公开(公告)号：US11668642B2

公开(公告)日：2023-06-06

申请号：US17182707

申请日：2021-02-23

Applicant: Samsung Display Co., Ltd.

Inventor： Han Ho Park ,  Hyung-Don Na ,  Kyung Jun Park ,  Eun Ji Park ,  Chang Seob Jung ,  Hyeon Deuk Hwang

IPC: G01N19/04

CPC classification number: G01N19/04 ,  G01N2203/0091

Abstract: A method of measuring adhesive strength includes setting an evaluation time (te), fixing a substrate and an adhesive member to a measurement device, pulling the adhesive member fixed to the measurement device with a first measurement force (Fe1) for the evaluation time (te), pulling the adhesive member fixed to the measurement device is pulled with a second measurement force (Fe2), which is obtained by increasing the first measurement force (Fe1) by a preset amount, for the evaluation time (te), and determining a reference measurement force (Fes) which is a static force applied to the adhesive member when a distance by which a first portion of the adhesive member is detached from the substrate is equal to a preset distance (dt) is determined.

公开(公告)号：US10923669B2

公开(公告)日：2021-02-16

申请号：US16105909

申请日：2018-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Min Kim ,  Kyung Jun Park ,  Kang Yong Lee

IPC: H01L29/08 ,  H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  B32B3/04

Abstract: A display device includes: a display panel including a flat area and a bending area positioned adjacent to the flat area, a panel bottom sheet arranged under the display panel and overlapping with the flat area and the bending area, and a panel-sheet coupling layer between the display panel and the panel bottom sheet and including a first panel-sheet coupling part arranged across the flat area and the bending area, and a second panel-sheet coupling part overlapping with the bending area and extended continuously along a side of the first panel-sheet coupling part, a thickness of the panel-sheet coupling layer becoming smaller from a central portion of the bending area toward a side portion of the bending area, and the panel bottom sheet having a curved shape that is gentler than a curved shape of the display panel.

公开(公告)号：US10673012B2

公开(公告)日：2020-06-02

申请号：US16009761

申请日：2018-06-15

Applicant: Samsung Display Co., Ltd.

Inventor： Min Seop Kim ,  Kyung Jun Park ,  Jeong Seok Oh ,  Won Il Lee

IPC: H01L51/52 ,  H01L51/00 ,  G06F3/041 ,  B32B7/12 ,  B32B27/08 ,  B32B7/06 ,  H01L27/32

Abstract: A panel bottom sheet and a display device including the same are provided. The panel bottom sheet comprises a main sheet, a bonding member disposed on a bottom surface of the main sheet and partially exposing the bottom surface of the main sheet, a release film disposed below the bonding member, and a spacer disposed between the release film and the bottom surface of the main sheet. The bottom surface of the main sheet is divided into a cover region in which the bonding member is disposed and an exposed region which is exposed by the bonding member. The release film is disposed to overlap with the cover region and the exposed region, and the spacer is disposed to overlap with the exposed region.

公开(公告)号：US20190081255A1

公开(公告)日：2019-03-14

申请号：US16105909

申请日：2018-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Min Kim ,  Kyung Jun Park ,  Kang Yong Lee

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  B32B3/04

Abstract: A display device includes: a display panel including a flat area and a bending area positioned adjacent to the flat area, a panel bottom sheet arranged under the display panel and overlapping with the flat area and the bending area, and a panel-sheet coupling layer between the display panel and the panel bottom sheet and including a first panel-sheet coupling part arranged across the flat area and the bending area, and a second panel-sheet coupling part overlapping with the bending area and extended continuously along a side of the first panel-sheet coupling part, a thickness of the panel-sheet coupling layer becoming smaller from a central portion of the bending area toward a side portion of the bending area, and the panel bottom sheet having a curved shape that is gentler than a curved shape of the display panel.

公开(公告)号：US09685636B2

公开(公告)日：2017-06-20

申请号：US14589709

申请日：2015-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Jun Park ,  Hwan Jin Kim

IPC: H01L51/52 ,  G02F1/1333

CPC classification number: H01L51/529 ,  G02F1/133385 ,  G02F2001/133314 ,  H01L51/5237

Abstract: A display device including: a display panel; a bottom cover configured to accommodate the display panel; and a composite sheet disposed between the display panel and the bottom cover. The composite sheet includes a buffer sheet having at least one through hole and at least one heat-dissipating sheet accommodated in the through hole.