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).
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Publication number: 20230409892Abstract: 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: ApplicationFiled: September 1, 2023Publication date: December 21, 2023Inventors: Seong Jin LEE, Jung Boo PARK, Lok Won KIM
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Publication number: 20230359877Abstract: 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: ApplicationFiled: July 17, 2023Publication date: November 9, 2023Inventors: Lok Won KIM, Jung Boo PARK, Seong Jin LEE
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Patent number: 11798056Abstract: 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: GrantFiled: November 10, 2021Date of Patent: October 24, 2023Assignee: Coupang Corp.Inventors: Joon Shik Hong, Seong Jin Lee, Han Byul Bang
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Patent number: 11761591Abstract: 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: GrantFiled: December 16, 2022Date of Patent: September 19, 2023Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
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Patent number: 11670975Abstract: 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: GrantFiled: January 15, 2018Date of Patent: June 6, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Seong Jin Lee, Bong Bae Kong
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Publication number: 20230120479Abstract: 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: ApplicationFiled: December 16, 2022Publication date: April 20, 2023Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
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Publication number: 20230100018Abstract: 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: ApplicationFiled: December 7, 2022Publication date: March 30, 2023Inventors: Jae Hyun PARK, Seong Jin LEE, Jong Kook LEE
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Publication number: 20230099215Abstract: 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: ApplicationFiled: December 5, 2022Publication date: March 30, 2023Inventors: Jong Kook LEE, Jun Myung SONG, Seong Jin LEE
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Patent number: 11615453Abstract: 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: GrantFiled: September 28, 2021Date of Patent: March 28, 2023Assignee: Coupang Corp.Inventors: Joon Shik Hong, Seong Jin Lee, Han Byul Bang
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Publication number: 20230047704Abstract: 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: ApplicationFiled: November 11, 2020Publication date: February 16, 2023Applicant: LG INNOTEK CO., LTD.Inventor: Seong Jin LEE
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Publication number: 20230037924Abstract: 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: ApplicationFiled: December 16, 2020Publication date: February 9, 2023Inventors: Young Hwan JUNG, Seong Jin LEE
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Publication number: 20230039069Abstract: 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: ApplicationFiled: February 11, 2020Publication date: February 9, 2023Inventors: Seong-Jin LEE, Dong-Sung KIM, Andrew CHOI, Seong-Su EOM, Jae-Seung YOON, Sang-Min PARK
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Publication number: 20230036262Abstract: 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: ApplicationFiled: November 3, 2020Publication date: February 2, 2023Inventor: Seong Jin LEE
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Patent number: 11530783Abstract: 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: GrantFiled: July 26, 2021Date of Patent: December 20, 2022Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
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Patent number: 11527682Abstract: 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: GrantFiled: February 7, 2019Date of Patent: December 13, 2022Assignee: Seoul Semiconductor Co., Ltd.Inventors: Jong Kook Lee, Jun Myung Song, Seong Jin Lee
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Patent number: 11527517Abstract: 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: GrantFiled: May 2, 2022Date of Patent: December 13, 2022Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
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Publication number: 20220261869Abstract: 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: ApplicationFiled: November 10, 2021Publication date: August 18, 2022Applicant: COUPANG CORP.Inventors: Joon Shik HONG, Seong Jin Lee, Han Byul Bang
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Publication number: 20220254761Abstract: 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: ApplicationFiled: May 2, 2022Publication date: August 11, 2022Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Jae Hyun PARK, Seong Jin LEE, Jong Kook LEE
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Publication number: 20220230220Abstract: 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: ApplicationFiled: September 28, 2021Publication date: July 21, 2022Applicant: COUPANG CORP.Inventors: Joon Shik HONG, Seong Jin LEE, Han Byul BANG
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Publication number: 20220231077Abstract: 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: ApplicationFiled: April 4, 2022Publication date: July 21, 2022Inventors: Seong Jin LEE, Jong Kook LEE