2014年5月5日星期一

will mainly be used in general lighting applications

Founded in 2005, Lagotek Corporation develops residential and commercial building automation systems based upon patent pending, and company-owned intellectual property. Applications for this technology include audio, climate control, security systems, intercom systems, lighting, video monitoring, window coverings, IR control, and irrigation systems.In addition to manufacturing LED StandAlone and controlLED (dimmable) lighting products to replace fluorescent lamps, Advanced Control Technologies, Inc. (ACT) designs and manufactures powerline carrier products to control lighting and other electrical loads which include programmable transmitters, coupler/amplifiers (for multiple phase power) and receivers. ACT also designs and manufactures a family of Z-Wave home and office automation products that use radio frequency signals to control lighting and other electrical loads.

With the fast growth in LED outdoor displays and backlights, DisplaySearch forecasts that display LEDs, including 24 billion for active outdoor display and 34 billion for LCD backlights, will have a 34.7% share of the global 167 billion unit LED market in 2012, making display LEDs the largest market segment. Low-current LEDs will be the mainstream type used in large-area LCD backlights, due to cost, thermal management and luminance efficiency requirements. High-power LEDs, with a driving current higher than 350 mA (more than 1W), are not well-suited for LCD backlights due to thermal issues, and will mainly be used in general lighting applications that require high brightness.

 The penetration rate of LED backlights in notebook PCs will reach 52% in 2009, and DisplaySearch forecasts penetration will grow rapidly to 81% in 2010. In LCD TV, the penetration rate will ramp up from 3% with 3.6 million units in 2009 to 10% with 15 million units in 2010. Leading LCD TV brands including Samsung, Philips, Sharp, Sony, Toshiba, Vizio and LG are planning increased use of LED backlights starting in the second half of 2009. A driving factor is the change in LED backlight structure from direct to edge light type, which reduces the cost premium over CCFL backlights. Finally, LED backlights in desktop monitors are expected to reach 31 million units in 2012.

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