World’s ‘Thinnest’ Light Bulb is here
Light bulb has travelled a long way since its invention. And now light has been derived from atom-thin strips of one of the world’s strongest materials: graphene.
According to scientists, they’ve made a flexible and transparent light source with carbon in its purest form for the first time. According to them, their discovery could also finally introduce changes in computers by making use of light in place of electronic circuits in semiconductor chips.
Columbian University engineering professor James Hone announced the findings. He said they’ve created basically the world’s thinnest light bulb. Hone co-authored a study that has been published online on Monday in Nature Nanotechnology. He and his team at Columbia and South Korean researchers conducted the study.
The market has moved in the direction of much more energy-efficient compact fluorescent lamps (CFLs) and light-emitting diodes (LEDs) since the United States and other countries have moved to stop production of Thomas Edison’s century-old incandescent.
Now, companies are coming up with new products. The Finally Light Bulb Company makes use of induction technology, when it comes to its warm-glowing super-efficient Acandescent alternative, and Alkilu has portable OLED (organic LEDs) lamps that, unlike other bulbs, don’t have a backlight.
In addition, a graphene-coated LED, which lasts longer and makes use of less energy compared to a typical LED may hit the marketplace later this year. This LED is an idea of researchers at Britain’s University of Manchester. However, it’s not a pure graphene light bulb.
According to Young Duck Kim, a postdoctoral research scientist at Columbia who led the latest work, “They’re using the graphene to increase the heat. Our study shows light emission from the graphene itself”.
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