公开(公告)号：US12265425B2

公开(公告)日：2025-04-01

申请号：US18238651

申请日：2023-08-28

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghoon Kim ,  Yuri Kim ,  Kang-Woo Lee ,  Seongjin Hwang

IPC: G06F1/16 ,  H04M1/02

Abstract: A window includes a substrate including a folding area folded about an imaginary folding axis and a non-folding area and including an upper surface and a lower surface and a plurality of groove patterns arranged in the folding area along a first direction crossing the folding axis. Each of the groove patterns includes a bottom surface recessed from the upper surface and substantially parallel to the upper surface and a side surface connecting the bottom surface and the upper surface. The side surface includes at least one curved surface.

公开(公告)号：US12019471B2

公开(公告)日：2024-06-25

申请号：US17966280

申请日：2022-10-14

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghoon Kim ,  Minsang Koo ,  Kyung-Man Kim ,  Seungho Kim ,  Min-Hoon Choi ,  Seongjin Hwang

IPC: G06F1/16

CPC classification number: G06F1/1616 ,  G06F1/1656

Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.

公开(公告)号：US20240140080A1

公开(公告)日：2024-05-02

申请号：US18319662

申请日：2023-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sanghoon Kim ,  Hyunji Lee ,  Byunghoon Kang ,  Sunghoon Kim ,  Jingyu Sim ,  Minhoon Choi ,  Seongjin Hwang

IPC: B32B37/00 ,  B32B37/06 ,  B32B37/08 ,  H05K5/03

CPC classification number: B32B37/0046 ,  B32B37/06 ,  B32B37/08 ,  H05K5/03 ,  B32B2260/02 ,  B32B2260/04 ,  B32B2315/08 ,  B32B2457/20

Abstract: An apparatus for manufacturing a display device includes a stacking unit capable of moving to a first location, a second location, and a third location, and stacking glass cover windows, each glass cover window including a folding region having a glass pattern extending in a first direction, a reinforcing unit arranged at the first location and containing a reinforcing solution such that the glass cover windows stacked in the stacking unit are submerged in the reinforcing solution, a heating unit arranged at the second location and heating the glass cover windows stacked in the stacking unit, and a cooling unit arranged at the third location and cooling the glass cover windows stacked in the stacking unit. At the second location, the stacking unit is arranged such that the first direction is parallel to a second direction in which a gravitational force is applied.

公开(公告)号：US11653464B2

公开(公告)日：2023-05-16

申请号：US17155011

申请日：2021-01-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sungsang Ahn ,  Minsang Koo ,  Seongjin Hwang

IPC: H05K5/00 ,  H05K5/03 ,  G02B5/00 ,  G02B1/14

CPC classification number: H05K5/03 ,  G02B1/14 ,  G02B5/003 ,  H05K5/0017

Abstract: A cover window includes a glass substrate, a polymer film disposed on the glass substrate, an adhesive layer disposed between the glass substrate and the polymer film, a protective layer covering the adhesive layer and the glass substrate, and a light blocking portion disposed on at least one of the glass substrate and the polymer film. The protective layer covers a side surface of the adhesive layer, a side surface of the glass substrate, and one surface of the glass substrate. The cover window has improved strength and reliability.

公开(公告)号：US12189874B2

公开(公告)日：2025-01-07

申请号：US18202532

申请日：2023-05-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghoon Kim ,  Taehyeog Jung ,  Byunghoon Kang ,  Sanghoon Kim ,  Jingyu Sim ,  Hyunji Lee ,  Minhoon Choi ,  Seongjin Hwang

IPC: G06F3/041 ,  G09G3/3233

Abstract: A display apparatus includes: digitizer; an adhesive layer disposed on the digitizer to contact the digitizer; and a substrate disposed on the adhesive layer to contact the adhesive layer. The substrate includes a first substrate in which a plurality of first structures, each including an opening or groove, are defined such that the first substrate is folded about a folding axis extending in a first direction, and the first substrate includes a glass material.

公开(公告)号：US12035608B2

公开(公告)日：2024-07-09

申请号：US16561840

申请日：2019-09-05

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghoon Kim ,  Minhoon Choi ,  Dohoon Kim ,  Seongjin Hwang

IPC: B32B7/12 ,  H04M1/02 ,  H10K50/84 ,  H10K50/844 ,  H10K50/856 ,  H10K50/86 ,  H10K50/87 ,  H10K59/12 ,  H10K71/00 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K77/111 ,  B32B7/12 ,  H04M1/0268 ,  H10K50/841 ,  H10K50/844 ,  H10K50/856 ,  H10K50/865 ,  H10K50/87 ,  H10K59/12 ,  H10K71/00 ,  B32B2457/20 ,  H10K71/851 ,  H10K2102/311

Abstract: A foldable display device is capable of improving a strength of a folding area and substantially reducing or minimizing a dead space of a non-folding area. The foldable display device includes: a display panel including a folding area and a non-folding area, and having a front surface and a back surface that are opposite each other; a window adjacent the front surface of the display panel; an auxiliary layer adjacent the back surface of the display panel; a first adhesive layer between the display panel and the window; and a second adhesive layer between the display panel and the auxiliary layer. A width of the window at the folding area is greater than a width of the window at the non-folding area.

公开(公告)号：US11514825B2

公开(公告)日：2022-11-29

申请号：US17529987

申请日：2021-11-18

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung-Man Kim ,  Minsang Koo ,  Sanghoon Kim ,  Yuri Kim ,  Min-Hoon Choi ,  Seongjin Hwang

IPC: G06F3/041 ,  G09F9/30 ,  G02B1/14 ,  G02B1/118 ,  G06F1/16

Abstract: A window includes a base layer including a first non-folding region; a second non-folding region; a folding region disposed between the first non-folding region and the second non-folding region in a first direction; and at least one first recessed portion overlapping the folding region and extending in a second direction intersecting the first direction, a first nano pattern layer disposed in the at least one first recessed portion, and including first protrusion patterns; and a first soft portion disposed on the first nano pattern layer.

公开(公告)号：US11474561B2

公开(公告)日：2022-10-18

申请号：US17200327

申请日：2021-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghoon Kim ,  Minsang Koo ,  Kyung-Man Kim ,  Seungho Kim ,  Min-Hoon Choi ,  Seongjin Hwang

IPC: G06F1/16

Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.

公开(公告)号：US12295109B2

公开(公告)日：2025-05-06

申请号：US17957450

申请日：2022-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung-Man Kim ,  Dawoon Kim ,  Sanghoon Kim ,  Sunghoon Kim ,  Seungho Kim ,  Yuri Kim ,  Min-Hoon Choi ,  Seongjin Hwang

IPC: H05K5/02 ,  H04M1/02

Abstract: A window includes: a folding part foldable around a virtual folding axis extending in a first direction, and first and second non-folding parts spaced apart from each other in a second direction perpendicular to the first direction with the folding part therebetween. A plurality of groove patterns extending in the first direction and arranged in the second direction are defined in the folding part. The folding part includes a first part adjacent to the folding axis, a third part adjacent to one of the first and second non-folding parts and a second part between the first part and the third part. widths of the first to third parts in the second direction are the same. A volume of the first part is greater than a volume of the second part, and the volume of the second part is greater than a volume of the third part.

公开(公告)号：US12156420B2

公开(公告)日：2024-11-26

申请号：US17282920

申请日：2019-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seongjin Hwang ,  Kyu Young Kim ,  Dohoon Kim ,  Sanghoon Kim ,  Sang-Il Park ,  Min-Hoon Choi

IPC: B32B27/02 ,  H10K50/80 ,  H10K50/842 ,  H10K50/86 ,  H10K59/40 ,  H10K71/00

Abstract: A display device includes a window, a display panel disposed below the window, and an adhesive layer disposed between the window and the display panel. The window includes a glass portion, and a synthetic resin portion overlapping at least a side surface of the glass portion and exposing the upper surface of the glass portion.