EL is a new light source with the follow advantages;various kinds of multiple lighting color,soft ,non-glare,flash at will,adjustable;and it is very thin (0.2mm) so that it can be inflected freely .Lastly,EL is called cold light source because there is no heat generated in using. The products have been penetrated into the various fields such as apparatus meters,advertisement,sales promotion,watch&clock manufacture,mobile phone ,toy manufacture,transportation designation,night-view in urban cities and so on.
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