Patent · US Expired

Light switching device with reset

US6654154B2 · kind B2 · utility

1Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 8, 2002
Grant dateNov 25, 2003
Priority date
Expiry dateMar 11, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2310/061
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A reset driving scheme for addressing a switching mirror display enables current to flow in two directions through the switching elements. The display is forced into a predefined state and drives the display into the other optical states by using an addressable TFT providing a continous current.

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