Patents by Inventor Sang-su Lee

Sang-su 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: 20200363344
    Abstract: The present invention relates to an apparatus and a method for inspecting battery cells for automation of total inspection. To this end, the present invention is configured such that test objects are sequentially stacked on a test object casing provided on an upper portion of a mounting stage of a main stage, images of the test objects are obtained by radiography after the test object casing is moved to a test object inspection unit, and the test objects stacked on the test object casing are unloaded to the outside after the images are obtained. Accordingly, the present invention enables total inspection to be performed on battery cells, which are the test objects, in order to quickly divide good and defective products, and solves a delay of a flow rate caused by X-ray inspection of the test object inspection unit in order to improve productivity and efficiency.
    Type: Application
    Filed: May 12, 2020
    Publication date: November 19, 2020
    Applicant: VIEWORKS CO., LTD.
    Inventors: Kang HEO, Sang Woo SON, Gwan Su LEE, Doo Ho KIM
  • Publication number: 20200357613
    Abstract: The present inventive concept relates to a substrate treatment apparatus comprising: a support part for supporting a substrate; a first electrode part disposed above the support part; a second electrode part disposed above the first electrode part; a generation hole formed to extend through the first electrode part; and a protruding electrode coupled to the second electrode part while protruding downward from the second electrode part at a position corresponding to the generation hole, wherein the protruding electrode is formed to have a shorter length than the first electrode part in the vertical direction.
    Type: Application
    Filed: January 29, 2019
    Publication date: November 12, 2020
    Inventors: WOONG KYO OH, Hyun Ho KOO, Kwang Su YOO, Sang Du LEE, Kyu jung CHO
  • Patent number: 10833129
    Abstract: Provided is an image sensor, which includes: a first substrate; a first structure on a front surface of the first substrate, the first structure including a first interlayer insulating layer surrounding a first conductive layer; a second substrate; a second structure on a front surface of the second substrate facing the front surface of the first substrate, the second structure including a second interlayer insulating layer, the second interlayer insulating layer being bonded to the first interlayer insulating layer; an organic photoelectric layer on a back surface of the second substrate; and a via electrode structure in contact with the first conductive layer through the second substrate and the second structure, the via electrode structure including an air gap therein.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: November 10, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwan-sik Kim, Chang-hwa Kim, Yoon-Kyoung Kim, Sang-Su Park, Beom-suk Lee, Man-geun Cho, Min-jun Choi
  • Patent number: 10826026
    Abstract: A method for manufacturing a display device including forming a lower electrode on a substrate; depositing a first insulation layer thereon; forming a semiconductor layer that overlaps the lower electrode thereon; depositing a second insulation layer thereon; forming a gate electrode and an etching prevention layer that overlap the semiconductor layer thereon; depositing a third insulation layer thereon; forming a first conductor that overlaps the gate electrode thereon; depositing a fourth insulation layer thereon; forming a photosensitive film patterns thereon by depositing a photosensitive film and exposing and developing the photosensitive film such that portions of the photosensitive film are removed in a first area, a second area, and a third area; etching the third insulation layer using the patterns as an etching mask; etching the etching prevention layer by using the patterns as an etching mask; and etching the first insulation layer using the patterns as an etching mask.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung Geun Cha, Sang Gun Choi, Joon Woo Bae, Ji Yeong Shin, Yong Su Lee
  • Patent number: 10824291
    Abstract: A device is provided. The device includes a display, a storage configured to store a work group including a plurality of jobs that are selected by a user, and a controller configured to control the display to display a window corresponding to at least one job included in the work group and display at least one object representing another job included in the work group on the displayed window.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-chul Lee, Jong-hyuk Choi, Nam-suk Lee, Hak-su Jeong
  • Patent number: 10819368
    Abstract: A method for compressing time series data includes: reading original data including time series data; measuring a unit of the original data; determining a threshold for determining a range allowing for a difference between compressed data and the original data; performing longest distance downsampling to preserve an abnormal point of the original data; storing a start point and an end point of the original data; performing drop-out on the longest distance downsampling result, wherein the drop-out is not performed for the start point and the end point; and if the number of values of the original data is smaller than ? times the original data length, storing at least one of the values of the original data as a reference point, wherein ? is a real number having a value between 0 and 1.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 27, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Myung Geun Song, Myung Joo Kang, Byeong Eon Lee, Myoung Su Cho, Young Jin Koh, Geon Woo Kim, Sang Yeon Kim, Hyun Seo, Dong Jun Woo, Jae Woong Choi
  • Publication number: 20200335736
    Abstract: A method of manufacturing a cylindrical battery case includes performing an ironing process, which is one of the processes of manufacturing the battery case, a plurality of times in order to decrease the surface roughness of the battery case, thereby improving the corrosion characteristics of the battery case. The surface roughness of the cylindrical battery case is decreased by performing a thickness reducing process when a process for forming the outer circumferential surface of a body of the cylindrical battery case is performed at the time of manufacturing the cylindrical battery case. In addition, corrosion characteristics are improved for respective values of the surface roughness.
    Type: Application
    Filed: October 23, 2018
    Publication date: October 22, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Kwang Su Hwang Bo, Je Jun Lee, Sang Sok Jung, Jun Tak Kim, Gil Young Lee, Seong Mo Koo
  • Publication number: 20200335505
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventors: Jeong-Yeop LEE, Dong-Su PARK, Jong-Bum PARK, Sang-Do LEE, Jae-Min LEE, Kee-Jeung LEE, Jun-Soo JANG
  • Publication number: 20200335975
    Abstract: A method of controlling output levels of an MMC converter to reduce fluctuation in a power grid frequency, which adjusts an output level of the MMC converter in response to a change in a power grid frequency of a power grid system in the MMC converter connected to a grid system, is proposed. The method includes a detection step of detecting a power grid frequency of a grid connected to the MMC converter in real time, a comparison step of comparing the detected power grid frequency with a preset reference power grid frequency, and an adjustment step of adjusting a number of output levels of the MMC converter to reduce a difference between the detected power grid frequency and the reference power grid frequency when the detected power grid frequency and the reference power grid frequency are different from each other.
    Type: Application
    Filed: December 21, 2018
    Publication date: October 22, 2020
    Inventors: Hee Jin KIM, Dong Su LEE, Kyeon HUR, Jae Sik KANG, Sang Min KIM
  • Patent number: 10806174
    Abstract: Disclosed are a lyocell material for a cigarette filter and a method of preparing the same, wherein a crimped tow is manufactured using a lyocell multifilament including low-strength lyocell monofilaments, and thus the ultimately prepared lyocell material for a cigarette filter can exhibit low strength, thereby increasing processing efficiency during the manufacture of the cigarette filter.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: October 20, 2020
    Assignees: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol Jeong, Sang Woo Jin, Sang Mok Lee, Woo Chul Kim, Sang Yoel Lee, Jong Yeol Kim, Soo Ho Kim, Bong Su Cheong, Hyun Suk Cho, Sung Jong Ki
  • Patent number: 10807479
    Abstract: Disclosed herein is a battery charging system of an electric vehicle charging station, the battery charging system including: a charging unit configured to supply an electrical power to charge a battery of an electric vehicle; a charging cable connected to the charging unit and having a connector attached thereto to correspond to an inlet of the electric vehicle; and a cooling unit disposed at a location where the electric vehicle is parked in charging to supply a cooling air toward the battery of the electric vehicle.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: October 20, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sang-Woo Ryu, Sung-Won Seo, Jeong-O Mun, Ji-Su Yoon, Yoon-Koo Lee, Hee-Jun Jin, Mi-Geum Choi
  • Patent number: 10811478
    Abstract: An organic light-emitting diode display device includes a pixel electrode, a pixel-defining layer, an organic emission layer, and a counter electrode. The pixel-defining layer includes an opening partially exposing the pixel electrode. The organic emission layer is disposed on the pixel electrode. The organic emission layer is disposed in the opening. The counter electrode is disposed on the organic emission layer. The counter electrode opposes the pixel electrode. The pixel-defining layer includes a first pixel-defining layer and a second pixel-defining layer. The first pixel-defining layer is disposed on the pixel electrode and includes an inorganic material. The second pixel-defining layer is disposed on the first pixel-defining layer and includes an organic material. A sidewall of the first pixel-defining layer that is closest to the opening is aligned with a sidewall of the second pixel-defining layer that is closest to the opening.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: October 20, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Won Choi, Tae Wook Kang, Kyeong Su Ko, Sang Gab Kim, Tae Sung Kim, Joon Geol Lee, Hyun Min Cho
  • Publication number: 20200328107
    Abstract: A semiconductor device includes: a pair of wire patterns configured to extend in a first direction and formed on a substrate to be spaced apart from each other in a second direction, the pair of wire patterns disposed closest to each other in the second direction; a gate electrode configured to extend in the second direction on the substrate, the gate electrode configured to surround the wire patterns; and first isolation layers configured to extend in the first direction between the substrate and the gate electrode and formed to be spaced apart from each other in the second direction, the first isolation layers overlapping the pair of wire patterns in a third direction perpendicular to the first and second directions.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Inventors: SUNG DAE SUK, SANG HOON LEE, MASUOKA SADAAKI, HAN SU OH
  • Patent number: 10798827
    Abstract: A printed circuit board includes an insulating layer, a circuit pattern on the insulating layer, and a surface treatment layer on the circuit pattern. The surface treatment layer includes a bottom surface having a width wider than a width of a top surface of the circuit pattern.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: October 6, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yun Mi Bae, Soon Gyu Kwon, Sang Hwa Kim, Sang Young Lee, Jin Hak Lee, Han Su Lee, Dong Hun Jeong, In Ho Jeong, Dae Young Choi, Jung Ho Hwang
  • Publication number: 20200310443
    Abstract: An apparatus and a method provide a four-dimensional effect to a driver and/or passengers of a vehicle. The apparatus includes a first vehicle controller that analyzes data of content played in an electronic device, sets four-dimensional effect information and generates vehicle control information for realizing the four-dimensional effect according to the set four-dimensional effect information, and a second vehicle controller that performs vehicle control based on the vehicle control information in consideration of a driving status of a vehicle.
    Type: Application
    Filed: September 30, 2019
    Publication date: October 1, 2020
    Inventors: Ki Beom Kwon, Sang Su Kim, Jun Kyung Lee, Jong Yong Nam
  • Patent number: 10790486
    Abstract: Provided are a secondary battery that is capable of preventing a can member from corroding and a method for manufacturing the same. The secondary battery includes a can member defining an outer appearance of the secondary battery, a top cap assembly an opening of the can member, a gasket insulating the can member and the top cap assembly from each other, and a fracture part disposed on an inner circumference of the opening. The fracture part is blocked from the outside by the gasket.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: September 29, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Do Gyun Kim, Je Jun Lee, Kwang Su Hwangbo, Sang Suk Jung, Hang Soo Shin, Gil Young Lee
  • Patent number: 10775096
    Abstract: Disclosed herein is a refrigerator including a vacuum packing device. The refrigerator includes a body and a vacuum packing device provided in the body and configured to suction air in a vinyl pack having a check valve, wherein the vacuum packing device includes a vacuum pump provided to suction the air, a switch module provided to control an operation of the vacuum pump, a suction head including a first path directly connected to the check valve and configured to suction the air, and a chamber including a first opening connected to the first path and provided to collect a foreign substance suctioned through the suction head.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: September 15, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Young Ha, Kook Jeong Seo, Ji-Young Lee, Jeong Su Han, Ji Yun Yeo, Sang Tak Lee
  • Publication number: 20200287714
    Abstract: This specification discloses a quantum public-key cryptosystem. The quantum public-key cryptosystem may use two rotation operators R{circumflex over (n)}(?) and R{circumflex over (m)}(?) satisfying a cyclic evolution. The two rotation operators R{circumflex over (n)}(?) and R{circumflex over (m)}(?) do not have a commutation relation or an anti-commutation relation with each other. The commutation relation or the anti-commutation relation is established when either of the following conditions is satisfied: ?=2i?, ?=2j?, or {circumflex over (n)}·{circumflex over (m)}=1 (i, j=integer), and ?=(2k+1)?, ?=(2l+1)?, or {circumflex over (n)}·{circumflex over (m)}=0 (k, l=integer).
    Type: Application
    Filed: January 10, 2020
    Publication date: September 10, 2020
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Wook HAN, Sung Wook MOON, Yong Su KIM, Sang Yun LEE, Young Wook CHO, Min Sung KANG, Ji Woong CHOI
  • Patent number: 10770765
    Abstract: Disclosed is a battery module, which includes a cell assembly composed of a plurality of cells, and a frame assembly having a bottom plate supporting the cell assembly from a lower portion, a side plate perpendicular to the bottom plate and disposed adjacent to an outermost side of the cell assembly, and a top plate covering an upper portion of the cell assembly, wherein a groove forming an external air inflow space between the side plate and the cell assembly is formed at the side plate to elongate in a length direction thereof.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun, Mi-Geum Choi, Sung-Won Seo, Hee-Jun Jin, Yoon-Koo Lee, Sang-Woo Ryu
  • Patent number: 10770712
    Abstract: A battery cell includes an electrode assembly and a battery case. The electrode assembly includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The battery case includes an upper case and a lower case, at least one of the upper case and the lower case being provided with a receiving part, in which the electrode assembly is mounted. One end of each of electrode tabs extending from electrode plates of the electrode assembly is coupled to a corresponding end of an electrode lead, which protrudes outward from the battery case. The electrode lead is provided with at least one notch part configured to rupture in response to expansion deformation of the battery case when the pressure in the battery cell increases to achieve the electrical cutoff of the battery.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sang Hun Kim, Yong Kim, Min Hyeong Kang, Cho Long Kim, Hyung Kyun Yu, Ji Hoon Lee, Yong Su Choi, Soo Ji Hwang