Patent Yard Sign in
Expired Canadian patentCanada

Organic photosensitive devices

CA 2577147 C · Owner: Rand, Barry P. · Inventors: Forrest, Stephen; Rand, Barry P.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

The present invention generally relates to organic photosensitive optoelectronic devices. More specifically it is directed to organic , photosensitive optoelectronic devices having a photoactive organic region containing encapsulated nanoparticles that exhibit plasmon resonances. An enhancement of the incident optical field is achieved via surface plasmon polariton resonances. This enhancement increases the absorption of incident light, leading to a more efficient device.

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed August 4, 2005 and granted September 30, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 4, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 4, 2005
GrantedSeptember 30, 2014
Term endedAugust 4, 2025
Patent numberCA 2577147 C
Classification (IPC)H01L51/44 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedAug 4, 2005Patent grantedSep 30, 2014Term endedAug 4, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.