Everything about LED
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History of LED
For more than 30 years, LED have been used in various industrial applications - but LED are much older.
The basic principles of light generation of LED.
LED in various Light Colors...
LED for general lighting
Mainly white light is used for general lighting applications. White LED with appropriate efficacies has been available for just a few years.
Though the lifetime of LED is long, it depends on various influencing factors.
Quality and Price
Quality has its price.