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US 12,615,940 B2Granted
Light-emitting element with a pixel electrode having an uneven structure
AssigneeMagnolia White Corporation
InventorAsami Sakamoto
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Abstract
A light-emitting element includes a pixel electrode arranged on an inorganic insulating film having an uneven structure on a first surface, and having a first electrode and a second electrode having an uneven structure finer than the uneven structure on a third surface, an electron injection layer arranged on the second electrode, an electron transport layer arranged on the electron injection layer, a light-emitting layer arranged on the electron transport layer and a common electrode arranged on the light-emitting layer.
Claims14
A light-emitting element comprising:
- an inorganic insulating film having a first surface, the first surface has an uneven structure;
- a pixel electrode arranged on the inorganic insulating film;
- an electron injection layer arranged on the pixel electrode;
- an electron transport layer arranged on the electron injection layer;
- a light-emitting layer arranged on the electron transport layer;
- and
- a common electrode arranged on the light-emitting layer,
- wherein
- the pixel electrode includes a first electrode having a second surface, and a second electrode having a third surface,
- the first electrode is in contact with the first surface,
- the second electrode is in contact with the second surface, and
- the third surface has an uneven structure finer than the uneven structure of the first surface.
9 more elements
Dependencies are inferred from the claim text.