The Structural Design Influences The Development Of LED Industry

Published:2010/11/17 0:55:00 Author:Li xiao na From:SeekIC

Price is always the obstacle for the popularization of the LED. Price decides the performance, therefore, whether the advantages and the price can be accepted by the customers is an important element to influence the market of LED. The cost reduced twenty percent every year, because the production is increasing. Meanwhile, the light efficiency should be considered into the price reduction, namely, using less money to buy better products. The ratio takes by the LED chip is fifteen percent, which is reasonable, and will be kept in the same level.

The package cost takes fifty percent of the price, which is too high; therefore, manufacturers should choose the more suitable package. The current package of Cree, Lumileds, and OSRAM does not fit the demand of design, and the cost is high. The brave innovation is the way out for the design. Most manufacturers are used to copy the package of large companies, and do not have the confidence for the innovation by themselves. COB is the mainstream of the light design, which is according to the demand of optics. The COB has reduced the cost of second optical design, so the cost of package takes twenty to thirty percent of the price.

The other cost from the package, heat radiation, structure and power source. Reducing the price of LED chip can not help so much. The economic structure is the most important. The design takes twenty percent of the price, which is comparatively high. With the development of technology, it will reduce to ten percent. The heat radiation is very simple; designers should grasp two main directions: one is the way of heat radiation should be short; second is the heat radiating resistance. The structural design is a weak chain of the LED light, which limits the development of this industry; therefore, it needs to be improved. The related integrated circuit is TA2003P.

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