Lighting. Friday , September 21st , 2018 - 19:39:48 PM
LED lights are a low-energy option for mains-powered lights. These eco-friendly products do not use mercury in their production and can last up to 100 times longer than incandescent globes. Although the initial cost is currently substantially higher than that of incandescent globes, as technology improves and demand grows, the number of manufacturers will grow and increase competitiveness and so prices will begin to drop to more affordable levels.
Technology has evolved rapidly in the lighting industry over recent years and shows no signs of abating. With the continued legislation against inefficient light bulbs and consumers looking to make savings, energy efficient bulbs will be the way forward. LED, CFL and halogen energy savers are the main options and each type has a role to play depending on the situation and lighting requirements. Always make sure to buy good quality lighting from a trustworthy company and avoid those out to make a quick profit, especially where LED is concerned. Finally, remember when choosing light bulbs an energy saving calculator is the best way to compare technologies.
LEDs produce light by the process of Electroluminescence. This is the phenomenon where by light is emitted from a material when an electrical current is passed through it. An LED chip is made from a material doped with 'impurities' to create a p-n junction between two types of semiconductors and electron holes. Electrons can only flow one way across the junction and as they do they fill electron holes causing their energy level drops and the release of photons (light).
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