Electronic device and manufacture method thereof
An electronic device can include a first pad, a first detection pad, a second pad and an electronic component. The first detection pad and the first pad can be separated from one another. The electronic component can include a first electrode and a second electrode. The first electrode can be coupled to the first pad and the first detection pad, and the second electrode can be coupled to the second pad.
1 . An electronic device comprising:
a substrate;
a first pad formed on the substrate;
a first detection pad formed on the substrate and separated from the first pad;
a second pad formed on the substrate; and
an electronic component comprising:
a light-emitting unit;
a first electrode coupled to the light-emitting unit; and
a second electrode coupled to the light-emitting unit, wherein the first electrode is directly coupled to the first pad and the first detection pad, and the second electrode is coupled to the second pad.
2 . The electronic device of claim 1 , further comprising a second detection pad separated from the second pad, wherein the second electrode is further coupled to the second detection pad.
3 . The electronic device of claim 1 , further comprising a third spare pad, a fourth spare pad, a third detection pad, and a spare electronic component, wherein the spare electronic component comprises a third electrode and a fourth electrode, the third spare pad is separated from the third detection pad, the third electrode is coupled to the third spare pad and the third detection pad, and the fourth electrode is coupled to the fourth spare pad.
4 . The electronic device of claim 3 , further comprising a first fuse and a second fuse, wherein the first fuse is electrically connected to the first pad, and the second fuse is electrically connected to the first detection pad and the third detection pad.
5 . The electronic device of claim 4 , further comprising a signal line electrically connected to a node between the second fuse and the third detection pad.
6 . A method for manufacturing an electronic device, comprising:
providing a substrate;
forming a first pad, a first detection pad and a second pad on the substrate, wherein the first detection pad is separated from the first pad;
disposing an electronic component on the substrate, wherein the electronic component comprises a light-emitting unit, a first electrode coupled to the light-emitting unit, and a second electrode coupled to the light-emitting unit;
coupling directly the first electrode to the first pad and the first detection pad; and
coupling the second electrode to the second pad.
7 . The method of claim 6 , further comprising:
forming a third spare pad, a fourth spare pad, a third detection pad, a first fuse and a second fuse on the substrate, wherein the third spare pad is separated from the third detection pad, the first fuse is electrically connected to the first pad, and the second fuse is electrically connected to the first detection pad and the third detection pad;
checking whether the electronic component is properly coupled;
if the electronic component is improperly coupled, disposing a spare electronic component on the substrate; and
coupling the spare electronic component to the third spare pad, the fourth spare pad and the third detection pad.
8 . The method of claim 7 , further comprising providing an external voltage to a node between the second fuse and the third detection pad.