Patents by Inventor Byung Jin Choi

Byung Jin Choi 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).

  • Publication number: 20220312594
    Abstract: A printed circuit board according to an embodiment of the present invention includes a core layer and a circuit wiring layer disposed on a top surface of the core layer. The core layer is spaced apart from the circuit wiring layer and includes through-holes formed around the circuit wiring layer. Flexibility of the printed circuit board may be enhanced by the through-hole to obtain bending stability.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Inventors: Dong Pil PARK, Byung Jin CHOI, Na Yeon KIM
  • Patent number: 11454883
    Abstract: Methods, systems, and apparatus for identifying dimensional attributes of a first active area of a template; based at least in part on the dimensional attributes of the first active area, determining a desired magnification correction of a second active area of a substrate; determining an out-of-plane distortion of the template, the substrate, or both; applying a back pressure to the template, the substrate, or both, to compensate for the out-of-plane distortion of the template, the substrate, or both; after compensating for the out-of-plane distortion of the template, the substrate, or both: i) contacting an imprint resist positioned on the substrate with the template such that pattern features in the first active area are filled by the imprint resist, and ii) applying an additional back pressure to the template, the substrate, or both, wherein the additional back pressure is selected such that the second active area exhibits the desired magnification correction.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: September 27, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Byung-Jin Choi, Anshuman Cherala, Mario Johannes Meissl
  • Publication number: 20220302573
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, and a plurality of a first antenna unit and a plurality of a second antenna unit alternately and repeatedly disposed on a top surface of the dielectric layer. The first antenna unit and the second antenna unit have different lengths or areas from each other.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 22, 2022
    Inventors: Byung Jin CHOI, Won Hee LEE, Jae Hyun LEE
  • Publication number: 20220297578
    Abstract: A railess variable seatback type rear seat includes: a linear movement device configured to convert a rotation of a motor into a linear movement; a sliding movement device configured to convert the linear movement into a sliding movement in which a seat cushion is pushed forward or backward; and a reclining angle change device configured to convert the sliding movement into a reclining movement, and to fold a seatback, which is connected to the seat cushion, forward or to recline the seatback backward.
    Type: Application
    Filed: July 20, 2021
    Publication date: September 22, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.
    Inventors: Seung-Hyun KIM, Sang-Hyun LEE, Min-Ju LEE, Byung-Yong CHOI, Chan-Ho JUNG, Seon-Chae NA, Young-Woon CHOI, Jae-Jin LEE, Dong-Hwan KIM, In-Chang HWANG
  • Patent number: 11449161
    Abstract: A touch sensor includes a substrate layer, a plurality of sensing electrodes on the substrate layer, and at least one device hole penetrating through one or more of the sensing electrodes. A functional device of an image display device may overlap the device hole so that an optical interference by the touch sensor may be prevented.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: September 20, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Jin Choi, HwanSil Jang
  • Publication number: 20220294106
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer and an antenna unit disposed on a top surface of the dielectric layer. The antenna unit includes a mesh structure. The mesh structure of the antenna unit includes unit cells that are repeatedly arranged, and diagonal lines of each unit cell are inclined with respect to a width direction or a length direction of the antenna device. The antenna device having reduced pattern visibility and having improved transmittance and signal sensitivity is provided.
    Type: Application
    Filed: June 2, 2022
    Publication date: September 15, 2022
    Inventors: Byung Jin CHOI, Hee Jun PARK, Jae Hyun LEE
  • Patent number: 11442359
    Abstract: A method of separating a template from a cured layer on a substrate. Including, sending instructions to move the template away from the cured layer at a first rate, at a second point in time. Including, receiving a first data set as a function of time starting after the second point in time. Including, fitting a model of the first data set to a database of historical data sets. Including, identifying a target data set in the historical data sets based on results of the fit of the model of the first data set and information in the target data set. Including, sending instructions to move the template away from the substrate at a second rate at a third point in time after the second point in time based on the identified target data set.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: September 13, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tom H. Rafferty, Byung-Jin Choi
  • Patent number: 11431095
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, a first electrode layer disposed on a top surface of the dielectric layer, the first electrode layer including a radiation pattern, a second electrode layer disposed on a bottom surface of the dielectric layer, and a flexible circuit board connecting the first electrode layer and the second electrode layer with each other along a lateral portion of the dielectric layer. Efficiency of grounding and noise removing may be improved by the flexible circuit board.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: August 30, 2022
    Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.
    Inventors: Yoon Ho Huh, Han Sub Ryu, Byung Jin Choi, Won Bin Hong
  • Publication number: 20220271412
    Abstract: An antenna element according to an exemplary embodiment includes a radiation body, a first transmission line extending from the radiation body in a first direction, a second transmission line extending from the radiation body in a second direction, a first signal pad extending from an end of the first transmission line in the first direction, and a second signal pad extending from an end of the second transmission line in the second direction.
    Type: Application
    Filed: February 9, 2022
    Publication date: August 25, 2022
    Inventors: Byung Jin CHOI, Han Sub RYU, Won Hee LEE, Jae Hyun LEE
  • Patent number: 11422460
    Abstract: A method and system for controlling a position of a moveable stage having a substrate supported thereon is provided. First position information representing a position of the substrate relative to a mark on an object is obtained from a sensor. Alignment prediction information is generated based on the obtained first position wherein the generated alignment prediction information including at least one parameter value. First trajectory information is generated and includes the at least one parameter value based on the obtained first position information and the generated alignment prediction information. Second trajectory information is generated based on the generated alignment prediction information first trajectory information and second position information, wherein the second position information represents a position of the moveable stage.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: August 23, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mingji Lou, Jeffrey D. Klein, Takahiro Yoshida, Steven T. Jenkins, Byung-Jin Choi
  • Publication number: 20220263276
    Abstract: A connector structure according to an embodiment of the present disclosure includes a second connector and a first connector coupled to the second connector. The first connector includes a first insulator, a first conductive connection terminal disposed on the first insulator, a second conductive connection terminal spaced apart from the first conductive connection terminal to form a single row structure on the first insulator together with the first conductive connection terminal, and a first barrier structure disposed between the first conductive connection terminal and the second conductive connection terminal on the first insulator.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 18, 2022
    Inventors: Young Ju KIM, Byung Jin CHOI, Han Sub RYU, Na Yeon KIM, Dong Pil PARK, Jae Hyun LEE
  • Publication number: 20220259045
    Abstract: The present invention relates to a bundle-type carbon nanotube which has a bulk density of 25 to 45 kg/m3, a ratio of the bulk density to a production yield of 1 to 3, and a ratio of a tap density to the bulk density of 1.3 to 2.0, and a method for preparing the same.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Inventors: Sung Jin Kim, Jae Keun Yoon, Dong Hyun Cho, Hyun Joon Kang, Byung Yul Choi, Duk Ki Kim, Hyun Woo Park, Hyo Sang You
  • Publication number: 20220263237
    Abstract: An antenna module according to an embodiment of the present invention includes a plurality of first sensing electrode rows, a plurality of second sensing electrode columns spaced apart from the first sensing electrode rows, an insulating interlayer formed between the first sensing electrode rows and the second sensing electrode columns, and an antenna unit inserted in at least one second sensing electrode column of the second sensing electrode columns to be electrically and physically separated from the second sensing electrode columns. The antenna unit does not overlap the first sensing electrode rows in a planar view.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 18, 2022
    Inventors: Byung Jin CHOI, Hee Jun PARK, Jae Hyun LEE
  • Patent number: 11392241
    Abstract: An electrode connection structure includes a substrate layer, a plurality of pads on the substrate layer, and an insulation layer at least partially covering the substrate layer and the pads. The insulation layer includes a plurality of holes on the pads and at least one first groove line extending between the pads neighboring each other.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: July 19, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Jin Choi, Jae Hyun Lee
  • Publication number: 20220224000
    Abstract: An antenna device according to an embodiment of the present invention includes a substrate layer, an antenna unit formed on a top surface of the substrate layer, a circuit wiring disposed on the top surface of the substrate layer and directly connected to the antenna unit, a stress compensation layer covering the circuit wiring on the top surface of the substrate layer and having a thickness greater than a thickness of the substrate layer, a first dielectric layer formed on a bottom surface of the substrate layer to overlap the circuit wiring in a planar view, and a first ground layer overlapping the circuit wiring in the planar view with the first dielectric layer or the stress compensation layer interposed therebetween.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 14, 2022
    Inventors: Seung Hyun SHIN, Na Yeon KIM, Byung Jin CHOI
  • Publication number: 20220216587
    Abstract: An antenna package according to an embodiment of the present disclosure includes a first antenna device including a first antenna unit, a first circuit board electrically connected to the first antenna unit, a second circuit board electrically connected to the first circuit board, a second antenna unit integrated with the second circuit board, and an antenna driving integrated circuit chip mounted on the second circuit board and electrically connected to the first antenna unit and the second antenna unit. Multi-axial radiation is implemented using the antenna package with high efficiency and reliability.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 7, 2022
    Inventors: Byung Jin CHOI, Na Yeon KIM, Han Sub RYU, Dong Pil PARK
  • Publication number: 20220216596
    Abstract: An antenna structure according to an embodiment of the present invention includes a dielectric layer, a radiator disposed on the dielectric layer, a transmission line branching from the radiator, a signal pad electrically connected to the radiator through the transmission line on the dielectric layer, and an external circuit structure bonded to the signal pad. The signal pad includes a bonding region that is bonded to the external circuit structure and a margin region that is not bonded to the external circuit structure and is adjacent to the bonding region. An area ratio of the margin region relative to the bonding region in the signal pad is 0.05 or more and less than 0.5.
    Type: Application
    Filed: January 4, 2022
    Publication date: July 7, 2022
    Inventors: Han Sub RYU, Na Yeon KIM, Byung Jin CHOI
  • Publication number: 20220193571
    Abstract: A plate connecting assembly according to an embodiment includes a first frame, with an upper portion and a lower portion of the first frame making a predetermined angle with each other, and a second frame having a first support portion facing the upper portion and a second support portion facing the lower portion. In the plate connecting assembly, a first fixation-subject object is fixed between the upper portion and the first support portion, a second fixation-subject is fixed between the lower portion and the second support portion, and thus the first and second fixation-subject objects are fixed in such a manner that an angle therebetween is the same as an angle that the upper portion and the lower portion make with each other.
    Type: Application
    Filed: July 30, 2020
    Publication date: June 23, 2022
    Inventors: Su Hyeon LIM, Byung Jin CHOI
  • Patent number: 11347144
    Abstract: Reducing an overlay error in nanoimprint lithography includes forming an imprinted substrate having pairs of corresponding peripheral overlay marks and corresponding central overlay marks on the imprinted substrate. An in-plane overlay error is assessed based on relative positions of corresponding central overlay marks, and a combined overlay error is assessed based on relative positions of corresponding peripheral overlay marks. A difference between the combined overlay error and the in-plane overlay error is assessed to yield an adjusted overlay error for each pair of corresponding peripheral overlay marks.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: May 31, 2022
    Inventors: Anshuman Cherala, Mario Johannes Meissl, Byung-Jin Choi
  • Publication number: 20220158329
    Abstract: An antenna package according to an embodiment of the present disclosure includes an antenna device including an antenna unit, and a first circuit board electrically connected to the antenna device. The first circuit board includes a first core layer, a first circuit wiring layer formed on one surface of the first core layer and electrically connected to the antenna unit, a first connector connected to an end portion of the first circuit wiring layer on the one surface of the first core layer, and a first shielding barrier disposed on the other surface opposite to the one surface of the first core layer. The first shielding barrier at least partially covers the first connector in a planar view.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 19, 2022
    Inventors: Byung Jin CHOI, Na Yeon KIM, Young Ju KIM, Han Sub RYU