Patent · US Active

Display device

US7633496B2 · kind B2 · utility

4Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 2004
Grant dateDec 15, 2009
Priority date
Expiry dateFeb 23, 2027

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2360/18
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display control circuit and a display unit are provided. The display control circuit generates a sweep signal that is at a fixed voltage level for an arbitrary period. The display unit compares the magnitude of a signal voltage that is written by a data line drive circuit in accordance with display data and the magnitude of the sweep signal generated by the display control circuit, and exercises illumination/nonillumination control in accordance with the comparison result.

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