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Monday, 10 August 2015

Semiconductor PN junction as impurity in the course of its work, the same impurity ionization, Eigen inspired, impurities and lattice scattering problems, so that the composite kind of flow into the number of photons and effective change. When the PN junction temperature (for example ambient temperature) rise, the PN junction impurity ionization speed, intrinsic to stimulate accelerated.

Friday, 07 August 2015

Basic structure of LED is a semiconductor PN junction. Experiment shows that when the current through the LED devices, of PN junction temperature will rise, strictly speaking, district of PN junction temperature is defined as the LED junction temperature.

Thursday, 06 August 2015

For a given LED, plus under forward bias, for example with IF=20mA after the forward current (corresponds to VF ≈ 3.4V), measured radiant flux φ =1.2lm, the LED luminous efficiency for:

Wednesday, 05 August 2015

Because most of the light from the light source are collectively referred to white light, so the light source's color temperature or color temperature that is used to refer to the degree of white light hues, with the quantity of light color.

Tuesday, 04 August 2015

1. Pure color: LED flexible led Strip with high brightness SMD LED light, it has the advantages of LED light emitting
element, light color pure, soft, glare-free. it could be used as decoration, and also be used for lighting purposes.

Monday, 11 May 2015

With led declining costs, and improve energy efficiency, the massive popularity era of led lighting is coming, LED lighting has become the hottest topic on the industry, due to the LED lighting design involves.

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