Patents by Inventor Kyungwon An
Kyungwon An 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).
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Publication number: 20100209764Abstract: A method of manufacturing a secondary battery, including: loading a core pack in a cavity of a mold; loading the mold on a mold receiving portion of an injection molding apparatus; and filling a molten resin in a chamber of the mold.Type: ApplicationFiled: January 25, 2010Publication date: August 19, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Sangdo Heo, Youngu Kim, Kyungwon Seo, Kisung Hong
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Publication number: 20100159287Abstract: Disclosed is a secondary battery that enhances the coupling strength between a protection circuit module and a bare cell. The secondary battery includes: a bare cell; and a protection circuit module including a circuit board and at least one coupling member coupling the circuit board to the bare cell by welding, the coupling member including a first coupling portion having a substantially plate-like shape coupled to the bare cell by welding and at least a through-hole formed inside the edge of the first coupling portion.Type: ApplicationFiled: December 15, 2009Publication date: June 24, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Nohyun Kwag, Youngcheol Jang, Kyungwon Seo
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Publication number: 20100151281Abstract: A battery pack includes a bare cell including a cap plate and an electrode terminal insulated from the cap plate and a circuit module including a circuit board having a first short side, a second short side generally opposite the first short side, a first long side and a second long side generally opposite the first long side. The circuit board includes a base lead plate attached to the circuit board and a base fixing protrusion extending from the base lead plate, wherein the circuit module is on and electrically connected to the bare cell. The battery pack also includes an upper cover covering the circuit module, the upper cover including a base fixing groove adapted to receive the base fixing protrusion, wherein base fixing protrusion is in the base fixing groove.Type: ApplicationFiled: December 3, 2009Publication date: June 17, 2010Inventors: Nohyun Kwag, Youngcheol Jang, Kyungwon Seo, Jaeyoung Ha
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Patent number: 7733055Abstract: A battery pack, including a bare cell, a protection circuit board electrically connected to the bare cell, the protection circuit board including a checking unit to check whether the protection circuit board is operational, an upper case disposed on an upper side of the bare cell, the upper case having a checking hole defined therein to check the protection circuit board, the checking hole being formed to be opened to the checking unit, and a water penetration sensor, combined with an exterior of the checking hole, to cover the checking hole.Type: GrantFiled: December 14, 2006Date of Patent: June 8, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Kyungwon Seo
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Publication number: 20100136423Abstract: A secondary battery has a bare cell including a can, an electrode assembly in the can and a cap assembly sealing the can. A protective circuit module is on the bare cell, the protective circuit module including a metal protective circuit board.Type: ApplicationFiled: December 1, 2009Publication date: June 3, 2010Inventors: Kyungwon Seo, Youngcheol Jang
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Publication number: 20100136374Abstract: A protective circuit module and a secondary battery including the same. The secondary battery includes: an electrode assembly, a can to house the electrode assembly, and a cap assembly to seal an opening of the can. The protective circuit module includes: a first module electrically connected to the cap assembly; a second module electrically connected to a closed end of the can; and a third module electrically connecting the first module and the second module. The first module includes a mounting portion that is disposed in a groove between the can and the cap assembly.Type: ApplicationFiled: December 2, 2009Publication date: June 3, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Youngcheol Jang, Eunok Kwak, Kyungwon Seo
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Publication number: 20100136419Abstract: Disclosed is a battery pack that can improve bonding strength between a bare cell and a case by combining a beading part of a bare cell with a projection on an inner surface of a case. The battery pack comprises a bare cell and an upper case. The bare cell includes an electrode assembly, a can receiving the electrode assembly, and a cap assembly covering an upper part of the can. The can includes a beading part inwardly pressed from an outer surface of the can. The beading part is at a higher position than an upper part of the electrode assembly. The upper case covers the beading part and upper part of the can, and includes a projection formed on an inner surface of the upper case. The projection is combined with the beading part of the can.Type: ApplicationFiled: December 2, 2009Publication date: June 3, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Eunok Kwak, Youngcheol Jang, Kyungwon Seo
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Publication number: 20100092860Abstract: A rechargeable battery constructed with a bare cell, a protective circuit board electrically connected to the bare cell, a lead plate operationally connecting the bare cell and the protective circuit board, and a combining case covering an upper end of the bare cell, the protective circuit board and the lead plate. The lead plate is constructed with a first plate electrically connected to an outside surface of the protective circuit board, a second plate electrically connected to the bare cell, and an inside bending part connected between the first plate and the second plate. The first plate of the lead plate is bent around the inside bending part at 180 degrees such that the bare cell is coupled with the protective circuit board in parallel. Therefore, the distance between the bare cell and the protective circuit is reduced, and the capacity per volume of the rechargeable battery is increased.Type: ApplicationFiled: October 9, 2009Publication date: April 15, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Kyungwon Seo, Jeongdeok Byun, Yonggeol Kwon, Seok Koh
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Publication number: 20100075205Abstract: A secondary battery capable of being formed to be relatively small by reducing the sizes of internal devices and compactly locating the internal devices. Accordingly, the volume of the secondary battery is reduced and the capacity thereof is maintained, thereby increasing the capacity density of the secondary battery. In one embodiment, the secondary battery includes a bare cell having a cap plate and a protection circuit module on the bare cell and including a printed circuit board surface-contacting the cap plate.Type: ApplicationFiled: March 4, 2009Publication date: March 25, 2010Inventors: Nohyun Kwag, Youngcheol Jang, Kyungwon Seo, Jaeyoung Ha
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Publication number: 20100053835Abstract: A protection circuit board, a secondary battery with the protection circuit board, and a battery pack comprising the secondary battery. A PTC device which is a secondary protection device is provided on the protection circuit board, and is installed in electrical connection with an electrode terminal of a bare cell of the secondary battery. According to a structural configuration where the PTC device is electrically connected to the bare cell while being installed on the protection circuit board, the PTC device sensitively responds to temperature changes of the bare cell to thereby cut off a flow of electric current. Due to such a structural configuration of the PTC device, formation of an electrode lead is excluded for electrical connection with the bare cell on the protection circuit board. Consequently, a pattern-forming area which is designed on the protection circuit board increases.Type: ApplicationFiled: August 12, 2009Publication date: March 4, 2010Applicant: Samsung SDI Co., Ltd.Inventors: Nohyun Kwag, Kyungwon Seo, Seok Koh, Youngcheol Jang, Eunok Kwak
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Patent number: 7656667Abstract: A plasma display device that includes a plasma display panel adapted to display images on a front side thereof, a chassis base including conductive material and arranged behind the plasma display panel, a plurality of circuit boards adapted to drive the plasma display panel, the plurality of circuit boards being fixed on the chassis base with a gap between each of the plurality of circuit boards and the chassis base and a driving circuit portion including a plurality of cables and adapted to electrically connect the circuit boards, wherein the chassis base includes at least one holding unit that is adapted to hold the plurality of cables on one side of the chassis base. The holding unit being adapted to attenuate EMI before it reaches the cables within.Type: GrantFiled: December 12, 2007Date of Patent: February 2, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Jihoon Kim, Byoungjo Chang, Kyungwon Kang
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Publication number: 20090186261Abstract: A rechargeable battery. The rechargeable battery is constructed with a bare cell, a protective circuit board electrically connected to the bare cell, a lead plate located between the bare cell and the protective circuit board, and a combining case covering an upper end of the bare cell, the protective circuit board and the lead plate. The lead plate is constructed with a first plate electrically connected to the protective circuit board, a second plate electrically connected to the bare cell, and an inside bending part connected between the first plate and the second plate. The first plate of the lead plate is bent around the inside bending part at 180 degrees such that the bare cell is coupled with the protective circuit board in parallel. Therefore, a distance between the bare cell and the protective circuit is reduced, and the capacity per volume of the rechargeable battery is increased.Type: ApplicationFiled: March 23, 2009Publication date: July 23, 2009Inventors: Kyungwon Seo, Jeongdeok Byun, Yonggeol Kwon, Seok Koh
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Publication number: 20090130554Abstract: A secondary battery includes grooves formed in a cap plate into which conducting support members are disposed allowing for the exact connection of a protection circuit board to a predetermined position of the battery. The secondary battery includes: an electrode assembly; a can to house the electrode assembly; a cap assembly; a protection circuit board electrically coupled to an electrode terminal of the cap assembly; and a conducting support member connected to a groove formed in the cap plate and soldered to the protection circuit board. The protection circuit board is electrically and mechanically connected to the groove formed in the cap plate, thereby allowing the protection circuit board to be exactly connected to a predetermined position of the cap plate.Type: ApplicationFiled: October 20, 2008Publication date: May 21, 2009Applicant: Samsung SDI Co., Ltd.Inventors: Youngcheol JANG, Kyungwon Seo, Jeongdeok Byun, Eunok Kwak
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Publication number: 20090122455Abstract: A Positive Temperature Coefficient (PTC) device, a Protective Circuit Module (PCM) including the PTC device, and a secondary battery including the Protective Circuit Module (PCM) are provided. A support portion is formed at one end of a conductive plate of the PTC device, a conductive layer disposed on the upper portion of the PTC main body is fixed to the Protective Circuit Module (PCM), and the support portion is fixed by a coated adhesive that is melted at a high temperature and then hardens when the high temperature is removed, thereby preventing the PTC device from swaying or twisting.Type: ApplicationFiled: June 25, 2008Publication date: May 14, 2009Applicant: Samsung SDI Co., Ltd.Inventors: Youngcheol Jang, Kyungwon Seo, Jeongdeok Byun
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Publication number: 20090111018Abstract: A battery pack to improve assembling reliability in a battery with a cover frame. The battery pack according to the present invention includes a rechargeable battery having at least one rounded lateral side; a cover frame including a frame surrounding each of lateral sides of the rechargeable battery, wherein more than at least one groove is formed at both ends of the frame covering the rounded lateral side of the rechargeable battery. Therefore, it is possible to couple the cover frame to the rechargeable battery via the groove without deforming the cover frame. Also, the rounded battery and the rounded cover frame closing each other is an effect that assembly error of a battery to cover frame can be reduced.Type: ApplicationFiled: July 31, 2008Publication date: April 30, 2009Applicant: Samsung SDI Co., Ltd.Inventors: Kyungho Park, Seok Koh, Kyungwon Seo
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Publication number: 20090111004Abstract: A rechargeable battery includes: a bare cell; a protection circuit board installed on an upper surface of the bare cell; and a lead plate to connect the protection circuit board with the bare cell, wherein the lead plate includes a substrate fixing part fixed to the protection circuit board, a bare cell fixing part fixed to the bare cell, and a connection part to connect the substrate fixing part with the bare cell fixing part, the lead plate being installed such that the connection part is disposed between the protection circuit board and the upper surface of the bare cell. A welding strength is improved when the lead plate connecting the bare cell with the protection circuit board is installed, thereby prominently reducing defects in manufacturing packs and modules.Type: ApplicationFiled: June 5, 2008Publication date: April 30, 2009Applicant: Samsung SDI Co., Ltd.Inventors: Youngcheol JANG, Kyungwon Seo, Jeongdeok Byun, Eunok Kwak
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Patent number: 7521150Abstract: A secondary battery includes a bare cell having a terminal side from which an electrode terminal protrudes, an opposing side opposite the terminal side, and a longitudinal side. A circuit module is on the longitudinal side and a resin molding covers the circuit module. A lead electrode electrically connects the electrode terminal and the circuit module. A side covering is attached to at least one of the terminal side and the opposing side, the side covering including a base and a skirt defining a resin cavity adapted to receive hot melt resin.Type: GrantFiled: August 30, 2007Date of Patent: April 21, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Kyungwon Seo, Yonggeol Kwon, Sangjoo Lee
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Publication number: 20090092891Abstract: A side case coupled to a secondary battery in a sliding manner to cover sides of the secondary battery. The secondary battery includes: a rectangular prism battery body; a guide member arranged in a lengthwise direction of one of the pair of the sides of the battery body; a first side case that includes a horizontal portion that is coupled to the guide member to cover one of the horizontal sides of the battery body and a vertical portion that is connected to one end of the horizontal portion to cover at least a portion of an adjacent side of the battery body; and a second side case that is coupled to the battery body, and includes vertical and horizontal portions that are generally symmetric to the vertical portion and the horizontal portion of the first side case and a plurality of terminal holes formed in the horizontal portion.Type: ApplicationFiled: September 26, 2008Publication date: April 9, 2009Applicant: Samsung SDI Co., Ltd.Inventors: Nohyun Kwag, Kyungwon Seo, Youngcheol Jang
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Publication number: 20090087692Abstract: A secondary battery having a hard case that is integrally formed to be able to reduce the number of parts and the fabrication process. The secondary battery includes at least one bare cell, a circuit part electrically coupled to the at least one bare cell and a case covering the circuit part coupled to the at least one bare cell, wherein the case includes a main case arranged on a first surface of the at least one bare cell and at least one sub case arranged on at least one different surface of the at least one bare cell that is adjacent to the first surface of the at least one bare cell, each of the at least one sub case being integral to the main case.Type: ApplicationFiled: September 29, 2008Publication date: April 2, 2009Inventors: Kyungho Park, Seok Koh, Eunok Kwak, Kyungwon Seo, Jeongdeok Byun
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Publication number: 20090081539Abstract: A battery pack increases coupled strength of a protection circuit module and an outer case, and realize a compact battery pack by physically coupling the protection circuit module coupled to a bare cell and the integral outer case by an adherent member. The battery pack includes a bare cell; a circuit module arranged on an upper surface of the bare cell and electrically coupled to the bare cell; an outer case integrally formed so as to cover a pair of short side surfaces and the upper surface of the bare cell including the circuit module, and coupled to the circuit module; and a label attached to the pair of the short side surfaces, a pair of long side surfaces and a lower surface of the bare cell. At least one protrusion part may be integrally formed an outer side surface of said circuit module. At least one tapered part may be integrally formed with said outer case.Type: ApplicationFiled: July 17, 2008Publication date: March 26, 2009Inventors: Seok Koh, Kyungwon Seo, Jeongdeok Byun, Kyungho Park, Eunok Kwak