Patents by Inventor Dae-Hwan JANG
Dae-Hwan JANG 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: 11497149Abstract: A display device includes a first heat dissipation member disposed on a display panel, and an air generator disposed on the first heat dissipation member, wherein the air generator includes an air blower, and an air flow path disposed at a side of the air blower and extending in a first direction. The air blower includes a body defining an inner space of the air blower, a first diaphragm and a second diaphragm disposed in the inner space of the body and facing each other, a first magnet disposed on a surface of the first diaphragm, and a second magnet disposed on a surface of the second diaphragm, and an air discharge hole of the body disposed between the first diaphragm and the second diaphragm, the air discharge hole opened toward the air path, and at least one of the first magnet and the second magnet is an electromagnet.Type: GrantFiled: April 5, 2021Date of Patent: November 8, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dae Hwan Jang, Yi Joon Ahn, Seok Hyun Nam, Haeng Won Park
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Publication number: 20220328724Abstract: A display device includes a first substrate including a first contact hole, a pad part on an upper surface of the first substrate and defining a second contact hole corresponding to the first contact hole, a bump connection electrode on the first substrate and extended into the second contact hole, a display layer on the pad part and the bump connection electrode, a flexible film on a lower surface of the first substrate and including a lead electrode adjacent to the first contact hole, and a bump electrode electrically connecting the lead electrode and the bump connection electrode to each other.Type: ApplicationFiled: February 3, 2022Publication date: October 13, 2022Inventors: Dae Hwan JANG, Seok Hyun NAM, Jin Ho CHO
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Publication number: 20220278088Abstract: A display panel comprising a display substrate having a display area and a pad area disposed around the display area. A connection wire is disposed on the pad area of the display substrate. A signal wire is disposed on the connection wire. A supporter is disposed between the display substrate and the connection wire. The connection wire directly contacts the supporter.Type: ApplicationFiled: June 26, 2020Publication date: September 1, 2022Inventors: Chan Jae PARK, Sang Duk LEE, Hyun A LEE, Dae Hwan JANG
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Publication number: 20220216289Abstract: A flexible display device includes a first flexible substrate that includes a signal line formed on one side of the first flexible substrate. A second flexible substrate is disposed on a second side of the first flexible substrate that is located opposite to the first side of the first flexible substrate. An opening penetrates the first flexible substrate and the second flexible substrate. A driver is attached to the second flexible substrate. A connection portion electrically connects the driver and the signal line to each other through the opening.Type: ApplicationFiled: September 2, 2021Publication date: July 7, 2022Inventors: Jae Been Lee, Ji Joon Ahn, Jun Woo You, Tae Ho Lee, Dae Hwan Jang
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Publication number: 20220052240Abstract: A display device includes: a substrate including a display area and a non-display area, the substrate having a first portion of a through hole penetrating in a thickness direction thereof in the display area, an etching stopper on one surface of the substrate, the etching stopper having a second portion of the through hole connected to one end of the first portion of the through hole, a display layer on one surface of the etching stopper, and the display layer including a connection line on the second portion of the through hole, an insulating layer on other surface opposite to the one surface of the substrate, the insulating layer having a third portion of the through hole connected to the other end of the first portion of the through hole, and a pad unit on an other surface of the insulating layer and connected to the connection line.Type: ApplicationFiled: June 29, 2021Publication date: February 17, 2022Inventors: Dae Hwan JANG, Cheol Min PARK, Woo Suk SEO, Jin Ho CHO
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Publication number: 20220052079Abstract: A display device includes a substrate including a first contact hole, an etching stopper disposed on a surface of the substrate and including the first contact hole, a metal pattern disposed on another surface opposite to the surface of the substrate and surrounding the first contact hole in a plan view, a first pad unit overlapping a part of the metal pattern and inserted into the first contact hole, a lead line disposed on the another surface of the substrate and electrically connected to another part of the metal pattern, a second pad unit disposed on the another surface of the substrate and electrically connected to the lead line, a protective film overlapping the another surface of the substrate and the lead line, and a protection part overlapping the first pad unit.Type: ApplicationFiled: August 4, 2021Publication date: February 17, 2022Applicant: Samsung Display Co., LTD.Inventors: Dae Hwan JANG, Yi Joon AHN, Jae Been LEE, Jin Ho CHO
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Publication number: 20220037420Abstract: A display device includes a base layer including a first surface and a second surface, pixels and first lines that are disposed on the first surface, second lines disposed on the second surface and corresponding to the first lines, a multi-layered etch stopper layer disposed on the first surface and disposed between the base layer and the first lines, and via holes penetrating the base layer and the multi-layered etch stopper layer, the via holes connecting the first lines to the second lines. The multi-layered etch stopper layer includes a first etch stopper layer disposed on the first surface and surrounding each of the via holes, the first etch stopper layer including an inorganic layer, and a second etch stopper layer entirely disposed on the first surface including the first etch stopper layer, the second etch stopper layer being open in a region corresponding to the via holes.Type: ApplicationFiled: May 10, 2021Publication date: February 3, 2022Applicant: Samsung Display Co., LTD.Inventors: Dae Hwan JANG, Jae Been LEE, Jin Ho CHO
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Publication number: 20220013576Abstract: A display device includes a substrate including a first contact hole disposed on a surface of the substrate, a first connection line disposed on the surface of the substrate and electrically connected to a pad unit disposed on another surface opposite to the surface of the substrate through the first contact hole, a filling part filling a depression of the first connection line formed in the first contact hole to planarize an upper surface of the first connection line, a thin film transistor layer disposed on the substrate and the first connection line, the thin film transistor layer comprising at least one thin film transistor, and a light emitting element layer disposed on the thin film transistor layer, the light emitting element layer including a light emitting element electrically connected to the at least one thin film transistor. The thin film transistor layer comprises a second connection line.Type: ApplicationFiled: June 17, 2021Publication date: January 13, 2022Applicant: Samsung Display Co., LTD.Inventors: Sung Won CHO, Yun Jong YEO, Hyun Min CHO, Dae Hwan JANG
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Publication number: 20220005796Abstract: A display device comprises a substrate including emission areas, and light blocking areas adjacent to the emission areas, a thin film transistor layer comprising a thin film transistor disposed on the substrate, and a connection line electrically connected to the thin film transistor, a light emitting element layer disposed on the thin film transistor layer and comprising light emitting elements corresponding to the emission areas, an encapsulation layer overlapping the light emitting element layer, and a pad portion disposed on the encapsulation layer and in electrical contact with the connection line through a contact hole in the encapsulation layer.Type: ApplicationFiled: May 18, 2021Publication date: January 6, 2022Applicant: Samsung Display Co., LTD.Inventor: Dae Hwan JANG
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Publication number: 20210408109Abstract: A display device includes a substrate comprising a display part, a pad part, and a bending part between the display part and the pad part, a display layer disposed on a first surface of the display part and comprising pixels, a pad electrode disposed on a first surface of the pad part, and a metal layer disposed on a second surface of the display part and on a second surface of the pad part. The second surface of the display part is opposite to the first surface of the display part, and the second surface of the pad part is opposite to the first surface of the pad part. A thickness of the bending part is smaller than at least one of a thickness of the display part and a thickness of the pad part. A planar shape of the bending part is determined by the metal layer.Type: ApplicationFiled: June 14, 2021Publication date: December 30, 2021Applicant: Samsung Display Co., LTD.Inventors: Dae Hwan JANG, Woo Yong SUNG, Jin Ho CHO
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Publication number: 20210392796Abstract: A display device includes a first heat dissipation member disposed on a display panel, and an air generator disposed on the first heat dissipation member, wherein the air generator includes an air blower, and an air flow path disposed at a side of the air blower and extending in a first direction. The air blower includes a body defining an inner space of the air blower, a first diaphragm and a second diaphragm disposed in the inner space of the body and facing each other, a first magnet disposed on a surface of the first diaphragm, and a second magnet disposed on a surface of the second diaphragm, and an air discharge hole of the body disposed between the first diaphragm and the second diaphragm, the air discharge hole opened toward the air path, and at least one of the first magnet and the second magnet is an electromagnet.Type: ApplicationFiled: April 5, 2021Publication date: December 16, 2021Applicant: Samsung Display Co., LTD.Inventors: Dae Hwan JANG, Yi Joon AHN, Seok Hyun NAM, Haeng Won PARK
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Publication number: 20210325711Abstract: Provided is a tiled display device including a plurality of display devices each having a display panel including a plurality of pixels and a support plate disposed under the display panel, a lower cover including an alignment hole and coupled to a lower portion of the support plate of each of the plurality of display devices, and a first coupling member including a base portion fixed to the support plate and a first coupling portion protruding from the base portion and passing through the alignment hole. A diameter of the first coupling portion is smaller than a diameter of the alignment hole.Type: ApplicationFiled: January 28, 2021Publication date: October 21, 2021Inventors: Jong Hyeon CHOI, Haeng Won PARK, Il Hyun YANG, Dae Hwan JANG, Jin Ho CHO
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Patent number: 10935837Abstract: A wire grid pattern used as a wire grid polarizer included in a display device or a master substrate for fabricating the wire gird polarizer includes a substrate; a cell area having a plurality of cells, each of the plurality of cells having a plurality of wires protruding from the substrate and arranged in a substantially parallel relationship at regular intervals; and a bezel area disposed along a periphery of the cell area. The cell area includes a trench area separating at least some of the cells. A method for fabricating the wire grid pattern also is disclosed.Type: GrantFiled: January 8, 2020Date of Patent: March 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Dae-Hwan Jang, Seung Won Park, Tae Woo Kim, Jung Gun Nam, Dae Young Lee, Gug Rae Jo
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Patent number: 10663790Abstract: A display panel including a base substrate which includes a display area and a non-display area, a polarizing member disposed on a surface of the base substrate and including a plurality of grid patterns overlapping the display area and a reflective pattern overlapping the non-display area, and a pixel array layer which overlaps the polarizing member and is insulated from the polarizing member. A first height from the surface of the base substrate to an upper surface of the reflective pattern is different from a second height from the surface of the base substrate to upper surfaces of the grid patterns.Type: GrantFiled: October 22, 2018Date of Patent: May 26, 2020Assignee: Samsung Display Co., Ltd.Inventors: Seung Won Park, Dae Young Lee, Dong Eon Lee, Dae Hwan Jang, Gug Rae Jo
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Publication number: 20200150486Abstract: A wire grid pattern used as a wire grid polarizer included in a display device or a master substrate for fabricating the wire gird polarizer includes a substrate; a cell area having a plurality of cells, each of the plurality of cells having a plurality of wires protruding from the substrate and arranged in a substantially parallel relationship at regular intervals; and a bezel area disposed along a periphery of the cell area. The cell area includes a trench area separating at least some of the cells. A method for fabricating the wire grid pattern also is disclosed.Type: ApplicationFiled: January 8, 2020Publication date: May 14, 2020Inventors: Dae-Hwan JANG, Seung Won Park, Tae Woo Kim, Jung Gun Nam, Dae Young Lee, Gug Rae Jo
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Patent number: 10558077Abstract: A wire grid pattern used as a wire grid polarizer included in a display device or a master substrate for fabricating the wire gird polarizer include a substrate; a cell area having a plurality of cells, each of the plurality of cells having a plurality of wires protruding from the substrate and arranged in a substantially parallel relationship at regular intervals; and a bezel area disposed along a periphery of the cell area. The cell area includes a trench area separating at least some of the cells. A method for fabricating the wire grid pattern also is disclosed.Type: GrantFiled: August 23, 2017Date of Patent: February 11, 2020Assignee: Samsung Display Co., Ltd.Inventors: Dae-Hwan Jang, Seung Won Park, Tae Woo Kim, Jung Gun Nam, Dae Young Lee, Gug Rae Jo
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Publication number: 20190056621Abstract: A display panel including a base substrate which includes a display area and a non-display area, a polarizing member disposed on a surface of the base substrate and including a plurality of grid patterns overlapping the display area and a reflective pattern overlapping the non-display area, and a pixel array layer which overlaps the polarizing member and is insulated from the polarizing member. A first height from the surface of the base substrate to an upper surface of the reflective pattern is different from a second height from the surface of the base substrate to upper surfaces of the grid patterns.Type: ApplicationFiled: October 22, 2018Publication date: February 21, 2019Inventors: Seung Won Park, Dae Young Lee, Dong Eon Lee, Dae Hwan Jang, Gug Rae Jo
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Patent number: 10180593Abstract: A display device includes a display area and a seal area which surrounds the display area. The display device includes a first display substrate, a second display substrate facing the first display substrate; and a sealant disposed between the first display substrate and the second display substrate, in the seal area. The first display substrate has a first base substrate, a first polarizing element including a plurality of first linear patterns extending along a first direction on the first base substrate, and a first protective layer on the first polarizing element and including a first opening. The sealant covers the first opening. Adjacent first linear patterns are separated from each other along a second direction, intersecting the first direction, by a first gap and the first opening exposes at least one first gap in the seal area.Type: GrantFiled: July 26, 2017Date of Patent: January 15, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Soo Jang, Ki Chul Shin, Dae Hwan Jang
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Patent number: 10139673Abstract: Provided is a display panel including a base substrate which includes a display area and a non-display area, a polarizing member disposed on a surface of the base substrate and including a plurality of grid patterns overlapping the display area and a reflective pattern overlapping the non-display area, and a pixel array layer which overlaps the polarizing member and is insulated from the polarizing member, wherein a first height from the surface of the base substrate to an upper surface of the reflective pattern is different from a second height from the surface of the base substrate to upper surfaces of the grid patterns.Type: GrantFiled: November 22, 2016Date of Patent: November 27, 2018Assignee: Samsung Display Co., Ltd.Inventors: Seung Won Park, Dae Young Lee, Dong Eon Lee, Dae Hwan Jang, Gug Rae Jo
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Patent number: 9989845Abstract: An exemplary embodiment discloses an imprint lithography method including: forming a first imprint pattern on a base substrate in a first area; forming a first resist pattern on the base substrate in a second area, the second area partially overlapping the first area; etching a third area using the first imprint pattern and the first resist pattern as an etch barrier, wherein the third area is a portion of the first area that is not overlapped with the second area; removing the first imprint pattern and the first resist pattern; forming a second imprint pattern on the base substrate in a fourth area which overlaps the second area and partially overlaps the third area; forming a second resist pattern on the base substrate in the third area; and etching the second area using the second imprint pattern and the second resist pattern as an etch barrier.Type: GrantFiled: January 8, 2016Date of Patent: June 5, 2018Assignee: Samsung Display Co., Ltd.Inventors: Seung-Won Park, Dae-Hwan Jang, Min-Uk Kim, Jung-Gun Nam, Dae-Young Lee, Gug-Rae Jo