Patent · US Expired

Apparatus, mask, and method for printing alignment layer

US7095468B2 · kind B2 · utility

1Cited by
4References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 20, 2005
Grant dateAug 22, 2006
Priority date
Expiry dateDec 20, 2025

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.