Patents by Inventor Sang-chul Lee
Sang-chul 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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Publication number: 20240085282Abstract: There is provide a method for manufacturing analytical semiconductor samples by using an apparatus for manufacturing analytical semiconductor samples, which minimizes a feedback time by manufacturing a viewing surface that is environment-friendly and has a large area. The method comprising mounting the analytical semiconductor samples to a holder; discharging deionized (DI) water to an upper surface of a polishing plate through a DI water nozzle; grinding the analytical semiconductor samples with the upper surface of the polishing plat; determining whether a desired viewing surface of the analytical semiconductor samples has been acquired after the grinding of the analytical semiconductor samples; and transferring the analytical semiconductor samples to analyze the viewing surface of the ground analytical semiconductor samples based on a determination that the desired viewing surface of the analytical semiconductor samples has been acquired.Type: ApplicationFiled: August 23, 2023Publication date: March 14, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Min Chul JO, Sang Hyun PARK, Su Jin SHIN, Gil Ho GU, Dae Gon YU, So Yeon LEE, Yun Bin JEONG
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Publication number: 20240088416Abstract: An air supply control method of a fuel cell controls an amount of air supplied to the fuel cell according to an output of power required to be generated by the fuel cell. The method includes steps of: monitoring a charging level of a power storage device that stores power output from the fuel cell; modifying the amount of air supplied to the fuel cell on the basis of the monitored charging level of the power storage device; and controlling an air supply system that supplies air to the fuel cell on the basis of the modified amount of air supplied.Type: ApplicationFiled: November 17, 2023Publication date: March 14, 2024Inventors: Seung Yoon Lee, Sae Byeok Seung, Jeong Kyu Park, Sang Chul Yeom
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Publication number: 20240072140Abstract: A semiconductor device includes, first and second source/drain patterns on an active pattern and spaced apart from each other, a first source/drain contact on the first source/drain pattern and including a first source/drain barrier film and a first source/drain filling film on the first source/drain barrier film, a second source/drain contact on the second source/drain pattern, and a gate structure on the active pattern between the first and second source/drain contacts and including a gate electrode, wherein a top surface of the first source/drain contact is lower than a top surface of the gate structure, and a height from a top surface of the active pattern to a top surface of the first source/drain barrier film is less than a height from the top surface of the active pattern to a top surface of the first source/drain filling film.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Inventors: Won Hyuk Lee, Jong Chul Park, Sang Duk Park, Hong Sik Shin, Do Haing Lee
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Publication number: 20240067686Abstract: The present invention relates to a novel peptide capable of inhibiting TGF-? signaling and the use thereof. The peptide of the present invention is capable of inhibiting the TGF-?-induced signaling pathway or the expression of TGF-?, and thus can treat or prevent various diseases caused by TGF-? signaling, and furthermore, can effectively inhibit tumorigenesis processes such as TGF-?-signaling induced tumor growth and metastasis.Type: ApplicationFiled: December 22, 2021Publication date: February 29, 2024Applicant: Korea Institute of Science and TechnologyInventors: Mi-Hue JANG, Chae-Min YUK, Ga-Yeon GO, Young-Eun LEE, Sang-Chul SHIN
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Patent number: 11903294Abstract: A touch detecting unit comprises first sensor electrodes arranged in a first direction and electrically connected with one another; second sensor electrodes arranged in a second direction crossing the first direction, and electrically connected with one another, the second sensor electrodes electrically separated from the first sensor electrodes, and third sensor electrodes electrically separated from the first sensor electrodes and the second sensor electrodes. Amounts of change in first capacitances between the first sensor electrodes and the second sensor electrodes are detected in a first mode. Amounts of change in the first capacitances and amounts of change in a second capacitance between the first sensor electrodes and the third sensor electrodes are detected in a second mode.Type: GrantFiled: July 13, 2022Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kang Won Lee, Do Ik Kim, Choon Hyop Lee, Jang Hui Kim, Sang Chul Lee
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Publication number: 20240036684Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.Type: ApplicationFiled: September 28, 2023Publication date: February 1, 2024Inventors: Do Ik KIM, Jang hui KIM, Sang Chul LEE, Ga Young KIM
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Patent number: 11887799Abstract: An arc extinction apparatus according to an embodiment of the present disclosure comprises a chamber unit, a division unit, a filter unit, and a cover unit. A discharge port is formed in the chamber unit such that a fluid in the chamber unit is discharged to the outside. An insertion groove is provided on inner faces of the chamber unit that face each other. The division unit is coupled to the inside of the chamber unit. In addition, the division unit divides a path of the fluid discharged through the discharge port into multiple paths. The filter unit is disposed in the discharge port and filters out at least one predetermined material from the fluid passing through the discharge port. The cover unit comprises a plurality of exhaust pipes and is coupled to the discharge port from the outside of the filter unit.Type: GrantFiled: March 11, 2020Date of Patent: January 30, 2024Assignee: LS ELECTRIC CO., LTD.Inventors: Sang-Chul Lee, Kyu-Ho Lee, Seung-Pil Yang
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Patent number: 11875001Abstract: A touch sensor includes: a base layer; a plurality of first touch electrodes arranged on the base layer in a first direction; and at least one strain gauge disposed between the plurality of first touch electrodes, the at least one strain gauge configured to sense a pressure, wherein the plurality of first touch electrodes and the strain gauge are arranged on the same layer.Type: GrantFiled: December 15, 2019Date of Patent: January 16, 2024Assignee: Samsung Display Co., LTD.Inventors: Choon Hyop Lee, Kang Won Lee, Sang Chul Lee, Seung Hwan Chung
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Patent number: 11860667Abstract: A display device comprises: a display panel; a window; and a first pressure sensor. The display panel comprises: a planar portion; a first curved portion connected to one side of the planar portion; and a first side portion connected to one side of the first curved portion. The window is on the display panel. The first pressure sensor overlaps with the first side portion. Here, the first side portion is in a plane different from each of the planar portion and the first curved portion.Type: GrantFiled: December 20, 2018Date of Patent: January 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Choon Hyop Lee, Sang Chul Lee, Ga Young Kim, Kang Won Lee, Seung Hwan Chung, Do Ik Kim
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Patent number: 11857840Abstract: A momentum measurement device is disclosed. The momentum measurement device includes a measurement sensor including a printed circuit board and an acceleration sensor, a gyroscope sensor, a communication element, and a processor connected to the printed circuit board, and a cover configured to surround a first surface and a side surface of the measurement sensor.Type: GrantFiled: July 19, 2021Date of Patent: January 2, 2024Inventor: Sang Chul Lee
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Publication number: 20230409156Abstract: A touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the first touch electrodes and the second touch electrodes.Type: ApplicationFiled: August 28, 2023Publication date: December 21, 2023Inventors: Jang Hui Kim, Ga Young Kim, Do Ik Kim, Sang Chul Lee, A Ra Jo
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Patent number: 11836015Abstract: A display device includes a display panel; a pressure sensor disposed on the display panel; and a lower bracket. The pressure sensor is disposed between the display panel and the lower bracket and is disposed on the lower bracket. The pressure sensor includes a first substrate, a first pressure sensing layer disposed between the first substrate and the lower bracket, a first driving electrode disposed between the first pressure sensing layer and the lower bracket, and a first sensing electrode spaced apart from the first driving electrode. A gap is present between the first pressure sensing layer, and the first driving electrode and the first sensing electrode.Type: GrantFiled: February 11, 2020Date of Patent: December 5, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Choon Hyop Lee, Kang Won Lee, Seung Hwan Chung, Sang Chul Lee
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Patent number: 11829564Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.Type: GrantFiled: November 30, 2022Date of Patent: November 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Do Ik Kim, Jang hui Kim, Sang Chul Lee, Ga Young Kim
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Publication number: 20230334276Abstract: A method and apparatus for providing a service based on a digital card connected to a digital code are provided. A service providing server is configured to generate a digital code connected to a service account of a partner terminal by connecting a plurality of digital codes selected by the partner terminal to a digital code and a user terminal is configured to use a digital card associated with the a user account among the plurality of digital cards connected to the digital code by scanning the digital code displayed on an online area and an offline area.Type: ApplicationFiled: April 14, 2023Publication date: October 19, 2023Inventors: Na Yeong HONG, Hun Jae LEE, Sang Chul LEE, Hae Won SIM, Min Ji JO, Seung Hyun KO
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Publication number: 20230325019Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.Type: ApplicationFiled: June 13, 2023Publication date: October 12, 2023Inventors: Do Ik Kim, Ga Young Kim, Sang Hyun Lim, Young Sik Kim, Sang Chul Lee, Hwan Hee Jeong
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Patent number: 11775123Abstract: A touch sensor includes a sensor unit including a plurality of first electrodes in an active area spaced apart from each other, and at least one second electrode, a plurality of sensing channels respectively coupled to one of the first electrodes, and each sensing channel including a reference node having a variable voltage coupled to the at least one second electrode, and a processor configured to receive output signals from the sensing channels, and detect a touch input based on the output signals. The plurality of sensing channels may be configured to supply driving signals to respective first electrodes during a first period, receive sensing signals from respective first electrodes during a second period, and generate the output signals corresponding to the sensing signals received from respective first electrodes based on potentials of the respective reference nodes. A method of driving a touch sensor also is disclosed.Type: GrantFiled: April 4, 2022Date of Patent: October 3, 2023Assignee: Samsung Display Co., Ltd.Inventors: Do Ik Kim, Ga Young Kim, Young Sik Kim, Sang Chul Lee
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Patent number: 11773109Abstract: The present invention relates to various compounds capable of temporarily hardening soft tissue for surgical suturing of the soft tissue. The compounds according to the present invention can temporarily increase the hardness or tension of soft tissue, thereby improving the suturing efficiency during suturing of the soft tissue, thereby preventing aftereffects or the like from occurring due to insufficient anastomosis. In addition, the compounds according to the present invention can temporarily increase the hardness or tension of soft tissue, particularly pancreas, thereby increasing the suturing efficiency during pancreaticoduodenectomy and effectively preventing pancreatic leakage.Type: GrantFiled: July 9, 2020Date of Patent: October 3, 2023Inventors: Sang Chul Lee, Say June Kim, Kwan Young Jeong, Ok Hee Kim, Seok Jun Jo, Min Jin Yoo
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Patent number: 11768571Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.Type: GrantFiled: December 9, 2021Date of Patent: September 26, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jang Hui Kim, Ga Young Kim, Do Ik Kim, Sang Chul Lee, A Ra Jo
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Publication number: 20230266838Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.Type: ApplicationFiled: April 28, 2023Publication date: August 24, 2023Inventors: Jung Hak KIM, Do Ik KIM, Ga Young KIM, Young Sik KIM, Sang Chul LEE
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Patent number: 11714503Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.Type: GrantFiled: November 22, 2021Date of Patent: August 1, 2023Assignee: Samsung Display Co., Ltd.Inventors: Do Ik Kim, Ga Young Kim, Sang Hyun Lim, Young Sik Kim, Sang Chul Lee, Hwan Hee Jeong