Organic optoelectronic devices with surface plasmon structures and methods of manufacture

A method of manufacturing an organic optoelectronic device, comprising

• forming an anode electrode layer at least partially on a carrier substrate;
• forming a periodic array of sub-wavelength nanostructures in the anode electrode layer defined as a perforated metal anode electrode layer;
• forming an organic electronic active region at least partially on the perforated anode electrode layer, the organic electronic active region comprising one or more organic layers;
• and
• forming a cathode electrode layer at least partially on the organic electronic active region.

A method of manufacturing an organic photovoltaic device, comprising:

• determining a peak optical absorption wavelength of an organic photoactive layer to be formed at least partially on an anode electrode layer;
• defining a desired peak optical transmission wavelength of a periodic array of sub-wavelength nanostructures adapted to be formed in the anode electrode layer based on said determined peak optical absorption wavelength of said organic photoactive layer;
• determining a desired periodicity of said periodic array of sub-wavelength nanostructures based at least in part on said desired peak optical transmission wavelength of said periodic array of sub-wavelength nanostructures, a dielectric constant of said carrier substrate, and a dielectric constant of said anode electrode layer;
• defining a desired optical transmission bandwidth of said periodic array of sub-wavelength nanostructures based on an optical absorption bandwidth of said organic photoactive layer;
• defining a desired geometric dimension of each of said nanostructures and a desired thickness of said anode electrode layer based on said desired optical transmission bandwidth of said periodic array of sub-wavelength nanostructures;
• forming said anode electrode layer with said desired thickness at least partially on a carrier substrate;
• forming said periodic array of sub-wavelength nanostructures in said anode electrode layer with said desired geometric dimension for each of said nanostructures and with said desired periodicity;
• forming an organic photoactive layer at least partially on said anode electrode layer;
• and
• forming a cathode electrode layer at least partially on said organic photoactive layer.

A method of manufacturing an organic light emitting diode device, comprising:

• determining a peak optical emission wavelength of an organic emissive electroluminescent layer to be formed at least partially on a anode electrode layer;
• defining a desired peak optical transmission wavelength of a periodic array of sub-wavelength nanostructures adapted to be formed in the anode electrode layer based on said determined peak optical emission wavelength of said organic emissive electroluminescent layer;
• determining a desired periodicity of said periodic array of sub-wavelength nanostructures based at least in part on said desired peak optical transmission wavelength of said periodic array of sub-wavelength nanostructures, a dielectric constant of said organic emissive electroluminescent layer, and a dielectric constant of said anode electrode layer;
• defining a desired optical transmission bandwidth of said periodic array of sub-wavelength nanostructures based on an optical transmission bandwidth of said organic emissive electroluminescent layer;
• defining a desired geometric dimension of each of said nanostructures and a desired thickness of said anode electrode layer based on said desired optical transmission bandwidth of said periodic array of sub-wavelength nanostructures;
• forming said anode electrode layer with said desired thickness at least partially on a carrier substrate;
• forming said periodic array of sub-wavelength nanostructures in said anode electrode layer with said desired geometric dimension for each of said nanostructures and with said desired periodicity;
• forming an emissive electroluminescent layer at least partially on said anode electrode layer;
• and
• forming a cathode electrode layer at least partially on said organic emissive electroluminescent layer.

An organic optoelectronic device, comprising:

• a carrier substrate;
• a cathode electrode layer disposed at least partially on the carrier substrate, the cathode electrode layer having a periodic array of sub-wavelength nanostructures;
• an organic electronic active region disposed at least partially on the cathode electrode layer, the organic electronic active region comprising one or more organic layers;
• and
• an anode electrode layer disposed at least partially on the organic electronic active layer.