Patents by Inventor In-Cheol Song
In-Cheol Song 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: 20240136515Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.Type: ApplicationFiled: November 15, 2021Publication date: April 25, 2024Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO CHEMICAL CO., LTDInventors: Sanghyuk LEE, Jong II PARK, Jung Hoon SONG, Sang Cheol NAM, Kwon Young CHOI, Inchul PARK, Ohmin KWON
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Publication number: 20240137432Abstract: A display device includes a display panel, and a circuit film disposed under the display panel. The display panel includes a base layer, pixels disposed on the base layer, sensors disposed on the base layer, first connection lines disposed on the base layer and electrically connected to the pixels, second connection lines disposed on the base layer and electrically connected to the sensors, first pads electrically connected to the first connection lines, and second pads electrically connected to the second connection lines. The circuit film is electrically connected to the first pads and the second pads through an opening of the base layer, and each of the plurality of second connection lines has a straight shape extending along a first direction.Type: ApplicationFiled: July 31, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: KYUNGHOE LEE, HEERIM SONG, CHEOL-GON LEE, MUKYUNG JEON
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Publication number: 20240136509Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and it is provided a positive electrode active material for a lithium secondary battery, comprising: a core containing a lithium nickel-based compound having a Ni content of 80 mol % or more; and a coating material positioned on at least a portion of the core surface; wherein, the coating material includes a first coating material containing at least one of group 5 elements and group 6 elements; and S; and a second coating material including B, LiOH, Li2CO3 and Li2SO4.Type: ApplicationFiled: November 15, 2021Publication date: April 25, 2024Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Ohmin KWON, Sang Cheol NAM, Kwon Young CHOI, Jung Hoon SONG, Sanghyuk LEE, Inchul PARK
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Patent number: 11967044Abstract: Provided is a device for upscaling resolution based on a slice image, in which a low-resolution image is divided into a plurality of slice images so that a high-resolution image is generated. The device includes a convolution operation unit configured to convert a low-resolution input slice image into a high-resolution output slice image using a convolutional neural network. The convolutional neural network includes a cascading block configured to perform a convolution operation using a convolution filter having a predetermined size and a residual operation on an input feature map generated from the low-resolution input slice image to generate an output feature map, and an upscaling block configured to upscale the output feature map to generate the high-resolution output slice image.Type: GrantFiled: March 24, 2021Date of Patent: April 23, 2024Assignee: Silicon Works Co., Ltd.Inventors: Byung Cheol Song, Dong Yoon Choi, Ji Yun Park
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Publication number: 20240126389Abstract: Disclosed is a display device including a plurality of touch sensing groups. Each of the plurality of touch sensing groups includes a plurality of write scan circuits, a plurality of pixels connected to the plurality of write scan circuits, a plurality of sensors connected to the plurality of write scan circuits, a plurality of first switching elements switching connections between the plurality of sensors and the plurality of write scan circuits, a touch sensing circuit connected to touch sensors connected one of the plurality of write scan circuits, and a second switching element switching a connection between the touch sensing circuit and the touch sensors.Type: ApplicationFiled: August 16, 2023Publication date: April 18, 2024Applicant: Samsung Display Co., Ltd.Inventors: HEERIM SONG, CHEOL-GON LEE, MUKYUNG JEON
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Publication number: 20240130194Abstract: A display device including: a base layer; a circuit layer disposed on the base layer; and an element layer disposed on the circuit layer, the element layer including a light emitting element and a light receiving element, wherein the circuit layer includes: a pixel drive circuit connected to the light emitting element; a sensor drive circuit connected to the light receiving element; a data wire connected to the pixel drive circuit; a readout wire connected to the sensor drive circuit; and a shielding electrode wire overlapping the readout wire on a plane.Type: ApplicationFiled: July 26, 2023Publication date: April 18, 2024Inventors: HEERIM SONG, MUKYUNG JEON, CHEOL-GON LEE
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Publication number: 20240118758Abstract: A display device includes: a pixel including a light emitting element; a sensor including a sensing element and a sensor driving circuit; and a sensor driver to output a sensor scan signal to the sensor driving circuit. The sensor driver includes: a switching circuit connected between a first input terminal for receiving a first clock signal of a first operating frequency and a first clock node, and to output a first filtering clock signal of a second operating frequency to the first clock node in response to a first enable signal; and a driving circuit to output the sensor scan signal in response to the first filtering clock signal of the first clock node.Type: ApplicationFiled: August 7, 2023Publication date: April 11, 2024Inventors: HEERIM SONG, TAEGYUN KIM, HEEJEAN PARK, YUJIN LEE, CHEOL-GON LEE, MUKYUNG JEON
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Patent number: 11955078Abstract: A display device includes: a pixel driving circuit configured to drive the light emitting elements of pixels; and sensors including a light sensing element and a sensor driving circuit connected with the light sensing element and configured to output a sensing signal corresponding to a light, the sensor driving circuit including: a reset transistor including a first electrode configured to receive a reset signal, a second electrode connected with a first sensing node, and a third electrode configured to receive a reset control signal; an amplification transistor including a first electrode configured to receive a sensing driving voltage, a second electrode connected with a second sensing node, and a third electrode connected with the first sensing node; and an output transistor including a first electrode connected with the second sensing node, a second electrode connected with a sensing line, and a third electrode configured to receive an output control signal.Type: GrantFiled: August 15, 2022Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Heerim Song, Heejean Park, Yujin Lee, Cheol-Gon Lee, Mukyung Jeon
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Publication number: 20240111381Abstract: A display device includes: a pixel including a pixel driving circuit and a light emitting element; a sensor including a sensor driving circuit and a sensing element; a first driver to output a first scan signal to the pixel driving circuit; and a second driver to output a second scan signal to the sensor driving circuit. The first driver is to operate at a first operating frequency, and the second driver is to operate at a second operating frequency or a third operating frequency.Type: ApplicationFiled: July 28, 2023Publication date: April 4, 2024Inventors: HEERIM SONG, CHEOL-GON LEE, MUKYUNG JEON
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Publication number: 20240112632Abstract: A display device includes a plurality of pixels, each of which includes a light emitting element and a pixel driving circuit and a plurality of sensors, each of which includes a light receiving element and a sensor driving circuit. A sensor driving circuit included in at least one of sensors includes a reset transistor configured to output a reset signal to a first sensing node in response to a reset control signal, an amplification transistor connected to first and second sensing nodes and configured to receive a sensor driving voltage, a first output transistor connected between the second sensing node and a readout line and configured to receive a first output control signal, and a second output transistor connected between the second sensing node and the readout line and configured to receive a second output control signal.Type: ApplicationFiled: August 16, 2023Publication date: April 4, 2024Inventors: HEERIM SONG, CHEOL-GON LEE, MUKYUNG JEON
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Publication number: 20240102611Abstract: A low profile flat bombe for Liquefied Petroleum Gas (LPG) storage and method for manufacturing the same, may include a flat bombe body including an upper plate having a plurality of first piercing holes and a pump installation hole formed therethrough, a lower plate having a plurality of second piercing holes formed therethrough at positions vertically coinciding with the plurality of first piercing holes, and side plates integrally connecting first and second side end portions of the upper and lower plates, end plates mounted at front and rear openings in the flat bombe body, and support pipes, wherein upper end portions of the support pipes are welded to internal circumferential portions of the plurality of first piercing holes and lower end portions thereof are welded to internal circumferential portions of the plurality of second piercing holes to maintain a vertical distance between the upper and lower plates.Type: ApplicationFiled: December 6, 2023Publication date: March 28, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DAE HUNG PRECISION IND'L CO., LTD.Inventors: Seong Cheol Cho, Sung Won Lee, Ju Tae Song, Seung Hyun Yeo, Duk Hee Park
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Publication number: 20240087277Abstract: A control method of a fastening tool for fastening a component part includes photographing a fastening portion of the component part through a camera portion mounted on the fastening tool. The control method includes pre-processing that rotates an input image, which has been photographed by the camera portion, to match with representative model image. The control method includes estimating the fastening portion through an inference process through a convolutional neural network (CNN) algorithm-based image classification work on a video input image of a same fastening portion finished with the pre-processing work. The control method also includes setting a torque value that is matched with a recognized fastening portion when a probability value of the fastening portion in the inference process exceeds a predetermined reference ratio.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Tae Mun Hwang, DongHa Jeong, Byung Cheol Song, Dong Yoon Choi
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Patent number: 11923542Abstract: The present disclosure relates to a positive active material for a lithium rechargeable battery, a manufacturing method thereof, and a lithium rechargeable battery including the positive active material, and it provides a positive active material which is a lithium composite metal oxide including nickel, cobalt, and manganese, and either has orientation in a direction of with respect to an ND axis that is equal to or greater than 29% or has orientation in a direction of [120]+[210] with respect to an RD axis that is equal to or greater than 82% in the case of an EBSD analysis with a misorientation angle (?g) that is equal to or less than 30 degrees.Type: GrantFiled: November 20, 2018Date of Patent: March 5, 2024Assignee: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Jung Hoon Song, Geun Hwangbo, Sang Cheol Nam, Sang Hyuk Lee, Do Hyeong Kim, Hye Won Park
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Patent number: 11917755Abstract: The carrier-foil-attached ultra-thin copper foil according to one embodiment of the present invention comprises a carrier foil, a release layer, a first ultra-thin copper foil, a Cu—Al bonding strength improvement layer, an Al layer, and a second ultra-thin copper foil, wherein the release layer may comprise a first metal (A3) having peeling properties, and a second metal (B3) and third metal (C3) facilitating the plating of the first metal (A3).Type: GrantFiled: January 15, 2018Date of Patent: February 27, 2024Assignee: Lotte Energy Materials CorporationInventors: Won Jin Beom, Sun Hyung Lee, Eun Sil Choi, Ki Deok Song, Hyung Cheol Kim
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Publication number: 20240065087Abstract: A display device includes a display panel including a front surface and a second surface which is opposite to the front surface; a front laminated structure attached to the front surface of the display panel; and a rear laminated structure attached to the second surface of the display panel. Each of the front laminated structure and the rear laminated structure includes a bonding member, and an average modulus of the bonding member of the front laminated structure is smaller than an average modulus of the bonding member of the rear laminated structure.Type: ApplicationFiled: November 2, 2023Publication date: February 22, 2024Inventors: Jun Su PARK, Young Do KIM, Young Moon KIM, Kyung Lae RHO, Young Gil PARK, Ji Hye SEO, Ki Cheol SONG, Na Ri AHN, Jang Doo LEE
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Patent number: 11905539Abstract: A novel modified polypeptide having an isopropylmalate synthase activity, a polynucleotide encoding the same, a microorganism including the polypeptide, and a method of producing L-leucine by culturing the microorganism.Type: GrantFiled: January 25, 2021Date of Patent: February 20, 2024Assignee: CJ Cheiljedang CorporationInventors: Ji Hye Lee, Byeong Cheol Song, Ae Ji Jeon, Jong Hyun Kim, Hye Won Kim
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Publication number: 20240056026Abstract: Proposed is a solar power leveling system, more particularly, a solar power leveling system via string-based power compensation, wherein outputs between strings are equalized by charging or discharging using a power compensation device so that output through solar power generation is maximized with a simple device configuration, and when there is reduction in output of a plurality of strings, compensation power for maximizing the total string output is calculated to achieve power compensation, whereby the power compensation device performs power compensation with a single discharging part and maximizes the total power generation amount of the strings connected to each other in parallel.Type: ApplicationFiled: December 22, 2020Publication date: February 15, 2024Inventors: Ki Taek SONG, Cheol Song LEE, Kyung Rok KIM, Jun Woo KIM
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Publication number: 20240009979Abstract: Provided is a polyethylene cling film. The polyethylene cling film has a 3-layer structure and also has a specific range of a difference between the melt index of an outer layer and/or an inner layer and the melt index of a middle layer, thereby showing excellent adhesiveness, resilience, usage sensation, and the like for use as a packaging film for food and/or non-food.Type: ApplicationFiled: June 6, 2023Publication date: January 11, 2024Inventors: Byoung Cheon Jo, Sung Won Lee, Hak Bin Kim, Dae Sig Hong, Jun Cheol Song
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Patent number: 11854236Abstract: A fastening tool system for fastening a component part by using a supplied power includes: a camera portion mounted on a fastening tool to photograph a fastening portion of the component part; an image input portion for inputting an image photographed from the camera portion when a distance with the fastening portion measured through a distance measurement sensor is within a predetermined distance; a communication portion for transmitting data by wireless communication; and a fastening portion determining portion that recognizes the fastening portion through machine learning algorithm-based image classification work for an input image of the camera portion and sets a torque value matched with the recognized fastening portion.Type: GrantFiled: August 27, 2020Date of Patent: December 26, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Tae Mun Hwang, DongHa Jeong, Byung Cheol Song, Dong Yoon Choi
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Publication number: 20230412972Abstract: A display device includes a display panel including a substrate including a first side extending in a first direction and a second side extending in a second direction intersecting the first direction, and a light emitting element layer positioned on a first surface of the substrate, a first vibrating element disposed on a second surface of the substrate and that vibrates the display panel to output a first sound, a first buffer layer disposed on the second surface of the substrate and disposed between the first side and the first vibrating element, and a second buffer layer disposed on the second surface of the substrate and disposed between the second side and the first vibrating element. The first buffer layer includes a first pore, and the second buffer layer includes a second pore.Type: ApplicationFiled: March 29, 2023Publication date: December 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Hidekazu HAYASHI, Kyoung Ho PARK, Hyun Su PARK, Ki Cheol SONG, Taek Sun SHIN, Tae Hee YOON, Gyu Su LEE