Display panel including a plurality of grooves for separating organic material layers and electrodes and a display apparatus including the same
US12274135B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2024 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Feb 5, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/8731
Abstract
A display panel includes: a substrate including a first area, a second area, and a third area between the first area and the second area; a first structure located in the second area and including a pixel electrode, an opposite electrode, an intermediate layer between the pixel electrode and the opposite electrode, and at least one organic material layer; and a plurality of grooves located in the third area and separating the at least one organic material layer and the opposite electrode, wherein a first groove of the plurality of grooves is provided in a multi-layered film including a lower layer and an upper layer, wherein the upper layer includes an inorganic material layer and a first step adjacent to the first groove, the first step having an elevation higher than an upper surface of the lower layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.