Patent · US Expired

Photo-functional device

US5101246A · kind A · utility

18Cited by
3References
2Claims
0Family size

Assignees

Inventor

Key dates

Filing dateDec 4, 1989
Grant dateMar 31, 1992
Priority date
Expiry dateDec 4, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10F55/00

Abstract

A photo-functional device has a semiconductor substrate, a light emitting section laminated on one surface of the semiconductor substrate and formed into a semiconductor laminate, a light receiving section laminated on the one surface of the semiconductor substrate, formed into a semiconductor laminate and electrically connected in series to the light emitting section, and a coupling rate conversion section disposed between the light emitting section and the light receiving section for converting a coupling rate of light coupled from the light emitting section to the light receiving section.

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