Semiconductor light-emitting diode chip
A technology of light-emitting diodes and semiconductors, applied in the direction of semiconductor devices, electrical solid devices, electrical components, etc., can solve the problems of low chip brightness, pad adhesion, etc., and achieve the goal of increasing area, increasing adhesion, and improving reliability Effect
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[0018] Such as figure 1 , 2 , 3 shown: on the narrow side L (such as image 3 As shown) on a rectangular substrate 001 less than 300um, an N-type semiconductor layer 002, a light-emitting composite layer 003 and a P-type semiconductor layer 004 are arranged in sequence, and the N-type semiconductor layer 002 is exposed in the middle of the P-type semiconductor layer 004 by etching. P pads 101 a and N pads 102 a are respectively provided on the P-type semiconductor layer 004 on both sides of the rectangular substrate 001 .
[0019] Patterned current spreading layers 200a and 200b are respectively disposed on the P-type semiconductor layer 004 corresponding to the P pad 101a and the N pad 102a, and the electrical insulating layer 201 is respectively disposed on the patterned current spreading layers 200a and 200b.
[0020] Reflectors 211 are respectively provided on the back of the P pad 101a and the back of the N pad 102a.
[0021] The P pads 101a are electrically connected ...
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