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Evolution of Bulb

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Evolution of Bulb
TAMPERE UNIVERSITY OF TECHNOLOGY Faculty of Business and Technology Management

EVOLUTION OF LIGHT TECHNOLOGY
Case Study TETA 1507: Technology Management

Group Members: Muhammad Iqbal Adnan Saleem Muhammad Usama Mazhar Kashif Ihsan Khattak Muhammad Imran Anwar

ABSTRACT

Light has started from the sunlight and moonlight, and then the fire has changed the concept of light. Humans made torches from wooden sticks, lamps from rocks, bones and pottery, candles from bee wax, oil lamps and gas lamps but fire was common thing in all these eras which actually produced light. Discovery of electricity made the light enter into new era of technology. Thomas Edison invented the incandescent bulb and then the technology of bulb evolves continuously due to socio cultural and technological trends. Now sophisticated LED bulbs are in the markets which are efficient, cheap, long lasting and reliable. Invention of bulb had great impact on the society because it increased working hours, workplace safety, home safety, leisure hours and leisure activities. In this research paper we have examined the evolution of light from the starting of life on earth, and then the journey of light from natural light sources to sophisticated artificial sources of light and light systems.

PREFACE
Studying the basic concepts of Technology Management as a part of the course of the International Master’s degree program at TUT motivated us to select this case study topic as an assignment task. This paper discusses the concepts of “Evolution of light technology”, its phases and the latest trends and technologies that are related to it.

We would like to thank Dr. Dedehayir Ozgur for the knowledge sharing and guidance throughout the process of our work. Tampere, May 2013 Muhammad Iqbal Adnan Saleem Muhammad Usama Mazhar Kashif Ihsan Khattak Muhammad Imran Anwar

TABLE OF CONTENTS
ABSTRACT ______________________________________________________ ii PREFACE



References: Arora, S. (2012), “The electric lamp monopoly and the life of electric lamps”, The Journal of Industrial Economics, Vol. 23 No. 2, pp. 153-8. Bijker, W. (1995), Of Bicycles, Bakelites, and Bulbs: Towards a Theory of Sociotechnical Change, MIT, Cambridge, MA, pp. 199-268. Bellis, M. (2012). About.com. Retrieved 05 03, 2013, from http://inventors.about.com/od/lstartinventions/a/lighting.htm Bright, A. Jr (1949), The Electric-Lamp Industry: Technological Changed and Economic Development from 1800 to 1947, Macmillan, New York, NY. Bright, A. Jr and Maclaurin, W. (1943), “Economic factors influencing the development and introduction of the fluorescent lamp”, Journal of Political Economy, Vol. 51 No. 5, pp. 429-50. Bright, A. Jr (1949), The Electric-Lamp Industry: Technological Changed and Economic Development from 1800 to 1947, Macmillan, New York, NY. Bazerman, C. (1999), The Languages of Edison’s Light, MIT, Cambridge, MA. Christopher M (2000). Agile Supply Chain: competing in volatile markets. Ind Market Manage., 29(1): 37-44 Chia, P.-L. and Kubota, C. 2010. End-of-day far-red light quality and dose requirements for tomato rootstock hypocotyl elongation. HortScience 45:15011506. DOE Study Confirms LEDs Most ‘Environmentally Friendly’ Lightinghttp://www.environmentalleader.com/2012/07/03/doe-studyconfirms-leds-most-environmentally-friendly-lighting/?graph=full&id=1 accesed on 25 April 2013 Dickson, B. (2012), “The ROI of LEDs: saving money with energy efficient sources programs and initiatives”, LEDs Magazine, February, available at:www.ledsmagazine.com/features/2/2/2 (accessed 18 April 2013). Elizabeth Gaines (2010) The hot and cold of LED lighting http://www.smartplanet.com/blog/intelligent-energy/the-hot-and-cold-ofled-lighting/5927?tag=search-river accessed on 24th may 2013 Eco Leds http://www.ecoleds.com/PR03.html "New LED lighting technology embraced by consumers, Total Cost of Ownership saves money over incandescent, fluorescent bulbs " acessed on 28 may 2013 Group 13 27 Fialka, J. and Kranhold, K. (2007), “Households would need new bulbs to meet lighting-efficiency rule”, Wall Street Journal, May 5, p. A1 (Eastern edition). Frantz, J., Joly, R. and Mitchell, C. 2001. Intracanopy lighting reduces electrical energy utilization by closed cowpea stands. Life Support & Biosphere Sci. 7:283-290 Goodman, M. (1997). History of Electric Lightning Technology. Retrieved 05 03, 2013, from http://sheldonbrown.com/marty_light_hist.html Hargadon, A. (2004), How Breakthroughs Happen: The Surprising Truth About How Companies Innovate, Harvard Business School, Boston, MA. Harley, B. (2008). INCANDESCENT vs. LIGHT EMITTING DIODE LIGHT BULBS. Retrieved 05 03, 2013, from Green Design Net: http://www.greendesignetc.net/GreenProducts_10/GreenProducts_Sukholt haman_Nunu_Paper.pdf Halper.Mark (2009) The myth of LED energy savings http://www.smartplanet.com/blog/bulletin/the-myth-of-led-energysavings/6918 accessed on 24 April 2013 Israel, P. (1998), Edison: A Life of Invention, Wiley, New York, NY. Kalinowski,R.(2012)The Impact of Light Bulbs on American Society | eHow.com http://www.ehow.com/about_6610467_impact-light-bulbs-americansociety.html#ixzz2RgoTyVFz Kim, H., Goins, G., Wheeler, R. and Sager, J. 2004. A comparison of growth and photosynthetic characteristics of lettuce grown under red and blue light emitting diodes (LEDs) with and without supplemental green LEDs. Acta Hort. 659:467-475. Lai,K. (2011) An innovative model of Blue Ocean Strategy and niche marketing in green industry: A case study of the smart LED industry. PICMET 2011: 17. Lifsher, M. and Uribarri, A. (2007), “Battle of the light bulbs”, Los Angeles Times, February24, available at: http://articles.latimes.com/2007/feb/24/business/fi-bulbs24 (accessed 27 april 2013). Perfect led.com http://www.perfectled.com/advantages Advantages of using LED 's Accessed on 25 April 2013 Group 13 28 Ramstad, E. and Kranhold, K. (2006), “Changing the light bulb; no joke: LED technology fuels fast growth in once-staid industry”, Wall Street Journal, June 8, p. B1 (Eastern edition). USDOE (1996), Energy Consumption Series: Residential Lighting Use and Potential Savings, DOE/EIA-0555(96)/2, United States Department of Energy, September. Whitaker, T. (2007), “LED market ready for accelerated growth in lighting, display backlights and automotive applications”, LEDs Magazine, March, available at: www.ledsmagazine. com/features/4/3/3 (accessed 27 April 2013 ) Williams, B. (1999). A History of Light and lightning. Retrieved 05 03, 2013, from Bill Williams Website: http://www.mts.net/~william5/history/hol.htm Group 13

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