Abstract: Disclosed is a method for fabricating a light emitting device. The method includes forming an oxide including gallium aluminum over a gallium oxide substrate, forming a nitride including gallium aluminum over the oxide including gallium aluminum and forming a light emitting structure over the nitride including gallium aluminum.
Abstract: Disclosed herein is a rod type light emitting device and method for fabricating the same, wherein a plurality of rod structures is sequentially formed with a semiconductor layer doped with a first polarity dopant, an active layer, and a semiconductor layer doped with a second polarity dopant.
Type:
Grant
Filed:
April 15, 2011
Date of Patent:
February 18, 2014
Assignees:
LG Electronics Inc., LG Innotek Co., Ltd.
Abstract: 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:
Grant
Filed:
March 3, 2016
Date of Patent:
June 13, 2017
Assignees:
LG Electronics Inc., LG Innotek Co., Ltd.
Abstract: A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
Type:
Grant
Filed:
December 14, 2009
Date of Patent:
May 10, 2011
Assignees:
LG Innotek Co., Ltd., LG Electronics Inc.
Inventors:
Hyun Kyong Cho, Sun Kyung Kim, Jun Ho Jang
Abstract: A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
Type:
Grant
Filed:
May 7, 2007
Date of Patent:
January 26, 2010
Assignees:
LG Innotek Co., Ltd., LG Electronics Inc.
Inventors:
Hyun Kyong Cho, Sun Kyung Kim, Jun Ho Jang
Abstract: A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
Type:
Grant
Filed:
December 14, 2009
Date of Patent:
August 23, 2011
Assignees:
LG Innotek Co., Ltd., LG Electronics Inc.
Inventors:
Hyun Kyong Cho, Sun Kyung Kim, Jun Ho Jang
Abstract: A light emitting device and a method for fabricating the same are disclosed, whereby a thin mask film is changed to agglomerates by a simple thermal treatment process, and a plurality of nano openings, each opening spaced a distance apart, are formed in the agglomerates, a light emitting structure exposed to the nano openings is etched to form nano grooves and nano openings therein, enabling to enhance a light emitting area and to reduce the totally reflected light for an improvement of the light extraction efficiency.
Type:
Grant
Filed:
September 26, 2006
Date of Patent:
March 31, 2009
Assignees:
LG Electronics Inc., LG Innotek Co., Ltd.
Abstract: A method of fabricating a substrate with nano structures, light emitting device using the substrate and a manufacturing method thereof, wherein a substrate for growing a light emitting device is formed with nano agglomerations, and the substrate is etched by using the agglomerations as a mask to allow nano structures to be formed on the substrate, thereby enabling to grow a crystal defect-reduced, reliability-improved, good quality light emitting structure, and wherein the light emitting structure is formed with nano structures to enhance the light extraction efficiency.
Type:
Grant
Filed:
December 14, 2006
Date of Patent:
August 5, 2014
Assignees:
LG Electronics Inc., LG Innotek Co., Ltd.
Abstract: A rod type light emitting device and a method for fabricating the same are disclosed, wherein rods are formed of a material capable of emitting light on a first polarity layer, and a second polarity layer is formed to wrap around each of the rods, such that a light emitting area increases and the amount of light emitted to the outside without being confined within a device also increases, thereby improving the light output of the device. Further, an active layer is formed of a nano rod structure to enhance light extraction efficiency.
Type:
Grant
Filed:
May 19, 2006
Date of Patent:
May 24, 2011
Assignees:
LG Electronics Inc., LG Innotek Co., Ltd.
Abstract: 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:
Grant
Filed:
February 4, 2010
Date of Patent:
June 19, 2012
Assignees:
LG Electronics Inc., LG Innotek Co., Ltd.
Abstract: A light emitting diode (LED) having a vertical structure and a method for fabricating the same. The light emitting diode (LED) having a vertical structure includes a support layer; a first electrode formed on the support layer; a plurality of semiconductor layers formed on the first electrode; a conductive semiconductor layer formed on the plurality of semiconductor layer and provided with an outer surface having a tilt angle of a designated degree; and a second electrode formed on the conductive semiconductor layer.
Type:
Grant
Filed:
December 15, 2006
Date of Patent:
October 12, 2010
Assignees:
LG Electronics Inc., LG Innotek Co., Ltd.
Inventors:
Jong Wook Kim, Jae Wan Choi, Hyun Kyong Cho, Jong Ho Na, Jun Ho Jang
Abstract: A lead frame and a light emitting device package using the same are disclosed. More particularly, a lead frame and a light emitting device package using the lead frame which can be easily manufactured and employ a multi-chip structure. The light emitting device package includes a first frame including a heat sink, a second frame coupled to an upper side of the first frame, the second frame including at least one pair of leads and a mount formed with a hole, and a molded structure for coupling the first and second frames to each other.
Type:
Grant
Filed:
February 2, 2007
Date of Patent:
December 21, 2010
Assignees:
LG Electronics Inc., LG Innotek Co., Ltd.
Abstract: 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:
Grant
Filed:
September 11, 2007
Date of Patent:
August 3, 2010
Assignees:
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
Abstract: Disclosed is a semiconductor light emitting device. The light emitting device includes a first conductive type semiconductor layer; an active layer on the first conductive type semiconductor layer; and a first electrode pad including a plurality of reflective layers on the first conductive type semiconductor layer.
Type:
Grant
Filed:
June 15, 2009
Date of Patent:
February 12, 2013
Assignee:
LG Innotek Co., Ltd
Inventors:
Geun Ho Kim, Sung Kyoon Kim, Hee Seok Choi
Abstract: A light emitting device comprises a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, a refractive layer on the active layer, and a second conductive semiconductor layer on the refractive layer.
Abstract: Embodiments provide a light emitting device including a light emitting structure having a first conduction type semiconductor layer, an active layer, and a second conduction type semiconductor layer, a metal filter of an irregular pattern on the light emitting structure, and openings between the irregular patterns in the metal filter.
Abstract: Disclosed is a semiconductor light emitting device. The semiconductor light emitting device comprises a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer comprising a plurality of recesses on the active layer.
Abstract: A light emitting device is disclosed. The light emitting device includes a first electrode and a second electrode, which have different areas, thereby achieving enhanced bonding reliability.
Abstract: There is provided a nitride semiconductor light emitting device. The nitride semiconductor light emitting device comprises a first nitride semiconductor layer including amorphous powder, an active layer on the first nitride semiconductor layer, and a second nitride semiconductor layer on the active layer.
Abstract: Embodiments provide a semiconductor light emitting device which comprises a light emitting structure comprising a plurality of compound semiconductor layers, an insulation layer on an outer surface of the light emitting structure, an ohmic layer under the light emitting structure and on an outer surface of the insulation layer, a first electrode layer on the light emitting structure, and a tunnel barrier layer between the first electrode layer and the ohmic layer.