Patents by Inventor Jun Choi

Jun 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: 20230039809
    Abstract: An image sensor comprises a first and second chips. The first chip includes a first semiconductor substrate, a photoelectric conversion layer in the first semiconductor substrate, a color filter, a micro lens, a first transistor adjacent to the photoelectric conversion layer, a first insulating layer, and a first metal layer in the first insulating layer and connected to the first transistor. The second chip includes a second insulating layer, a second semiconductor substrate, a second transistor on the second semiconductor substrate, a second metal layer in the second insulating layer and connected to a gate structure of the second transistor through a gate contact, a landing metal layer below the second metal layer, and a through via in direct contact with the landing metal layer and vertically passing through the second semiconductor substrate. A width of the through via becomes narrower as the width approaches the third surface.
    Type: Application
    Filed: April 21, 2022
    Publication date: February 9, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Min-Jun CHOI, Won Oh RYU, Hyeon Woo LEE, Gyu Hyun LIM
  • Publication number: 20230039356
    Abstract: A battery management apparatus includes: a profile generating unit configured to obtain a battery profile representing a correspondence between voltage and capacity of a battery and generate a differential profile representing a correspondence between a differential voltage for the capacity of the battery and the capacity or a correspondence between a differential capacity for the voltage of the battery and the voltage based on the obtained battery profile; and a control unit configured to receive the generated differential profile from the profile generating unit, determine a target peak included in the received differential profile according to a rule corresponding to a type of the received differential profile, and determine a state of the battery based on a behavior change of the target peak with respect to a reference peak preset to correspond to the type of the received differential profile.
    Type: Application
    Filed: July 16, 2021
    Publication date: February 9, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Su-Won Jee, Dae-Soo Kim, Young-Deok Kim, Hyun-Jun Choi
  • Patent number: 11574592
    Abstract: A display device includes a base substrate including a first substrate and a second substrate sequentially laminated, a lower semiconductor layer disposed on at least one of the first substrate and the second substrate, a buffer layer disposed on the base substrate, an active semiconductor layer disposed on the buffer layer and including a first active layer of a first transistor and a second active layer of a second transistor, a first insulating layer disposed on the active semiconductor layer, and a first conductive layer disposed on the first insulating layer and including a first gate electrode of the first transistor and a second gate electrode of the second transistor, wherein the lower semiconductor layer overlaps the first active layer, and does not overlap the second active layer.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: February 7, 2023
    Inventors: Eung Taek Kim, Hee Yeon Kim, Hwang Sup Shin, Na Lae Lee, Jin Suk Lee, Taek Geun Lee, Joo Hyeon Jo, Jung Mi Choi, Hong Jun Choi, Young In Hwang
  • Publication number: 20230036948
    Abstract: A foldable rocking chair frame includes a left side stand and a right side stand. Each stand includes a rocking structure and a plurality of supports interconnected and foldable into each other. The rocking structure includes an arched member, a slider, and one or more links. When the frame is unfolded, the arched member has an end portion disposed at the rear side of the frame and extends from the rear side of the frame toward the front side of the frame. The slider is disposed at the arched member and slidable along the arched member. Each of the one or more links is pivotally connected to the arched member and a support in the plurality of supports. The left and right side stands are connected by a connecting assembly that allows the left and right side stands to fold into each other.
    Type: Application
    Filed: July 8, 2022
    Publication date: February 2, 2023
    Inventor: Kwan Jun Choi
  • Publication number: 20230036332
    Abstract: A separator for a lithium secondary battery comprising a porous polymer substrate and a porous coating layer on at least one surface of the porous polymer substrate. The separator has an ionic conductivity of 4.75×10?5 S/cm or more, and the porous coating layer comprises an interstitial volume and a macro pore having a larger diameter than the interstitial volume. A method for manufacturing the separator is also disclosed. Accordingly, the separator has significantly improved ionic conductivity over commercial separators.
    Type: Application
    Filed: December 21, 2020
    Publication date: February 2, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Dae-Soo KIM, Young-Deok KIM, Hyun-Jun CHOI, Seok-Koo KIM, Su-Won JEE
  • Patent number: 11564494
    Abstract: A blow-molded unitary structure includes a panel having first and second panel walls and a generally hollow interior between the first and second panel walls. The structure also includes one or more different types of strengthening elements monolithically formed with the panel and across a substantial portion of the panel to enhance the strength of the structure. A strengthening element can be a depression recessing from the second panel wall toward an interior of the panel, a protrusion protruding from the second panel wall toward an exterior of the panel, a rib protruding outwardly toward the exterior of the panel and a trench formed by side walls of adjacent protrusions.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: January 31, 2023
    Assignee: Inno-Sports Co., Ltd.
    Inventor: Kwan Jun Choi
  • Patent number: 11564492
    Abstract: A blow-molded unitary structure includes a panel having first and second panel walls and a generally hollow interior between the first and second panel walls. The structure also includes one or more different types of strengthening elements monolithically formed with the panel and across a substantial portion of the panel to enhance the strength of the structure. A strengthening element can be a depression recessing from the second panel wall toward an interior of the panel, a protrusion protruding from the second panel wall toward an exterior of the panel, a rib protruding outwardly toward the exterior of the panel and a trench formed by side walls of adjacent protrusions.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: January 31, 2023
    Assignee: Inno-Sports Co., Ltd.
    Inventor: Kwan Jun Choi
  • Publication number: 20230023014
    Abstract: A battery management system comprising a positive electrode material exhibiting a phase transition behavior in a predetermined capacity range and a negative electrode material having plateau characteristics over the predetermined capacity range. The battery management system includes a sensing unit to output sensing information indicating a voltage and a current of the battery, and a control unit. The control unit determines a voltage curve indicating a correspondence relationship between a capacity of the battery and the voltage of the battery based on the sensing information collected during constant current charging or constant current discharging of the battery. The control unit determines a differential voltage curve based on the voltage curve. The control unit detects a peak of interest in a predetermined capacity range appearing in the differential voltage curve. The control unit determines a first capacity loss ratio of the battery based on a differential voltage of the peak of interest.
    Type: Application
    Filed: April 19, 2021
    Publication date: January 26, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun-Jun Choi, Young-Deok Kim, Dae-Soo Kim, Su-Won Jee
  • Patent number: 11560253
    Abstract: A roller assembly includes at least one roller, an L-shaped board and at least one L-shaped fixing member. The L-shaped fixing member is fixed on the L-shaped board; and the roller is fixed and connected on the L-shaped board through the L-shaped fixing member. A package includes a box and the roller assembly. The box contains at least one hole and the roller protrudes from the hole. Further, the package is used as follows. The box is opened and the matter to be packaged is put into the box. Then the roller assembly is placed into the box, and the roller assembly is sandwiched between the box and the matter. Next, the roller(s) is aligned with the hole(s). Subsequently, the box and the matter are compressed to make the roller(s) protrude from the hole(s). Finally, the box are sealed from the bottom surface to complete the package.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: January 24, 2023
    Assignee: Inno-Sports Co., Ltd.
    Inventor: Kwan Jun Choi
  • Patent number: 11562852
    Abstract: A coil component includes a body having one surface and the other surface and a plurality of wall surfaces, first and second insulating substrates spaced apart from each other, first and second recesses disposed in both end surfaces of the body and extending to one surface of the body, first and second coil portions disposed on the first and second insulating substrates, one ends and the other ends of the first and second coil portions being exposed to the first and second recesses, first and second external electrodes disposed along an inner surface of the first recess and one surface of the body and connected to one ends of the first and second coil portions, and third and fourth external electrodes disposed along an inner surface of the second recess and one surface of the body and connected to the other ends of the first and second coil portions.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: No Il Park, Seung Mo Lim, Tai Yon Cho, In Young Kang, Byeong Cheol Moon, Doo Ho Park, Jeong Hoon Ryou, Tae Jun Choi
  • Patent number: 11560063
    Abstract: A charging connector control system may include a charging control unit of a charging equipment for supplying a control signal for charging; and a vehicle control unit for changing a sensing control signal to a normal control signal by executing a variable resistor control according to whether the sensing control signal, which is generated by sensing the control signal transmitted through a charging connector for connecting the charging equipment and a vehicle, is normal.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: January 24, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kyu-Beom Ko, Ik-Jun Choi
  • Patent number: 11562108
    Abstract: Disclosed is a method for analyzing a sulfide-based solid electrolyte using computer simulation including connecting, by a user, to a client accessible to a server, inputting information of a sulfide-based solid electrolyte to be analyzed to the client, transmitting, by the client, the information to the server, implementing, by the server, generation of a three-dimensional structure in which anion clusters and lithium ions are disposed, based on the transmitted information, feeding back, by the server, an implementation result to the client, and displaying, by the client, the feedback result. In addition, properties of sulfide-based solid electrolytes, which cannot be observed by experimentation, can be analyzed based on lithium, ion conductivity.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: January 24, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyoung chul Kim, Byung Kook Kim, Hae Weon Lee, Jong Ho Lee, Ji Won Son, Hun Gi Jung, Ji Su Kim, Sung Jun Choi, Eu Deum Jung
  • Publication number: 20230016140
    Abstract: A solar cell louver assembly includes: a plurality of solar cell module units having a solar cell panel part, with a pair of terminal portions provided on both end parts, a pair of first electrode terminals electrically connected to the respective terminal portions, and a pair of first caps mounted on the solar cell panel part to surround the respective first electrode terminals; second electrode terminals electrically connected to the first electrode terminals, and second caps accommodating the second electrode terminals and having mounted thereon the first caps; a frame unit having an inner frame such that the second caps are mounted rotatably in the length direction, and an outer frame surrounding the inner frame; and a connector unit between the inner and outer frames and having a pair of third electrode terminals electrically connecting the second electrode terminals of adjacent module units when mounted in the frame unit.
    Type: Application
    Filed: December 16, 2020
    Publication date: January 19, 2023
    Inventors: Chul Jun CHOI, Jong Tae KIM
  • Publication number: 20230015295
    Abstract: Disclosed herein are an object recognition apparatus and method based on environment matching. The object recognition apparatus includes memory for storing at least one program, and a processor for executing the program, wherein the program performs extracting at least one key frame from a video that is input in real time, determining a similarity between the key frame extracted from the input video and each of videos used as training data of prestored multiple recognition models, based on a pretrained similarity-matching network, and selecting a recognition model pretrained with a video having a maximal similarity to the key frame extracted from the input video, preprocessing the input video such that at least one of color and size of a video used as training data of an initial model is similar to that of the input video, and recognizing the preprocessed video based on the initial model.
    Type: Application
    Filed: December 14, 2021
    Publication date: January 19, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ki-Min YUN, Jin-Young MOON, Jong-Won CHOI, Joung-Su YOUN, Seok-Jun CHOI, Woo-Seok HYUNG
  • Publication number: 20230019540
    Abstract: Provided are a three-dimensional semiconductor memory device, a method for manufacturing the same, a method for operating the same, and an electronic system including the same. The three-dimensional semiconductor memory device includes a substrate, a stack structure on the substrate, and vertical channel structures, which are provided in channel holes penetrating the stack structure, wherein each of the vertical channel structures includes a data storage pattern, a vertical channel pattern, a conductive pad, and a vertical semiconductor pattern, wherein the vertical channel pattern includes a first portion contacting the upper surface of the substrate and a second portion provided between the data storage pattern and the vertical semiconductor pattern, and wherein the vertical semiconductor pattern is spaced apart from the substrate with the first portion of the vertical channel pattern therebetween.
    Type: Application
    Filed: September 23, 2022
    Publication date: January 19, 2023
    Applicant: Industry-University Cooperation Foundation Hanyang University
    Inventors: Yun Heub SONG, Sun Jun CHOI, Chang Hwan CHOI, Jae Kyeong JEONG
  • Publication number: 20230013445
    Abstract: A thin, flexible antenna module is provided for use in a smartphone. When the antenna module is assembled in the smartphone, the antenna module provides an MST antenna and an NEC antenna. For this, the antenna module includes a flexible PCB containing coils and further includes a magnetic sheet engaged with flexible PCB. The flexible PCB and the magnetic sheet are attached to each other to form a single body.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 19, 2023
    Inventors: Sang Hoon LEE, Kyoung Jun CHOI, Sae Rom LEE
  • Patent number: 11547206
    Abstract: A foldable supporting frame includes an upper frame and a plurality of legs disposed below the upper frame when unfolded to support the upper frame. The upper frame includes a plurality of bars, with adjacent bars in the plurality of bars coupled to each other or integrally formed with each other at their adjacent end portions. Each of the plurality of legs is coupled with a corresponding bar in the plurality of bars and independently rotatable about an axis defined by the corresponding bar. When folded, the plurality of legs is disposed in an interior defined by the upper frame.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: January 10, 2023
    Assignee: Inno-Sports Co., Ltd.
    Inventor: Kwan Jun Choi
  • Publication number: 20230006643
    Abstract: Disclosed is an acoustic resonator including a substrate including a first cavity, a first electrode formed above the substrate, a piezoelectric layer formed on one surface of the first electrode, and a second electrode formed on one surface of the piezoelectric layer. Here, the piezoelectric layer includes a longitudinal section not to cover a longitudinal section of the first electrode. Also, the second electrode covers the longitudinal section of the piezoelectric layer and extends to a first interpolar cavity which spaces the first electrode at least partially apart from the piezoelectric layer. A quality factor may be increased by fixing an increase in resistance which occurs due to thin film electrodes.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 5, 2023
    Inventors: Hoan Jun CHOI, Tah Joon PARK, Byung Hun KIM, Jong Hyeon PARK
  • Patent number: 11540622
    Abstract: A foldable frame includes a table frame, one or more bench frames, and first and second leg assemblies to support the table and bench frames. Each of the first and second leg assemblies include one or more table legs and one or more bench legs generally shorter than the one or more table legs. The foldable frame also includes a plurality of linking assemblies to connect the bench legs to the one or more bench frames so that each of the first and second leg assemblies can be rotated as a single unit. When unfolded, the table and bench frames are placed at different heights. When folded, the table and bench frames are placed at a common plane with the first and second leg assemblies folded onto the common plane. The foldable frame is easy to use and convenient for transportation and storage.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: January 3, 2023
    Assignee: Inno-Sports Co., Ltd.
    Inventor: Kwan Jun Choi
  • Patent number: 11541689
    Abstract: An axle assembly for drive wheels of vehicles includes a steering knuckle, an axle housing coupled to an inside of the steering knuckle, a wheel disc that is fixed to the axle housing to be rotatable integrally with the axle housing, and a drive shaft that is coupled to the axle housing to be rotatable integrally with the axle housing. A hub bearing is disposed between the steering knuckle and the axle housing. A forming part is formed at an end of the axle housing in a state in which a bearing inner race of the hub bearing is coupled to an outer circumferential surface of the axle housing, and the bearing inner race is engaged with a side part of the axle housing by the forming part in a state in which the forming part is pressed against a side end of the bearing inner race.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: January 3, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Wia Corporation
    Inventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Bum Jae Lee, Chang Hee Jeong, Ki Dong Park