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Positive solution: Due to the different technologies used in LED chips , the luminous efficiency of individual LEDs is also very different. At present, LED chips in the mainstream market have many different forms such as high power, medium power, low power, and COB . For example, a single-lumen output of a medium-power LED is about 45 lm, and a single lumen with a high power can reach 120 lm or more, so it is very likely that the luminous effect of one LED is the same as that of three. In terms of cost, the price of high-power chips is higher than that of medium power. Therefore, the cost performance of LED lamps is mainly determined by the performance of the components selected for them.
The light after lighting needs to carefully observe the color change of the lamp. If it is changed from yellow light to white light in a short time, or white light turns into white light with blue color, such a product should be abandoned because of this There are two possibilities for this situation: one: power problem; two: led light source selection error. In addition, the color of the lamp must be positive, and the color of the lamp is the same, that is, it does not flash. After the LED lamp is started, the heat dissipation of the product can be detected by touching the surface temperature of the product. If the temperature of the product continues to rise within 1 hour, instead of the temperature being stable for up to 30 minutes, do not select the product because of heat dissipation. , resulting in shortened product life.
If you need to purchase lamps in bulk, please contact us.WOSEN is a professional manufacturer and supplier of Led Flood Light, Led Street Light, Led Solar Light, etc. For more information, please visit https://www.wosenled.com/ or contact admin@wosenled.com or WhatsApp +86-13425434349
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.