Patents by Inventor Yong-Hee Lee
Yong-Hee 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: 11935984Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.Type: GrantFiled: December 14, 2022Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Seok Han, Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Kun Su Park, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang
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Patent number: 11934204Abstract: An autonomous driving apparatus and method, in which the autonomous driving apparatus may include a sensor unit configured to detect a surrounding object including a surrounding vehicle around an ego vehicle that autonomously travels, a memory configured to store map information, and a processor configured to control autonomous driving of the ego vehicle based on an expected driving trajectory generated based on the map information stored in the memory.Type: GrantFiled: May 12, 2020Date of Patent: March 19, 2024Assignee: Hyundai Mobis Co., Ltd.Inventors: Yong Kwan Ji, Jun Han Lee, Jeong Hee Lee
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Publication number: 20240087538Abstract: A display device according to an exemplary embodiment of the present disclosure includes a light emitting diode and a pixel driving circuit which drives the light emitting diode, the pixel driving circuit includes a driving transistor which applies a driving current to the light emitting diode, a first transistor which applies a first reference voltage to a gate electrode of the driving transistor, a second transistor which applies a data voltage to the gate electrode of the driving transistor, a third transistor which applies a second reference voltage to a source electrode of the driving transistor, and a storage capacitor connected to the gate electrode and the source electrode of the driving transistor. According to the present disclosure, the threshold voltage Vth and the mobility of the driving transistors are internally compensated to improve an image quality.Type: ApplicationFiled: September 6, 2023Publication date: March 14, 2024Applicants: LG Display Co., Ltd., Industry-University Cooperation Foundation Hanyang UniversityInventors: Harkjin KIM, Kwanghwan JI, Byong-Deok CHOI, Bum Sik KIM, Dong Young KIM, Yong Duck KIM, June Hee LEE
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Patent number: 11925672Abstract: The present invention provides a functional peptide having excellent antioxidant activity, the peptide having excellent biocompatibility and significantly better antioxidant activity than conventional GSHs in order to overcome the limitation of the weak antioxidant activity of existing peptides. The peptide of the present invention can promote antioxidant activity or effectively repair biological tissue or cell damage caused by reactive oxygen species generated due to oxidative stress. Therefore, the peptide having such antioxidant activity effectively acts on cell damage caused by oxidative stress, and can thus be used to prevent and repair cell damage.Type: GrantFiled: August 8, 2019Date of Patent: March 12, 2024Assignee: SEMPIO FOODS COMPANYInventors: Dae Hee Lee, Haet Nim Um, Moon Kyung Jeong, Mi Na Hong, Jung Hee Park, Yong Hahk Park, Byung Serk Hurh
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Publication number: 20240079568Abstract: A lithium secondary battery includes a cathode, a separator, and an anode including an anode current collector and an anode active material layer formed on the anode current collector and facing the cathode with the separator interposed therebetween. The anode active material layer includes a first anode active material layer formed on the anode current collector and including a first anode active material and a first anode binder containing a styrene-butadiene-based rubber (SBR) binder and a second anode active material layer formed on the first anode active material layer and including a second anode active material and a second anode binder containing a acryl-based binder. Each of the first anode active material and the second anode active material includes a silicon-based active material and a graphite-based material and contains 2 to 9.5 parts by weight of silicon with respect to the 100 part by weight of the graphite-based active material.Type: ApplicationFiled: October 25, 2023Publication date: March 7, 2024Inventors: Yong Seok LEE, Jung Hwan KIM, Myung Ro LEE, Sang Won BAE, Ji Hee BAE
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Publication number: 20240079186Abstract: Provided is a perovskite solar cell. The perovskite solar cell includes a bottom electrode; a hole transport layer formed on the bottom electrode; a first polymer electrolyte layer formed on the hole transport layer and including a halide; a perovskite photoactive layer formed on the first polymer electrolyte layer; an electron transport layer formed on the perovskite photoactive layer; a second polymer electrolyte layer formed on the electron transport layer and including an amine group; and a top electrode formed on the second polymer electrolyte layer.Type: ApplicationFiled: April 11, 2022Publication date: March 7, 2024Inventors: Kwang Hee LEE, Hee Joo KIM, Yong Ryun KIM
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Patent number: 11923383Abstract: A photomask according to an exemplary embodiment includes: a mask substrate; and a first test pattern and a second test pattern disposed along a first edge of the mask substrate, wherein the first test pattern has a first outer shape and a first inner shape, the second test pattern has a second outer shape, and the second outer shape of the second test pattern is larger than the first inner shape of the first test pattern and smaller than the first outer shape of the first test pattern.Type: GrantFiled: December 17, 2020Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Dong Hee Shin, Geun Ho Lee, Yong Hee Lee
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Publication number: 20240074258Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.Type: ApplicationFiled: May 5, 2023Publication date: February 29, 2024Inventors: Wan Jung KIM, Dong Jo KIM, Sun Hwa KIM, Young Ji KIM, Chang Sik KIM, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, Dae Sang YUN, Kwan Hee LEE, So Young LEE, Young Hoon LEE, Young Seo CHOI, Sun Young KIM, Ji Won SOHN, Do Young LEE, Seung Hoon LEE
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Publication number: 20240067056Abstract: The present disclosure relates to a vehicle rear seat including: a center seat; and side seats located on the left and right of the center seat, wherein, the center seat is capable of protruding by moving the center seat forward with respect to the side seats, and in the state in which the center seat protrudes forward, it is possible to increase an inter-passenger distance so that physical contact between the passenger of the center seat and the passenger of each of the side seats can be prevented as much as possible.Type: ApplicationFiled: March 6, 2023Publication date: February 29, 2024Inventors: Jung Sang You, Yong Chul Kim, Dae Hee Lee, Eun Sue Kim, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Jun Sik Hwang, Gwon Hwa Bok
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Patent number: 11907892Abstract: The present disclosure provides systems and methods for delivering packages to customers, comprising a memory storing instructions and a processor configured to execute the instructions to receive, from a first user device in a fulfillment center, a package identifier associated with a package for delivery to a customer, modify a database to assign the package identifier to a group, among a plurality of groups, based on a delivery address associated with the package identifier and a location of a camp to which the package is routed, generate a map of the plurality of groups, send the map for display on a second user device in the camp, and send for display an activatable icon on a location on the map, wherein the location of the activatable icon on the map is associated with the delivery address of the package.Type: GrantFiled: March 31, 2021Date of Patent: February 20, 2024Assignee: COUPANG CORP.Inventors: Yulhee Lee, Hye Leen Choi, Yong Hee Lee, Moon Jung Jang, Sun Hee Hwang, Jeongho Pi
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Patent number: 11908710Abstract: A substrate processing apparatus includes a substrate cleaning unit cleaning a substrate, a substrate drying unit drying the substrate, and a transfer robot transferring the substrate between the substrate cleaning unit and the substrate drying unit. The substrate drying unit includes a substrate processing container having a substrate processing space accommodating the substrate, and the transfer robot includes a surface temperature measurement sensor measuring a surface temperature of the substrate processing container.Type: GrantFiled: November 8, 2021Date of Patent: February 20, 2024Assignee: SEMES CO., LTD.Inventors: Jin Woo Jung, Do Hyeon Yoon, Yong Hee Lee
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Patent number: 11900895Abstract: A display device including a first substrate, a gate line disposed on the first substrate and extending in a first direction and a data line disposed on the first substrate and extending in a second direction that crosses the first direction. A drain electrode is disposed on the first substrate. A first electrode is configured to connect with the drain electrode. The first electrode includes a first stem portion that extends in the first direction. The data line includes a first protruding portion and a second protruding portion. The first protruding portion and the second protruding portion have a larger width in the first direction than other portions of the data line. The first protruding portion overlaps the first stem portion of the first electrode in a third direction that is perpendicular to an upper surface of the first substrate.Type: GrantFiled: March 4, 2021Date of Patent: February 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hee Shin, Yong Hee Lee, Geun Ho Lee
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Publication number: 20240046805Abstract: A method of determining a cloud base through meteorological observation of an atmospheric research aircraft is provided. The method may include collecting meteorological observation information by performing meteorological observation while the atmospheric research aircraft changes a flight altitude, determining a flight altitude that satisfies a plurality of conditions by using the collected meteorological observation information, and determining the determined flight altitude to be a cloud base height. The plurality of conditions may include a first condition in which a liquid water content (LWC) is greater than a first threshold, a second condition in which relative humidity increases or decreases, and a third condition in which a cloud droplet number concentration is greater than a second threshold.Type: ApplicationFiled: November 28, 2022Publication date: February 8, 2024Inventors: Woonseon JUNG, Ki-Ho CHANG, Jung Mo KU, Yong Hee LEE
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Publication number: 20240036418Abstract: Provided is a display device. The display device comprises: a substrate including a display area having a plurality of pixels and a non-display area, a plurality of data lines connected to each of the plurality of pixels and extending in a first direction, a plurality of first gate lines connected to each of the plurality of pixels and extending in a second direction crossing the first direction, a plurality of second gate lines extending along the first direction from one end of the display area to a line contact portion contacting each of the plurality of first gate lines, and a plurality of off voltage lines extending in a direction opposite to the first direction from the other end of the display area opposite to one end of the display area to a periphery of the line contact portion and insulated from the plurality of second gate lines.Type: ApplicationFiled: June 16, 2023Publication date: February 1, 2024Inventors: Dong Hee SHIN, Geun Ho LEE, Yong Hee LEE
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Patent number: 11878286Abstract: The present invention relates to a catalyst for a hydrocarbon resin hydrogenation reaction and a preparation method for the same, wherein the catalyst is a nickel powder catalyst including nickel (Ni), copper (Cu), and sulfur (S), and more particularly, a nickel-based catalyst for a hydrogenation reaction, which is added to a hydrogenation reaction in order to improve the color of the hydrocarbon resin. According to an embodiment of the present invention, provided is a catalyst for a hydrogenation reaction, includes 40-80 parts by weight of nickel, 0.01-5 parts by weight of copper, 1-10 parts by weight of sulfur, and 10-60 parts by weight of a silica support based on 100 parts by weight of the entire dried catalyst including a support. Therefore, the catalyst can improve the quality of hydrocarbon resin. Furthermore, the catalyst can provide colorless, odorless, and transparent water-white hydrocarbon resin with improved thermal stability by removing unsaturated bonds in the hydrocarbon resin.Type: GrantFiled: October 28, 2019Date of Patent: January 23, 2024Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Woo Jin Park, Yong Hee Lee, Bong Sik Jeon, Eui Geun Jung, Wan Jae Myeong
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Publication number: 20240014421Abstract: Disclosed a fuel cell system including an air pump that injects air into a fuel cell stack, a purge valve that performs hydrogen purging based on an opening degree, and a controller that calculates a cumulative current of the fuel cell, and performs at least one of a first operation of controlling the number of rotations of the air pump based on the cumulative current, a second operation of controlling the opening degree of the purge valve, or a combination of the first operation and the second operation.Type: ApplicationFiled: July 5, 2023Publication date: January 11, 2024Applicant: HYUNDAI MOBIS CO., LTD.Inventor: Yong Hee LEE
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Publication number: 20240006570Abstract: A display device that includes a display area and a non-display area surrounding the display area, a substrate, pixels disposed in the display area of the substrate, a grounding part disposed in the non-display area of the substrate, and a flexible printed circuit board disposed in the non-display area of the substrate to apply a driving signal to drive the pixels, wherein the non-display area includes first through fourth portions, the fourth portion on which the flexible printed circuit board is disposed, and the second portion spaced-apart from the fourth portion by the display area, the grounding part including a first ground pattern and a second ground pattern that are arranged alternately in the second portion of the non-display area.Type: ApplicationFiled: March 29, 2023Publication date: January 4, 2024Applicant: Samsung Display Co., LTD.Inventors: Ji Hye LEE, Jin Seon KWAK, Kyung Bae KIM, Yong Hee LEE
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Publication number: 20230402630Abstract: A system and a method for controlling a fuel cell according to an embodiment are disclosed. The system for controlling a fuel cell includes a fuel cell, a hydrogen purge valve connected between the fuel cell and a hydrogen tank and configured to supply or cut off hydrogen to the fuel cell, and a controller configured to adjust an opening degree of the hydrogen purge valve based on an accumulated current value of the fuel cell calculated in advance and control a flow rate of the hydrogen.Type: ApplicationFiled: December 27, 2022Publication date: December 14, 2023Applicant: HYUNDAI MOBIS Co., Ltd.Inventor: Yong Hee LEE
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Patent number: 11842903Abstract: An apparatus for treating a substrate is provided. The apparatus for treating the substrate includes a high pressure chamber to provide a treatment space to perform a process of treating the substrate using a process fluid, a fluid supply source to provide the process fluid to the high pressure chamber, a fluid supply unit to supply the process fluid to the treatment space of the high pressure chamber, an exhaust unit to exhaust the process fluid in the high pressure chamber, and a pre-vent unit to vent a process fluid remaining inside a supply line.Type: GrantFiled: October 2, 2020Date of Patent: December 12, 2023Assignee: Semes Co., Ltd.Inventors: Miso Park, Yong Hee Lee
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Patent number: D1018486Type: GrantFiled: October 27, 2022Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Seo, Jae-Hyung Kim, Dae-Kyung Ahn, Kwan-Hee Lee