Essentially, LED light bulbs are considered an electronic product. Like refrigerators and televisions, the materials used by manufacturers directly affect the quality of the final product, and cannot be confused with ordinary light sources in this regard. Why are there so many brands and models of LED bulbs on the market? The reason is very simple, it is that the threshold is too low, and the market is hot, and installation is also very convenient. The same E27 connector can be replaced by anyone who has a ladder. It is precisely these factors that have caused the proliferation of LED bulbs.
There are many key points for selecting LED bulbs online, but most of them focus on the parameters. Here, I will add how to practically select LED bulbs.
01. W does not represent brightness
The W on the LED bulb symbol represents power, not brightness. Manufacturers use different chips and packaging technologies due to different technologies, resulting in different energy efficiency ratios. Therefore, the brightness of lamps varies with the same wattage and different brands. This is very easy to step on thunder!
02. The instructions on the packaging can only be used for reference
Currently, 90% of the LED bulbs sold on the market can only refer to the instructions on the packaging, such as the lifespan of tens of thousands of hours, which only refers to the lifespan of the grains, rather than the overall lifespan of the LED bulbs. The values of luminous flux are mostly not accurate, and even if they are correct, they are only within the range of one meter, and rapidly decay beyond one meter. Relatively speaking, only power has a higher level of reliability.
03. The brightness of LED cannot be determined by the lamp body, but by the target object
When shopping for light bulbs in the store, merchants usually put the LED into a white acrylic box, which looks very bright. In fact, many LED bulbs have insufficient energy efficiency or technology, and they quickly decay at a distance of one meter, making them only suitable for use as atmosphere lamps. So, it depends on whether the brightness of the LED light is sufficient, not just on the light source, but on the effect of the light shining on the target.
Remember this sentence, LED lights are a type of light source with high brightness but extremely low illumination. Therefore, whether choosing a light bulb or a flashlight, the focus is on how bright the target object is, rather than how bright the light itself is.
04. Temperature control effect of LED bulbs
Some studies have pointed out that LEDs begin to decay as long as they exceed 50 ℃, and it is difficult to control the temperature of LED bulbs, which stuff all components into a small space. The reason why you get what you pay for is here. Good bulbs will adopt a separate design, making it easier to control the temperature within 50 ℃. However, LED bulbs with high sales for a few yuan are definitely not feasible.