Invention Grant
- Patent Title: Rollable display device
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Application No.: US16853943Application Date: 2020-04-21
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Publication No.: US11452218B2Publication Date: 2022-09-20
- Inventor: Jinhwan Choi , Hyunwoo Koo , Taewoong Kim , Dongwon Choi , Kachatryan Hayk
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Yongin-Si
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin-Si
- Agency: F. Chau & Associates, LLC
- Priority: KR10-2019-0046742 20190422,KR10-2020-0045543 20200414
- Main IPC: H05K5/00
- IPC: H05K5/00 ; H01L51/52 ; H05K5/02 ; C09J7/20 ; B32B7/12 ; B32B27/08 ; H01L27/32

Abstract:
A display device includes a display module and a housing. At least one roller is disposed in the housing. The display module is configured to be wound on the at least one roller and to be inserted and drawn from the housing. The display module comprises a display panel, a window on the display panel and an adhesion layer between the display panel and the window. The adhesion layer comprises a first polymer layer having positive charges and a second polymer layer having negative charges. The second polymer layer is directly disposed on the first polymer layer.
Public/Granted literature
- US20200337161A1 ROLLABLE DISPLAY DEVICE Public/Granted day:2020-10-22
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