Patent · US Expired

Semiconductor light emitting array with particular surfaces

US5091757A · kind A · utility

16Cited by
4References
32Claims
0Family size

Assignees

Inventor

Key dates

Filing dateSep 6, 1990
Grant dateFeb 25, 1992
Priority date
Expiry dateSep 6, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/4031
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A semiconductor light emitting array device including: a substrate having an upper surface and a lower surface; and a plurality of light emitting elements formed on the substrate in a row and isolated from each other by a separating groove. Each element emits light from a side end surface thereof in a direction parallel to the substrate surface. The groove has a portion formed in a direction other than in parallel to the direction of light in a plan view thereof.

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