Patents by Inventor Heui Sang Yoon
Heui Sang 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).
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Patent number: 9748536Abstract: A battery pack includes one or more bare battery cells, a frame case, and a top case. Each of the bare battery cells has first and second electrode tabs. The frame case surrounds an outer surface of the one or more bare cells. The top case is coupled to the frame case at one end of the one or more bare cells. In the battery pack, the frame case includes a warp preventing portion parallel to the top case.Type: GrantFiled: August 4, 2014Date of Patent: August 29, 2017Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Joo Lee, Heui-Sang Yoon
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Patent number: 9431636Abstract: A battery includes a pouch type case formed of a flexible material and the case has a bottom with a recess portion and a protrusion portion, an electrode assembly within the case, and a support member coupled to the recess portion and to the protrusion portion at the bottom of the case. The support member fixes shapes of the recess portion and the protrusion portion, and the support member is coupled to an outside of the case at the bottom of the case.Type: GrantFiled: November 7, 2012Date of Patent: August 30, 2016Assignee: SAMSUNG SDI CO., LTD.Inventors: Sang-Joo Lee, Heui-Sang Yoon
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Patent number: 9391464Abstract: An external battery is disclosed. In one aspect, the external battery includes a battery and an input stage configured to receive external power and output a control signal. The external battery also includes a charger configured to convert the external power into a plurality of charge currents based at least in part on the resistance of at least one resistor detected at a control terminal of the charger, wherein the control terminal is electrically connected to the resistor, wherein the charge currents have different amplitudes, wherein the charger is further configured to provide the converted charge currents to the battery. The external battery further includes a controller configured to control the magnitude of the resistance of the resistor based at least in part on i) the control signal and ii) at least one switch.Type: GrantFiled: February 27, 2014Date of Patent: July 12, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Ji-Yeon Choi, Heui-Sang Yoon, Hyung-Sin Kim
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Patent number: 9385544Abstract: An external battery includes an input end, an output end, a bare cell between the input end and the output end, a charging unit configured to deliver power from a charger to the bare cell via the input end, a first switch between the charging unit and the input end, a DC-DC converter configured to convert an output voltage from the bare cell into a converted voltage of a magnitude that is different from that of the output voltage, and configured to deliver the converted voltage to the output end, a second switch between the bare cell and the DC-DC converter, and a main controller unit (MCU) configured to sense at least one of overcharging, over-discharging, or an over-discharge current of the bare cell using the output voltage or an output current from the bare cell, and configured to control the first switch and the second switch.Type: GrantFiled: April 17, 2014Date of Patent: July 5, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Seok-Bong Lee, Heui-Sang Yoon, Hyung-Sin Kim
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Patent number: 9379362Abstract: A battery includes a pouch type case formed of a flexible material and the case has a bottom with a recess portion and a protrusion portion, an electrode assembly within the case, and a support member coupled to the recess portion and to the protrusion portion at the bottom of the case. The support member fixes shapes of the recess portion and the protrusion portion, and the support member is coupled to an outside of the case at the bottom of the case.Type: GrantFiled: November 7, 2012Date of Patent: June 28, 2016Assignee: SAMSUNG SDI CO., LTD.Inventors: Sang-Joo Lee, Heui-Sang Yoon
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Patent number: 9209492Abstract: A battery pack includes a bare cell that includes an electrode assembly, a case for accommodating the electrode assembly, and a cap plate arranged at one side of the case, a protection circuit board assembly for controlling charge/discharge of the bare cell, a battery protection device electrically connected to the protection circuit board assembly, and a first adhesive member. At least a part of the first adhesive member is disposed on the case. The first adhesive member crosses the battery protection device in a lengthwise direction of the battery protection device.Type: GrantFiled: November 2, 2011Date of Patent: December 8, 2015Assignee: SAMSUNG SDI CO., LTD.Inventors: Woon-Seong Baek, Dae-Geun Kim, Heui-Sang Yoon, Sang-Joo Lee
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Patent number: 9099695Abstract: The battery pack comprises: a bare cell including a can, wherein the can includes an opening on one side, and a cap plate sealing the opening of the can, wherein the cap plate has at least one groove formed on one surface; a circuit board including at least one lead tab. wherein the lead tab is coupled to the cap plate by a fixing body; and a coupling member coupled with the fixing body in the groove. The coupling member and the bare cell are made of different materials. Therefore, in the battery pack, the internal resistance between the bare cell and the protective circuit board does not increase, or the cover case is not separated when an external shock is applied.Type: GrantFiled: August 11, 2010Date of Patent: August 4, 2015Assignee: Samsung SDI Co., Ltd.Inventors: Woon-Seong Baek, Won-Ho Kim, Heui-Sang Yoon
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Patent number: 8986875Abstract: Provided is a battery pack formed by coupling a cover case and a bare cell. The battery pack includes: a bare cell including a cap plate having a surface in which at least one screw receiving groove is formed; a cover case disposed at a side of the cap plate, and having a surface in which at least one mounting groove is formed and a hole penetrating a center of the mounting groove; and at least one tapping screw including a head part and a body part that are mounted in the mounting groove of the cover case, wherein the body part penetrates the hole and is coupled to the screw receiving groove of the cap plate; wherein the cap plate includes a protruding unit formed in the second surface of the cap plate in correspondence to the screw receiving groove of the cap plate.Type: GrantFiled: September 14, 2010Date of Patent: March 24, 2015Assignee: Samsung SDI Co., Ltd.Inventors: Woon-Seong Baek, Sang-Joo Lee, Heui-Sang Yoon, Jong-Pil Kim
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Publication number: 20150037661Abstract: A battery pack includes one or more bare battery cells, a frame case, and a top case. Each of the bare battery cells has first and second electrode tabs. The frame case surrounds an outer surface of the one or more bare cells. The top case is coupled to the frame case at one end of the one or more bare cells. In the battery pack, the frame case includes a warp preventing portion parallel to the top case.Type: ApplicationFiled: August 4, 2014Publication date: February 5, 2015Inventors: Sang-Joo Lee, Heui-Sang Yoon
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Patent number: 8895183Abstract: An external terminal assembly for establishing a connection between a battery pack and an electrical connector of an external device and a battery pack including the same, the external terminal assembly including an external terminal, the external terminal being electrically connectable to the electrical connector of the external device; a terminal holder on a protection circuit substrate, the terminal holder fixing a position of the external terminal; and a top case covering the protection circuit substrate and the terminal holder, the top case including holes exposing the external terminal.Type: GrantFiled: March 24, 2011Date of Patent: November 25, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Joo Lee, Heui-Sang Yoon, Woo-Choul Kim
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Publication number: 20140333251Abstract: An external battery includes an input end, an output end, a bare cell between the input end and the output end, a charging unit configured to deliver power from a charger to the bare cell via the input end, a first switch between the charging unit and the input end, a DC-DC converter configured to convert an output voltage from the bare cell into a converted voltage of a magnitude that is different from that of the output voltage, and configured to deliver the converted voltage to the output end, a second switch between the bare cell and the DC-DC converter, and a main controller unit (MCU) configured to sense at least one of overcharging, over-discharging, or an over-discharge current of the bare cell using the output voltage or an output current from the bare cell, and configured to control the first switch and the second switch.Type: ApplicationFiled: April 17, 2014Publication date: November 13, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Seok-Bong Lee, Heui-Sang Yoon, Hyung-Sin Kim
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Publication number: 20140312830Abstract: An external battery is disclosed. In one aspect, the external battery includes a battery and an input stage configured to receive external power and output a control signal. The external battery also includes a charger configured to convert the external power into a plurality of charge currents based at least in part on the resistance of at least one resistor detected at a control terminal of the charger, wherein the control terminal is electrically connected to the resistor, wherein the charge currents have different amplitudes, wherein the charger is further configured to provide the converted charge currents to the battery. The external battery further includes a controller configured to control the magnitude of the resistance of the resistor based at least in part on i) the control signal and ii) at least one switch.Type: ApplicationFiled: February 27, 2014Publication date: October 23, 2014Applicant: Samsung SDI Co., Ltd.Inventors: Ji-Yeon Choi, Heui-Sang Yoon, Hyung-Sin Kim
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Patent number: 8642192Abstract: A secondary battery includes a bare cell comprising an electrode assembly; a protection circuit module electrically coupled to the bare cell; an upper case including a first case and a second case opposite to the first case joined together, the upper case generally encompassing the protection circuit module; and at least one support rib on at least one of the first case and the second case supporting the protection circuit module.Type: GrantFiled: March 2, 2011Date of Patent: February 4, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Joo Lee, Heui-Sang Yoon, Woon-Seong Baek
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Publication number: 20130344380Abstract: A battery includes a pouch type case formed of a flexible material and the case has a bottom with a recess portion and a protrusion portion, an electrode assembly within the case, and a support member coupled to the recess portion and to the protrusion portion at the bottom of the case. The support member fixes shapes of the recess portion and the protrusion portion, and the support member is coupled to an outside of the case at the bottom of the case.Type: ApplicationFiled: November 7, 2012Publication date: December 26, 2013Inventors: Sang-Joo LEE, Heui-Sang YOON
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Publication number: 20130171476Abstract: Mechanical connections between a fixing member, a bare secondary battery cell and a protection circuit module by pressurizing a bare cell by a fastening member are disclosed. The secondary battery is capable of stably fixing an upper case and the bare cell. The secondary battery may include a bare cell including an electrode assembly in the inside thereof and formed with a fixing groove in both sides of a top surface; a protection circuit module electrically connected to the bare cell; and an upper case surrounding the protection circuit module and formed with the fastening hole in the position corresponding to the fixing groove. A bottom surface of the upper case not formed with the fastening hole may be formed with an adhering portion contacting the top surface of the bare cell and a space portion not contacting the top surface of the bare cell.Type: ApplicationFiled: September 14, 2012Publication date: July 4, 2013Applicant: Samsung SDI Co., Ltd.Inventors: Woon-Seong Baek, Sang-Joo Lee, Heui-Sang Yoon
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Patent number: 8399111Abstract: A battery pack includes a bare cell having a pair of first side portions, a pair of second side portions, and a pair of plane portions, each of which are opposite to each other. The second side portions and the plane portions are connected to ends of the first side portions. A protection circuit module is electrically connected to the bare cell. An inner frame exposes one side portion of the pair of first side portions and accommodates the bare cell. An outer frame exposes the pair of plane portions and accommodates the bare cell, the protection circuit module and the inner frame. In the battery pack, outer ribs extending away from the bare cell are further formed at the inner frame that comes in contact with the pair of second side portions of the bare cell so that the outer frame is surrounded by the outer ribs.Type: GrantFiled: October 22, 2010Date of Patent: March 19, 2013Assignee: Samsung SDI Co., Ltd.Inventors: Woon-Seong Baek, Heui-Sang Yoon, Jong-Wook Yoon
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Patent number: 8389152Abstract: A polymer battery pack includes a core pack having a protective circuit module attached to a bare cell, a case having the core pack coupled thereto, the protective circuit module having a portion exposed to an exterior of the case, and a resin enclosing at least a portion of the protective circuit module that is exposed to the exterior of the case. A method of manufacturing a polymer battery pack includes forming a bare cell, forming a core pack having a protective circuit module, coupling the core pack to an interior of the case such that the protective circuit module is exposed to an exterior of the case, and molding the protective circuit module with a resin such that a terminal on the protective circuit module is exposed to an exterior of the resin.Type: GrantFiled: September 24, 2011Date of Patent: March 5, 2013Assignee: Samsung SDI Co., Ltd.Inventors: Hyung Bok Lee, Heui Sang Yoon
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Patent number: 8227108Abstract: A polymer battery pack includes a core pack having a protective circuit module attached to a bare cell, a case having the core pack coupled thereto, the protective circuit module having a portion exposed to an exterior of the case, and a resin enclosing at least a portion of the protective circuit module that is exposed to the exterior of the case. A method of manufacturing a polymer battery pack includes forming a bare cell, forming a core pack having a protective circuit module, coupling the core pack to an interior of the case such that the protective circuit module is exposed to an exterior of the case, and molding the protective circuit module with a resin such that a terminal on the protective circuit module is exposed to an exterior of the resin.Type: GrantFiled: March 13, 2006Date of Patent: July 24, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Hyung Bok Lee, Heui Sang Yoon
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Publication number: 20120129014Abstract: A battery pack includes a bare cell that includes an electrode assembly, a case for accommodating the electrode assembly, and a cap plate arranged at one side of the case, a protection circuit board assembly for controlling charge/discharge of the bare cell, a battery protection device electrically connected to the protection circuit board assembly, and a first adhesive member. At least a part of the first adhesive member is disposed on the case. The first adhesive member crosses the battery protection device in a lengthwise direction of the battery protection device.Type: ApplicationFiled: November 2, 2011Publication date: May 24, 2012Inventors: Woon-Seong BAEK, Dae-Geun Kim, Heui-Sang Yoon, Sang-Joo Lee
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Publication number: 20120034494Abstract: An external terminal assembly for establishing a connection between a battery pack and an electrical connector of an external device and a battery pack including the same, the external terminal assembly including an external terminal, the external terminal being electrically connectable to the electrical connector of the external device; a terminal holder on a protection circuit substrate, the terminal holder fixing a position of the external terminal; and a top case covering the protection circuit substrate and the terminal holder, the top case including holes exposing the external terminal.Type: ApplicationFiled: March 24, 2011Publication date: February 9, 2012Inventors: Sang-Joo Lee, Heui-Sang Yoon, Woo-Choul Kim