Patents by Inventor Ki Ryu
Ki Ryu 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).
-
Publication number: 20240136094Abstract: A magnetic core according to one embodiment of the present invention includes a material formed of iron (Fe)-silicon (Si)-boron (B), wherein a mass percentage of Fe in a first surface, which is an upper surface, is different from a mass percentage of Fe in a second surface which is a side surface, and a ratio of the mass percentage of Fe in the first surface to a difference between the mass percentage of Fe in the first surface and the mass percentage of Fe in the second surface is in the range of 6 to 21.Type: ApplicationFiled: February 18, 2022Publication date: April 25, 2024Inventors: Seung Eun LEE, Ji Chang RYU, Jung Ki LEE
-
Publication number: 20240136416Abstract: A semiconductor device includes an active pattern extending in a first direction, a plurality of gate structures on the active pattern spaced in the first direction, and including a gate electrode extending in a second direction, a source/drain pattern between adjacent gate structures, a silicide mask pattern on the source/drain pattern, an upper surface of the silicide mask pattern being lower than an upper surface of the gate electrode, a source/drain contact on the source/drain pattern connected to the source/drain pattern, and a contact silicide film between the source/drain contact and the source/drain pattern in contact with a bottom surface of the silicide mask pattern, wherein a height from a lowermost part of the source/drain pattern to a lowermost part of the source/drain contact is smaller than a height from the lowermost part of the source/drain pattern to the bottom surface of the silicide mask pattern.Type: ApplicationFiled: August 15, 2023Publication date: April 25, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Jun Ki Park, Sung Hwan Kim, Wan Don Kim, Heung Seok Ryu
-
Publication number: 20240136674Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.Type: ApplicationFiled: January 19, 2022Publication date: April 25, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
-
Publication number: 20240128517Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.Type: ApplicationFiled: January 19, 2022Publication date: April 18, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
-
Patent number: 11927778Abstract: The present invention relates to a variable light transmittance element including a variable light transmittance structure, wherein the variable light transmittance structure includes: a first electrode; a variable light transmittance layer made of a transparent semiconductor material in which metal nanoparticles are dispersed, and electrically connected to the first electrode; a second electrode; and an insulating layer interposed between the variable light transmittance layer and the second electrode, and also relates to a color filter for a display device and smart window including the same.Type: GrantFiled: November 15, 2019Date of Patent: March 12, 2024Assignee: RMK INC.Inventor: Min Ki Ryu
-
Patent number: 11912733Abstract: The present disclosure relates to a lead halide perovskite (LHP) synthesis simulation method, and more particularly to an LHP synthesis simulation method that minimizes a change in wavelength of light emitted from an LHP material when exposed to light for a predetermined time.Type: GrantFiled: September 25, 2019Date of Patent: February 27, 2024Assignee: Korea Institute of Science & Technology InformationInventors: Hoon Ryu, Ki Ha Hong
-
Publication number: 20230042988Abstract: A vertical-structure field-effect transistor comprises: a gate electrode, which is formed on a substrate and has a horizontal plane extending in the planar direction and a vertical plane extending in the height direction; a gate insulating layer for covering the gate electrode; a vertical channel which is formed on the gate insulating layer and has a channel formed in the height direction; a source electrode formed to make contact with one end of the vertical channel; and a drain electrode formed to make contact with the other end of the vertical channel and formed at a height level different from that of the source electrode, wherein channel on/off of the vertical channel is controlled by means of an electric field formed from the vertical plane of the gate electrode to the vertical channel, and the source electrode and/or the drain electrode can be non-overlapping on the gate electrode in the height direction of the gate electrode.Type: ApplicationFiled: October 12, 2022Publication date: February 9, 2023Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SEJONG CAMPUSInventors: Mon Pyo HONG, Min Ki RYU
-
Publication number: 20220098088Abstract: The present disclosure relates to a low temperature-calcined lead-free glass frit and paste, and a vacuum glass assembly using the same. The glass frit has a novel component system, in which phosphorus pentoxide (P2O5), vanadium pentoxide (V2O5), tellurium dioxide (TeO2), copper oxide (CuO), barium oxide (BaO), zinc oxide (ZnO), bismuth oxide (Bi2O3), and silver oxide (Ag2O) are included at a unique composition ratio according to the disclosure, and replaces a lead-based glass composition of the related art, is calcined at low temperature, includes no inorganic filter or include a minimum amount of an inorganic filler, has a coefficient of thermal expansion matching a coefficient of thermal expansion of a glass base material to prevent a separation or damage, and ensures excellent durability.Type: ApplicationFiled: February 7, 2019Publication date: March 31, 2022Inventors: Wongyu CHOI, Young Seok KIM, Bong-Ki RYU, Jae-Young SHIN, Dae-Geol JEONG
-
Publication number: 20220026606Abstract: The present invention relates to a variable light transmittance element including a variable light transmittance structure, wherein the variable light transmittance structure includes: a first electrode; a variable light transmittance layer made of a transparent semiconductor material in which metal nanoparticles are dispersed, and electrically connected to the first electrode; a second electrode; and an insulating layer interposed between the variable light transmittance layer and the second electrode, and also relates to a color filter for a display device and smart window including the same.Type: ApplicationFiled: November 15, 2019Publication date: January 27, 2022Inventor: Min Ki RYU
-
Patent number: 10789473Abstract: An augmented reality (AR) service clustering a plurality of markers for mapping an AR object by a device into at least one group and determining a representative marker of the clustered group, and preferentially searching for markers included in a cluster of the representative marker when a scene recognized by the device corresponds to the representative marker, is provided. An AR service generating an AR object based on data received from a user while a scene recognized by a device is displayed on a screen of the device and determining the recognized scene as a marker of the AR object is also provided. An AR service clustering a previously obtained plurality of pieces of content based on a predetermined reference and generating an AR object based on the plurality of clustered pieces of content is further provided.Type: GrantFiled: September 21, 2018Date of Patent: September 29, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Han-sub Jung, Sun-ho Moon, Seong-ki Ryu, Dong-hyun Han
-
Patent number: 10719720Abstract: Provided is an artificial intelligence system for providing road risk information and a method thereof. The system for providing road risk information includes: an information collection unit for receiving various road state information acquired from a vehicle device; an information processing unit for performing image processing on the collected road state information, and converting a result of the image processing into a predefined grayscale image; an information learning unit for learning the converted predefined grayscale image on the basis of a predetermined learning model based on deep learning, and recognizing the road risk information on the basis of a result of the learning; and an information classification unit for classifying the road risk information from the road state information on the basis of a result of the recognition, and detecting road surface defects on the basis of a result of the classification.Type: GrantFiled: November 2, 2018Date of Patent: July 21, 2020Assignee: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGYInventor: Seung Ki Ryu
-
Publication number: 20200158205Abstract: A damper for an engine mounted with a motor includes a first rotating body directly connected with an end portion of a crankshaft, a rotor constituting the motor and being integrally mounted at the first rotating body, a second rotating body installed at an inner side of the first rotating body to be rotatable relative to the first rotating body, and a first damper spring, a second damper spring and a third damper spring installed to be elastically deformed along a circumference direction between the first rotating body and the second rotating body. The first damper spring, the second damper spring and the third damper spring are all disposed within the length along the axial direction of the motor.Type: ApplicationFiled: February 20, 2019Publication date: May 21, 2020Inventors: Jong Won Lee, Kyoung Pyo Ha, Min Ki Ryu
-
Publication number: 20190188501Abstract: Provided is an artificial intelligence system for providing road risk information and a method thereof. The system for providing road risk information includes: an information collection unit for receiving various road state information acquired from a vehicle device; an information processing unit for performing image processing on the collected road state information, and converting a result of the image processing into a predefined grayscale image; an information learning unit for learning the converted predefined grayscale image on the basis of a predetermined learning model based on deep learning, and recognizing the road risk information on the basis of a result of the learning; and an information classification unit for classifying the road risk information from the road state information on the basis of a result of the recognition, and detecting road surface defects on the basis of a result of the classification.Type: ApplicationFiled: November 2, 2018Publication date: June 20, 2019Inventor: Seung Ki Ryu
-
Publication number: 20190095712Abstract: An augmented reality (AR) service clustering a plurality of markers for mapping an AR object by a device into at least one group and determining a representative marker of the clustered group, and preferentially searching for markers included in a cluster of the representative marker when a scene recognized by the device corresponds to the representative marker, is provided. An AR service generating an AR object based on data received from a user while a scene recognized by a device is displayed on a screen of the device and determining the recognized scene as a marker of the AR object is also provided. An AR service clustering a previously obtained plurality of pieces of content based on a predetermined reference and generating an AR object based on the plurality of clustered pieces of content is further provided.Type: ApplicationFiled: September 21, 2018Publication date: March 28, 2019Inventors: Han-sub JUNG, Sun-ho MOON, Seong-ki RYU, Dong-hyun HAN
-
Patent number: 9930703Abstract: An electronic device, an operating method thereof, and a recording medium are provided. The electronic device includes a housing, a location sensor that is disposed within the housing and obtains location information about the electronic device, a biometric sensor that is disposed within the housing and obtains health information about a user of the electronic device, and a processor which is disposed within the housing, and is connected with the location sensor and the biometric sensor, wherein when a change to an emergency mode is detected, the processor controls to transmit the location information and the health information to a predesignated first external electronic device in response to the emergency mode.Type: GrantFiled: May 4, 2016Date of Patent: March 27, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-Wook Lee, Ju-Yeon Seo, Seong-Ki Ryu, Jae-Seok Joo
-
Patent number: 9628079Abstract: A level shifter circuit a first transistor connected between a power source terminal of the level shifter circuit and an output terminal of the level shifter circuit, the first transistor being configured to transmit, in response to a first signal and a second signal, a power source voltage applied from the power source terminal to the output terminal, the first signal being received from an input terminal of the level shifter circuit through a first gate of the first transistor, the second signal being received through a second gate of the first transistor, and a second transistor connected between a ground terminal of the level shifter circuit and the output terminal, the second transistor being configured to transmit a ground voltage from the ground terminal to the output terminal in response to a gate signal received through a gate of the second transistor.Type: GrantFiled: February 22, 2016Date of Patent: April 18, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jae-Eun Pi, Chunwon Byun, OhSang Kwon, Eunsuk Park, Min Ki Ryu, Chi-Sun Hwang
-
Publication number: 20160330770Abstract: An electronic device, an operating method thereof, and a recording medium are provided. The electronic device includes a housing, a location sensor that is disposed within the housing and obtains location information about the electronic device, a biometric sensor that is disposed within the housing and obtains health information about a user of the electronic device, and a processor which is disposed within the housing, and is connected with the location sensor and the biometric sensor, wherein when a change to an emergency mode is detected, the processor controls to transmit the location information and the health information to a predesignated first external electronic device in response to the emergency mode.Type: ApplicationFiled: May 4, 2016Publication date: November 10, 2016Inventors: Jae-Wook LEE, Ju-Yeon SEO, Seong-Ki RYU, Jae-Seok JOO
-
Publication number: 20160248426Abstract: A level shifter circuit a first transistor connected between a power source terminal of the level shifter circuit and an output terminal of the level shifter circuit, the first transistor being configured to transmit, in response to a first signal and a second signal, a power source voltage applied from the power source terminal to the output terminal, the first signal being received from an input terminal of the level shifter circuit through a first gate of the first transistor, the second signal being received through a second gate of the first transistor, and a second transistor connected between a ground terminal of the level shifter circuit and the output terminal, the second transistor being configured to transmit a ground voltage from the ground terminal to the output terminal in response to a gate signal received through a gate of the second transistor.Type: ApplicationFiled: February 22, 2016Publication date: August 25, 2016Inventors: Jae-Eun PI, Chunwon BYUN, OhSang KWON, Eunsuk PARK, Min Ki RYU, Chi-Sun HWANG
-
Publication number: 20160240563Abstract: Provided is a semiconductor device. The semiconductor device includes a second semiconductor pattern disposed on the substrate and configured to provide a channel region, and a first semiconductor pattern disposed between the substrate and the second semiconductor pattern, wherein the first semiconductor pattern includes a channel region that is a portion in contact with the second semiconductor pattern and source/drain regions that are portions exposed by the second semiconductor pattern.Type: ApplicationFiled: February 12, 2016Publication date: August 18, 2016Inventors: Sang-Hee PARK, Chi-Sun HWANG, Min Ki RYU, Jae-Eun PI, Jong-Beom KO, Hyein YEOM
-
Patent number: 9263592Abstract: A transistor includes source/drain electrodes provided on a substrate; a semiconductor oxide layer provided between the source/drain electrodes; a gate electrode facing the semiconductor oxide layer; and a gate insulating layer interposed between the semiconductor oxide layer and the gate electrode, wherein the semiconductor oxide layer has a nano-layered structure including at least one first nano layer comprised of a first material and at least one second nano layer comprised of a second material that are alternatingly stacked one on another to provide at least one interface, and wherein the first material and the second material are different materials that are effective to form an electron transfer channel layer at the interface.Type: GrantFiled: September 6, 2013Date of Patent: February 16, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Su Jae Lee, Chi-Sun Hwang, Hye Yong Chu, Sang Chul Lim, Jae-Eun Pi, Min Ki Ryu