Patent · US Expired

Rubbing machine with realigning functions of rubbing cloth for use in LCD manufacturing process and rubbing method using the same

US7048619B2 · kind B2 · utility

25Cited by
13References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 2002
Grant dateMay 23, 2006
Priority date
Expiry dateJan 9, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133784
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention relates to a rubbing machine with realigning functions for use in an LCD manufacturing process and also to a rubbing method which is conducted using the same. The rubbing machine is used to determine the direction of alignment by rubbing an alignment film coated on a substrate disposed on a stage. In this rubbing machine, an realigning section for realigning a rubbing cloth is disposed on the portion of a rubbing roll in such a manner that the realigning section be in contact with the rubbing cloth.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.