OLED and LED – what is the difference?
Lighting technology has evolved considerably in recent decades, and there is now a wide variety of light sources. LED (Light Emitting Diode) and OLED (Organic Light Emitting Diode) lighting are two technologica...
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Lumen and watt
Lumen and Watti, how do they differ and what do they have in common? Lumen is a quantity used mainly to determine the intensity of light from a bulb. A larger lumen volume always indicates a larger amount of li...
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Why are light bulbs not made to last?
Why are light bulbs not made to last? Light bulbs last only 1 000 hours, washing machines 5 years, televisions 5 years… Things are no longer built to last. Why? For commercial reasons. It is very bad busi...
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The history of LEDs in brief
Have you ever heard the phrase “there is always room for improvement”? Well, this applies to LED development more than you might think. The history of LEDs and the evolution of LEDs has been sometim...
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