US 11,452,218 B2 · Rollable display device

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.

Claims20

Dependent claims

A display device, comprising:

a display module;
a housing;
at least one roller disposed in the housing, wherein the display module is configured to be wound on the at least one roller and to be inserted and drawn from the housing;
wherein 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 comprising:
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.

8 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/853,943Filed 21 Apr 2020

Priority

KR 10-2019-004674222 Apr 2019

Published

US 2020/0337161 A122 Oct 2020

Granted

20 Sep 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification37 codes

B32B 27/281
Comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42: comprising polyimides
B32B 7/12
Interconnection of layers: using interposed adhesives or interposed materials with bonding properties
B32B 17/10
Comprising glass as the main or only constituent of a layer, next to another layer of a specific material: of synthetic resin
B32B 19/04
Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica: next to another layer of the same or of a…

Rollable display device

Life of this patent

Rollable display device

Life of this patent

Abstract

Claims20