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The Light Bulb and LED, A Brief History

THE LIGHT BULR and LED A BRIEF HISTORY 1806 Humphrey Davy invented the first light bulb in 1806. 1879 Thomas Edison patents the carbon-thread incandescent lamp, which lasted 40 hours. 1880 Edison invents a 16-watt light bulb that lasts up to 1500 hours before burning out. 1907 The science of LED lighting, based on Electroluminescence is discovered by radio researcher, Guglielmo Marconi, and his assistant, Henry Joseph Round. 1926 Edmund Germer patents the fluorescent lamp. 1961 Robert Biard and Gary Pittman Accidentally created an infrared LED for Texas Instruments while attempting to invent a laser diode. 1962 Nick Holonyak Jr. develops the first practical visible-spectrum light-emitting diode. 1972 M. George Craford improved upon Holonyack's red LED, improving its brightness by ten times. The first yellow LED light is created. 1976 Thomas P. Pearsall invented a high-efficiency and brighter LED that was used in fiber telecommunications. 1981 Philips sells their first Compact Fluorescent Energy Saving Lamps, with integrated conventional ballast. 1989 CEEED Cree introduced the world's first blue LED, a landmark that paved the way for billboards and large video screens to produce full-color displays. 1991 Philips invents a fluorescent light bulb that lasts 60,000 hours. 1995 Shuji Nakamura at Nichia labs invents first white LED, which jump-starts the widespread use of LED light bulbs. 2007 Profits from the LED lighting industry rise to $5 billion annually. 2012 The LED lighting industry earns more than $14 billion. More than co 49 million LED products were installed in the U.S., saving about $675 million in annual energy costs. THE BENEFITS OF LED LIGHTING • Longer bulb life • Enhanced safety with less heat emission (no heat or burns) • Instant On reaching 100% light output in less than 1 second • Severe Service - The ability to last in a variety of severe conditions • Unaffected by the Frequency of Striking (sudden introduction of electricity "shocks") the lighting instrument • No Mercury • Directed light • Lower Energy Consumption • A Variety of Colors • And many more. In 2014, LED lighting technologies are found everywhere. Some of the most common places we see this technology is in traffic lights, automotive lights (interior and exterior), and backlighting for computers and televisions. CONNECTING WITH GLUE No matter what decade, glue has played an integral role in the manufacturing and innovation of the light bulb. A glue must provide exceptional resistance to high temperatures, chemicals, and harsh environmental conditions to help the light bulb function at its best. At H.B. Fuller we are connecting what matters. Contact us and see what we can do for you. Sources

The Light Bulb and LED, A Brief History

shared by VisualAxis on Feb 25
Discover the history of LED lighting in this H.B Fuller infographic as we study the globe’s transition from Edison’s incandescent lamp to the LED over the last 135 years. Also learn about the be...


H.B. Fuller




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