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公开(公告)号：US11678452B2
公开(公告)日：2023-06-13
申请号：US16844630
申请日：2020-04-09
申请人： UTI INC.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Kukhyun Sunwoo , Tea Joo Ha
CPC分类号： H05K5/03 , G02B1/14 , H05K5/0017
摘要： A cover window is provided, and more particularly, a flexible glass-based cover window for a flexible display is provided, the cover window including: a folding part slimmed by corresponding to a folding area of the display, and a boundary part provided on opposite ends of the folding part, the boundary part having a thickness gradually becoming larger from the folding part and continuing to a plane area of the cover window, wherein inclination of the boundary part is 1 to 10° relative to the folding part.
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公开(公告)号：US20190094429A1
公开(公告)日：2019-03-28
申请号：US16128190
申请日：2018-09-11
申请人： UTI, Inc.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Hyunho Kim , Tea Joo Ha , JongHwa Lee
摘要： Disclosed is an optical filter and a method of manufacturing the same, the optical filter including a tempered glass substrate and an optical filter formed on upper and lower surfaces of the tempered glass substrate and the method including: forming a sheet-cutting portion on a base glass substrate on a per-cell basis; tempering the base glass substrate such that upper and lower surfaces of the base glass substrate are tempered and a side portion thereof is tempered through the sheet-cutting portion as well; forming an optical filter layer on each of upper and lower surfaces of the base glass substrate; and dividing the base glass substrate into cells where each cell serves as a cell-based optical filter.
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公开(公告)号：US11322054B2
公开(公告)日：2022-05-03
申请号：US16856078
申请日：2020-04-23
申请人： UTI INC.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Kukhyun Sunwoo , Tea Joo Ha
IPC分类号： G09F9/30
摘要： A cover window is proposed. Particularly, a flexible cover window having improved visibility for a flexible display is proposed, the flexible cover window including: a first window made of glass and provided on an upper part of a first surface of the flexible display; a second window made of glass and provided on an upper part of a second surface of the flexible display; and a folding part provided between the first window and the second window by corresponding to a folding area of the display and filled with a transparent resin material, wherein a transparent resin layer is provided on a total surface of each of the first window and the second window by continuing to the folding part filled with the transparent resin material.
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公开(公告)号：US20190310401A1
公开(公告)日：2019-10-10
申请号：US16357974
申请日：2019-03-19
申请人： UTI INC.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Hyunho Kim , Tea Joo Ha , JongHwa Lee
IPC分类号： G02B5/20
摘要： Disclosed is a near-infrared filter. The near-infrared filter includes a filter-support-seat body including a quadrangular pillar cell region and a dummy region which surrounds the cell region and which is gradually reduced in size from the cell region, and an optical-filter-subdivision layer covering the cell region and the dummy region at a front side and a rear side of the filter-support-seat body based on the path of a light beam which is incident on the front side and penetrates the rear side in the filter-support-seat body. The dummy region has a chamfered side that is slanted obliquely in at least one side of the front side and the rear side of the filter-support-seat body. Further, a method of manufacturing the near-infrared filter is disclosed for each process step.
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公开(公告)号：US20200324521A1
公开(公告)日：2020-10-15
申请号：US16832857
申请日：2020-03-27
申请人： UTI INC.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Kukhyun Sunwoo , Tea Joo Ha
摘要： A cover window is provided, and a manufacturing method of a flexible glass-based cover window having improved visibility for a flexible display is provided, the method including: forming a folding part slimmed by corresponding to a folding area of the display, and forming a boundary part on opposite ends of the folding part, the boundary part having a thickness gradually becoming larger from the folding part and continuing to a plane area of the cover window, and having a shape of at least two steps, wherein the folding part and the boundary part are configured by a multi-slimming process.
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公开(公告)号：US20200292731A1
公开(公告)日：2020-09-17
申请号：US16801701
申请日：2020-02-26
申请人： UTI INC.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Kukhyun Sunwoo , Tea Joo Ha
摘要： A cover window is provided, which is a flexible cover window, the cover window being a glass-based cover window for a flexible display and including: a folding part slimmed by corresponding to a folding area of the display, wherein a thickness (t2) of the cover window is 50 to 300 μm and a thickness (t1) of the folding part is 20 to 100 μm. The glass-based cover window has excellent strength and folding properties while maintaining the intrinsic texture of glass.
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公开(公告)号：US20190179066A1
公开(公告)日：2019-06-13
申请号：US16209509
申请日：2018-12-04
申请人： UTI Inc.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Hyunho Kim , Tea Joo Ha , JongHwa Lee
摘要： Disclosed is an optical-filter-cell-array structure and a method of manufacturing the same. An optical filter which includes an optical filter layer for blocking light of a specific wavelength formed on an upper side or a lower side of a tempered glass substrate is provided in the form of a cell array. The method includes forming a sheet-cutting part according to the form of a cell array on a mother glass substrate, tempering the mother glass substrate so that a lateral side of the mother glass substrate is tempered through the sheet-cutting part while an upper side and a lower side of the mother glass substrate are tempered, and forming an optical filter layer on the upper side or the lower side of the mother glass substrate.
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公开(公告)号：US12044822B2
公开(公告)日：2024-07-23
申请号：US16801701
申请日：2020-02-26
申请人： UTI INC.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Kukhyun Sunwoo , Tea Joo Ha
CPC分类号： G02B1/14 , G02B1/11 , G02B1/18 , G06F1/1609 , G06F1/1641 , G06F1/1652 , G09F9/301 , G06F1/1637 , G06F2203/04102
摘要： A cover window is provided, which is a flexible cover window, the cover window being a glass-based cover window for a flexible display and including: a folding part slimmed by corresponding to a folding area of the display, wherein a thickness (t2) of the cover window is 50 to 300 μm and a thickness (t1) of the folding part is 20 to 100 μm. The glass-based cover window has excellent strength and folding properties while maintaining the intrinsic texture of glass.
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公开(公告)号：US11780771B2
公开(公告)日：2023-10-10
申请号：US16892196
申请日：2020-06-03
申请人： UTI INC.
发明人： Deok Young Park , Jae Young Hwang , Hak Chul Kim , Kukhyun Sunwoo , Tea Joo Ha
CPC分类号： C03C21/002 , C03C15/00 , C03C17/32 , C03C19/00 , H04M1/0268 , H05K5/0017 , H05K5/03
摘要： Proposed is a flexible cover window having a folding part, the cover window being a glass-based cover window for a flexible display and including: a plane part provided by corresponding to a plane area of the display, and a folding part provided by continuing to the plane part, by corresponding to a folding area of the display, and by being slimmed to be thinner than the plane part, wherein a depth of layer (DOL) of the plane part is larger than a depth of layer (DOL) of the folding part.
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10.发明申请公开(公告)号：US20220194848A1
公开(公告)日：2022-06-23
申请号：US17552950
申请日：2021-12-16
申请人： UTI INC.
发明人： Deok Young Park , Jae Young Hwang , Kukhyun Sunwoo , Tea Joo Ha
摘要： Proposed is a flexible cover window manufacturing method capable of simultaneously reinforcing a plane part and a folding part by using alkali-based metal ions having an ionic radius smaller than that of alkali-based metal ions contained in a glass. A flexible cover window manufactured using the same method is also proposed. The plane part and the folding part are simultaneously reinforced using alkali-based metal ions having a smaller ionic radius than alkali-based metal ions included in a glass to simplify the process, and the flexible cover window ensures strength and folding characteristics by controlling tensile stress of the entire part of the flexible cover window.
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