Patents by Inventor Kwang-Min Kim
Kwang-Min Kim 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: 20240112948Abstract: A manufacturing method for a semiconductor device, includes: forming a first gate structure and a second gate structure on a substrate; forming a deep trench isolation (DTI) hard mask on the first and second gate structures; forming a deep trench isolation disposed between the first gate structure and the second gate structure; depositing a first undoped oxide layer in the deep trench isolation; performing a first etch-back process on the first undoped oxide layer to remove a portion of the undoped oxide layer; depositing a first deep trench isolation (DTI) gap-fill layer on a remaining portion of the undoped oxide layer, and performing a second etch-back process on the first DTI gap-fill layer; depositing a second DTI gap-fill layer to seal the deep trench isolation, and forming a planarized second DTI gap-fill layer by a planarization process; and depositing a second undoped layer on the planarized second DTI gap-fill layer.Type: ApplicationFiled: February 28, 2023Publication date: April 4, 2024Applicant: KEY FOUNDRY CO., LTD.Inventors: Kwang Il KIM, Yang Beom KANG, Sang Min HAN, Seong Hyun KIM
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Publication number: 20240105099Abstract: The embodiment relates to a data driving device for driving pixels of a display panel. In the data driving device, two adjacent DACs can have different gate loads for the same gray level value so that the fluctuation of the gate load according to the gray level value is reduced.Type: ApplicationFiled: November 17, 2023Publication date: March 28, 2024Applicant: LX SEMICON CO., LTD.Inventors: Da Sol WON, Kwang Myung KANG, Yong Min KIM, Dong Keun SONG, Jung Min CHOI, Seon Ho HONG
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Publication number: 20240099103Abstract: A display device includes a display area, a peripheral area disposed outside the display area, and a sealing area disposed outside the peripheral area, a first base substrate, a second base substrate facing the first base substrate, a color filter layer disposed under the first base substrate, a bank layer disposed under the color filter layer, and a sealing member disposed between the bank layer and the second base substrate in the sealing area. The bank layer includes bank patterns defining an opening disposed at least in the sealing area, and the sealing member fills the opening. Each of the bank patterns includes a first surface adjacent to the color filter layer and a second surface opposite to the first surface and adjacent to the sealing member. A width of the second surface is greater than a width of the first surface.Type: ApplicationFiled: April 28, 2023Publication date: March 21, 2024Applicant: Samsung Display Co., LTD.Inventors: KWANG-MIN LEE, JUNHWI LIM, MIN-UK KIM, HO-YONG SHIN, SEON UK LEE, KANG SOO HAN
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Publication number: 20240085088Abstract: The present invention relates to a refrigerator, and particularly, to a refrigerator characterized by comprising: a main body which includes an outer casing and an inner casing, wherein the outer casing has an opening formed in a back panel thereof, and the inner casing is provided within the outer casing and provides, in an upper part thereof, an ice-making compartment and a refrigerator compartment, and a freezer compartment in a lower part thereof; an evaporator casing which is provided between the outer casing and the inner casing and forms an installation space in communication with the ice-making compartment and the opening; an evaporator which is installed in the installation space via the opening and provides cold air to the ice-making compartment; and an insulating cover which opens and closes the opening. Accordingly, the evaporator can be installed from the outside of the back panel of the main body, thus allowing the installation space of the evaporator casing to remain securely sealed.Type: ApplicationFiled: October 16, 2019Publication date: March 14, 2024Applicant: WINIA ELECTRONICS CO., LTD.Inventors: Chang-Min KIM, Sung-Ik CHANG, Kwang Jin JOO
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Publication number: 20240086603Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Applicant: SAMSUNG ELECTRONICS CO, LTD.Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
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Publication number: 20240081061Abstract: A volatile memory device and a nonvolatile memory device are provided. Provided is a plurality of gate electrodes and a plurality of insulating patterns alternately stacked on top of each other in a first direction, an information storage film formed along a sidewall of a trench, wherein the trench extends through the plurality of gate electrodes and the insulating patterns in the first direction, and a semiconductor pattern formed on the information storage film, wherein the semiconductor pattern is made of polycrystalline silicon composed of a first monocrystalline silicon and a second monocrystalline silicon, wherein a metal silicide is present in a grain boundary between the first monocrystalline silicon and the second monocrystalline silicon, wherein the metal silicide is absent in each of the first monocrystalline silicon and the second monocrystalline silicon except for the grain boundary therebetween.Type: ApplicationFiled: April 27, 2023Publication date: March 7, 2024Inventors: Yu Yeon KIM, Si Yeong YANG, Chae Ho KIM, Kwang Min PARK
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Patent number: 11923580Abstract: Stainless steel for a fuel cell separator plate and a manufacturing method therefor are disclosed. The stainless steel for a fuel cell separator plate, according to one embodiment of the present invention, comprises: a stainless base material; and a passive film formed on the stainless base material, wherein a Cr/Fe atomic weight ratio in a 1 nm or less thickness region of the stainless base material, which is adjacent to an interface between the stainless and the passive film, is 0.45 or more. Therefore, by modifying the surface of the stainless steel for a fuel cell separator plate, a low interface contact resistance and a good corrosion resistance can be obtained, and a separate additional process such as precious metal coating can be removed, such that manufacturing costs are reduced and productivity can be improved.Type: GrantFiled: July 29, 2016Date of Patent: March 5, 2024Assignee: POSCO CO., LTDInventors: Kwang Min Kim, Jong Hee Kim, Ki Hoon Jo, Bo Sung Seo
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Patent number: 11915652Abstract: A display includes a plurality of pixels in a non-quadrangular display area and a plurality of first driving circuits and a plurality of second driving circuits in a peripheral area of the display area. Each of the pixels is connected to a first signal line in a first direction and a second signal line in a second direction crossing the first direction. Each of the first driving circuits outputs a first signal to the first signal line of a corresponding one of the pixels. Each of the second driving circuits outputs a second signal to the second signal line of a corresponding one of the pixels. The number of second driving circuits between neighboring first driving circuits is different depending on a position in the peripheral area.Type: GrantFiled: August 9, 2021Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Kyu Lee, Kwang-Min Kim, Byoung Sun Kim
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Patent number: 11899869Abstract: An input sensing unit including a plurality of first electrodes, which are arranged in a first direction and each of which extends in a second direction crossing the first direction, a plurality of row electrode each of which includes a second electrode and a third electrode, a plurality of first sensing lines respectively connected to the first electrodes, a plurality of second sensing lines respectively connected to the second electrodes, and a third sensing line connected to each of the third electrodes. Each of the row electrodes includes one side and the other side, which are opposed to each other in the first direction, and the one side is connected to one of one second sensing line and one third sensing line of the second sensing lines, and the other side is connected to the other of the second sensing lien and the third sensing line.Type: GrantFiled: January 16, 2023Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jisu Na, Kwang-min Kim, Kiwook Kim, Yangwan Kim
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Patent number: 11893941Abstract: A display device is provided. The display device may include a substrate, a plurality of pixels, a first data line, a second data line, a defect sensing line, a first input pad, and a static electricity discharge element. The substrate may include a display area and a peripheral area neighboring each other. The plurality of pixels may be positioned on the display area and may include a first pixel and a second pixel. The first data line may be electrically connected to the first pixel. The second data line may be electrically connected to the second pixel and may be electrically isolated from the first data line. The defect sensing line may be positioned on the peripheral area. The first input pad may be electrically connected to the defect sensing line. The static electricity discharge element may be electrically connected through the defect sensing line to the first input pad.Type: GrantFiled: January 30, 2023Date of Patent: February 6, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kwang-Min Kim, Seung-Kyu Lee, Won Kyu Kwak
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Patent number: 11862063Abstract: A display substrate and a display device including the display substrate are disclosed. In one aspect, the display substrate includes a plurality of pixels formed in a substantially circular pixel area and a driving circuit formed in a peripheral area surrounding the pixel area and configured to drive the pixels. A boundary is formed between the pixel area and the peripheral area, and the boundary is substantially concentric with respect to an arc defining the substantially circular pixel area. The driving circuit comprises a conductive pattern having a first side which extends in a peripheral direction crossing the boundary.Type: GrantFiled: January 10, 2023Date of Patent: January 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hye-Jin Shin, Won-Kyu Kwak, Kwang-Min Kim
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Publication number: 20230411405Abstract: A display device includes a transistor disposed on a substrate and including a first active pattern, a second active pattern electrically connected to the transistor, a first line disposed on the second active pattern, and a second line disposed under the second active pattern and partially overlapping the first line.Type: ApplicationFiled: April 25, 2023Publication date: December 21, 2023Applicant: Samsung Display Co., LTD.Inventors: KWANG-MIN KIM, KIWOOK KIM, WONKYU KWAK, DO YEON HWANG
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Publication number: 20230389385Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.Type: ApplicationFiled: May 23, 2023Publication date: November 30, 2023Inventors: TAE HOON KWON, WON KYU KWAK, KWANG-MIN KIM, HEY JIN SHIN, SEUNG-KYU LEE
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Publication number: 20230320134Abstract: A display panel includes a pixel unit including a plurality of pixels which emits light of different colors from each other, and a light blocking element disposed on the pixel unit and blocking a portion of light emitted from each of the plurality of pixels. Each of the plurality of pixels includes a pixel circuit, a first light emitting element electrically connected to the pixel circuit, and a second light emitting element electrically connected to the pixel circuit, where the second light emitting element emits light of a same color as light emitted from the first light emitting element. The light blocking element blocks a portion of light emitted from the first light emitting element and traveling in a first direction, and blocks a portion of light emitted from the second light emitting element and traveling in a second direction opposite to the first direction.Type: ApplicationFiled: March 2, 2023Publication date: October 5, 2023Inventors: KIWOOK KIM, KWANG-MIN KIM, DO YEON HWANG
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Publication number: 20230301146Abstract: A display device includes a transistor, a first pixel electrode connected to the transistor, a second pixel electrode adjacent to the first pixel electrode and connectable to the first pixel electrode by a global transistor, a connection pattern of the global transistor, the connection pattern contacting the first pixel electrode and the second pixel electrode, an insulation film on the first pixel electrode, the second pixel electrode and the connection pattern, and a signal line of the global transistor, on the insulation film and crossing the connection pattern, in a plan view.Type: ApplicationFiled: February 22, 2023Publication date: September 21, 2023Inventors: DO YEON HWANG, KWANG-MIN KIM, KIWOOK KIM
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Patent number: 11758785Abstract: A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.Type: GrantFiled: July 20, 2021Date of Patent: September 12, 2023Assignee: Samsung Display Co., Ltd.Inventors: Cheolhwan Eom, Kwang-Min Kim, Hyeaweon Shin, Sang Joon Ryu, Hyungjun An, Minji Lee, Yul Kyu Lee, Jeahyun Lee
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Publication number: 20230276679Abstract: A display device may include a display panel and an input sensor. Mesh lines of the input sensor may include first mesh lines extending in a first direction and second mesh lines extending in a second direction crossing the first direction. The first mesh lines and the second mesh lines may cross each other at a plurality of cross points. In a unit region of the sensing electrode, first cutting points may be defined in the first mesh lines and the second mesh lines, and second cutting points may be defined in the first mesh lines and the second mesh lines.Type: ApplicationFiled: May 4, 2023Publication date: August 31, 2023Inventors: Joong-Soo MOON, Kwang-Min KIM, Yangwan KIM, Keunsoo LEE, Youngjin CHO
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Patent number: 11690268Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.Type: GrantFiled: December 22, 2020Date of Patent: June 27, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Hoon Kwon, Won Kyu Kwak, Kwang-Min Kim, Hey Jin Shin, Seung-Kyu Lee
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Patent number: 11690270Abstract: A display device may include a display panel and an input sensor. Mesh lines of the input sensor may include first mesh lines extending in a first direction and second mesh lines extending in a second direction crossing the first direction. The first mesh lines and the second mesh lines may cross each other at a plurality of cross points. In a unit region of the sensing electrode, first cutting points may be defined in the first mesh lines and the second mesh lines, and second cutting points may be defined in the first mesh lines and the second mesh lines.Type: GrantFiled: May 29, 2022Date of Patent: June 27, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joong-Soo Moon, Kwang-Min Kim, Yangwan Kim, Keunsoo Lee, Youngjin Cho
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Publication number: 20230176670Abstract: An input sensing unit including a plurality of first electrodes, which are arranged in a first direction and each of which extends in a second direction crossing the first direction, a plurality of row electrode each of which includes a second electrode and a third electrode, a plurality of first sensing lines respectively connected to the first electrodes, a plurality of second sensing lines respectively connected to the second electrodes, and a third sensing line connected to each of the third electrodes. Each of the row electrodes includes one side and the other side, which are opposed to each other in the first direction, and the one side is connected to one of one second sensing line and one third sensing line of the second sensing lines, and the other side is connected to the other of the second sensing lien and the third sensing line.Type: ApplicationFiled: January 16, 2023Publication date: June 8, 2023Inventors: Jisu NA, Kwang-min KIM, Kiwook KIM, Yangwan KIM