2014年3月31日星期一

LED modules in the signage industry

At present, almost all LED street lights available on the market have existing or potential problems on light distribution. Everlite pointed out that they can make sure their light distributes widely, evenly, enough light on the pavement, and keep it with very low glare. With the die casting aluminum housing and toughened grass cover, the street lights are IP65 protection degree. It can be used in all-weather application in any part of the world.Michael Keddington, co-CEO of Permlight Products, Inc., noted with this expansion, led high bay light for Signs is well positioned to meet this growing demand; Guy brings more than 10 years in the lighting industry and understands the market and its special compliance issues. He will be instrumental in managing their European customers and offering unique LED-based signage solutions.

Permlight for Signs’ strategic growth plan is to offer customers industry-leading products and service. The company has a deep patent portfolio covering critical technology issues, including thermal management for light engine modules. This technology allows the LED chip to be directly attached to an isolated metal-core printed circuit board to reduce heat generation and module size and, ultimately, total module cost.It is a leader in applying LED technology to create the brightest and most economical LED modules in the signage industry. Permlight for Signs’ mission is echoed by its proven track record of providing LED lighting systems that combine high brightness levels, low energy consumption, long lifetimes and low maintenance with competitive pricing.

HV9919 is a pulse-width managed (PWM) controller integrated circuit (IC), it has a hysteretic control function maintains its output current between a fixed minimum and maximum level at all times, ensuring that the LED current will not change, despite surges in the input conditions.Ahmed Masood, Vice President of Marketing at Supertex noted that HV9919 uses high-side current sensing and hysteretic control to accurately regulate output current, ensuring consistency and prolonging LED life. Switching frequency of up to led high bay light the use of only small inductors and capacitors in circuit design, thereby minimizing space and cost in the overall system and making it ideal for solid-state lighting applications with space constraints and lower voltage requirements.

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