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US 9,287,465 B2Granted
Light emitting device, light emitting device package, method of manufacturing light emitting device and lighting system
AssigneeLG Innotek Co., Ltd.
InventorsKwang Ki Choi, Hwan Hee Jeong, Sang Youl Lee, June O Song
Life of this patent
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Abstract
A light emitting device according to the embodiment includes a conductive support member; a light emitting structure on the conductive support member including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer between the first and second semiconductor layers; and a protective device on the light emitting structure.
Claims20
A light emitting device comprising:
- a support electrode layer;
- a light emitting structure on the support electrode layer, the light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer between the first and second semiconductor layers;
- a protective device on the light emitting structure;
- and
- a protective member between the light emitting structure and the support electrode layer,
- wherein the protective device includes a body including first conductive dopants, a doping part including second conductive dopants disposed at an upper portion of the body,
- wherein the protective device vertically overlaps with at least one portion of the protective member, and
- wherein the active layer of the light emitting structure is disposed between the protective device and the protective member.
5 more elements
A light emitting device comprising:
- a support electrode layer;
- a light emitting structure on the support electrode layer, the light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer between the first and second semiconductor layers;
- a first electrode on a first portion of the light emitting structure;
- a protective device on a second portion of the light emitting structure, wherein the protective device includes a first part including a second type dopant and a second part including a first type dopant;
- a second electrode disposed between the light emitting structure and the support electrode layer, wherein the second electrode is electrically connected to the second conductive semiconductor layer;
- a passivation layer on a lateral side of the light emitting structure;
- a connection electrode part on the passivation layer and electrically connects the second part to the second electrode;
- and
- a protective member between the light emitting structure and the support electrode layer,
- wherein the protective device vertically overlaps with at least one portion of the protective member,
- wherein the protective device is disposed on a top surface of the light emitting structure and
- wherein the protective member is disposed on a bottom surface of the light emitting structure.
9 more elements
A light emitting device comprising:
- a support electrode layer;
- a light emitting structure on the support electrode layer, the light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer between the first and second semiconductor layers;
- a protective device on the light emitting structure;
- and
- a protective member at an outer peripheral portion of a top surface of the support electrode layer,
- wherein the protective device includes a body including a second type dopant and a doping part including a first type dopant disposed at an upper portion of the body,
- wherein the doping part of the protective device is disposed in the body of the protective device,
- wherein the body is directly disposed on a top surface of the first conductive semiconductor layer,
- wherein the second type dopant of the body is different from a dopant of the first conductive semiconductor layer, and
- wherein the active layer of the light emitting structure is disposed between the protective device and the protective member.
7 more elements
Dependencies are inferred from the claim text.