Search Patents
-
Publication number: 20130056789Abstract: A semiconductor light emitting device includes a conductive support member; a light emitting structure under the conductive support member; an insulating layer including a protrusion disposed along an outer circumference of the light emitting structure; an electrode layer having an outer portion on the insulating layer and an inner portion on an inner portion of a top surface of the light emitting structure; and an electrode under the light emitting structure, wherein the inner portion of the electrode layer is protruded to the light emitting structure relative to the outer portion of the electrode layer, and wherein a portion of the insulating layer surrounds a portion of the light emitting structure.Type: ApplicationFiled: November 5, 2012Publication date: March 7, 2013Applicant: LG INNOTEK CO., LTD.Inventor: LG INNOTEK CO., LTD.
-
Publication number: 20130082299Abstract: Disclosed is a light emitting device including a substrate, a light emitting structure arranged on the substrate, the light emitting structure including a first semiconductor layer, a second semiconductor layer and an active layer arranged between the first semiconductor layer and the second semiconductor layer, a first electrode electrically connected to the first semiconductor layer, and a second electrode electrically connected to the second semiconductor layer, wherein the light emitting structure has a top surface including a first side and a second side which face each other, and a third side and a fourth side which face each other.Type: ApplicationFiled: November 21, 2012Publication date: April 4, 2013Applicant: LG INNOTEK CO., LTD.Inventor: LG INNOTEK CO., LTD.
-
Publication number: 20130146935Abstract: Provided is a semiconductor light emitting device. The semiconductor light emitting device includes a light emitting structure disposed under an insulating layer having a plurality of holes. A first electrode is disposed on the insulating layer and a second electrode disposed is disposed under the light emitting structure. A conductive supporting member is disposed under the second electrode. The plurality of contact protrusions are disposed in the holes of the insulating layer and include filler connected to the first conductive semiconductor layer and disposed in the plurality of holes. The conductive supporting member physically contacts with the second electrode and has a thickness thicker than that of the insulating layer. The first electrode is located at a higher position than an entire region of the insulating layer and the insulating layer is located at a higher position than an entire region of the light emitting structure.Type: ApplicationFiled: February 4, 2013Publication date: June 13, 2013Applicant: LG INNOTEK CO., LTD.Inventor: LG INNOTEK CO., LTD.
-
Publication number: 20130049056Abstract: Provided are a light emitting device and a light unit. The light emitting device includes a light emitting structure layer comprising 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 first conductive layer having a first portion disposed under the second conductive type semiconductor layer and a second portion electrically connected to the first conductive type semiconductor layer; a second conductive layer under the second conductive type semiconductor layer and electrically connected to the second conductive type semiconductor layer; an insulation layer between the first conductive layer and the second conductive layer; and a tunnel barrier between the first portion of the first conductive layer and the second conductive layer.Type: ApplicationFiled: October 26, 2012Publication date: February 28, 2013Applicant: LG INNOTEK CO., LTD.Inventor: LG INNOTEK CO., LTD.
-
Patent number: 8729595Abstract: A light emitting device having a vertical structure and a package thereof, which are capable of damping impact generated in a substrate separation process, and achieving an improvement in mass productivity. The device and package include a sub-mount, a first-type electrode, a second-type electrode, a light emitting device, a zener diode, and a lens on the sub-mount.Type: GrantFiled: September 4, 2013Date of Patent: May 20, 2014Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Jun Ho Jang, Geun Ho Kim
-
Patent number: 9312459Abstract: A light emitting device having a vertical structure and a package thereof, which are capable of damping impact generated in a substrate separation process, and achieving an improvement in mass productivity. The device and package include a sub-mount, a first-type electrode, a second-type electrode, a light emitting device, a zener diode, and a lens on the sub-mount.Type: GrantFiled: April 8, 2014Date of Patent: April 12, 2016Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Jun Ho Jang, Geun Ho Kim
-
Publication number: 20090065797Abstract: A light emitting unit capable of widely adjusting brightness or size, and a liquid crystal display device using the same are disclosed. The light emitting unit includes a circuit board including circuit lines having a plurality of connecting members, and a plurality of unit module connected to the connecting members of the circuit board. The unit module is coupled with at least one light emitting device.Type: ApplicationFiled: August 28, 2008Publication date: March 12, 2009Applicants: LG ELECTRONICS INC., LG Innotek Co., Ltd.Inventors: Yong Suk Kim, Hoon Hur
-
Patent number: 8008646Abstract: A light emitting diode is disclosed, wherein the light extraction efficiency of a device can be enhanced by forming patterns on a substrate, a light emitting structure is formed on the substrate formed with the patterns, the substrate is removed from the light emitting structure, and patterns corresponding to those formed on the substrate are formed on the light emitting structure.Type: GrantFiled: May 18, 2007Date of Patent: August 30, 2011Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventor: See jong Leem
-
Publication number: 20140117378Abstract: A light emitting device and a method of manufacturing the same are disclosed. The light emitting device includes a buffer layer formed on a substrate, a nitride semiconductor layer including a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially stacked on the buffer layer, a portion of the first semiconductor layer being exposed to the outside by performing mesa etching from the second semiconductor layer to the portion of the first semiconductor layer, and at least one nanocone formed on the second semiconductor layer.Type: ApplicationFiled: January 6, 2014Publication date: May 1, 2014Applicants: LG Innotek Co., Ltd., LG Electronics Inc.Inventors: Jong Wook KIM, Hyun Kyong CHO, Gyu Chul YI, Sung Jin AN, Jin Kyoung YOO, Young Joon HONG
-
Publication number: 20080272382Abstract: A light emitting device and a method of manufacturing the same are disclosed. The light emitting device includes a buffer layer formed on a substrate, a nitride semiconductor layer including a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially stacked on the buffer layer, a portion of the first semiconductor layer being exposed to the outside by performing mesa etching from the second semiconductor layer to the portion of the first semiconductor layer, and at least one nanocone formed on the second semiconductor layer.Type: ApplicationFiled: February 16, 2007Publication date: November 6, 2008Applicants: LG Electronics Inc., LG INNOTEK CO., LTD.Inventors: Jong Wook Kim, Hyun Kyong Cho, Gyu Chul Yi, Sung Ji An, Jin Kyoung Yoo, Young Joon Hong
-
Patent number: 8912556Abstract: A light emitting device and a method of manufacturing the same are disclosed. The light emitting device includes a buffer layer formed on a substrate, a nitride semiconductor layer including a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially stacked on the buffer layer, a portion of the first semiconductor layer being exposed to the outside by performing mesa etching from the second semiconductor layer to the portion of the first semiconductor layer, and at least one nanocone formed on the second semiconductor layer.Type: GrantFiled: January 6, 2014Date of Patent: December 16, 2014Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Jong Wook Kim, Hyun Kyong Cho, Gyu Chul Yi, Sung Jin An, Jin Kyoung Yoo, Young Joon Hong
-
Patent number: 8004003Abstract: A light emitting device having a light extraction structure, which is capable of achieving an enhancement in light extraction efficiency and reliability, and a method for manufacturing the same. The light emitting device includes a semiconductor layer having a multi-layered structure including a light emission layer; and a light extraction structure formed on the semiconductor layer in a pattern having unit structures. Further, the wall of each of the unit structures is sloped at an angle of ?45° to +45° from a virtual vertical line being parallel to a main light emitting direction of the light emitting device.Type: GrantFiled: June 15, 2010Date of Patent: August 23, 2011Assignees: LG Electronics Inc., LG Innotek Co., LtdInventor: Sun Kyung Kim
-
Patent number: 7714341Abstract: A sub-amount for mounting a light emitting device and a light emitting device package using the sub-mount are disclosed. The light emitting device package includes a package body having a mount for mounting a light emitting device, and through holes, electrodes formed on the package body, and a reflective layer arranged on one of the electrodes formed on an upper surface of the package body. The reflective layer has openings for enabling the light emitting device to be coupled to the electrodes.Type: GrantFiled: December 5, 2006Date of Patent: May 11, 2010Assignees: LG Innotek Co., Ltd., LG Electronics Inc.Inventors: Park Chil Keun, Song Ki Chang, Kim Geun Ho, Won Yu Ho
-
Patent number: 8203162Abstract: A light emitting device having a vertical structure and a method for manufacturing the same, which are capable of damping impact generated during a substrate separation process and achieving an improvement in mass productivity, are disclosed. The light emitting device includes a semiconductor layer having a multilayer structure, a first electrode arranged at one surface of the semiconductor layer, a metal support arranged on the first electrode, and an impact damping layer arranged between the first electrode and the metal support, and made of a metal having a ductility higher than a ductility of a metal for the metal support.Type: GrantFiled: February 4, 2010Date of Patent: June 19, 2012Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Jun Ho Jang, Hyun Jae Lee
-
Patent number: 8624288Abstract: An LED having vertical topology and a method of making the same is capable of improving a luminous efficiency and reliability, and is also capable of achieving mass productivity. The method includes forming a semiconductor layer on a substrate; forming a first electrode on the semiconductor layer; forming a supporting layer on the first electrode; generating an acoustic stress wave at the interface between the substrate and semiconductor layer, thereby separating the substrate from the semiconductor layer; and forming a second electrode on the semiconductor layer exposed by the separation of the substrate.Type: GrantFiled: August 26, 2011Date of Patent: January 7, 2014Assignees: LG Electronics, Inc., LG Innotek Co., Ltd.Inventors: Jun Ho Jang, Jae Wan Choi, Duk Kyu Bae, Hyun Kyong Cho, Jong Kook Park, Sun Jung Kim, Jeong Soo Lee
-
Patent number: 8546837Abstract: A light emitting device having a vertical structure, a package thereof and a method for manufacturing the same, which are capable of damping impact generated in a substrate separation process, and achieving an improvement in mass productivity, are disclosed. The method includes growing a semiconductor layer having a multilayer structure over a substrate, forming a first electrode on the semiconductor layer, separating the substrate including the grown semiconductor layer into unit devices, bonding each of the separated unit devices on a sub-mount, separating the substrate from the semiconductor layer, and forming a second electrode on a surface of the semiconductor layer exposed in accordance with the separation of the substrate.Type: GrantFiled: April 6, 2011Date of Patent: October 1, 2013Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Jun Ho Jang, Geun ho Kim
-
Patent number: 8546838Abstract: A light emitting device package capable of achieving an enhancement in light emission efficiency and a reduction in thermal resistance, and a method for manufacturing the same are disclosed. The method includes forming a mounting hole in a first substrate, forming through holes in a second substrate, forming a metal film in the through holes, forming at least one pair of metal layers on upper and lower surfaces of the second substrate such that the metal layers are electrically connected to the metal film, bonding the first substrate to the second substrate, and mounting at least one light emitting device in the mounting hole such that the light emitting device is electrically connected to the metal layers formed on the upper surface of the second substrate.Type: GrantFiled: July 26, 2011Date of Patent: October 1, 2013Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Geun Ho Kim, Seung Yeob Lee, Yu Ho Won
-
Patent number: 7834374Abstract: An LED having vertical topology and a method of making the same is capable of improving a luminous efficiency and reliability, and is also capable of achieving mass productivity. The method includes forming a semiconductor layer on a substrate; forming a first electrode on the semiconductor layer; forming a supporting layer on the first electrode; generating an acoustic stress wave at the interface between the substrate and semiconductor layer, thereby separating the substrate from the semiconductor layer; and forming a second electrode on the semiconductor layer exposed by the separation of the substrate.Type: GrantFiled: February 20, 2007Date of Patent: November 16, 2010Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Jun Ho Jang, Jae Wan Choi, Duk Kyu Bae, Hyun Kyong Cho, Jong Kook Park, Sun Jung Kim, Jeong Soo Lee
-
Publication number: 20080149962Abstract: A light emitting device package capable of achieving an enhancement in light emission efficiency and a reduction in thermal resistance, and a method for manufacturing the same are disclosed. The method includes forming a mounting hole in a first substrate, forming through holes in a second substrate, forming a metal film in the through holes, forming at least one pair of metal layers on upper and lower surfaces of the second substrate such that the metal layers are electrically connected to the metal film, bonding the first substrate to the second substrate, and mounting at least one light emitting device in the mounting hole such that the light emitting device is electrically connected to the metal layers formed on the upper surface of the second substrate.Type: ApplicationFiled: February 15, 2007Publication date: June 26, 2008Applicants: LG Electronics Inc., LG INNOTEK CO., LTD.Inventors: Geun Ho Kim, Seung Yeob Lee, Yu Ho Won
-
Patent number: 7427145Abstract: A backlight unit including a substrate disposed thereon with conductive lines, a plurality of light emitting diodes each bonded to an upper surface of the substrate and spaced a predetermined distance apart from the substrate, and electrically connected to the conductive lines of the substrate; a transparent resin encompassing the plurality of light emitting diodes and formed on the upper surface of the substrate, and an optical transmission arrangement disposed on an upper surface of the transparent resin. Further, the arrangement includes a first layer for preventing light emitted from the light emitting diodes from being totally reflected by allowing an incident angle of the light to be less than a threshold angle, and a second layer for diffusing and emitting the light.Type: GrantFiled: May 30, 2006Date of Patent: September 23, 2008Assignees: LG Electronics Inc., LG Innotek Co., Ltd.Inventors: Jun Ho Jang, Young Joo Yee