Patents by Inventor Jae Choi

Jae 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).

  • Memory system and method of operating the same
    Patent number: 11461171
    Abstract: The present technology relates to an electronic device. A memory system for increasing reliability of data includes a memory device including a plurality of pages, and a memory controller configured to correct an error in read data obtained by reading a selected page among the plurality of pages, and determine whether to perform a refresh operation on the selected page based on a number of error bits included in the read data. The memory controller comprises a normal read operation controller configured to control a read operation on the selected page and determine the number of error bits in the read data, an error correction performance component configured to correct the read data, and a data recovery controller configured to control the refresh operation on the selected page based on the number of error bits in the read data when the error in the read data is corrected.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: October 4, 2022
    Assignee: SK hynix Inc.
    Inventors: Won Jae Choi, Se Chun Park
  • Pressure sensors constituting plurality of channels, touch input device comprising same, and pressure detecting method using same
    Patent number: 11449165
    Abstract: A touch input device according to an embodiment is capable of detecting a pressure of a touch on a touch surface and may include: a display module; and a pressure sensor which is disposed at a position where a distance from a reference potential layer may vary according to the touch for the touch surface, the distance is changeable according to a pressure magnitude of the touch, the pressure sensor may output a signal including information on a capacitance which is changed according to the distance, the pressure sensor may include a plurality of electrodes to form a plurality of channel, and detect the magnitude of the pressure for the touch based on a change amount of a capacitance detected in the each channel and an SNR improvement scaling factor assigned to each of the channels.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: September 20, 2022
    Assignee: HIDEEP INC.
    Inventors: Bon Kee Kim, Hyuk Jae Choi, Myung Jun Jin
  • System and method for automatic recognition of user motion
    Patent number: 11436868
    Abstract: Provided is a system and method for automatically recognizing user motion. The system for automatically recognizing user motion includes an input unit configured to receive three-dimensional (3D) measurement data, a memory which stores a program for performing automatic recognition on 3D user motion using 3D low-quality depth data and a deep learning model, and a processor configured to execute the program, wherein the processor converts the 3D low-quality depth data into 3D high-quality image data.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: September 6, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jong Sung Kim, Seung Joon Kwon, Sang Woo Seo, Yeong Jae Choi
  • Lighting module and lighting device comprising same
    Patent number: 11428372
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: August 30, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Young Jae Choi, Dong Hyun Lee, Ki Chang Lee, Gyeong Il Jin, Moo Ryong Park
  • Lighting module, lighting device, and manufacturing method thereof
    Patent number: 11415740
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a light source including a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the substrate; and a first diffusion layer disposed on the resin layer, wherein the resin layer includes a first resin portion disposed on the light source, and a second resin portion adjacent to the first resin portion and disposed on the substrate. The upper surface of the first resin portion has an inclination and is spaced apart from the first diffusion layer, the second resin portion includes a material different from that of the first resin portion, and the second resin portion based on the upper surface of the substrate. The height of the upper surface may be greater than the lowermost height of the upper surface of the first resin portion.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: August 16, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Young Jae Choi
  • LIGHT EMITTING DEVICE AND A LIGHT SOURCE MODULE INCLUDING THE SAME
    Publication number: 20220243906
    Abstract: A light source module including: a printed circuit board; a light emitting device mounted on the printed circuit board and including a plurality of subarrays each of the plurality of subarrays including a plurality of light emitting cells; and a plurality of driving chips mounted on the printed circuit board, wherein each of the plurality of driving chips respectively drives a corresponding one of the plurality of subarrays, wherein the plurality of subarrays are electrically isolated from each other.
    Type: Application
    Filed: April 15, 2022
    Publication date: August 4, 2022
    Inventors: Geun-woo KO, Seung-woo Lee, Jun-ho Lee, Pun-jae Choi
  • SPEAKER GRILLE FOR VEHICLE AND MANUFACTURING METHOD THEREOF
    Publication number: 20220248113
    Abstract: A speaker grille for a vehicle includes a steel plate, an adhesive layer formed on the steel plate, and a metal sheet layer formed on the adhesive layer. The speaker grille is configured such that the steel plate, the adhesive layer, and the metal sheet layer are stacked in sequence. The speaker grille has a plurality of holes formed through the speaker grille, and the holes may be formed by punching. A method of method for manufacturing the speaker grille can include a step of manufacturing a stack by forming the adhesive layer on the steel plate and forming the metal sheet layer on the adhesive layer; and a step of forming the plurality of holes through the stack by perforating the stack.
    Type: Application
    Filed: April 12, 2021
    Publication date: August 4, 2022
    Inventor: Dong Jae Choi
  • PIXEL-TYPE SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20220238597
    Abstract: A semiconductor light-emitting device includes a plurality of light-emitting device structures separated from each other and arranged in a matrix form. A pad region at least partially surrounds the plurality of light-emitting device structures. The pad region is disposed outside of the plurality of light-emitting device structures. A partition structure is disposed on a first surface of the plurality of light-emitting device structures and is further disposed between adjacent light-emitting device structures of the plurality of light-emitting device structures. The partition structure defines a plurality of pixel spaces within the plurality of light-emitting device structures. A fluorescent layer is disposed on the first surface of the plurality of light-emitting device structures and fills each of the plurality of pixel spaces.
    Type: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Inventors: YONG-MIN KWON, Geun-Woo Ko, Jung-Wook Lee, Jong-Hyun Lee, Pun-Jae Choi
  • BATTERY DIAGNOSIS APPARATUS
    Publication number: 20220239128
    Abstract: A battery diagnosis apparatus determines whether a battery may be reused and includes a data obtaining device configured to output a perturbation signal, a signal regulating device configured to generate a current by applying the perturbation signal to a battery and performing feedback of a current signal output from the battery, and a noise canceling device configured to cancel noises of the current signal and a voltage signal received from the battery. The data obtaining device outputs the perturbation signal while changing a frequency, obtains an impedance spectrum based on the noise-canceled current signal and voltage signal for each frequency, and determines whether to reuse the battery based on the obtained impedance spectrum.
    Type: Application
    Filed: November 24, 2021
    Publication date: July 28, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Bohyun Lee, Won Jae Choi, Ju Seok Kim, Jaekyung Oh, Sangwon Lee, Hee Yeon Ryu, Chulkyu Lee, Woojin Choi, Seungjune Lee, Farhan Farooq
  • CONTACT POINT MONITORING MODULE DEVICE FOR VACUUM CIRCUIT BREAKER AND VACUUM CIRCUIT BREAKER COMPRISING SAME
    Publication number: 20220199341
    Abstract: The present disclosure relates to a contact point monitoring module for a vacuum circuit breaker and a vacuum circuit breaker comprising the same. The present disclosure provides a vacuum circuit breaker comprising a push rod assembly which is coupled to a movable electrode of a vacuum interrupter and moves the movable electrode up or down to make a movable contact in a contact closed state or a contact open state, wherein the vacuum circuit breaker comprises a linear sensor which is coupled to a lower side of the push rod assembly and senses displacement according to a moving direction of the push rod; and a sensor holder which is installed adjacent to the lower side of the push rod assembly and is coupled to the linear sensor to process a signal transferred from the linear sensor.
    Type: Application
    Filed: March 9, 2020
    Publication date: June 23, 2022
    Inventor: E-Jae CHOI
  • Storage device and method of operating the same
    Patent number: 11366725
    Abstract: The present technology relates to an electronic device. A storage device according to the present technology includes a memory device including a plurality of logical storage areas, and a memory controller. The memory controller controls the memory device to perform a memory operation on an original storage area of the plurality of logical storage areas according to a request of a host, and to perform a mirroring operation of copying the memory operation which was performed on the original storage area in a backup storage area of the plurality of logical storage areas based on whether the memory device is in an idle state.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: June 21, 2022
    Assignee: SK hynix Inc.
    Inventor: Hyeong Jae Choi
  • Memory device and operating method of the memory device
    Patent number: 11361803
    Abstract: A memory device includes a plurality of memory cell arrays each configured to include a plurality of memory cells, a plurality of peripheral circuits each configured to perform operations on the plurality of memory cell arrays, a plurality of control logics configured to control the plurality of peripheral circuits, and a control logic selector configured to activate at least one control logic among the plurality of control logics according to a type of a command received from the memory controller.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: June 14, 2022
    Assignee: SK hynix Inc.
    Inventors: Won Jae Choi, Gwan Park
  • LIGHTING MODULE AND LIGHTING DEVICE HAVING SAME
    Publication number: 20220155512
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light sources disposed on the substrate; and a resin layer disposed on the substrate and the plurality of light sources, and a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, the exit surface of the resin layer includes a plurality of convex portions, the plurality of light sources are disposed on a virtual curve, wherein a straight line passing through centers of the first and second light sources adjacent to each other and the centers of each convex portion may be disposed at an obtuse angle with respect to a straight line connecting the adjacent first and second light sources.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 19, 2022
    Inventors: Young Jae CHOI, Dong Hyun LEE, Ki Chang LEE, Gyeong II JIN, Moo Ryong PARK
  • MOBILE COMMUNICATION REPEATER AND SIGNAL SYNCHRONIZATION METHOD THEREOF
    Publication number: 20220159603
    Abstract: According to an aspect of the disclosure, a mobile communication repeater comprises a receiver configured to receive a plurality of test signals from a plurality of external communication devices and subsequently, receive a plurality of downlink signals from the external communication devices, and a digital signal processor configured to measure a delay time of each of the plurality of test signals, generate a sync time based on the delay times, and delay each of the plurality of downlink signals to correspond with the sync time.
    Type: Application
    Filed: November 12, 2021
    Publication date: May 19, 2022
    Applicant: SOLiD, INC.
    Inventors: Hyek Jae Choi, In Ho Jang
  • LIGHTING MODULE AND LIGHTING DEVICE COMPRISING SAME
    Publication number: 20220154896
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 19, 2022
    Inventors: Young Jae CHOI, Dong Hyun LEE, Ki Chang LEE, Gyeong Il JIN, Moo Ryong PARK
  • LIGHT EMITTING DEVICE
    Publication number: 20220158023
    Abstract: A light emitting device is provided. The light emitting device includes a first semiconductor layer; a second semiconductor layer provided on a bottom surface of the first semiconductor layer; an active layer interposed between the first semiconductor layer and the second semiconductor layer; a dielectric layer provided on a bottom surface of the second semiconductor layer; a plurality of first n-contacts provided on a first etched surface of the first semiconductor layer; and a plurality of first p-contacts and a plurality of second p-contacts provided on the bottom surface of the second semiconductor layer. One first n-contact is disposed along a first edge region of the first semiconductor layer, one first p-contact is closer to the one first n-contact than one second p-contact, and an area of the one first p-contact is greater than an area of each of the second p-contacts.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Applicant: SAMSUNG ELECTRONICS., LTD.
    Inventors: Jeonghwan JANG, Jae-Yoon KIM, Sungwon Ko, Junghee KWAK, Sangseok LEE, Suyeol LEE, Seungwan CHAE, Pun Jae CHOI
  • MASK AND SKIN CARE DEVICE INCLUDING SAME
    Publication number: 20220143419
    Abstract: A mask according to an embodiment comprises: a first substrate; a first wiring arranged on the first substrate; a plurality of piezoelectric elements arranged on the first wiring; a second wiring arranged on the piezoelectric elements; a second substrate arranged on the second wiring; a third wiring arranged on the first substrate and electrically insulated from the first wiring; and a plurality of light-emitting elements arranged between the first and second substrates and arranged on the third wiring, wherein the plurality of light-emitting elements are arranged in areas overlapping, in a vertical direction, areas between the piezoelectric elements.
    Type: Application
    Filed: March 5, 2020
    Publication date: May 12, 2022
    Inventors: Yong Jae CHOI, Gyu Lin LEE, Do Hee KEUM, Beom Sun HONG
  • LIGHTING MODULE AND LIGHTING DEVICE COMPRISING SAME
    Publication number: 20220146738
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light emitting devices on the substrate; a first reflective layer on the substrate; a resin layer on the first reflective layer and including a first surface from which light emitted from the light emitting device is extracted; a second reflective layer on the resin layer; and a light extraction layer on the first surface of the resin layer, wherein the first surface of the resin layer has a convex portion having a convex exit surface facing to each of the light emitting devices, and concave portions between the convex portions, and the light extraction layer may include a first extraction portion having protrusions on each exit surface, and second extraction portions concave between the plurality of protrusions.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 12, 2022
    Inventors: Dong Hyun LEE, Moo Ryong PARK, Young Jae CHOI
  • MEMORY DEVICE SUPPORTING INTERLEAVED OPERATIONS AND MEMORY SYSTEM INCLUDING THE SAME
    Publication number: 20220130464
    Abstract: A memory system includes a first memory die including multiple planes each including a plurality of memory cells and a controller configured to perform data communication with the first memory die through a first channel, and transfer at least two commands from among commands for an erase operation, a read operation, a program operation, and a check operation to the first memory die. After transferring an erase command to a plane among the multiple planes, the controller transfers a read command, a program command, or a check command to another plane among the multiple planes while the first memory die performs an erase operation corresponding to the erase command in the plane.
    Type: Application
    Filed: October 21, 2021
    Publication date: April 28, 2022
    Applicant: SK hynix Inc.
    Inventors: Won Jae CHOI, Jea Won CHOI
  • Front bumper upper cover for an automobile
    Patent number: D951158
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: May 10, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Roberto Kuehn, Kwang Jae Choi