Patents by Inventor Jae-yul Ryu

Jae-yul Ryu 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: 20240381527
    Abstract: A printed circuit board according to an embodiment includes a first insulating layer, a second insulating layer disposed on the first insulating layer, and a cavity formed in the first and second insulating layers; wherein the cavity includes a first portion formed in the second insulating layer, and a second portion formed in the first insulating layer; wherein the first portion has a first cross-sectional shape, and wherein the second part has a second cross-sectional shape different from the first cross-sectional shape.
    Type: Application
    Filed: July 24, 2024
    Publication date: November 14, 2024
    Inventors: Jae Hwa KIM, Seung Yul SHIN, Sung Wuk RYU
  • Publication number: 20240371194
    Abstract: A display device includes a display panel, a metal plate disposed on a bottom surface of the display panel and configured to support the display panel, a filling member disposed on the bottom surface of the display panel, the filling member being disposed on the same level as the metal plate relative to the bottom surface of the display panel, and a material of the metal plate being different from a material of the filling member, a fingerprint sensor disposed on a bottom surface of the filling member, and a member-sensor bonding member disposed between the fingerprint sensor and the filling member to bond the fingerprint sensor to the filling member. A hardness of the filling member is greater than a hardness of the member-sensor bonding member.
    Type: Application
    Filed: July 15, 2024
    Publication date: November 7, 2024
    Inventors: Jae Hyung JO, Ji Hun RYU, Kwang Hyun BAEK, Jong In BAEK, Su Yul SEO, Sung Ho JIN
  • Patent number: 12089325
    Abstract: A printed circuit board according to an embodiment includes a first insulating layer; a second insulating layer disposed on the first insulating layer; and a cavity formed in the first and second insulating layers; wherein the cavity includes a first portion formed in the second insulating layer; and a second portion formed in the first insulating layer; wherein the first portion has a first cross-sectional shape, and wherein the second part has a second cross-sectional shape different from the first cross-sectional shape.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: September 10, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jae Hwa Kim, Seung Yul Shin, Sung Wuk Ryu
  • Patent number: 12067801
    Abstract: A display device includes a display panel, a metal plate disposed on a bottom surface of the display panel and configured to support the display panel, a filling member disposed on the bottom surface of the display panel, the filling member being disposed on the same level as the metal plate relative to the bottom surface of the display panel, and a material of the metal plate being different from a material of the filling member, a fingerprint sensor disposed on a bottom surface of the filling member, and a member-sensor bonding member disposed between the fingerprint sensor and the filling member to bond the fingerprint sensor to the filling member. A hardness of the filling member is greater than a hardness of the member-sensor bonding member.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Hyung Jo, Ji Hun Ryu, Kwang Hyun Baek, Jong In Baek, Su Yul Seo, Sung Ho Jin
  • Patent number: 9287585
    Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent; a lithium salt; and an additive including vinylene carbonate, fluoroethylene carbonate, and a nitrile-based compound represented by Formula 1: wherein n ranges from 1 to 12 and R1 and R2 are independently a halogen, a hydrogen, or an alkyl group. Further, the alkyl group can be CmH(2m+1), in which m ranges from 1 to 10. The electrolyte for a rechargeable lithium battery improves storage stability of the rechargeable lithium battery at a high temperature. And, a rechargeable lithium battery including the electrolyte has improved storage stability.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jong-Hwa Lee, In-Tae Mun, Sae-Weon Roh, So-Hyun Hur, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu
  • Patent number: 9269985
    Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: February 23, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Yul Ryu, Joon-Sup Kim, Jea-Woan Lee, Jin-Hee Moon, Wan-Uk Choi, Young-Ugk Kim, Chang-Keun Back, Seung-Hee Park, Yong-Bum Lee
  • Publication number: 20150093602
    Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent; a lithium salt; and an additive including vinylene carbonate, fluoroethylene carbonate, and a nitrile-based compound represented by Formula 1: wherein n ranges from 1 to 12 and R1 and R2 are independently a halogen, a hydrogen, or an alkyl group. Further, the alkyl group can be CmH(2m+1), in which m ranges from 1 to 10. The electrolyte for a rechargeable lithium battery improves storage stability of the rechargeable lithium battery at a high temperature. And, a rechargeable lithium battery including the electrolyte has improved storage stability.
    Type: Application
    Filed: December 4, 2014
    Publication date: April 2, 2015
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jong-Hwa Lee, In-Tae Mun, Sae-Weon Roh, So-Hyun Hur, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu
  • Patent number: 8980474
    Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a current collector, an active material layer on the current collector and including an amorphous silicon oxide represented by SiOx (0.95<x<1.7), and an SEI layer on the active material layer and including about 70 area % or more of protrusion parts having a size of about 5 nm to 300 nm during charging of the battery.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: March 17, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Tae-Gon Kim, Hee-Joon Chun, Joon-Sup Kim, Wan-Uk Choi, Hisaki Tarui, Jea-Woan Lee, Jae-Yul Ryu, Young-Chang Lim, Seung-Hee Park
  • Patent number: 8906559
    Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent; a lithium salt; and an additive including vinylene carbonate, fluoroethylene carbonate, and a nitrile-based compound represented by Formula 1: wherein n ranges from 1 to 12 and R1 and R2 are independently a halogen, a hydrogen, or an alkyl group. Further, the alkyl group can be CmH(2m+1), in which m ranges from 1 to 10. The electrolyte for a rechargeable lithium battery improves storage stability of the rechargeable lithium battery at a high temperature. And, a rechargeable lithium battery including the electrolyte has improved storage stability.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: December 9, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jong-Hwa Lee, In-Tae Mun, Sae-Weon Roh, So-Hyun Hur, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu
  • Patent number: 8808918
    Abstract: The rechargeable lithium battery of the present invention includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte. The positive active material includes a core and a coating layer formed on the core. The core is made of a material such as LiCo0.98M?0.02O2, and the coating layer is made of a material such as MxPyOz. The electrolyte solution includes a nitrile-based additive. The rechargeable lithium battery of the present invention shows higher cycle-life characteristics and longer continuous charging time at high temperature.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jeom-Soo Kim, Jong-Hwa Lee, Yong-Chul Park, Jae-Yul Ryu, So-Hyun Hur
  • Patent number: 8808915
    Abstract: The rechargeable lithium battery includes a positive electrode which includes a positive active material, a negative electrode, and an electrolyte which includes a non-aqueous organic solvent and a lithium salt. The positive active material includes a core including at least one of a compound represented by Formula 1 and a compound represented by Formula 2, and a surface-treatment layer which is formed on the core and includes a compound represented by Formula 3. The lithium salt includes LiPF6 and a lithium imide-based compound. LiaNibCocMndMeO2??(1) LihMn2MiO4??(2) M?xPyOz??(3) wherein each of M and M? is independently selected from the group consisting of an alkali metal, an alkaline-earth metal, a Group 13 element, a Group 14 element, a transition element, a rare earth element, and combinations thereof, 0.95?a?1.1, 0?b?0.999, 0?c?0.999, 0?d?0.999, 0.001?e?0.2, 0.95?h?1.1, 0.001?i?0.2, 1?y?4, 0?y?7, and 2?z?30.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-Hyun Hur, Euy-Young Jung, Duck-Chul Hwang, Yong-Chul Park, Jong-Hwa Lee, Jeom-Soo Kim, Jae-Yul Ryu, Jin-Bum Kim
  • Patent number: 8802300
    Abstract: A rechargeable lithium battery including a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte including a non-aqueous organic solvent and a lithium salt. The positive electrode has an active-mass density of about 3.7 to 4.1 g/cc, and the non-aqueous electrolyte includes a nitrile-based compound additive, a non-aqueous organic solvent, and a lithium salt.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: August 12, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jong-Hwa Lee, Duck-Chul Hwang, Jeom-Soo Kim, Yong-Chul Park, Jae-Yul Ryu, Euy-Young Jung, So-Hyun Hur
  • Publication number: 20130052508
    Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a current collector, an active material layer on the current collector and including an amorphous silicon oxide represented by SiOx (0.95<x<1.7), and an SEI layer on the active material layer and including about 70 area % or more of protrusion parts having a size of about 5 nm to 300 nm during charging of the battery.
    Type: Application
    Filed: March 29, 2012
    Publication date: February 28, 2013
    Inventors: Tae-Gon Kim, Hee-Joon Chun, Joon-Sup Kim, Wan-Uk Choi, Hisaki Tarui, Jea-Woan Lee, Jae-Yul Ryu, Young-Chang Lim, Seung-Hee Park
  • Publication number: 20130052533
    Abstract: In one aspect, a negative active material for a lithium secondary battery including silicon oxide represented by a chemical formula SiOx (1.1<x<1.5) and a negative electrode and a lithium secondary battery including the negative active material is provided. The silicon oxide may be amorphous silicon oxide.
    Type: Application
    Filed: February 8, 2012
    Publication date: February 28, 2013
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Hee-Joon Chun, Tae-Gon Kim, Joon-Sup Kim, Wan-Uk Choi, Tarui Hisaki, Jea-Woan Lee, Jae-Yul Ryu, Chang-Keun Back, Young-Chang Lim, Seung-Hee Park
  • Publication number: 20130045419
    Abstract: Provided are a negative active material for a rechargeable lithium battery, which includes a first silicon oxide (SiOx) and a second silicon oxide (SiOx) with a particle diameter differing from the one of the first silicon oxide (SiOx), a negative electrode including the negative active material, and a method of manufacturing the negative electrode, and a rechargeable lithium battery including the negative electrode. The first silicon oxide (SiOx) and second silicon oxide (SiOx) have a particle distribution peak area ratio ranging from 3 to 8.
    Type: Application
    Filed: December 19, 2011
    Publication date: February 21, 2013
    Inventors: Hee-Joon Chun, Tae-Gon Kim, Joon-Sup Kim, Wan-Uk Choi, Hisaki Tarui, Jea-Woan Lee, Jae-Yul Ryu, Chang-Keun Back, Young-Chang Lim, Seung-Hee Park
  • Publication number: 20120301792
    Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate.
    Type: Application
    Filed: August 8, 2012
    Publication date: November 29, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jae-Yul Ryu, Joon-Sup Kim, Jea-Woan Lee, Jin-Hee Moon, Wan-Uk Choi, Young-Ugk Kim, Chang-Keun Back, Seung-Hee Park, Yong-Bum Lee
  • Patent number: 8268487
    Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: September 18, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Yul Ryu, Joon-Sup Kim, Jea-Woan Lee, Jin-Hee Moon, Wan-Uk Choi, Young-Ugk Kim, Chang-Keun Back, Seung-Hee Park, Yong-Bum Lee
  • Patent number: 8268486
    Abstract: A positive electrode includes a current collector and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material including a core including a compound LiaCO1-bMbO2 and a surface-treatment layer. In the core compound, 0.95?a?1.1, 0.002?b?0.02, and M is one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, P, As, Sb, Bi, S, Se, Te, Po. The surface-treatment layer includes a compound including element of P, and one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, As, Sb, Bi, S, Se, Te, Po.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: September 18, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Duck-Chul Hwang, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu, Jong-Hwa Lee, Euy-Young Jung, So-Hyun Hur
  • Publication number: 20110293991
    Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a silicon-based negative active material, an electrolyte including a lithium salt and a non-aqueous organic solvent, and a separator including a polymer substrate and a ceramic-containing coating layer on the polymer substrate. The ceramic-containing coating layer has a porosity at or between about 50% and about 90%, and a thickness at or between about 2 ?m and about 6 ?m. The rechargeable lithium battery has a capacity per volume of more than or equal to about 700 Wh/l.
    Type: Application
    Filed: February 14, 2011
    Publication date: December 1, 2011
    Inventors: Jae-Yul Ryu, Wan-Uk Choi, Joon-Sup Kim, Jea-Woan Lee, Jin-Hee Moon, Chang-Keun Back, Young-Ugk Kim, Seung-Hee Park
  • Publication number: 20110293990
    Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a silicon-based negative active material, an electrolyte including a lithium salt and a non-aqueous organic solvent, and a separator including a polymer substrate and a ceramic-containing coating layer on the polymer substrate. The ceramic-containing coating layer has a porosity at or between about 50% and about 90%, and a thickness at or between about 2 ?m and about 6 ?m. The rechargeable lithium battery has a capacity per volume of more than or equal to about 700 Wh/l.
    Type: Application
    Filed: November 19, 2010
    Publication date: December 1, 2011
    Inventors: Jae-Yul Ryu, Wan-Uk Choi, Joon-Sup Kim, Jea-Woan Lee, Jin-Hee Moon, Chang-Keun Back, Young-Ugk Kim, Seung-Hee Park