Light emitting device

A light emitting device comprising:

• a light emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer disposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer;
• first and second contact electrodes disposed over the light emitting structure, the first and second contact electrodes ohmic-contacting the first and second conductive type semiconductor layers, respectively;
• an insulating layer insulating the first and second contact electrodes from each other and at least partially covering the first and second contact electrodes;
• first and second bulk electrodes disposed over the light emitting structure and the insulating layer, the first and second bulk electrodes electrically connected to the first and second contact electrodes, respectively;
• and an insulation support covering side surfaces of the first and second bulk electrodes and at least partially exposing upper surfaces of the first and second bulk electrodes, wherein the first and the second bulk electrodes are arranged to face each other and form a virtual line along a spaced region between the first and second bulk electrodes, the virtual line having a bending portion, wherein the first bulk electrode comprises multiple protrusions having an increasing width in a direction of the second bulk electrode;
• and the first bulk electrode has an area greater than that of the second bulk electrode.

A light emitting device comprising:

• a light emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer disposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer;
• first and second contact electrodes disposed on the light emitting structure, the first and second contact electrodes ohmic-contacting the first and second conductive type semiconductor layers, respectively;
• an insulating layer insulating the first and second contact electrodes from each other and at least partially covering the first and second contact electrodes;
• first and second bulk electrodes disposed over the insulating layer, the first and second bulk electrodes electrically connected to the first and second contact electrodes, respectively;
• and
• an insulation support covering side surfaces of the first and second bulk electrodes and at least partially exposing upper surfaces of the first and second bulk electrodes,
• wherein the first bulk electrode includes a first protrusion part protruding from a side surface of the first bulk electrode toward the second bulk electrode and a second protrusion part protruding from the first protrusion part,
• the second bulk electrode includes a first concave part depressed from a side surface of the second bulk electrode and a second concave part further depressed from the first concave part, and
• the second protrusion part is shaped to include at least a portion of a polygon, a circle, or an ellipse;
• wherein the second protrusion part has an inscribed circle with a center located at a central portion of the light emitting device.