Sourcehttp hrd college itri org twLEDarticle aspx id4Title

Source：http: //hrd. college. itri. org. tw/LED/article. aspx? id=4&Title. Id=6

光電科技增進人類全體生活 Semiconductor-Taiwan’s 1 st Trillion NTD industry Standard-playing Record，SP Vacuum Tubes CD Transistors LCD-Taiwan’s second Trillion NTD industry Camera DSC CRT TV FPD & TV LED&PV-Taiwan’s third Trillion NTD industry？ Twist-pair Copper Optical Fiber Light Bulbs Source: PIDA LED Lighting

照明光源的歷史 1 st Gen 2 nd Gen FIRE 史 前 Ancient Generation gap ～ 60 years 3 rd Gen 4 th Gen ELECTRICITY 19世紀 1960 s LASER問世 • 幾何光學 White LED, 1996 Fluorescent, 1937 • 馬克斯威爾 電磁方程式 Modern Incandescent, 1879 Gas lighting, 1816 1990 s Candle, 400 A. D. 1920 s Torch, 400000 B. C. • 愛因斯坦光電效應 1879 愛迪生發明電燈泡 Source: PIDA • 量子物理誕生 中村修二首創白光LED

International Year of Light 2015國際光之年 Source: PIDA攝影，2015/2

LED元件產品開發歷史 Source: Lumileds，PIDA整理，2007/4

LED元件組成結構與發光特性 Lamp (砲彈型) SMD (表面黏著型元件；Surface Mounted Devices) Source: electronics. howstuffworks. com、Osram https: //www. youtube. com/watch? v=Godk. Gaf. Zsh 4 https: //www. youtube. com/watch? v=BH 9 LI 973 H 8 w

各種照明產品規格比較 Lighting Type Efficacy (lumens/watt) Lifetime (hours) Color Rendition Index (CRI) Color Temperature (K) Indoors/Outdoors Incandescent (白熾燈) Standard "A" bulb 10~17 750~2500 98~100 (excellent) 2700~2800 (warm) Indoors/outdoors Tungsten halogen 12~22 2000~4000 98~100 (excellent) 2900~3200 (warm to neutral) Indoors/outdoors Reflector 12~19 2000~3000 98~100 (excellent) 2800 (warm) Indoors/outdoors Fluorescent (螢光燈) Straight tube 30~110 7000~24, 000 50~90 (fair to good) 2700~6500 (warm to cold) Indoors/outdoors Compact fluorescent lamp (CFL) 50~70 10, 000 65~88 (good) Indoors/outdoors Circline 40~50 12, 000 50~90 (fair to good) 2700– 6500 (warm to cold) 2700~6500 (warm to cold) Indoors High-Intensity Discharge (氣體放電燈) Mercury vapor 25~60 16, 000~24, 000 50 (poor to fair) 3200~7000 (warm to cold) Outdoors Metal halide 70~115 5000~20, 000 3700 (cold) Indoors/outdoors 70 (fair) High-pressure sodium 50~140 16, 000~24, 000 25 (poor) 2100 (warm) Outdoors Low-Pressure Sodium 60~150 12, 000~18, 000 5 (very poor) 1700 (warm) Outdoors 發光壽命長、高發光效率 Light-Emitting Diodes (發光二極體) Cool White LEDs 50~100+ 35, 000~50, 000 70~90 (fair to good) 5000 (cold) Indoors/outdoors Warm White LEDs 40~80+ 35, 000~50, 000 70~90 (fair to good) 3300 (neutral) Indoors/outdoors Source: DOE、PIDA

白光LED的分光光譜 100 80 YAG、TAG… （ ） 分 光 60 能 量 紫 外 40 ％ 紅 外 光 光 20 0 350 400 450 500 550 600 650 波長（nm） Source: PIDA、Panasonic 700 750 800 850

紫外光LED應用及優勢 Source：Nitride Semiconductor

OSRAM Opto LED植物燈與體感IR LED OSRAM Opto Semiconductors推出 LED植物照明燈所需之紅光與藍光 LED封裝元件，以及體感應用的超 高功率紅外光LED元件。 Source: OSRAM Opto、PIDA攝影，2014/1

白光LED在低溫環境 作表現 Source: Panasonic

Source: Yole Développement

Source: Yole Développement