LED Lighting
Date:2011-05-16 11:56
Status:Be resolved
Question:admin
etween the conduction band, medium band near the middle) to capture, and then with the hole recombination, the energy released each time is not, can not form a visible light. The amount of light relative to the composite light-emitting compound of the proportion of non-larger, higher quantum efficiency. Since minority carrier diffusion zone compound is light, so light only in the PN junction near the surface within a few m generated. Theory and Practice shows that the peak wavelength of light e
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