Patents by Inventor Chan-seok Park
Chan-seok 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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Patent number: 11965684Abstract: An inverter module according to an embodiment of the present invention comprises: a high voltage circuit unit which generates an inverter control voltage and a motor driving voltage by using a first DC voltage; a high voltage circuit pattern which electrically connects the high voltage circuit unit; a low voltage circuit unit which communicates with an external device by using a second DC voltage having a smaller magnitude than the first DC voltage; and a low voltage circuit pattern which electrically connects the low voltage circuit unit. The high voltage circuit pattern and the low voltage circuit pattern are spaced apart from each other.Type: GrantFiled: October 18, 2019Date of Patent: April 23, 2024Assignee: Hanon SystemsInventors: Tae Hyeong Kim, Eun Seok Kang, Sung Jun Park, Chan Song, Seung Hwan Shin, Ho Bin Im, Min Gyo Jung
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Publication number: 20240125848Abstract: A leakage current detection circuit includes: a mirror circuit configured to copy a leakage current flowing through a node and generate a copy current in a copy node; an oscillation circuit including a charge storage unit, the oscillation circuit being connected to the copy node, charged with the copy current, and configured to generate an oscillation signal by charging and discharging the charge storage unit; and a calculation circuit configured to calculate an amount of the leakage current based on the oscillation signal.Type: ApplicationFiled: March 1, 2023Publication date: April 18, 2024Applicant: SK hynix Inc.Inventors: Jong Seok JUNG, Chan Keun KWON, Kyeong Hwan PARK, Young Kwan LEE, Suk Hwan CHOI
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Patent number: 11937378Abstract: A method of manufacturing a printed circuit board a includes preparing an insulating substrate on which a first metal layer is formed, stacking a resist laminate having a plurality of layers on the first metal layer, forming an opening exposing a portion of the first metal layer by patterning the stacked resist laminate having the plurality of layers, forming a second metal layer on the exposed portion of the first metal layer, removing the patterned resist laminate having the plurality of layers, and etching at least another portion of the first metal layer.Type: GrantFiled: March 10, 2022Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chan Jin Park, Hyun Seok Yang
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Publication number: 20240075853Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.Type: ApplicationFiled: April 13, 2023Publication date: March 7, 2024Applicants: Hyundai Motor Company, Kia Corporation, DAS CO., LTD, Faurecia Korea, Ltd., Hyundai Transys Inc.Inventors: Sang Soo LEE, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Sang Do PARK, Chan Ho JUNG, Dong Hoon LEE, Hea Yoon KANG, Deok Soo LIM, Seung Pil JANG, Seon Ho KIM, Jong Seok YUN, Hyo Jin KIM, Dong Gyu SHIN, Jin Ho SEO, Young Jun KIM, Taek Jun NAM
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Patent number: 11081201Abstract: A parallel test device is provided. The parallel test device of the disclosure includes an I/O pad, a plurality of input buffers, and a plurality of output drivers. The I/O pad is configured to perform input/output operations in the parallel test device. The input buffers are configured to enable write data. The output drivers are configured to enable read data and output the read data to the I/O pad. A test signal corresponds to the data from an external device is transferred to the output drivers through the I/O pad in the parallel test device during a test mode.Type: GrantFiled: November 26, 2019Date of Patent: August 3, 2021Assignee: Winbond Electronics Corp.Inventor: Chan-Seok Park
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Publication number: 20210158883Abstract: A parallel test device is provided. The parallel test device of the disclosure includes an I/O pad, a plurality of input buffers, and a plurality of output drivers. The I/O pad is configured to perform input/output operations in the parallel test device. The input buffers are configured to enable write data. The output drivers are configured to enable read data and output the read data to the I/O pad. A test signal corresponds to the data from an external device is transferred to the output drivers through the I/O pad in the parallel test device during a test mode.Type: ApplicationFiled: November 26, 2019Publication date: May 27, 2021Applicant: Winbond Electronics Corp.Inventor: Chan-Seok Park
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Patent number: 11004499Abstract: A latency control circuit and method are provided. The latency control circuit includes a DLL circuit, a latency counter circuit, a synchronization circuit, and a delay line circuit. The DLL circuit enters an inactive state after locking the delay time and provides an active signal at a disable state, delay locking information and loop delay information during the inactive state. The synchronization circuit stops providing a first clock signal according to the active signal at the disable state and then synchronously outputs an operation enabling signal and a second clock signal in response to an enablement of the operation signal. The delay line circuit receives the delay locking information, the operation enabling signal, and the second clock signal and outputs an operation delay signal and an output clock signal after the delay time.Type: GrantFiled: May 8, 2020Date of Patent: May 11, 2021Assignee: Winbond Electronics Corp.Inventors: Young-Tae Kim, Chan-Seok Park, Youngjoo Choi, Myung-Chan Choi
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Patent number: 9914417Abstract: A device for preventing an eCall system backup battery for a vehicle from discharging is provided. The device includes a GPS configured to provide current position information of the vehicle in which an eCall system is mounted. A sales area information storage is configured to form and store the GPS information on all sales areas as a sales area information database. A microcomputer is configured to determine whether the vehicle is located within a sales area which is a final destination by using the information acquired from the GPS module and the sales area information storage and to control whether the backup battery operates depending on the determination result. A power supply manager is configured to select and manage any one of a main battery and the backup battery as supply power of the eCall system by a control of the microcomputer.Type: GrantFiled: September 8, 2014Date of Patent: March 13, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Chan Seok Park, Min Cheol Kim
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Patent number: 9351095Abstract: A terminal apparatus for connecting with a head unit of a vehicle comprises a communicator configured to perform communication with the head unit equipped in the vehicle and a vehicle center server. A storage is configured to download an application from the vehicle center server and store it. A controller is configured to check information of the head unit by executing the application and execute a user interface corresponding to the checked information.Type: GrantFiled: June 3, 2014Date of Patent: May 24, 2016Assignee: Hyundai Motor CompanyInventors: Chan Seok Park, Hyang Jin Kim, Bo Geun Kim
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Publication number: 20150165991Abstract: A device for preventing an eCall system backup battery for a vehicle from discharging is provided. The device includes a GPS configured to provide current position information of the vehicle in which an eCall system is mounted. A sales area information storage is configured to form and store the GPS information on all sales areas as a sales area information database. A microcomputer is configured to determine whether the vehicle is located within a sales area which is a final destination by using the information acquired from the GPS module and the sales area information storage and to control whether the backup battery operates depending on the determination result. A power supply manager is configured to select and manage any one of a main battery and the backup battery as supply power of the eCall system by a control of the microcomputer.Type: ApplicationFiled: September 8, 2014Publication date: June 18, 2015Inventors: Chan Seok PARK, Min Cheol Kim
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Publication number: 20150172845Abstract: A terminal apparatus for connecting with a head unit of a vehicle comprises a communicator configured to perform communication with the head unit equipped in the vehicle and a vehicle center server. A storage is configured to download an application from the vehicle center server and store it. A controller is configured to check information of the head unit by executing the application and execute a user interface corresponding to the checked information.Type: ApplicationFiled: June 3, 2014Publication date: June 18, 2015Inventors: Chan Seok PARK, Hyang Jin KIM, Bo Geun KIM
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Publication number: 20130233370Abstract: The invention relates to a dye-sensitized solar cell and a method of preparing the same, and it can increase the efficiency and productivity of dye-sensitized solar cells at the same time by replacing all or part of the expensive light-absorbing dyes by carbon nanotubes (CNT), graphenes or carbon blacks.Type: ApplicationFiled: April 26, 2013Publication date: September 12, 2013Applicant: Dongjin Semichem Co., Ltd.Inventors: Chong-Chan Lee, Chan-Seok Park
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Patent number: 8288542Abstract: The present invention relates to a ruthenium-type dye and a making method thereof, and more particularly, to a ruthenium-type dye which is used to manufacture a dye-sensitized solar cell, drastically improves a molar extinction coefficient to enhance efficiency of a solar cell with only a small amount of a dye and oxide semiconductor particles, allows a thin film solar cell element to be manufactured without difficulty and sharply reduces manufacturing costs of a solar cell, and a making method thereof.Type: GrantFiled: February 15, 2008Date of Patent: October 16, 2012Assignee: Dongjin Semichem Co., Ltd.Inventor: Chan-seok Park
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Patent number: 8098012Abstract: A photosensitive composition, which has a cross-linking monomer having at least two ethylenic double bonds, a photopolymerization initiator, and an organic solvent, and a method of preparing a barrier rib for a plasma display panel, wherein the photosensitive composition is used. The photosensitive composition provides improved adherence to an inorganic material and an organic material.Type: GrantFiled: August 27, 2009Date of Patent: January 17, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Hyea-Weon Shin, Yon-Goo Park, Bong-Gi Kim, Chan-Seok Park, Sung-Mun Ryu
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Patent number: 7985782Abstract: The present invention provides an ink for a color filter comprising a polymer binder, a crosslinking monomer, a solvent, a pigment, and a polymerization initiator. The polymer binder comprises acrylate or methacrylate including a hydroxy group. The polymer binder may comprise 2-hydroxyethyl acrylate or 2-hydroxyethyl methacrylate.Type: GrantFiled: January 9, 2007Date of Patent: July 26, 2011Assignees: Samsung Electronics Co., Ltd., Dongjin Semichem Co., Ltd.Inventors: Kwang Ho Lee, Byoung Joo Kim, Jang Sub Kim, Chang Hun Kwak, Seong Gyu Kwon, Chan Seok Park, Kyung Ah Kim, Hyun Il Cho, Gil Lae Kim, Yoon Ho Kang
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Patent number: 7927781Abstract: The present invention relates to a photosensitive resin composition including a) an alkali-soluble acrylate resin, b) a cross-linking monomer having at least two ethylenic double bonds, and c) a phosphinoxide based photopolymerization initiator and an acridon based photopolymerization initiator; a preparation method thereof; and a dry film resist comprising the same.Type: GrantFiled: December 4, 2008Date of Patent: April 19, 2011Assignee: Dongjin Semichem Co., Ltd.Inventors: In-Ho Yoon, Bong-Gi Kim, Chang-Seok Rho, Sang-Ki Kang, Kyung-Rock Byun, Chan-Seok Park
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Patent number: 7850872Abstract: Disclosed are a compound which works as electronic materials such as a molecular memory, a molecular switch, a molecular rectifier, a molecular wire, and so on, and a molecular electronic device including the same. The compound for molecular electronic device has the structure of following Formula 1, (MnRM)n??<Formula 1> wherein, R is a single molecule having an electrical conductivity, M is independently a repeating unit constituting a polymer having an electrical conductivity, and n is independently an integer ranging from 100 to 500.Type: GrantFiled: September 27, 2007Date of Patent: December 14, 2010Assignee: Dongjin Semichem Co., Ltd.Inventors: Gyou-Jin Cho, Jeong-Ju Kim, Eun-Jung Choi, Nam-Young Kim, Chan-Seok Park, Hoe-Taek Yang
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Patent number: 7763402Abstract: The present invention relates to a photosensitive resin composition, and more particularly, to a photosensitive resin composition for forming an over coating layer of a color filter. The photosensitive resin composition according to the present invention includes a UV absorber. The photosensitive resin composition according to the present invention adjusts line width and height of a pattern without difficulty, forms a linear pattern, provides good transmittance and is adequate to form the over coating layer of the color filter.Type: GrantFiled: August 24, 2007Date of Patent: July 27, 2010Assignee: Dongjin Semichem Co., Ltd.Inventors: Hyun-il Cho, Taeg-sung Jung, Hee-jung Jung, Chan-seok Park
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Publication number: 20100178416Abstract: An ink composition comprising dipropylene glycol monomethyl ether acetate (DPMA). For example, an ink composition for a color filter includes a binder material, a monomer material, a polymerization initiator, a pigment dispersion, and a solvent including dipropylene glycol monomethyl ether acetate (DPMA).Type: ApplicationFiled: March 23, 2010Publication date: July 15, 2010Inventors: Yoon-Ho KANG, Choon-Ho Park, Kyung-Ah Kim, Gil-Lae Kim, Chan-Seok Park, Seong-Gyu Kwon, Jang-Sub Kim, Byoung-Joo Kim
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Publication number: 20100071763Abstract: The present invention relates to a ruthenium-type dye and a making method thereof, and more particularly, to a ruthenium-type dye which is used to manufacture a dye-sensitized solar cell, drastically improves a molar extinction coefficient to enhance efficiency of a solar cell with only a small amount of a dye and oxide semiconductor particles, allows a thin film solar cell element to be manufactured without difficulty and sharply reduces manufacturing costs of a solar cell, and a making method thereof.Type: ApplicationFiled: February 15, 2008Publication date: March 25, 2010Applicant: DONGJIN SEMICHEM CO., LTD.Inventor: Chan-seok PARK