Patents by Inventor Dong-Hwa Lee
Dong-Hwa 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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Patent number: 12232273Abstract: A printed circuit board includes an insulating layer, a circuit pattern on the insulating layer, and a surface treatment layer on the circuit pattern. The surface treatment layer includes a bottom surface having a width wider than a width of a top surface of the circuit pattern.Type: GrantFiled: June 20, 2023Date of Patent: February 18, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Yun Mi Bae, Soon Gyu Kwon, Sang Hwa Kim, Sang Young Lee, Jin Hak Lee, Han Su Lee, Dong Hun Jeong, In Ho Jeong, Dae Young Choi, Jung Ho Hwang
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Publication number: 20250055724Abstract: An apparatus for controlling a GCL of an Ethernet switch and a method thereof are provided. A controller area network (CAN) message is transformed to an Ethernet frame, a queue corresponding to a transmission type of the CAN message is determined, and a time to open or close a transmission gate of the queue is updated over a gate control list (GCL), thereby effectively scheduling (lowering the complexity of scheduling) a plurality of CAN messages transmitted to the Ethernet, and improving transmission reliability of the CAN message.Type: ApplicationFiled: November 28, 2023Publication date: February 13, 2025Inventors: Jin Hwa Yun, Ju Ho Choi, Dong Jun Lee
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Publication number: 20250055006Abstract: A reinforced composite membrane with improved ion conductivity and wettability is provided. Provided in one embodiment of the present disclosure is a reinforced composite membrane comprising a porous support and an ionomer layer, which comprises an ion conductor filling the pores inside the porous support, wherein the porous support comprises a first surface and a second surface opposite to the first surface, and the first surface is reformed to contain a first hydrophilic functional group.Type: ApplicationFiled: November 23, 2022Publication date: February 13, 2025Inventors: Jung Hwa PARK, Dong Hoon LEE, Kum Suck SONG, Sung Hyun YUN, Seung Jib YUM, Chang Hoon OH, Hye Song LEE, Eun Su LEE
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Patent number: 12218391Abstract: Disclosed are: a reinforced composite membrane-type polymer electrolyte membrane which can prevent the loss of an ion conductor even when the ion conductor is chemically deteriorated due to long-term use, and thus has remarkably enhanced mechanical and chemical durability; a method for manufacturing same; and an electrochemical device comprising same. The polymer electrolyte membrane of the present invention comprises: a non-crosslinked ion conductor; and a porous support having a plurality of pores filled with the ion conductor, wherein the porous support comprises a polymer having at least one crosslinking functional group, and the crosslinking functional group is a functional group which, when the ion conductor is deteriorated, can cause crosslinking of the ion conductor by binding to the deteriorated ion conductor.Type: GrantFiled: July 3, 2020Date of Patent: February 4, 2025Assignee: KOLON INDUSTRIES, INC.Inventors: Jung Hwa Park, Kwang Sei Oh, Dong Hoon Lee, Na Young Kim, Eun Su Lee, Seung Jib Yum
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Patent number: 12219700Abstract: A circuit board according to an embodiment includes a first insulating portion including at least one insulating layer; a second insulating portion disposed on the first insulating portion and including at least one insulating layer; and a third insulating portion disposed under the first insulating portion and including at least one insulating layer; wherein the insulating layer constituting the first insulating portion includes a prepreg containing glass fibers, and wherein each of the insulating layers constituting the second and third insulating portions is made of resin coated copper (RCC).Type: GrantFiled: August 25, 2020Date of Patent: February 4, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Yong Suk Kim, Dong Hwa Lee
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Publication number: 20250026252Abstract: A seat adjustment apparatus for a vehicle includes a plurality of connection frames provided along two opposite sides of a seat frame and two opposite sides of a back frame and configured to move forward or rearward depending on a folding direction of the back frame, guide parts provided at middle points of the plurality of connection frames and configured to be moved upward or downward by forward or rearward movements of the connection frames, and a seat cushion pipe provided inside the two connection frames and configured such that front ends of the seat cushion pipe are connected to the guide parts, and a position of a rear end of the seat cushion pipe is adjusted upward or downward by upward or downward movements of the guide parts.Type: ApplicationFiled: November 13, 2023Publication date: January 23, 2025Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.Inventors: Mu Young Kim, Chan Ho Jung, Dong Hoon Keum, Sang Soo Lee, Ho Suk Jung, Sang Do Park, Jong Su Kim, In Hoe Jeong, Soo Yong Kim, Jung Eun Kwon, Dong Jin Kim, Gwon Hwa Bok, Jun Sik Hwang, Cheol Hwan Yoon
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Patent number: 12207404Abstract: A circuit board may include an insulating layer; a circuit pattern disposed above the top surface of or below the bottom surface of the insulating layer; and a buffer layer disposed between the insulating layer and the circuit pattern, the buffer layer comprising carbon atoms, nitrogen atoms, oxygen atoms, silicon atoms, sulfur atoms, and metal atoms. The ratio of the carbon atoms to the metal atoms ((carbon atom/copper atom)*100) is within a range of 5-7; the ratio of the nitrogen atoms to the metal atoms ((nitrogen atom/copper atom)*100) is within a range of 1.5-7; the ratio of the oxygen atoms to the metal atoms ((oxygen atom/copper atom)*100) is within a range of 1.1-1.9; and the ratio of the silicon atoms to the metal atoms ((silicon atom/copper atom)*100) is within a range of 0.5-0.9; and the ratio of the sulfur atoms to the metal atoms ((sulfur atom/copper atom)*100) is within a range of 0.5-1.5.Type: GrantFiled: June 19, 2020Date of Patent: January 21, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Yong Suk Kim, Dong Hwa Lee
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Patent number: 12156720Abstract: The portable blood pressure measuring device includes a body part in which a controller for calculating blood pressure information, a display for outputting blood pressure information, and a power supply are built; a wrist strap coupled to the body part; a fastening unit for fastening the wrist strap to the wrist; a first pressure sensor coupled to a first position of the wrist strap; and a second pressure sensor coupled to a second position of the wrist strap, in which the first pressure sensor is disposed to be adjacent to a position under which the user's radial artery passes, and the second pressure sensor is disposed to be adjacent to a position under which the user's ulnar artery passes, in which the controller calculates a blood pressure based on a first pressure, a second pressure and an interference constant determined by the wrist strap.Type: GrantFiled: June 10, 2020Date of Patent: December 3, 2024Assignee: CHARMCARE CO., LTD.Inventor: Dong Hwa Lee
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Patent number: 12134271Abstract: Provided is a pressure control device for stably controlling the internal air pressure of a reservoir. The pressure control device includes: an input terminal receiving source air pressure; an intake valve connected between the input terminal and an output terminal; an exhaust valve connected to the output terminal; a pressure sensor connected to the output terminal and generating a sensed value by sensing pressure at the output terminal; and a controller simultaneously operating the intake valve and the exhaust valve by simultaneously operating a first control loop for adjusting the degree of opening of the intake valve by comparing the sensed value with a first target value and a second control loop for adjusting the degree of opening of the exhaust valve by comparing the sensed value with a second target value.Type: GrantFiled: March 13, 2023Date of Patent: November 5, 2024Inventors: Dong Hwa Lee, Dai Geon Yoon, Bong Man Choi, Jong Suk Won, Hyeong Jun Cho
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Publication number: 20240357824Abstract: There is provided a semiconductor memory device having improved reliability. The semiconductor memory device includes a cell substrate, a mold stack including mold insulating layers and gate electrodes, which are alternately stacked on the cell substrate, a semiconductor layer extended in a vertical direction crossing an upper surface of the cell substrate to pass through the mold stack, a blocking insulating pattern between the semiconductor layer and each of the gate electrodes, a charge storage layer including a charge trap portion between the semiconductor layer and the blocking insulating pattern and a first charge blocking portion between the semiconductor layer and each of the mold insulating layers, and a tunnel insulating layer between the semiconductor layer and the charge storage layer, wherein an oxygen concentration of the first charge blocking portion is higher than that of the charge trap portion.Type: ApplicationFiled: December 1, 2023Publication date: October 24, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Byong Ju KIM, Dong Sung CHOI, Won Jun PARK, Dong Hwa LEE, Jae Min JUNG, Chang Heon CHEON
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Unit for supplying substrate treating liquid and apparatus for treating substrate including the same
Patent number: 12119241Abstract: A unit for supplying a substrate-treating liquid is provided with a first reservoir and a second reservoir between which a differential pressure is constantly maintained to establish a flow rate, along with a substrate-treating apparatus having the unit for supplying the substrate-treating liquid. The unit for supplying the substrate-treating liquid includes a supply reservoir module and a buffer reservoir module. The supply reservoir module includes a first reservoir for supplying the substrate-treating liquid to an inkjet head unit for jetting the substrate-treating liquid onto a substrate, and a second reservoir for recovering the substrate-treating liquid that remains unused in the inkjet head unit. The buffer reservoir module is configured to provide the substrate-treating liquid to the first reservoir. Differential pressure is constantly maintained between the first reservoir and the second reservoir.Type: GrantFiled: August 2, 2022Date of Patent: October 15, 2024Assignee: SEMES CO., LTD.Inventors: Dong Hwa Lee, Dai Geon Yoon, Soo Hong Lee, Ji Hyeon Kim, Dae Sung Kim -
Patent number: 12101878Abstract: A circuit board according to an embodiments includes an insulating portion comprising a plurality of insulating layers, wherein the insulating portion includes: a first insulating portion; a second insulating portion disposed on the first insulating portion and having a coefficient of thermal expansion corresponding to the first insulating portion; and a third insulating portion disposed under the first insulating portion and having a coefficient of thermal expansion corresponding to the first insulating portion; wherein the first insulating portion includes a prepreg including glass fibers, and wherein the second and third insulating portions include a resin coated copper (RCC) with a coefficient of thermal expansion in the range of 10 to 65 (10?6 m/m·k).Type: GrantFiled: March 12, 2021Date of Patent: September 24, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Dong Hwa Lee, Yong Suk Kim
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Publication number: 20240217243Abstract: An ink treatment apparatus and method are provided. The ink treatment apparatus includes: a reservoir storing ink; a head module ejecting the ink; a first control valve controlling a flow of the ink; a plurality of fluid transfer lines installed between the reservoir and the head module and having the ink flow therein; a pump installed in the fluid transfer lines to pump the ink; a flow rate measurement module installed in the fluid transfer line, the flow rate measurement module measuring a flow rate of the ink in accordance with the flow of the ink and providing ink flow rate information that is information regarding the flow rate of the ink; and a control module controlling a circulation ratio of the ink between the fluid transfer lines by controlling the pump and the first control valve based on the ink flow rate information.Type: ApplicationFiled: April 18, 2023Publication date: July 4, 2024Applicant: SEMES CO., LTD.Inventors: Dong Hwa LEE, Dai Geon Yoon, Soo Hong Lee, Bong Man Choi, Dae Sung Kim
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Publication number: 20240208211Abstract: Provided is a pressure control device for stably controlling the internal air pressure of a reservoir. The pressure control device includes: an input terminal receiving source air pressure; an intake valve connected between the input terminal and an output terminal; an exhaust valve connected to the output terminal; a pressure sensor connected to the output terminal and generating a sensed value by sensing pressure at the output terminal; and a controller simultaneously operating the intake valve and the exhaust valve by simultaneously operating a first control loop for adjusting the degree of opening of the intake valve by comparing the sensed value with a first target value and a second control loop for adjusting the degree of opening of the exhaust valve by comparing the sensed value with a second target value.Type: ApplicationFiled: March 13, 2023Publication date: June 27, 2024Applicant: SEMES CO., LTD.Inventors: Dong Hwa LEE, Dai Geon YOON, Bong Man CHOI, Jong Suk WON, Hyeong Jun CHO
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Publication number: 20240081668Abstract: Provided is a blood pressure measuring device. The blood pressure measuring device is configured to be worn around a wrist of an examinee, and includes: a first strap configured to be wound on a part of the wrist adjacent to an ulnar artery; a second strap connected to the first strap to be worn around the wrist, configured to be worn on a part of the wrist adjacent to a radial artery, and including an air pocket into and from which air selectively flows; and a main body provided on the first strap or the second strap and including a measurement unit configured to measure a pressure of the air pocket and a controller configured to calculate a blood pressure of a user based on the pressure of the air pocket measured by the measurement unit.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Inventor: Dong Hwa LEE
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Publication number: 20230260806Abstract: A substrate processing system, according to one embodiment, comprises: a cleaning device, positioned at a first position, for performing a cleaning process for a substrate; a drying device, positioned at a second position, for performing a drying process for the substrate; and a transfer unit for transferring the substrate from the cleaning device to the drying device, wherein the first position and the second position may be vertically arranged.Type: ApplicationFiled: May 28, 2021Publication date: August 17, 2023Applicant: KCTECH CO., LTD.Inventors: Dong Hwa LEE, Hyung Chul KIM, You Sun JUNG
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Patent number: 11701693Abstract: The substrate processing device according to one embodiment may comprise: a chamber unit provided with a processing space therein and comprising an inclined chamber surface having an opening; a door unit comprising an inclined door surface, which corresponds to the inclined chamber surface, and capable of being coupled to the chamber unit; and a door driving unit for driving the door unit so as to open/close the processing space.Type: GrantFiled: November 5, 2020Date of Patent: July 18, 2023Assignee: KCTECH CO., LTD.Inventors: Hyung Chul Kim, Dong Hwa Lee, You Sun Jung
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Publication number: 20230211612Abstract: Provided are an apparatus for providing a substrate processing liquid having an optimal structure in the correlation between securing internal agitation fluidity and recovery of sloshing, and a substrate processing system including the same. The apparatus for providing substrate processing liquid comprises a storage tank for storing substrate processing liquid, and a partition wall installed inside the storage tank and for dividing an internal space of the storage tank, wherein the apparatus is connected to a substrate processing apparatus for discharging the substrate processing liquid onto a substrate to provide the substrate processing liquid to the substrate processing apparatus, wherein the partition wall includes a plurality of holes formed passing through one surface and the other surface.Type: ApplicationFiled: December 29, 2022Publication date: July 6, 2023Inventors: Dai Geon YOON, Soo Hong LEE, Dong Hwa LEE, Ji Hyeon KIM, Sang Hwa LEE, Dae Sung KIM
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Publication number: 20230181049Abstract: A blood pressure measurement system according to the present invention comprises: a sensor unit for detecting a human arterial pulse wave and a variable pressure arterial pulse wave; and a blood pressure calculation unit which calculates a blood pressure value using the human arterial pulse wave and the variable pressure arterial pulse wave, wherein the sensor unit senses the pulse wave at a part to which a variable pressure is applied in order to detect the variable pressure arterial pulse wave. Since a blood pressure value calculated from the arterial pulse wave detected at one part of a human body and the variable pressure arterial pulse wave detected at another part of the human body to which the variable pressure is applied can be output, blood pressure can be calculated faster than when using existing oscillometric sphygmomanometers which take at least 40 seconds to measure blood pressure, and thus an accurate blood pressure value can be calculated.Type: ApplicationFiled: December 23, 2020Publication date: June 15, 2023Applicant: CHARMCARE CO., LTD.Inventor: Dong Hwa LEE
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Publication number: 20230119237Abstract: A circuit board according to an embodiments includes an insulating portion comprising a plurality of insulating layers, wherein the insulating portion includes: a first insulating portion; a second insulating portion disposed on the first insulating portion and having a coefficient of thermal expansion corresponding to the first insulating portion; and a third insulating portion disposed under the first insulating portion and having a coefficient of thermal expansion corresponding to the first insulating portion; wherein the first insulating portion includes a prepreg including glass fibers, and wherein the second and third insulating portions include a resin coated copper (RCC) with a coefficient of thermal expansion in the range of 10 to 65 (10?6 m/m·k).Type: ApplicationFiled: March 12, 2021Publication date: April 20, 2023Inventors: Dong Hwa LEE, Yong Suk KIM