Patents by Inventor Chul Byun

Chul Byun 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: 20210159544
    Abstract: The present disclosure relates to an all-solid-state battery with improved lifetime and an operating method thereof. Specifically, the all-solid-state battery includes a laminate including a unit cell provided with an anode, a cathode, and a solid electrolyte layer interposed between the anode and the cathode, and an expansion layer positioned on at least one surface of the laminate, and expanded by at least any one change in voltage and temperature.
    Type: Application
    Filed: May 11, 2020
    Publication date: May 27, 2021
    Inventors: Yong Seok Choi, Young Jin Nam, Myoung Kyou Lee, Jae Min Lim, Soon Chul Byun
  • Patent number: 10971691
    Abstract: A display device comprises: a light emitting array including a plurality of light emitting elements on a substrate and an insulating pattern disposed between the light emitting elements; a color conversion array including a plurality of sub-color conversion parts corresponding to the respective light emitting elements; and a printed circuit board having a first contact electrode connected to each of the light emitting elements, the printed circuit board driving the light emitting elements, wherein the plurality of sub-color conversion parts include first to third sub-color conversion parts that convert the light provided from corresponding light emitting elements into lights of first to third colors and emitting the converted lights, wherein each of the plurality of light emitting elements is electrically insulated from an adjacent light emitting elements.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: April 6, 2021
    Inventors: Sang Chul Byun, Hyuk Hwan Kim, Seok Hyun Nam
  • Publication number: 20200373624
    Abstract: In manufacturing an all-solid-state battery, a cell assembly is pressurized rather than pressurizing each cell unit, and the structure of the battery is simplified by using a reduced number of first electrode current collectors and second electrode current collectors. In particular, the all-solid-state battery includes: first units each including a first electrode current collector and a first electrode active material layer provided on each of opposite surfaces of the first electrode current collector; second units each including a second electrode current collector and a second electrode active material layer provided on each of opposite surfaces of the second electrode current collector; and a solid electrolyte layer disposed between a corresponding first unit and a corresponding second unit.
    Type: Application
    Filed: October 11, 2019
    Publication date: November 26, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yong Seok CHOI, Jae Min LIM, Soon Chul BYUN, In Woo SONG, Yun Sung KIM
  • Publication number: 20200350611
    Abstract: Disclosed are an all-solid-state battery having high energy density and a method for manufacturing the same. One battery structure is pressed instead of pressing each cell unit, an amount of first or second electrode current collectors consumed is reduced, and insulating members are used, thereby simplifying a manufacturing process of the all-solid-state battery and allowing the all-solid-state battery to have high energy density and a stable structure.
    Type: Application
    Filed: December 5, 2019
    Publication date: November 5, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yong Seok CHOI, Hong Seok MIN, Soon Chul BYUN, Yun Sung KIM, Yong Gu KIM, Jae Min LIM
  • Patent number: 10302837
    Abstract: A backlight unit including a light guide plate (LGP), a light source module disposed adjacent to an incident surface of the LGP and configured to irradiate light to the incident surface, and a light control member disposed between the light source module and the incident surface, in which the light control member includes a reflection preventing layer disposed adjacent to the light source module and configured to prevent reflection of light, a base substrate disposed on the reflection preventing layer and configured to scatter or diffuse light transmitted through the reflection preventing layer, and a light adjusting filter disposed on the base substrate and configured to filter light including a first wavelength among light provided by the light source module.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: May 28, 2019
    Assignee: Samsung Display Co., Ltd
    Inventors: Sang Hyuk Lee, Jung Kyun Kim, Sang Chul Byun, Young Hye Son
  • Publication number: 20190148661
    Abstract: A display device comprises: a light emitting array including a plurality of light emitting elements on a substrate and an insulating pattern disposed between the light emitting elements; a color conversion array including a plurality of sub-color conversion parts corresponding to the respective light emitting elements; and a printed circuit board having a first contact electrode connected to each of the light emitting elements, the printed circuit board driving the light emitting elements, wherein the plurality of sub-color conversion parts include first to third sub-color conversion parts that convert the light provided from corresponding light emitting elements into lights of first to third colors and emitting the converted lights, wherein each of the plurality of light emitting elements is electrically insulated from an adjacent light emitting elements.
    Type: Application
    Filed: December 24, 2018
    Publication date: May 16, 2019
    Inventors: Sang Chul BYUN, Hyuk Hwan KIM, Seok Hyun NAM
  • Patent number: 10199593
    Abstract: A display device comprises: a light emitting array including a plurality of light emitting elements on a substrate and an insulating pattern disposed between the light emitting elements; a color conversion array including a plurality of sub-color conversion parts corresponding to the respective light emitting elements; and a printed circuit board having a first contact electrode connected to each of the light emitting elements, the printed circuit board driving the light emitting elements, wherein the plurality of sub-color conversion parts include first to third sub-color conversion parts that convert the light provided from corresponding light emitting elements into lights of first to third colors and emitting the converted lights, wherein each of the plurality of light emitting elements is electrically insulated from an adjacent light emitting elements.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: February 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Chul Byun, Hyuk Hwan Kim, Seok Hyun Nam
  • Patent number: 10111320
    Abstract: A display device includes a light source unit, a light guide plate including a light incident surface, an opposite surface, a light exit surface, and a light exit rear surface, a display panel provided on the light exit surface, a bottom chassis for housing the light guide plate, and an anti-static electricity member including a fluoride resin and contacting the bottom chassis, where the bottom chassis includes a bottom section and a sidewall section perpendicularly connected from the bottom section, and the sidewall section includes a first sidewall section more adjacent close to the light incident surface than the opposite surface, a second sidewall section, a third sidewall section, and the fourth sidewall section, and the anti-static electricity member is provided between the first sidewall section and the light source unit and contacting at least a portion of the first sidewall section.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: October 23, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-chul Byun, Hyuk-hwan Kim, Seokhyun Nam
  • Publication number: 20180226597
    Abstract: A display device comprises: a light emitting array including a plurality of light emitting elements on a substrate and an insulating pattern disposed between the light emitting elements; a color conversion array including a plurality of sub-color conversion parts corresponding to the respective light emitting elements; and a printed circuit board having a first contact electrode connected to each of the light emitting elements, the printed circuit board driving the light emitting elements, wherein the plurality of sub-color conversion parts include first to third sub-color conversion parts that convert the light provided from corresponding light emitting elements into lights of first to third colors and emitting the converted lights, wherein each of the plurality of light emitting elements is electrically insulated from an adjacent light emitting elements.
    Type: Application
    Filed: December 29, 2017
    Publication date: August 9, 2018
    Inventors: Sang Chul BYUN, Hyuk Hwan KIM, Seok Hyun NAM
  • Patent number: 10019114
    Abstract: A display device may include a display panel, at least one light source disposed on one side of the display panel, a circuit board to drive the light source, a light guide plate in which light emitted from the light source is incident into a surface and is emitted to another surface, and a lower frame to support the display panel and to accommodate the light source and the light guide plate. The lower frame may include a base substrate, a digitizer disposed on the base substrate, and a dummy digitizer pattern disposed on the base substrate and spaced apart from the digitizer. The circuit board may be disposed between the digitizer and the dummy digitizer pattern, and the lower frame may be bent and extend around the light source.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: July 10, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Chul Byun, Seok Hyun Nam, Se Ki Park, Young Hye Son, Sang Hyuk Lee
  • Patent number: 9997098
    Abstract: An organic light emitting diode display device includes a display panel including pixels that each include an organic light emitting diode; a logo area detection unit detecting a logo area of the display panel; and a data signal modulation unit applying a first data signal to at least one pixel in the logo area during at least one frame and applying a second data signal to the at least one pixel in the logo area during another frame, wherein a first brightness corresponding to the first data signal is higher than a reference brightness of the at least one pixel in the logo area, a second brightness corresponding to the second data signal is lower than the reference brightness, and an average of the first brightness and the second brightness every frame is equal to the reference.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: June 12, 2018
    Assignee: LG Display Co., LTD
    Inventor: Min-Chul Byun
  • Patent number: 9825325
    Abstract: A rechargeable battery with improved safety and increased capacity of a cell including: an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case comprising an opening configured to receive the electrode assembly; a cap assembly coupled to the sides of the opening of the case; and a lead tab connecting the first electrode to the cap assembly, wherein the first electrode includes a coating region where an active material is coated on both surfaces of a current collector, a first uncoated region where the active material is not coated on the current collector, and a second uncoated region where the active material is not coated on one surface of the current collector.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: November 21, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yun-Woong Kim, Chang-Young Choi, Soon-Chul Byun, Young-Chang Kim
  • Publication number: 20170171962
    Abstract: A display device includes a light source unit, a light guide plate including a light incident surface, an opposite surface, a light exit surface, and a light exit rear surface, a display panel provided on the light exit surface, a bottom chassis for housing the light guide plate, and an anti-static electricity member including a fluoride resin and contacting the bottom chassis, where the bottom chassis includes a bottom section and a sidewall section perpendicularly connected from the bottom section, and the sidewall section includes a first sidewall section more adjacent close to the light incident surface than the opposite surface, a second sidewall section, a third sidewall section, and the fourth sidewall section, and the anti-static electricity member is provided between the first sidewall section and the light source unit and contacting at least a portion of the first sidewall section.
    Type: Application
    Filed: June 28, 2016
    Publication date: June 15, 2017
    Inventors: Sang-chul BYUN, Hyuk-hwan KIM, Seokhyun NAM
  • Publication number: 20170168230
    Abstract: A display device includes a backlight unit including a light guide plate including a light incident surface, an opposite surface facing the light incident surface, a light exit surface connecting the light incident surface and the opposite surface, and a light exit rear surface facing the light exit surface, a light source unit including a light source facing the light incident surface and a flexible printed circuit board disposed on a surface of the light source, a first coupling member disposed on a portion of the light exit rear surface, and a second coupling member disposed on a portion of the flexible printed circuit board, and a display panel disposed above the backlight unit where the first coupling member and the second coupling member are coupled to each other by a magnetic force.
    Type: Application
    Filed: September 19, 2016
    Publication date: June 15, 2017
    Inventors: Sang-chul BYUN, Hyuk-hwan KIM, Seokhyun NAM
  • Patent number: 9650567
    Abstract: A wavelength converter and a liquid crystal display having the same, the wavelength converter including a first pattern that converts a wavelength of light into red light, and a second pattern that converts a wavelength of light into green light. The first pattern and the second pattern are alternately disposed, and an optical path length La of each of the first pattern and the second pattern is given by Equation (1): La=(?a/2)×m, wherein La is an optical length of an a-th pattern, ?a is a wavelength of light converted by the a-th pattern, a is one or two, and m is a natural number.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: May 16, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Hwa Song, Dong Hoon Kim, Sang Chul Byun, Sang Hoon Lee, Seung Hwan Chung, Han Moe Cha
  • Publication number: 20170061852
    Abstract: An organic light emitting diode display device includes a display panel including pixels that each include an organic light emitting diode; a logo area detection unit detecting a logo area of the display panel; and a data signal modulation unit applying a first data signal to at least one pixel in the logo area during at least one frame and applying a second data signal to the at least one pixel in the logo area during another frame, wherein a first brightness corresponding to the first data signal is higher than a reference brightness of the at least one pixel in the logo area, a second brightness corresponding to the second data signal is lower than the reference brightness, and an average of the first brightness and the second brightness every frame is equal to the reference.
    Type: Application
    Filed: August 26, 2016
    Publication date: March 2, 2017
    Inventor: Min-Chul BYUN
  • Publication number: 20160109635
    Abstract: A backlight unit including a light guide plate (LGP), a light source module disposed adjacent to an incident surface of the LGP and configured to irradiate light to the incident surface, and a light control member disposed between the light source module and the incident surface, in which the light control member includes a reflection preventing layer disposed adjacent to the light source module and configured to prevent reflection of light, a base substrate disposed on the reflection preventing layer and configured to scatter or diffuse light transmitted through the reflection preventing layer, and a light adjusting filter disposed on the base substrate and configured to filter light including a first wavelength among light provided by the light source module.
    Type: Application
    Filed: March 26, 2015
    Publication date: April 21, 2016
    Inventors: Sang Hyuk LEE, Jung Kyun KIM, Sang Chul BYUN, Young Hye SON
  • Patent number: 9316776
    Abstract: A light source assembly includes a base substrate, a resin layer disposed on the base substrate, and exposing a portion of the base substrate, and a first light source disposed on the portion of the base substrate which is exposed by the resin layer. The first light source has a hexahedron shape. The first light source has a face in parallel with the base substrate and having a height smaller than length or width of the face.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Won Kang, Sang-Chul Byun, Dong-Yeon Kang, Seok-Hyun Nam, Sang-Hyuk Lee, Hyoung-Joo Kim, Ji-Eun Nam, Ju-Young Yoon
  • Publication number: 20160092030
    Abstract: A display device may include a display panel, at least one light source disposed on one side of the display panel, a circuit board to drive the light source, a light guide plate in which light emitted from the light source is incident into a surface and is emitted to another surface, and a lower frame to support the display panel and to accommodate the light source and the light guide plate. The lower frame may include a base substrate, a digitizer disposed on the base substrate, and a dummy digitizer pattern disposed on the base substrate and spaced apart from the digitizer. The circuit board may be disposed between the digitizer and the dummy digitizer pattern, and the lower frame may be bent and extend around the light source.
    Type: Application
    Filed: June 11, 2015
    Publication date: March 31, 2016
    Inventors: Sang Chul BYUN, Seok Hyun NAM, Se Ki PARK, Young Hye SON, Sang Hyuk LEE
  • Patent number: 9278491
    Abstract: A light emitting unit may include a housing having a bottom portion parallel to an xz plane and an opened top opposite to the bottom portion, a light emitting chip on the bottom portion and generating light, and a lens which overlaps the opened top of the housing. The lens may have a convex structure with respect to the xz plane when viewed from a cross section parallel to an xy plane and a concave structure with respect to the xz plane when viewed from a cross section parallel to a yz plane.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: March 8, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-keun Lee, Chan-Jae Park, Sang-Chul Byun, Myeong-Ju Shin, Suchang Ryu