Wyndham Grand Weifang, China
How to distinguish between good and bad LED flexible strips?
by：EME LIGHTING
2021-03-22
How to distinguish between good and bad LED flexible light strips? First of all, we should start with the analysis from the following parts: FPC flexible board, LED light source
, LED glue, manufacturing technology, etc., the specific details will be introduced by the lighting factory of the LED strip manufacturer.
1. The FPC of LED flexible light bar is divided into double layer and single layer. In terms of conductivity and heat dissipation: a double-layer FPC is generally about 0.25mm thick
The thickness of the single-layer board is about 0.12MM, so everyone can understand at a glance that the double-layer FPC is definitely better than the single-layer FPC of the same material.
Since the conduction and heat dissipation area of u200bu200bthe double-layer FPC is much larger than that of the single-layer FPC, the heat generated by its own circuit is smaller than that of the single-layer FPC, and it is more critical for the heat dissipation of the light source. The heat capacity of the double-layer FPC is about the same as that of the single-layer FPC. Double can effectively dissipate the heat of the LED light source, so the light attenuation of the light source due to its own heat will be very small.
The single-layer FPC itself is easy to generate heat due to the small conductive cross-section, the circuit board is too thin, and the heat capacity is insufficient, which can not effectively dissipate the light source. In comparison, the light attenuation of the single-layer soft light bar will be softer than the double-layer plate The light bar is large.
2. Look at 'thickness': everyone just needs to compare
The thickness of FPC will find out which ones are good and which ones are bad. Of course, some manufacturers add a coating to thicken the single-layer FPC, making it impossible for consumers to distinguish.
3. Look at the 'round pit': not only depends on the thickness, you can use another method to distinguish, that is, because the double-layer FPC is a double-layer circuit, a connection circuit needs to be generated between the two layers of the board. After the hole, there will be a lot of concave round pits on the surface, but the single-layer board does not. You can see it when you take a closer look at the surface of the FPC.
, LED glue, manufacturing technology, etc., the specific details will be introduced by the lighting factory of the LED strip manufacturer.
1. The FPC of LED flexible light bar is divided into double layer and single layer. In terms of conductivity and heat dissipation: a double-layer FPC is generally about 0.25mm thick
The thickness of the single-layer board is about 0.12MM, so everyone can understand at a glance that the double-layer FPC is definitely better than the single-layer FPC of the same material.
Since the conduction and heat dissipation area of u200bu200bthe double-layer FPC is much larger than that of the single-layer FPC, the heat generated by its own circuit is smaller than that of the single-layer FPC, and it is more critical for the heat dissipation of the light source. The heat capacity of the double-layer FPC is about the same as that of the single-layer FPC. Double can effectively dissipate the heat of the LED light source, so the light attenuation of the light source due to its own heat will be very small.
The single-layer FPC itself is easy to generate heat due to the small conductive cross-section, the circuit board is too thin, and the heat capacity is insufficient, which can not effectively dissipate the light source. In comparison, the light attenuation of the single-layer soft light bar will be softer than the double-layer plate The light bar is large.
2. Look at 'thickness': everyone just needs to compare
The thickness of FPC will find out which ones are good and which ones are bad. Of course, some manufacturers add a coating to thicken the single-layer FPC, making it impossible for consumers to distinguish.
3. Look at the 'round pit': not only depends on the thickness, you can use another method to distinguish, that is, because the double-layer FPC is a double-layer circuit, a connection circuit needs to be generated between the two layers of the board. After the hole, there will be a lot of concave round pits on the surface, but the single-layer board does not. You can see it when you take a closer look at the surface of the FPC.
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