What are the main factors to consider when choosing an LED purification lamp? Today we mainly learn from the light source of the purification lamp, that is, SMD lamp beads.
1. The brightness of LED lamp beads is different and the price is different. As a user, the easiest and most direct way is to use lamps of the same power, and lamps with high brightness are better;
2. LED lamp beads with strong anti-static ability and long life, usually LED lamp beads with anti-static more than 700V can be used for LED lamps;
3. LED lamp beads with the same wavelength and the same color, it is difficult for manufacturers without LED spectrophotometer to produce products with pure color;
4. Leakage current, LED is a one-way conductive luminous body. If there is a reverse current, it is called leakage current. LEDs with large leakage current have short life and low price;
5. Lighting angle, LEDs with different uses have different light-emitting angles. The special lighting angle is more expensive;
6, life, the key to different quality is life, life is determined by light decay. Low light decay, long life and high price;
7. Chip, the illuminant of LED is a chip, and the price of different chips varies greatly. Chips in Japan and the United States are more expensive. Generally, the price of chips in Taiwan is lower than that of Japan and the United States, and the domestic ones are the lowest;
8. Colloid, the colloid of ordinary LED is generally epoxy resin, and the LED with anti-ultraviolet and fire retardant is more expensive.
At present, the theoretical life of LED chips is about 100,000 hours. If the life of components in the industry is to be matched with it, the selection of key components must be verified and managed by perfect DMT and DVT to ensure long life and product reliability requirements. Otherwise, If the life of the power supply is not enough, the life of the lamp will not be realized.
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