Patents by Inventor Won-jung Kim
Won-jung 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: 11560495Abstract: A CMP slurry composition for polishing a tungsten pattern wafer and a method of polishing a tungsten pattern wafer, the composition including a solvent, the solvent including a polar solvent or a non-polar solvent; an abrasive agent; and an oxidizing agent, wherein the abrasive agent includes silica modified with an amino silane that includes three nitrogen atoms.Type: GrantFiled: January 22, 2021Date of Patent: January 24, 2023Assignee: SAMSUNG SDI CO., LTD.Inventors: Won Jung Kim, Yoon Young Koo, Tae Won Park, Eui Rang Lee, Jong Won Lee, Youn Jin Cho
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Patent number: 11560870Abstract: An ignition coil control system may include a first ignition coil including a primary coil and a secondary coil; a first switch that selectively electrically-connects the primary coil of the first ignition coil; a second ignition coil including a primary coil and a secondary coil; a second switch that selectively electrically-connects the primary coil of the second ignition coil; a pair of electrodes generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil; and an ignition controller that controls spark discharge of the pair of electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil by turning the first switch and the second switch on or off according to a single pulse signal having a constant voltage including different voltages transmitted from an engine control unit (ECU).Type: GrantFiled: September 27, 2021Date of Patent: January 24, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Publication number: 20230003347Abstract: The present invention relates to a knob cap for a high-pressure tank including a coupling groove portion corresponding to a knob of a liner of the high-pressure tank formed in a lower surface of a body; a peripheral wing portion extending outward in a lower end of an outer circumferential surface of the body to be in contact with a surface of the liner; and a thickness conversion portion formed in the outer circumferential surface of the body to change a thickness between a center line and the outer circumferential surface.Type: ApplicationFiled: November 18, 2020Publication date: January 5, 2023Inventors: Dae Gun KIM, Kyo Min LEE, Young Koan KO, You Jung LEE, Won Young KIM
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Publication number: 20220403984Abstract: The present invention discloses a knob cap for a high-pressure tank including a first knob cap portion having a coupling groove coupled to a knob of a liner of the high-pressure tank in a lower surface, including a peripheral wing portion extending outward to be in contact with a surface of the liner to outside of a lower portion, and having a column portion in the shape of a column extending upward in a center; and a second knob cap portion integrally coupled with the first knob cap portion, having the column portion of the first knob cap portion inserted into a hollow, and including a plurality of inner grooves in the shape of a column having an upper end opened outside of the hollow and extending downward.Type: ApplicationFiled: November 18, 2020Publication date: December 22, 2022Inventors: Dae Gun KIM, Kyo Min LEE, Young Koan KO, You Jung LEE, Won Young KIM
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Publication number: 20220392381Abstract: Disclosed is a driving circuit of a stretchable display capable of being stretched, which includes a driving part that includes a driving transistor connected with a light-emitting element and drives the light-emitting element depending on a signal of a data line, a switching transistor that is connected between the driving part and the data line and includes a gate terminal connected with a first gate line, and a stretch-sensitive sensor that is connected with the switching transistor between the driving part and the data line, and the stretch-sensitive sensor may include a stretch-sensitive material whose resistance characteristic changes depending on a stretching force applied to the stretchable display.Type: ApplicationFiled: June 2, 2022Publication date: December 8, 2022Applicant: UIF (University Industry Foundation), Yonsei UniversityInventors: Hyun Jae Kim, Hyung Tae Kim, Hee Jun Kim, Dongwoo Kim, Won Kyung Min, Dong Hyun Choi, Sujin Jung, Jong Bin An
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Patent number: 11515551Abstract: A fuel cell recovery control system and method are provided to supply hydrogen to the cathode of a fuel cell stack to remove an oxide film formed on a platinum surface of the cathode. The performance of the fuel cell stack is recovered in accordance with the oxide film removal. In addition, electric power generated during the performance recovery of the fuel cell stack is consumed in an inverter and, as such, overcharge of a battery is prevented.Type: GrantFiled: October 25, 2019Date of Patent: November 29, 2022Assignees: Hyundai Motor Company, Kia CorporationInventors: Hyun Bae Dong, Won Jung Kim, Yong Doo Son
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Publication number: 20220364537Abstract: An ignition coil control system may include first and second ignition coils, and a spark plug including a pair of electrodes in which generates spark discharge by discharge currents of the first ignition coil and the second ignition coil, a DC-DC converter connected to a primary coil of the first ignition coil, a primary coil of the second ignition coil and a battery; in which converts current magnitude supplied to a primary coil of the first ignition coil and a primary coil of the second ignition coil from a battery, and a controller in which controls the spark discharge of the electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil base on a pulse signal, wherein the controller is configured to selectively execute a multi-state ignition through the first ignition coil and the second ignition coil and a single-stage ignition through one of the first ignition coil and the second ignition coil according to an operation region of an enginType: ApplicationFiled: November 18, 2021Publication date: November 17, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Kiseon SIM, Dongwon JUNG, Won Gyu KIM, Jin Oh SONG, Soo Hyung WOO
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Publication number: 20220352389Abstract: A semiconductor device includes a first transistor having a first threshold voltage, and including first channels, first source/drain layers connected to opposite sidewalls of the first channels, and a first gate structure surrounding the first channels and including a first gate insulation pattern, a first threshold voltage control pattern, and a first workfunction metal pattern sequentially stacked. The semiconductor device includes a second transistor having a second threshold voltage greater than the first threshold voltage, and including second channels, second source/drain layers connected to opposite sidewalls of the second channels, and a second gate structure surrounding the second channels and including a second gate insulation pattern, a second threshold voltage control pattern, and a second workfunction metal pattern sequentially stacked. A thickness of the second threshold voltage control pattern is equal to or less than a thickness of the first threshold voltage control pattern.Type: ApplicationFiled: July 12, 2022Publication date: November 3, 2022Inventors: Jae-Jung KIM, Dong-Soo LEE, Sang-Yong KIM, Jin-Kyu JANG, Won-Keun CHUNG, Sang-Jin HYUN
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Patent number: 11489203Abstract: An electrolyte for a lithium secondary battery, and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte includes a lithium salt having a concentration of 1.6 M to 5 M, an oligomer including a unit represented by Formula A, and an organic solvent including a cyclic carbonate-based compound and an acetate-based compound, wherein the cyclic carbonate-based compound is present in an amount of 6 vol % to 19 vol % based on the total volume of the organic solvent.Type: GrantFiled: July 4, 2019Date of Patent: November 1, 2022Inventors: Won Kyung Shin, Kyoung Ho Ahn, Chui Haeng Lee, Min Jung Kim, Gwang Yeon Kim
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Publication number: 20220302363Abstract: A light emitting device package including first and second frames spaced apart from each other; a body disposed between the first and second frames, the body including a cavity having a side surface; and a light emitting device disposed in the cavity. Further, the side surface of the cavity includes a first side portion spaced from the light emitting device and disposed around the light emitting device, a groove portion disposed around the first side portion, and a second side portion disposed around the groove portion.Type: ApplicationFiled: May 16, 2022Publication date: September 22, 2022Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Young Shin KIM, June O. SONG, Chang Man LIM, Won Jung KIM, Ki Seok KIM
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Patent number: 11439486Abstract: The present invention relates to a root canal treatment apparatus for cleaning a root canal, a root canal treatment apparatus for charging a root canal, or a root canal treatment apparatus for cleaning and charging a root canal. The root canal treatment apparatus for cleaning a root canal according to the present invention comprises: a storage container for storing a cleaning liquid or a filler supplied from the outside; an ultrasonic oscillator for applying ultrasonic waves to the cleaning liquid or the filler stored in the storage container; an injection port for injecting, around the root canal, the cleaning liquid or the filler to which the ultrasonic waves have been applied in the storage container; and a nozzle having a suction port for sucking the cleaning liquid or bubbles in the root canal or the bubble.Type: GrantFiled: November 21, 2019Date of Patent: September 13, 2022Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Ho-Young Kim, Shin Hye Chung, Dohyun Jung, Won Jun Shon, Junhee Choi
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Publication number: 20220285921Abstract: An ignition coil control system according to an exemplary embodiment of the present disclosure may include a first ignition coil, a second ignition coil, a spark plug generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil, and an ignition controller that controls spark discharge of the spark plug by adjusting an amount and duration of the discharge current of the first ignition coil and the second ignition coil, and changing a sequence of charging and discharging of the first ignition coil and the second ignition coil based on a pulse signal transmitted from an engine control unit (ECU).Type: ApplicationFiled: November 4, 2021Publication date: September 8, 2022Inventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Publication number: 20220275782Abstract: An ignition coil control system includes: a first ignition coil; a second ignition coil; a spark plug generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil; and an ignition controller that controls spark discharge of the electrode by adjusting an amount and duration of the discharge current of the first ignition coil and the second ignition coil based on a step pulse signal including different voltages transmitted from an engine control unit (ECU).Type: ApplicationFiled: June 28, 2021Publication date: September 1, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Kiseon SIM, Dongwon JUNG, Won Gyu KIM, Jin Oh SONG, Soo Hyung WOO
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Patent number: 11423827Abstract: A display device includes: a substrate including a display region including a plurality of pixel regions, and a non-display region at a periphery of the display region; a pixel circuit layer including a plurality of circuit elements in the display region; a display element layer including a plurality of light emitting devices in the display region on the pixel circuit layer; and first and second alignment lines in the non-display region, the first and second alignment lines each having a multi-layered structure. Each of the first and second alignment lines includes: a main line in a same layer as at least one electrode in the display element layer; and at least one sub-line electrically connected to the main line, the at least one sub-line in a same layer as at least one electrode in the pixel circuit layer.Type: GrantFiled: June 12, 2019Date of Patent: August 23, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hong Bo Kim, Won Jun Lee, Yoon Jung Chai, Chol Ho Kim, Hyo Chul Lee
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Publication number: 20220252033Abstract: An ignition coil control system may include a first ignition coil including a primary coil and a secondary coil; a first switch that selectively electrically-connects the primary coil of the first ignition coil; a second ignition coil including a primary coil and a secondary coil; a second switch that selectively electrically-connects the primary coil of the second ignition coil; a pair of electrodes generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil; and an ignition controller that controls spark discharge of the pair of electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil by turning the first switch and the second switch on or off according to a single pulse signal having a constant voltage including different voltages transmitted from an engine control unit (ECU).Type: ApplicationFiled: September 27, 2021Publication date: August 11, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Patent number: 11411124Abstract: A semiconductor device includes a first transistor having a first threshold voltage, and including first channels, first source/drain layers connected to opposite sidewalls of the first channels, and a first gate structure surrounding the first channels and including a first gate insulation pattern, a first threshold voltage control pattern, and a first workfunction metal pattern sequentially stacked. The semiconductor device includes a second transistor having a second threshold voltage greater than the first threshold voltage, and including second channels, second source/drain layers connected to opposite sidewalls of the second channels, and a second gate structure surrounding the second channels and including a second gate insulation pattern, a second threshold voltage control pattern, and a second workfunction metal pattern sequentially stacked. A thickness of the second threshold voltage control pattern is equal to or less than a thickness of the first threshold voltage control pattern.Type: GrantFiled: December 28, 2020Date of Patent: August 9, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-Jung Kim, Dong-Soo Lee, Sang-Yong Kim, Jin-Kyu Jang, Won-Keun Chung, Sang-Jin Hyun
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Patent number: 11404618Abstract: A light-emitting device package according to one embodiment comprises: a body including a through-hole formed in an upper surface and a lower surface; a light-emitting device arranged on the upper surface of the body and including first and second bonding units spaced apart from each other; and first and second metal units arranged so as to be spaced apart from each other on the rear surface of the body, wherein a partial area of each of the first and second bonding units overlaps with the through-hole in a vertical direction, the first and second metal units respectively includes first and second extension portions extending to the through-hole; the first and second extension portions is electrically connected to the first and second bonding units, respectively; and the first and second extension portions face each other within the through-hole.Type: GrantFiled: May 29, 2019Date of Patent: August 2, 2022Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Ki Seok Kim, Chang Man Lim, Won Jung Kim
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Patent number: 11398589Abstract: The light emitting device package disclosed in the embodiment includes a first frame having a first through hole; a second frame having a second through hole; a body disposed between the first and second frames; and light emitting devices disposed on the first and second frames, wherein the first and second through holes have an area of a lower surface larger than an area of the upper surface, and centers of the upper and lower surfaces of the first through hole may be offset from each other in the vertical direction, and centers of the upper and lower surfaces of the second through hole may be offset from each other in the vertical direction.Type: GrantFiled: November 30, 2018Date of Patent: July 26, 2022Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Won Jung Kim, June O Song, Chang Man Lim, Ki Seok Kim
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Patent number: 11378055Abstract: An ignition coil control method may include receiving first pulse signal and second pulse signal following the first pulse signal by a delay time transmitted from an engine control unit; charging the first ignition coil when the first pulse signal is on; charging the second ignition coil when a predetermined time period elapses from a time at which the first pulse signal is on; discharging the first ignition coil when the first pulse signal is off; discharging the second ignition coil when a maintaining time of the first pulse signal from a time at which the second ignition coil is charged; when the second pulse signal is on, charging the first ignition coil for a dwell time and then discharging the first ignition coil; and charging the second ignition coil for the dwell time and then discharging the second ignition coil when a predetermined time period elapses from a time at which the second ignition coil is discharged.Type: GrantFiled: September 16, 2021Date of Patent: July 5, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Patent number: RE49146Abstract: An embodiment relates to a light emitting device package and a lighting apparatus having the same. According to the embodiment, a light emitting device package includes a first lead frame; a second lead frame spaced apart from the first lead frame; a body coupled to the first lead frame and the second lead frame and includes a first cavity which exposes a portion of the upper surface of the first lead frame, a second cavity which exposes a portion of the upper surface of the second lead frame, and a spacer which is disposed between the first lead frame and the second frame; at least one light emitting device disposed in the first cavity; and a protection device disposed in the second cavity. The second cavity is disposed on a first inside surface of the first cavity and the first inside surface is connected to an upper surface of the spacer, and an area of a bottom surface of the first cavity is equal to or less than 40% of entire area of the body.Type: GrantFiled: March 26, 2019Date of Patent: July 19, 2022Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Chang Man Lim, Won Jung Kim, Hyoung Jin Kim, Bong Kul Min, Ho Young Chung