Patent · US Active

Rollable display device

US11452218B2 · kind B2 · utility

2Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 2020
Grant dateSep 20, 2022
Priority date
Expiry dateMar 18, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/311
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.