Patent · US Expired

Liquid crystal display device formed on glass substrate having improved efficiency

US6839121B2 · kind B2 · utility

14Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 2002
Grant dateJan 4, 2005
Priority date
Expiry dateDec 12, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/136254
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An LCD device includes a displaying unit having a plurality of pixel areas defined by a plurality of gate lines and data lines disposed in longitudinal and transverse directions, a thin film transistor (TFT) formed in each of the pixel areas to be connected to a pixel electrode formed in the pixel area, and a gate pad and a data pad formed on ends of the corresponding gate line and data line; and a dummy region formed on an outer portion of the displaying unit, and including a gate shorting bar and a data shorting bar which are connected to the gate pads and the data pads to apply test signal(s) to the TFTs, wherein at least one of the gate shorting bar and the data shorting bar is a single shorting bar.

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