Patents by Inventor Gil-yong Chang
Gil-yong Chang 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: 10476222Abstract: Disclosed is a plug-integrated adaptor that improves usability of a power strip by reducing interference with adjacent plugs when the adaptor is used in the power strip. A plug-integrated adaptor includes a case body having an open side and a printed circuit board therein, a case base provided to cover the open side of the case body and including a first side extending in a first direction and a second side having a length shorter than a length of the first side, a plug having a pair of pins arranged in a second direction and a plug case protruding from the case base and extending in the second direction, and a connecting member coupled to the pin of the plug and connecting the plug to the printed circuit board. The plug case extending in the second direction is inclined at an angle with a range of 0 to 45 degrees with respect to the case base extending in the first direction.Type: GrantFiled: January 10, 2017Date of Patent: November 12, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae-Jun You, Young Soo Kim, Gil Yong Chang
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Patent number: 10219382Abstract: According to an embodiment of the present disclosure, since the electronic components are fixed on the PCB by the clamp, post processing, such as soldering or application of an adhesive, may be not needed. Also, since the PCB can be spaced from the adjacent configurations by the clamp, the efficient layout of the PCB is possible, resulting in an improvement of productivity of the PCB. In accordance with an aspect of the present disclosure, there is provided a clamp comprises a fixing part configured to surround at least one part of the outer surface of an electronic component, a connection part extending from the fixing part, and penetrating a Printed Circuit Board (PCB), an interference part provided in at least one of the fixing part or the connection part, and configured to be interfered by the PCB and a spacing part protruding from at least one of the connection part or the fixing part.Type: GrantFiled: April 7, 2015Date of Patent: February 26, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Yong Joo, Jin Hyung Lee, Gil Yong Chang
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Publication number: 20180375274Abstract: Disclosed is a plug-integrated adaptor that improves usability of a power strip by reducing interference with adjacent plugs when the adaptor is used in the power strip. A plug-integrated adaptor includes a case body having an open side and a printed circuit board therein, a case base provided to cover the open side of the case body and including a first side extending in a first direction and a second side having a length shorter than a length of the first side, a plug having a pair of pins arranged in a second direction and a plug case protruding from the case base and extending in the second direction, and a connecting member coupled to the pin of the plug and connecting the plug to the printed circuit board. The plug case extending in the second direction is inclined at an angle with a range of 0 to 45 degrees with respect to the case base extending in the first direction.Type: ApplicationFiled: January 10, 2017Publication date: December 27, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae-Jun YOU, Young Soo KIM, Gil Yong CHANG
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Patent number: 9791916Abstract: A control circuit is provided. The control circuit includes a load switch, and a controller configured to transfer a turn-on signal which is increased step by step to the load switch, and perform a soft start operation which turns on the load switch. In response to the load switch being turned on, the control circuit restricts an inrush current flowing in the load switch.Type: GrantFiled: October 10, 2014Date of Patent: October 17, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-hyung Lee, Gil-yong Chang
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Patent number: 9720638Abstract: Provided are a display system including a plurality of display apparatuses and a control method of the same. The display system including a plurality of display apparatuses comprises a first display apparatus configured to display an image to constitute a multi-screen, and receive power from a single power source; and a second display apparatus configured to display an image to constitute the multi-screen, and receive power from the single power source, wherein the second display apparatus starts operation after the first display apparatus enters a normal driving state.Type: GrantFiled: August 5, 2015Date of Patent: August 1, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-yong Joo, Jin-hyung Lee, Gil-yong Chang
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Patent number: 9711435Abstract: A semiconductor device is provided. The semiconductor device may include a frame portion on which at least one semiconductor chip is arranged; a plurality of leads electrically connected to the semiconductor chip; and a mold portion formed on the frame portion to surround a part of the frame portion on which the semiconductor chip and the plurality of leads are arranged, wherein a gap between closest portions of the respective leads is at least 2.9 mm.Type: GrantFiled: July 31, 2014Date of Patent: July 18, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youn-seung Lee, Jin-hyung Lee, Gil-yong Chang
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Patent number: 9674905Abstract: A display apparatus including: a display; a driver including an amplifier configured to detect a current of the display and to generate a constant current control signal, and a transistor configured to adjust the current supplied to the display in accordance an output voltage of the amplifier; and a controller configured to monitor the current of the display and a dropout voltage of the transistor, and control the amplifier so that a pulse width modulation (PWM) duty ratio is decreased in response to the dropout voltage being equal to or higher than a reference voltage.Type: GrantFiled: July 8, 2014Date of Patent: June 6, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-hyung Lee, Youn-seung Lee, Gil-yong Chang
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Publication number: 20170042032Abstract: According to an embodiment of the present disclosure, since the electronic components are fixed on the PCB by the clamp, post processing, such as soldering or application of an adhesive, may be not needed. Also, since the PCB can be spaced from the adjacent configurations by the clamp, the efficient layout of the PCB is possible, resulting in an improvement of productivity of the PCB. In accordance with an aspect of the present disclosure, there is provided a clamp comprises a fixing part configured to surround at least one part of the outer surface of an electronic component, a connection part extending from the fixing part, and penetrating a Printed Circuit Board (PCB), an interference part provided in at least one of the fixing part or the connection part, and configured to be interfered by the PCB and a spacing part protruding from at least one of the connection part or the fixing part.Type: ApplicationFiled: April 7, 2015Publication date: February 9, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Yong Joo, Jin Hyung Lee, Gil Yong Chang
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Patent number: 9559599Abstract: An electronic apparatus includes a system portion configured to operate with a received voltage, and a power supply including a pulse width modulation (PWM) generator to generate a PWM signal, a converter to transfer voltage from a primary side to a secondary side in accordance with an output voltage of the PWM generator, and an output portion to supply voltage at the secondary side as standby voltage to the system portion, the PWM generator receives feedback on the standby voltage at the secondary side of the converter, the PWM signal is turned on/off in accordance with levels of the standby voltage at the secondary side, and voltage being supplied to components, except, when the PWM signal is turned off, voltage at the secondary side is only supplied to a component that monitors the feedback of the standby voltage.Type: GrantFiled: June 17, 2014Date of Patent: January 31, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-hyung Lee, Gil-yong Chang
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Patent number: 9531274Abstract: A resonant converter, a power supply and a power controlling method thereof are provided. The power supply includes a resonant converter which includes a square wave generator configured to alternately turn on and off first and second switches according to a frequency to generate a square wave, a resonant wave generator configured to generate a resonant wave corresponding to the square wave and a rectifier configured to output a voltage corresponding to the resonant wave; and a controller configured to control a frequency modulation of the resonant converter, wherein the controller includes a variable switching circuit configured to increase the frequency of the resonant converter in response to the resonant converter entering a capacitive mode.Type: GrantFiled: April 11, 2014Date of Patent: December 27, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won-myung Woo, Jin-hyung Lee, Gil-yong Chang
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Patent number: 9444251Abstract: A power supply includes: a first switch arranged between an input power supplier and a load; a driving power supplier to receive input power through the first switch and to supply the input power to the load when a current mode of the load is a normal mode; and a power-saving power supplier connected to a power line branched from between the input power supplier and the first switch, the power-saving power supplier generating standby power when the current mode is a standby mode, and including a second switch connected to the power line, a charger to charge power transmitted through the second switch and to output the charged power as the standby power, a voltage detector to detect the voltage of the charged power, and a first controller to receive driving power from the charger and to control operation of the second switch according to the detected voltage.Type: GrantFiled: December 31, 2012Date of Patent: September 13, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Myung Woo, Jin Hyung Lee, Gil Yong Chang
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Patent number: 9392667Abstract: A backlight unit, the backlight unit including a light-emitting diode (LED) module; a switching element connected to the LED module; and a controller configured to supply a driving voltage to the LED module, control a switching operation of the switching element, provide a constant current to the LED module, sense an operational error in the switching element, and control the driving voltage of the LED module in response to the sensed operational error.Type: GrantFiled: October 10, 2014Date of Patent: July 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-hyung Lee, Gil-yong Chang
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Publication number: 20160041805Abstract: Provided are a display system including a plurality of display apparatuses and a control method of the same. The display system including a plurality of display apparatuses comprises a first display apparatus configured to display an image to constitute a multi-screen, and receive power from a single power source; and a second display apparatus configured to display an image to constitute the multi-screen, and receive power from the single power source, wherein the second display apparatus starts operation after the first display apparatus enters a normal driving state.Type: ApplicationFiled: August 5, 2015Publication date: February 11, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-yong JOO, Jin-hyung LEE, Gil-yong CHANG
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Publication number: 20150270031Abstract: A power cable, and an imaging apparatus and an electronic device including the power cable are provided. Power and grounding of the imaging apparatus and the electronic device may be controlled even while the power cable is plugged into a power outlet. The power cable includes a power input including a first input terminal, a second input terminal, and a first ground terminal; a power output including a first output terminal, a second output terminal, and a second ground terminal connected to the first input terminal, the second input terminal, and the first ground terminal, respectively; a first switch that may disconnect the first input terminal from the first output terminal; and a second switch that may disconnect the first ground terminal from the second ground terminal.Type: ApplicationFiled: March 18, 2015Publication date: September 24, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Yong JOO, Jin Hyung LEE, Gil Yong CHANG
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Publication number: 20150271893Abstract: A backlight unit, the backlight unit including a light-emitting diode (LED) module; a switching element connected to the LED module; and a controller configured to supply a driving voltage to the LED module, control a switching operation of the switching element, provide a constant current to the LED module, sense an operational error in the switching element, and control the driving voltage of the LED module in response to the sensed operational error.Type: ApplicationFiled: October 10, 2014Publication date: September 24, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-hyung LEE, Gil-yong CHANG
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Publication number: 20150253743Abstract: A control circuit is provided. The control circuit includes a load switch, and a controller configured to transfer a turn-on signal which is increased step by step to the load switch, and perform a soft start operation which turns on the load switch. In response to the load switch being turned on, the control circuit restricts an inrush current flowing in the load switch.Type: ApplicationFiled: October 10, 2014Publication date: September 10, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-hyung LEE, Gil-yong CHANG
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Patent number: 9123298Abstract: A display apparatus is provided. The display apparatus includes a display panel which displays an image, a LED module which provides backlight to the display panel, a LED driving unit which selectively uses current of an inductor to apply driving voltage to the LED module, a sensing unit which senses a current value of the inductor, and a switching control unit which adjusts the driving voltage according to sensing result by the sensing unit.Type: GrantFiled: September 14, 2012Date of Patent: September 1, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae-sung Kim, Jeong-il Kang, Young-soo Kim, Gil-yong Chang
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Publication number: 20150214137Abstract: A semiconductor device is provided. The semiconductor device may include a frame portion on which at least one semiconductor chip is arranged; a plurality of leads electrically connected to the semiconductor chip; and a mold portion formed on the frame portion to surround a part of the frame portion on which the semiconductor chip and the plurality of leads are arranged, wherein a gap between closest portions of the respective leads is at least 2.9 mm.Type: ApplicationFiled: July 31, 2014Publication date: July 30, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youn-seung LEE, Jin-hyung LEE, Gil-yong CHANG
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Publication number: 20150131332Abstract: Disclosed are an electronic apparatus and a power controlling method thereof, the electronic apparatus including a system portion configured to operate with a received voltage, and a power supply including a pulse width modulation (PWM) generator to generate a PWM signal, a converter to transfer voltage from a primary side to a secondary side in accordance with an output voltage of the PWM generator, and an output portion to supply voltage at the secondary side as standby voltage to the system portion, the PWM generator receives feedback on the standby voltage at the secondary side of the converter, the PWM signal is turned on/off in accordance with levels of the standby voltage at the secondary side, and voltage being supplied to components, except, when the PWM signal is turned off, voltage at the secondary side is only supplied to a component that monitors the feedback of the standby voltage.Type: ApplicationFiled: June 17, 2014Publication date: May 14, 2015Applicant: Samsung Electronics Co., Ltd.Inventors: Jin-hyung LEE, Gil-yong CHANG
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Publication number: 20150130861Abstract: A display apparatus including: a display; a driver including an amplifier configured to detect a current of the display and to generate a constant current control signal, and a transistor configured to adjust the current supplied to the display in accordance an output voltage of the amplifier; and a controller configured to monitor the current of the display and a dropout voltage of the transistor, and control the amplifier so that a pulse width modulation (PWM) duty ratio is decreased in response to the dropout voltage being equal to or higher than a reference voltage.Type: ApplicationFiled: July 8, 2014Publication date: May 14, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-hyung LEE, Youn-seung LEE, Gil-yong CHANG