Apparatus, mask, and method for printing alignment layer
US6999148B2 · kind B2 · utility
4Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 17, 2002 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | May 23, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133784
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An apparatus for printing an alignment layer of a liquid crystal display device includes a dispenser dropping an alignment material, an anilox roll receiving the dropped alignment material, a doctor roll evenly spreading the dropped alignment material coated onto the anilox roll, and a printing roll receiving the alignment material from the anilox roll, and transferring the alignment material onto a substrate, wherein the printing roll has a plurality of masks each having a numerical aperture of about 5% to 25%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.