Patents by Inventor Hyuck Yoon
Hyuck Yoon 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: 11955887Abstract: A switch control circuit and a switch control method are provided. In this circuit, compositions that sense a drain voltage of a switch device are added in a QR Buck Converter switch control circuit. A first resistor, a second switch, a second resistor are electrically connected to a drain terminal of a switch device to sense the 0 A state of an inductor current. On the basis of a detection result, the switch control circuit turns on the switch device when an inductor current is 0 A, and a drain sensing voltage (ZCD) is less than a predetermined reference voltage (REF).Type: GrantFiled: December 9, 2021Date of Patent: April 9, 2024Assignee: MagnaChip Semiconductor, Ltd.Inventors: Jang Hyuck Lee, Joo Han Yoon, Byoung Kwon An
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Publication number: 20240097112Abstract: A positive electrode for a lithium secondary battery includes a positive electrode collector, a first positive electrode active material layer formed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer formed on the first positive electrode active material layer and includes a second positive electrode active material. The first positive electrode active material and the second positive electrode active material include a lithium nickel-cobalt-based oxide in which an amount of nickel among total metallic components excluding lithium is 80 atm % or more, the first positive electrode active material has a molar ratio of nickel to cobalt of 18 or more, and the second positive electrode active material has a molar ratio of nickel to cobalt of less than 18.Type: ApplicationFiled: February 25, 2022Publication date: March 21, 2024Applicant: LG Energy Solution, Ltd.Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
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Patent number: 11930128Abstract: There is provided a dual camera apparatus, an electronic apparatus including the same, and a method of operating the same are disclosed. The dual camera apparatus includes a first camera that acquires an entire image of a subject; and a second camera different than the first camera. The second camera includes a first light source, an optical element concentrates light emitted from the first light source onto a portion of a region of the subject and an image sensor that records spectrum information with respect to the portion of the region of the subject.Type: GrantFiled: November 17, 2020Date of Patent: March 12, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Youngzoon Yoon, Hyuck Choo
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Publication number: 20240072244Abstract: A positive electrode active material for a lithium secondary battery comprising lithium transition metal oxide particles having a core-shell structure which includes a core portion and a shell portion disposed on a surface of the core portion. Wherein, the average crystallite size of the core portion is smaller than an average crystallite size of the shell portion and an amount of nickel among total transition metals included in the core portion and the shell portion is 80 atm % or more. A positive electrode active material, which suppresses decomposition of an electrolyte solution and occurrence of micro cracks of the positive electrode active material during charge and discharge by forming an average crystallite size of a core portion of the high-nickel positive electrode active material smaller than an average crystallite size of a shell portion, and a method of preparing the same.Type: ApplicationFiled: February 24, 2022Publication date: February 29, 2024Applicant: LG Energy Solution, Ltd.Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
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Patent number: 11883319Abstract: Provided is a mandibular advancement device including: a driving unit including an intraoral device; a main body configured to generate a driving force for driving the driving unit; and a connection unit configured to connect the driving unit and the main body to transmit the driving force generated by the main body to the driving unit, wherein the driving unit includes a driving case having an empty space therein, a coupling unit having fixed thereto the intraoral device and coupled to a front of the driving case, and a rear cover coupled to a rear of the driving case and accommodating a piston therein, the intraoral device includes a first frame and a second frame located to overlap each other, a first seating portion covering a portion of the first frame located in an oral cavity of a user, a second seating portion covering a portion of the second frame located in the oral cavity of the user, and a fixing unit coupled to the first frame and the second frame, the first frame is coupled to the fixing unit toType: GrantFiled: October 26, 2021Date of Patent: January 30, 2024Assignee: OUaR Lab, Inc.Inventors: Jae Gun Lee, Won Hyuck Yoon
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Publication number: 20230337364Abstract: A method of fabricating a printed circuit film including the steps of preparing a base film, and a plurality of lead wires disposed on the base film, the plurality of lead wires spaced apart from each other in a first direction and extending in a second direction intersecting the first direction, and forming a bonding member including a conductive member disposed to overlap a central portion of each of the plurality of lead wires, a first non-conductive member disposed to overlap a first portion of the plurality of lead wires in the second direction, and a second non-conductive member disposed to overlap a second portion of the plurality of lead wires in the second direction.Type: ApplicationFiled: June 22, 2023Publication date: October 19, 2023Inventors: Dong Hyun LEE, Seung Soo RYU, Sang Hyuck YOON
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Patent number: 11737215Abstract: A printed circuit film includes: a base film including a first film portion extending in a first direction, a second film portion extending in the first direction, and a third film portion extending in the first direction; a plurality of lead wires extending in the second direction and disposed on the first, second, and third film portions, the plurality of lead wires being spaced apart from each other in the first direction; and a bonding member including: a conductive member disposed to overlap the plurality of lead wires on the first film portion; a first non-conductive member disposed to overlap the plurality of lead wires and the second film portion; and a second non-conductive member disposed to overlap the plurality of lead wires and the third film portion, wherein the conductive member is disposed between the first non-conductive member and the second non-conductive member in the second direction.Type: GrantFiled: March 10, 2021Date of Patent: August 22, 2023Assignee: Samsung Display Co., Ltd.Inventors: Dong Hyun Lee, Seung Soo Ryu, Sang Hyuck Yoon
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Patent number: 11685995Abstract: The present invention is in the field of processes for producing flexible organic-inorganic laminates as well as barrier films comprising flexible organic-inorganic laminates by atomic layer deposition. In particular the present invention relates to a process for producing a laminate comprising more than once the sequence comprising: (a) depositing an inorganic layer by performing 4 to 150 cycles of an atomic layer deposition process, and (b) depositing an organic layer comprising sulfur by a molecular layer deposition process.Type: GrantFiled: May 7, 2015Date of Patent: June 27, 2023Assignee: BASF COATINGS GMBHInventors: Maraike Ahlf, Felix Eickemeyer, Daniel Loeffler, Stephan Klotz, Juergen Frank, Myung Mo Sung, Kwan Hyuck Yoon
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Publication number: 20230157103Abstract: A display device includes: a substrate including a first display area, a second display area including a light-transmitting part, and a third display area between the first and second display areas; a first subpixel including a first TFT on the first display area and a first light-emitting element on and electrically connected to the first TFT; a second subpixel including a second TFT on the third display area and a second light-emitting element, which is on the second display area and does not overlap with the second TFT in a plan view; a thin-film encapsulation layer on the first and second subpixels,; and a first transparent conductive layer between the second TFT and the second light-emitting element to electrically connect the second TFT and the second light-emitting element. The thin-film encapsulation layer has a refractive index of about 1.5 to about 1.7.Type: ApplicationFiled: September 14, 2022Publication date: May 18, 2023Inventors: Jeong Seok LEE, Woo Cheol PARK, Kwan Hyuck YOON, Hye Kyun LEE
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Publication number: 20230143994Abstract: A display device includes a first substrate including a first contact hole, fan-out lines in a first metal layer, a second substrate on the first metal layer and including a second contact hole, connection lines in a second metal layer and into the second contact hole connected to the fan-out lines, a thin film transistor in an active layer and a third metal layer on the second metal layer, and a flexible film on a surface of the first substrate and into the first contact hole connected to the fan-out lines. An etching angle of the first contact hole between a top surface of the first substrate and an inner surface of the first contact hole is less than an etching angle of the second contact hole between top surfaces of the fan-out lines and an inner surface of the second contact hole.Type: ApplicationFiled: July 1, 2022Publication date: May 11, 2023Applicant: Samsung Display Co., LTD.Inventors: Soo Youn KIM, Seung Hun KIM, Seung Yong SONG, Hee Jun YANG, Kwan Hyuck YOON, Seung Ho YOON, Moon Won CHANG, Se Hoon JEONG
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Patent number: 11644919Abstract: A display device includes a display panel including display pads, display connection pads disposed on a side surface of the display panel and connected to the display pads, a touch member including touch pads disposed on a display surface perpendicular to the side surface of the display panel, and touch connection pads overlapping a top surface of the touch member and the side surface of the display panel and connected to the touch pads. The side surface of the display panel includes a first area overlapping the display connection pads, a second area overlapping the touch connection pads, and a third area which does not overlap the display connection pads and does not overlap the touch connection pads. The first area, the second area, and the third area are located on a same plane.Type: GrantFiled: July 14, 2022Date of Patent: May 9, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eui Jeong Kang, Sang Hyuck Yoon, Seung Soo Ryu, Jeong Jin Park, Si Joon Song
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Publication number: 20230133488Abstract: A display device includes a substrate including a display area and a non-display area surrounding the display area, a plurality of pixels on the substrate in the display area, a first encapsulation layer on the substrate to cover the pixels and including an inorganic material, a second encapsulation layer on the first encapsulation layer and including an organic material, and a third encapsulation layer on the second encapsulation layer and including an inorganic material. An edge of the second encapsulation layer is located in the non-display area, edges of the first encapsulation layer and the third encapsulation layer are located more to an outside than the edge of the second encapsulation layer is. The first encapsulation layer includes a first area and a second area located more to the outside than the first area and having a surface roughness smaller than a surface roughness of the first area.Type: ApplicationFiled: October 7, 2022Publication date: May 4, 2023Inventors: Jin Ho HYUN, Kwan Hyuck YOON, Hye Min LEE
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Publication number: 20230125589Abstract: Provided is a mandibular advancement device including: a driving unit including an intraoral device; a main body configured to generate a driving force for driving the driving unit; and a connection unit configured to connect the driving unit and the main body to transmit the driving force generated by the main body to the driving unit, wherein the driving unit includes a driving case having an empty space therein, a coupling unit having fixed thereto the intraoral device and coupled to a front of the driving case, and a rear cover coupled to a rear of the driving case and accommodating a piston therein, the intraoral device includes a first frame and a second frame located to overlap each other, a first seating portion covering a portion of the first frame located in an oral cavity of a user, a second seating portion covering a portion of the second frame located in the oral cavity of the user, and a fixing unit coupled to the first frame and the second frame, the first frame is coupled to the fixing unit toType: ApplicationFiled: October 26, 2021Publication date: April 27, 2023Inventors: Jae Gun LEE, Won Hyuck YOON
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Publication number: 20230043912Abstract: The present disclosure relates to a display device, and a display device according to an embodiment includes a substrate, a transistor disposed on the substrate, a light emitting element connected to the transistor, an encapsulation layer disposed on the light emitting element, a sensing electrode disposed on the encapsulation layer, a first insulating layer disposed on the sensing electrode and including an opening, a second insulating layer disposed on the first insulating layer, and a third insulating layer disposed on the second insulating layer, wherein a refractive index of the third insulating layer is higher than that of the second insulating layer.Type: ApplicationFiled: April 13, 2022Publication date: February 9, 2023Inventors: Jeong Seok LEE, Oh June KWON, Kwan Hyuck YOON, Hye Kyun LEE
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Patent number: 11527603Abstract: A display device includes a pixel array disposed on a base substrate, a side terminal electrically connected to the pixel array, a connection pad including a first side surface contacting a side surface of the side terminal, and a driving device bonding to a second side surface of the connection pad, where the second side surface is opposite to the first side surface. The side terminal includes a resistance-reducing layer and an upper conductive layer, the resistance-reducing layer includes a first conductive material, the upper conductive layer is disposed on the resistance-reducing layer and includes a second conductive material having an oxidation resistance greater than the first conductive material. A portion of the upper conductive layer is disposed between the connection pad and the resistance-reducing layer such that the resistance-reducing layer is spaced apart from the connection pad.Type: GrantFiled: December 1, 2020Date of Patent: December 13, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Donghyun Lee, Eui Jeong Kang, Byoungyong Kim, Seung-Soo Ryu, Sanghyeon Song, Sang Hyuck Yoon
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Publication number: 20220350436Abstract: A display device includes a display panel including display pads, display connection pads disposed on a side surface of the display panel and connected to the display pads, a touch member including touch pads disposed on a display surface perpendicular to the side surface of the display panel, and touch connection pads overlapping a top surface of the touch member and the side surface of the display panel and connected to the touch pads. The side surface of the display panel includes a first area overlapping the display connection pads, a second area overlapping the touch connection pads, and a third area which does not overlap the display connection pads and does not overlap the touch connection pads. The first area, the second area, and the third area are located on a same plane.Type: ApplicationFiled: July 14, 2022Publication date: November 3, 2022Applicant: Samsung Display Co., LTD.Inventors: Eui Jeong KANG, Sang Hyuck YOON, Seung Soo RYU, Jeong Jin PARK, Si Joon SONG
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Patent number: 11409387Abstract: A display device includes a display panel including display pads, display connection pads disposed on a side surface of the display panel and connected to the display pads, a touch member including touch pads disposed on a display surface perpendicular to the side surface of the display panel, and touch connection pads overlapping a top surface of the touch member and the side surface of the display panel and connected to the touch pads. The side surface of the display panel includes a first area overlapping the display connection pads, a second area overlapping the touch connection pads, and a third area which does not overlap the display connection pads and does not overlap the touch connection pads. The first area, the second area, and the third area are located on a same plane.Type: GrantFiled: August 16, 2021Date of Patent: August 9, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eui Jeong Kang, Sang Hyuck Yoon, Seung Soo Ryu, Jeong Jin Park, Si Joon Song
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Publication number: 20220107697Abstract: A display device includes a display panel including display pads, display connection pads disposed on a side surface of the display panel and connected to the display pads, a touch member including touch pads disposed on a display surface perpendicular to the side surface of the display panel, and touch connection pads overlapping a top surface of the touch member and the side surface of the display panel and connected to the touch pads. The side surface of the display panel includes a first area overlapping the display connection pads, a second area overlapping the touch connection pads, and a third area which does not overlap the display connection pads and does not overlap the touch connection pads. The first area, the second area, and the third area are located on a same plane.Type: ApplicationFiled: August 16, 2021Publication date: April 7, 2022Applicant: Samsung Display Co., LTD.Inventors: Eui Jeong KANG, Sang Hyuck YOON, Seung Soo RYU, Jeong Jin PARK, Si Joon SONG
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Publication number: 20210385950Abstract: A printed circuit film includes: a base film including a first film portion extending in a first direction, a second film portion extending in the first direction, and a third film portion extending in the first direction; a plurality of lead wires extending in the second direction and disposed on the first, second, and third film portions, the plurality of lead wires being spaced apart from each other in the first direction; and a bonding member including: a conductive member disposed to overlap the plurality of lead wires on the first film portion; a first non-conductive member disposed to overlap the plurality of lead wires and the second film portion; and a second non-conductive member disposed to overlap the plurality of lead wires and the third film portion, wherein the conductive member is disposed between the first non-conductive member and the second non-conductive member in the second direction.Type: ApplicationFiled: March 10, 2021Publication date: December 9, 2021Inventors: Dong Hyun LEE, Seung Soo RYU, Sang Hyuck YOON
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Publication number: 20210193789Abstract: A display device includes a pixel array disposed on a base substrate, a side terminal electrically connected to the pixel array, a connection pad including a first side surface contacting a side surface of the side terminal, and a driving device bonding to a second side surface of the connection pad, where the second side surface is opposite to the first side surface. The side terminal includes a resistance-reducing layer and an upper conductive layer, the resistance-reducing layer includes a first conductive material, the upper conductive layer is disposed on the resistance-reducing layer and includes a second conductive material having an oxidation resistance greater than the first conductive material. A portion of the upper conductive layer is disposed between the connection pad and the resistance-reducing layer such that the resistance-reducing layer is spaced apart from the connection pad.Type: ApplicationFiled: December 1, 2020Publication date: June 24, 2021Inventors: Donghyun LEE, Eui Jeong KANG, Byoungyong KIM, Seung-Soo RYU, Sanghyeon SONG, Sang Hyuck YOON