Gallium nitride base high brightness high power blue green LED chip
A light-emitting diode, gallium nitride-based technology, applied in electrical components, circuits, semiconductor devices, etc. Large production costs and other issues, to achieve the effect of high power, good reliability, and increased reliability
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[0034] Refer to attached figure 1 , with figure 2 The structure of the present invention is:
[0035] The longitudinal structure of the gallium nitride series blue-green light LED in the present invention:
[0036] On the upper surface of the sapphire substrate (101), a gallium nitride buffer layer (102) is sequentially grown by MOCVD, on the buffer layer is a gallium nitride substrate replacement layer (103), on the replacement layer is an N-type nitride A gallium layer (104), an active layer (106) above the N-type gallium nitride layer, an aluminum gallium nitride (AlGaN) layer (107) above the active layer, and a P-type nitride layer on the aluminum gallium nitride layer Gallium layer (108), on the P-type gallium nitride layer (108), is heavily doped P + type gallium nitride (109). In heavily doped P + A transparent electrode layer (110) is above the type gallium nitride, and a passivation layer (111) is above the transparent electrode layer; the surface of the passiva...
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