Patents by Inventor Ki-Hwan Oh
Ki-Hwan Oh 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: 20240105100Abstract: A pixel including a light emitting device, a first transistor including a first electrode connected to a first node electrically connected to a first power source, a second transistor connected between a data line and the first node and turned on in response to a first scan signal supplied to a first scan line, a third transistor connected between a third node connected to a second electrode of the first transistor and a second node and turned on in response to a second scan signal supplied to a second scan line, a fourth transistor turned on in response to a third scan signal, and a storage capacitor connected between the first power source and the second node, in which the second scan signal overlaps the first scan signal, and a width of the second scan signal is greater than twice a width of the first scan signal.Type: ApplicationFiled: December 7, 2023Publication date: March 28, 2024Inventors: Hai Jung IN, Ki Myeong EOM, Kyong Hwan OH
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Patent number: 11935458Abstract: A display device includes: a first pixel connected to a first data line and a first scan line; a second pixel connected to the first data line and a second scan line; a first scan driver connected to a first scan start line and the first scan line; and a second scan driver connected to a second scan start line and the second scan line. In a first frame period, the second scan start line is to be suppled with a second scan start signal having a turn-on level, after a first period elapses after a first scan start signal having a turn-on level is supplied to the first scan start line. In a second frame period, a difference between a time at which the first scan start signal having the turn-on level is supplied and a time at which the second scan start signal having the turn-on level is supplied corresponds to a second period. The second period is shorter than the first period.Type: GrantFiled: June 27, 2022Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Ji Hyun Ka, Ki Myeong Eom, Kyong Hwan Oh, Hai Jung In
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Patent number: 11926558Abstract: The present specification relates to a conductive structure body, a method for manufacturing the same, and an electrode and an electronic device including the conductive structure body.Type: GrantFiled: March 28, 2016Date of Patent: March 12, 2024Assignee: LG CHEM LTD.Inventors: Ilha Lee, Seung Heon Lee, Song Ho Jang, Dong Hyun Oh, Ji Young Hwang, Ki-Hwan Kim, Han Min Seo, Chan Hyoung Park, Sun Young Park
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Patent number: 11093076Abstract: The present invention relates to a design for optimally mounting a Touch Drive (IC) (TDI) signal line and a Display Drive IC (DDI) signal line of a display apparatus having a touch function. According to the display apparatus having a touch function and the method of mounting the signal line of the display apparatus according to the present invention, the TDI signal line and the DDI signal line are mounted so as not to overlap in the bending region on the same flexible substrate, thereby preventing the problem, such as cracks, in the related art. Further, according to the display apparatus having a touch function and the method of mounting the signal line of the display apparatus according to the present invention, it is possible to easily manufacture a full-screen display apparatus by reducing a length of a fan-out area of the TDI signal line.Type: GrantFiled: March 4, 2019Date of Patent: August 17, 2021Assignee: G2TOUCH Co., LTD.Inventors: Hyung Guel Kim, Jong Bae Lee, Ki Hwan Oh, Hwa Joo Noh
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Patent number: 11042246Abstract: The present invention relates to a display device having a touch detection function, and relates to a touch pad which is capable of detecting a contact touch and a contactless touch, a method of detecting a touch by using the same, and a display device including the same. According to the touch pad, the method of detecting a touch by using the touch pad, and the display device including the touch pad of the present invention, it is possible to simultaneously detect a contact touch and a contactless touch, and increase touch sensitivity by additionally applying a driving back voltage.Type: GrantFiled: April 11, 2019Date of Patent: June 22, 2021Assignee: G2TOUCH Co., LTD.Inventors: Young Woo Yun, Tae Wook Kim, Hwa Joo Noh, Ki Hwan Oh
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Publication number: 20210011572Abstract: The present invention relates to a design for optimally mounting a Touch Drive (IC) (TDI) signal line and a Display Drive IC (DDI) signal line of a display apparatus having a touch function. According to the display apparatus having a touch function and the method of mounting the signal line of the display apparatus according to the present invention, the TDI signal line and the DDI signal line are mounted so as not to overlap in the bending region on the same flexible substrate, thereby preventing the problem, such as cracks, in the related art. Further, according to the display apparatus having a touch function and the method of mounting the signal line of the display apparatus according to the present invention, it is possible to easily manufacture a full-screen display apparatus by reducing a length of a fan-out area of the TDI signal line.Type: ApplicationFiled: March 4, 2019Publication date: January 14, 2021Inventors: Hyung Guel KIM, Jong Bae LEE, Ki Hwan OH, Hwa Joo NOH
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Publication number: 20190369772Abstract: The present invention relates to a display device having a touch detection function, and relates to a touch pad which is capable of detecting a contact touch and a contactless touch, a method of detecting a touch by using the same, and a display device including the same. According to the touch pad, the method of detecting a touch by using the touch pad, and the display device including the touch pad of the present invention, it is possible to simultaneously detect a contact touch and a contactless touch, and increase touch sensitivity by additionally applying a driving back voltage.Type: ApplicationFiled: April 11, 2019Publication date: December 5, 2019Inventors: Young Woo YUN, Tae Wook KIM, Hwa Joo Noh, Ki Hwan OH
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Patent number: 10290446Abstract: A trip device for a circuit breaker includes: a crossbar rotatably installed to perform the trigger function; and bimetal that is curved upon the occurrence of an abnormal current and presses and rotates the crossbar by means of a gap adjustment member. The crossbar is movable in the direction of a rotating shaft of the crossbar, and the gap adjustment member is attached to and detached from either the crossbar or the bimetal at varying angles so that a contact surface is parallel or at an angle to the direction of movement of the crossbar.Type: GrantFiled: September 19, 2014Date of Patent: May 14, 2019Assignee: LSIS CO., LTD.Inventor: Ki Hwan Oh
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Patent number: 9691559Abstract: A circuit breaker includes: fixed contact points; and a moving contact assembly. The moving contact assembly includes: a shaft; a moving contact that is held in the shaft; and springs that apply torque to the moving contact. The shaft includes: stopping faces that are formed in a direction opposite to the direction in which the moving contact rotates; and guiding faces that are curved from the stopping faces. The moving contact includes: first surfaces that are formed on the radius of rotation of the moving contact; and sliding surfaces that are located at an angle to the first surfaces and slanted toward the center of rotation with respect to the line of action of a tangential force of torque at the points of contact with the guiding faces.Type: GrantFiled: October 27, 2014Date of Patent: June 27, 2017Assignee: LSIS CO., LTD.Inventor: Ki Hwan Oh
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Patent number: 9343245Abstract: A molded case circuit breaker, includes: a case; a power side terminal portion and a load side terminal portion formed at two sides of the case; a mounter installed at the terminal portion with a structure to enclose a terminal connector connected to the terminal portion, wherein the mounter includes: a mounting surface for mounting the terminal connector; insulation surfaces extending from two side edges of the mounting surface, and spaced from each other; and a cover surface having an opening, and formed on outer side surfaces of the insulation surfaces so as to cross the insulation surfaces and the mounting surface. Under such configuration, a regulated insulation distance can be obtained, and the terminal connector can be supported more stably.Type: GrantFiled: July 29, 2014Date of Patent: May 17, 2016Assignee: LSIS CO., LTD.Inventor: Ki Hwan Oh
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Publication number: 20150136578Abstract: A circuit breaker includes: fixed contact points; and a moving contact assembly. The moving contact assembly includes: a shaft; a moving contact that is held in the shaft; and springs that apply torque to the moving contact. The shaft includes: stopping faces that are formed in a direction opposite to the direction in which the moving contact rotates; and guiding faces that are curved from the stopping faces. The moving contact includes: first surfaces that are formed on the radius of rotation of the moving contact; and sliding surfaces that are located at an angle to the first surfaces and slanted toward the center of rotation with respect to the line of action of a tangential force of torque at the points of contact with the guiding faces.Type: ApplicationFiled: October 27, 2014Publication date: May 21, 2015Applicant: LSIS CO., LTD.Inventor: Ki Hwan OH
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Publication number: 20150129400Abstract: A molded case circuit breaker, includes: a case; a power side terminal portion and a load side terminal portion formed at two sides of the case; a mounter installed at the terminal portion with a structure to enclose a terminal connector connected to the terminal portion, wherein the mounter includes: a mounting surface for mounting the terminal connector; insulation surfaces extending from two side edges of the mounting surface, and spaced from each other; and a cover surface having an opening, and formed on outer side surfaces of the insulation surfaces so as to cross the insulation surfaces and the mounting surface. Under such configuration, a regulated insulation distance can be obtained, and the terminal connector can be supported more stably.Type: ApplicationFiled: July 29, 2014Publication date: May 14, 2015Applicant: LSIS CO., LTD.Inventor: Ki Hwan OH
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Publication number: 20150107972Abstract: A trip device for a circuit breaker disclosed herein includes a first terminal connected to a power source side, a second terminal connected to a load side, and a bimetal having one side connected with the first terminal and the other side connected with the second terminal, such that a current can flow therethrough, wherein the bimetal comes in surface-contact with at least one of the first terminal and the second terminal, with interposing an arc-resistive member therebetween.Type: ApplicationFiled: July 23, 2014Publication date: April 23, 2015Applicant: LSIS CO., LTD.Inventor: Ki Hwan OH
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Publication number: 20150109091Abstract: A trip device for a circuit breaker includes: a crossbar rotatably installed to perform the trigger function; and bimetal that is curved upon the occurrence of an abnormal current and presses and rotates the crossbar by means of a gap adjustment member. The crossbar is movable in the direction of a rotating shaft of the crossbar, and the gap adjustment member is attached to and detached from either the crossbar or the bimetal at varying angles so that a contact surface is parallel or at an angle to the direction of movement of the crossbar.Type: ApplicationFiled: September 19, 2014Publication date: April 23, 2015Applicant: LSIS CO., LTD.Inventor: Ki Hwan OH
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Patent number: 8752415Abstract: The present invention relates to a method of measuring engine oil deterioration, including measuring the first absorbance of engine oil using near infrared at a wavelength of 1000 nm or more, measuring the second absorbance of the engine oil during use using near infrared at the wavelength, and comparing the first absorbance and the second absorbance of the engine oil, so that the engine oil may be determined to be in a state of deterioration when the second absorbance may be at least 1.5 times the first absorbance, and to a system for measuring engine oil deterioration therefor.Type: GrantFiled: December 11, 2011Date of Patent: June 17, 2014Assignees: Hyundai Motor Company, Korea Research Institute of Chemical TechnologyInventors: Won Gyu Kim, Ki Hwan Oh, Keun Woo Chung, Young-Wun Kim
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Publication number: 20130047708Abstract: The present invention relates to a method of measuring engine oil deterioration, including measuring the first absorbance of engine oil using near infrared at a wavelength of 1000 nm or more, measuring the second absorbance of the engine oil during use using near infrared at the wavelength, and comparing the first absorbance and the second absorbance of the engine oil, so that the engine oil may be determined to be in a state of deterioration when the second absorbance may be at least 1.5 times the first absorbance, and to a system for measuring engine oil deterioration therefor.Type: ApplicationFiled: December 11, 2011Publication date: February 28, 2013Applicants: Korea Research Institute of Chemical Technology, Hyundai Motor CompanyInventors: Won Gyu KIM, Ki Hwan Oh, Keun Woo Chung, Young-Wun Kim
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Publication number: 20120270070Abstract: Disclosed are a hybrid copper alloy with high strength, high elastic modulus, high corrosion-resistance, wear resistance, and high conductivity and a method for producing the same. The hybrid copper alloy has a bi- or multi-layer structure in which (A) a copper alloy Cu (A) selected from the group consisting of Cu—Zn, Cu—Al, Cu—Ni—Zn, Cu—Ni—Si, Cu—Ni—Sn and Cu—Ni—Si—Sn is bonded to a copper alloy Cu (B) selected from the group consisting of Cu—Cr, Cu—Zr, Cu—Ag, Cu—Mg and Cu—Cr—Zr or molten alloys of a copper alloy Cu (A) and a copper alloy Cu (B) are cast in parallel such that a joint interface between these alloys is present. The hybrid copper alloy exhibits high strength, high elasticity, high corrosion resistance, abrasion resistance and high conductivity that cannot be obtained by a single copper alloy known to date.Type: ApplicationFiled: February 7, 2012Publication date: October 25, 2012Applicant: The Industry & Academic Coorporation in Chungnam National University (IAC)Inventors: Sun Ig HONG, Ki Hwan OH
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Publication number: 20110288241Abstract: The present invention features a donor-acceptor rod-coil diblock copolymer for an organic solar cell and a method for synthesizing the same. In certain embodiments, the present invention features a donor-acceptor rod-coil diblock copolymer for an organic solar cell based on polythiophene and fullerene and a method for synthesizing the same. Preferably, the block copolymer exhibits a nanofibrillar structure in solid film and, when added to an active layer of a bulk heterojunction organic solar cell consisting of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) as a compatibilizing agent, improves efficiency and stability of the solar cell.Type: ApplicationFiled: September 13, 2010Publication date: November 24, 2011Applicants: UNIST ACADEMY-INDUSTRY RESEARCH CORPORATION, HYUNDAI MOTOR COMPANYInventors: Ki Hwan Oh, ChangDuk Yang, Jin Young Kim, MyoungHee Yun, JongGi Kim, Yong Jun Jang
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Patent number: 7786831Abstract: A modular terminal for a molded case circuit breaker by which various types of terminals can be joined together and configuration and assembly are simplified, the modular terminal comprising a plurality of terminal bases each of which is provided for each phase, a terminal which is detachably supported at each terminal base, and a joint piece which connects a pair of the terminal bases adjacent to each other to form a terminal module.Type: GrantFiled: May 23, 2007Date of Patent: August 31, 2010Assignee: LS Industrial Systems Co., Ltd.Inventor: Ki-Hwan Oh
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Patent number: 7538644Abstract: Disclosed is a multi-pole circuit breaker. The multi-pole circuit breaker includes: a substrate disposed between the single pole breaking unit, spaced relatively far from the switching mechanism as compared to the other single pole breaking units among the plurality of single breaking units, and the adjacent single pole breaking unit; a link mechanism rotatably supported on the substrate; and springs having one ends supported by the substrate and the other ends supported by the link mechanism.Type: GrantFiled: September 25, 2006Date of Patent: May 26, 2009Assignee: LS Industrial Systems Co., Ltd.Inventor: Ki-Hwan Oh