Droplet ejection apparatus, method for forming functional film, apparatus for forming liquid crystal alignment film, method for forming liquid crystal alignment film of liquid crystal display, and liquid crystal display
US7542126B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2007 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Dec 9, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/155
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A droplet ejection apparatus for forming a functional film on a substrate is disclosed. The apparatus has a droplet ejection head having a nozzle forming surface in which a plurality of nozzles are formed. Droplets of a functional film forming composition are ejected from the nozzles onto the substrate. The nozzles form a plurality of nozzle rows that extend linearly. The nozzles of each of the nozzle rows are spaced at substantially equal intervals in such a manner that the pitch between each adjacent pair of the nozzles becomes greater than the diameter of a coating dot formed by each of the droplets on the substrate and smaller than the double of the diameter of each coating dot. The nozzle rows are arranged in such a manner as to form a zigzag pattern with the nozzles of the nozzle rows.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.