LIGHT EMITTING ELEMENT WITH A PLURALITY OF CELLS BONDED, METHOD OF MANUFACTURING THE SAME, AND LIGHT EMITTING DEVICE USING THE SAME
The present invention relates to a light emitting device, including a conductive substrate, vertical light emitting cells arranged on the conductive substrate, an insulating layer interposed between the conductive substrate and the vertical light emitting cells, and a wire electrically connecting the vertical light emitting cells.
1 . A light emitting device, comprising:
a conductive substrate;
vertical light emitting cells arranged on the conductive substrate;
an insulating layer arranged between the conductive substrate and the vertical light emitting cells; and
a wire electrically connecting the vertical light emitting cells.
2 . The light emitting device of claim 1 , wherein the conductive substrate comprises silicon or a semiconductor.
3 . The light emitting device of claim 1 , wherein each of the vertical light emitting cells comprises a P-GaN layer, an active layer, and an N-GaN layer.
4 . The light emitting device of claim 1 , further comprising a first electrode pad arranged on each of the vertical light emitting cells.
5 . The light emitting device of claim 4 , wherein the vertical light emitting cells are electrically connected through the first electrode pads.
6 . The light emitting device of claim 4 , further comprising a second electrode pad, the first electrode pad and the second electrode pad being arranged on an upper surface and a lower surface of the vertical light emitting cell, respectively.
7 . The light emitting device of claim 6 , further comprising an insulation film arranged between adjacent second electrode pads, the insulation film being arranged on the conductive substrate.
8 . The light emitting device of claim 1 , further comprising a terminal electrode arranged on one of the vertical light emitting cells located at an end region of the light emitting device.
9 . The light emitting device of claim 1 , wherein the wire comprises a bridge wiring.
10 . The light emitting device of claim 1 , wherein the wire comprises a conductive material.
11 . The light emitting device of claim 10 , wherein the conductive material comprises gold.