Abstract: Provided is an organic electroluminescent device including: a substrate (11, 101); a first electrode (12, 102) formed on the substrate (11, 101) and including a pixel region; a partition wall (23, 203) formed on the substrate (11, 101), partitioning the first electrode (12, 102), and including a surface with a recessed and projected form; a luminescent medium layer (19, 109) formed on the pixel region and the partition wall (23, 203), a film thickness of the partition wall (23, 203) being uneven according to the recessed and projected form; and a second electrode (17, 107) formed on the luminescent medium layer (19, 109).

Abstract: One embodiment of the present invention is an organic EL element, including a substrate, a first electrode having a pixel region, the first electrode formed on the substrate, a multi-step partition wall, including a first partition wall formed on the substrate, the first partition wall sectioning the first substrate and having an inverse tapered shape, and a second partition wall formed on the first partition wall, the second partition wall having a bottom part which is narrower than a top part of the first partition wall, a light emitting medium layer, including a first light emitting medium layer formed on the pixel region, the first partition wall and the second partition wall, the first light emitting medium layer made of an inorganic material, and an organic light emitting layer on the first light emitting medium layer, and a second electrode formed on the light emitting medium layer, wherein the first light emitting medium layer is formed on the first electrode and the multi-layer partition wall.

Abstract: Provided is an organic electroluminescent device including: a substrate (11, 101); a first electrode (12, 102) formed on the substrate (11, 101) and including a pixel region; a partition wall (23, 203) formed on the substrate (11, 101), partitioning the first electrode (12, 102), and including a surface with a recessed and projected form; a luminescent medium layer (19, 109) formed on the pixel region and the partition wall (23, 203), a film thickness of the partition wall (23, 203) being uneven according to the recessed and projected form; and a second electrode (17, 107) formed on the luminescent medium layer (19, 109).

Abstract: One embodiment of the present invention is an organic EL element, including a substrate, a first electrode having a pixel region, the first electrode formed on the substrate, a multi-step partition wall, including a first partition wall formed on the substrate, the first partition wall sectioning the first substrate and having an inverse tapered shape, and a second partition wall formed on the first partition wall, the second partition wall having a bottom part which is narrower than a top part of the first partition wall, a light emitting medium layer, including a first light emitting medium layer formed on the pixel region, the first partition wall and the second partition wall, the first light emitting medium layer made of an inorganic material, and an organic light emitting layer on the first light emitting medium layer, and a second electrode formed on the light emitting medium layer, wherein the first light emitting medium layer is formed on the first electrode and the multi-layer partition wall.

Abstract: One embodiment of the present invention is an organic electroluminescence element including an anode which is a hole injection electrode; a cathode which is an electron injection electrode, the cathode facing the anode; an organic light emitting layer between the anode and the cathode, the organic light emitting layer including a molybdenum oxide layer, the molybdenum oxide layer including a crystal molybdenum oxide and an amorphous molybdenum oxide, and the crystal molybdenum oxide and the amorphous molybdenum oxide being mixed or stacked.

Abstract: In an organic electroluminescent element of the present invention, which has at least a hole transport layer having an inorganic compound and an organic luminescent layer between a first electrode and a second electrode on a substrate, a high light extraction efficiency can be obtained by reflecting light emitted from the organic luminescent layer off the hole transport layer.

Abstract: One embodiment of the present invention is an organic electroluminescence element including an anode which is a hole injection electrode; a cathode which is an electron injection electrode, the cathode facing the anode; an organic light emitting layer between the anode and the cathode, the organic light emitting layer including a molybdenum oxide layer, the molybdenum oxide layer including a crystal molybdenum oxide and an amorphous molybdenum oxide, and the crystal molybdenum oxide and the amorphous molybdenum oxide being mixed or stacked.