Chúng ta đã nói về những ưu điểm của đèn LED hiện nay, để tổng hợp các điểm sau:
Overview of LED benefits
Very long lifespan
Low power consumption
High shock resistance
No danger of burning
No start-up delay
Adjustable brightness
Wide range of colors
No pollutants
Flexible design
Easy replacement
Tuy nhiên, are there any drawbacks of LED lights?
Besides the many advantages of modern LED lamps, there are also some disadvantages, at least at first glance. Compared to the many benefits these are of little importance. But for the sake of completeness these should not be missing.
Higher purchase cost
The price for a single LED light from a brand manufacturer is often 10 $ và hơn thế nữa. Compared to the old incandescent lamps, this initially seems quite expensive. Tuy nhiên, if one considers the many advantages of LED technology, the price relativizes very quickly.
Đặc biệt, the low energy consumption and long lifespan often make the purchase price per year even lower than with the old halogen and energy-saving lamps.
Decreasing brightness
Cheap no-name LED lamps often lose their original light intensity quickly. The lamps do not break down immediately, but the brightness decreases relatively quickly. There is no problem with well-known LED lamps. Here the brightness only decreases towards the end of the specified lifespan.
Wide variety
Buying a halogen lamp was easy. This had to fit into the corresponding lamp socket and have the required wattage for the desired brightness. You didn’t have to pay attention to much more.
