New COB light source for fluorescent tubes

The traditional LED fluorescent tube is generally packaged with a small and medium power TOP type light source, which has low light efficiency, high packaging cost and application cost, and complicated manufacturing process. In order to break the traditional packaging and assembly methods, Zhen Mingli introduced the TB (T5 or T8) fluorescent tube COB- AK14 package structure, COB source light efficiency up to 160Lm / W, the overall lighting efficiency of 135Lm / W; packaging cost and Low application cost; low thermal resistance and good reliability; easy to assemble and apply.
Light effect: The aluminum substrate is directly used to form a full metal and independent cup structure, and the vacuum coating technology is adopted to improve the light reflectance, thereby improving the light output efficiency of the LED and greatly improving the Lm/RMB cost performance.




Package cost and application cost: The new COB structure saves material costs such as brackets, PCB boards, solder paste, etc., reflow soldering machine cost, patch and soldering process, and the overall cost of the whole lamp will drop by about 40%.



Low thermal resistance and good reliability: the new COB heat dissipation channel is more direct, directly from the chip → solid crystal glue → aluminum substrate, while the traditional SMD light source is applied to the fluorescent tube, the thermal resistance is higher, the heat dissipation channel is from the chip → solid crystal glue → bracket → PIN foot → solder paste → aluminum substrate; and COB package structure is airtight.


Easy to assemble and apply: COB-AK47 is connected mechanically and electrically by connecting terminals. Direct card can be inserted into the lamp heat sink, as shown below:


Assembly diagram - terminal connection

Assembly drawing

LED fluorescent tubes have become a trend in indoor lighting in the 21st century and have become the mainstream in the field of lighting.

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