On February 22, the news from all parties, although the life of LED lights exceeded 50,000 hours, the price is much higher than incandescent bulbs and fluorescent lamps, although it is used for index projects, such as the countdown signal of Times Square in New York. However, there is still a long way to go before it is fully popularized. Recently, four LED manufacturers have reported good news in manufacturing and financial reports, and the US Department of Energy (DOE) has spent US$37 million on 17 LED research projects. The current high-priced LED lights are used by ordinary people. More close.
First, Philips' fourth quarter 2009 financial report pointed out that LED revenue exceeds 10% of the overall lighting business. According to Philips' own estimation, the global lighting market in 2009 is about 45 billion to 50 billion euros (about 62 billion). ~68 billion US dollars), LED's proportion is only about 6~8%, which shows that Philips' LED revenue accounts for more than the global average.
Secondly, Cree's financial performance in the second quarter of fiscal year 2010 (October-December 2009) was outstanding, surpassing analysts' expectations. Cree's revenue grew 35% to $199.5 million. One of the biggest drivers of revenue growth was the receipt of Wal-Mart orders and the switch to 650 locations for LED lighting.
Then again, Bridgelux announced that the price of LED lights will drop sharply. In 2010, there will be a chance to drop below $10, which is eight times cheaper than the current price.
The Archie brand of Seoul Semiconductor has launched the world's first LED bulb with 100 lumens per watt, claiming 25% better than competitors. Ariche said the product does not require an AC/DC rectifier to reduce the energy losses on the rectifier. (Digitimes)
Reverse Conducting Thyristor(RCT) is also called Reverse- appreciation Thyristor.The characteristic is that a diode is connected in reverse parallel between the anode and cathode of thyristor, so that the transmitting junction of anode and cathode is short-circuited.As a result of this special circuit structure, it has high voltage resistance, high temperature resistance, short turn-off time, low switching voltage and other good performance.For example, the turn-off time of the reverse thyristor is only a few microseconds, and the working frequency is dozens of KHZ, which is better than the fast thyristor (FSCR).This device is suitable for switching power supply and UPS uninterrupted power supply. One RCT can replace one thyristor and one continuous current diode respectively.
Reverse Conducting Thyristor(RCT)
Reverse Conducting Thyristor,Original Reverse Conducting Thyristor,New Reverse Conducting Thyristor,Reverse-Conducting Thyristor 2200V
YANGZHOU POSITIONING TECH CO., LTD. , http://www.yzpst.com