Display device and method of manufacturing the same
US10459278B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2017 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Dec 26, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device and a method of manufacturing the same are disclosed. The display device includes a lower substrate, subpixels positioned on the lower substrate, and a fine alignment key positioned in at least one of the subpixels. The method of manufacturing the display device includes forming an alignment key outside a target substrate and forming a fine alignment key inside an active area defined as a display area on the target substrate, aligning the target substrate and a mask substrate using the alignment key and the fine alignment key, and performing an exposure operation using the target substrate and the mask substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.