A light emitting diode and its manufacturing method
A technology of light-emitting diodes and manufacturing methods, which is applied to semiconductor devices, electrical components, circuits, etc., can solve the problems that the luminous efficiency of light-emitting diodes needs to be improved, and achieve the effects of increasing edge luminous efficiency, improving current expansion ability, and improving luminous efficiency
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[0024] 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.
[0025] As mentioned in the background technology, compared with light-emitting diodes made of ordinary materials, quaternary AlGaInP is a semiconductor material with a direct wide band gap. Since the light-emitting band of the material can cover the 390nm-780nm band of visible light, the quaternary AlGaInP made of this material Visible high-brightness light-emitting diodes have received more and more attention. Light-emitting diodes, especially AlGaInP (quater...
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