Patents by Inventor Se Young HEO
Se Young HEO 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: 20250066343Abstract: Provided are a cannabichromenic acid derivative, a method for preparing same, and a composition for cognitive function improvement comprising same, in which the cannabichromenic acid derivative exhibits acetylcholinesterase inhibitory activity and butyrylcholinesterase inhibitory activity, as well as inhibitory activity against monoamine oxidase B, therefore simultaneously treating a decrease in acetylcholine levels in brain tissue and a decrease in blood butyrylcholine levels, shown in patients with dementia, and providing a more effective cognitive function improvement treatment by preventing brain cell damage.Type: ApplicationFiled: November 15, 2022Publication date: February 27, 2025Applicant: K-MEDICHEM CO., LTD.Inventors: Koo Yeon LEE, Se-Hui JUNG, Hee-Young HEO, Ju Eun KIM, Chan Bin LEE
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Patent number: 10657904Abstract: A display device includes: a base substrate having a first surface and a second surface opposite the first surface, the base substrate including a plurality of pixels on the first surface of the base substrate; a protective layer on the second surface of the base substrate, the protective layer having a first opening; a light sensor corresponding to the first opening; and a circuit board on the protective layer. The light sensor is mounted on the circuit board.Type: GrantFiled: January 3, 2018Date of Patent: May 19, 2020Assignee: Samsung Display Co., Ltd.Inventors: Se Young Heo, Dong Ho Kim, Min Soo Kim
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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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Publication number: 20180204526Abstract: A display device includes: a base substrate having a first surface and a second surface opposite the first surface, the base substrate including a plurality of pixels on the first surface of the base substrate; a protective layer on the second surface of the base substrate, the protective layer having a first opening; a light sensor corresponding to the first opening; and a circuit board on the protective layer. The light sensor is mounted on the circuit board.Type: ApplicationFiled: January 3, 2018Publication date: July 19, 2018Inventors: Se Young Heo, Dong Ho Kim, Min Soo Kim
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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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Patent number: 9570027Abstract: A method of method of protecting a gate driver circuit configured to provide a gate line of a display panel with a gate signal includes generating a clock signal to drive the gate driver circuit, sensing an output current of the clock signal, detecting an overcurrent of the clock signal based on an overcurrent determining factor, determining whether the clock signal is in an overcurrent condition based on a count number of the overcurrent, generating a shutdown signal when the clock signal is in the overcurrent condition and blocking the clock signal from being applied to the gate driver circuit based on the shutdown signal.Type: GrantFiled: August 7, 2014Date of Patent: February 14, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun-Dal Kim, Jong-Jae Lee, Bon-Sung Koo, Yang-Uk Nam, Se-Young Heo
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Publication number: 20160203746Abstract: A display device includes: a display panel including a plurality of pixels; a driving circuit configured to control the plurality of pixels; and a power controller configured to apply an output voltage to the driving circuit and to receive a feedback signal indicating an input level of the output voltage applied at an input of the driving circuit. The power controller is configured to adjust an output level of the output voltage in response to the feedback signal.Type: ApplicationFiled: October 21, 2015Publication date: July 14, 2016Inventors: Jundal KIM, Sujin KIM, Yoonsik PARK, Jang hee PARK, Jong jae LEE, Se Young HEO, Junki HONG
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Publication number: 20150194800Abstract: A method of method of protecting a gate driver circuit configured to provide a gate line of a display panel with a gate signal includes generating a clock signal to drive the gate driver circuit, sensing an output current of the clock signal, detecting an overcurrent of the clock signal based on an overcurrent determining factor, determining whether the clock signal is in an overcurrent condition based on a count number of the overcurrent, generating a shutdown signal when the clock signal is in the overcurrent condition and blocking the clock signal from being applied to the gate driver circuit based on the shutdown signal.Type: ApplicationFiled: August 7, 2014Publication date: July 9, 2015Inventors: Jun-Dal KIM, Jong-Jae LEE, Bon-Sung KOO, Yang-Uk NAM, Se-Young HEO
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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: 20140078188Abstract: A driving device of a display device includes: a reference voltage generator configured to receive a high potential power supply voltage, a low potential power supply voltage and a medium power supply voltage and to generate reference voltages between the high potential power supply voltage and the low potential power supply voltage, where the low potential power supply voltage is lower than the high potential power supply voltage, and the medium power supply voltage has a value between the high potential power supply voltage and the low potential power supply voltage; a gray reference voltage generator configured to receive and divide the reference voltages and to generate gray reference voltages; and a data driver configured to receive the gray reference voltages and the high and medium potential power supply voltages, and to generate data voltages using the gray reference voltages and the high and medium potential power supply voltages.Type: ApplicationFiled: January 14, 2013Publication date: March 20, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Eui-Dong HWANG, Bon-Sung KOO, Jun Dal KIM, Jong Jae LEE, Se Young HEO