Abstract: A light-emitting device includes: a light-emitting element including a transparent electrode, a reflecting electrode, and an organic layer that includes a light-emitting layer; a transparent multilayer body including a low-refractive-index layer and a high-refractive-index layer, the high-refractive-index layer being provided in contact with the transparent electrode; a first uneven structure at an interface between the low-refractive-index layer and the high-refractive-index layer, the first uneven structure including depressions and projections, a height of each of the projections relative to the depressions being 400 nm or more; and a second uneven structure at an interface between the reflecting electrode and the organic layer, the second uneven structure including depressions and projections, a height of each of the projections relative to the depressions in the second uneven structure being 20 nm or more and 100 nm or less.

Abstract: An organic EL element according to the present disclosure includes a first electrode having a light-transmission property, a functional layer which is located on the first electrode and which includes a light-emitting layer, and a second electrode which is located on the functional layer, the second electrode having an opening which exposes a part of the functional layer, the second electrode including a scatter reflection surface which scatters and reflects a light emitted from the light-emitting layer, the scatter refection surface opposing to the functional layer.

Abstract: A light-emitting device includes: a light-emitting element including a transparent electrode, a reflecting electrode, and an organic layer that includes a light-emitting layer; a transparent multilayer body including a low-refractive-index layer and a high-refractive-index layer, the high-refractive-index layer being provided in contact with the transparent electrode; a first uneven structure at an interface between the low-refractive-index layer and the high-refractive-index layer, the first uneven structure including depressions and projections, a height of each of the projections relative to the depressions being 400 nm or more; and a second uneven structure at an interface between the reflecting electrode and the organic layer, the second uneven structure including depressions and projections, a height of each of the projections relative to the depressions in the second uneven structure being 20 nm or more and 100 nm or less.

Abstract: An organic EL element comprises: a substrate; a first electrode formed at one surface side of the substrate; a second electrode opposing the first electrode; and an organic EL layer located between the first and second electrodes. In the organic EL element, the second electrode is a transparent electrode, and the first electrode is a reflecting electrode. The organic EL element is a top-emission type. The first electrode comprises a plurality of nanometer-size (nanometer-order) columnar structures formed on the above-mentioned one surface of the substrate, and each of the plurality of columnar structures has a metallic surface as the outermost surface.

Abstract: The organic electroluminescence element includes a functional layer which is interposed between the first electrode and the second electrode and includes a light-emitting layer. The second electrode includes at least an electrically conductive polymer layer which is in contact with the functional layer and has a light transmissive property. The organic electroluminescence element includes: a substrate; a sealing substrate with a light transmissive property; a transparent protection layer covering an element part including a stack of the first electrode, the functional layer and the second electrode; and a resin layer which is interposed between the transparent protection layer and the sealing substrate and has a light transmissive property.

Abstract: Provided are a phosphorescent material which is excellent in horizontal orientation and the like when a thin film is formed, a process for efficiently producing the phosphorescent material, and a light emitting element using the phosphorescent material. The present invention provides a phosphorescent material represented by the following general formula (1), a process for producing the phosphorescent material, and a light emitting element using the phosphorescent material, wherein the phosphorescent material has a straight-chain conjugated structure, a 2-phenylpyridine ligand, a central metal and a ?-diketone-type ligand, In the general formula (1), end substituents R1 and R2 each is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or the like, substituents a to l and o to s each is a hydrogen atom or the like, the central metal M is platinum or the like, and repetition numbers m and n each is an integer of 0 to 4.

Abstract: An organic EL element comprises: a substrate; a first electrode formed at one surface side of the substrate; a second electrode opposing the first electrode; and an organic EL layer located between the first and second electrodes. In the organic EL element, the second electrode is a transparent electrode, and the first electrode is a reflecting electrode. The organic EL element is a top-emission type. The first electrode comprises a plurality of nanometer-size (nanometer-order) columnar structures formed on the above-mentioned one surface of the substrate, and each of the plurality of columnar structures has a metallic surface as the outermost surface.

Abstract: A compact voice information processing device having excellent howling preventing effect, and a wiring system using the same device, which is excellent in function expandability and easy exchangeability, are provided. This processing device has a speaker, a first microphone disposed to face a diaphragm of the speaker, a second microphone disposed outside of an outer periphery of the diaphragm of the speaker, and a signal processing portion for removing an output voice component of the speaker mixed in an output of the second microphone by use of an output of the first microphone. This processing device is preferably used in a wiring system for transmitting information and electric power between plural locations in a building structure.