Patents by Inventor Hee Sung Choi

Hee Sung 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).

  • Publication number: 20150340666
    Abstract: A secondary battery and a method of manufacturing the same are disclosed. In one aspect, the method includes preparing an electrode assembly comprising a positive electrode plate, a negative electrode plate, and a separator interposed therebetween. The method also includes freezing the electrode assembly after the electrode assembly is filled with an electrolyte solution, dipping the frozen electrode assembly in a liquid polymer material, retrieving the dipped electrode assembly from the liquid polymer material, and curing an external surface of the electrode assembly.
    Type: Application
    Filed: March 16, 2015
    Publication date: November 26, 2015
    Inventors: Jee-Won Kang, Byong-Gon Lee, Ki-Soo Lee, Jake Kim, Maeng-Eun Lee, Jee-Hoon Han, Seon-Hong Lee, Jong-Man Kim, Young-Woong Kwon, Hee-Sung Choi
  • Publication number: 20150228413
    Abstract: A solid electrolytic capacitor may include: an anode body formed of a porous sintered material containing a tantalum powder having an average particle size of 100 nm or less; an anode wire having a portion buried in the porous sintered material in a length direction; a dielectric layer formed on a surface of the porous sintered material; and a solid electrolytic layer disposed on a surface of the dielectric layer. When a cross-sectional area of the anode wire in a thickness-width direction is defined as A1 and a cross-sectional area of the anode body in the thickness-width direction is defined as A2, 0.05?A1/A2?0.5 is satisfied.
    Type: Application
    Filed: May 1, 2014
    Publication date: August 13, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hee Sung CHOI, Kyoung Hwan KIM
  • Publication number: 20150228412
    Abstract: A tantalum capacitor may include: a body part having a cathode layer disposed as an outermost layer thereof; an anode wire buried in the body part with a portion thereof being led out from one surface of the body part; and a molded part enclosing the body part and the anode wire. The molded part formed on at least one surface of the cathode layer may have a thickness of 10 ?m to 50 ?m.
    Type: Application
    Filed: May 1, 2014
    Publication date: August 13, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hee Sung CHOI, Kyoung Hwan KIM
  • Publication number: 20150131206
    Abstract: A tantalum capacitor may include: a capacitor body containing a tantalum powder and having a tantalum wire exposed to one end surface thereof; a positive electrode lead frame including a positive electrode terminal part, a vertical support part vertically extended from one leading edge of the positive electrode terminal part, and a positive electrode connection part extended from the vertical support part toward the positive electrode terminal part and connected to the tantalum wire; a negative electrode lead frame having the capacitor body mounted on an upper surface thereof; and a molding part formed to allow a lower surface of the positive electrode terminal part of the positive electrode lead frame and a lower surface of the negative electrode lead frame to be exposed, while enclosing the capacitor body.
    Type: Application
    Filed: March 4, 2014
    Publication date: May 14, 2015
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sung Ho Kwak, Hun Chol Jung, Jeong Oh Hong, Sung Soo Cha, Hee Dong Myung, Hee Sung Choi
  • Publication number: 20150116909
    Abstract: There is provided a tantalum capacitor including: a capacitor body containing tantalum powder and having a tantalum wire exposed to one end thereof; a positive electrode lead frame including a positive electrode terminal part and a positive electrode connection part formed by upwardly bending a portion of the positive electrode terminal part from the outside toward the inside and connected to the tantalum wire; a negative electrode lead frame having the capacitor body mounted thereon; and a molded part formed to enclose the capacitor body while exposing a lower surface of the positive electrode terminal part of the positive electrode lead frame and a lower surface of the negative electrode lead frame.
    Type: Application
    Filed: January 30, 2014
    Publication date: April 30, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Ho KWAK, Hun Chol JUNG, Jeong Oh HONG, Sung Soo CHA, Hee Dong MYUNG, Hee Sung CHOI
  • Publication number: 20150077904
    Abstract: A solid electrolytic capacitor of the present invention includes: a capacitor element having an anode wire inserted in one side surface thereof; a cathode terminal disposed on one side under the capacitor element to be electrically connected to the capacitor element; an anode terminal disposed on the other side under the capacitor element and having a bending portion integrally formed to be inclined to the capacitor element for electrical connection with the anode wire; and a molding portion surrounding the outside of the capacitor element and formed to expose lower surfaces of the cathode terminal and the anode terminal.
    Type: Application
    Filed: September 15, 2014
    Publication date: March 19, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Ho KWAK, Hee Sung CHOI, Hun Chol JUNG, Yeong Su CHO, Sung Soo CHA, Hee Dong MYUNG, Jeong Oh HONG
  • Publication number: 20150004477
    Abstract: A secondary battery includes an electrolyte; an electrode assembly including: a first electrode plate including a first active material on a first base material, a second electrode plate opposite to the first electrode plate and including a second active material on a second base material, and a separator between the first and second electrode plates; a battery case accommodating the electrode assembly and the electrolyte; and a bridge member coupled between terminal portions having different polarities at the outside of the battery case, wherein the voltage of the secondary battery is ?0.1V to 0.1V.
    Type: Application
    Filed: June 16, 2014
    Publication date: January 1, 2015
    Inventors: Jake Kim, Jee-Won Kang, Seon-Hong Lee, Jong-Man Kim, Jee-Hoon Han, Young-Woong Kwan, Hee-Sung Choi, Byong-Gon Lee, Maeng-Eun Lee
  • Publication number: 20150004474
    Abstract: A method of manufacturing a secondary battery is disclosed. In one aspect, a method of manufacturing a secondary battery includes assembling the secondary battery by receiving an electrode assembly including a first pole plate, a second pole plate and a separator between the first and second pole plates, along with an electrolyte, in a battery case. The method further includes precharging the secondary battery, leaving the secondary battery at room temperature and performing first charging and first discharging of the secondary battery.
    Type: Application
    Filed: February 12, 2014
    Publication date: January 1, 2015
    Applicant: Samsung SDl Co., Ltd.
    Inventors: Seon-Hong Lee, Jee-Won Kang, Jong-Man Kim, Jee-Hoon Han, Young-Woong Kwon, Hee-Sung Choi, Byong-Gon Lee, Maeng-Eun Lee, Jake Kim
  • Publication number: 20140308573
    Abstract: A secondary battery is disclosed. In one aspect, the battery includes an electrode assembly including i) a positive electrode plate on which a positive active material is formed, ii) a negative electrode plate on which a negative active material is formed, and iii) a separator separating the positive and negative electrode plates. The battery also includes a can accommodating the electrode assembly, wherein the can has an inner surface facing the electrode assembly, an inner active material layer formed on the inner surface of the can and a securing layer covering the inner active material layer.
    Type: Application
    Filed: December 12, 2013
    Publication date: October 16, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Young-Woong Kwon, Byong-Gon Lee, Maeng-Eun Lee, Jake Kim, Jee-Hoon Han, Seon-Hong Lee, Jong-Man Kim, Hee-Sung Choi
  • Publication number: 20140254067
    Abstract: Disclosed herein is a tantalum capacitor capable of improving equivalent series resistance (ESR) characteristic by increasing the bond between a tantalum wire and a tantalum powder. The tantalum capacitor according to the present invention includes: a tantalum wire; a tantalum powder having embedded a front end of the tantalum wire and then being sintered; and a rough part formed on a surface of the tantalum wire so as to strengthen a bond between the tantalum wire and the tantalum powder.
    Type: Application
    Filed: August 1, 2013
    Publication date: September 11, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee Dong Myung, Jeong Oh Hong, Hee Sung Choi, Kyoung Hwan Kim
  • Patent number: 8349398
    Abstract: An aerosol spray apparatus and a method of forming a film using the aerosol spray apparatus are disclosed. The aerosol spray apparatus in accordance with an embodiment of the present invention includes: a carrier gas injection unit, which forms carrier gas by vaporizing liquefied gas and increases the pressure of the carrier gas; an aerosol forming unit, which forms an aerosol by mixing the carrier gas with powder; and a film forming unit, which sprays the aerosol in a normal pressure environment such that the film is formed on the surface of the board. The apparatus can perform a coating process with no restriction of the type and size of powder, simplify the process because the film can be formed in a normal temperature and pressure environment, and control a wide range of film thickness in a short time.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: January 8, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee-Sung Choi, Kwang-Su Kim, Hoo-Mi Choi, Tae-Sung Kim, Mi-Yang Kim, Hyun-Ho Shin
  • Publication number: 20120111730
    Abstract: A composite electrode and a method for manufacturing the same are disclosed. By using a composite electrode that includes a porous support made of ceramic or metal and a conductive polymer or a metal oxide formed on a surface of the porous support, a capacitor or secondary cell that provides increased charge/discharge capacity and increased energy/output density, as well as high-temperature stability and high reliability, can be manufactured.
    Type: Application
    Filed: January 10, 2012
    Publication date: May 10, 2012
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee-Sung Choi, Young-Kwan Lee
  • Patent number: 8003173
    Abstract: The present invention relates to a method for forming a photoresist-laminated substrate including: preparing a laminated substrate having an insulating substrate and a metal layer; coating with an aerosol of metal nanoparticles on the metal layer; laminating a photoresist film on the metal layer coated with the aerosol of metal nanoparticles. The method of the present invention is a environmentally friendly method since an aerosol of metal nanoparticles is used, differentiated from the conventional wet process.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: August 23, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee-Sung Choi, Bae-Kyun Kim, Mi-Yang Kim, Seoung-Jae Lee
  • Patent number: 7993418
    Abstract: Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire of which one side is inserted into the capacitor element and the other side projects outward from the capacitor element; a cathode extraction layer formed on the capacitor element; a plurality of conductive bumps formed on the cathode extraction layer; an anode lead frame fixed to the side of the capacitor element, where the anode wire projects outward, and having an insertion portion into which the projecting end of the anode wire is inserted; a molding portion formed to surround the capacitor element and exposing the projecting end of the anode wire, the outer surface of the anode lead frame, and ends of the conductive bumps; an anode lead terminal provided on the molding portion so as to be electrically connected to the exposed end of the anode wire and the anode lead frame; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the exposed ends of the
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: August 9, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee Sung Choi, Seoung Jae Lee, Yeoung Jin Lee, Sung Han Won, Ha Yong Jung, Hyun Ho Shin, Jung Tae Park, Jae Youn Jeong
  • Patent number: 7969710
    Abstract: Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire of which one side is inserted into the capacitor element and the other side projects outward from the capacitor element; a cathode extraction layer formed on the capacitor element; a plurality of conductive bumps formed on the cathode extraction layer; an anode lead frame fixed to the side of the capacitor element, where the anode wire projects outward, and having an insertion portion into which the projecting end of the anode wire is inserted; a molding portion formed to surround the capacitor element and exposing the projecting end of the anode wire, the outer surface of the anode lead frame, and ends of the conductive bumps; an anode lead terminal provided on the molding portion so as to be electrically connected to the exposed end of the anode wire and the anode lead frame; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the exposed ends of the
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: June 28, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee Sung Choi, Seoung Jae Lee, Yeoung Jin Lee, Sung Han Won, Ha Yong Jung, Hyun Ho Shin, Jung Tae Park, Jae Youn Jeong
  • Publication number: 20100273051
    Abstract: A composite electrode and a method for manufacturing the same are disclosed. By using a composite electrode that includes a porous support made of ceramic or metal and a conductive polymer or a metal oxide formed on a surface of the porous support, a capacitor or secondary cell that provides increased charge/discharge capacity and increased energy/output density, as well as high-temperature stability and high reliability, can be manufactured.
    Type: Application
    Filed: October 29, 2009
    Publication date: October 28, 2010
    Inventors: Hee-Sung CHOI, Young-Kwan Lee
  • Patent number: 7738194
    Abstract: An optical component includes a lens holder including a first electrode, an insulating structure formed on the first electrode and having a through hole provided as an optical path, and at least one second electrode formed inside the insulating structure to encompass the through hole, and at least one microlens located in the through hole and formed of transparent resin.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: June 15, 2010
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee Sung Choi, Bae Kyun Kim, Mi Hee Park, Hee Jin Lee, Sung Soo Park, Dong Hyun Cho
  • Publication number: 20100115746
    Abstract: Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire of which one side is inserted into the capacitor element and the other side projects outward from the capacitor element; a cathode extraction layer formed on the capacitor element; a plurality of conductive bumps formed on the cathode extraction layer; an anode lead frame fixed to the side of the capacitor element, where the anode wire projects outward, and having an insertion portion into which the projecting end of the anode wire is inserted; a molding portion formed to surround the capacitor element and exposing the projecting end of the anode wire, the outer surface of the anode lead frame, and ends of the conductive bumps; an anode lead terminal provided on the molding portion so as to be electrically connected to the exposed end of the anode wire and the anode lead frame; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the exposed ends of the
    Type: Application
    Filed: January 19, 2010
    Publication date: May 13, 2010
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hee Sung CHOI, Seoung Jae Lee, Yeoung Jin Lee, Sung Han Won, Ha Yong Jung, Hyun Ho Shin, Jung Tae Park, Jae Youn Jeong
  • Patent number: 7656588
    Abstract: A liquid for a liquid lens includes an electrolyte solution and an insulating solution wherein the electrolyte solution contains H2O, 1,2-propanediol and LiCl, and the insulating solution is a silicon (Si) oil and optionally contains 1,6-dibromohexane or bromobenzene as an organic additive. A liquid lens module includes a transparent cover, a case for accommodating an electrolyte solution and an insulating solution, a pair of electrodes for supplying electricity to the electrolyte solution, and an insulating film for covering one of the electrodes in contact with the electrolyte solution wherein the electrolyte solution contains H2O, 1,2-propanediol and LiCl, and the insulating solution is a silicon (Si) oil.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: February 2, 2010
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Young Bae, Hee Sung Choi, Ha Yong Jung, Jong Yun Kim
  • Patent number: 7633740
    Abstract: Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire of which one end is inserted into the capacitor element and the other end projects outward from the capacitor element; a cathode extraction layer formed on the capacitor element; a plurality of conductive bumps formed on the cathode extraction layer; a molding portion formed to surround the capacitor element and exposing the projecting end of the anode wire and ends of the conductive bumps; an anode lead terminal provided on the molding portion so as to be electrically connected to the exposed end of the anode wire; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the exposed ends of the conductive bumps.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: December 15, 2009
    Assignee: Samsung Electro-Mechanics Co. Ltd.
    Inventors: Hee Sung Choi, Seoung Jae Lee, Yeoung Jin Lee, Sung Han Won, Ha Yong Jung, Hyun Ho Shin, Jung Tae Park, Jae Youn Jeong