Patents by Inventor Jae-Bum Cho

Jae-Bum Cho 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).

  • Patent number: 12014883
    Abstract: A tantalum capacitor includes a sintered tantalum body including tantalum powder, a conductive polymer layer disposed on the sintered tantalum body and including a first filler, a carbon layer disposed on the conductive polymer layer; and a tantalum body including a tantalum wire penetrating through at least a portion of each of the sintered tantalum body and the conductive polymer layer in a first direction. A ratio of an area of the first filler to an area of the conductive polymer layer is greater than 0.38 in a first cross-section partially overlapping the sintered tantalum body, among cross-sections perpendicular to the first direction.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: June 18, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Hyun Lee, Jin Ho Hong, Hyun Sub Oh, Youn Soo Kim, Jae Bum Cho, Hee Sung Choi
  • Publication number: 20240108391
    Abstract: Present disclosure provides a cooling device with safety features and methods for controlling temperature of the cooling device for safe cooling of target surface.
    Type: Application
    Filed: November 30, 2023
    Publication date: April 4, 2024
    Inventors: Gun-Ho KIM, Jae Bum CHO, Dae Hyun KIM, Chul Ho LEE
  • Publication number: 20240069659
    Abstract: A display device according to an embodiment includes a pixel electrode disposed on a substrate, a pixel defining layer disposed on the pixel electrode and including a pixel opening overlapping the pixel electrode, an encapsulation layer disposed on the pixel defining layer, a sensing electrode portion disposed on the encapsulation layer, a sensing insulating layer overlapping at least part of the sensing electrode portion, and an adhesive layer disposed on the sensing insulating layer. The sensing insulating layer includes a first region overlapping the sensing electrode portion, and a second region overlapping the pixel opening. A refractive index of the adhesive layer is less than a refractive index of the sensing insulating layer.
    Type: Application
    Filed: June 28, 2023
    Publication date: February 29, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Ik LIM, Seong Jun LEE, Jae Bum CHO, Hyungseok LEE
  • Patent number: 11883086
    Abstract: Present disclosure provides a cooling device with safety features and methods for controlling temperature of the cooling device for safe cooling of target surface.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: January 30, 2024
    Assignee: Recensmedical, Inc.; Ulsan National Institute of Science and Technology
    Inventors: Gun-Ho Kim, Jae Bum Cho, Dae Hyun Kim, Chul Ho Lee
  • Patent number: 11816922
    Abstract: A fingerprint extraction apparatus includes a fingerprint generation module configured to generate first and second virtual fingerprint images, perform primary image processing on the first virtual fingerprint image and primary and secondary image processing on the second virtual fingerprint images, and generate virtual overlapped fingerprint images by combining the first and second virtual fingerprint images on which image processing is performed; a machine learning module configured to generate a learning model by performing machine learning using the virtual overlapped fingerprint images as input data; and a fingerprint extraction module configured to extract a fingerprint located vertically on a center of a real image by inputting the real image to a target fingerprint extraction learning model, and the primary image processing comprises image processing on a curve forming a fingerprint, and the secondary image processing comprises image processing on a location of the fingerprint in the image.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: November 14, 2023
    Assignee: Seoul National University R&DB Foundation
    Inventors: Byoung Ho Lee, Jae Bum Cho, Dong Heon Yoo, Min Seok Chae, Ju Hyun Lee
  • Publication number: 20230225901
    Abstract: Proposed is a filter fixing module mounted to a handpiece cooling device having a connecting unit such that a refrigerant supply unit is coupled thereto, the filter fixing module including a body having a support surface formed in a plate shape, and a receiving surface formed on an edge of the support surface and protruding in a first direction relative to the support surface so as to prevent removal of a filter received in the support surface, and a grip unit connected to the body, wherein the grip unit comprises a first grip member and a second grip member extending in directions opposite to the protruding direction of the receiving surface relative to the body.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Inventors: Gun-Ho KIM, Jae Bum CHO, Kyong Kwan RO, Boo Seong PARK, Chul Ho LEE
  • Patent number: 11679024
    Abstract: Proposed is a filter fixing module mounted to a handpiece cooling device having a connecting unit such that a refrigerant supply unit is coupled thereto, the filter fixing module including a body having a support surface formed in a plate shape, and a receiving surface formed on an edge of the support surface and protruding in a first direction relative to the support surface so as to prevent removal of a filter received in the support surface, and a grip unit connected to the body, wherein the grip unit comprises a first grip member and a second grip member extending in directions opposite to the protruding direction of the receiving surface relative to the body.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: June 20, 2023
    Assignees: RECENSMEDICAL, INC., ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Gun-Ho Kim, Jae Bum Cho, Kyong Kwan Ro, Boo Seong Park, Chui Ho Lee
  • Patent number: 11683958
    Abstract: A display device includes: a substrate; a polycrystalline semiconductor layer which includes a first electrode, a channel, and a second electrode of a driving transistor disposed on the substrate; a first gate insulating layer disposed on the polycrystalline semiconductor layer; a gate electrode of the driving transistor which is disposed on the first gate insulating layer and overlaps the channel; a lower first scan line disposed on the first gate insulating layer; a second gate insulating layer disposed on the gate electrode and on the lower first scan line; a first lower boost electrode disposed on the second gate insulating layer; a first interlayer-insulating layer disposed on the first lower boost electrode; an oxide semiconductor layer disposed on the first interlayer-insulating layer and including a first upper boost electrode overlapping the first lower boost electrode; and a first connection electrode connecting the gate electrode and the first upper boost electrode.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Chan Lee, Beom Soo Park, Wang Jo Lee, Jae Bum Cho, Jae Ik Lim
  • Publication number: 20230140133
    Abstract: A tantalum capacitor includes a sintered tantalum body including tantalum powder, a conductive polymer layer disposed on the sintered tantalum body and including a first filler, a carbon layer disposed on the conductive polymer layer; and a tantalum body including a tantalum wire penetrating through at least a portion of each of the sintered tantalum body and the conductive polymer layer in a first direction. A ratio of an area of the first filler to an area of the conductive polymer layer is greater than 0.38 in a first cross-section partially overlapping the sintered tantalum body, among cross-sections perpendicular to the first direction.
    Type: Application
    Filed: June 7, 2022
    Publication date: May 4, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Hyun Lee, Jin Ho Hong, Hyun Sub Oh, Youn Soo Kim, Jae Bum Cho, Hee Sung Choi
  • Publication number: 20230118211
    Abstract: A fingerprint extraction apparatus includes a fingerprint generation module configured to generate first and second virtual fingerprint images, perform primary image processing on the first virtual fingerprint image and primary and secondary image processing on the second virtual fingerprint images, and generate virtual overlapped fingerprint images by combining the first and second virtual fingerprint images on which image processing is performed; a machine learning module configured to generate a learning model by performing machine learning using the virtual overlapped fingerprint images as input data; and a fingerprint extraction module configured to extract a fingerprint located vertically on a center of a real image by inputting the real image to a target fingerprint extraction learning model, and the primary image processing comprises image processing on a curve forming a fingerprint, and the secondary image processing comprises image processing on a location of the fingerprint in the image.
    Type: Application
    Filed: December 31, 2019
    Publication date: April 20, 2023
    Inventors: Byoung Ho LEE, Jae Bum CHO, Dong Heon YOO, Min Seok CHAE, Ju Hyun LEE
  • Publication number: 20230000666
    Abstract: Proposed is a filter fixing module mounted to a handpiece cooling device having a connecting unit such that a refrigerant supply unit is coupled thereto, the filter fixing module including a body having a support surface formed in a plate shape, and a receiving surface formed on an edge of the support surface and protruding in a first direction relative to the support surface so as to prevent removal of a filter received in the support surface, and a grip unit connected to the body, wherein the grip unit comprises a first grip member and a second grip member extending in directions opposite to the protruding direction of the receiving surface relative to the body.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 5, 2023
    Inventors: Gun-Ho KIM, Jae Bum CHO, Kyong Kwan RO, Boo Seong PARK, Chul Ho LEE
  • Publication number: 20220160414
    Abstract: Present disclosure provides a cooling device with safety features and methods for controlling temperature of the cooling device for safe cooling of target surface.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 26, 2022
    Inventors: Gun-Ho KIM, Jae Bum CHO, Dae Hyun KIM, Chul Ho LEE
  • Patent number: 11278341
    Abstract: Present disclosure provides a cooling device with safety features and methods for controlling temperature of the cooling device for safe cooling of target surface.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: March 22, 2022
    Assignees: RECENSMEDICAL, INC., Ulsan National Institute of Science and Technology
    Inventors: Gun-Ho Kim, Jae Bum Cho, Dae Hyun Kim, Chul Ho Lee
  • Publication number: 20220077263
    Abstract: A display device includes: a substrate; a polycrystalline semiconductor layer which includes a first electrode, a channel, and a second electrode of a driving transistor disposed on the substrate; a first gate insulating layer disposed on the polycrystalline semiconductor layer; a gate electrode of the driving transistor which is disposed on the first gate insulating layer and overlaps the channel; a lower first scan line disposed on the first gate insulating layer; a second gate insulating layer disposed on the gate electrode and on the lower first scan line; a first lower boost electrode disposed on the second gate insulating layer; a first interlayer-insulating layer disposed on the first lower boost electrode; an oxide semiconductor layer disposed on the first interlayer-insulating layer and including a first upper boost electrode overlapping the first lower boost electrode; and a first connection electrode connecting the gate electrode and the first upper boost electrode.
    Type: Application
    Filed: June 7, 2021
    Publication date: March 10, 2022
    Inventors: Seung Chan LEE, Beom Soo PARK, Wang Jo LEE, Jae Bum CHO, Jae Ik LIM
  • Publication number: 20220015817
    Abstract: Present disclosure provides a cooling device with safety features and methods for controlling temperature of the cooling device for safe cooling of target surface.
    Type: Application
    Filed: July 12, 2021
    Publication date: January 20, 2022
    Inventors: Gun-Ho KIM, Jae Bum CHO, Dae Hyun KIM, Chul Ho LEE
  • Publication number: 20210096363
    Abstract: The present disclosure relates to a near-eye display device, and more particularly, to a near-eye display device including: a display module configured to reproduce a predetermined image; a lens module positioned in front of the display module for being located between the user's eyes and the display module; and a backlight module positioned behind the display module and providing light to the display module, wherein: the display module induces a convergence response of the user's eyes such that the image may have a predetermined convergence distance; the lens module induces a focusing response of the user's eyes such that a focal distance to the image reproduced by the display module may be varied within a predetermined range; and when the image reproduced by the display module has a specific focal distance by operation of the lens module, the backlight module operates to provide light to the display module such that the image reproduced by the display module may be incident in the user's eyes while having t
    Type: Application
    Filed: February 20, 2019
    Publication date: April 1, 2021
    Inventors: Seung Jae LEE, Youngjin JO, Dong Heon YOO, Jae Bum CHO, Duk Ho LEE, Byoung Ho LEE
  • Patent number: 10955559
    Abstract: A global navigation satellite system (GNSS) receiver includes an internal signal processor configured to perform an internal signal processing operation on a satellite signal to generate satellite information, a switching circuit configured to transmit the satellite signal to the internal signal processor, and a control circuit configured to receive a blanking signal from an external communication device instructing that the internal signal processing operation is to be blocked, and configured to output control information for reducing transmission power of the external communication device and to control the switching circuit to transmit the satellite signal to the internal signal processor regardless of the blanking signal when a frequency at which the blanking signal is received exceeds a reference value.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: March 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Soo Yu, Bhaskar Nallapureddy, Jae-Bum Cho
  • Patent number: 10811195
    Abstract: A solid electrolytic capacitor includes a capacitor body including a sintered body of tantalum powders; an anode wire having a first region in a width direction embedded in the capacitor body and a second region in the width direction led through one surface of the capacitor body; an encapsulant part enclosing the capacitor body and the anode wire; an anode terminal disposed on an outer surface of the encapsulant part and connected to the anode wire; a cathode terminal spaced apart from the anode terminal and disposed on the outer surface of the encapsulant part; and a cathode lead portion electrically connecting the capacitor body and the cathode terminal to each other, wherein at least one of the anode wire and the cathode lead portion is provided in plural.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: October 20, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hong Kyu Shin, Jae Bum Cho, Jae Hyuk Choi
  • Patent number: 10578925
    Abstract: A liquid crystal display device includes a first substrate, a first alignment film disposed on the first substrate, a second substrate, and a liquid crystal layer disposed between the first alignment film and the second substrate. The first substrate has a surface curved in a first direction and the second substrate has a surface curved in the first direction. The first alignment film includes a polymerization initiator and a polymer chain that is a copolymer of a dianhydride-based compound and a diamine-based compound. The polymer chain includes a main chain including a repeating unit including an imide group, a first side chain, including a vertical align group, bonded to the main chain, and a second side chain bonded to the main chain. The functional group includes a biphenyl group or a terphenyl group.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: March 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Jae Bum Cho, Ka Eun Kim, Su Jin Kim, Ki Chul Shin
  • Patent number: 10564480
    Abstract: A liquid crystal display including a first substrate; a second substrate on the first substrate; a liquid crystal layer between the first substrate and the second substrate; a first alignment layer between the first substrate and the liquid crystal layer and including a first polymer; a second alignment layer between the second substrate and the liquid crystal layer and including a second polymer; and protrusions between the first alignment layer and the liquid crystal layer, wherein at least one of the protrusions includes an alignment polymer polymerized with a reactive mesogen, the first polymer includes a first main chain and a plurality of first side chains connected to the first main chain, and at least one of the plurality of first side chains includes a photoreactive group and a photoreactive derivative, and wherein the photoreactive group has an absorbance that is greater than that of the reactive mesogen.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh Jeong Kwon, Hyeok Jin Lee, Ka Eun Kim, Soo Dong Kim, Su Jin Kim, Jae Bum Cho