Patent · US Expired

Liquid crystal display device having spacer holes

US7570339B2 · kind B2 · utility

1Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 2005
Grant dateAug 4, 2009
Priority date
Expiry dateSep 30, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/13394
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A liquid crystal display device includes an active matrix substrate and a counter substrate opposing each other with a gap therebetween defined by a plurality of columnar spacers. The active matrix substrate has a plurality of spacer holes each receiving therein a corresponding one of the columnar spacers, and a plurality of dummy spacer holes aligned with the spacer holes and each receiving therein no columnar spacer.

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