Inkjet printing device and method of manufacturing display device using the same
US12403693B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2022 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Jan 20, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14459
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet printing device includes a chamber having an imaginary centerline that divides a length of the chamber in the first direction into two halves, and a plurality of inkjet nozzles coupled to the chamber and receiving ink from the chamber, the inkjet nozzles being arranged in a plurality of columns along a first direction. The inkjet nozzles include a center column nozzle disposed adjacent to the centerline of the chamber and an outer column nozzle disposed farther from the centerline than the center column nozzle. The chamber includes a bump portion disposed farther from the centerline than the outer column nozzle, the bump portion including a bump on an inner surface of the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.