Patent · US Expired

Projection type video display apparatus, light deflection device in projection type video display apparatus, and direct-view type video display apparatus

US7185986B2 · kind B2 · utility

4Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 2004
Grant dateMar 6, 2007
Priority date
Expiry dateMar 25, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2005/745
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In a projection type video display apparatus comprising means for circularly scrolling and irradiating irradiated light in a direction perpendicular to the line direction on a hold-type display panel, a projection type video display apparatus comprises means for varying overdrive in conformity with the timing of irradiation of the irradiated light.

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