Patent · US Expired

Organic electroluminescent array exposure head, method of fabricating the same, and image forming apparatus using the same

US6825867B2 · kind B2 · utility

11Cited by
6References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 2002
Grant dateNov 30, 2004
Priority date
Expiry dateJul 8, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2202/09
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An organic EL array exposure head integrated with microlenses for converging or diverging light from light-emitting parts is disclosed, together with a method of fabricating the exposure head and an image forming apparatus using the same. The organic EL array exposure head has an array of organic EL light-emitting parts arranged in the form of at least one row of pixels on a substrate of continuous length. A microlens formed by ink-jet printing is provided over a surface of each organic EL light-emitting part at a side thereof remote from the substrate.

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