攜帶型抗藍光鏡片量測裝置

Portable Anti-Blue Light Lens Measuring Device

陳德請(Der-Chin Chen) ； 李錫霖(Siak-Lim Lee) ； 林漢傑(Han-Jie Lin)

《科儀新知》 197期 (2013/12) Pp. 55-72

摘要

本研究目的在建立一套攜帶型抗藍光鏡片量測裝置，其特色使用光脈波調變與濾波電路技術以防止外界環境光干擾及不必使用光學濾光片。脈波電子信號經半波轉換電路供微處理器做運算。本系統主要由發射電路、接收電路與信號處理電路三個單元所組成。發射端是利用達靈頓驅動電路使LED操作電流最佳化，此時藍光發光二極體（LED）可獲得最強的脈衝光。經實驗證明穿透率量測準確度達6%，茶色20％（穿透率為80%）抗藍光鏡片及鍍藍膜抗藍光鏡片都具抗藍光效果，且量得此兩者對物體色彩偏差在3%以內。

並列摘要

This study set up a portable measurement system for anti-blue light lens, its characteristic is using a light pulse modulator and filtering circuit technology to prevent ambient light interference and no need to used optical filters. Electronic Pulse wave signal by half-wave conversion circuit enables the microprocessor to do calculations. The system composed by the transmitter circuit, receiver circuit and signal processing circuit. The transmitter circuit use Darlington drive circuit to optimize the LED operating current, so that it can be obtain the strongest pulsed light. Through the experiment prove that transmittance measurement accuracy is up to 6%, the anti-blue lenses brown 20% (transmittance is 80%) , blue film anti-blue light lenses having anti-blue light effect, and measuring obtain the object color deviation within 3%.