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公开(公告)号：US20220328439A1
公开(公告)日：2022-10-13
申请号：US17713248
申请日：2022-04-05
发明人： Myong Soo OH , Hee Jong SHIN , Hyun Chul JIN
IPC分类号： H01L23/00
摘要： A display device includes a display area; a pad area including a first pad for supplying a data signal to the display area, second pads for transmitting a DC signal, and a dummy pad, wherein each of the first pad, the second pads, and the dummy pad has a surface as a top face thereof, wherein each of the surface of the first pad, the surface of the second pads, and the surface of the dummy pad has a corresponding vertical level in a thickness direction of the display device, wherein the vertical level of the surface of each of the second pads is higher than the vertical level of the surface of the first pad, wherein the vertical level of the surface of the dummy pad is lower than or equal to the vertical level of the surface of the first pad.
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公开(公告)号：US20210382364A1
公开(公告)日：2021-12-09
申请号：US17198284
申请日：2021-03-11
发明人： Myong Soo OH , Jun O Song , Seung Ho Choi
IPC分类号： G02F1/1362 , H01L23/495
摘要： A chip on film for a display device, the chip on film includes: a base substrate; a lead wire disposed on the base substrate; and a driving chip connected to the lead wire, wherein the lead wire includes: a first lead part having a first thickness; and a second lead part disposed between the first lead part and the driving chip and having a second thickness greater than the first thickness, the second lead part being connected to the driving chip. The first lead part and the second lead part include a same material.
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公开(公告)号：US20210018964A1
公开(公告)日：2021-01-21
申请号：US16822829
申请日：2020-03-18
发明人： Myong Soo OH , Seung Ho CHOI , Ji Hoon HWANG
IPC分类号： G06F1/18 , G02F1/1362 , H01L27/32 , G06F1/16
摘要： A display device includes a base substrate including a display area and a non-display area at a periphery of the display area; a first signal wiring on the non-display area of the base substrate and including a first wiring part and a second wiring part connected to the first wiring part; and a printed circuit board including a lead wiring on the first signal wiring. The second wiring part includes an open part passing through a surface of the second wiring part in a thickness direction, the second wiring part includes a long side extending along a first direction and a short side extending along a second direction intersecting the first direction, and a separation distance between the open part and an end of the short side of the second wiring part in the first direction is within about 0.4 times the long side of the second wiring part.
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公开(公告)号：US20230133340A1
公开(公告)日：2023-05-04
申请号：US18147990
申请日：2022-12-29
发明人： Myong Soo OH , Doo San PARK , Hyun Chul JIN , Hee Jong SHIN
摘要： A bonding apparatus includes: an anisotropic conductive film (“ACF”) attachment unit which attaches a first ACF and a second ACF onto a display panel assembly; a compression unit which compresses a first chip-on-film (“COF”) on the first ACF and compresses a second COF on the second ACF; and a buffer unit which rotates the display panel assembly, on which the first ACF and the second COF are compressed, on a plane.
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公开(公告)号：US20220197069A1
公开(公告)日：2022-06-23
申请号：US17553560
申请日：2021-12-16
发明人： Myong Soo OH , Hee Jong SHIN , Hyun Chul JIN
IPC分类号： G02F1/1345 , G02F1/1362 , H05K1/02
摘要： The display device comprises a first base portion including display and non-display areas and a pad area, and a printed circuit film attached to the pad area of the first base portion, wherein pad electrodes on the first base portion and a first panel alignment mark on one side of the plurality of pad electrodes are disposed in the pad area, a first protective layer is on the pad electrodes, and a first open portion that exposes a portion of an upper surface of each pad electrode is defined in the protective layer, the printed circuit film includes a third base portion and lead electrodes on a lower surface of the third base portion and connected to the pad electrodes, and the first panel alignment mark includes a first panel alignment metal portion and a second open portion and surrounded by the first panel alignment metal portion on a plane.
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公开(公告)号：US20240063350A1
公开(公告)日：2024-02-22
申请号：US18144015
申请日：2023-05-05
发明人： Myong Soo OH
IPC分类号： H01L33/54 , H01L33/62 , H01L25/075
CPC分类号： H01L33/54 , H01L33/62 , H01L25/0753
摘要： A display device includes a display device including a substrate including a display area, on which a plurality of pixels is disposed, and a pad area positioned in a periphery of the display area, a first insulating layer disposed on the substrate, a pad electrode disposed on the first insulating layer in the pad area, a peeling prevention structure disposed on the first insulating layer in the pad area to be spaced apart from the pad electrode, where the peeling prevention structure includes a first side surface facing the pad electrode and a second side surface opposite to the first side surface, and a second insulating layer disposed on the pad electrode and the peeling prevention structure, where an end of the first insulating layer is in contact with the second side surface of the peeling prevention structure, and an end of the second insulating layer is aligned with a boundary of a top surface of the peeling prevention structure.
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公开(公告)号：US20220075432A1
公开(公告)日：2022-03-10
申请号：US17527600
申请日：2021-11-16
发明人： Myong Soo OH , Seung Ho CHOI , Ji Hoon HWANG
IPC分类号： G06F1/18 , G06F1/16 , H01L27/32 , G02F1/1362
摘要： A display device includes a base substrate including a display area and a non-display area at a periphery of the display area; a first signal wiring on the non-display area of the base substrate and including a first wiring part and a second wiring part connected to the first wiring part; and a printed circuit board including a lead wiring on the first signal wiring. The second wiring part includes an open part passing through a surface of the second wiring part in a thickness direction, the second wiring part includes a long side extending along a first direction and a short side extending along a second direction intersecting the first direction, and a separation distance between the open part and an end of the short side of the second wiring part in the first direction is within about 0.4 times the long side of the second wiring part.
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