LED chip and preparation method thereof
An LED chip, N-type technology, applied in electrical components, electro-solid devices, circuits, etc., can solve problems such as threats and damage to electronic components, and achieve the effect of improving reliability and enhancing ESD resistance.
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[0037] The present invention will be described in detail below in conjunction with the specific embodiments shown in the drawings. However, these embodiments do not limit the present invention, and the structural, method, or functional changes made by those skilled in the art based on these embodiments are all included in the protection scope of the present invention.
[0038] Such as figure 1 Shown is a schematic diagram of an LED chip according to an embodiment of the present invention.
[0039] The LED chip 100 includes a substrate 10, and the substrate 10 includes a middle area 101 and an edge area 102.
[0040] The intermediate region 101 includes a first N-type GaN layer 11a, a first MQW active layer 12a, and a first P-type GaN layer 13a in order from bottom to top.
[0041] The edge region 102 sequentially includes a second N-type GaN layer 11b, a second MQW active layer 12b, and a second P-type GaN layer 13b from bottom to top.
[0042] Among them, the first P-type GaN layer 13...
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