An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode, in which the first emitting layer contains, as a first host material, a first compound represented by a formula (1) below and having a group represented by a formula (11) below, the second emitting layer contains a second compound represented by one of formulae (2-1D) to (2-4D) below as a second host material, and the first emitting layer is in direct contact with the second emitting layer.

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An organic light-emitting display apparatus includes a flexible substrate having a display region and a non-display region located at an outer region of the display region, the non-display region being folded with respect to the display region; at least one organic light-emitting diode (OLED) on the display region of the flexible substrate; and an encapsulation member encapsulating the display region.

An organic light-emitting display apparatus includes a flexible substrate having a display region and a non-display region located at an outer region of the display region, the non-display region being folded with respect to the display region; at least one organic light-emitting diode (OLED) on the display region of the flexible substrate; and an encapsulation member encapsulating the display region.

According to one embodiment, a display device includes a display panel including a plurality of pixels arranged in a non-rectangular display area, and a display controller configured to display images in the display area. An opening portion of each of pixels disposed at an edge portion of the display area is light-shielded at an area ratio according to a shape of the display area.

A light emitting material containing an adjustment compound N in addition to a donor compound D and an acceptor compound A that form an exciplex and satisfying HOMO(D)>HOMO(N)>HOMO(A), LUMO(D)>LUMO(N)+0.1 eV and LUMO(N)>LUMO(A) has improved luminous efficiency or emission lifetime.

An object of the present invention is to provide an organic EL display device which does not undergo the decrease in luminance or pixel shrinkage and has excellent long-term reliability. The present invention is an organic EL display device constituting a cured product of a photosensitive resin composition containing an alkali-soluble resin (A) and a naphthoquinone diazide sulfonic acid ester compound (B), wherein an intensity ratio I.sub.(S)/I.sub.(TOTAL) is 0.0001 or more and 0.008 or less, where I.sub.(S) is a negative secondary ion intensity of sulfur, and I.sub.(TOTAL) is a sum total of negative secondary ion intensities of carbon, oxygen, fluorine, silicon and sulfur obtained by time-of-flight secondary ion mass spectrometry of the cured product. Alternatively, the present invention is a method for producing the cured product.

A novel light-emitting device that is highly convenient, useful, or reliable is provided. The light-emitting device includes a first electrode, a second electrode, a unit, and a first layer. The second electrode includes a region overlapping with the first electrode. The unit includes a region positioned between the first electrode and the second electrode. The unit includes a second layer and a third layer. The second layer includes a region where the third layer is positioned between the second layer and the first electrode. The second layer contains a light-emitting material. The first layer includes a region positioned between the third layer and the first electrode. The first layer contains a material having an acceptor property and a first material. The first layer includes a first region and a second region. The first region includes a region positioned between the second region and the first electrode. The first region contains the material having an acceptor property at a first concentration. The second region contains the material having an acceptor property at a second concentration. Note that the second concentration is higher than zero and lower than the first concentration.

An organic EL display device including a substrate, and a planarization layer, a first electrode, a pixel division layer, a light emitting pixel and a second electrode formed on the substrate, wherein the planarization layer and/or the pixel division layer contain(s) zirconium nitride particles, and a crystallite size of the zirconium nitride particles determined from a half width of a peak derived from a (111) plane in an X-ray diffraction spectrum using a CuKα ray as an X-ray source is 5 nm or more 20 nm or less. Provided are an organic EL display device with excellent visibility and fewer display defects, and a cured film which is excellent in storage stability of a photosensitive resin composition capable of being applied on an insulating layer of the organic EL display device, and which has high sensitivity and high visible light-shielding property and is also free from residue in the opening.

A curable resin composition containing quantum dots (A), a resin (B), a photopolymerizable compound (C), a photopolymerization initiator (D), an antioxidant (E), and a solvent (F), wherein a water content based on a total mass of the curable resin composition is 50 ppm or more and less than 5000 ppm.

An organic electroluminescence device includes: an emitting region provided between a cathode and an anode; and a hole transporting zone provided between the anode and the emitting region, in which the hole transporting zone includes at least a first anode side organic layer and a second anode side organic layer, the first anode side organic layer is in direct contact with the second anode side organic layer, a total film thickness of the hole transporting zone is in a range from 20 nm to 80 nm, the first anode side organic layer contains no compound contained in the second anode side organic layer, the first anode side organic layer contains a first organic material and a second organic material, the first organic material is different from the second organic material, and a content of the first organic material in the first anode side organic layer is less than 50 mass %.