LED Light, the challenge of the traditional bulb(4)
LED Light ,The challenge of the traditional bulb

LED light bulbs will eventually be what we use to replace incandescent bulbs – CFLs are a temporary solution to energy-efficient lighting. The reason LEDs have not yet displaced CFLs from the market are twofold: the first generation LED bulbs had a narrow and focused light beam, and the cost of the LED bulbs was too high. 
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Recent developments in LED technology, however, have been addressing these issues. LEDs have been 'clustered' to provide more light, and mounted within diffuser lenses which spread the light across a wider area. And advancements in manufacturing technology have driven the prices down to a level where LED bulbs are more cost-effective than CFLs or incandescent bulbs. This trend is continuing, with LED bulbs being designed for more applications while the prices are going down over time.

The 'sticker shock' of the new LEDs remains a deterrent to their widespread acceptance by consumers. The following comparison charts illustrate the value of the latest LED bulbs when compared with CFLs and incandescent for overall efficiency as well as cost-effectiveness. 
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