![]() ![]() Electricity enters through the positive side (anode) and exists through the negative side (cathode). On the contrary, the negative terminals are referred to as cathodes. With LEDs, these positive terminals are referred to as anodes. In general, which way is the current entering and where is it exiting? What are Anodes and Cathodes?Įvery electrical component requires positive and negative terminals in order to complete a circuit. Since this is the case, it’s crucial to know and understand the direction that it’s moving. As we discussed earlier, with LEDs, electrical current flows in one-direction. When polarity is referred to in regards to LEDs, it’s related to the flow of electricity. Most LEDs are rated for a 50,000 hour lifespan whereas fluorescent or incandescent lighting is lucky to get near 10,000 hours. Lifespan – Although LEDs may initially cost a bit more, they’ll always outlast other light sources.This is a major benefit when directly compared to incandescent lighting where over 90% of their energy is released through heat. Lack of Heat – When LEDs produce electrical energy, only a slight amount of heat is produced and most of it isn’t noticeable.The energy savings they deliver is typically always more cost-effective in the long term. Energy Efficiency – It’s mostly common knowledge that LEDs consume a fraction of energy that their counterparts do.This direction can be specified based on how the manufacturer designs them. Light Direction – While other light sources emit light in every direction, LEDs only emit in one direction.Since they’re much smaller than any other form of light, there are more useful applications for them. Size – LEDs are typically only a few millimeters wide.Here are a few reasons why consumers are now using LEDs over any other form of light source. ![]() Incandescent and Compact Fluorescent Lighting (CFL) are now often seen as a relic from the past. Over the past decade, LEDs have taken over the consumer market by storm and for good reason. They’re also widely known as rectifiers due to the fact that they change AC current into pulsating DC current. In addition, they restrict any current flowing in the opposite direction. As a result of this current, light is emitted.ĭiodes are simply a term for a component (semiconductor) that allows the flow or current in one direction. We like to think of them as a tiny light bulb containing multiple diodes with a consistently flowing electrical current. In general, this is a term used for lighting that’s only possible with a current flowing through it. LEDs are known as a semiconductor light source. Often times, you’ll see them being used for light bulbs, string lights, televisions, laptops, monitors and virtually every other electronic device under the sun. In fact, LEDs are typically seen as the “gold standard” in terms of lighting choices. Although this kind of technology has existed since the early 1960’s, LEDs are now widely used in our daily lives. cathodes is actually less complicated than it seems. Although the vocabulary may seem a bit foreign, understanding anodes vs. ![]() These terms directly relate to LED polarity and how the technology actually works. If you’ve made the commitment to learn a bit more about LED lights and how they work or you’re simply familiarizing yourself with their characteristics, you may have heard about LED anodes vs. Whether you’re an experienced tech-enthusiast or an average layman, figuring out LED terminology can be a bit overwhelming. ![]()
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