Patents by Inventor Duk Ki Kim

Duk Ki Kim 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: 20240136674
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
  • Publication number: 20240128517
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
  • Patent number: 11949046
    Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hun Kim, Chang Hee Lee, Yun Hyuk Ko, Duk Ki Kim, Jun Woo Park, Soo Ho Lee, Jae Kook Ha, Yun Ku Jung
  • Patent number: 11935876
    Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Bo Sim, Duk Ki Kim, Yong Hwi Kim, Hyo Jin Ko, Chang Hee Lee, Chan Woo Joo, Jae Kook Ha, Na Mi Hong
  • Publication number: 20240086135
    Abstract: An electronic device is provided that includes a first display and a second display. The electronic device also includes a processor configured to allocate a first set of resources to the first display and a second set of resources to the second display. The first set of resources is different from the second set of resources. Each of the first set of resources and the second set of resources includes one or more of at least one available hardware resource and at least one available software resource.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Inventors: Duk Ki HONG, Hyuk KANG, Jeong Hun KIM, Jae Bong YOO, Kyung Soo LIM, Jun Hak LIM, Min Gyew KIM, Na Jung Seo
  • Publication number: 20230416548
    Abstract: A light emitting element ink and a method of manufacturing a display device are provided. The light emitting element ink includes a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers and an insulating film surrounding outer surfaces of the semiconductor layers, a thickener dispersed in the light emitting element solvent, wherein a compound of the thickener includes a functional group capable of forming a hydrogen bond together with a compound of the light emitting element solvent or another compound of the thickener and the compound of the thickener is represented by Chemical Formula 1.
    Type: Application
    Filed: September 12, 2023
    Publication date: December 28, 2023
    Inventors: Jun Bo SIM, Hyo Jin KO, Duk Ki KIM, Chang Hee LEE, Jae Kook HA
  • Patent number: 11787964
    Abstract: A light emitting element ink and a method of manufacturing a display device are provided. The light emitting element ink includes a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers and an insulating film surrounding outer surfaces of the semiconductor layers, a thickener dispersed in the light emitting element solvent, wherein a compound of the thickener includes a functional group capable of forming a hydrogen bond together with a compound of the light emitting element solvent or another compound of the thickener and the compound of the thickener is represented by Chemical Formula 1.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: October 17, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Bo Sim, Hyo Jin Ko, Duk Ki Kim, Chang Hee Lee, Jae Kook Ha
  • Patent number: 11728464
    Abstract: A light emitting element includes a first semiconductor layer; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; an insulating film surrounding an outer peripheral surface of each of the first semiconductor layer, the active layer and the second semiconductor layer; and a polymer film including a polymer chain and on at least a portion of a surface of the insulating film.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: August 15, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Won Park, Chang Hee Lee, Duk Ki Kim, Yun Ku Jung, Yun Hyuk Ko, Jae Kook Ha
  • Patent number: 11515481
    Abstract: A composition for forming organic film, a display device utilizing the composition, and a method of manufacturing the display device are provided. The composition for forming an organic film includes a solvent; and a compound of Formula 1: ArR)k.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hun Kim, Chang Woong Chu, Duk Ki Kim, Dong Woo Shin, Jae Kook Ha
  • Publication number: 20220259045
    Abstract: The present invention relates to a bundle-type carbon nanotube which has a bulk density of 25 to 45 kg/m3, a ratio of the bulk density to a production yield of 1 to 3, and a ratio of a tap density to the bulk density of 1.3 to 2.0, and a method for preparing the same.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Inventors: Sung Jin Kim, Jae Keun Yoon, Dong Hyun Cho, Hyun Joon Kang, Byung Yul Choi, Duk Ki Kim, Hyun Woo Park, Hyo Sang You
  • Publication number: 20220204796
    Abstract: A method for manufacturing a display device comprises the steps of: spraying, on a target substrate having a first electrode and a second electrode formed thereon, an element ink comprising a first element solvent and light-emitting elements dispersed in the first element solvent; forming a second element solvent in which at least some bonds of the first element solvent are decomposed by irradiating light to the first element solvent and mounting the light-emitting elements on the first electrode and the second electrode; and removing the second element solvent.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 30, 2022
    Inventors: Jae Hoon JUNG, Hee Yeon YOO, Hye Jung HONG, Hyo Jin KO, Duk Ki KIM, Jun Bo SIM, Sung Chan JO, Jong Hyuk KANG, Keun Kyu SONG, Hyun Min CHO
  • Patent number: 11352260
    Abstract: The present invention relates to a bundle-type carbon nanotube which has a bulk density of 25 to 45 kg/m3, a ratio of the bulk density to a production yield of 1 to 3, and a ratio of a tap density to the bulk density of 1.3 to 2.0, and a method for preparing the same.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: June 7, 2022
    Assignee: LG CHEM, LTD
    Inventors: Sung Jin Kim, Jae Keun Yoon, Dong Hyun Cho, Hyun Joon Kang, Byung Yul Choi, Duk Ki Kim, Hyun Woo Park, Hyo Sang You
  • Publication number: 20220139871
    Abstract: A light-emitting element ink and a method of manufacturing a display device using the light-emitting element ink are provided. The light-emitting element ink comprises a solvent, a dispersant mixed with the solvent, and a plurality of light-emitting elements dispersed in the solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film surrounding parts of outer surfaces of the semiconductor layers, wherein the dispersant includes an aqueous dispersant or an organic dispersant, if the dispersant is the aqueous dispersant, the solvent has a hydrogen bonding parameter, of Hansen's solubility parameters, of less than 7, and if the dispersant is the organic dispersant, the solvent has a hydrogen bonding parameter, of Hansen's solubility parameters, of 7 or greater.
    Type: Application
    Filed: October 18, 2021
    Publication date: May 5, 2022
    Inventors: Na Mi HONG, Hyo Jin KO, Duk Ki KIM, Jun Bo SIM, Chang Hee LEE, Jae Kook HA, Gyu Bong KIM, Hoi Lim KIM
  • Publication number: 20220093817
    Abstract: An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 24, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyo Jin KO, Duk Ki KIM, Yong Hwi KIM, Jun Bo SIM, Na Mi HONG, Jong Hyuk KANG, Gyu Bong KIM, Hoi Lim KIM, Sae Na YUN, Chang Hee LEE, Hyun Deok IM, Eun A CHO, Jae Kook HA
  • Publication number: 20220093818
    Abstract: An ink for manufacturing a display device includes a solvent; and light emitting elements disposed in the solvent, wherein the light emitting elements include a first semiconductor layer including a first type of semiconductor and a second semiconductor layer including a second type of semiconductor, and an electrical conductivity of the ink is about 1.5 ?S/m or less. Also provided are a method of manufacturing a display device using the ink and a display device manufactured by the method.
    Type: Application
    Filed: June 28, 2021
    Publication date: March 24, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jun Bo SIM, Duk Ki KIM, Hyo Jin KO, Chang Hee LEE, Jae Kook HA, Na Mi HONG, Jong Hyuk KANG, Won Ho LEE, Hyun Deok IM, Eun A CHO
  • Publication number: 20220052227
    Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.
    Type: Application
    Filed: August 6, 2021
    Publication date: February 17, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Se Hun KIM, Chang Hee LEE, Yun Hyuk KO, Duk Ki KIM, Jun Woo PARK, Soo Ho LEE, Jae Kook HA, Yun Ku JUNG
  • Publication number: 20220037559
    Abstract: A light emitting element ink comprises a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers, and an insulating film surrounding outer surfaces of the plurality of semiconductor layers, and a thickener dispersed in the light emitting element solvent, wherein the thickener includes a compound represented by Chemical Structural Formula 1 as a polyol-based compound capable of forming a hydrogen bond with the light emitting element solvent or another thickener, and the thickener has a boiling point in a range of about 200° C. to about 450° C.
    Type: Application
    Filed: May 13, 2021
    Publication date: February 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyo Jin KO, Duk Ki KIM, Jun Bo SIM, Na Mi HONG, Yong Hwi KIM, Chang Hee LEE, Jae Kook HA
  • Publication number: 20210391308
    Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.
    Type: Application
    Filed: April 27, 2021
    Publication date: December 16, 2021
    Inventors: Jun Bo SIM, Duk Ki KIM, Yong Hwi KIM, Hyo Jin KO, Chang Hee LEE, Chan Woo JOO, Jae Kook HA, Na Mi HONG
  • Publication number: 20210332256
    Abstract: A light emitting element ink and a method of manufacturing a display device are provided. The light emitting element ink includes a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers and an insulating film surrounding outer surfaces of the semiconductor layers, a thickener dispersed in the light emitting element solvent, wherein a compound of the thickener includes a functional group capable of forming a hydrogen bond together with a compound of the light emitting element solvent or another compound of the thickener and the compound of the thickener is represented by Chemical Formula 1.
    Type: Application
    Filed: April 16, 2021
    Publication date: October 28, 2021
    Inventors: Jun Bo SIM, Hyo Jin KO, Duk Ki KIM, Chang Hee LEE, Jae Kook HA
  • Publication number: 20210252423
    Abstract: The present invention relates to s solvent composition for natural material extraction, which is harmless to and safe for the human body, has excellent antibacterial activity, and can extract an effect substance from a natural material at improved yield. Containing 2,3-butanediol, the solvent composition for natural material extraction according to the present invention is harmless to and safe for the human body, has excellent antibacterial activity, and exhibits an improved yield in extracting an effective substance from a natural material. In addition, the solvent composition for natural material extraction contains 2,3-butanediol produced from biomass and thus does not cause the emission of greenhouse gases (CO2).
    Type: Application
    Filed: June 21, 2019
    Publication date: August 19, 2021
    Inventors: Julia LEE, Duk-Ki KIM