LED Light Bulb Purchasing Considerations
So what should you know when buying LED bulbs? The following list provides some basic guidelines:
1. While the initial cost per bulb remains high, the total lifetime cost of an LED light or bulb is actually lower than that of equivalent incandescent and CFL bulbs. Taking into account energy costs, as well as the time and resources needed to replace incandescent and CFL bulbs, an LED bulb that lasts 80,000 hours has a much lower cost of living.
2. The LEDs are diverse and, since unfortunate shoppers are very likely to find out the hard way, many types are useless for general lighting applications. The best-LED chips emit light with a color rendering index (CRI) of 85%. The CRI, by the way, is a quantitative measure of the ability of a light source to faithfully reproduce the colors of various objects compared to an ideal or natural light source. LED bulbs that use high-quality LEDs will last much longer than the novelty bulbs that many sells and 60% longer than many competitive bulbs that use lower LEDs.
3. There are many LED bulbs on the market that do not take this into account and use cheap chips so that they do not have to ventilate them, or do not ventilate their chips correctly, which significantly reduces their life.
4. While LED bulbs last much longer than conventional bulbs, carefully observe the manufacturer's claims about the life of the bulbs. The lifespan of an LED bulb should be its "half-life". LED bulbs do not burn; rather, they gradually fade away. When a seller says that an LED bulb will last 80,000 hours, it means that at that point, the chips will have reached 50% efficiency, and the bulb should be replaced.
Then, the bulb can last 100,000 hours or more, but its efficiency will have greatly degraded at that point. Using this 100,000-hour life as a point of sale is therefore misleading. While LEDs do not last forever, they will last 50-75 times longer than a comparable incandescent and 6-8 times longer than a CFL.
5. When you search the web, you will quickly find that the LED bulb market is flooded with products. Many of these bulbs are relatively cheap (less than $ 20); However, you may find that many of these LED bulbs consist of questionable materials and dubious crafts. Good LED bulbs cost more than these cheap ones because they use high-quality chips with prices firmly established by reputable manufacturers such as Cree. This means that although these LED bulbs are more expensive, they are far superior.
6. LED bulbs cannot be dimmed with traditional dimmers. LEDs require a constant current to operate. Because of this, if a standard dimming method is applied, it will flash at regular intervals, or worse, it simply will not work. To dim an LED light, a 0-10V dimming module is required to "trick" the LED into emitting less light.
7. When comparing LED bulbs, you must understand the lumens. A lumen is a standard unit that you can use to compare LED bulbs with standard bulbs, such as incandescent and halogen. Approximately, a lumen is a measure of brightness. The amount of light is important, but perhaps the most important thing is the quality of the light, that is, the light efficiency (light/watt).
8. Color temperature and beam scattering are the other key tools for comparing LED lights. Both color temperature and beam dispersion are measured in degrees. The color temperature refers to the color of the emitted light. Overall, 3000 Kelvin is warm white (closer to infrared light) and 5000 Kelvin is cold white (closer to ultraviolet light).
The cold white is brighter because it is the natural color of the LED light, while the chips that emit a warm white light require a phosphorous "filter" to "heat" the color temperature. The scattering of the beam is the angle of the light that is emitted. The lower the number, the more it resembles a "point" that is light.
1. While the initial cost per bulb remains high, the total lifetime cost of an LED light or bulb is actually lower than that of equivalent incandescent and CFL bulbs. Taking into account energy costs, as well as the time and resources needed to replace incandescent and CFL bulbs, an LED bulb that lasts 80,000 hours has a much lower cost of living.
2. The LEDs are diverse and, since unfortunate shoppers are very likely to find out the hard way, many types are useless for general lighting applications. The best-LED chips emit light with a color rendering index (CRI) of 85%. The CRI, by the way, is a quantitative measure of the ability of a light source to faithfully reproduce the colors of various objects compared to an ideal or natural light source. LED bulbs that use high-quality LEDs will last much longer than the novelty bulbs that many sells and 60% longer than many competitive bulbs that use lower LEDs.
3. There are many LED bulbs on the market that do not take this into account and use cheap chips so that they do not have to ventilate them, or do not ventilate their chips correctly, which significantly reduces their life.
4. While LED bulbs last much longer than conventional bulbs, carefully observe the manufacturer's claims about the life of the bulbs. The lifespan of an LED bulb should be its "half-life". LED bulbs do not burn; rather, they gradually fade away. When a seller says that an LED bulb will last 80,000 hours, it means that at that point, the chips will have reached 50% efficiency, and the bulb should be replaced.
Then, the bulb can last 100,000 hours or more, but its efficiency will have greatly degraded at that point. Using this 100,000-hour life as a point of sale is therefore misleading. While LEDs do not last forever, they will last 50-75 times longer than a comparable incandescent and 6-8 times longer than a CFL.
5. When you search the web, you will quickly find that the LED bulb market is flooded with products. Many of these bulbs are relatively cheap (less than $ 20); However, you may find that many of these LED bulbs consist of questionable materials and dubious crafts. Good LED bulbs cost more than these cheap ones because they use high-quality chips with prices firmly established by reputable manufacturers such as Cree. This means that although these LED bulbs are more expensive, they are far superior.
6. LED bulbs cannot be dimmed with traditional dimmers. LEDs require a constant current to operate. Because of this, if a standard dimming method is applied, it will flash at regular intervals, or worse, it simply will not work. To dim an LED light, a 0-10V dimming module is required to "trick" the LED into emitting less light.
7. When comparing LED bulbs, you must understand the lumens. A lumen is a standard unit that you can use to compare LED bulbs with standard bulbs, such as incandescent and halogen. Approximately, a lumen is a measure of brightness. The amount of light is important, but perhaps the most important thing is the quality of the light, that is, the light efficiency (light/watt).
8. Color temperature and beam scattering are the other key tools for comparing LED lights. Both color temperature and beam dispersion are measured in degrees. The color temperature refers to the color of the emitted light. Overall, 3000 Kelvin is warm white (closer to infrared light) and 5000 Kelvin is cold white (closer to ultraviolet light).
The cold white is brighter because it is the natural color of the LED light, while the chips that emit a warm white light require a phosphorous "filter" to "heat" the color temperature. The scattering of the beam is the angle of the light that is emitted. The lower the number, the more it resembles a "point" that is light.
Thanks for sharing the post.
ReplyDeleteBuy Now Led lights pakistan