[Text/High-tech LED reporter Zhou Jin] On November 25th, at the 2013 Hi-Tech LED Lighting Exhibition, which was opened at the Guangzhou Poly Exhibition Hall, the aluminum electrolytic capacitor manufacturer Zhaoqing Emerald carried liquid and solid capacitor products at the high-tech LED lighting exhibition. on site.
As a kind of energy storage and filtering component, capacitor is one of the core components in the entire power supply. There is a saying in the industry that "the life of electrolytic capacitors is the life of LED driving power supplies", so the life of capacitors is the shortcoming that restricts the development of LED lighting.
Conventional liquid capacitors have defects such as poor temperature characteristics, poor electrical conductivity, large impedance, short life, and poor safety. When the temperature exceeds 125 ° C, the life will be shortened rapidly. Under the extremely low temperature conditions below -40 ° C, the liquid power supply The activity is reduced, and the electrical performance of the circuit on the circuit is also reduced.
"Liquid aluminum electrolytic capacitors are the culprit, it is the key factor that leads to the failure of LED driver circuit life." Zhang Xiaobo, deputy general manager of Emerald, said that LED drive power should reach the standard of high reliability and long life, direct for electronic components. The requirements are: electronic components with high temperature resistance, long life, high frequency and low impedance, excellent temperature characteristics and small volume.
Zhang Xiaobo believes that only the use of solid capacitors can completely solve the impact of electrolytic capacitors on the LED drive power and LED lamp life and characteristics. Solid-state capacitors rely on solid conductive polymers as electrolytes. The conductive mechanism relies on electrons for conduction, superior conductivity, superior overall performance, and no electrolyte leakage, which protects other components of the circuit.
Since 2010, Emerald has been researching and developing a new generation of conductive polymer solid capacitors. In the past few years, new solid capacitors have grown rapidly. Zhang Xiaobo said that solid capacitor sales accounted for 50% of the company's products in the next three years, five years later. Will gradually replace the liquid capacitor.
As a kind of energy storage and filtering component, capacitor is one of the core components in the entire power supply. There is a saying in the industry that "the life of electrolytic capacitors is the life of LED driving power supplies", so the life of capacitors is the shortcoming that restricts the development of LED lighting.
Conventional liquid capacitors have defects such as poor temperature characteristics, poor electrical conductivity, large impedance, short life, and poor safety. When the temperature exceeds 125 ° C, the life will be shortened rapidly. Under the extremely low temperature conditions below -40 ° C, the liquid power supply The activity is reduced, and the electrical performance of the circuit on the circuit is also reduced.
"Liquid aluminum electrolytic capacitors are the culprit, it is the key factor that leads to the failure of LED driver circuit life." Zhang Xiaobo, deputy general manager of Emerald, said that LED drive power should reach the standard of high reliability and long life, direct for electronic components. The requirements are: electronic components with high temperature resistance, long life, high frequency and low impedance, excellent temperature characteristics and small volume.
Zhang Xiaobo believes that only the use of solid capacitors can completely solve the impact of electrolytic capacitors on the LED drive power and LED lamp life and characteristics. Solid-state capacitors rely on solid conductive polymers as electrolytes. The conductive mechanism relies on electrons for conduction, superior conductivity, superior overall performance, and no electrolyte leakage, which protects other components of the circuit.
Since 2010, Emerald has been researching and developing a new generation of conductive polymer solid capacitors. In the past few years, new solid capacitors have grown rapidly. Zhang Xiaobo said that solid capacitor sales accounted for 50% of the company's products in the next three years, five years later. Will gradually replace the liquid capacitor.
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