Patents by Inventor Woung Kim
Woung Kim 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: 20230344925Abstract: A display device includes: a substrate including a main area and a sub-area overlapping each other; a plurality of light-emitting devices positioned on the main area and the sub-area of the substrate; a prism positioned between the main area and the sub-area; and a camera module positioned on one surface of the prism.Type: ApplicationFiled: January 6, 2023Publication date: October 26, 2023Inventors: Chang Ho HYUN, Changwoo KAHNG, Woung KIM
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Publication number: 20230042975Abstract: Techniques for selective measurement and monitoring of boric acid concentrations in processing solutions are provided. Methods include the use of a complexing agent that reacts with hydrolyzing ions, for example, ethylenediaminetetraacetic (EDTA) acid salts in potentiometric titration. In such methods, a boric acid concentration in a processing solution can be accurately measured and monitored.Type: ApplicationFiled: July 5, 2022Publication date: February 9, 2023Applicant: ECI Technology, Inc.Inventors: Jingjing Wang, Jong Woung Kim, Patrick Saitta, Eugene Shalyt
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Patent number: 11382480Abstract: An autonomous cleaner includes a body having a first housing formed at a front and a second housing formed at a rear of the first housing; a brush unit installed at the first housing and configured to sweep and collect dust from a floor; a dust collecting unit installed at the second housing and configured to store the dust inlet into the brush unit; a driving unit to drive the body and coupled to the second housing to be positioned at a lateral side of the dust collecting unit; and a power unit installed at the second housing and coupled to be positioned at a rear of the dust collecting unit. The miniaturization of the autonomous cleaner may be provided while at the same time the capacity of a dust collecting container and the capacity of a battery are increased.Type: GrantFiled: October 5, 2018Date of Patent: July 12, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwi-Chan Jang, Tae Soo Kim, Hyun Soo Jung, Sang Hwa Choi, Sang Sik Yoon, Shin Kim, Jin Hee Kim, Yeon Kyu Jeong, Hak Bong Lee, Young Ho Ko, Kyoung Woung Kim
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Patent number: 11324366Abstract: A vacuum cleaner includes a head unit that suctions foreign substances from a surface to be cleaned together with air. The head unit includes a first suction guide having a first suction chamber therein and a second suction guide disposed on a rear side of the first suction guide and having a second suction chamber therein, and the first suction chamber suctions air through a first degree of vacuum and the second suction chamber suctions air through a second degree of vacuum higher than the first degree of vacuum.Type: GrantFiled: March 22, 2019Date of Patent: May 10, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong Jun Kim, Kyoung Woung Kim, Han Saem Lee
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Publication number: 20220087489Abstract: The present disclosure relates to a cleaner including a main body, a brush head connected to the main body by a connection pipe and having a suction port, and a brush drum rotatably mounted to the brush head, wherein the brush drum includes a shaft unit rotatably mounted to the brush head, a cylindrical elastic member provided to surround an outer circumferential surface of the shaft unit, a brush provided in a cylindrical shape to surround an outer circumferential surface of the elastic member and formed of soft bristles, a pair of brackets assembled at both ends of the shaft unit and allowing the shaft unit to be rotatably mounted to the brush head, a handle unit detachably mounted on the brush head and detachably mounted to one of the pair of brackets.Type: ApplicationFiled: March 4, 2020Publication date: March 24, 2022Inventors: Ki Hwan KWON, Dong Woo HA, Jung Gyun HAN, Seok Man HONG, Kyoung Woung KIM, Tae Gwang KIM
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Patent number: 10646083Abstract: Disclosed is a vacuum cleaner having an improved structure for preventing hair or foreign substances from being caught in a wheel. The vacuum cleaner includes a suction nozzle having a suction passage for cleaning a surface to be cleaned by a suction force and a wheel assembly accommodated in the suction nozzle and configured to be rotatable. The wheel assembly includes a wheel and a rotating shaft to rotatably support the wheel. The rotating shaft is inclined relative to a bottom surface of the suction nozzle.Type: GrantFiled: May 12, 2017Date of Patent: May 12, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong Jun Kim, Kyoung Woung Kim, Do Kyung Lee
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Publication number: 20190290086Abstract: A vacuum cleaner includes a head unit that suctions foreign substances from a surface to be cleaned together with air. The head unit includes a first suction guide having a first suction chamber therein and a second suction guide disposed on a rear side of the first suction guide and having a second suction chamber therein, and the first suction chamber suctions air through a first degree of vacuum and the second suction chamber suctions air through a second degree of vacuum higher than the first degree of vacuum.Type: ApplicationFiled: March 22, 2019Publication date: September 26, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Dong Jun KIM, Kyoung Woung KIM, Han Saem LEE
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Publication number: 20190029489Abstract: An autonomous cleaner includes a body having a first housing formed at a front and a second housing formed at a rear of the first housing; a brush unit installed at the first housing and configured to sweep and collect dust from a floor; a dust collecting unit installed at the second housing and configured to store the dust inlet into the brush unit; a driving unit to drive the body and coupled to the second housing to be positioned at a lateral side of the dust collecting unit; and a power unit installed at the second housing and coupled to be positioned at a rear of the dust collecting unit. The miniaturization of the autonomous cleaner may be provided while at the same time the capacity of a dust collecting container and the capacity of a battery are increased.Type: ApplicationFiled: October 5, 2018Publication date: January 31, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Hwi-Chan JANG, Tae Soo KIM, Hyun Soo JUNG, Sang Hwa CHOI, Sang Sik YOON, Shin KIM, Jin Hee KIM, Yeon Kyu JEONG, Hak Bong LEE, Young Ho KO, Kyoung Woung KIM
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Patent number: 10130234Abstract: An autonomous cleaner includes a body having a first housing formed at a front and a second housing formed at a rear of the first housing; a brush unit installed at the first housing and configured to sweep and collect dust from a floor; a dust collecting unit installed at the second housing and configured to store the dust inlet into the brush unit; a driving unit to drive the body and coupled to the second housing to be positioned at a lateral side of the dust collecting unit; and a power unit installed at the second housing and coupled to be positioned at a rear of the dust collecting unit. The miniaturization of the autonomous cleaner may be provided while at the same time the capacity of a dust collecting container and the capacity of a battery are increased.Type: GrantFiled: February 26, 2015Date of Patent: November 20, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwi-Chan Jang, Tae Soo Kim, Hyun Soo Jung, Sang Hwa Choi, Sang Sik Yoon, Shin Kim, Jin Hee Kim, Yeon Kyu Jeong, Hak Bong Lee, Young Ho Ko, Kyoung Woung Kim
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Publication number: 20170325646Abstract: Disclosed is a vacuum cleaner having an improved structure for preventing hair or foreign substances from being caught in a wheel. The vacuum cleaner includes a suction nozzle having a suction passage for cleaning a surface to be cleaned by a suction force and a wheel assembly accommodated in the suction nozzle and configured to be rotatable. The wheel assembly includes a wheel and a rotating shaft to rotatably support the wheel. The rotating shaft is inclined relative to a bottom surface of the suction nozzle.Type: ApplicationFiled: May 12, 2017Publication date: November 16, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong Jun KIM, Kyoung Woung KIM, Do Kyung LEE
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Patent number: 9737184Abstract: A suction nozzle and a vacuum cleaner are provided. The suction nozzle includes a lower case in which a suction inlet configured to suck dirt on a surface to be cleaned using suction force formed from a suction source and an inclined part including the suction inlet are formed in a bottom of the lower case which faces the surface to be cleaned, and an upper case coupled to an upper side of the lower case, wherein the inclined part is formed to be downwardly inclined towards a left side and a right side of the suction inlet from an arbitrary portion of the inclined part.Type: GrantFiled: August 27, 2015Date of Patent: August 22, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-jun Kim, Kyoung-woung Kim
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Patent number: 9668627Abstract: A robot cleaner drives various brushes using a single motor. The robot cleaner includes a main body having a suction port, a main brush rotatably disposed in the suction port, an auxiliary brush rotatably disposed adjacent to the main brush and at least one side brush rotatably installed to move dust to the suction port, wherein the main brush, the auxiliary brush, and the at least one side brush are driven by a single motor in an interlocking fashion.Type: GrantFiled: February 13, 2015Date of Patent: June 6, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung Woung Kim, Kyu Ha Lee, Seung II Han
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Publication number: 20160058255Abstract: A suction nozzle and a vacuum cleaner are provided. The suction nozzle includes a lower case in which a suction inlet configured to suck dirt on a surface to be cleaned using suction force formed from a suction source and an inclined part including the suction inlet are formed in a bottom of the lower case which faces the surface to be cleaned, and an upper case coupled to an upper side of the lower case, wherein the inclined part is formed to be downwardly inclined towards a left side and a right side of the suction inlet from an arbitrary portion of the inclined part.Type: ApplicationFiled: August 27, 2015Publication date: March 3, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-jun KIM, Kyoung-woung KIM
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Patent number: 9183784Abstract: A first reference voltage is applied to a plurality of pixels during a data writing period when data is written and a second reference voltage is applied to the plurality of pixels during a light emitting period when the plurality of pixels emit light, in which each of the plurality of pixels includes a switching transistor to transfer a data voltage applied to a data line to a first node; a driving transistor controlling a driving current flowing into an OLED according to the voltage of the first node and a first power supply voltage; and a storage capacitor including a first electrode connected to the first node and a second electrode receiving one of the first reference voltage and the second reference voltage. A difference between the first reference voltage and the second reference voltage is determined according to a threshold voltage deviation characteristic of the display unit.Type: GrantFiled: June 17, 2013Date of Patent: November 10, 2015Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITYInventors: Oh-Kyong Kwon, Chang-Ho Hyun, Woung Kim
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Publication number: 20150223653Abstract: A robot cleaner drives various brushes using a single motor. The robot cleaner includes a main body having a suction port, a main brush rotatably disposed in the suction port, an auxiliary brush rotatably disposed adjacent to the main brush and at least one side brush rotatably installed to move dust to the suction port, wherein the main brush, the auxiliary brush, and the at least one side brush are driven by a single motor in an interlocking fashion.Type: ApplicationFiled: February 13, 2015Publication date: August 13, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung Woung KIM, Kyu Ha Lee, Seung Il Han
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Publication number: 20140098082Abstract: A first reference voltage is applied to a plurality of pixels during a data writing period when data is written and a second reference voltage is applied to the plurality of pixels during a light emitting period when the plurality of pixels emit light, in which each of the plurality of pixels includes a switching transistor to transfer a data voltage applied to a data line to a first node; a driving transistor controlling a driving current flowing into an OLED according to the voltage of the first node and a first power supply voltage; and a storage capacitor including a first electrode connected to the first node and a second electrode receiving one of the first reference voltage and the second reference voltage. A difference between the first reference voltage and the second reference voltage is determined according to a threshold voltage deviation characteristic of the display unit.Type: ApplicationFiled: June 17, 2013Publication date: April 10, 2014Inventors: Oh-Kyong KWON, Chang-Ho HYUN, Woung KIM
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Patent number: 8513082Abstract: An electrostatic discharge protection device includes a substrate where an active region is defined by an isolation layer, a gate electrode simultaneously crossing both the isolation layer and the active region, and a junction region formed in the active region at both sides of the gate electrode and separated from the isolation layer by a certain distance in a direction where the gate electrode is extended. The electrostatic discharge protection device is able to prevent the increase of a leakage current while securing an electrostatic discharge protection property that a semiconductor device requires.Type: GrantFiled: July 11, 2012Date of Patent: August 20, 2013Assignee: Hynix Semiconductor inc.Inventors: Jang-Hoo Kim, Ho-Woung Kim
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Patent number: 8508525Abstract: An organic light emitting diode (OLED) display includes a display unit including a plurality of pixels, a plurality of scan lines, and a plurality of data lines, a data driver transmitting a plurality of data signals to the plurality of data lines, a scan driver transmitting a plurality of scan signals to the plurality of scan lines, a compensation controller supplying a predetermined first current to each OLED in each of the plurality of pixels during a sensing period for measuring a driving voltage of the OLED for each of a plurality of pixels, receiving the driving voltage of the OLED supplied with the first current, and outputting measuring data for the transmitted driving voltage; and a signal controller compensating an input video signal according to the measuring data to generate image data. The compensation controller is separate from and external to the data driver.Type: GrantFiled: January 10, 2011Date of Patent: August 13, 2013Assignee: Samsung Display Co., Ltd.Inventors: Naoaki Komiya, Choon-Yul Oh, Joo-Hyeon Jeong, Myoung-Hwan Yoo, Wang-Jo Lee, Ho-Ryun Chung, Chang-Ho Hyun, Woung Kim, In-Ho Choi
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Publication number: 20120276704Abstract: An electrostatic discharge protection device includes a substrate where an active region is defined by an isolation layer, a gate electrode simultaneously crossing both the isolation layer and the active region, and a junction region formed in the active region at both sides of the gate electrode and separated from the isolation layer by a certain distance in a direction where the gate electrode is extended. The electrostatic discharge protection device is able to prevent the increase of a leakage current while securing an electrostatic discharge protection property that a semiconductor device requires.Type: ApplicationFiled: July 11, 2012Publication date: November 1, 2012Inventors: Jang-Hoo KIM, Ho-Woung Kim
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Patent number: 8269803Abstract: A display device includes a plurality of pixels, each of said plurality of pixels includes a driving transistor and a light emitting diode, a compensator to receive first and second pixel currents generated by the plurality of pixels according to first and second data voltages respectively applied to the plurality of pixels, the compensator to calculate an image data compensation amount to compensate for variations in characteristics of the driving transistor of each of said plurality of pixels and a data selector to transmit the first and second data voltages to the plurality of pixels and to transmit the first and second pixel currents to the compensator, the compensator to measure the first and second pixel currents generated as a result of the first and second data voltages corresponding to different gray scale levels and to calculate an actual threshold voltage and mobility of the driving transistor of each of the pixels, the compensator including a measurement resistor, the compensator to control a resiType: GrantFiled: January 6, 2011Date of Patent: September 18, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Myoung-Hwan Yoo, Choon-Yul Oh, Naoaki Komiya, Ho-Ryun Chung, Joo-Hyeon Jeong, Wang-Jo Lee, In-Ho Choi, Chang-Ho Hyun, Woung Kim