EPISODE · Jun 9, 2024 · 20 MIN
124: Lumen Large
from The History of Chemistry · host Steve Cohen
Our history of LEDs continues with the entry of LEDs into commercial lighting. We talk of different ways to get white light out of LEDs, and materials for white-light LEDs. We briefly discuss color temperature because there are different kinds of white. Then we hear of the publication of an article in 2000 that consolidated thinking about home usage for LEDs, and why LEDs have advantages over other lamps. We mention ways geometrically to optimize LED construction to maximize the amount of light emitted. Finally, we note the development of second-generation emitting compounds in red, green, and blue that pushed LEDs over the finish line to make them practical for home usage.Support the showSupport my podcast at https://www.patreon.com/thehistoryofchemistryTell me how your life relates to chemistry! E-mail me at [email protected] my book, O Mg! How Chemistry Came to Be, from World Scientific Publishing, https://www.worldscientific.com/worldscibooks/10.1142/12670#t=aboutBook
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Our history of LEDs continues with the entry of LEDs into commercial lighting. We talk of different ways to get white light out of LEDs, and materials for white-light LEDs. We briefly discuss color temperature because there are different kinds of white. Then we hear of the publication of an article in 2000 that consolidated thinking about home usage for LEDs, and why LEDs have advantages over other lamps. We mention ways geometrically to optimize LED construction to maximize the amount of lig...
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124: Lumen Large
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