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LED Energy-saving Design
AD Commercial Group Co.,Limited | Updated: Jun 04, 2015

Application, LED energy-saving theory


(A) the LED structure


LED the Chinese known as LEDs, made of various compounds such as nitrogen and phosphorus, arsenic, diode, and when the electron and hole complex is able to radiate visible light. LED lamp, its core part is being fixed in the wedge-shaped brackets on a semiconductor chip and the wedge-shaped brackets under the two side to supply cathode, one end plugged in the cathode lead.


Semiconductor chip is composed of three parts:


(1) P-type semiconductor components, namely, the components are welded on top of the powered anode lead frame;


(2) N-type semiconductor components, namely, the components are welded on top of the powered anode lead frame;


(3) PN section, that is p-type and n-type semiconductor component semiconductor transition layer between the components. In addition, using molecule contains two or more epoxy, epoxy groups closed for the above three parts, which LED lights may be formed.


(B) the principle of LED light


LED actually belong to semiconductor diodes, rely on it to achieve the conversion of electrical energy to light energy. LEDs also have ordinary one-way electric conductivity of diode. When the forward voltage after the introduction of light-emitting diodes, injected from p to n holes with n into p-electronic, in the vicinity of PN junction within a few microns respectively with n electrons and p-holes of composite, then it would appear the spontaneous emission of fluorescence. Special note of is semiconductor material different, its electronic and hole by at of energy state exists larger differences, which electronic and hole composite Shi release out energy of how many and issued of light of wavelength rendering negative correlation, that electronic and hole composite Shi release out of energy more less, is issued of light of wavelength more long; instead electronic and hole composite Shi release out of energy more more, is issued of light of wavelength more short.


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