Patent · US Expired

Active matrix substrate having column spacers integral with protective layer and process for fabrication thereof

US6577374B1 · kind B1 · utility

57Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 2000
Grant dateJun 10, 2003
Priority date
Expiry dateNov 23, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/136236
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An active matrix substrate forms a liquid crystal display panel together with a counter substrate and liquid crystal filling a gap therebetween, and color filters are covered with an overcoat layer of photo-sensitive acrylic resin, wherein column spacers of the photo-sensitive acrylic resin project from the overcoat layer so that the column spacers are hardly separated from the overcoat layer in a rubbing for producing an orientation layer.

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