Foldable display apparatus including a sub-layer and a protective film and method of manufacturing the same
US10535826B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2018 |
| Grant date | Jan 14, 2020 |
| Priority date | — |
| Expiry date | Aug 23, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
Abstract
A foldable display apparatus includes a display panel that is foldable, a protective film, that is foldable, disposed on one surface of the display panel, and a sub-layer disposed on the protective film. A folding portion of the display apparatus includes a thin film zone, of the protective film, that is thinner than a main body of the protective film, and a pair of bumps disposed on opposing sides of the thin film zone, each of the pair of bumps having a thickness greater than that of the main body of the protective film. When the foldable display apparatus is in a folding state, a portion of the sub-layer is provided between the pair of bumps and is pressed by the pair of bumps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.