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  • 學位論文

紫外光發光二極體立體弧度角之研究

Study on Solid Angle of Ultraviolet Light Emitting Diode

指導教授 : 謝秀利
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摘要


紫外光發光二極體(簡稱UV LED)屬短波長的不可見光,波長範圍愈短,能量愈高,可推動更高的能量化學作用,達到破壞化學鍵的效果。依據ISO 21348的定義,電磁波波長範圍在100nm至400nm稱為紫外光,依波長可區分為: UVA、UVB、UVC等三類,其中以UVC的能量最強。 本論文研究UVC LED出光角的立體弧度特性,探討照射距離與角度,對於被照射面積所獲得的能量影響,並套入UV LED元件的光學與電性特性做推導。搭配自動定電流控制系統(ACC)與自動電功率控制系統(AEC)進行實驗量測,建立推算值與實際值數據,分析各種實驗參數對輻射功率與立體弧度角的關係,並繪製光場示意圖;另外,也對紫外劑量算法做相關說明。

並列摘要


Ultraviolet light emitting diodes (UV LEDs for short) belong to short wavelength invisible light. The shorter the wavelength range, the higher the energy, the increased chemical energy and the effect of breaking chemical bonds. Regarding the definition of ISO 21348, electromagnetic waves range from 100 nm to 400 nm of ultraviolet light, which can be separated by wavelength: There are three types of UVA, UVB, UVC, among which UVC has the strongest energy. This thesis studies the three-dimensional radian characteristics of the UVC LED light-emitting angle, discusses the influence of the irradiation distance and angle on the energy obtained by the irradiated area, and derives the optical and electrical characteristics of the UV LED components. With automatic Constant Current Control system ACC and Automatic Electric Power Control system AEC for experimental measurement, establish the estimated value and actual value data, analyze the relationship between various experimental parameters and the radiation power and the solid radian angle, and draw the light field diagram. In addition, the UV dose algorithm is also explained.

參考文獻


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