A flip-chip LED chip and its manufacturing method
A LED chip and flip-chip technology, which is applied in the direction of semiconductor devices, electrical components, circuits, etc., can solve the problems of N-type pad conduction, etc., and achieve the effect of improving reliability and reducing the probability of conduction
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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] An embodiment of the present invention provides a flip-chip LED chip. figure 1 It is a schematic structural diagram of a flip-chip LED chip provided by an embodiment of the present invention. see figure 1, the flip-chip LED chip includes a substrate 10, an N-type semiconductor layer 21, an active layer 22, a P-type semiconductor layer 23, a reflective layer 30, an insulating layer 40, a P-type electrode 51, an N-type electrode 52, and an N-type pad 53 and P-type pad 54. The N-type semiconductor layer 21 , the active layer 22 and the P-type semiconductor layer 23 are sequentially stacked on the substrate 10 , and the P-type semiconductor layer 23 is provided with a groove 100 extending to the N-type semiconductor layer 21 . Th...
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