Liquid discharge method and apparatus and display device panel manufacturing method and apparatus
US7111755B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2003 |
| Grant date | Sep 26, 2006 |
| Priority date | — |
| Expiry date | Jun 27, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/09
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
It is an object of this invention to make the amounts of liquid discharged from the nozzles of a liquid discharge head uniform. To achieve this object, there is provided a liquid discharge apparatus for discharging a liquid to a medium using a liquid discharge head having a plurality of nozzles for discharging the liquid, characterized by comprising a discharge amount changing device which can change the amounts of liquid discharged from the respective nozzles of the liquid discharge head independently of each of the plurality of nozzles, the discharge amount changing device including a voltage control device which can change a driving voltage value of a driving pulse to be supplied to each of the plurality of nozzles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.