Patent attributes
An electroluminescent device including a lower substrate; a lower structure including an inorganic multilayer; and an upper encapsulation structure, in which the lower structure includes a display region inside an outline of the inorganic multilayer, and a light transmitting region having a non-through-hole structure having at least a portion surrounded by the display region; the lower structure has an inorganic surface portion surrounding the display and light transmitting regions, the upper encapsulation structure has an inorganic lower surface forming an inorganic-inorganic encapsulation contact region; the electroluminescent device does not have a hole formed through both the lower substrate and the lower structure, a portion of the upper encapsulation structure corresponding to the light transmitting region is not removed, and a portion of the pixel definition layer, the portion corresponding to the light transmitting region, is not present.