Yi-liter light pipe industry to achieve new lighti

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Led led products, will not cause the junction temperature of the clear differences in these parameters, writing board which also caused the same an led light, color, electrical parameter measurement results was inconsistent.constant-current test open circuit voltage of the power can not be too high to prevent led pulse voltage by the impact of negative feedback and failure. (2) form to the human body with astatic situation in several states, from which is easy to see under the same conditions, humidity rise, reducing the electrostatic potential u, led neon sign which reduced the risk of esdlower, but stillexists, therefore, not relax static protection, to maintain good work habits.that the output from the control device to see inside, with a very low output resistance. because the led signs has a prominent "negative resistance temperature characteristics", that is, when the led work, along with junction junction temperature increases.