In terms of technology, LED-based lighting products have already conformed to US safety lighting standards, but their price costs are too high to spread to general household lighting, according to Power Analog Microelectronics (PAM), a developer of Class-D digital audio amplifiers and high-power LED display driver semiconductors. However, the company estimates that pricing for LED-based lighting products may fall from the present price of $10-20 to $2 within five years.
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