en 212.3 - final research paper light-emitting diodes paul m. cabacungan ateneo de manila university...
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EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITY
Environment Friendly Lights Have a Brighter Future in the Lighting Industry
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITY
http://electronics.how stuffw orks.com
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITYIncandescent Bulb
http://electronics.how stuffw orks.com
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITYIncandescent Bulb Fluorescent Lights
http://electronics.how stuffw orks.com
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITY
http://electronics.how stuffw orks.com
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITYIncandescent Bulb Fluorescent Lights Light Emitting Diode
http://electronics.how stuffw orks.com
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITY
http://electronics.how stuffw orks.com
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITYIncandescent Bulb Fluorescent Lights Light Emitting Diode
Structure
http://electronics.howstu
ffworks.com
Life Span 1,000-2,000 hours 11,250-30,000 hours 100,000-1,000,000 hours http://en.wikipedia.org/w
iki/Light-emitting_diode
Maintenance approx. 1.5 - 3 months approx. 1.25-2.5 years approx. 10-100 years EERE Consumer's Guide: Compact Fluorescent
Lamps. U.S. Department Luminous Efficiency (Brightness in lm/W)
15 100 150 "Nichia Unveils White LED with 150 lm/W
Luminous Efficiency", Electricity Cost (for 800–900 lumens at a rate of $0.10/kWh)
$48.00 $11.20 (no data available) EERE Consumer's Guide: Compact Fluorescent
Lamps. U.S. Department Durability breaks when dropped breaks when dropped very durable http://en.wikipedia.org/w
iki/Light-emitting_diode
Cost / Kilolumen few dollars few dollars $100 http://optics.org/cws/art
icle/industry/30753
Disposal Cost $ 0-25 per ft. bulb $ 1 per 4 ft. lamp (no data available) Business Source Premier - Lamp disposal. Chain Store Age, 10870601, Safety/Effects on the
EnvironmentSome incandescent bulbs in
the form of black lights contain mercury.
Contains Mercury Non-toxic materials http://en.wikipedia.org/w
iki/Light-emitting_diode
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITY
Sources:
REFERENCESAuthor/s Cited:Curtis, Susan. “LEDs Shine Brighter, but Cost Concerns Remain.” Optics and Laser Europe 3 August 2007 <http://optics.org/cws/article/industry/30753>.Fenley, Gareth. “Confronting the Dark Side of Lighting.” Display & Design Ideas July 2002, Vol. 14, Issue 7, Business Source Premier<http://web.ebscohost.com/bsi/detail?vid=19&hid=106&sid=78b23850-5ad6-4448-b746-792e84a40882%40sessionmgr9>.Harris, Tom. “How Fluorescent Lamps Work.” <http://electronics.howstuffworks.com>.Harris, Tom. “How Light Bulbs Work.” <http://electronics.howstuffworks.com>.Harris, Tom. “How Light-emitting Diodes Work.” <http://electronics.howstuffworks.com>.Kedrosky, Paul. “A Bright Idea.” Business 2.0 July 2006, Vol. 7, Issue 6, Business Source Premier <http://web.ebscohost.com/bsi/detail?vid=29&hid=4&sid=78b23850-5ad6-4448-b746-792e84a40882%40sessionmgr9>.
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITY
Merryweather, Scott. “National Electrical Manufacturers Association, U.S. EPA (Environment Protection Agency).” Waste News <http://web.ebscohost.com/bsi/detail?vid=12&hid=106&sid=78b23850-5ad6-4448-b746-792e84a40882%40sessionmgr9>. Murphy, Elena E. “Industry Zaps the Mercury from Lamps.” Purchasing 9 May 1996
<http://web.ebscohost.com/bsi/pdf?vid=21&hid=6&sid=78b23850-5ad6-4448-b746-792e84a40882%40sessionmgr9>.
No Author/s Cited:“Environmental issues: Lamp Disposal.” Chain Store Age Executive with Shopping CenterAge December 1993, Vol. 69, Issue 12, Business Source Premier, <http://web.ebscohost.com/bsi/detail?vid=21&hid=106&sid=78b23850-5ad6-4448-b746-792e84a40882%40sessionmgr9>.“Fluorescent Lamp.” Wikipedia. <http://en.wikipedia.org/wiki/Fluorescent_lamp>.
EN 212.3 - Final Research Paper Light-Emitting Diodes Paul M. Cabacungan
ATENEO DE MANILA UNIVERSITYATENEO DE MANILA UNIVERSITY
“Health Effects of Mercury in Humans and the Environment.”<http://www.p2pays.org/mercury%5Ctryon/art2.pdf>.
“Incandescent Light Bulbs.” Wikipedia. <http://en.wikipedia.org/wiki/Incandescent_light_bulb>.“Lamp Disposal.” Chain Store Age June 1998, Vol. 74, Issue 6, Business Source Premier <http://web.ebscohost.com/bsi/detail?vid=20&hid=106&sid=78b23850-5ad6-4448-b746-792e84a40882%40sessionmgr9>.“Light-emitting Diode.” Wikipedia. <http://wikipedia.org/wiki/Light-emitting_diode>.