公开(公告)号：US20210269680A1

公开(公告)日：2021-09-02

申请号：US17001936

申请日：2020-08-25

Applicant: Samsung Display Co., LTD.

Inventor： HIROTSUGU KISHIMOTO ,  Cheol ho CHOI ,  Hyun-Been HWANG

IPC: C09J7/38 ,  C09J11/08 ,  G02B5/30 ,  G02F1/1335

Abstract: A manufacturing method of an adhesive layer includes: providing a preliminary adhesive layer, attaching a mask to a first area portion of the preliminary adhesive layer, and thereby, provide a second area portion of the preliminary adhesive layer that is adjacent to the first area portion and to which the mask is not attached, to provide an adhesive layer that exhibits good folding reliability. In addition, a display device may exhibit good folding reliability characteristics by including the adhesive layer from which an adhesion force of a folding area is reduced between a supporting member and a display panel of the display device.

公开(公告)号：US20240385652A1

公开(公告)日：2024-11-21

申请号：US18786943

申请日：2024-07-29

Applicant: Samsung Display Co., Ltd.

Inventor： HIROTSUGU KISHIMOTO ,  DASOM GU ,  YONGHYUCK LEE ,  HONGKWAN LEE ,  YONGCHAN JEON ,  CHUL HO JEONG ,  HYUNJUN CHO ,  EUNGIL CHOI ,  SOHRA HAN

IPC: G06F1/16 ,  G06F3/046 ,  H10K50/84 ,  H10K59/122 ,  H10K102/00

Abstract: An electronic apparatus includes a display panel including a folding area foldable with respect to a folding axis and a non-folding area which is adjacent to the folding area, a support plate facing the display panel, and a digitizer which faces the display panel with the support plate therebetween and detects a first external input. The digitizer includes a plate including a reinforcing fiber, a first conductive layer on a first surface of the plate, and a second conductive layer on a second surface of the plate which is opposite to the first surface of the plate.

公开(公告)号：US20240302863A1

公开(公告)日：2024-09-12

申请号：US18412707

申请日：2024-01-15

Applicant: Samsung Display Co., LTD.

Inventor： SEOKWON JANG ,  HIROTSUGU KISHIMOTO ,  HYUNJAE NA ,  YONG-KWAN KIM ,  SUNGGUK AN ,  CHUL HO JEONG

IPC: G06F1/16 ,  G06F3/041

CPC classification number: G06F1/1641 ,  G06F1/1652 ,  G06F3/0412 ,  G06F2203/04102 ,  G06F2203/04107

Abstract: An electronic apparatus is provided and includes a display module having a folding region foldable with respect to a folding axis and including a first non-folding region and a second non-folding region spaced apart from each other along a second direction, and a digitizer disposed under the display module, and the digitizer includes a base part including base layers, first and second sensing coils disposed between the base layers and insulated from each other, and an upper reinforcement part including a first reinforcement layer and a second reinforcement layer each of which is disposed on an upper surface of the base part, and which are spaced apart from each other along the second direction with the folding region therebetween, wherein at least a portion of the base part containing either synthetic rubber or polydimethylsiloxane (PDMS).

公开(公告)号：US20240220062A1

公开(公告)日：2024-07-04

申请号：US18603944

申请日：2024-03-13

Applicant: Samsung Display Co., LTD.

Inventor： HIROTSUGU KISHIMOTO ,  DASOM GU ,  CHUL HO JEONG

IPC: G06F3/046 ,  G06F3/041

CPC classification number: G06F3/046 ,  G06F3/0412 ,  G06F2203/04102 ,  G06F2203/04111

Abstract: A digitizer includes a base layer including first and second non-folding areas and a folding area disposed between the first and second non-folding areas and foldable with respect to a folding axis extending in a first direction and a plurality of coils disposed on the base layer and including a first coil and a second coil closest to the first coil. Each of the first coil and the second coil includes a coil portion defining an open loop and a line portion extending from the coil portion. The coil portion or the line portion overlaps the folding area, and a distance between the coil portion of the first coil and the coil portion of the second coil or a distance between the line portion of the first coil and the line portion of the second coil, which overlap the folding area, is equal to or greater than about 100 micrometers.

公开(公告)号：US20240160328A1

公开(公告)日：2024-05-16

申请号：US18387814

申请日：2023-11-07

Applicant: Samsung Display Co., LTD.

Inventor： DASOM GU ,  HIROTSUGU KISHIMOTO ,  CHUL HO JEONG ,  SUNGGUK AN

IPC: G06F3/044 ,  H04M1/02

CPC classification number: G06F3/0448 ,  H04M1/0216 ,  G06F3/0445 ,  G06F3/0446 ,  G06F2203/04102 ,  G06F2203/04107

Abstract: An electronic apparatus includes a display module and a digitizer, the digitizer includes a plurality of engraved patterns in a folding part of a base layer thereof, and liquid metal may be disposed in the plurality of engraved patterns.

公开(公告)号：US20230289021A1

公开(公告)日：2023-09-14

申请号：US18096270

申请日：2023-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： YONGCHAN JEON ,  HIROTSUGU KISHIMOTO ,  CHUL HO JEONG

IPC: G06F3/046

CPC classification number: G06F3/046 ,  G06F2203/04102

Abstract: An electronic apparatus includes a display panel including non-folding areas arranged in a first direction and a folding area between the first and second non-folding areas, and a digitizer disposed under the display panel, where the digitizer includes base layers each including non-folding parts and a folding part in which holes are defined, a first group coil including first to fourth sensing coils each having first and second portions overlapping the non-folding parts and a third portion overlapping the folding part and surrounding a portion of each of corresponding holes of the holes, and a second group coil insulated from the first group coil, where two or fewer third portions are disposed in a same layer between holes adjacent to each other in a second direction crossing the first direction among the holes.

公开(公告)号：US20230288956A1

公开(公告)日：2023-09-14

申请号：US18093534

申请日：2023-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： HIROTSUGU KISHIMOTO ,  YONGCHAN JEON ,  CHUL HO JEONG

IPC: G06F1/16

CPC classification number: G06F1/1616 ,  G06F1/1656 ,  G06F1/1652

Abstract: A display device includes a folding area and a non-folding area divided into a first non-folding area and a second non-folding area spaced apart in a first direction with the folding area therebetween. The display device includes a display module, a window on a first surface of the display module, and a support plate on a second surface of the display module. At least one of the window and the support plate includes a folding part corresponding to the folding area and including a plurality of first sub film layers stacked in the first direction, and a non-folding part corresponding to the non-folding area and including second sub film layers stacked in the first direction. A second sub film layer of the second sub film layers has a storage modulus larger than a storage modulus of a first sub film layer of the plurality of first sub film layers.

公开(公告)号：US20230236629A1

公开(公告)日：2023-07-27

申请号：US17983753

申请日：2022-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： HIROTSUGU KISHIMOTO ,  SUNGGUK AN ,  YONGCHAN JEON ,  CHUL HO JEONG

IPC: G06F1/16

CPC classification number: G06F1/1618 ,  G06F1/1643 ,  G06F2200/1634

Abstract: An electronic apparatus includes: a display panel including a folding area foldable with respect to a folding axis, a panel protective layer disposed under the display panel, a digitizer disposed under the panel protective layer and including a base layer including a folding portion through which holes are defined, a first non-folding portion, and a second non-folding portion, and sensing coils disposed on the base layer, and an adhesive layer including a first portion attaching the panel protective layer to the first non-folding portion and a second portion spaced apart from the first portion with the folding portion interposed therebetween and attaching the panel protective layer to the second non-folding portion. The base layer includes a matrix portion including a filler and fiber lines arranged in the matrix portion and having a weave pattern.

公开(公告)号：US20230229194A1

公开(公告)日：2023-07-20

申请号：US17965104

申请日：2022-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： HIROTSUGU KISHIMOTO ,  DASOM GU ,  JAIKU SHIN ,  YONGHYUCK LEE ,  HONGKWAN LEE ,  YONGCHAN JEON ,  CHUL HO JEONG ,  HYUNJUN CHO ,  SOHRA HAN

IPC: G06F1/16

CPC classification number: G06F1/1643 ,  G06F1/1616 ,  G06F1/1652 ,  G06F1/1656

Abstract: An electronic device includes a display panel including a folding area and a non-folding area which is adjacent to the folding area. and a digitizer which faces the display panel, senses a first external input and is foldable together with the display panel. The digitizer includes a substrate including a folding portion corresponding to the folding area of the display panel, the folding portion defining a plurality of openings of the substrate corresponding to the folding area of the display panel, a support portion which corresponds to the non-folding area of the display panel, and a reinforced fiber, and a first conductive pattern layer and a second conductive pattern layer each corresponding to the support portion of the substrate, the first conductive pattern layer and the second conductive pattern layer facing each other with the substrate therebetween.

公开(公告)号：US20230114397A1

公开(公告)日：2023-04-13

申请号：US17960417

申请日：2022-10-05

Applicant: Samsung Display Co., Ltd.

Inventor： HIROTSUGU KISHIMOTO ,  DASOM GU ,  SUNGGUK AN ,  YONGHYUCK LEE ,  CHUL HO JEONG ,  HYUNJUN CHO ,  SOHRA HAN ,  SEUNGKYUN HONG

IPC: H05K5/02 ,  H05K9/00

Abstract: An electronic device includes a display panel having a folding region, which is foldable with respect to a folding axis extending in one direction, and a first non-folding region and a second non-folding region spaced apart from each other with the folding region therebetween, and a lower member disposed below the display panel. The lower member includes a support layer disposed below the display panel, where the support layer includes a first support portion overlapping the first non-folding region, and a second support portion overlapping the second non-folding region, and a digitizer disposed below the display panel and corresponds to the first support portion and the second support portion. The first support portion and the second support portion each independently include a reinforcement fiber, where the reinforcement fiber includes an aramid fiber or includes a carbon fiber and a glass fiber.