Patents by Inventor Hae Yong PARK
Hae Yong PARK 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: 20240124978Abstract: A gas diffuser plate in a cyclic deposition chamber is disclosed. The gas diffuser plate as fabricated comprises a substrate diffuser plate having a substrate emissivity and a coating formed on the substrate diffuser plate. The gas diffuser plate having the substrate diffuser plate coated with the coating has an emissivity higher than the substrate emissivity. The coating comprises a first layer formed on the substrate diffuser plate and comprising a first material configured to modulate the emissivity of the gas diffuser plate, and a second layer comprising a second corrosion-resistant material. The first material comprises titanium nitride oxide (TiNxOy). The emissivity of the gas diffuser plate is at least partially based on the ratio of nitrogen and oxygen in TiNxOy.Type: ApplicationFiled: October 6, 2023Publication date: April 18, 2024Inventors: Behzad Mahmoudi, Mats Ingvar Larsson, Selase Torkornoo, Hae Young Kim, Cole Delany Green, Bunsen Nie, James Long Wu, Chan Yong Park, Deoghwan Kim, Siwon Ryu, Jae Jun Jung, Changhun Shin
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Publication number: 20240083384Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.Type: ApplicationFiled: February 3, 2023Publication date: March 14, 2024Applicants: Hyundai Motor Company, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Sang Soo LEE, Chan Ho JUNG, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Deok Soo LIM, Sang Do PARK, In Sun BAEK, Sin Chan YANG, Chan Ki CHO, Myung Soo LEE, Jae Yong JANG, Jun Sik HWANG, Ho Sung KANG, Hae Dong KWAK, Hyun Tak KO
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Publication number: 20220139993Abstract: An image sensor includes a substrate having an element separation pattern, a first active region, and a ground region, the ground region being separated from the first active region by the element separation pattern, a transfer transistor including a transfer gate electrode on the first active region, the transfer gate electrode being separated from the ground region by the element separation pattern, a photo diode within the substrate, the photo diode being spaced apart from the transfer gate electrode, and a contact on the ground region, the contact being configured to receive a ground voltage.Type: ApplicationFiled: October 22, 2021Publication date: May 5, 2022Inventors: Dong Hyun KIM, Yong Sang PARK, Hae Yong PARK, Jong Eun PARK, Kwan Sik CHO
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Patent number: 11049677Abstract: The DC interrupting device includes a main current conduction unit including a main interrupting switch, which is a mechanical switch, a reverse current power supply unit connected to an input terminal of the main current conduction unit and configured to generate a predetermined reverse current, and a reverse current conduction unit configured to supply the reverse current to an output terminal of the main current conduction unit. The reverse current power supply unit includes a first reverse current dedicated capacitor charged by a voltage applied to an input terminal of the main current conduction unit, a polarity reversing inductor configured to reverse a polarity of the first reverse current dedicated capacitor, and a reverse current power supply unit switch configured to perform circuit connection such that the polarity reversing inductor reverses the polarity of the first reverse current dedicated capacitor.Type: GrantFiled: December 19, 2017Date of Patent: June 29, 2021Assignees: KOREA ELECTRO TECHNOLOGY RESEARCH INSTITUTE, LSIS CO., LTD.Inventors: Woo Young Lee, Hae Yong Park, Gyeong Ho Lee, Sang Hun Park, Chae Yoon Bae, Jung Wook Sim, Hyun Jae Jang
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Patent number: 10818454Abstract: A high speed switch comprises an interrupter unit connected to a main circuit and including a movable electrode and a driving electrode for opening or closing the main circuit; a driving unit including a repulsion coil for providing a driving force for moving the movable electrode of the interrupter unit, and a repulsion plate disposed opposite to the repulsion coil; a guide rod part connecting the movable electrode of the interrupter unit to the repulsion plate, having a latch groove formed therein, and reciprocating vertically according to movements of the repulsion plate; and a state-holding unit for regulating the movement of the guide rod part, wherein the state-holding unit comprises: a latch pin; a latch elastic member; and a latch coil.Type: GrantFiled: August 11, 2017Date of Patent: October 27, 2020Assignee: LSIS CO., LTD.Inventors: Hae-Yong Park, Jung-Wook Sim, Gyeong-Ho Lee
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Publication number: 20200075274Abstract: A high speed switch comprises an interrupter unit connected to a main circuit and including a movable electrode and a driving electrode for opening or closing the main circuit; a driving unit including a repulsion coil for providing a driving force for moving the movable electrode of the interrupter unit, and a repulsion plate disposed opposite to the repulsion coil; a guide rod part connecting the movable electrode of the interrupter unit to the repulsion plate, having a latch groove formed therein, and reciprocating vertically according to movements of the repulsion plate; and a state-holding unit for regulating the movement of the guide rod part, wherein the state-holding unit comprises: a latch; a latch elastic member; and a latch coil.Type: ApplicationFiled: August 11, 2017Publication date: March 5, 2020Inventors: Hae-Yong PARK, Jung-Wook SIM, Gyeong-Ho LEE
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Publication number: 20190362916Abstract: The DC interrupting device includes a main current conduction unit including a main interrupting switch, which is a mechanical switch, a reverse current power supply unit connected to an input terminal of the main current conduction unit and configured to generate a predetermined reverse current, and a reverse current conduction unit configured to supply the reverse current to an output terminal of the main current conduction unit. The reverse current power supply unit includes a first reverse current dedicated capacitor charged by a voltage applied to an input terminal of the main current conduction unit, a polarity reversing inductor configured to reverse a polarity of the first reverse current dedicated capacitor, and a reverse current power supply unit switch configured to perform circuit connection such that the polarity reversing inductor reverses the polarity of the first reverse current dedicated capacitor.Type: ApplicationFiled: December 19, 2017Publication date: November 28, 2019Applicants: KOREA ELECTRO TECHNOLOGY RESEARCH INSTITUTE, LSIS CO., LTD.Inventors: Woo Young LEE, Hae Yong PARK, Gyeong Ho LEE, Sang Hun PARK, Chae Yoon BAE, Jung Wook SIM, Hyun Jae JANG
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Patent number: 10191120Abstract: An apparatus for detecting a defect of an electric power system according to one embodiment of the present disclosure includes a first state signal output unit for outputting a first state signal corresponding to a magnetic force generated at a periphery of a line, a second state signal output unit for outputting a second state signal based on a magnitude of a line current and an increase ratio thereof, and a determination unit for determining whether the electric power system is defective or not based on the first state signal and the second state signal.Type: GrantFiled: December 19, 2016Date of Patent: January 29, 2019Assignee: LSIS CO., LTD.Inventors: Hae-Yong Park, Chae-Yoon Bae, Jung-Wook Sim, Gyeong-Ho Lee
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Patent number: 10116132Abstract: Disclosed is a direct current (DC) circuit breaker including a first line in which a first high-speed switch and a power semiconductor switch are connected in series; a second line in which a plurality of second high-speed switches, a plurality of pairs of a first non-linear resistor and a power fuse connected in parallel, and a resistor are connected in series; and a third line including a second non-linear resistor. The first line, the second line, and the third line are connected in parallel.Type: GrantFiled: October 9, 2015Date of Patent: October 30, 2018Assignee: LSIS CO., LTD.Inventors: Gyeong-Ho Lee, Jung-Wook Sim, Hae-Yong Park
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Patent number: 10063046Abstract: Some embodiments of the present disclosure relate to a direct current circuit breaker capable of shortening a cut-off operation time and reducing a magnitude of a required reverse current. The direct current circuit breaker includes: a main circuit line which is connected between a power supply and a load, the main circuit line includes a main breaker and a first diode connected in parallel; a charging circuit line which is disposed in the rear stage of the main breaker and is connected in parallel to the load, the charging circuit line includes a first capacitor, a reactor and a second diode connected in series; and a switch line including one end connected in parallel to the front stage of the main breaker and the other end connected between the reactor and the second diode, the switch line includes a third diode and a current switch connected in series.Type: GrantFiled: April 29, 2016Date of Patent: August 28, 2018Assignee: LSIS CO., LTD.Inventors: Gyeong-Ho Lee, Jung-Wook Sim, Chae-Yoon Bae, Hae-Yong Park
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Publication number: 20170248660Abstract: An apparatus for detecting a defect of an electric power system according to one embodiment of the present disclosure includes a first state signal output unit for outputting a first state signal corresponding to a magnetic force generated at a periphery of a line, a second state signal output unit for outputting a second state signal based on a magnitude of a line current and an increase ratio thereof, and a determination unit for determining whether the electric power system is defective or not based on the first state signal and the second state signal.Type: ApplicationFiled: December 19, 2016Publication date: August 31, 2017Inventors: Hae-Yong PARK, Chae-Yoon BAE, Jung-Wook SIM, Gyeong-Ho LEE
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Patent number: 9748299Abstract: A pixel for a backside illuminated (BSI) image sensor includes a semiconductor substrate having a first surface and a second surface, a photoelectric conversion region between the first surface and the second surface to generate charges in response to light received through the second surface, first trench-type isolation region surrounding the photoelectric conversion region and extending vertically from the second surface, a floating diffusion region in the semiconductor substrate below the photoelectric conversion region, and a transfer gate extending vertically from the first surface towards the photoelectric conversion region to transfer the charges from the photoelectric conversion region to the floating diffusion region. The first trench-type isolation region is formed of a negative charge material.Type: GrantFiled: August 4, 2015Date of Patent: August 29, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Jung Chak Ahn, Kyung Ho Lee, Young Woo Jung, Seung Joo Nah, Hae Yong Park
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Patent number: 9599654Abstract: A fault current detection circuit comprises a primary current transformer that detects a current; a pair of secondary current transformers that convert a current detection signal into secondary conversion signals with a small current; a fault detection circuit section that determines whether or not a fault current occurs by comparing a current value according to a secondary conversion signal with a predetermined reference current value; a surge detection circuit section that determines whether or not a surge current occurs on the electric power circuit; and a trip determination unit that receives a fault detection signal and a surge detection signal, and generates a trip control signal when at least either one of the fault detection signal and the surge detection signal is received.Type: GrantFiled: July 7, 2015Date of Patent: March 21, 2017Assignee: LSIS CO., LTD.Inventors: Hae Yong Park, Jung Wook Sim, Gyeong Ho Lee
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Publication number: 20160336734Abstract: Some embodiments of the present disclosure relate to a direct current circuit breaker capable of shortening a cut-off operation time and reducing a magnitude of a required reverse current. The direct current circuit breaker includes: a main circuit line which is connected between a power supply and a load, the main circuit line includes a main breaker and a first diode connected in parallel; a charging circuit line which is disposed in the rear stage of the main breaker and is connected in parallel to the load, the charging circuit line includes a first capacitor, a reactor and a second diode connected in series; and a switch line including one end connected in parallel to the front stage of the main breaker and the other end connected between the reactor and the second diode, the switch line includes a third diode and a current switch connected in series.Type: ApplicationFiled: April 29, 2016Publication date: November 17, 2016Inventors: Gyeong-Ho LEE, Jung-Wook SIM, Chae-Yoon BAE, Hae-Yong PARK
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Patent number: 9490628Abstract: A fault current limiter is provided. According to an embodiment of the present disclosure, the fault current limiter includes a switch whose contact point is opened when a fault current occurs; a current limiting element configured to limit the fault current when the fault current occurs; and a diode being serial-connected to the current limiting element, wherein a breakdown voltage of the diode is higher than a voltage drop by an impedance of the switch when a normal current flows.Type: GrantFiled: October 30, 2014Date of Patent: November 8, 2016Assignee: LSIS CO., LTD.Inventors: Jung Wook Sim, Gyeong Ho Lee, Hae Yong Park
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Patent number: 9478383Abstract: The fast switch includes: a housing; a vacuum interrupter installed in the housing, connected to a main circuit, and configured to open and close the main circuit; a contact spring coupled to a mover of the vacuum interrupter, and configured to provide a contact force; an insulating rod connected to the contact spring; a permanent magnet actuator connected to a lower end of the insulating rod, and configured to provide a switching driving force; a first capacitor configured to provide a discharge current to a coil of the permanent magnet actuator; a driving coil connected to a lower end of the permanent magnet actuator; and a second capacitor configured to provide a discharge current to the driving coil.Type: GrantFiled: March 23, 2015Date of Patent: October 25, 2016Assignee: LSIS CO., LTD.Inventors: Gyeong Ho Lee, Jung Wook Sim, Hae Yong Park
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Publication number: 20160105014Abstract: Disclosed is a direct current (DC) circuit breaker including a first line in which a first high-speed switch and a power semiconductor switch are connected in series; a second line in which a plurality of second high-speed switches, a plurality of pairs of a first non-linear resistor and a power fuse connected in parallel, and a resistor are connected in series; and a third line including a second non-linear resistor. The first line, the second line, and the third line are connected in parallel.Type: ApplicationFiled: October 9, 2015Publication date: April 14, 2016Inventors: Gyeong-Ho Lee, Jung-Wook Sim, Hae-Yong Park
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Publication number: 20160043120Abstract: A pixel for a backside illuminated (BSI) image sensor includes a semiconductor substrate having a first surface and a second surface, a photoelectric conversion region between the first surface and the second surface to generate charges in response to light received through the second surface, first trench-type isolation region surrounding the photoelectric conversion region and extending vertically from the second surface, a floating diffusion region in the semiconductor substrate below the photoelectric conversion region, and a transfer gate extending vertically from the first surface towards the photoelectric conversion region to transfer the charges from the photoelectric conversion region to the floating diffusion region. The first trench-type isolation region is formed of a negative charge material.Type: ApplicationFiled: August 4, 2015Publication date: February 11, 2016Inventors: JUNG CHAK AHN, KYUNG HO LEE, YOUNG WOO JUNG, SEUNG JOO NAH, HAE YONG PARK
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Publication number: 20160018457Abstract: A fault current detection circuit according to the invention comprises a primary current transformer that detects a current; a pair of secondary current transformers that convert a current detection signal into secondary conversion signals with a small current; a fault detection circuit section that determines whether or not a fault current occurs by comparing a current value according to a secondary conversion signal with a predetermined reference current value; a surge detection circuit section that determines whether or not a surge current occurs on the electric power circuit; and a trip determination unit that receives a fault detection signal and a surge detection signal, and generates a trip control signal when at least either one of the fault detection signal and the surge detection signal is received.Type: ApplicationFiled: July 7, 2015Publication date: January 21, 2016Applicant: LSIS CO., LTD.Inventors: Hae Yong PARK, Jung Wook SIM, Gyeong Ho LEE
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Publication number: 20150332884Abstract: The fast switch includes: a housing; a vacuum interrupter installed in the housing, connected to a main circuit, and configured to open and close the main circuit; a contact spring coupled to a mover of the vacuum interrupter, and configured to provide a contact force; an insulating rod connected to the contact spring; a permanent magnet actuator connected to a lower end of the insulating rod, and configured to provide a switching driving force; a first capacitor configured to provide a discharge current to a coil of the permanent magnet actuator; a driving coil connected to a lower end of the permanent magnet actuator; and a second capacitor configured to provide a discharge current to the driving coil.Type: ApplicationFiled: March 23, 2015Publication date: November 19, 2015Applicant: LSIS CO., LTD.Inventors: Gyeong Ho LEE, Jung Wook SIM, Hae Yong PARK