The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2019
Filed:
Oct. 13, 2017
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Hyunwoo Koo, Yongin-si, KR;
Taewoong Kim, Yongin-si, KR;
Kyuyoung Kim, Yongin-si, KR;
Jeongho Kim, Yongin-si, KR;
Taean Seo, Yongin-si, KR;
Junghun Lee, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A rollable display apparatus includes a rolling drum; and a flexible display panel comprising an end bonded to the rolling drum, the flexible display panel being windable around an outer circumferential surface of the rolling drum, the flexible display panel including a flexible substrate including a first surface on which a display device is arranged; and a first protection film over the first surface of the flexible substrate, the first protection film including a first layer including an elastic polymer, and a second layer on the first layer and having a smaller surface frictional force than the first layer, and the second layer includes a plurality of first grooves each indented in a depth direction of the second layer from a surface of the second layer.