Patents by Inventor Jung Hyeok Bae
Jung Hyeok Bae has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9537056Abstract: Provided is a light emitting device. In one embodiment, a light emitting device including: a support member; a light emitting structure on the support member, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a protective member at a peripheral region of an upper surface of the support member; an electrode including an upper portion being on the first conductive type semiconductor layer, a side portion extended from the upper portion and being on a side surface of the light emitting structure, and an extended portion extended from the side portion and being on the protective member; and an insulation layer between the side surface of the light emitting structure and the electrode.Type: GrantFiled: April 10, 2014Date of Patent: January 3, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
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Patent number: 9373756Abstract: Disclosed are a light emitting device. The light emitting device includes first and second light emitting cells on a conductive support member and having a hole. The first and second light emitting cells includes first and second semiconductor layers, and an active layer. First and second conducive layers are between the first light emitting cell and the conductive support member, and a third and fourth conductive layers are between the second light emitting cell and the conductive support member. First insulating layer is between the second and fourth conductive layers and the conductive support member. Second insulating layer is disposed in the hole. The second conductive layer is electrically connected to the first light emitting cells through the hole and the third conductive layer.Type: GrantFiled: December 23, 2013Date of Patent: June 21, 2016Assignee: LG Innotek Co., Ltd.Inventors: Sang Youl Lee, Jung Hyeok Bae, Ji Hyung Moon, Jun O Song
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Patent number: 9076947Abstract: Provided is a light emitting device. The light emitting device comprises: In one embodiment, a light emitting device includes: a light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; and a conductive support member under the light emitting structure. The conductive support member comprises a first conductive support member and a second conductive support member. The second conductive support member has a thermal conductivity higher than that of the first conductive support member.Type: GrantFiled: March 31, 2014Date of Patent: July 7, 2015Assignee: LG Innotek Co., Ltd.Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
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Patent number: 9041028Abstract: Provided are a light emitting device, a method for fabricating the light emitting device, and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive type semiconductor layer, an active layer under the first conductive type semiconductor layer, and a second conductive type semiconductor layer under the active layer, a conductive support member, and a protection member on the light emitting structure. The light emitting structure has a first width and a second width. A difference between the first width and the second width defines a stepped structure or an inclined structure. The protection member is disposed on the stepped or the inclined structure defined by the difference between the first and second widths of the light emitting structure.Type: GrantFiled: February 23, 2011Date of Patent: May 26, 2015Assignee: LG INNOTEK CO., LTD.Inventors: Jung Hyeok Bae, Byung Hak Jeong, Kyung Wook Park, Chung Song Kim
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Publication number: 20140252394Abstract: Provided is a light emitting device. In one embodiment, a light emitting device including: a support member; a light emitting structure on the support member, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a protective member at a peripheral region of an upper surface of the support member; an electrode including an upper portion being on the first conductive type semiconductor layer, a side portion extended from the upper portion and being on a side surface of the light emitting structure, and an extended portion extended from the side portion and being on the protective member; and an insulation layer between the side surface of the light emitting structure and the electrode.Type: ApplicationFiled: April 10, 2014Publication date: September 11, 2014Applicant: LG INNOTEK CO., LTD.Inventors: Jung Hyeok BAE, Young Kyu JEONG, Kyung Wook PARK, Duk Hyun PARK
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Publication number: 20140209965Abstract: Provided is a light emitting device. The light emitting device comprises: In one embodiment, a light emitting device includes: a light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; and a conductive support member under the light emitting structure. The conductive support member comprises a first conductive support member and a second conductive support member. The second conductive support member has a thermal conductivity higher than that of the first conductive support member.Type: ApplicationFiled: March 31, 2014Publication date: July 31, 2014Applicant: LG Innotek Co., Ltd.Inventors: Jung Hyeok BAE, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
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Patent number: 8723213Abstract: Provided is a light emitting device. In one embodiment, a light emitting device including: a support member; a light emitting structure on the support member, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a protective member at a peripheral region of an upper surface of the support member; an electrode including an upper portion being on the first conductive type semiconductor layer, a side portion extended from the upper portion and being on a side surface of the light emitting structure, and an extended portion extended from the side portion and being on the protective member; and an insulation layer between the side surface of the light emitting structure and the electrode.Type: GrantFiled: February 18, 2011Date of Patent: May 13, 2014Assignee: LG Innotek Co., Ltd.Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
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Patent number: 8716738Abstract: A semiconductor light-emitting device includes a light emitting structure on a substrate. The light emitting structure includes a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer. A plurality of transparent layers is disposed on the light emitting structure. A metal layer is disposed between the plurality of transparent layers. An electrode is electrically connected to the metal layer and contacts a portion of the metal layer.Type: GrantFiled: July 3, 2012Date of Patent: May 6, 2014Assignee: LG Innotek Co., Ltd.Inventor: Jung Hyeok Bae
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Publication number: 20140110730Abstract: Disclosed are a light emitting device. The light emitting device includes first and second light emitting cells on a conductive support member and having a hole. The first and second light emitting cells includes first and second semiconductor layers, and an active layer. First and second conducive layers are between the first light emitting cell and the conductive support member, and a third and fourth conductive layers are between the second light emitting cell and the conductive support member. First insulating layer is between the second and fourth conductive layers and the conductive support member. Second insulating layer is disposed in the hole. The second conductive layer is electrically connected to the first light emitting cells through the hole and the third conductive layer.Type: ApplicationFiled: December 23, 2013Publication date: April 24, 2014Applicant: LG Innotek Co., Ltd.Inventors: Sang Youl LEE, Jung Hyeok BAE, Ji Hyung MOON, Jun O Song
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Patent number: 8698185Abstract: Provided are a light emitting device and a light unit. The light emitting device includes a package body including a body, a plurality of electrodes on the body, and a concave portion on at least one of the plurality of electrodes, a light emitting chip including a convex portion corresponding to the concave portion to couple and attach the concave portion to the convex portion, the light emitting chip including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer, and an adhesion layer on a bottom surface of the light emitting chip.Type: GrantFiled: February 15, 2011Date of Patent: April 15, 2014Assignee: LG Innotek Co., Ltd.Inventors: Jae Cheon Han, Jung Hyeok Bae, Young Kyu Jeong, Da Jeong Song
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Patent number: 8686453Abstract: Provided is a light emitting device. The light emitting device comprises: In one embodiment, a light emitting device includes: a light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer; and a conductive support member under the light emitting structure. The conductive support member comprises a first conductive support member and a second conductive support member. The second conductive support member has a thermal conductivity higher than that of the first conductive support member.Type: GrantFiled: January 14, 2011Date of Patent: April 1, 2014Assignee: LG Innotek Co.,, Ltd.Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
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Patent number: 8637876Abstract: Disclosed are a light emitting device and a light emitting device package having the same. The light emitting device includes a plurality of light emitting cells including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; a first electrode layer connected to the first conductive semiconductor layer of a first light emitting cell of the plural light emitting cells; a plurality of second electrode layers under the light emitting cells, a portion of the second electrode layers being connected to the first conductive semiconductor layer of an adjacent light emitting cells; a third electrode layer disposed under a last light emitting cell of the plural light emitting cells; a first electrode connected to the first electrode layer; a second electrode connected to the third electrode layer; an insulating layer around the first to third electrode layers; and a support member under the insulating layer.Type: GrantFiled: August 30, 2010Date of Patent: January 28, 2014Assignee: LG Innotek Co., Ltd.Inventors: Sang Youl Lee, Jung Hyeok Bae, Ji Hyung Moon, Juno Song
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Patent number: 8575644Abstract: Provided are a light emitting device and a light emitting device package. According to the light emitting device, a light emitting part and an electro-static discharge (ESD) protection part are disposed on a conductive support member. A connection layer electrically connects a first conducitve type semiconductor layer of the light emitting part to a second conductive type semiconductor layer of the ESD protection part. A ptrtection member is disposed on the connection layer and the ESD protection layer.Type: GrantFiled: July 27, 2011Date of Patent: November 5, 2013Assignee: LG Innotek Co., Ltd.Inventors: Hwan Hee Jeong, Sang Youl Lee, Jung Hyeok Bae, Kwang Ki Choi, June O Song
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Patent number: 8368107Abstract: A light emitting device according to the embodiment includes a conductive support member having a step portion at an outer peripheral region thereof, a protective member for filling the step portion formed at the outer peripheral region of the conductive support member, a reflective layer over the conductive support member, and a light emitting structure over the reflective layer and the protective member.Type: GrantFiled: December 17, 2010Date of Patent: February 5, 2013Assignee: LG Innotek Co., Ltd.Inventors: Jung Hyeok Bae, Young Kyu Jeong, Kyung Wook Park, Duk Hyun Park
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Publication number: 20120267677Abstract: Embodiments relate to a semiconductor light-emitting structure. The semiconductor light-emitting structure according to embodiments comprises a plurality of compound semiconductor layers; a multi-layered transparent layer on the light emitting structure comprising plurality of compound semiconductor layers and a metal layer between the transparent layers; and an electrode electrically connected to the metal layer.Type: ApplicationFiled: July 3, 2012Publication date: October 25, 2012Inventor: Jung Hyeok BAE
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Patent number: 8227823Abstract: The semiconductor light-emitting structure has a plurality of compound semiconductor layers; a current spreading layer comprising a multi-layered transparent electrode layer on the plurality of compound semiconductor layers and a metal layer between the transparent electrode layers; and a second electrode electrically connected to the current spreading layer.Type: GrantFiled: November 17, 2009Date of Patent: July 24, 2012Assignee: LG Innotek Co., Ltd.Inventor: Jung Hyeok Bae
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Publication number: 20120025249Abstract: Provided are a light emitting device and a light emitting device package. According to the light emitting device, a light emitting part and an electro-static discharge (ESD) protection part are disposed on a conductive support member. A connection layer electrically connects a first conducitve type semiconductor layer of the light emitting part to a second conductive type semiconductor layer of the ESD protection part. A ptrtection member is disposed on the connection layer and the ESD protection layer.Type: ApplicationFiled: July 27, 2011Publication date: February 2, 2012Inventors: Hwan Hee JEONG, Sang Youl Lee, Jung Hyeok Bae, Kwang Ki Choi, June O. Song
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Patent number: 8106404Abstract: Disclosed is a semiconductor light emitting device. The semiconductor light emitting device includes a plurality of compound semiconductor layers including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; a dot type conductive layer on the compound semiconductor layers; and an electrode layer on the dot type conductive layer.Type: GrantFiled: November 19, 2009Date of Patent: January 31, 2012Assignee: LG Innotek Co., Ltd.Inventor: Jung Hyeok Bae
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Publication number: 20110248301Abstract: Provided are a light emitting device, a method for fabricating the light emitting device, and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive type semiconductor layer, an active layer under the first conductive type semiconductor layer, and a second conductive type semiconductor layer under the active layer, a conductive support member, and a protection member on the light emitting structure. The light emitting structure has a first width and a second width. A difference between the first width and the second width defines a stepped structure or an inclined structure. The protection member is disposed on the stepped or the inclined structure defined by the difference between the first and second widths of the light emitting structure.Type: ApplicationFiled: February 23, 2011Publication date: October 13, 2011Inventors: Jung Hyeok BAE, Byung Hak Jeong, Kyung Wook Park, Chung Song Kim
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Publication number: 20110198659Abstract: Provided are a light emitting device and a light unit. The light emitting device includes a package body including a body, a plurality of electrodes on the body, and a concave portion on at least one of the plurality of electrodes, a light emitting chip including a convex portion corresponding to the concave portion to couple and attach the concave portion to the convex portion, the light emitting chip including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer, and an adhesion layer on a bottom surface of the light emitting chip.Type: ApplicationFiled: February 15, 2011Publication date: August 18, 2011Applicant: LG INNOTEK CO., LTD.Inventors: Jae Cheon HAN, Jung Hyeok BAE, Young Kyu JEONG, Da Jeong SONG