2,110 views admin 2020-04-24
Some LED unit board manufacturers are competing at low prices, using cheap flame-retardant paper boards or single-sided fiber boards as the PCB circuit boards for LED lights. There is no difference in starting use, and it is easy to break due to moisture, UV damage, oxidation, etc. after about 1 year of use, causing the entire LED unit board to be scrapped. The high-quality LED display unit board uses double-sided full glass fiber PCB board, although the cost is high, but the quality is guaranteed.
2. IC device
Is the brand of IC devices consistent? What type of IC is used, and how many ICs are used, these are enough to affect the quality of the LED unit board. In order to save costs, some LED display manufacturers intentionally reduce the number of ICs when producing cell boards, or mix other brands of ICs.
3. LED lamp beads and chips:
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