Patents by Inventor Joo Choi

Joo 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).

  • IMAGE PROCESSING APPARATUS AND CONTROL METHOD THEREOF
    Publication number: 20200160056
    Abstract: Disclosed herein is an image processing apparatus and a control method thereof. The image processing apparatus includes communication circuitry, a storage, and a controller configured to control the image processing apparatus to: perform object recognition for recognizing a plurality of objects in first image data stored in the storage, obtain a score inferred through operation processing through a neural network for the recognized plurality of objects, generate second image data based on the obtained score and proximity of the plurality of objects, and perform image processing based on the second image data.
    Type: Application
    Filed: November 19, 2019
    Publication date: May 21, 2020
    Inventors: Vivek AGARWAL, Anant BAIJAL, Dae Eun HYUN, Mi Jeong KWON, Yun Joo CHOI
  • Resin blend for melting process
    Patent number: 10655002
    Abstract: Provided are a resin blend for forming a layer-separated structure, a pellet, a method of preparing a resin article using the same and a resin article. The resin blend may include a first resin, and a second resin that comprises a resin to which at least one organic functional group selected from the group consisting of an alkyl group having 2 to 20 carbon atoms, an alicyclic group having 5 to 40 carbon atoms and an aromatic group having 6 to 40 carbon atoms is introduced, that has a difference in melt viscosity from the first resin of 0.1 to 3000 pa*s at a shear rate of 100 to 1000 s?1 and a processing temperature of the resin blend, and that has a difference in glass transition temperature from the first resin of 10° C. to 150° C. The resin blend can improve mechanical and surface characteristics of a resin article.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: May 19, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Houng Sik Yoo, Jin Young Ryu, Hak Shin Kim, Eun Joo Choi, Young Jun Hong, Hyun Seok Yang
  • Resin blend for melting process
    Patent number: 10655003
    Abstract: The present invention relates to a resin blend for a melting process, to a method for manufacturing a resin molding using same, and to a resin molding obtained thereby, the resin blend comprising a first resin and a second resin, wherein the second resin includes a polymer resin having at least one organic functional group selected from the group consisting of an alkyl group having 2 to 20 carbon atoms, an alicyclic ring having 5 to 40 carbon atoms and an aromatic ring having 6 to 40 carbon atoms, and has, with the first resin, a melt viscosity difference of 0.1 to 3,000 Pa*s at a shear rate of 100 to 1,000 s?1 and a processing temperature of the resin mixture, and a glass transition temperature (Tg) difference of 10° C. to 150° C.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: May 19, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Houng Sik Yoo, Jin Young Ryu, Hak Shin Kim, Eun Joo Choi, Young Jun Hong, Hyun Seok Yang
  • Photomask and method for manufacturing column spacer for color filter using the same
    Patent number: 10642150
    Abstract: The present invention relates to a photomask and a method for manufacturing a column spacer for a color filter using the same, and according to one aspect of the present invention, a photomask is provided, which comprises a central region having a first transmittance, a first perimeter region surrounding the central region and having a second transmittance lower than the first transmittance, and a second perimeter region surrounding the first perimeter region and having the first transmittance.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: May 5, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dae Han Seo, Dong Chang Choi, Kwang Han Park, Sang Choll Han, Jae Jin Kim, Eun Joo Choi, Min Soo Song
  • Separator for rechargeable lithium battery and rechargeable lithium battery including same
    Patent number: 10541401
    Abstract: A separator for a rechargeable lithium battery includes a substrate, an organic layer positioned on at least one side of the substrate and including an organic material and an inorganic layer positioned on at least one side of the substrate and including an inorganic material, wherein the organic material includes two or more kinds of organic particles having different particle sizes from each other.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: January 21, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Eon-Mi Lee, Jong-Hwan Park, Jung-Hyun Nam, Yeon-Joo Choi, Hoon Seok, Ae-Hui Goh
  • Separator for rechargeable lithium battery and rechargeable lithium battery including same
    Patent number: 10529972
    Abstract: A separator for a rechargeable lithium battery includes a substrate; an organic layer on at least one side of the substrate and including an organic material; and an inorganic layer on at least one side of the substrate and including an inorganic material, where the organic material includes two or more organic particles having respective melting points that are different from each other. A rechargeable lithium battery includes the separator.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: January 7, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hoon Seok, Jong-Hwan Park, Jung-Hyun Nam, Eon-Mi Lee, Yeon-Joo Choi, Ae-Hui Goh
  • NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20190341656
    Abstract: A negative electrode for a rechargeable lithium battery, the negative electrode including: a current collector; a negative active material layer on the current collector; and a coating layer directly contacting the negative active material layer, the coating layer including an organic material and an inorganic material, is disclosed. A rechargeable lithium battery including the same is also disclosed.
    Type: Application
    Filed: July 11, 2019
    Publication date: November 7, 2019
    Inventors: Jung-Hyun Nam, Jong-Hwan Park, Yeon-Joo Choi, Eon-Mi Lee, Hoon Seok
  • Battery pack including memory slot unit configured to insert memory unit for firmware update of battery pack
    Patent number: 10439176
    Abstract: Disclosed is a battery pack, which includes at least one battery module, a pack case configured to package the at least one battery module, a BMS (Battery Management System) unit provided in the pack case to control the at least one battery module, and a memory slot unit electrically connected to the BMS unit and configured to insert a memory unit therein for firmware update of the battery pack.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: October 8, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Yeo-Joo Choi, Hyeon-Kyu Kim, Bum-Hyun Lee, Jae-Ki Lee
  • HYBRID ON BOARD UNIT AND ROADSIDE UNIT SUPPORTING WAVE-V2X AND C-V2X
    Publication number: 20190296426
    Abstract: The present disclosure provides a hybrid vehicle on board unit for supporting WAVE-V2X and C-V2X or a vehicle on board unit and a roadside unit supporting both WAVE-V2X and LTE-V2X or a vehicle on board unit and a roadside unit supporting all of WAVE-V2X, LTE-V2X and 5G-V2X or a vehicle on board unit and a roadside unit supporting WAVE-V2X, LTE-V2X, 5G-V2X and LTE communication or a vehicle on board unit and a roadside unit supporting WAVE-V2X, LTE-V2X, 5G-V2X, LTE communication and 5G communication.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 26, 2019
    Applicant: IT-Telecom Co., Ltd.
    Inventors: Beom Jun Sohn, Kwang Joo Choi
  • ELECTRIC TOOTHBRUSH
    Publication number: 20190274801
    Abstract: An electric toothbrush of the present invention includes: a case having first and second drive shafts exposed therefrom, the first and second drive shafts being rotated in opposite directions and moved forward and backward respectively by a drive unit which is driven by a motor; first and second toothbrush bodies coupled to the first and second drive shafts by first and second coupling units respectively, so as to transmit the rotational force and forward and backward motions of the first and second drive shafts; a brush installed at the ends of the first and second toothbrush bodies so as to clean teeth by the rotational force and forward and backward motions transmitted to the first and second toothbrush bodies; and a third toothbrush body having an auxiliary brush, which is coupled to a third drive shaft of the drive unit installed in the case.
    Type: Application
    Filed: September 29, 2017
    Publication date: September 12, 2019
    Applicant: NOKSIBCHO ALOE CO., LTD.
    Inventors: Jae Seung Choi, Joo A Choi
  • BATTERY PACK FIXING APPARATUS
    Publication number: 20190267590
    Abstract: A battery pack fixing apparatus which may effectively prevent a battery pack from being detached or separated from the fixing apparatus and may ensure easy installation regardless of the place where the battery pack is mounted, including a support unit supporting a lower portion of the battery pack and having a support plate with a coupling structure coupled to the lower portion of the battery pack; and a wall fixing unit including a fixing plate located at the rear of the battery pack loaded on the support unit, formed with a plate shape erecting upward, having a lower portion coupled to one side of the support unit and having a coupling structure coupled to a wall located at the rear.
    Type: Application
    Filed: July 5, 2018
    Publication date: August 29, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yeo-Joo CHOI, Bum-Hyun LEE, Jae-Ki LEE, Jin-Kyu SHIN
  • Resin blend
    Patent number: 10392458
    Abstract: Disclosed are a resin blend, a copolymer, a pellet, a method of manufacturing a resin-molded article using the same, and a resin-molded article. The exemplary resin blend can be useful in providing a protective film for polarizing plates having excellent adhesive strength to a polarizer. Also, the resin blend can be useful in exhibiting excellent adhesive strength to the polarizer without performing an additional primer coating process on a surface(s) of the protective film for polarizing plate, thereby reducing production time and cost and improving productivity.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: August 27, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Eun Joo Choi, Jin Young Ryu, Jong Won Lee, Kyoung Hoon Kim, Hyeon Choi
  • Negative electrode for rechargeable lithium battery and rechargeable lithium battery including the same
    Patent number: 10381690
    Abstract: A negative electrode for a rechargeable lithium battery, the negative electrode including: a current collector; a negative active material layer on the current collector; and a coating layer directly contacting the negative active material layer, the coating layer including an organic material and an inorganic material, is disclosed. A rechargeable lithium battery including the same is also disclosed.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: August 13, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Hyun Nam, Jong-Hwan Park, Yeon-Joo Choi, Eon-Mi Lee, Hoon Seok
  • Line-focused ultrasound transducer and high-intensity line focused ultrasound generator including same
    Patent number: 10363440
    Abstract: The present invention has been made in an effort to provide a line-focused ultrasound transducer and a high intensity line-focused ultrasound generation device including the same in which ultrasound is focused in a line so that the treatment time can be reduced and the structure can be simplified. A line-focused ultrasound transducer which focuses in a line shape includes: a therapeutic piezoelectric member having a hollow semi-cylindrical shape; a first electrode portion which is provided on an inner surface of the therapeutic piezoelectric member; and a second electrode portion which is provided on an outer surface of the therapeutic piezoelectric member in correspondence with the first electrode portion.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: July 30, 2019
    Assignee: KORUST CO., LTD.
    Inventors: Sung-Chan Cho, Min-Joo Choi
  • Cantilever set for atomic force microscopes, substrate surface inspection apparatus including the same, method of analyzing surface of semiconductor substrate by using the same, and method of forming micropattern by using the same
    Patent number: 10352964
    Abstract: A method of forming a micropattern, a substrate surface inspection apparatus, a cantilever set for an atomic force microscope, and a method of analyzing a surface of a semiconductor substrate, and a probe tip the method including forming pinning patterns on a semiconductor substrate; forming a neutral pattern layer in spaces between the pinning patterns; and inspecting a surface of a guide layer that includes the pinning patterns and the neutral pattern layer by using an atomic force microscope (AFM).
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: July 16, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyeong-mi Lee, Jeong-ju Park, Shi-yong Yi, Eun-sung Kim, Seung-chul Kwon, Sang-ouk Kim, Young-joo Choi
  • RECHARGEABLE LITHIUM BATTERY
    Publication number: 20190074546
    Abstract: A rechargeable lithium battery including a negative electrode; a positive electrode including a positive active material; and a non-aqueous electrolyte, wherein the non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt, a first additive including a compound represented by one of Chemical Formulae 1 to 4 and a second additive including a compound represented by Chemical Formula 5 or Chemical Formula 6, or a combination thereof, the positive active material includes a compound that includes about 70 mol % or greater of Ni based on the total mole number of all metal elements except for Li,
    Type: Application
    Filed: August 27, 2018
    Publication date: March 7, 2019
    Inventors: Yunhee KIM, Kyoung Soo KIM, Taejeong KIM, Dohyung PARK, Yongchan YOU, Erang CHO, Sun-Joo CHOI
  • BATTERY PACK
    Publication number: 20190036091
    Abstract: Disclosed is a battery pack, which includes at least one battery module, and a pack case configured to package the at least one battery module and having a space groove exposed only at both side portions and a rear portion of the battery pack.
    Type: Application
    Filed: September 22, 2017
    Publication date: January 31, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Ki LEE, Hyeon-Kyu KIM, Bum-Hyun LEE, Yeo-Joo CHOI
  • BATTERY PACK
    Publication number: 20190027719
    Abstract: Disclosed is a battery pack, which includes at least one battery module and a pack case for packaging the at least one battery module, and the battery pack includes a case base configured to support the at least one battery module, a case body coupled to the case base to accommodate the at least one battery module, and a case cover coupled to the case body to cover the case body, wherein the case base and the case body are sealed to each other and the case body and the case cover are sealed to each other, respectively, by means of a sealant member along a rim thereof.
    Type: Application
    Filed: October 31, 2017
    Publication date: January 24, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hyeon-Kyu KIM, Bum-Hyun LEE, Jae-Ki LEE, Yeo-Joo CHOI
  • Handle for oven
    Patent number: D856074
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: August 13, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jun Kim, Jae-Moon Lee, Hyeong-Ju Seo, Woo-Joo Choi, Jong-Su Jeon, Hwan-Woong Choi
  • Battery pack
    Patent number: D878288
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: March 17, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yeo Joo Choi, Jin Kyu Shin, Hyeon Kyu Kim, Bum Hyun Lee, Jae Ki Lee