LED lighting and LED display development process
fecha:2011-06-13 15:08
estado:para resolver
pregunta:admin
ns for a variety of signals, logos, digital display, and gradually developed into a small LED display, etc. . 1991, MOCVD epitaxial growth of the industrys use of quaternary materials, the development of high-brightness light-emitting diode; in 1994, developed the GaN substrate first blue light-emitting diodes; 1997 phosphor excited by blue light, make a first White LED; 2001 ANNUAL made a white UV excitation phosphor LED.
High-brightness light emitting diodes as a light source has graduall
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