Patents by Inventor Ji Su Yoon

Ji Su Yoon 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: 20190334217
    Abstract: Disclosed is a battery module, which includes: a cell assembly composed of pouch cells; a bottom plate configured to support the cell assembly and having slits formed therein at predetermined intervals so that edge portions of the pouch cells are put therein; and a side plate provided perpendicular to a plane of the bottom plate and disposed adjacent to an outermost side of the cell assembly, wherein as the edge portions of the pouch cells are put into the slits of the bottom plate, empty spaces are respectively formed between adjacent edge portions, and wherein the empty spaces are used as a cooling channel.
    Type: Application
    Filed: September 27, 2017
    Publication date: October 31, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Ji-Su YOON, Yoon-Koo LEE, Dal-Mo KANG, Sang-Woo RYU, Jeong-O MUN, Sung-Won SEO
  • Publication number: 20190319232
    Abstract: Disclosed is a battery module, which includes: a plurality of battery cells stacked on one another; a cell housing configured to accommodate the plurality of battery cells; and a cover bus bar configured to cover an entire upper side of the cell housing and including electrode connection layers. The cover bus bar may be electrically connected to electrodes of the plurality of battery cells through the electrode connection layers. The electrode connection layers may be arranged in a layered structure.
    Type: Application
    Filed: March 9, 2018
    Publication date: October 17, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun
  • Publication number: 20190305268
    Abstract: The present disclosure provides a battery module including: at least one cell; and a fame assembly including a lower plate configured to support a lower end surface of the cell, a strap-shaped side plate perpendicularly extending from four corners of the lower plate and placed adjacent to an outermost side of the cell, and an upper plate coupled to an upper end of the side plate and configured to cover an upper portion of the cell.
    Type: Application
    Filed: August 9, 2017
    Publication date: October 3, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Uk RYU, Dal-Mo KANG, Ji-Su YOON
  • Publication number: 20190267684
    Abstract: A battery module includes a plurality of battery cells stacked on one another, a cell housing configured to accommodate the plurality of battery cells, a top plate configured to cover an entire upper side of the cell housing and electrically connected to any one of positive electrodes and negative electrodes of the plurality of battery cells, and a bottom plate disposed to face the top plate and configured to cover an entire lower side of the cell housing and electrically connected to the other of the positive electrodes and the negative electrodes of the plurality of battery cells.
    Type: Application
    Filed: February 19, 2018
    Publication date: August 29, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Uk RYU, Ji-Su YOON, Dal-Mo KANG, Jeong-O MUN
  • Publication number: 20190245169
    Abstract: A battery module includes plurality of battery cells, a cell housing configured to accommodate the plurality of battery cells and a cover housing configured to cover an upper side of the cell housing. The cover housing includes an upper cover configured to form an upper portion of the cover housing, a lower cover bolt-coupled to the upper cover and disposed at the upper side of the cell housing and a bus bar unit disposed between the lower cover and the upper cover, electrically connected to electrodes of the plurality of battery cells, and sealing-coupled to at least one of the upper cover and the lower cover.
    Type: Application
    Filed: April 13, 2018
    Publication date: August 8, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Su-Chang KIM, Dal-Mo KANG, Jeong-O MUN, Jae-Uk RYU, Ji-Su YOON
  • Publication number: 20190221901
    Abstract: A battery module includes a plurality of battery cell assemblies, each having at least one battery cell; a bottom case configured to accommodate the plurality of battery cell assemblies; an upper case mounted to an upper side of the bottom case to expose a part of an upper side, a part of a front side and a part of a rear side of adjacent battery cell assemblies of the plurality of battery cell assemblies; and a cooling unit configured to cover the exposed parts of the adjacent battery cell assemblies and having a phase change material for cooling the adjacent battery cell assemblies.
    Type: Application
    Filed: February 12, 2018
    Publication date: July 18, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Ji-Su YOON, Jae-Uk RYU, Dal-Mo KANG, Jeong-O MUN
  • Publication number: 20190181189
    Abstract: An organic light emitting diode (OLED) display device includes an OLED with a plurality of sub-pixels. A first portion of light-absorption filter layer is between the OLED and an emission surface at locations corresponding to selected sub-pixel locations. The first portion of light-absorption filter layer includes a first light-absorption dye and a second light-absorption dye such that the first portion has a light transmittance curve that has a first valley between 470 nm and 550 nm and has a second valley between 570 nm and 620 nm. At the selected sub-pixel locations, there is a color filter between the OLED and the light-absorption filter.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 13, 2019
    Inventors: Su-Jin CHANG, Ji-Su YOON, Je-Beom PARK, Dong-Ryul JUNG, Kyu-Oh KWON, Min-Jae KANG
  • Publication number: 20190129250
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is configured to convert the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.
    Type: Application
    Filed: October 12, 2018
    Publication date: May 2, 2019
    Inventors: Se-Hyun Park, Min-Jae Kang, Ji-Su Yoon, Kyu-Hwan Lee
  • Publication number: 20190129253
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel having a red pixel, a green pixel, and a blue pixel; and a backlight unit configured to emit light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer configured to convert the first color light into a second color light such that red light and green light are spatially separated; and an optical sheet which diffuses or condenses the second color light.
    Type: Application
    Filed: September 28, 2018
    Publication date: May 2, 2019
    Inventors: Chang-Yul Moon, Ji-Su Yoon, Kyu-Hwan Lee
  • Publication number: 20190129254
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel having a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is disposed on the light source and converts the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.
    Type: Application
    Filed: September 25, 2018
    Publication date: May 2, 2019
    Inventors: Chang-Yul Moon, Je-Beom Park, Se-Hyun Park, Ji-Su Yoon, Kyu-Hwan Lee
  • Publication number: 20190109313
    Abstract: Provided is a cylindrical secondary battery module. The cylindrical secondary battery module includes: a cylindrical secondary battery cell including a battery case in which an electrode assembly and an electrolyte are accommodated, and a cell cap combined to a positive electrode terminal of the battery case; a busbar interconnecting a plurality of the cylindrical secondary battery cells and having a hollow; and a cut-off unit combined to the busbar in the hollow of the busbar to be connected to a cylindrical secondary battery, and configured to be separated from the busbar when an abnormality is generated in the cylindrical secondary battery cell, such that electric connections with the other cylindrical secondary battery cells are broken.
    Type: Application
    Filed: July 31, 2017
    Publication date: April 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun
  • Publication number: 20190094617
    Abstract: The present disclosure relates to a backlight unit and a liquid crystal display device. The liquid crystal display device includes a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel, wherein the backlight unit includes: a light source providing a first color light; a color conversion layer disposed on the light source and converting a part of the first color light into a second color light; an optical sheet between the display panel and the color conversion layer; and an air gap between the color conversion layer and the optical sheet.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 28, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Je-Beom PARK, Ji-Su YOON, Min-Jae KANG, Kyu-Hwan LEE
  • Publication number: 20190006647
    Abstract: The present disclosure provides a battery module including: at least one cell; and a fame assembly including a lower plate configured to support a lower end surface of the cell, a side plate extending perpendicularly from any opposite edge ends of the lower plate and placed adjacent to an outermost side of the cell, and an upper plate coupled to an upper end of the side plate to cover an upper portion of the cell.
    Type: Application
    Filed: August 11, 2017
    Publication date: January 3, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Uk RYU, Dal-Mo KANG, Ji-Su YOON
  • Publication number: 20180315979
    Abstract: Provided is an electrode lead for a secondary battery that is less susceptible to cracks and has improved insulation, and a pouch type secondary battery and a battery module comprising the same. The electrode lead for a secondary battery according to the present disclosure is an electrode lead electrically connected to an electrode assembly, and the electrode lead includes a flat metal conductor and a coverlay type insulating film having an exposed shape at an electrically connected part of the metal conductor.
    Type: Application
    Filed: April 4, 2018
    Publication date: November 1, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Jeong-O Mun, Dal-Mo Kang, Su-Chang Kim, Ji-Su Yoon
  • Publication number: 20180248166
    Abstract: A battery module comprising a first battery group having at least one secondary battery; a second battery group having at least one secondary battery that does not belong to the first battery group; a first bus bar to which an electrode lead of the secondary battery belonging to the first battery group is contacted and coupled; a second bus bar spaced apart from the first bus bar so that an electrode lead of the secondary battery belonging to the second battery group is contacted and coupled thereto; a sub bus bar interposed between the first bus bar and the second bus bar to electrically connect the first bus bar and the second bus bar; and an elastic member having a portion coupled and fixed to the sub bus bar to give a restoring force for separating the sub bus bar from the first bus bar and the second bus bar.
    Type: Application
    Filed: February 21, 2018
    Publication date: August 30, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae-Uk Ryu, Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun
  • Publication number: 20180090799
    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: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Applicant: 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: 7905647
    Abstract: A prism sheet, a back light unit using the same and liquid crystal display device having the back light unit are disclosed, for improvement of light concentration, frontal luminance and viewing angle, in which the prism sheet includes a light-condensing film. The light condensing film has a plurality of prism peaks, each having a triangular cross section inclined surface which is inclined from a top surface of the light-condensing film at an angle of about 20° to about 40°.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: March 15, 2011
    Assignee: LG. Display Co., Ltd.
    Inventors: Hoe Sup Soh, Man Hoan Lee, Ji Su Yoon, Sung Keun Lee, Jin Hyuk Kwon
  • Patent number: 7665877
    Abstract: A prism sheet capable of enhancing light efficiency and viewing angle characteristics, a backlight unit using the prism sheet, and a method for fabricating the prism sheet are disclosed. The prism sheet includes a transparent substrate, a plurality of grooves formed in an upper surface of the transparent substrate to extend in a parallel direction with each other and to be uniformly spaced apart from one another by a predetermined distance, a plurality of reflection patterns respectively formed in the grooves, and a plurality of lenticular lenses formed on the upper surface of the transparent substrate formed with the reflection patterns.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: February 23, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Man Hoan Lee, Ji Su Yoon, Sung Keun Lee
  • Patent number: 7628526
    Abstract: A back light unit is disclosed, which improves condensing efficiency of light and viewing angle characteristics. The back light unit includes at least one lamp generating light, a light guide plate emitting light across a surface thereof using the light generated from the lamp, a diffusion sheet arranged above the light guide plate to diffuse the light passing through the light guide plate, a first condensing sheet condensing the light from the diffusion sheet using a plurality of first elliptical condensing patterns arranged on the diffusion sheet in a first direction, and a second condensing sheet further condensing the light from the first condensing sheet using a plurality of second elliptical condensing patterns arranged on the first condensing sheet in a second direction crossing the first direction.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: December 8, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Man Hoan Lee, Ji Su Yoon, Sung Keun Lee, Won Taek Moon, Jun Kyu Paik, Young Hun Jeong
  • Patent number: 7407317
    Abstract: A prism sheet capable of achieving an enhancement in light efficiency and viewing angle characteristics and a backlight unit using the prism sheet are disclosed. The prism sheet includes: a condensing film which transmits light incident to the condensing film; a plurality of prism crests on the condensing film having apexes; and a plurality of reflection patterns formed on the condensing film such that each of the reflection patterns faces a boundary of adjacent prism crests associated with the reflection pattern to reflect light incident onto the reflection patterns.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: August 5, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Man Hoan Lee, Jae Kyung Kang, Ji Su Yoon, Sung Keun Lee, Won Taek Moon