Patents by Inventor Jun-ki Hong
Jun-ki Hong 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: 11935876Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.Type: GrantFiled: April 27, 2021Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jun Bo Sim, Duk Ki Kim, Yong Hwi Kim, Hyo Jin Ko, Chang Hee Lee, Chan Woo Joo, Jae Kook Ha, Na Mi Hong
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Publication number: 20240086135Abstract: An electronic device is provided that includes a first display and a second display. The electronic device also includes a processor configured to allocate a first set of resources to the first display and a second set of resources to the second display. The first set of resources is different from the second set of resources. Each of the first set of resources and the second set of resources includes one or more of at least one available hardware resource and at least one available software resource.Type: ApplicationFiled: November 13, 2023Publication date: March 14, 2024Inventors: Duk Ki HONG, Hyuk KANG, Jeong Hun KIM, Jae Bong YOO, Kyung Soo LIM, Jun Hak LIM, Min Gyew KIM, Na Jung Seo
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Patent number: 11830991Abstract: The prevent invention relates a method and apparatus based on neural network for pre-diagnosing defect and fire in battery cell. A method based on neural network for pre-diagnosing defect and fire in battery cell in an apparatus for pre-diagnosing defect and fire in battery cell is proposed, the method including collecting, by the battery cell defect and fire pre-diagnosis apparatus, data including at least one of chemical composition, current, voltage, and temperature data measured for each predetermined time interval within each charge and discharge cycle while charging and discharging a plurality of batteries; training, by the battery to cell defect and fire pre-diagnosis apparatus, the neural network by inputting the collected data to the neural network; and predicting, by the battery cell defect and fire pre-diagnosis apparatus, a battery deviated from a main cluster of the neural network as defective.Type: GrantFiled: December 11, 2020Date of Patent: November 28, 2023Inventors: Jin Geun Kwon, Jun Ki Hong, Dong Heon Lee
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Publication number: 20220052389Abstract: The prevent invention relates a method and apparatus based on neural network for pre-diagnosing defect and fire in battery cell. A method based on neural network for pre-diagnosing defect and fire in battery cell in an apparatus for pre-diagnosing defect and fire in battery cell is proposed, the method including collecting, by the battery cell defect and fire pre-diagnosis apparatus, data including at least one of chemical composition, current, voltage, and temperature data measured for each predetermined time interval within each charge and discharge cycle while charging and discharging a plurality of batteries; training, by the battery to cell defect and fire pre-diagnosis apparatus, the neural network by inputting the collected data to the neural network; and predicting, by the battery cell defect and fire pre-diagnosis apparatus, a battery deviated from a main cluster of the neural network as defective.Type: ApplicationFiled: December 11, 2020Publication date: February 17, 2022Inventors: Jin Geun KWON, Jun Ki HONG, Dong Heon LEE
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Patent number: 10431140Abstract: A display device includes a display unit including pixels coupled to scan lines and data lines, a data driver which supplies a data signal to pixels through the data lines, a scan driver which generates a scan signal using a first scan voltage and a second scan voltage, and supplying the scan signal to the pixels through the scan lines, a processor which generates first scan voltage information by setting a first scan voltage level, based on an ambient temperature of the display device, a timing controller which generates a power control signal using the first scan voltage information and delta voltage information, and a power supply which generates the first scan voltage and a delta voltage using the power control signal, and generates the second scan voltage by dropping the delta voltage from the first scan voltage.Type: GrantFiled: April 20, 2016Date of Patent: October 1, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Young Heo, Jong Jae Lee, Seok Hwan Lee, Jun Ki Hong
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Patent number: 10424917Abstract: An overcurrent protective system includes a current detector which detects a current flowing in an element which is to be protected by the overcurrent protective system, an overcurrent counting unit which selects an overcurrent sensing level corresponding to the element among a plurality of overcurrent sensing levels which are threshold values becoming standards for determining whether the current detected by the current detector is a normal current or an overcurrent and which determines whether the current is the overcurrent or not by comparing the current with the selected overcurrent sensing level, and a controller which decreases an output voltage of a circuit which is to be protected by the overcurrent protective system and includes the element when the current flowing in the element is determined as the overcurrent.Type: GrantFiled: April 22, 2016Date of Patent: September 24, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun ki Hong, Jong Jae Lee, Seok Hwan Lee, Se Young Heo
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Patent number: 10186960Abstract: A power supply includes a voltage converter circuit which converts an input voltage into an output voltage and outputs the output voltage, a voltage controller which controls the voltage converter circuit in response to a first feedback voltage or a second feedback voltage, a feedback terminal which supplies the first feedback voltage, an internal voltage divider circuit which supplies the second feedback voltage, and a switch unit which transfers the first feedback voltage or the second feedback voltage to the voltage controller.Type: GrantFiled: June 16, 2016Date of Patent: January 22, 2019Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Seok Hwan Lee, Jong Jae Lee, Yang Uk Nam, Se Young Heo, Jun Ki Hong
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Patent number: 10083671Abstract: A DC-DC converter includes a power switch and a switching controller. The power switch is repetitively turned on and off for generating an output DC voltage based on an input DC voltage. The switching controller controls operation of the power switch, and includes a slew rate controller to adjust a slew rate of a switch voltage of an electrode of the power switch to vary with time.Type: GrantFiled: October 22, 2015Date of Patent: September 25, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jong-Jae Lee, Yang-Uk Nam, Jun-Ki Hong, Jun-Dal Kim, Jang-Hee Park
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Patent number: 9747861Abstract: A driving voltage generating device, a display device including the same, and a method of generating a driving voltage are provided. The driving voltage generating device includes a driving voltage setting unit receiving initially set data on a driving voltage and a feedback voltage and outputting a control signal, a driving voltage trimmer receiving finely adjusted data on the driving voltage and adjusting the feedback voltage, and a DC to DC converter generating the driving voltage based on the control signal and an input voltage.Type: GrantFiled: June 17, 2014Date of Patent: August 29, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yang Uk Nam, Jong Jae Lee, Bon-Sung Koo, Jun Dal Kim, Se Young Heo, Jun Ki Hong
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Publication number: 20170170726Abstract: A power supply includes a voltage converter circuit which converts an input voltage into an output voltage and outputs the output voltage, a voltage controller which controls the voltage converter circuit in response to a first feedback voltage or a second feedback voltage, a feedback terminal which supplies the first feedback voltage, an internal voltage divider circuit which supplies the second feedback voltage, and a switch unit which transfers the first feedback voltage or the second feedback voltage to the voltage controller.Type: ApplicationFiled: June 16, 2016Publication date: June 15, 2017Inventors: Seok Hwan LEE, Jong Jae LEE, Yang Uk NAM, Se Young HEO, Jun Ki HONG
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Publication number: 20170098409Abstract: A display device includes a display unit including pixels coupled to scan lines and data lines, a data driver which supplies a data signal to pixels through the data lines, a scan driver which generates a scan signal using a first scan voltage and a second scan voltage, and supplying the scan signal to the pixels through the scan lines, a processor which generates first scan voltage information by setting a first scan voltage level, based on an ambient temperature of the display device, a timing controller which generates a power control signal using the first scan voltage information and delta voltage information, and a power supply which generates the first scan voltage and a delta voltage using the power control signal, and generates the second scan voltage by dropping the delta voltage from the first scan voltage.Type: ApplicationFiled: April 20, 2016Publication date: April 6, 2017Inventors: Se Young HEO, Jong Jae LEE, Seok Hwan LEE, Jun Ki HONG
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Publication number: 20170070045Abstract: An overcurrent protective system includes a current detector which detects a current flowing in an element which is to be protected by the overcurrent protective system, an overcurrent counting unit which selects an overcurrent sensing level corresponding to the element among a plurality of overcurrent sensing levels which are threshold values becoming standards for determining whether the current detected by the current detector is a normal current or an overcurrent and which determines whether the current is the overcurrent or not by comparing the current with the selected overcurrent sensing level, and a controller which decreases an output voltage of a circuit which is to be protected by the overcurrent protective system and includes the element when the current flowing in the element is determined as the overcurrent.Type: ApplicationFiled: April 22, 2016Publication date: March 9, 2017Inventors: Jun ki HONG, Jong Jae LEE, Seok Hwan LEE, Se Young HEO
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Publication number: 20160276506Abstract: A solar cell including a first conductive type semiconductor substrate; a first intrinsic semiconductor layer on a front surface of the semiconductor substrate; a first conductive type first semiconductor layer on at least one surface of the first intrinsic semiconductor layer; a second conductive type second semiconductor layer on a back surface of the semiconductor substrate; a second intrinsic semiconductor layer between the second semiconductor layer and the semiconductor substrate; a first conductive type third semiconductor layer on the back surface of the semiconductor substrate, the third semiconductor layer being spaced apart from the second semiconductor layer; and a third intrinsic semiconductor layer between the third semiconductor layer and the semiconductor substrate.Type: ApplicationFiled: March 21, 2016Publication date: September 22, 2016Inventors: Min-Seok OH, Doo-Youl LEE, Young-Jin KIM, Min PARK, Yun-Seok LEE, Nam-Kyu SONG, Dong-Seop KIM, Cho-Young LEE, Chan-Bin MO, Young-Su KIM, Hoon-Ha JEON, Yeon-Ik JANG, Jun-Ki HONG, Young-Sang PARK, Chan-Yoon JUNG
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Publication number: 20160118875Abstract: A DC-DC converter includes a power switch and a switching controller. The power switch is repetitively turned on and off for generating an output DC voltage based on an input DC voltage. The switching controller controls operation of the power switch, and includes a slew rate controller to adjust a slew rate of a switch voltage of an electrode of the power switch to vary with time.Type: ApplicationFiled: October 22, 2015Publication date: April 28, 2016Inventors: Jong-Jae LEE, Yang-Uk NAM, Jun-Ki HONG, Jun-Dal KIM, Jang-Hee PARK
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Patent number: 9293614Abstract: A solar cell including a first conductive type semiconductor substrate; a first intrinsic semiconductor layer on a front surface of the semiconductor substrate; a first conductive type first semiconductor layer on at least one surface of the first intrinsic semiconductor layer; a second conductive type second semiconductor layer on a back surface of the semiconductor substrate; a second intrinsic semiconductor layer between the second semiconductor layer and the semiconductor substrate; a first conductive type third semiconductor layer on the back surface of the semiconductor substrate, the third semiconductor layer being spaced apart from the second semiconductor layer; and a third intrinsic semiconductor layer between the third semiconductor layer and the semiconductor substrate.Type: GrantFiled: August 3, 2012Date of Patent: March 22, 2016Assignee: Intellectual Keystone Technology LLCInventors: Min-Seok Oh, Doo-Youl Lee, Young-Jin Kim, Min Park, Yun-Seok Lee, Nam-Kyu Song, Dong-Seop Kim, Cho-Young Lee, Chan-Bin Mo, Young-Su Kim, Hoon-Ha Jeon, Yeon-Ik Jang, Jun-Ki Hong, Young-Sang Park, Chan-Yoon Jung
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Publication number: 20150194085Abstract: A driving voltage generating device, a display device including the same, and a method of generating a driving voltage are provided. The driving voltage generating device includes a driving voltage setting unit receiving initially set data on a driving voltage and a feedback voltage and outputting a control signal, a driving voltage trimmer receiving finely adjusted data on the driving voltage and adjusting the feedback voltage, and a DC to DC converter generating the driving voltage based on the control signal and an input voltage.Type: ApplicationFiled: June 17, 2014Publication date: July 9, 2015Inventors: YANG UK NAM, Jong Jae Lee, Bon-Sung Koo, Jun Dal Kim, Se Young Heo, Jun Ki Hong
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Publication number: 20140290726Abstract: A solar cell includes an optical absorption layer; a buffer layer on the optical absorption layer, the buffer layer having a band gap energy gradient; and a transparent electrode layer on the buffer layer, wherein a band gap energy of a lower surface of the buffer layer is higher than a band gap energy of an upper surface of the buffer layer.Type: ApplicationFiled: November 27, 2013Publication date: October 2, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Cho-Young LEE, Min-Seok OH, Yun-Seok LEE, Jun-Ki HONG
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Publication number: 20140130854Abstract: A photoelectric device includes: a semiconductor substrate including monocrystalline silicon and has first and second surfaces that are opposite to each other; a doping unit formed on the first surface of the semiconductor substrate; and an insulating layer that is formed between the doping unit and the second surface of the semiconductor substrate, wherein the doping unit includes: a first semiconductor layer including a first dopant doped in the monocrystalline silicon; and a second semiconductor layer including a second dopant doped in the monocrystalline silicon.Type: ApplicationFiled: July 23, 2013Publication date: May 15, 2014Applicant: SAMSUNG SDI CO., LTD.Inventors: Doo-Youl Lee, Sang-Jin Park, Yoon-Mook Kang, Hyoeng-Ki Kim, Chan-Bin Mo, Young-Sang Park, Kyoung-Jin Seo, Min-Sung Kim, Jun-Ki Hong, Heung-Kyoon Lim, Min-Chul Song, Sung-Chan Park, Dong-Seop Kim
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Patent number: 8637948Abstract: A photovoltaic device including a semiconductor substrate having a first surface and a second surface, the second surface being opposite to the first surface; a first passivation layer on the first surface; and a second passivation layer on the second surface, wherein each of the first passivation layer and the second passivation layer comprises an aluminum-based compound, is disclosed. A method of preparing a photovoltaic device, the method including: forming a semiconductor substrate to have a first surface and a second surface, the second surface being opposite to the first surface; forming an emitter region and a back surface field (BSF) region at the second surface; and forming a first passivation layer on the first surface and a second passivation layer on the second surface, wherein the first passivation layer and the second passivation layer are formed concurrently, is also disclosed.Type: GrantFiled: July 18, 2012Date of Patent: January 28, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Hyun-Jong Kim, Czang-Ho Lee, Min Park, Kyoung-Jin Seo, Sang-Won Lee, Jun-Ki Hong, Byoung-Gook Jeong
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Publication number: 20130175648Abstract: A photovoltaic device including a semiconductor substrate having a first surface and a second surface, the second surface being opposite to the first surface; a first passivation layer on the first surface; and a second passivation layer on the second surface, wherein each of the first passivation layer and the second passivation layer comprises an aluminum-based compound, is disclosed. A method of preparing a photovoltaic device, the method including: forming a semiconductor substrate to have a first surface and a second surface, the second surface being opposite to the first surface; forming an emitter region and a back surface field (BSF) region at the second surface; and forming a first passivation layer on the first surface and a second passivation layer on the second surface, wherein the first passivation layer and the second passivation layer are formed concurrently, is also disclosed.Type: ApplicationFiled: July 18, 2012Publication date: July 11, 2013Inventors: Hyun-Jong Kim, Czang-Ho Lee, Min Park, Kyoung-Jin Seo, Sang-Won Lee, Jun-Ki Hong, Byoung-Gook Jeong