High modulation speed light emitting diode, modulation method and manufacturing method thereof
A kind of technology of light emitting diode, modulation method
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] Such as figure 1 , the embodiment of the present invention provides a light-emitting diode with high modulation speed, the PN junction of the light-emitting diode has a junction region, the junction region is a region of voltage drop in the light-emitting diode, and the junction region includes a double quantum well structure, The double quantum well structure includes a first quantum well and a second quantum well, the bandgap of the first quantum well...
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