Since 2013, the LED industry has begun to pick up. The price of 5W LED lamps was 3-4 times that of the same brightness energy-saving lamps a few years ago. However, in recent years, the price of upstream chips has dropped at a rate of about 30 per year, and the cost has dropped. The price of LED terminal products is basically the same as that of energy-saving lamps, and the LED industry is expected to enter a stage of comprehensive replacement of traditional lighting products. In recent years, with the awareness of energy conservation and the increasing demand for smart product displays, the boom in the LED industry continues to rise. The industry generally expects that LED market demand is expected to maintain rapid growth within three years. As China's policies on LED lighting are introduced one after another, many export-oriented enterprises will begin to switch to the Chinese domestic market, and traditional lighting companies will also transform LED lighting. The development of the industry is also accompanied by the emergence of new technologies. High-voltage LEDs have become the focus of attention. Some even think that it will make today's low-voltage LEDs fade out of the future LED general lighting market, and high-voltage LEDs will dominate the future of LED general-purpose lighting. Mr. Zhang Lei, director of R&D at Jingtai Optoelectronics, said: The generation of high-voltage LEDs stems from the idea of ​​people going to power adapters, allowing LEDs to work directly under AC power. At present, high-voltage LEDs are divided into two types: ACHVLED and DCHVLED. The former has no power supply and needs to be driven by the mains. Under the AC drive, the current-control IC can be integrated and the power is stable. The latter has the characteristics of high voltage and low current, which can effectively reduce the power supply. Cost, improve power efficiency, suitable for high PF value power drive solutions. PCT materials are superior to existing PPA in high temperature withstand capability, reflectivity and UV irradiation. They can be used in large outdoor LED display production and have good environmental adaptability. Dr. Shao Pengrui, Director of Crystal Optoelectronics Technology, said: LED packaging technology will develop in the direction of four, namely multi-chip integration, miniaturization, intelligence and standardization. High-voltage LEDs will be the future development trend of the industry, which allows LEDs to work directly under AC power. PCT high-voltage LEDs have brought new choices to application manufacturers due to the significant reduction in light source cost, simple design of driving power supply, low cost, and easy heat dissipation. They will occupy an important place in the future general lighting market.

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