Patent · US Expired

Liquid crystal display device and resistor type touch panel

US6633279B1 · kind B1 · utility

6Cited by
4References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 6, 2000
Grant dateOct 14, 2003
Priority date
Expiry dateFeb 10, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/045
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A touch panel including an upper substrate (4A) consisting of a soft film having an upper resistor film (51) and a lower substrate of a hard plate having a lower resistor film, which are bonded together to face each other. The touch panel provides a detection output representing the position of contact between the upper resistor film (51) and the lower resistor film as two-dimensional coordinate values. Either the upper resistor film (51) or the lower resistor film or both are of a comb shape having a plurality of resistive lines with a common connector (41) at one end.

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