Modeling distance dependence of LED illuminance

摘要：

A method for determining photometric properties of an LED in terms of its axial luminous intensity, angular intensity pattern, and radius and location of the effective LED source is presented. The applicability of the method was tested for seventeen LED types with different packages, angular intensity distributions, and power levels. When applying the developed method to the measurement data, instead of the inverse-square law of point source, a significant reduction in the distance dependence of apparent LED luminous intensity was achieved.

关键词： light-emitting diodes photometry modified inverse-square law

作者: E. Ikonen P. Manninen P. K(a)rh(a)

作者单位: Metrology Research Institute, Helsinki University of Technology (TKK), PO Box 3000, FI-02015 TKK, Fi Metrology Research Institute, Helsinki University of Technology (TKK), PO Box 3000, FI-02015 TKK, Fi

会议类型: 国际会议

会议名称: 26th Session of the CIE(国际照明委员会（CIE）第26届大会)

会议地点: 北京

会议语种:英文

页码: 214-217

在线出版日期: 2007-07-04（万方平台首次上网日期，不代表论文的发表时间）