Patents by Inventor Dong-Joon Kim
Dong-Joon Kim 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: 8410497Abstract: There is provided a semiconductor light emitting device that can easily dissipate heat, improve current spreading efficiency, and reduce defects by blocking dislocations occurring when a semiconductor layer is grown to thereby increase reliability. A semiconductor light emitting device including a substrate, a light emitting structure having an n-type semiconductor layer, an active layer, and a p-type semiconductor layer sequentially laminated, and an n-type electrode and a p-type electrode formed on the n-type semiconductor layer and the p-type semiconductor layer, respectively, according to an aspect of the invention may include: a metal layer formed in the n-type semiconductor layer and contacting the n-type electrode.Type: GrantFiled: December 18, 2008Date of Patent: April 2, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sang Won Kang, Seong Ju Park, Joo Young Cho, Il Kyu Park, Yong Chun Kim, Dong Joon Kim, Jeong Tak Oh, Je Won Kim
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Patent number: 8357560Abstract: A package of a micro-electro-mechanical systems (MEMS) device includes a cap wafer, a plurality of bonding bumps formed over the cap wafer, a plurality of array bumps arrayed on an outer side of the bonding bumps, and an MEMS device wafer over which a plurality of first outer pads are formed corresponding to the array bumps, wherein the array bumps are bonded to the respective outer pads when the cap wafer and the MEMS device wafer are bonded together.Type: GrantFiled: May 18, 2009Date of Patent: January 22, 2013Assignee: Magnachip Semiconductor Ltd.Inventors: Sung-Gyu Pyo, Dong-Joon Kim
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Patent number: 8333112Abstract: Techniques for reducing the frequency split between the Coriolis-coupled modes in disc resonator gyroscopes (DRGs) by perturbing the mass distribution on the disc resonator based on an identified model are disclosed. A model-identification method of tuning a resonator comprises perturbing the mass and measuring a frequency response matrix of the resonator. The frequency response matrix includes a plurality of inputs and a plurality of outputs and the resonator has a plurality of coupled resonance modes. A reduced structural mechanics matrix model of the resonator in sensor and actuator coordinates is identified from the measured frequency response matrix and analyzed to determine generalized eigenvectors of the structural mechanics model and their variations due to selected mass perturbations which is then estimated to improve degeneracy of the plurality of coupled resonance modes based on the generalized eigenvectors of the mass and the stiffness.Type: GrantFiled: June 9, 2009Date of Patent: December 18, 2012Assignee: The Boeing CompanyInventors: David M. Schwartz, Dong-Joon Kim, Robert T. M'Closkey, A. Dorian Challoner
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Patent number: 8269242Abstract: Disclosed is a semiconductor light emitting device. The semiconductor light emitting device includes an n-type semiconductor layer, a p-type semiconductor layer, and an active layer disposed therebetween, and a surface plasmon layer disposed between the active layer and at least one of the n-type and p-type semiconductor layers, including metallic particles and an insulating material, and including a conductive via for electrical connection between the active layer and the at least one of the n-type and p-type semiconductor layers, wherein the metallic particles are enclosed by the insulating material to be insulated from the at least one of the n-type and p-type semiconductor layers. The semiconductor light emitting device can achieve enhanced emission efficiency by using surface plasmon resonance. Using the semiconductor light emitting device, the diffusion of a metal employed for surface plasmon resonance into the active layer can be minimized.Type: GrantFiled: December 1, 2009Date of Patent: September 18, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Dong Yul Lee, Seong Ju Park, Min Ki Kwon, Chu Young Cho, Chang Hee Cho, Yong Chun Kim, Seung Beom Seo, Myung Goo Cheong, Dong Joon Kim
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Patent number: 8227700Abstract: A chip includes a chip body having an upper surface on which an active surface is formed, and at least one side protrusion terminal protruding from a lateral surface of the chip body and electrically connected to the active surface. As a plurality of semiconductor chips or parts may be connected to one another on a single package, a one-chip or one-package of a package is possible and the thickness of the package can be reduced.Type: GrantFiled: April 1, 2009Date of Patent: July 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-Joon Kim
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Publication number: 20120119187Abstract: The present invention relates to a GaN based nitride based light emitting device improved in Electrostatic Discharge (ESD) tolerance (withstanding property) and a method for fabricating the same including a substrate and a V-shaped distortion structure made of an n-type nitride semiconductor layer, an active layer and a p-type nitride semiconductor layer on the substrate and formed with reference to the n-type nitride semiconductor layer.Type: ApplicationFiled: January 25, 2012Publication date: May 17, 2012Applicant: SAMSUNG LED CO., LTDInventors: Sang Won KANG, Yong Chun KIM, Dong Hyun CHO, Jeong Tak OH, Dong Joon KIM
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Patent number: 8135968Abstract: Provided is a semiconductor apparatus including a power management integrated circuit. The semiconductor apparatus includes an application processor and a voltage management integrated circuit. The application processor outputs clock information on an operation clock signal, and includes a core circuit. The voltage management integrated circuit receives the clock information from the application processor, and generates and outputs a core voltage having a voltage level corresponding to the clock information in response to the clock information. The operation clock signal is a clock signal, which has a variable frequency and is input to the core circuit of the application processor.Type: GrantFiled: March 20, 2009Date of Patent: March 13, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-joon Kim
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Patent number: 8129711Abstract: The present invention relates to a GaN based nitride based light emitting device improved in Electrostatic Discharge (ESD) tolerance (withstanding property) and a method for fabricating the same including a substrate and a V-shaped distortion structure made of an n-type nitride semiconductor layer, an active layer and a p-type nitride semiconductor layer on the substrate and formed with reference to the n-type nitride semiconductor layer.Type: GrantFiled: July 11, 2008Date of Patent: March 6, 2012Assignee: Samsung LED Co., Ltd.Inventors: Sang Won Kang, Yong Chun Kim, Dong Hyun Cho, Jeong Tak Oh, Dong Joon Kim
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Patent number: 8030640Abstract: A nitride semiconductor light emitting device includes a substrate, a first conductivity type nitride semiconductor layer disposed on the substrate and including a plurality of V-pits placed in a top surface thereof, a silicon compound formed in the vertex region of each of the V-pits, an active layer disposed on the first conductivity type nitride semiconductor layer and including depressions conforming to the shape of the plurality of V-pits, and a second conductivity type nitride semiconductor layer disposed on the active layer. The nitride semiconductor light emitting device, when receiving static electricity achieves high resistance to electrostatic discharge (ESD) since current is concentrated in the V-pits and the silicon compound placed on dislocations caused by lattice defects.Type: GrantFiled: November 13, 2009Date of Patent: October 4, 2011Assignee: Samsung LED Co., Ltd.Inventors: Jeong Tak Oh, Yong Chun Kim, Dong Joon Kim, Dong Ju Lee
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Publication number: 20110193060Abstract: A nitride-based semiconductor LED includes a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer and a p-type nitride semiconductor layer that are sequentially formed on a predetermined region of the n-type nitride semiconductor layer; a transparent electrode formed on the p-type nitride semiconductor layer; a p-electrode pad formed on the transparent electrode, the p-electrode pad being spaced from the outer edge line of the p-type nitride semiconductor layer by 50 to 200 ?m; and an n-electrode pad formed on the n-type nitride semiconductor layer.Type: ApplicationFiled: April 20, 2011Publication date: August 11, 2011Applicant: SAMSUNG LED CO., LTD.Inventors: Hyuk Min LEE, Hyun Kyung Kim, Dong Joon Kim, Hyoun Soo Shin
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Publication number: 20110192296Abstract: Provided is a screen printer including a main body in which an operation region and at least one introduction and extraction portion are formed, wherein the operation region includes an installation position of a stencil mask therein, and, through the at least one introduction and extraction portion, the stencil mask is introduced into the operation region and is extracted from the operation region to an outside of the main body; and a conveyance unit which conveys the stencil mask introduced into and disposed at the operation region to the at least one introduction and extraction portion when the stencil mask is replaced by a new stencil mask introduced through the at least one introduction and extraction portion, and conveys the new stencil mask to the operation region.Type: ApplicationFiled: February 9, 2011Publication date: August 11, 2011Applicant: SAMSUNG TECHWIN CO., LTD.Inventor: Dong-Joon KIM
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Patent number: 7994525Abstract: A nitride-based semiconductor LED includes a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer and a p-type nitride semiconductor layer that are sequentially formed on a predetermined region of the n-type nitride semiconductor layer; a transparent electrode formed on the p-type nitride semiconductor layer; a p-electrode pad formed on the transparent electrode, the p-electrode pad being spaced from the outer edge line of the p-type nitride semiconductor layer by 50 to 200 ?m; and an n-electrode pad formed on the n-type nitride semiconductor layer.Type: GrantFiled: December 14, 2010Date of Patent: August 9, 2011Assignee: Samsung LED Co., Ltd.Inventors: Hyuk Min Lee, Hyun Kyung Kim, Dong Joon Kim, Hyoun Soo Shin
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Patent number: 7977134Abstract: A nitride-based semiconductor LED includes a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer and a p-type nitride semiconductor layer that are sequentially formed on a predetermined region of the n-type nitride semiconductor layer; a transparent electrode formed on the p-type nitride semiconductor layer; a p-electrode pad formed on the transparent electrode, the p-electrode pad being spaced from the outer edge line of the p-type nitride semiconductor layer by 50 to 200 ?m; and an n-electrode pad formed on the n-type nitride semiconductor layer.Type: GrantFiled: October 6, 2006Date of Patent: July 12, 2011Assignee: Samsung LED Co., Ltd.Inventors: Hyuk Min Lee, Hyun Kyung Kim, Dong Joon Kim, Hyoun Soo Shin
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Patent number: 7948043Abstract: A package of a micro-electro-mechanical systems (MEMS) device includes a cap wafer, a plurality of bonding bumps formed over the cap wafer, a plurality of array pads arrayed on an outer side of the bonding bumps, and an MEMS device wafer bonded to an upper portion of the cap wafer in a manner to expose the array pads.Type: GrantFiled: September 22, 2009Date of Patent: May 24, 2011Assignee: MagnaChip Semiconductor Ltd.Inventors: Dong-Joon Kim, Sung-Gyu Pyo
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Publication number: 20110084305Abstract: A nitride-based semiconductor LED includes a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer and a p-type nitride semiconductor layer that are sequentially formed on a predetermined region of the n-type nitride semiconductor layer; a transparent electrode formed on the p-type nitride semiconductor layer; a p-electrode pad formed on the transparent electrode, the p-electrode pad being spaced from the outer edge line of the p-type nitride semiconductor layer by 50 to 200 ?m; and an n-electrode pad formed on the n-type nitride semiconductor layer.Type: ApplicationFiled: December 14, 2010Publication date: April 14, 2011Applicant: SAMSUNG LED CO., LTD.Inventors: Hyuk Min LEE, Hyun Kyung Kim, Dong Joon Kim, Hyoun Soo Shin
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Patent number: 7893447Abstract: A nitride-based semiconductor LED includes a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer and a p-type nitride semiconductor layer that are sequentially formed on a predetermined region of the n-type nitride semiconductor layer; a transparent electrode formed on the p-type nitride semiconductor layer; a p-electrode pad formed on the transparent electrode, the p-electrode pad being spaced from the outer edge line of the p-type nitride semiconductor layer by 50 to 200 ?m; and an n-electrode pad formed on the n-type nitride semiconductor layer.Type: GrantFiled: May 27, 2008Date of Patent: February 22, 2011Assignee: Samsung LED Co., Ltd.Inventors: Hyuk Min Lee, Hyun Kyung Kim, Dong Joon Kim, Hyoun Soo Shin
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Patent number: 7893443Abstract: Disclosed herein is a nitride-based semiconductor light-emitting device. The nitride-based semiconductor light-emitting device comprises an n-type clad layer made of n-type Alx1Iny1Ga(1-x1-y1)N (where 0?x1?1, 0?y1?1, and 0?x1+y1?1), a multiple quantum well-structured active layer made of undoped InAGa1-AN (where 0<A<1) formed on the n-type clad layer, and a p-type clad layer formed on the active layer wherein the p-type clad layer includes at least a first layer made of p-type Iny2Ga1-y2N (where 0?y2<1) formed on the active layer and a second layer made of p-type Alx3Iny3Ga(1-x3-y3)N (where 0<x3?1, 0?y3?1, and 0<x3+y3?1) formed on the first layer.Type: GrantFiled: April 26, 2006Date of Patent: February 22, 2011Assignee: Samsung LED Co,; Ltd.Inventors: Je Won Kim, Jeong Tak Oh, Dong Joon Kim, Sun Woon Kim, Jin Sub Park, Kyu Han Lee
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Publication number: 20110037086Abstract: Disclosed herein is a nitride-based semiconductor light-emitting device. The nitride-based semiconductor light-emitting device comprises an n-type clad layer made of n-type Alx1Iny1Ga(1-x1-y1)N (where 0?x1?1, 0?y1?1, and 0?x1+y1?1), a multiple quantum well-structured active layer made of undoped InAGa1-AN (where 0<A<1) formed on the n-type clad layer, and a p-type clad layer formed on the active layer wherein the p-type clad layer includes at least a first layer made of p-type Iny2Ga1-y2N (where 0?y2<1) formed on the active layer and a second layer made of p-type Alx3Iny3Ga(1-x3-y3)N (where 0<x3?1, 0?y3?1, and 0<x3+y3?1) formed on the first layer.Type: ApplicationFiled: October 25, 2010Publication date: February 17, 2011Applicant: SAMSUNG LED CO., LTD.Inventors: Je Won KIM, Jeong Tak Oh, Dong Joon Kim, Sun Woon Kim, Jin Sub Park, Kyu Han Lee
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Patent number: 7888670Abstract: There is provided a nitride semiconductor light emitting device including: an n-type semiconductor region; an active layer formed on the n-type semiconductor region; a p-type semiconductor region formed on the active layer; an n-electrode disposed in contact with the n-type semiconductor region; a p-electrode formed on the p-type semiconductor region; and at least one intermediate layer formed in at least one of the n-type semiconductor region and the p-type semiconductor region, the intermediate layer disposed above the n-electrode, wherein the intermediate layer is formed of a multi-layer structure where at least three layers with different band gaps from one another are deposited, wherein the multi-layer structure includes one of an AlGaN layer/GaN layer/InGaN layer stack and an InGaN layer/GaN layer/AlGaN layer stack.Type: GrantFiled: April 14, 2008Date of Patent: February 15, 2011Assignee: Samsung LED Co., Ltd.Inventors: Sang Heon Han, Sang Won Kang, Jeong Tak Oh, Seung Beom Seo, Dong Joon Kim, Hyun Wook Shim
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Publication number: 20100283070Abstract: There are provided a nitride semiconductor light emitting device having improved light extraction efficiency and a method of manufacturing the same. A nitride semiconductor light emitting device according to an aspect of the invention includes a light emitting lamination including first and second conductivity type nitride semiconductors and an active layer formed therebetween, first and second electrode pads electrically connected to the first and second conductivity nitride semiconductor layers, respectively, a plurality of patterns formed below the second electrode pad and having a depth reaching at least part of the first conductivity type nitride semiconductor layer, and an insulating film formed at an internal surface of the plurality of patterns to electrically insulate a region of a light emitting lamination, which is exposed through the plurality of patterns, from the second electrode pad.Type: ApplicationFiled: January 11, 2008Publication date: November 11, 2010Inventors: Sun Woon Kim, Dong Joon Kim, Dong Ju Lee