| Study on Optical Axis Measurement of LED |
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| 引用本文： | HONGRuyu. Study on Optical Axis Measurement of LED[J]. 半导体光子学与技术, 1998, 4(4): 238-242 |
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| 作者姓名： | HONGRuyu |
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| 作者单位： | Dept.ofRadioandAutomation,YuzhouUniversity,Chongqing400020,CHN |
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| 摘 要： | The necessity of measuring optical axis of LED for photoelectric sensor is introduced and the measurement of the optical axis with area weighted method is done.Finally,the effects of chip seat and loading current changes on the optical axis place are obtained.
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| 关 键 词： | 光轴 发光二极管 测量 原理 |
| 收稿时间： | 1998-06-01 |
Study on Optical Axis Measurement of LED |
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| Abstract: | The necessity of measuring optical axis of LED for photoelectric sensor is introduced and the measurement of the optical axis with area weighted method is done.Finally,the effects of chip seat and loading current changes on the optical axis place are obtained. |
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| Keywords: | centre of light emitting area LED measurement optical axis |
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