Patents by Inventor Yoon-phil Eo
Yoon-phil Eo 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: 10122188Abstract: A battery pack includes a battery including at least one battery cell, a switching element including a charging switch and a discharging switch arranged on a high current path via which a charging current and a discharging current flow, a battery manager configured to monitor a voltage and a current of the battery, and to controlling charging and discharging of the battery based on the voltage of the battery, and a switch driver configured to output a second driving signal for driving the charging switch according to a control signal from the battery manager, wherein the battery manager is further configured to set a charging current limit based on a deterioration degree of the battery, and to control the charging switch by using the switch driver so that a magnitude of the charging current applied to the battery is equal to or less than the charging current limit.Type: GrantFiled: January 30, 2017Date of Patent: November 6, 2018Assignee: Samsung SDI Co. Ltd.Inventors: Yoon Phil Eo, Yong Heui Song
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Publication number: 20170250548Abstract: A battery pack includes a battery including at least one battery cell, a switching element including a charging switch and a discharging switch arranged on a high current path via which a charging current and a discharging current flow, a battery manager configured to monitor a voltage and a current of the battery, and to controlling charging and discharging of the battery based on the voltage of the battery, and a switch driver configured to output a second driving signal for driving the charging switch according to a control signal from the battery manager, wherein the battery manager is further configured to set a charging current limit based on a deterioration degree of the battery, and to control the charging switch by using the switch driver so that a magnitude of the charging current applied to the battery is equal to or less than the charging current limit.Type: ApplicationFiled: January 30, 2017Publication date: August 31, 2017Inventors: Yoon Phil Eo, Yong Heui Song
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Patent number: 9209645Abstract: There is provided a method and apparatus for controlling charging of a secondary battery. The apparatus includes a receiving unit, a sensing unit and a charging controller. The receiving unit receives a full-charge time of the secondary battery from a user terminal. The sensing unit monitors a charging state of the secondary battery. The charging controller controls charging of the secondary battery, using the full-charge time and the charging state. Accordingly, the charging of a secondary battery is controlled to be completed at a full-charge time desired by a user, thereby preventing deterioration of the secondary battery.Type: GrantFiled: March 14, 2013Date of Patent: December 8, 2015Assignee: Samsung SDI Co., Ltd.Inventors: Jae-Woo Kam, Yoon-Phil Eo
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Publication number: 20140132202Abstract: There is provided a method and apparatus for controlling charging of a secondary battery. The apparatus includes a receiving unit, a sensing unit and a charging controller. The receiving unit receives a full-charge time of the secondary battery from a user terminal. The sensing unit monitors a charging state of the secondary battery. The charging controller controls charging of the secondary battery, using the full-charge time and the charging state. Accordingly, the charging of a secondary battery is controlled to be completed at a full-charge time desired by a user, thereby preventing deterioration of the secondary battery.Type: ApplicationFiled: March 14, 2013Publication date: May 15, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Jae-Woo KAM, Yoon-Phil EO
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Publication number: 20140049210Abstract: A power supply control device includes a sensing unit that monitors state information of a secondary battery, and a control unit that controls charging/discharging of the secondary battery. In the power supply control device, the sensing unit transmits a warning signal to the control unit when the state information is greater than a predetermined acceptable value, and the control unit cuts off current applied from an external power source to the secondary battery and controls current to be applied from the secondary battery to an electronic device when the warning signal is received by the control unit.Type: ApplicationFiled: March 12, 2013Publication date: February 20, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Jae-Woo KAM, Yoon-Phil EO, In-Kyu PARK
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Patent number: 7136033Abstract: A method of driving a 3-electrode plasma display apparatus including a 3-electrode plasma display panel, a video processor, a controller, an address driver, an X-driver, a Y-driver, and a power recovery circuit is provided. In the 3-electrode plasma display panel, X-electrode lines and Y-electrode lines are alternately arranged in parallel on the rear surface of a front transparent substrate so as to form XY-electrode line pairs, and address electrode lines are arranged on the front surface of a rear transparent substrate to cross the XY-electrode line pairs. The intersections between the XY-electrode line pairs and the address electrode lines define display cells. The power recovery circuit is included in the address driver. The power recovery circuit collects charges unnecessarily remaining in the display cells at the end of application of the display data signals and applies the collected charges to the display cells at the start of application of the display data signals.Type: GrantFiled: July 7, 2003Date of Patent: November 14, 2006Assignee: Samsung SDI Co., Ltd.Inventors: Jin-Sung Kim, Yoon-Phil Eo
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Patent number: 7091934Abstract: A method and apparatus for controlling address power of a plasma display panel and a plasma display panel device having that apparatus, wherein the plasma display panel includes pluralities of address electrodes, scan electrodes, and sustain electrodes, the scan electrodes and sustain electrodes forming pairs and being alternately disposed. After determining an attenuation coefficient that corresponds to a sum of pixel differences between lines throughout an input video signal, output video data is modified by multiplying the attenuation coefficient to the input video data. According to such a power control of address data, power consumption is reduced since the number of times of switching address data is reduced.Type: GrantFiled: July 28, 2003Date of Patent: August 15, 2006Assignee: Samsung SDI Co., Ltd.Inventors: Woo-Jin Kim, Yoon-Phil Eo, Young-Chan Lee
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Patent number: 6788276Abstract: An apparatus for controlling the drive power of a plasma display panel in an driving apparatus of the plasma display panel. The apparatus preestimates a load ratio of an input video signal on a frame-by-frame basis, controls a number of display-discharge pulses in a corresponding frame to be inversely proportional to the preestimated load ratio, measures correlation of each frame with a preceding frame, controls the output timing of a discharge number controller according to the correlation and regulates a rate of change of the number of display-discharge pulses in a frame. The number of display discharge pulses in a frame is regulated to change more rapidly where the correlation is low and than where the correlation is high.Type: GrantFiled: February 8, 2001Date of Patent: September 7, 2004Assignee: Samsung SDI Co., Ltd.Inventor: Yoon-phil Eo
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Publication number: 20040021621Abstract: A method and apparatus for controlling address power of a plasma display panel and a plasma display panel device having that apparatus, wherein the plasma display panel includes pluralities of address electrodes, scan electrodes, and sustain electrodes, the scan electrodes and sustain electrodes forming pairs and being alternately disposed. After determining an attenuation coefficient that corresponds to a sum of pixel differences between lines throughout an input video signal, output video data is modified by multiplying the attenuation coefficient to the input video data. According to such a power control of address data, power consumption is reduced since the number of times of switching address data is reduced.Type: ApplicationFiled: July 28, 2003Publication date: February 5, 2004Inventors: Woo-Jin Kim, Yoon-Phil Eo, Young-Chan Lee
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Publication number: 20040008162Abstract: A method of driving a 3-electrode plasma display apparatus including a 3-electrode plasma display panel, a video processor, a controller, an address driver, an X-driver, a Y-driver, and a power recovery circuit is provided. In the 3-electrode plasma display panel, X-electrode lines and Y-electrode lines are alternately arranged in parallel on the rear surface of a front transparent substrate so as to form XY-electrode line pairs, and address electrode lines are arranged on the front surface of a rear transparent substrate to cross the XY-electrode line pairs. The intersections between the XY-electrode line pairs and the address electrode lines define display cells. The power recovery circuit is included in the address driver. The power recovery circuit collects charges unnecessarily remaining in the display cells at the end of application of the display data signals and applies the collected charges to the display cells at the start of application of the display data signals.Type: ApplicationFiled: July 7, 2003Publication date: January 15, 2004Inventors: Jin-Sung Kim, Yoon-Phil Eo
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Publication number: 20030063049Abstract: A plasma display panel (PDP) power consumption controlling method by varying a number of sustain pulses according to a load ratio (L/R) includes setting a safety operating area (SOA) on the number of sustain pulses according to the L/R, and controlling the power consumption within the SOA. The entire range of the number of sustain pulses has an upper and a lower boundary value, and a number of sustain pulses corresponding to the respective L/R sections is established. When the L/R is the previous number of sustain discharging pulses and it digresses from the SOA, the number of sustain discharging pulses is converged to the upper boundary value when the L/R has increased, and is converged to the lower boundary value when the L/R has decreased.Type: ApplicationFiled: September 19, 2002Publication date: April 3, 2003Inventors: Yoon-Phil Eo, Nam-Sung Jung, Geun-Yeong Chang, Cheol-Hong Kim, Se-Woong Kim
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Patent number: 6380691Abstract: A plasma display panel includes a front glass substrate, a rear glass substrate, address electrode lines, a first dielectric layer, scan electrode lines, a second dielectric layer, phosphor layers, Y-common electrode lines and X-common electrode lines. The front glass substrate and a rear glass substrate are opposite to and spaced apart from each other. The address electrode lines are formed on the front surface of the rear glass substrate in parallel. The first dielectric layer is formed in front of the address electrode lines. The scan electrode lines are arranged in front of the first dielectric layer to be perpendicular to the address electrode lines to define discharge cells at intersections. The second dielectric layer is formed in front of the scan electrode lines. The phosphor layers are formed in front of the second dielectric layer to be parallel with the address electrode lines.Type: GrantFiled: February 8, 2001Date of Patent: April 30, 2002Assignee: Samsung SDI Co., Ltd.Inventor: Yoon-phil Eo
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Patent number: 6373451Abstract: A method for driving an AC type surface discharge structure plasma display panel according to an electrode wiring structure is provided. In the method for driving the AC plasma display panel, there is a phase difference of no more than 180° between the sustaining pulse applied to the Y electrode and the sustaining pulse applied to the X electrode in the three-electrode structure AC type plasma display panel in order to secure time for sustaining uniform wall charge and space charge characteristics. An address time slot constituted of a plurality of data pulses is set in a temporal margin space secured by collecting a plurality of sustaining pulses into a group. The data of each address time slot is assigned to time slots of a plurality of sub fields and is addressed.Type: GrantFiled: February 25, 2000Date of Patent: April 16, 2002Assignee: Samsung SDI Co., Ltd.Inventors: Kyoung-ho Kang, Jeong-duk Ryeom, Yoon-phil Eo
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Patent number: 6353423Abstract: A driving method of a plasma display panel for gray-scale display using subfields, in each of which an address step, a sustaining discharge step, and a reset step are performed.Type: GrantFiled: January 3, 2000Date of Patent: March 5, 2002Assignee: Samsung SDI Co., Ltd.Inventors: Kyoung-ho Kang, Jeong-duk Ryeom, Yoon-phil Eo
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Patent number: 6317105Abstract: A resetting method for erasing wall charges remaining around a first display electrode and a second display electrode in a second sub-field following after applying a final sustain discharge voltage between the first display electrode and the second display electrode in a first sub-field on a plasma display panel, including the steps of applying a first voltage higher than and having the opposite polarity to the final sustain discharge voltage between the first display electrode and the second display electrode, to cause a first discharge and accumulation of wall charges, and gradually decreasing the level of the first voltage until the first display electrode and the second display electrode are made to be at the same potential, to cause a second discharge weaker than and longer than the first discharge by the accumulated wall charges, and erasing the wall charges.Type: GrantFiled: July 27, 1999Date of Patent: November 13, 2001Assignee: Samsung Display Devices, Ltd.Inventors: Yoon-phil Eo, Kyoung-ho Kang, Jeong-duk Ryeom
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Publication number: 20010026253Abstract: An apparatus for controlling the drive power of a plasma display panel in an driving apparatus of the plasma display panel. The apparatus preestimates a load ratio of an input video signal on a frame-by-frame basis, controls a number of display-discharge pulses in a corresponding frame to be inversely proportional to the preestimated load ratio, measures correlation of each frame with a preceding frame, controls the output timing of a discharge number controller according to the correlation and regulates a speed at which the number of display-discharge pulses is controlled.Type: ApplicationFiled: February 8, 2001Publication date: October 4, 2001Inventor: Yoon-phil Eo
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Publication number: 20010011874Abstract: A plasma display panel includes a front glass substrate, a rear glass substrate, address electrode lines, a first dielectric layer, scan electrode lines, a second dielectric layer, phosphor layers, Y-common electrode lines and X-common electrode lines. The front glass substrate and a rear glass substrate are opposite to and spaced apart from each other. The address electrode lines are formed on the front surface of the rear glass substrate in parallel. The first dielectric layer is formed in front of the address electrode lines. The scan electrode lines are arranged in front of the first dielectric layer to be perpendicular to the address electrode lines to define discharge cells at intersections. The second dielectric layer is formed in front of the scan electrode lines. The phosphor layers are formed in front of the second dielectric layer to be parallel with the address electrode lines.Type: ApplicationFiled: February 8, 2001Publication date: August 9, 2001Inventor: Yoon-phil Eo
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Patent number: 6256001Abstract: A driving method of a surface discharge plasma display panel includes a resetting step, an addressing step and a sustained discharging step. In the resetting step, a first voltage is applied between the scan electrodes and the address electrodes to accumulate wall charges in the respective pixel by a facing discharge, and the wall-charges accumulated by the facing discharge are removed. In the addressing step, a second voltage is applied between a corresponding scan electrodes and selected address electrodes so that a facing discharge occurs, to form wall-charges in the selected pixels. In the sustained discharging step, a third alternating-current voltage is applied between the scan electrodes and the common electrodes so that a surface discharge occurs in the selected pixels.Type: GrantFiled: December 22, 1998Date of Patent: July 3, 2001Assignee: Samsung Display Devices Co., LTDInventors: Sang-cheol Kim, Kwang-hoon Jeon, Yoon-phil Eo
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Patent number: 6208081Abstract: An apparatus for driving a plasma display panel in which front and rear substrates face and are spaced apart from each other, common electrode lines, scan electrode lines and address electrode lines are arranged between the front and rear substrates, the common electrode lines are arranged parallel to the scan electrode lines and the address electrode lines are arranged orthogonal to the scan electrode lines to define pixels at intersections thereof, the apparatus including a scan drive part having a memory in which scan data are stored in a predetermined scanning order, for applying a scan drive signal to the scan electrode lines in accordance with scan data corresponding to an input address, an address drive part for applying an address drive signal to the corresponding address electrode lines in accordance with an input display data signal, a common drive part for applying a common drive signal to the common electrode lines in accordance with an input common data signal, and a control part for processing eType: GrantFiled: August 27, 1999Date of Patent: March 27, 2001Assignee: Samsung Display Devices Co., Ltd.Inventors: Yoon-phil Eo, Jeong-duk Ryeom
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Patent number: RE41166Abstract: A driving method of a surface discharge plasma display panel includes a resetting step, an addressing step and a sustained discharging step. In the resetting step, a first voltage is applied between the scan electrodes and the address electrodes to accumulate wall charges in the respective pixel by a facing discharge, and the wall-charges accumulated by the facing discharge are removed. In the addressing step, a second voltage is applied between a corresponding scan electrodes and selected address electrodes so that a facing discharge occurs, to form wall-charges in the selected pixels. In the sustained discharging step, a third alternating-current voltage is applied between the scan electrodes and the common electrodes so that a surface discharge occurs in the selected pixels.Type: GrantFiled: April 17, 1998Date of Patent: March 23, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Cheol Kim, Kwang-Hoon Jeon, Yoon-Phil Eo