Organic light-emitting device and method of manufacturing the same

An organic EL device, comprising:

• a first substrate;
• a plurality of organic EL elements above a first portion of the first substrate;
• a first inorganic layer that covers the plurality of organic EL elements;
• an active layer above a second portion of the first substrate different than the first portion, the active layer comprising a material that is at least one of hygroscopic and oxidizable, the plurality of organic EL elements not being above the second portion;
• a second inorganic layer that covers the active layer;
• a second substrate opposite the first substrate, the plurality of organic EL elements being between the first substrate and the second substrate;
• and
• a seal that extends between the first substrate and the second substrate to define a sealed space between the first substrate and the second substrate, wherein
• the second inorganic layer includes through-holes that expose the active layer to the sealed space that is defined by the first substrate, the second substrate, and the seal,
• the second inorganic layer is formed above the active layer to cover the active layer,
• the seal is formed between the first substrate and the second substrate to seal a gap between the first substrate and the second substrate, and
• the through-holes are formed in the second inorganic layer to expose the active layer to the sealed space via the through-holes.

A method of manufacturing an organic EL device, comprising:

• forming a plurality of organic EL elements above a first portion of a first substrate;
• forming a first inorganic layer that covers the plurality of organic EL elements;
• forming an active layer above a second portion of the first substrate different than the first portion with a material that is at least one of hygroscopic and oxidizable, the plurality of organic EL elements not being formed above the second portion;
• forming a second inorganic layer that covers the active layer;
• forming a seal that extends between the first substrate and a second substrate to define a sealed space between the first substrate and the second substrate, the second substrate being opposite the first substrate above the plurality of organic EL elements;
• and
• forming through-holes in the second inorganic layer to expose the active layer, via the through-holes, to the sealed space defined by the first substrate, the second substrate, and the seal.