Patents by Inventor Seong-Hyun Park
Seong-Hyun Park 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: 20250070122Abstract: An anode for a secondary battery is provided, the anode for a secondary battery including: an anode current collector; a first anode mixture layer formed on at least one surface of the anode current collector, and including a first silicon-based active material and a first conductive material; and a second anode mixture layer formed on the first anode mixture layer, and including a second silicon-based active material and a second conductive material, wherein a content of the first silicon-based active material in the first anode mixture layer is lower than a content of the second silicon-based active material in the second anode mixture layer, and a Radial Breathing Mode (RBM) peak is observed in a Raman spectrum obtained from a surface of the second anode mixture layer.Type: ApplicationFiled: August 13, 2024Publication date: February 27, 2025Inventors: Hyo Mi KIM, Seong Cho KWON, Moon Sung KIM, Sang Baek RYU, Da Hye PARK, Sang Won PARK, Sang In BANG, Seung Hyun YOOK, Hwan Ho JANG, Da Bin CHUNG, Jun Hee HAN
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Publication number: 20250070149Abstract: A positive electrode active material precursor includes Ni and Mn and secondary particles formed by the aggregation of a plurality of primary particles. The secondary particles have a ratio of a core area to a total area of the particles ranging from 28.7% to 34.1%, and a porosity ranging from 11.3% to 11.7%. Also provided is a method for preparing the positive electrode active material precursor. Additionally, a positive electrode active material including a reaction product of the positive electrode active material precursor and a lithium raw material is provided. Also provided is a method for preparing a positive electrode active material using the positive electrode active material precursor.Type: ApplicationFiled: August 17, 2023Publication date: February 27, 2025Applicant: LG Chem, Ltd.Inventors: Byung Hyun Hwang, Nam II Kim, Hyun Jin Jung, Chan Ju Beak, Hye Youn Hwang, Hyun Ah Park, Seong Hoon Kang, Won Taek Hong, Won Tae Kim, Woo Hyun Kim, Jun Gil Kim, Ju Han Yoon, Young Su Park
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Patent number: 12238982Abstract: A display device includes: a substrate including a display area having a plurality of pixel areas and a non-display area surrounding at least one side of the display area; a light-blocking layer disposed on a first surface of the substrate and including light transmissive areas to allow incident light to pass therethrough; a circuit-element layer disposed on the light-blocking layer and including a plurality of conductive layers; a light-emitting element layer disposed on the circuit-element layer and including light-emitting elements; and a sensor layer disposed on a second surface of the substrate opposing the first surface to sense the light passing through the light transmissive areas. The light-blocking layer is electrically coupled to at least one of the plurality of conductive layers.Type: GrantFiled: June 4, 2020Date of Patent: February 25, 2025Assignee: Samsung Display Co., Ltd.Inventors: Eun Jin Sung, Seong Ryong Lee, Jae Kyoung Kim, Won Sang Park, Jong In Baek, Bong Hyun You
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Patent number: 12235669Abstract: An electronic pedal device includes an accelerator pedal module and a brake pedal module that operate in a pressure operation manner, whereby a driver may operate the same with a small force. The driver may easily recognize the operational state of the pedal based on a haptic signal generated during operation of the pedal. Because operation of the pedal is detected through a dual detecting structure using a Hall sensor and a pressure sensor, safety may be further ensured during operation of the pedal.Type: GrantFiled: July 10, 2023Date of Patent: February 25, 2025Assignees: Hyundai Motor Company, Kia Corporation, DONG HEE INDUSTRIAL CO., LTD.Inventors: Eun Sik Kim, Wi Sang Park, Jae Hyun Cho, Jung Min Lee, Seong Ju Jo
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Patent number: 12237313Abstract: A light emitting device filament includes a substrate, a plurality of light emitting diodes, two electrode pads, and a plurality of connection lines. The substrate includes a first surface and a second surface opposite to the first surface. The substrate extending in a first direction and having a width in a second direction. The plurality of light emitting diodes is disposed on the first surface of the substrate. The two electrode pads are disposed on the substrate. The plurality of connection lines electrically connects the plurality of light emitting diodes and the two electrode pads. The plurality of connection lines includes a first connection line and a second connection line. The first connection line, the second connection line, or both are formed in a direction inclined or curved with respect to the first direction or the second direction.Type: GrantFiled: December 7, 2022Date of Patent: February 25, 2025Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Jae Hyun Park, Seong Jin Lee, Jong Kook Lee
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Patent number: 12237517Abstract: A pouch type battery case for a secondary battery, which accommodates an electrode assembly, in which electrodes and separators are stacked, includes a first cup part and a second cup part, which are recessed in a pouch film, respectively; an accommodation part, which is provided in a longitudinal direction of edges of the first cup part and the second cup part, which face each other, between the first cup part and the second cup part and in which one side of the electrode assembly is configured to be accommodated; inclined parts extending from opposing ends, respectively, of the accommodation part and provided to be recessed in the pouch film; and line forming parts extending linearly from outer ends, respectively, of the respective inclined parts and provided to be recessed in the pouch film in the same direction as the longitudinal direction of the accommodation part.Type: GrantFiled: March 31, 2020Date of Patent: February 25, 2025Assignee: LG Energy Solution, Ltd.Inventors: Sang Kyun Lee, Min Soo Park, Young Ha Kim, Young Hoon Hong, Seong Hyun Kim, Eui Jin Hong
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Publication number: 20250062360Abstract: A binder includes composite particles with a polytetrafluoroethylene structure coated with an acrylic polymer. The binder can be for a lithium secondary battery according to one embodiment of the present invention, and not only can solve problems such as agglomeration that can occur when handling conventional binders, but also has excellent physical properties such as low thickness deviation and high tensile strength when manufacturing electrodes. In addition, a battery with these electrodes has improved performance, such as improved capacity retention rate.Type: ApplicationFiled: August 21, 2023Publication date: February 20, 2025Inventors: Taegon Kim, Myeongsoo Kim, Seong Jang Jeon, Da Hyun Kang, Sung Il Park, Bubsung Kim, Choonghyeon Lee, Min Sang Song
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Publication number: 20250058458Abstract: A robot joint device having an upper arm unit including a first rotating pulley, a second rotating pulley and a third rotating pulley sequentially arranged in one direction, a forearm unit including a fixing pulley configured to rolling-contact the third rotating pulley, a connection unit including a first pivot shaft passing through the third rotating pulley and being connected to the upper arm unit, and a second pivot shaft passing through the fixing pulley and being connected to the forearm unit, a first cable unit wound around the first rotating pulley in a first direction, bent between the second rotating pulley and the third rotating pulley, and fixed to the fixing pulley, and a second cable unit wound around the first rotating pulley in a second direction opposite to the first direction, bent between the second rotating pulley and the third rotating pulley, and fixed to the fixing pulley.Type: ApplicationFiled: November 1, 2024Publication date: February 20, 2025Applicants: NAVER CORPORATION, Korea University of Technology and Education Industry-University Cooperation FoundationInventors: Yong Jae KIM, Seong Ho YUN, Jae Hyun PARK
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Publication number: 20250058482Abstract: A robot joint device may include a first frame unit having a first hollow portion, a second frame unit having a second hollow portion, the second frame unit spaced apart from the first frame unit, a rotational axis unit on and between the first and second hollow portions and configured to rotate around first, second and third axes which are perpendicular to one another, a first link unit extending to bypass the rotational axis unit, connected to each of the first and second frame units with the rotational axis unit interposed therebetween, and configured to rotate around the first and second axes, and a second link unit extending to bypass the rotational axis unit while intersecting with the first link unit, connected to each of the first and second frame units with the rotational axis unit interposed therebetween, and configured to rotate around the first and second axes.Type: ApplicationFiled: November 1, 2024Publication date: February 20, 2025Applicants: NAVER CORPORATION, Korea University of Technology and Education Industry-University Cooperation FoundationInventors: Yong Jae KIM, Seong Ho YUN, Jae Hyun PARK
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Publication number: 20250054948Abstract: A cathode active material with controlled rheological properties for lithium secondary batteries. In particular, the cathode active material for a lithium secondary battery includes: a core part comprising a lithium metal oxide; and a coating layer covering at least a portion of a surface of the core part and comprising an inorganic compound.Type: ApplicationFiled: December 5, 2023Publication date: February 13, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, WONIK QnC CORPORATIONInventors: Je Sik Park, Hong Seok Min, Sung Woo Noh, Jeong Hyun Seo, Im Sul Seo, Ju Yeong Seong, Chung Bum Lim, Hyuk Chun Kwon, Ho Chang Lee, Seong Uk Oh, Ji Su Kim, Jong Hyun Park
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Patent number: 12217644Abstract: An OLED panel may include a substrate including a first region and a second region disposed along a first direction. A plurality of first pixels are disposed in the first region on the substrate, the first pixels each having a first area, the first pixels each comprising a first unit pixel, a second unit pixel disposed along a second direction from the first unit pixel, and a transmission portion disposed along the first direction from the first unit pixel and the second unit pixel. A plurality of second pixels are disposed in the second region on the substrate, the second pixels each having a second area less than the first area, the second pixels each comprising a third unit pixel. The first unit pixel, the second unit pixel, and the third unit pixel may have substantially the same shape as each other.Type: GrantFiled: February 13, 2023Date of Patent: February 4, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jeong-Woo Moon, Jin-Koo Chung, Seong-Min Kim, Jin-Hyun Park, Chaun-Gi Choi
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Patent number: 6771612Abstract: A full duplex interface apparatus for a high performance serial bus is provided. More particularly, an IEEE 1394 interface apparatus is provided which includes a port switch having two ports coupled to a source generator device and a display device and separately receiving and buffering received signal packet data streams from the physical layer and transmit signal packet data streams for transmission over the physical layer. Accordingly, by coupling the source generator unit which generates signals for transmission over the physical layer through a first port of the port switch and the display unit to a second port of the port switch, ISO signals such as video signals may be received from the physical layer and provided to the display unit at the same time as ISO signals are being transmitted from the source generator unit to the physical layer through the port switch.Type: GrantFiled: October 20, 1999Date of Patent: August 3, 2004Assignee: Samsung Electronics Co., Ltd.Inventor: Seong-Hyun Park