Patents by Inventor Yoon Hyun Lee
Yoon Hyun Lee 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: 11997900Abstract: A display panel includes two or more gate layers including a plurality of gate patterns extending in a first direction and one or more source-drain layers including a plurality of source-drain patterns extending in a second direction crossing the first direction. The gate patterns of the two or more gate layers are curved or bent along a hole surrounding area corresponding to a periphery of a hole in an active area. The source-drain patterns of the one or more source-drain layers are curved or bent along the hole surrounding area. The gate patterns of at least one of the two or more gate layers overlap the source-drain patterns of at least one of the one or more source-drain layers in a thickness direction of the display panel in the hole surrounding area.Type: GrantFiled: September 19, 2022Date of Patent: May 28, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kyunghyun Baek, Seok Je Seong, Hyeonsik Kim, Yoonjee Shin, Jae Hyun Lee, Woo Ho Jeong, Yoon-Jong Cho
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Publication number: 20240170669Abstract: Lithium secondary batteries are disclosed. In an embodiment, a lithium secondary battery includes an anode including an anode active material that includes carbon-based active material particles including carbon, the carbon-based active material particles having a Brunauer-Emmett-Teller (BET) specific surface area of 3.0 m2/g to 5.0 m2/g and an average particle diameter (D50) of 5?m to 7.5 ?m, a cathode facing the anode, and a non-aqueous electrolyte solution including a non-aqueous organic solvent that includes a propionate-based organic solvent including propionate and a lithium salt. A content of the propionate-based organic solvent relative to a total volume of the non-aqueous organic solvent is 55 vol % or more.Type: ApplicationFiled: November 17, 2023Publication date: May 23, 2024Inventors: Eun Jin KIM, You Kyung PARK, Jung Hyun SEO, Eun Sam CHO, Jeong Tae HWANG, Mi Ryeong LEE, Yoon Ji LEE
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Publication number: 20240170661Abstract: Embodiments of the present invention provide a cathode active material for a lithium secondary battery including lithium-transition metal composite oxide particles. The lithium-transition metal composite oxide particles have a (113) plane FWHM change rate of 75% or less, which is measured through in-situ X-ray diffraction (XRD) and defined by Equation 1. Thereby, life-span characteristics of the lithium secondary battery may be improved by preventing a lattice structure and/or a crystal structure in lithium-transition metal composite oxide particles from being deformed.Type: ApplicationFiled: March 10, 2023Publication date: May 23, 2024Inventors: Yoon Ji LEE, Seung Hyun KIM, Hong Ki KIM, Min Gu KANG
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Publication number: 20240154112Abstract: A cathode active material for a lithium secondary battery according to an embodiment includes lithium metal oxide particles containing lithium and nickel, and containing a small amount of cobalt or no cobalt. An average particle diameter, a modulus and a hardness of the lithium metal oxide particles are adjusted to satisfy a desired relation. A lithium secondary battery has improved high-temperature storage properties, structural stability and high power properties.Type: ApplicationFiled: October 24, 2023Publication date: May 9, 2024Inventors: Hong Ki KIM, Min Gu KANG, Seung Hyun KIM, Young Hoon DO, Young Uk PARK, Yoon Ji LEE, Yong Hyun CHO
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Publication number: 20240153967Abstract: A display device includes a substrate having a first surface on which a light emitting element is located, a second surface on which a driving unit for driving the light emitting element is located, the second surface being opposite the first surface, and a first side surface between the first surface and the second surface, a first pad on the first surface of the substrate and electrically connected to the light emitting element, a second pad on the second surface of the substrate and electrically connected to the driving unit, and a side wiring on the first surface, the second surface, and the first side surface of the substrate to electrically connect the first pad and the second pad. The side wiring includes a first side wiring and a second side wiring spaced from each other.Type: ApplicationFiled: November 7, 2023Publication date: May 9, 2024Inventors: Yong Duck SON, Dong Hyun WON, Yoon Ho LEE, Hoon LEE
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Patent number: 11969707Abstract: The method for preparing a super absorbent polymer according to the present disclosure has a feature that it is possible to reduce the generation of a fine powder during production of the super absorbent polymer while maintaining excellent physical properties of the super absorbent polymer, including centrifuge retention capacity (CRC) and vortex removal time.Type: GrantFiled: November 8, 2019Date of Patent: April 30, 2024Assignee: LG Chem, Ltd.Inventors: Jaeyul Kim, Jong Hun Song, Gicheul Kim, Yoon Jae Min, Ki Hyun Kim, Seul Ah Lee, In Yong Jeong, Heechang Woo
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Publication number: 20240130111Abstract: A semiconductor device may comprise: a plurality of lower electrodes which are on a substrate; a first electrode support which is between adjacent lower electrodes and comprises a metallic material; a dielectric layer which is on the lower electrodes and the first electrode support to extend along profiles of the first electrode support and each of the lower electrodes; and an upper electrode which is on the dielectric layer.Type: ApplicationFiled: December 26, 2023Publication date: April 18, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Yoon Young CHOI, Seung Jin KIM, Byung-Hyun LEE, Sang Jae PARK
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Patent number: 11951803Abstract: A heating, ventilation, and air conditioning (HVAC) system for a cargo vehicle includes an evaporator, a first door, a condenser, a second door, a freezing room, a refrigerating room, a warming room, and a controller, wherein the controller is configured to control an amount of opening of each of the first internal air and external air door, the second internal air and external air door, the first door, and the second door and an amount of driving of each of the evaporator and the condenser in response to an outside air condition of a vehicle, controlling temperature of each of the freezing room, the refrigerating room, and the warming room.Type: GrantFiled: October 6, 2022Date of Patent: April 9, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Sang Shin Lee, Yoon Hyung Lee, Byoung Hyun Ji
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Patent number: 11950501Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.Type: GrantFiled: October 18, 2022Date of Patent: April 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
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Publication number: 20240107840Abstract: A display device includes a first semiconductor layer disposed on a substrate; a first insulating layer disposed on the first semiconductor layer; a scan line disposed on the first insulating layer; a second insulating layer on the scan line; an inverted scan line on the second insulating layer; a third insulating layer disposed on the inverted scan line; a second semiconductor layer disposed on the third insulating layer; a fourth insulating layer disposed on the second semiconductor layer; an initializing voltage line disposed on the fourth insulating layer and overlapping the scan line; a first transistor including a channel disposed in the first semiconductor layer and receiving a gate signal through the scan line; and a second transistor including a channel disposed in the second semiconductor layer and receiving a gate signal through the inverted scan line.Type: ApplicationFiled: December 1, 2023Publication date: March 28, 2024Applicant: Samsung Display Co., LTD.Inventors: Se Wan SON, Moo Soon KO, Kyung Hyun BAEK, Seok Je SEONG, Jae Hyun LEE, Jeong-Soo LEE, Ji Seon LEE, Yoon-Jong CHO
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Publication number: 20240099081Abstract: A flexible display device including a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Ki Hyun CHO, Yong Jae PARK, Sang Jo LEE, Won Suk CHOI, Yoon Sun CHOI
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Publication number: 20240079642Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.Type: ApplicationFiled: January 11, 2022Publication date: March 7, 2024Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTEInventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
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Publication number: 20240072298Abstract: Provided is a lithium secondary battery, and the lithium secondary battery of the present invention includes: a positive electrode including a first lithium-metal oxide including secondary particles formed by aggregating primary particles having a particle diameter of 2 ?m or less and a second lithium-metal oxide including nickel and at least one or more metals selected from the group consisting of manganese (Mn) and cobalt (Co) and including particles having a primary particle diameter of 2 ?m or more; a negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, wherein the electrolyte includes a lithium salt, a nonaqueous organic solvent, and a difluorophosphite compound containing at least one or more difluorophosphite groups.Type: ApplicationFiled: October 3, 2023Publication date: February 29, 2024Inventors: Young Hoon DO, Yoon Ji LEE, Yong Hyun CHO, In Haeng CHO
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Patent number: 9752641Abstract: Provided is a magnetorheological (MR) damper, which includes a cylinder filled with an MR fluid, a piston rod extending to the outside of the cylinder, and a magnetic generator partitioning the inside of the cylinder into a compression chamber and a rebound chamber in a state of being connected to the piston rod and generating an electromagnetic force to the inside, the MR damper including: a magnetic core connected to a lower end of the piston rod; a flux ring connected to an edge of the magnetic core, such that a side surface of the flux ring tightly contacts an inner peripheral surface of the cylinder, the flux ring being formed to vertically penetrate through a main passage between the flux ring and the magnetic core; and a cutaway groove concavely formed at a side surface of the magnetic core and preventing a magnetic force from being unnecessarily formed at a setting portion of the main passage, such that the MR fluid is vertically bypassed during compression and rebound strokes.Type: GrantFiled: March 8, 2016Date of Patent: September 5, 2017Assignee: MANDO CORPORATIONInventor: Yoon Hyun Lee
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Publication number: 20160265617Abstract: Provided is a magnetorheological (MR) damper, which includes a cylinder filled with an MR fluid, a piston rod extending to the outside of the cylinder, and a magnetic generator partitioning the inside of the cylinder into a compression chamber and a rebound chamber in a state of being connected to the piston rod and generating an electromagnetic force to the inside, the MR damper including: a magnetic core connected to a lower end of the piston rod; a flux ring connected to an edge of the magnetic core, such that a side surface of the flux ring tightly contacts an inner peripheral surface of the cylinder, the flux ring being formed to vertically penetrate through a main passage between the flux ring and the magnetic core; and a cutaway groove concavely formed at a side surface of the magnetic core and preventing a magnetic force from being unnecessarily formed at a setting portion of the main passage, such that the MR fluid is vertically bypassed during compression and rebound strokes.Type: ApplicationFiled: March 8, 2016Publication date: September 15, 2016Inventor: Yoon Hyun LEE
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Patent number: 9022188Abstract: A dust seal structure for a shock absorber includes a cylindrical base shell, in which a piston valve and a piston rod are embedded, a cap member covering one end of the base shell, an oil seal sealing the base shell, and a dust sealing member blocking dusts from being introduced at one side of the oil seal.Type: GrantFiled: July 3, 2012Date of Patent: May 5, 2015Assignee: Mando CorporationInventors: Yoon Hyun Lee, Ki Haeng Cho
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Patent number: 8556281Abstract: A bracket is provided to mount a shock absorber to a vehicle body. The bracket is configured to couple a distal end of a piston rod of the shock absorber to a vehicle body. The bracket is molded of a plastic material and includes a body having a recess formed thereon, the recess allowing a bush assembly to be inserted therein, and a flange extending from the body. The bracket is molded integrally with a metal insert.Type: GrantFiled: November 10, 2009Date of Patent: October 15, 2013Assignee: Mando CorporationInventors: Yoon Hyun Lee, Myung Hwa Hyun
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Publication number: 20130146408Abstract: A dust seal structure for a shock absorber includes a cylindrical base shell, in which a piston valve and a piston rod are embedded, a cap member covering one end of the base shell, an oil seal sealing the base shell, and a dust sealing member blocking dusts from being introduced at one side of the oil seal.Type: ApplicationFiled: July 3, 2012Publication date: June 13, 2013Inventors: Yoon Hyun LEE, Ki Haeng Cho
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Publication number: 20100117325Abstract: A bracket is provided to mount a shock absorber to a vehicle body. The bracket is configured to couple a distal end of a piston rod of the shock absorber to a vehicle body. The bracket is molded of a plastic material and includes a body having a recess formed thereon, the recess allowing a bush assembly to be inserted therein, and a flange extending from the body. The bracket is molded integrally with a metal insert.Type: ApplicationFiled: November 10, 2009Publication date: May 13, 2010Applicant: MANDO CORPORATIONInventors: Yoon Hyun Lee, Myung Hwa Hyun