Seoul Viosys Co., Ltd.

Mae Yi Kim

Yeo Jin Yoon

Seom Geun Lee

Jong Kyu Kim

Jin Young Lee

Se Hee Oh

Yong Woo Ryu

Jae Kwon Kim

Myoung Hak Yang

Keum Ju Lee

Hyun Haeng Lee

A light emitting diode is provided to comprises: a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.

Light emitting diode

A light emitting diode including a first light emitting cell and a second light emitting cell separated from each other on a substrate, a first transparent electrode layer electrically connected to the first light emitting cell, an interconnection electrically connecting the first light emitting cell to the second light emitting cell, and a first insulation layer. The first transparent electrode layer is disposed on an upper surface of the first light emitting cell and partially covers a side surface of the first light emitting cell. The first insulation layer separates the first transparent electrode layer from the side surface of the first light emitting cell, and includes an opening to expose a lower semiconductor layer of the first light emitting cell.

A light emitting diode includes a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.

A light emitting diode including a first semiconductor layer and a plurality of mesas including a second semiconductor layer and an active layer interposed between the first semiconductor layer and the second semiconductor layer, the first semiconductor layer including an exposed region between the plurality of mesas, a current blocking layer disposed on a portion of the plurality of mesas and a portion of the exposed region, a transparent electrode layer covering the second semiconductor layer and the current blocking layer, and a second electrode disposed on the current blocking layer and the transparent electrode layer and electrically connected to the second semiconductor layer. The current blocking layer includes a connecting portion extending from a first mesa to a second mesa adjacent to the first mesa and a protruding portion protruding from the connecting portion and disposed on the exposed region.

Light emitting diode having improved current spreading efficiency, improved mechanical reliability, or some combination thereof

A light emitting diode including a first light emitting cell and a second light emitting cell separated from each other on a substrate, a first transparent electrode layer electrically connected to the first light emitting cell, an interconnection electrically connecting the first light emitting cell to the second light emitting cell, and a first insulation layer disposed on the first and second light emitting cells. The first transparent electrode layer is disposed on an upper surface of the first light emitting cell and partially covers a side surface of the first light emitting cell. The first insulation layer separates the first transparent electrode layer from the side surface of the first light emitting cell.

A light emitting diode including a first light emitting cell and a second light emitting cell disposed on a substrate and spaced apart from each other to expose a surface of the substrate, a first transparent layer disposed on and electrically connected to the first light emitting cell, first connection section disposed on a portion of the first light emitting cell, a second connection section disposed on a portion of the second light emitting cell, a first interconnection and a second interconnection electrically connecting the first light emitting cell and the second light emitting cell, and an insulation layer disposed between the first and second interconnections and a side surface of the first light emitting cell.

An exemplary light emitting diode includes a substrate; a first light emitting cell and a second light emitting cell disposed over the substrate and separated from each other; and an interconnection electrically connecting the first light emitting cell to the second light emitting cell. Each of the first and second light emitting cells includes a first conductive-type semiconductor layer, a second conductive-type semiconductor layer disposed over the first conductive-type semiconductor layer, and an active layer disposed between the first conductive-type semiconductor layer and the second conductive-type semiconductor layer. At least one of the first light emitting cell and the second light emitting cell includes a side surface inclined with respect to the substrate. The side surface includes a first inclined portion forming an acute angle with respect to the substrate, a second inclined portion forming an obtuse angle with respect to the substrate, and an inclination discontinuity section.

Light emitting diode and method of fabricating the same

A light emitting diode includes light emitting cells disposed on a substrate and interconnections connecting the light emitting cells to each other. Each of the light emitting cells includes a first semiconductor layer, a second semiconductor layer, an active layer disposed between the first semiconductor layer and the second semiconductor layer, and a transparent electrode layer disposed on the second semiconductor layer, wherein the first and second semiconductor layers have different conductivity types. The interconnections include a common cathode commonly connecting first and second light emitting cells of the light emitting cells, the first and second light emitting cells share the first semiconductor layer, the transparent electrode layer is continuously disposed between the first and second light emitting cells, and the common cathode is electrically connected to the first and second light emitting cells through the transparent electrode layer.

An exemplary embodiment discloses a light emitting diode including a first light emitting cell and a second light emitting cell disposed on a substrate, the first light emitting cell and the second light emitting cell being spaced apart from each other. The light emitting diode also includes a first zinc oxide (ZnO) layer disposed on the first light emitting cell, the first ZnO layer being electrically connected to the first light emitting cell. The light emitting diode also includes a current blocking layer disposed between a portion of the first light emitting cell and the first ZnO layer, an interconnection electrically connecting the first light emitting cell and the second light emitting cell, and an insulation layer disposed between the interconnection and a side surface of the first light emitting cell. The current blocking layer and a first side of insulation layer are connected to each other.

Exemplary embodiments of the present invention provide a light emitting diode including a first light emitting cell and a second light emitting cell disposed on a substrate and spaced apart from each other, a first transparent electrode layer disposed on the first light emitting cell and electrically connected to the first light emitting cell, a current blocking layer disposed between a portion of the first light emitting cell and the first transparent electrode layer, an interconnection electrically connecting the first light emitting cell and the second light emitting cell, and an insulation layer disposed between the interconnection and a side surface of the first light emitting cell. The current blocking layer and the insulation layer are connected to each other.

Growing community of inventors

Ansan-si, South Korea

Mae Yi Kim