Why is the price of LED panel lights so different? It turns out that this is the case.
Energy saving is also advocated by modern people, and LED panel light is also a representative of energy saving! What kind of LED panel light is more energy efficient?
How to choose a good LED panel lighting? The following points are for reference
1. The LED brightness is different and the price is different. LEDs used in LED panel luminaires should be suitable for Laser Class I standards.
2. LEDs with strong anti-static ability have long life and high price. Usually LEDs with anti-static greater than 700V can be used for LED panel lighting.
3. The wavelength affects the color of the LED. If the color is required to be consistent, the price will be high. It is difficult for a manufacturer without an LED spectrophotometer to produce a product 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, and the specific light-emitting angles are 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 in Japan and the United States, and the lowest in domestic production.
8. Colloid, the colloid of ordinary LED is generally epoxy resin. The price of LED with anti-ultraviolet and fire retardant is more expensive. High-quality outdoor LED panel lighting should be anti-ultraviolet and fireproof.
How are those cheap LED panel lights made?
The cost of LED panel lighting mainly includes four pieces:
Lamp beads and aluminum substrate, light guide plate and diffuser plate, outer frame and bottom plate, driving power supply, if you want to make the lowest price, you can only work hard in these four aspects.
Some lamp beads are sold for 0.03 yuan, why dare to sell them for 0.03 yuan? The gold wire in the lamp bead is replaced by copper wire, and other raw materials are replaced by inferior quality, which is unaware of consumers.
Moreover, the nominal 8W flat panel lamp has not enough lamp beads, but it may only be 5W when tested by equipment, and consumers generally do not test it. In addition, the price of raw materials keeps rising, and the price of lamp beads keeps rising.
Light guide plate---made of secondary recycled materials, about 4 yuan for a 300x300 light guide plate.
Outer frame---Use some corner aluminum or recycled aluminum, and it is as thin as paper, and the cost is about 4 yuan.
Drive power supply---Inferior drivers on the market now sell for more than 3 yuan, or even lower. I don't know how many manufacturers of LED panel lights have closed down, and those who are irresponsible for making low-quality drivers for profit Businesses make a lot of money.
