Patents by Inventor Sung-Woo MOON
Sung-Woo MOON 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: 20240147830Abstract: The present disclosure relates to an organometallic compound having the following structure of Chemical Formula 1, Ir(LA)m(LB)n, an organic light emitting diode (OLED) where the organometallic compound is applied to an emitting material layer and an organic light emitting device. The luminous efficiency, color purity and luminous lifespan of the OLED and the organic light emitting device can be improved.Type: ApplicationFiled: May 10, 2023Publication date: May 2, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Tae-Ryang HONG, In-Bum SONG, Sung-Jin PARK, Jae-Min MOON, Seok-Woo KANG
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Publication number: 20240125990Abstract: The provided is an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple and petal flare, and thus to provide the optical filter with excellent durability.Type: ApplicationFiled: October 2, 2023Publication date: April 18, 2024Inventors: Joon Ho JUNG, Seon Ho YANG, Sung Min HWANG, Choon Woo JI, Sung Yong MOON
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Publication number: 20240087991Abstract: A semiconductor package including a die paddle, a first lead spaced apart from the die paddle and on one side of the die paddle, a second lead spaced apart from the die paddle and on another side of the die paddle, a spacer on the die paddle, a semiconductor die on the spacer, a first wire configured to connect an upper surface of the semiconductor die to the first lead, and a mold film configured to cover the die paddle, the first lead, the second lead, the spacer, the semiconductor die, and the first wire, wherein a first width of the spacer is greater than a second width of the die paddle so that the spacer overlaps the first lead may be provided.Type: ApplicationFiled: June 30, 2023Publication date: March 14, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Jae Hyun LIM, Sung Woo PARK, Hyun Jong MOON, Kwang Jin LEE
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Publication number: 20230291240Abstract: A wireless charging receiver and wireless charging system comprising the same is provided. A wireless charging receiver may be configured to wirelessly receive electrical power from a wireless charging transmitter. The wireless charging receiver may include an inductor inductively coupled to the wireless charging transmitter, a rectifier connected to the inductor and configured to rectify a signal received from the inductor, a DC-DC converter configured to convert a DC signal received from the rectifier, a switching block configured to receive a common voltage generated from the DC-DC converter and including a first switch, and a first capacitor configured to receive the common voltage from the switching block and connected to the inductor at a first node n1, wherein the common voltage is not zero (0).Type: ApplicationFiled: January 3, 2023Publication date: September 14, 2023Inventors: Hyun Su Kim, Sung Woo Moon
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Publication number: 20230009218Abstract: The present invention relates to a diagnostic assay for the virus causing severe acute respiratory syndrome Sars-CoV 2 (COVID-19, COVID-19; COVID-19-CoV-2) in humans (“COVID-19 virus”). In particular, the invention relates to a real-time quantitative PCR assay for the detection of COVID-19 virus using reverse transcription and polymerase chain reaction. Specifically, the qualitative assay is a TaqMan® assay using the primers and probes constructed based on the genome of the COVID-19 virus. The invention further relates to a diagnostic kit that comprises nucleic acid molecules for the detection of the COVID-19 virus.Type: ApplicationFiled: May 10, 2021Publication date: January 12, 2023Inventors: Jung Joo Moon, Sung Woo Moon
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Patent number: 11183945Abstract: Provided are a semiconductor device and a method of operating the same. A semiconductor device may include a comparator which compares a first voltage with a rectified voltage and provides a second voltage in accordance with the comparison. A timer circuit may operate a timer according to the second voltage and output a third voltage in correspondence with an operation time of the timer. A driver may drive a transistor with a fourth voltage generated by the driver according to the third voltage. A calibration circuit may generate a timer calibration signal based on the second voltage and the fourth voltage. The timer calibration signal may be provided to the timer circuit and used to calibrate the operation time of the timer. More efficient rectification, with reduced occurrence of reverse current, may thereby be realized.Type: GrantFiled: April 13, 2020Date of Patent: November 23, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Takahiro Nomiyama, Sung Woo Moon, Yus Ko
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Publication number: 20200244180Abstract: Provided are a semiconductor device and a method of operating the same. A semiconductor device may include a comparator which compares a first voltage with a rectified voltage and provides a second voltage in accordance with the comparison. A timer circuit may operate a timer according to the second voltage and output a third voltage in correspondence with an operation time of the timer. A driver may drive a transistor with a fourth voltage generated by the driver according to the third voltage. A calibration circuit may generate a timer calibration signal based on the second voltage and the fourth voltage. The timer calibration signal may be provided to the timer circuit and used to calibrate the operation time of the timer. More efficient rectification, with reduced occurrence of reverse current, may thereby be realized.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Inventors: TAKAHIRO NOMIYAMA, Sung Woo Moon, Yus Ko
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Patent number: 10622910Abstract: Provided are a semiconductor device and a method of operating the same. A semiconductor device may include a comparator which compares a first voltage with a rectified voltage and provides a second voltage in accordance with the comparison. A timer circuit may operate a timer according to the second voltage and output a third voltage in correspondence with an operation time of the timer. A driver may drive a transistor with a fourth voltage generated by the driver according to the third voltage. A calibration circuit may generate a timer calibration signal based on the second voltage and the fourth voltage. The timer calibration signal may be provided to the timer circuit and used to calibrate the operation time of the timer. More efficient rectification, with reduced occurrence of reverse current, may thereby be realized.Type: GrantFiled: November 3, 2017Date of Patent: April 14, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Takahiro Nomiyama, Sung Woo Moon, Yus Ko
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Publication number: 20180205324Abstract: Provided are a semiconductor device and a method of operating the same. A semiconductor device may include a comparator which compares a first voltage with a rectified voltage and provides a second voltage in accordance with the comparison. A timer circuit may operate a timer according to the second voltage and output a third voltage in correspondence with an operation time of the timer. A driver may drive a transistor with a fourth voltage generated by the driver according to the third voltage. A calibration circuit may generate a timer calibration signal based on the second voltage and the fourth voltage. The timer calibration signal may be provided to the timer circuit and used to calibrate the operation time of the timer. More efficient rectification, with reduced occurrence of reverse current, may thereby be realized.Type: ApplicationFiled: November 3, 2017Publication date: July 19, 2018Inventors: TAKAHIRO NOMIYAMA, SUNG WOO MOON, YUS KO
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Patent number: 9983605Abstract: A voltage regulator may include an error amplifier configured to amplify a difference between a reference voltage and a feedback voltage and generate a first amplified voltage based thereon; a power transistor between a second voltage supply node and an output node of the voltage regulator, the power transistor including a gate configured to receive a gate voltage; a buffer between a first voltage supply node and a ground, the buffer configured to generate the gate voltage based on the first amplified voltage; a voltage divider between the output node and the ground, the voltage divider configured to generate the feedback voltage based on the output voltage; and a control circuit configured to connect the output node to the ground through the gate of the power transistor based on the output voltage and the gate voltage.Type: GrantFiled: August 8, 2016Date of Patent: May 29, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Hoang Quoc Duong, Sung Woo Moon, Hyun Seok Shin, Dong Jin Keum
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Patent number: 9904306Abstract: A voltage converter includes a high voltage regulator, a buck converter and a dual input linear regulator unit. The high voltage regulator converts a rectified voltage to a first load voltage. The rectified voltage is rectified from an input voltage. The buck converter generates an output voltage having a first level based on the rectified voltage during a stabilizing period and provides a transition detection signal that is enabled when the output voltage transitions to the first level. The stabilizing period is successive to an initializing period. The dual input linear regulator unit receives the first load voltage, the output voltage and a reference voltage, generates a second load voltage based on the first load voltage during the initializing period, and generates the second load voltage based on the output voltage during the stabilizing period.Type: GrantFiled: November 13, 2014Date of Patent: February 27, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Pyung-Woo Yeon, Myeong-Lyong Ko, Kyung-Goo Moh, Sung-Woo Moon, Filippo Neri
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Patent number: 9859796Abstract: A method of operating a buck-boost converter including an inductor and a capacitor includes; operating the buck-boost converter in boost mode until a level of an input voltage applied at an input node of the buck-boost converter reaches a desired level of an output voltage apparent at an output node of the buck-boost converter, and after the level of an input voltage reaches the desired level of the output voltage, operating the buck-boost converter in buck mode, wherein operating the buck-boost converter in buck mode and operating the buck-boost converter in boost mode overlap at least in part temporally proximate a point at which the level of the input voltage exceeds the level of the output voltage.Type: GrantFiled: April 16, 2015Date of Patent: January 2, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Gil-Won Yoon, Dong-Jin Keum, Yus Ko, Gwang-Yol Noh, Sung-Woo Moon, Min-Ho Choi
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Publication number: 20170199537Abstract: A voltage regulator may include an error amplifier configured to amplify a difference between a reference voltage and a feedback voltage and generate a first amplified voltage based thereon; a power transistor between a second voltage supply node and an output node of the voltage regulator, the power transistor including a gate configured to receive a gate voltage; a buffer between a first voltage supply node and a ground, the buffer configured to generate the gate voltage based on the first amplified voltage; a voltage divider between the output node and the ground, the voltage divider configured to generate the feedback voltage based on the output voltage; and a control circuit configured to connect the output node to the ground through the gate of the power transistor based on the output voltage and the gate voltage.Type: ApplicationFiled: August 8, 2016Publication date: July 13, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Hoang Quoc DUONG, Sung Woo MOON, Hyun Seok SHIN, Dong Jin KEUM
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Patent number: 9590505Abstract: A switching regulator includes a DC-DC converter and a dynamic voltage positioning circuit. The DC-DC converter includes an inductor connected between an input port and an output port. The dynamic voltage positioning circuit includes a sensing circuit and a mirroring circuit. The sensing circuit is configured to sense an inductor current flowing through the inductor, and to convert a voltage applied to a direct current resistance (DCR) of the inductor into a droop current using a variable resistor. The mirroring circuit is configured to cause a voltage drop at the output port of the DC-DC converter based on a current corresponding to a difference between a bias current and the droop current.Type: GrantFiled: November 17, 2014Date of Patent: March 7, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Woo Moon, Hyun-Wook Yoo, Yus Ko, Dong-Jin Keum, Pyung-Woo Yeon
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Patent number: 9438109Abstract: A bi-directional voltage positioning circuit includes a voltage to current converter, a current mirror circuit and a switch. The voltage to current converter converts a sensing voltage to a first current, and the sensing voltage is sensed based on a current flowing through an output coil connected between a switching node and an output node. The current mirror circuit mirrors the first current to generate a second current and a third current, the second current is N times greater than the first current, the third current is M times greater than the first current, and N and M are real numbers greater than zero. The switch provides a feedback node with one of the second current and third current in response to a switching control signal, and an output voltage of the output node is divided at the feedback node.Type: GrantFiled: February 24, 2014Date of Patent: September 6, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Woo Moon, Myeong-Lyong Ko, Yu-Seok Ko, Dong-Jin Keum, Hyun-Wook Yoo, Hwa-Yeal Yu
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Patent number: 9396870Abstract: A wireless power transmission device may comprise a source coil; and/or a resonance coil inductively coupled to the source coil. The source coil may transmit power outside of the wireless power transmission device in an electromagnetic induction type during a first interval. The source coil may transmit the power to the resonance coil in the electromagnetic induction type and the resonance coil may transmit the power received from the source coil to the outside of the wireless power transmission device in a magnetic resonance type during a second interval that is different from the first interval.Type: GrantFiled: November 5, 2013Date of Patent: July 19, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-Goo Moh, Sung-Woo Moon, Pyung-Woo Yeon
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Publication number: 20160062319Abstract: A smart watch capable of wireless charging includes a bezel which functions as a smart function operation circuit and a touchable display and a wrist band connected to the bezel. The bezel is separated from a power receiving coil.Type: ApplicationFiled: June 4, 2015Publication date: March 3, 2016Inventors: Tong H. Kim, Em-Hwan Kim, Jung-Su Kim, Sung-Woo Moon, Jun-Ho Lee, Jae-Hun Choe
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Publication number: 20150357916Abstract: A method of operating a buck-boost converter including an inductor and a capacitor includes; operating the buck-boost converter in boost mode until a level of an input voltage applied at an input node of the buck-boost converter reaches a desired level of an output voltage apparent at an output node of the buck-boost converter, and after the level of an input voltage reaches the desired level of the output voltage, operating the buck-boost converter in buck mode, wherein operating the buck-boost converter in buck mode and operating the buck-boost converter in boost mode overlap at least in part temporally proximate a point at which the level of the input voltage exceeds the level of the output voltage.Type: ApplicationFiled: April 16, 2015Publication date: December 10, 2015Inventors: GIL-WON YOON, DONG-JIN KEUM, YUS KO, GWANG-YOL NOH, SUNG-WOO MOON, MIN-HO CHOI
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Publication number: 20150263615Abstract: A switching regulator includes a DC-DC converter and a dynamic voltage positioning circuit. The DC-DC converter includes an inductor connected between an input port and an output port. The dynamic voltage positioning circuit includes a sensing circuit and a mirroring circuit. The sensing circuit is configured to sense an inductor current flowing through the inductor, and to convert a voltage applied to a direct current resistance (DCR) of the inductor into a droop current using a variable resistor. The mirroring circuit is configured to cause a voltage drop at the output port of the DC-DC converter based on a current corresponding to a difference between a bias current and the droop current.Type: ApplicationFiled: November 17, 2014Publication date: September 17, 2015Inventors: Sung-Woo MOON, Hyun-Wook YOO, Yus KO, Dong-Jin KEUM, Pyung-Woo YEON
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Publication number: 20150130292Abstract: A voltage converter includes a high voltage regulator, a buck converter and a dual input linear regulator unit. The high voltage regulator converts a rectified voltage to a first load voltage. The rectified voltage is rectified from an input voltage. The buck converter generates an output voltage having a first level based on the rectified voltage during a stabilizing period and provides a transition detection signal that is enabled when the output voltage transitions to the first level. The stabilizing period is successive to an initializing period. The dual input linear regulator unit receives the first load voltage, the output voltage and a reference voltage, generates a second load voltage based on the first load voltage during the initializing period, and generates the second load voltage based on the output voltage during the stabilizing period.Type: ApplicationFiled: November 13, 2014Publication date: May 14, 2015Inventors: Pyung-Woo YEON, Myeong-Lyong KO, Kyung-Goo MOH, Sung-Woo MOON, Filippo NERI