The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2013
Filed:
Jun. 19, 2007
Julian Carter, Dry Drayton, GB;
Jonathan Halls, Cambridge, GB;
Julian Carter, Dry Drayton, GB;
Jonathan Halls, Cambridge, GB;
Cambridge Display Technology Limited, Cambridgeshire, GB;
Abstract
An optocoupler including: a substrate comprising a photodetector; a transparent electrically-insulating layer disposed over the photodetector; and an organic electroluminescent device having an organic electroluminescent layer disposed between a first and a second electrode disposed over the transparent electrically-insulating layer; the photodetector arranged to detect light emitted from the organic electroluminescent device; wherein the optocoupler comprises a second current path between the first and second electrodes in addition to a first current path between the first and second electrode which in operation causes the organic electroluminescent layer to emit light.