The data detected by the single LED white light on the aging board, and the data detected when the LED white light is assembled into a luminaire, is definitely a bit different. The size of this difference depends on the electrical parameters of the LED during operation and the design of the luminaire, as well as the environment in which the luminaire is used. First, choose what kind of LED lamp bead. This is very important, the quality of LED lamp beads can be said to be a very important factor. For some examples, the same is represented by a 14-mil white light-segment chip, which is made of a common epoxy resin and a white light glue and a packaged glue. The LED lamp bead is lighted in a 30 degree environment. After 1000 hours, the attenuation data is 70% light decay; if packaged with Class D low-resistance glue, the light decay is 45% in the same aging environment; if the C-type low-resistance glue is packaged, in the same aging environment , the light decay of 12 hours is 12%; if the B-type low-resistance glue is encapsulated, in the same aging environment, the light decay of thousands of hours is -3%; if the low-grade glue of type A, under the same aging environment, thousands of hours of light Decay to -6%. Why are different packaging processes leading to big differences? One of the main reasons is that LED chips are afraid of heat. Occasionally, the heat is more than one hundred degrees in a short period of time. It doesn't matter. I am afraid that if I am exposed to high temperature for a long time, it will be a great damage to the LED chip. Generally speaking, the thermal conductivity of ordinary epoxy resin is very small. Therefore, when the LED chip is lighted, the LED chip emits heat, while the ordinary epoxy resin has limited thermal conductivity, so when you are from the outside of the LED light source When the temperature of the LED holder is measured at 45 degrees, the center temperature of the chip in the LED white light may exceed 80 degrees. The temperature node of the LED is actually 80 degrees. Then, when the LED chip works in the temperature of the junction temperature, it is very tormented, which accelerates the aging of the LED light source. When the LED chip is working, the center temperature produces a high temperature of 100 degrees, and it can immediately release heat through the bracket pin 98%, thereby reducing the damage of heat. Therefore, when the LED lamp holder temperature is 60 degrees, its chip center temperature may be only 61 degrees. As can be seen from the above data, what kind of packaging technology LED lamp beads are selected directly determines the light decay of the LED lamps. PTFE Fabric With Silicone Adhesive Strong Adhesive Tape,Silicon Tapes,Silicone Fabric,PTFE Fabric With Silicone Adhesive TAIZHOU YAXING PLASTIC INDUSTRY CO., LTD , https://www.yaxingptfe.com