Chip of light emitting diode and preparation method of chip
A light-emitting diode and chip technology, which is applied in the direction of electrical components, circuits, semiconductor devices, etc., can solve problems such as the influence of light-emitting diode uniformity, abnormal light emission of electrode fingers, and breakdown holes in the epitaxial layer, so as to reduce breakdown holes and reduce Effects of abnormal light emission and improvement of current spreading efficiency
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[0038] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0039] figure 1 It is a structural schematic diagram of a chip of a light emitting diode provided by an embodiment of the present invention, such as figure 1 As shown, the chip includes a substrate 1 , an epitaxial layer 2 laminated on the substrate 1 , and a current blocking layer 3 , a transparent conductive layer 4 , and a passivation layer 5 sequentially laminated on the epitaxial layer 2 . The chip also includes an n-electrode 6 and a p-electrode 7 , and the epitaxial layer 2 includes an n-type layer 21 , a light-emitting layer 22 , and a p-type layer 23 stacked on the substrate 1 in sequence.
[0040] The epitaxial layer 2 has a groove 2a exposing the n-type layer 21, the n-electrode 6 is placed on the n-type layer 21, the trans...
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