Patent · US Expired

Thin film transistor with common contact hole and fabrication method thereof

US7326959B2 · kind B2 · utility

0Cited by
4References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 16, 2005
Grant dateFeb 5, 2008
Priority date
Expiry dateMay 16, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D86/0223

Abstract

The present invention provides a TFT substrate that includes a plurality of TFTs each of which have a gate, a source and a drain. The plurality of the TFTs may be formed by first and second active regions formed on the substrate that each have a source region that corresponds to a source and a drain region that corresponds to a drain. An offset region may be formed between the first and second active regions. A single contact hole may reach both the offset region and the adjacent source/drain regions of the first and second active regions.

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