Patents by Inventor Si-hyung Lee
Si-hyung Lee 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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Publication number: 20190393347Abstract: A semiconductor device includes a plurality of active fins on a substrate, a gate electrode intersecting the plurality of active fins, and a source/drain region on the plurality of active fins, extending on a first side and a second side of the gate electrode. The source/drain region includes lower epitaxial layers on ones of the plurality of active fins. The lower epitaxial layers include germanium (Ge) having a first concentration. An upper epitaxial layer is on the lower epitaxial layers, and includes germanium (Ge) having a second concentration that is higher than the first concentration. The lower epitaxial layers have convex upper surfaces, and are connected to each other between the active fins.Type: ApplicationFiled: December 7, 2018Publication date: December 26, 2019Inventors: DONG WOO KIM, Do Hee Kim, Hyo Jin Kim, Kang Hun Moon, Si Hyung Lee
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Publication number: 20190322750Abstract: Disclosed are an antibody to human programmed cell death-ligand 1 (PD-L1) or an antigen-binding fragment thereof, a nucleic acid encoding the same, a vector including the nucleic acid, a cell transformed with the vector, a method for producing the antibody or an antigen-binding fragment thereof, and a composition for preventing or treating cancer or infectious diseases containing the same.Type: ApplicationFiled: August 7, 2017Publication date: October 24, 2019Applicant: Y-BIOLOGICS INC.Inventors: Jae Eun Park, Soo A Choi, Jisu Lee, Hyun Mi Lee, Si Hyung Lee, Gi Sun Baek, Yeung Chul Kim, Bum-chan Park, Jung Chae Lim, Young-Gyu Cho, Young Woo Park
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Publication number: 20190248900Abstract: Disclosed are an antibody to human programmed cell death 1 (PD-1) or an antigen-binding fragment thereof, a nucleic acid encoding the same, a vector including the nucleic acid, an isolated cell transformed with the vector, a method for producing the antibody or an antigen-binding fragment thereof, and a composition for preventing or treating cancer containing the same. The novel antibody binding to PD-1 or an antigen-binding fragment thereof can bind to PD-1 and inhibit the activity of PD-1, thus being useful for the development of immunotherapeutic agents for various diseases associated with PD-1.Type: ApplicationFiled: August 7, 2017Publication date: August 15, 2019Inventors: Jae Eun Park, Soo Young Kim, Hyun Mi Lee, Si Hyung Lee, Hyun Kyung Lee, Hye-Nan Kim, Jin Chul Youn, Bum-chan Park, Jung Chae Lim, Young-Gyu Cho, Young Woo Park
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Publication number: 20190198639Abstract: A semiconductor device includes a substrate, a gate electrode on the substrate, a gate spacer on a sidewall of the gate electrode, an active pattern penetrating the gate electrode and the gate spacer, and an epitaxial pattern contacting the active pattern and the gate spacer. The gate electrode extends in a first direction. The gate spacer includes a semiconductor material layer. The active pattern extends in a second direction crossing the first direction.Type: ApplicationFiled: July 17, 2018Publication date: June 27, 2019Inventors: Jin Bum KIM, MunHyeon KIM, Hyoung Sub KIM, Tae Jin PARK, Kwan Heum LEE, Chang Woo NOH, Maria TOLEDANO LU QUE, Hong Bae PARK, Si Hyung LEE, Sung Man WHANG
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Patent number: 10193489Abstract: A motor drive system for controlling operation of an electric machine is described. An inverter includes paired power transistors that are electrically connected to the electric machine, wherein the inverter is electrically connected to a DC power source via a high-voltage electrical power bus. A motor controller includes a first controller and an acoustic signal generator, wherein the first controller is disposed to control the paired power transistors of the inverter. The first controller determines an initial output voltage based upon a torque command and the acoustic signal generator is disposed to generate a sound injection voltage. The motor controller combines the initial output voltage and the sound injection voltage. The motor controller generates PWM commands to control the paired power transistors of the inverter, wherein the PWM commands are determined based upon the initial output voltage and the sound injection voltage.Type: GrantFiled: June 9, 2017Date of Patent: January 29, 2019Assignee: GM Global Technology Operations LLCInventors: Yo Chan Son, Si-hyung Lee, Aayush Gupta
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Publication number: 20190019645Abstract: Disclosed is a relay device including a stator having first and second stationary contact points spaced apart from each other; a movable element provided so as to be movable in a first direction toward the stator and in a second direction away from the stator, the movable element being electrically connected with the stator by making contact with the first and second stationary contact points; and an actuator for moving the movable element in the first or second direction, wherein the movable element includes: a first movable part having a first contact surface formed thereon, which can make contact with the first stationary contact point; and a second movable part having second and third contact surfaces formed thereon, which can make contact with the second stationary contact point, wherein the second and third contact surfaces make contact with the second stationary contact point at different positions.Type: ApplicationFiled: September 9, 2016Publication date: January 17, 2019Inventor: Si-Hyung LEE
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Publication number: 20180358916Abstract: A motor drive system for controlling operation of an electric machine is described. An inverter includes paired power transistors that are electrically connected to the electric machine, wherein the inverter is electrically connected to a DC power source via a high-voltage electrical power bus. A motor controller includes a first controller and an acoustic signal generator, wherein the first controller is disposed to control the paired power transistors of the inverter. The first controller determines an initial output voltage based upon a torque command and the acoustic signal generator is disposed to generate a sound injection voltage. The motor controller combines the initial output voltage and the sound injection voltage. The motor controller generates PWM commands to control the paired power transistors of the inverter, wherein the PWM commands are determined based upon the initial output voltage and the sound injection voltage.Type: ApplicationFiled: June 9, 2017Publication date: December 13, 2018Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yo Chan Son, Si-hyung Lee, Aayush Gupta
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Patent number: 9972717Abstract: A semiconductor device and a method of fabricating the same are provided. The semiconductor device comprises a first multi-channel active pattern which is defined by a field insulating layer, extends along a first direction, and includes a first portion and a second portion; a gate electrode which extends along a second direction different from the first direction and is formed on the first portion; and a first source/drain region which is formed around the second portion protruding further upward than a top surface of the field insulating layer and contacts the field insulating layer, wherein the second portion is disposed on both sides of the first portion in the first direction and is more recessed than the first portion, a top surface of the first portion and a top surface of the second portion protrude further upward than the top surface of the field insulating layer, and a profile of sidewalls of the second portion is continuous.Type: GrantFiled: August 4, 2016Date of Patent: May 15, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Yeong-Jong Jeong, Jeong-Yun Lee, Geo-Myung Shin, Dong-Suk Shin, Si-Hyung Lee, Seo-Jin Jeong
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Patent number: 9647879Abstract: Provided are a network backup device and a network system. The network backup device includes a first connector configured to connect with one or more ports of a first network equipment, a second connector configured to connect with one or more second network equipment, a third connector configured to connect with a third network equipment, a switching module configured to aggregate data transmitted from the second connector, transfer the aggregated data to the third connector, and distribute data transmitted from the third connector to the second connector, and a switch configured to, in response to a fault occurring in a port of the first network equipment, switch from a connection between the second connector and the faulty port of the first network equipment to a connection between the second connector and the switching module.Type: GrantFiled: September 5, 2013Date of Patent: May 9, 2017Assignee: Samsung SDS Co., Ltd.Inventors: Gun Il Shin, Jae Chul Kim, Seung Jae Lee, Ki Hyun Ahn, Si Hyung Lee
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Publication number: 20160343859Abstract: A semiconductor device and a method of fabricating the same are provided. The semiconductor device comprises a first multi-channel active pattern which is defined by a field insulating layer, extends along a first direction, and includes a first portion and a second portion; a gate electrode which extends along a second direction different from the first direction and is formed on the first portion; and a first source/drain region which is formed around the second portion protruding further upward than a top surface of the field insulating layer and contacts the field insulating layer, wherein the second portion is disposed on both sides of the first portion in the first direction and is more recessed than the first portion, a top surface of the first portion and a top surface of the second portion protrude further upward than the top surface of the field insulating layer, and a profile of sidewalls of the second portion is continuous.Type: ApplicationFiled: August 4, 2016Publication date: November 24, 2016Applicant: Samsung Electronics Co., Ltd.Inventors: Yeong-Jong JEONG, Jeong-Yun Lee, Geo-Myung Shin, Dong-Suk Shin, Si-Hyung Lee, Seo-Jin Jeong
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Patent number: 9431478Abstract: A semiconductor device includes a first multi-channel active pattern defined by a field insulating layer and extending along a first direction, the first multi-channel active pattern including a first portion having a top surface protruding further in an upward direction than a top surface of the field insulating layer and a second portion on both sides of the first portion, the second portion having sidewalls with a continuous profile and a top surface protruding further in the upward direction than the top surface of the field insulating layer and protruding in the upward direction less than the top surface of the first portion, a gate electrode on the first portion of the first multi-channel active pattern and extending along a second direction different from the first direction, and a first source/drain region on the second portion of the first multi-channel active pattern and contacting the field insulating layer.Type: GrantFiled: January 20, 2015Date of Patent: August 30, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Yeong-Jong Jeong, Jeong-Yun Lee, Geo-Myung Shin, Dong-Suk Shin, Si-Hyung Lee, Seo-Jin Jeong
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Publication number: 20160141381Abstract: Semiconductor devices and methods for fabricating the same are provided. The semiconductor devices include a fin active pattern formed to project from a substrate, a gate electrode formed to cross the fin active pattern on the substrate, a gate spacer formed on a side wall of the gate electrode and having a low dielectric constant and an elevated source/drain formed on both sides of the gate electrode on the fin active pattern. The gate spacer includes first, second and third spacers that sequentially come in contact with each other in a direction in which the gate spacer goes out from the gate electrode, and a carbon concentration of the second spacer is lower than carbon concentrations of the first and third spacers.Type: ApplicationFiled: August 3, 2015Publication date: May 19, 2016Inventors: Kook-Tae KIM, Ho-Sung Son, Geo-Myung Shin, Dong-Suk Shin, Si-Hyung Lee, Ji-Hye Yi, Sung-Hoon Jung, Yeong-Jong Jeong
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Patent number: 9263521Abstract: Integrated circuit devices including Fin field effect transistors (finFETs) and methods of forming those devices are provided. The methods may include forming a fin on a substrate and forming a gate line on the fin. The method may also include forming a first recess in the fin having a first width and a first depth and forming a second recess in the first recess having a second width that is less than the first width and having a second depth that is greater than the first depth. The method may further include forming a source/drain region in the first and second recesses.Type: GrantFiled: May 15, 2015Date of Patent: February 16, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Yeong-Jong Jeong, Jeong-Yun Lee, Shi Li Quan, Dong-Suk Shin, Si-Hyung Lee
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Publication number: 20150318399Abstract: A semiconductor device includes a first multi-channel active pattern defined by a field insulating layer and extending along a first direction, the first multi-channel active pattern including a first portion having a top surface protruding further in an upward direction than a top surface of the field insulating layer and a second portion on both sides of the first portion, the second portion having sidewalls with a continuous profile and a top surface protruding further in the upward direction than the top surface of the field insulating layer and protruding in the upward direction less than the top surface of the first portion, a gate electrode on the first portion of the first multi-channel active pattern and extending along a second direction different from the first direction, and a first source/drain region on the second portion of the first multi-channel active pattern and contacting the field insulating layer.Type: ApplicationFiled: January 20, 2015Publication date: November 5, 2015Inventors: Yeong-Jong JEONG, Jeong-Yun LEE, Geo-Myung SHIN, Dong-Suk SHIN, Si-Hyung LEE, Seo-Jin JEONG
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Publication number: 20150249130Abstract: Integrated circuit devices including Fin field effect transistors (finFETs) and methods of forming those devices are provided. The methods may include forming a fin on a substrate and forming a gate line on the fin. The method may also include forming a first recess in the fin having a first width and a first depth and forming a second recess in the first recess having a second width that is less than the first width and having a second depth that is greater than the first depth. The method may further include forming a source/drain region in the first and second recesses.Type: ApplicationFiled: May 15, 2015Publication date: September 3, 2015Inventors: Yeong-Jong JEONG, Jeong-Yun Lee, Shi Li Quan, Dong-Suk Shin, Si-Hyung Lee
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Patent number: 9067099Abstract: An exercise apparatus with a generator. The exercise apparatus includes a frame, a rotating component, a generator, and a battery. The rotating component is rotatably connected to the frame and the rotating component rotates in response to operation of the exercise apparatus. The generator is connected to the rotating component and the frame. The generator includes a rotor connected to the rotating component and a stator. The rotor rotates in response to rotation of the rotating component. The stator is connected to the frame. The stator interacts with the rotor to produce electric current at an output. In one embodiment, the battery is connected to the output wherein the battery is charged by electric current from the generator.Type: GrantFiled: March 12, 2012Date of Patent: June 30, 2015Inventors: David Beard, Si-Hyung Lee, Kevin Corbalis, Victor Cornejo, Deo Magakat, Shatish Mistry
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Publication number: 20150140759Abstract: Integrated circuit devices including Fin field effect transistors (finFETs) and methods of forming those devices are provided. The methods may include forming a fin on a substrate and forming a gate line on the fin. The method may also include forming a first recess in the fin having a first width and a first depth and forming a second recess in the first recess having a second width that is less than the first width and having a second depth that is greater than the first depth. The method may further include forming a source/drain region in the first and second recesses.Type: ApplicationFiled: September 19, 2014Publication date: May 21, 2015Inventors: Yeong-Jong JEONG, Jeong-Yun Lee, Shi li Quan, Dong-Suk Shin, Si-Hyung Lee
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Patent number: 9034700Abstract: Integrated circuit devices including Fin field effect transistors (finFETs) and methods of forming those devices are provided. The methods may include forming a fin on a substrate and forming a gate line on the fin. The method may also include forming a first recess in the fin having a first width and a first depth and forming a second recess in the first recess having a second width that is less than the first width and having a second depth that is greater than the first depth. The method may further include forming a source/drain region in the first and second recesses.Type: GrantFiled: September 19, 2014Date of Patent: May 19, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Yeong-Jong Jeong, Jeong-Yun Lee, Shi Ii Quan, Dong-Suk Shin, Si-Hyung Lee
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Patent number: 8889539Abstract: A method of forming a semiconductor device is provided, comprising forming a plurality of hard masks on a substrate by patterning an insulating layer; forming a plurality of trenches in the substrate, each trench having trench walls disposed between two adjacent masks and extending vertically from a bottom portion to an upper portion; forming an insulating layer on the hard masks and the trench walls; forming a conductive layer on the insulating layer; etching the conductive layer to form conductive layer patterns to fill the bottom portions of the trenches; depositing a buffer layer on the conductive layer patterns and the trench walls; and filling the upper portions of the trenches with a capping layer.Type: GrantFiled: December 11, 2008Date of Patent: November 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-In Ryu, Bong-Su Kim, Dae-Ik Kim, Ho-Jun Lee, Dae-Young Jang, Si-Hyung Lee
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Publication number: 20140064059Abstract: Provided are a network backup device and a network system. The network backup device includes a first connector configured to connect with one or more ports of a first network equipment, a second connector configured to connect with one or more second network equipment, a third connector configured to connect with a third network equipment, a switching module configured to aggregate data transmitted from the second connector, transfer the aggregated data to the third connector, and distribute data transmitted from the third connector to the second connector, and a switch configured to, in response to a fault occurring in a port of the first network equipment, switch from a connection between the second connector and the faulty port of the first network equipment to a connection between the second connector and the switching module.Type: ApplicationFiled: September 5, 2013Publication date: March 6, 2014Applicant: Samsung SDS Co., Ltd.Inventors: Gun Il SHIN, Jae Chul KIM, Seung Jae LEE, Ki Hyun AHN, Si Hyung LEE