Organic electroluminescent device, illumination apparatus, and illumination system

An organic electroluminescent device, comprising:

• a first substrate having light permeability;
• a first electrode provided on the first substrate, the first electrode having light permeability;
• an insulating layer provided on the first electrode, the insulating layer including a first opening for exposing a part of the first electrode and a second opening for exposing another part of the first electrode, the insulating layer having light permeability;
• a second electrode including a first conductive part and a second conductive part, the first conductive part covering the first opening, the second conductive part being spaced apart from the first conductive part and covering the second opening;
• an organic light emitting layer including:
• a first light emitting part provided between the part of the first electrode and the first conductive part and surrounded by the first electrode, the insulating layer, and the first conductive part;
• and
• a second light emitting part spaced apart from the first light emitting part, provided between the another part of the first electrode and the second conductive part, and surrounded by the first electrode, the insulating layer, and the second conductive part;
• a second substrate provided on a stacked body, the stacked body including the first electrode, the insulating layer, the organic light emitting layer, and the second electrode, the second substrate facing the first substrate, the second substrate having light permeability;
• and
• an intermediate layer provided between the stacked body and the second substrate, the intermediate layer having at least one of hygroscopicity and oxygen adsorptivity, the intermediate layer having light permeability,
• the insulating layer includes a plurality of openings each exposing a part of the first electrode,
• the openings are arranged in a first direction parallel to an upper face of the first electrode and are also arranged in a second direction parallel to the upper face and perpendicular to the first direction,
• the organic light emitting layer includes a plurality of light emitting parts each being provided corresponding to each of the openings,
• the second electrode includes a plurality of conductive parts, the conductive parts extend in the first direction and are arranged in the second direction,
• the conductive parts overlaps with a group of the light emitting parts arranged in the first direction among the light emitting parts,
• the first opening is one of the openings,
• the second opening is another one of the openings,
• the first light emitting part is one of the light emitting parts,
• the second light emitting part is another one of the light emitting parts,
• the first conductive part is one of the conductive parts,
• the second conductive part is another one of the conductive parts, and
• in each of the conductive parts, a width in the second direction of a portion between light emitting parts is narrower than a width in the second direction of a portion overlapping with the light emitting parts.