Patents by Inventor Seong Jin Lee

Seong Jin 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).

  • Publication number: 20230409892
    Abstract: A neural processing unit may comprise a first circuitry including a plurality of processing elements (PEs) configured to perform operations of an artificial neural network model, the plurality of PEs including an adder, a multiplier, and an accumulator, and a clock signal supply circuitry configured to output one or more clock signals. When the plurality of PEs include a first group of PEs and a second group of PEs, a first clock signal among the one or more clock signals, may be supplied to the first group of PEs and a second clock signal among the one or more clock signals, may be supplied to the second group of PEs. At least one of the first and second clock signals may have a preset phase based on a phase of an original clock signal.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Inventors: Seong Jin LEE, Jung Boo PARK, Lok Won KIM
  • Publication number: 20230359877
    Abstract: A system may comprise a neural processing unit (NPU) including at least one memory and a plurality of processing elements (PEs) capable of performing operations for at least one artificial neural network (ANN) model. The plurality of PEs may include an adder, a multiplier, and an accumulator. The plurality of PEs may include a first group of PEs configured to operate on a first portion of a clock signal and a second group of PEs configured to operate on a second portion of the clock signal.
    Type: Application
    Filed: July 17, 2023
    Publication date: November 9, 2023
    Inventors: Lok Won KIM, Jung Boo PARK, Seong Jin LEE
  • Patent number: 11798056
    Abstract: Some aspects of the present disclosure are directed to computerized methods for extracting attributes from product titles. The method may include: retrieving first product identifier comprising at least one tag; determining, based on the at least one tag, a number of quantity related tags; flagging the product identifier as having a quantity based on an analysis of the quantity related tags; comparing the at least one tag and quantity of the first product identifier with at least one tag and quantity associated with a second product identifier; generating, based on the comparison, at least one similarity value between the first product identifier and the second product identifier; and transmitting instructions to at least one user device, wherein the instructions cause the at least one user device to display the at least one similarity value.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: October 24, 2023
    Assignee: Coupang Corp.
    Inventors: Joon Shik Hong, Seong Jin Lee, Han Byul Bang
  • Patent number: 11761591
    Abstract: A lighting device includes a substrate having a plurality of flat portions and a non-flat portion disposed between the flat portions, a plurality of light emitting sources disposed on the substrate, a fluorescent substrate layer covering one or more light emitting sources and converting a wavelength of a light from the light emitting source, and a connection line disposed on the substrate and electrically connecting the light emitting sources adjacent to each other between the adjacent light emitting sources. The substrate has a first end and a second end are arranged at different distance from a central axis.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: September 19, 2023
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
  • Patent number: 11670975
    Abstract: The present invention provides a motor comprising: a rotating shaft; a rotor including a hole through which the rotating shaft is inserted; and a stator disposed outside the rotor, wherein the rotor comprises a rotor core surrounding the rotating shaft, and a plurality of magnets coupled to the rotor core, the magnets are disposed such that each two magnets, adjacent to each other in the axial direction of the rotating shaft, have a predetermined spacing therebetween, and the sum of the spacings is 0.04 to 0.07 times the axial length of the stator.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: June 6, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Jin Lee, Bong Bae Kong
  • Publication number: 20230120479
    Abstract: A lighting device includes a substrate having a plurality of flat portions and a non-flat portion disposed between the flat portions, a plurality of light emitting sources disposed on the substrate, a fluorescent substrate layer covering one or more light emitting sources and converting a wavelength of a light from the light emitting source, and a connection line disposed on the substrate and electrically connecting the light emitting sources adjacent to each other between the adjacent light emitting sources. The substrate has a first end and a second end are arranged at different distance from a central axis.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
  • Publication number: 20230100018
    Abstract: A light emitting device filament includes a substrate, a plurality of light emitting diodes, two electrode pads, and a plurality of connection lines. The substrate includes a first surface and a second surface opposite to the first surface. The substrate extending in a first direction and having a width in a second direction. The plurality of light emitting diodes is disposed on the first surface of the substrate. The two electrode pads are disposed on the substrate. The plurality of connection lines electrically connects the plurality of light emitting diodes and the two electrode pads. The plurality of connection lines includes a first connection line and a second connection line. The first connection line, the second connection line, or both are formed in a direction inclined or curved with respect to the first direction or the second direction.
    Type: Application
    Filed: December 7, 2022
    Publication date: March 30, 2023
    Inventors: Jae Hyun PARK, Seong Jin LEE, Jong Kook LEE
  • Publication number: 20230099215
    Abstract: A lighting device including at least one light emitter to emit blue light, a green phosphor having an emission peak in a range of 500 nm to 550 nm, a yellow phosphor having an emission peak in a range of 550 nm to 600 nm, and a red phosphor having an emission peak in a range of 600 nm to 650 nm, in which the yellow phosphor and the red phosphor have different full widths at half maximum, and the full width at half maximum of the yellow phosphor is longer than that of the red phosphor, and, in an emission spectrum, an intensity of light emitted from the lighting device increases from 500 nm to 600 nm, and the intensity of light emitted from the lighting device at 700 nm is less than about 10% of the maximum intensity of light emitted from the lighting device.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Jong Kook LEE, Jun Myung SONG, Seong Jin LEE
  • Patent number: 11615453
    Abstract: Some aspects of the present disclosure are directed to computerized methods for extracting attributes from product titles. The method may include: retrieving a title associated with a product listing and historical product title data; refining the title; determining at least one tag associated with an attribute; generating, based on the at least one extracted tag and the historical title data, a first combination of one or more attributes; determining whether the title includes at least one plurality of product options, and if so: determining, for each product option hi the plurality of product options, a second combination of one or more attributes by removing attributes associated with alternative product options from the first combination; and generating a product identifier based on the second combination; and if the title does not include at least one plurality of product options, generating, the product identifier based on the first combination.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: March 28, 2023
    Assignee: Coupang Corp.
    Inventors: Joon Shik Hong, Seong Jin Lee, Han Byul Bang
  • Publication number: 20230047704
    Abstract: Disclosed is a motor comprising: a stator; a rotor provided inside the stator; and a shaft coupled to the rotor, wherein the stator comprises a stator core, a coil wound around the stator core, and an insulator arranged between the stator core and the coil, and the insulator comprises an upper insulator and a lower insulator. An upper body of the upper insulator comprises: a first side wall part; a second side wall part arranged to the spaced apart from the first side wall part; and a first cover part extending from an end of the first side wall part and connected to an end on one side of the second side wall part, wherein the number of a plurality of first grooves formed on the first side wall part is different from the number of a plurality of second grooves formed on the second side wall part. Accordingly, when a coil with an increased diameter is used, the performance of the motor can be improved by implementing asymmetric wiring of the coil by using the insulator for guiding the arrangement of the coil.
    Type: Application
    Filed: November 11, 2020
    Publication date: February 16, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Seong Jin LEE
  • Publication number: 20230037924
    Abstract: According to an embodiment, provided is a motor which comprises: a shaft; a rotor coupled to the shaft; a stator disposed corresponding to the rotor; and a housing disposed on the outside of the stator. The stator includes: a stator core; an insulator coupled to the stator core; a plurality of projections extending from the lower end of the insulator; and a protruding portion disposed below the insulator and fixed to the housing. The plurality of projections are spaced apart from each other in the circumferential direction, and at least a portion of the protruding portion is disposed in the spaces formed between the plurality of projections.
    Type: Application
    Filed: December 16, 2020
    Publication date: February 9, 2023
    Inventors: Young Hwan JUNG, Seong Jin LEE
  • Publication number: 20230039069
    Abstract: The present disclosure relates to a well plate for 3D cell spheroid culture that facilitates 3D cell spheroid culture and enables cell adhesion and detachment by adjusting a surface roughness, a method for manufacturing the well plate for 3D cell spheroid culture, and a method for 3D cell spheroid culture using the same.
    Type: Application
    Filed: February 11, 2020
    Publication date: February 9, 2023
    Inventors: Seong-Jin LEE, Dong-Sung KIM, Andrew CHOI, Seong-Su EOM, Jae-Seung YOON, Sang-Min PARK
  • Publication number: 20230036262
    Abstract: An embodiment provides a motor comprising: a stator; a rotor provided inside the stator; and a shaft coupled to the rotor, wherein the stator comprises a stator core, a coil wound around the stator coil, and an insulator provided between the stator core and the coil. The insulator comprises an upper insulator and a lower insulator, wherein an upper body of the upper insulator comprises: a first side wall portion; a second side wall portion provided spaced apart from the first side wall portion; and a first cover portion extending from an end portion of the first side wall portion and connected to an end portion of one side of the second side wall portion, wherein the number of a plurality of first grooves formed in the first side wall portion is different from the number of a plurality of second grooves formed in the second side wall portion.
    Type: Application
    Filed: November 3, 2020
    Publication date: February 2, 2023
    Inventor: Seong Jin LEE
  • Patent number: 11530783
    Abstract: A lighting device includes a substrate having a plurality of flat portions and a non-flat portion disposed between the flat portions, a plurality of light emitting sources disposed on the substrate, a fluorescent substrate layer covering one or more light emitting sources and converting a wavelength of a light from the light emitting source, and a connection line disposed on the substrate and electrically connecting the light emitting sources adjacent to each other between the adjacent light emitting sources. The substrate has a first end and a second end are arranged at different distance from a central axis.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: December 20, 2022
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
  • Patent number: 11527682
    Abstract: A lighting apparatus including at least one light emitting diode (LED) chip configured to emit blue light; a green phosphor having a light emission peak in a range of 500 nm to 550 nm; and a red phosphor having a light emission peak in a range of 600 nm to 650 nm, in which the red phosphor includes a first red phosphor having a light emission peak in a range of 620 nm to 630 nm and a second red phosphor having a light emission peak in a range of 630 nm to 640 nm, and the full widths at half maximum of the first and second red phosphors are in a range of 20 nm to 60 nm, respectively.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: December 13, 2022
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jong Kook Lee, Jun Myung Song, Seong Jin Lee
  • Patent number: 11527517
    Abstract: A light emitting device filament includes a substrate, a plurality of light emitting diodes, two electrode pads, and a plurality of connection lines. The substrate includes a first surface and a second surface opposite to the first surface. The substrate extending in a first direction and having a width in a second direction. The plurality of light emitting diodes is disposed on the first surface of the substrate. The two electrode pads are disposed on the substrate. The plurality of connection lines electrically connects the plurality of light emitting diodes and the two electrode pads. The plurality of connection lines includes a first connection line and a second connection line. The first connection line, the second connection line, or both are formed in a direction inclined or curved with respect to the first direction or the second direction.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: December 13, 2022
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
  • Publication number: 20220261869
    Abstract: Some aspects of the present disclosure are directed to computerized methods for extracting attributes from product titles. The method may include: retrieving first product identifier comprising at least one tag; determining, based on the at least one tag, a number of quantity related tags; flagging the product identifier as having a quantity based on an analysis of the quantity related tags; comparing the at least one tag and quantity of the first product identifier with at least one tag and quantity associated with a second product identifier; generating, based on the comparison, at least one similarity value between the first product identifier and the second product identifier; and transmitting instructions to at least one user device, wherein the instructions cause the at least one user device to display the at least one similarity value.
    Type: Application
    Filed: November 10, 2021
    Publication date: August 18, 2022
    Applicant: COUPANG CORP.
    Inventors: Joon Shik HONG, Seong Jin Lee, Han Byul Bang
  • Publication number: 20220254761
    Abstract: A light emitting device filament includes a substrate, a plurality of light emitting diodes, two electrode pads, and a plurality of connection lines. The substrate includes a first surface and a second surface opposite to the first surface. The substrate extending in a first direction and having a width in a second direction. The plurality of light emitting diodes is disposed on the first surface of the substrate. The two electrode pads are disposed on the substrate. The plurality of connection lines electrically connects the plurality of light emitting diodes and the two electrode pads. The plurality of connection lines includes a first connection line and a second connection line. The first connection line, the second connection line, or both are formed in a direction inclined or curved with respect to the first direction or the second direction.
    Type: Application
    Filed: May 2, 2022
    Publication date: August 11, 2022
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Jae Hyun PARK, Seong Jin LEE, Jong Kook LEE
  • Publication number: 20220230220
    Abstract: Some aspects of the present disclosure are directed to computerized methods for extracting attributes from product titles. The method may include: retrieving a title associated with a product listing and historical product title data; refining the title; determining at least one tag associated with an attribute; generating, based on the at least one extracted tag and the historical title data, a first combination of one or more attributes; determining whether the title includes at least one plurality of product options, and if so: determining, for each product option hi the plurality of product options, a second combination of one or more attributes by removing attributes associated with alternative product options from the first combination; and generating a product identifier based on the second combination; and if the title does not include at least one plurality of product options, generating, the product identifier based on the first combination.
    Type: Application
    Filed: September 28, 2021
    Publication date: July 21, 2022
    Applicant: COUPANG CORP.
    Inventors: Joon Shik HONG, Seong Jin LEE, Han Byul BANG
  • Publication number: 20220231077
    Abstract: A light emitting device including a first light source including a plurality of first light emitting structures and a first wavelength converter and configured to emit a first light, a second light source including a second light emitting structure and a second wavelength converter and configured to emit a second light, and a resistor member connected to the first light source and configured to distribute current to the first light emitting structures, in which a color temperature of the first light is configured to be higher than that of the second light, and the first light and second light are configured to have different light intensity.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 21, 2022
    Inventors: Seong Jin LEE, Jong Kook LEE