and substantially zero at angles outside that range. This is especially advantageous for optimizing the trade off between creating a single homogenous light source and maintaining the entendue of the light source. An additional advantage of the optical element 140 is that, except for fresnel reflections on both surfaces, it has no backscattering like a diffuser has, which results in a very low optical loss.
    • 提出的是照明模块100和包括这种模块的照明装置200。 照明模块包括安装在基板110上的LED120阵列和包围LED阵列的光学结构130,用于在操作中将LED阵列近似为单个均匀的光源。 光学结构包括光学元件140,其被配置为提供作为在αmax和αmax之间基本恒定的偏差角α的函数的发光强度分布,其中αmax是由光学元件提供的基本上为零的角度 在该范围之外。 这对于优化在创建单个均质光源和维持光源的聚集之间的折衷是特别有利的。 光学元件140的另外的优点在于,除了在两个表面上的菲涅耳反射之外,其没有像扩散器那样的后向散射,这导致非常低的光学损耗。