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公开(公告)号：US20230202916A1
公开(公告)日：2023-06-29
申请号：US18176466
申请日：2023-02-28
发明人： Hoi Kwan Lee , Myung Hwan Kim , Seung Kim , Seung Ho Kim , Eun Kyung Yeon , Jeong Seok Lee , Ik Hyung Park , Jong Hoon Yeum
CPC分类号： C03C21/002 , C03C21/008 , H10K77/111 , Y02E10/549 , H10K2102/311
摘要： A glass substrate has a first surface, a second surface opposite to the first surface, and a thickness from the first surface to the second surface. The glass substrate includes a first region, a second region, and a third region. The first region extends from the first surface a first depth into the glass substrate and has a first compressive stress. The second region extends from the second surface a second depth into the glass substrate and has a second compressive stress different from the first compressive stress. The third region is between the first region and the second region. In the glass substrate, the first compressive stress has a maximum value at a location between the first surface and the first depth, and the second compressive stress has a maximum value at a location between the second surface and the second depth.
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公开(公告)号：US20180257982A1
公开(公告)日：2018-09-13
申请号：US15863110
申请日：2018-01-05
发明人： Hoi Kwan Lee , Cheol Min Park , Eun Kyung Yeon , Jeong Seok Lee , Seung Ho Kim
CPC分类号： C03C23/008 , C03C15/02 , C03C21/002
摘要： According to an exemplary embodiment of the present disclosure, a method of manufacturing a display window includes preparing a mother substrate, performing a salt treatment on the mother substrate to form a silicon-rich layer in a surface of the mother substrate to a first depth from the surface of the mother substrate, and removing the silicon-rich layer, wherein the first depth is greater than a depth of any cracks in the surface of the mother substrate, and a ratio of silicon content in the silicon-rich layer to a silicon content in the mother substrate is 1.2 to 1.4.
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公开(公告)号：US20180136095A1
公开(公告)日：2018-05-17
申请号：US15816943
申请日：2017-11-17
发明人： Cheol Min Park , Jeong Woo Park , Seung Kim , Seung Ho Kim , Hoi Kwan Lee , Woo Jin Cho , Hee Kyun Shin , Hyun Joon Oh
IPC分类号： G01N1/30 , G01N21/958
摘要： A method of detecting defects of a glass substrate includes cutting a glass mother substrate into a plurality of glass substrates, penetrating ions into an incision surface of the glass substrate to visualize defects of the incision surface, and photographing the defects of the incision surface to determine a bending strength of the glass substrate based on a size of the defects.
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公开(公告)号：US11639309B2
公开(公告)日：2023-05-02
申请号：US16931142
申请日：2020-07-16
发明人： Byung Hoon Kang , Seung Kim , Gyu In Shim , Hoi Kwan Lee
摘要： A glass product includes: a first compressive region at a first surface; a second compressive region at a second surface; and a tensile region between the first and second compression regions. A stress profile of the first compressive region includes a first trend line between the first surface and a first transition point, a second trend line between the first transition point and a second transition point, and a third trend line between the second transition point and a point at a first compression depth from the first surface. A depth from the first surface to the first transition point is 10 μm or less, a stress at the first transition point is 200 MPa or greater, a depth from the first surface to the second transition point is 50 μm to 80 μm, and a stress at the second transition point is 40 MPa to 100 MPa.
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公开(公告)号：US10112863B2
公开(公告)日：2018-10-30
申请号：US15147927
申请日：2016-05-06
发明人： Seung Kim , Myung Hwan Kim , Seung Ho Kim , June Hyoung Park , Hoi Kwan Lee
摘要： A float glass includes a core layer, an upper ion exchange layer disposed on the core layer, and a lower ion exchange layer disposed below the core layer, where a density of the upper ion exchange layer is about 0.001 kilogram per cubic meter (kg/m3) to about 0.01 kg/m3 greater than a density of the lower ion exchange layer.
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公开(公告)号：US09711754B2
公开(公告)日：2017-07-18
申请号：US14927045
申请日：2015-10-29
发明人： Hoi Kwan Lee , Seung Kim , Seung Ho Kim , Cheol Min Park , Eun-Kyung Yeon , In Sun Hwang
IPC分类号： H01L51/52 , H01L51/56 , G02F1/1333 , G02F1/1339
CPC分类号： H01L51/5237 , G02F1/133351 , G02F1/1339 , G02F2001/133354 , H01L51/5246 , H01L51/56 , H01L2251/5338 , H01L2251/566
摘要： An exemplary embodiment provides a manufacturing method of a display device, including: preparing a first panel and a second panel that are respectively provided with one or more pattern layers formed on a substrate; bonding the first panel and the second panel; cutting the bonded panel into division panels of a cell unit; chamfering the division panels; and chemical reinforcing the chamfered division panels.
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公开(公告)号：US11760688B2
公开(公告)日：2023-09-19
申请号：US16998062
申请日：2020-08-20
发明人： Hoi Kwan Lee
IPC分类号： C03C21/00 , C03C27/10 , C03C4/18 , G02F1/1333
CPC分类号： C03C21/003 , C03C4/18 , C03C21/002 , C03C27/10 , G02F1/133302 , G02F1/133331
摘要： A glass article includes a first surface, a second surface which is opposite the first surface, a first compressive region which extends to a first compression depth in a thickness direction from the first surface, a second compressive region which extends to a second compression depth from the second surface, and a tensile region which is disposed between the first compressive region and the second compressive region. A stress profile of the first compressive region includes a first point and a first inflection point, the first inflection point is located between the first point and the first surface, a depth from the first surface to the first point is 45 to 55% of the first compression depth from the first surface, stress at the first point is greater than 50% of compressive stress of the first surface, and a thickness of the glass article is 0.01 to 0.05 mm.
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公开(公告)号：US11708301B2
公开(公告)日：2023-07-25
申请号：US16162321
申请日：2018-10-16
发明人： Hoi Kwan Lee , Sung Hoon Kim , Seung Ho Kim , Sook Kyung You , An Na Ryu , Jeong Seok Lee
CPC分类号： C03C21/002 , B24B1/00 , B32B17/10128 , C03C3/04 , C03C15/00 , C03C19/00
摘要： A method for producing a glass article is provided. The method for producing a glass article, the method including preparing a glass to be processed, the glass comprising a glass bulk and a low-refractive surface layer disposed on the glass bulk, and etching away the low-refractive surface layer to form an etched glass, wherein the etching away the low-refractive surface layer comprises: cleaning the low-refractive surface layer with an acid solution; and cleaning the low-refractive surface layer with a base solution after the cleaning it with the acid solution.
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公开(公告)号：US11626572B2
公开(公告)日：2023-04-11
申请号：US17198552
申请日：2021-03-11
发明人： Byeong Beom Kim , Min Ki Kim , Yu Ri Kim , Hoi Kwan Lee
摘要： In a method of fabricating a cover window, the method includes: forming, on a glass article having a flat upper surface, a mask layer including water glass and a recess portion having a partially recessed upper surface; and etching the mask layer and the glass article to form a cover window having a partially recessed upper surface.
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公开(公告)号：US11557641B2
公开(公告)日：2023-01-17
申请号：US17060771
申请日：2020-10-01
发明人： Byeong Beom Kim , Min Ki Kim , Yu Ri Kim , Woo Suk Seo , Hoi Kwan Lee
摘要： A display device includes a display panel including panel pads adjacent to the side surface of a display panel; connection pads disposed on the side surface of the display panel and connected to the panel pads; and a circuit board disposed on the side surface of the display panel and including lead signal lines directly bonded to the connection pads, wherein the connection pads include a first connection pad, a second connection pad disposed on the first connection pad, and a third connection pad disposed on the second connection pad, and the first connection pad is in contact with corresponding one of the panel pads, and the third connection pad is directly bonded to corresponding one of the lead signal lines.
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