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:
Sep. 20, 2022
Filed:
Apr. 21, 2020
Samsung Display Co., Ltd., Yongin-Si, KR;
Jinhwan Choi, Seoul, KR;
Hyunwoo Koo, Hwaseong-si, KR;
Taewoong Kim, Seongnam-si, KR;
Dongwon Choi, Seoul, KR;
Kachatryan Hayk, Hwaseong-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
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.