Patent · US Active

Rubbing system for alignment layer of LCD and method thereof

US7871838B2 · kind B2 · utility

2Cited by
0References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2008
Grant dateJan 18, 2011
Priority date—
Expiry dateDec 18, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133761
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A rubbing system for an alignment layer of a liquid crystal display (LCD) device, comprises: a rubbing table on which a substrate having an alignment layer thereon is positioned; a rubbing roll on which a rubbing material is wound, substantially positioned on the rubbing table thus to substantially contact the alignment layer, for rubbing the alignment layer by rotation of the rubbing roll; and a controlling unit for controlling the alignment layer to be rubbed by substantially contacting the rubbing roll onto the alignment layer by simultaneously lifting and lowering a rubbing table and the rubbing roll according to an alignment controlling force to be applied to the alignment layer.

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