Patent · US Active

Laser diode junction temperature compensation

US8605764B1 · kind B1 · utility

51Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 2012
Grant dateDec 10, 2013
Priority date
Expiry dateJul 9, 2032

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/4093
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A projection apparatus includes at least one laser diode and a laser diode junction temperature estimator to estimate the junction temperature of the at least one laser diode. Laser diode current drive values are modified in response to the estimated laser junction temperature. The modification of laser diode current drive values may occur as frequently as once per pixel.

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