Abstract: In an organic electroluminescence device (100), a hole transport layer (22) is formed of a cured resin obtained by a ring opening polymerization of a polymerizable compound (a) containing a ring opening polymerizable group in the presence of a polymerization initiator (b). In addition, both of a maximum peak height Rp and a maximum valley depth Rv in an upper surface of the hole transport layer (22) are less than or equal to 14 nm. Accordingly, an organic electroluminescence device having excellent mass productivity and high luminescent efficiency is realized.

Abstract: In an organic electroluminescence device (100), a hole transport layer (22) is formed of a cured resin obtained by a ring opening polymerization of a polymerizable compound (a) containing a ring opening polymerizable group in the presence of a polymerization initiator (b). In addition, both of a maximum peak height Rp and a maximum valley depth Rv in an upper surface of the hole transport layer (22) are less than or equal to 14 nm. Accordingly, an organic electroluminescence device having excellent mass productivity and high luminescent efficiency is realized.

Abstract: A light emitting unit (140) includes a first light emitting region (140a) and a second light emitting region (140b). The first light emitting region (140a) and the second light emitting region (140b) are adjacent each other, each region including a first electrode, an organic layer, and a second electrode. The organic layer is located between the first electrode and the second electrode. A light limiting layer (154) is formed between the first light emitting region (140a) and the second light emitting region (140b). The light limiting layer (154) prevents light incident on the second light emitting region (140b) from being incident on the first light emitting region (140a).

Abstract: In an organic electroluminescence device (100), a hole transport layer (22) is formed of a cured resin obtained by a ring opening polymerization of a polymerizable compound (a) containing a ring opening polymerizable group in the presence of a polymerization initiator (b). In addition, both of a maximum peak height Rp and a maximum valley depth Rv in an upper surface of the hole transport layer (22) are less than or equal to 14 nm. Accordingly, an organic electroluminescence device having excellent mass productivity and high luminescent efficiency is realized.

Abstract: In an organic electroluminescence device (100), a hole transport layer (22) is formed of a cured resin obtained by a ring opening polymerization of a polymerizable compound (a) containing a ring opening polymerizable group in the presence of a polymerization initiator (b). In addition, both of a maximum peak height Rp and a maximum valley depth Rv in an upper surface of the hole transport layer (22) are less than or equal to 14 nm. Accordingly, an organic electroluminescence device having excellent mass productivity and high luminescent efficiency is realized.

Abstract: In an organic electroluminescence device (100), a hole transport layer (22) is formed of a cured resin obtained by a ring opening polymerization of a polymerizable compound (a) containing a ring opening polymerizable group in the presence of a polymerization initiator (b). In addition, both of a maximum peak height Rp and a maximum valley depth Rv in an upper surface of the hole transport layer (22) are less than or equal to 14 nm. Accordingly, an organic electroluminescence device having excellent mass productivity and high luminescent efficiency is realized.

Abstract: In an organic electroluminescence device (100), a hole transport layer (22) is formed of a cured resin obtained by a ring opening polymerization of a polymerizable compound (a) containing a ring opening polymerizable group in the presence of a polymerization initiator (b). In addition, both of a maximum peak height Rp and a maximum valley depth Rv in an upper surface of the hole transport layer (22) are less than or equal to 14 nm. Accordingly, an organic electroluminescence device having excellent mass productivity and high luminescent efficiency is realized.

Abstract: Organic semiconductor layers comprise between a first electrode and a photoelectric converting layer a light extraction improving layer that contains at least silver or gold in part as a component, partially reflects light, and has transparency. The light extraction improving layer is in contact with or is inserted into a functional layer containing, for example, an organic semiconductor material, an oxide, a fluoride, or an inorganic compound having strong acceptor properties or strong donor properties with an ionization potential of 5.5 eV or higher, within the organic semiconductor layers.

Abstract: A method for producing an organic electroluminescent panel having an organic layer formed by a coating step and a large aperture ratio includes: a first step of arraying and distributing a plurality of first electrodes on or above a substrate; a second step of forming stacking bodies each composed of a plurality of organic-emitting layer on the top face of each of the first electrodes; and a third step of forming organic electroluminescent elements by forming second electrodes respectively on or above the stacking bodies. In the first step, a conductive body having an angled edge portion forming a edge line surrounding the top face itself is used. The second step includes a step of supplying at least a liquid having a light-emitting organic material that is ejected from a nozzle and supplied in a fine flow shape to the organic layer on the top face.

Abstract: A method for producing an organic electroluminescent panel having an organic layer formed by a coating step and a large aperture ratio includes: a first step of arraying and distributing a plurality of first electrodes on or above a substrate; a second step of forming stacking bodies each composed of a plurality of organic-emitting layer on the top face of each of the first electrodes; and a third step of forming organic electroluminescent elements by forming second electrodes respectively on or above the stacking bodies. In the first step, a conductive body having an angled edge portion forming a edge line surrounding the top face itself is used. The second step includes a step of supplying at least a liquid having a light-emitting organic material that is ejected from a nozzle and supplied in a fine flow shape to the organic layer on the top face.

Abstract: Organic semiconductor layers comprise between a first electrode and a photoelectric converting layer a light extraction improving layer that contains at least silver or gold in part as a component, partially reflects light, and has transparency. The light extraction improving layer is in contact with or is inserted into a functional layer containing, for example, an organic semiconductor material, an oxide, a fluoride, or an inorganic compound having strong acceptor properties or strong donor properties with an ionization potential of 5.5 eV or higher, within the organic semiconductor layers.

Abstract: An organic semiconductor device includes, between a pair of electrodes of a first metal electrode and a second electrode, at least, a light-emitting layer, a hole injection layer which removes holes from the first metal electrode, a hole transporting layer formed on the light-emitting layer on a side of the first metal electrode for transporting the holes removed by the hole injection layer to the light-emitting layer, and an electron transporting layer formed on the light-emitting layer on a side of the second electrode for removing electrons from the second electrode and transporting the electrons to the light-emitting layer, wherein the organic semiconductor device further includes a crystallinity controlling member which is a series of discontinuous clusters along the contact surface of the hole injection layer that is in contact with the first metal electrode, for controlling an orientation of crystalline molecules.

Abstract: An organic light-emitting device cutting off ambient light while keeping emission intensity includes a pair of first and second electrodes opposed to each other; and a plurality of organic semiconductor layers layered and disposed between the first and second electrodes, wherein the organic semiconductor layers include an organic light-emitting layer, the organic semiconductor device further comprising a light-scattering layer layered and disposed between the organic light-emitting layer and at least one of the first and second electrodes. The light-scattering layer includes: organic materials having carrier injection and transport characteristics of transporting electrons and/or holes; and plural particles dispersed among the organic materials so that light emitted from the organic light-emitting layer is passed therethrough.

Abstract: An organic electroluminescence device includes a plurality of organic semiconductor layers including an organic light-emitting layer and layered or disposed between a pair of anode and cathode opposed to each other. The device includes n-type-dopant-containing electron transport layer disposed between the cathode and the organic light-emitting layer. The n-type-dopant-containing electron transport layer includes an organic compound capable of transporting electrons as a first component which mixed with an n-type dopant of an electron donor of metallic atom or ion thereof as a second component. The organic electroluminescence device further includes an n-type-dopant blocking layer having an interface contacting with the n-type-dopant-containing electron transport layer to block the n-type dopant. The n-type-dopant blocking layer includes a heavy atom compound including at least one kind of heavy atoms with an atomic weight of 79 or more.

Abstract: A light-emitting device includes a transparent or semitransparent first electrode, a second electrode that forms a pair with the first electrode and reflects light, and organic semiconductor layers, which include a photoelectric converting layer that emits light by recombining holes removed from one of the first electrode and the second electrode with electrons removed from the other of the first electrode and the second electrode, wherein the organic semiconductor layers include between the first electrode and the photoelectric converting layer a light extraction improving layer, which contains at least silver or gold in part as a component, partially reflects light, and has transparency.

Abstract: A display device capable of suppressing a reduction in color purity includes: a first resonator structure having an upper reflective member, a lower reflective member, and a light-emitting functional layer therebetween, the light-emitting functional layer including a red light-emitting layer which emits red light; a second resonator structure having an upper reflective member, a lower reflective member, and a light-emitting functional layer provided therebetween, the light-emitting functional layer including a blue light-emitting layer which emits blue light; and a third resonator structure having an part reflective member, a lower reflective member, and a light-emitting functional layer provided therebetween, the light-emitting functional layer including a green light-emitting layer which emits green light, wherein the red light-emitting layer is a common layer provided in each of the light-emitting functional layers of the first to third resonator structures.

Abstract: [Problem to be Solved] To provide an organic electroluminescence device with heat resistance capable of being driven by a low voltage. [Solution] An organic electroluminescence device includes a pair of anode and cathode opposed to each other; and a plurality of organic semiconductor layers layered or disposed between the anode and the cathode, the organic semiconductor layers including a light-emitting layer. At least one of the organic semiconductor layers contains a bulky organic semiconductor compound having an aromatic multi-membered ring structure and at least three aromatic substituents bonded thereto. Each of the aromatic substituents is arranged in a manner that a dihedral angle between a ring plane of the aromatic multi-membered ring structure and the ring plane of the aromatic substituent is within 70 to 90° determined by a semiempirical molecular orbital calculation method.

Abstract: A pixel circuit includes a first power line that supplies a first power, a single control line, an emission control variable resistance element having one end connected to the first power line and the other end connected to the control line, a second power line that supplies a second power, a light-emitting element that has one end connected to the control line and the other end connected to the second power line and emits light in accordance with data written to the emission control variable resistance element, and a parallel connection variable resistance element having one end connected to the control line and the other end connected to the second power line so that it is parallel with the light-emitting element.

Abstract: An organic electroluminescence device includes a plurality of organic semiconductor layers including an organic light-emitting layer and layered or disposed between a pair of anode and cathode opposed to each other. The device includes n-type-dopant-containing electron transport layer disposed between the cathode and the organic light-emitting layer. The n-type-dopant-containing electron transport layer includes an organic compound capable of transporting electrons as a first component which mixed with an n-type dopant of an electron donor of metallic atom or ion thereof as a second component. The organic electroluminescence device further includes an n-type-dopant blocking layer having an interface contacting with the n-type-dopant-containing electron transport layer to block the n-type dopant. The n-type-dopant blocking layer includes a heavy atom compound including at least one kind of heavy atoms with an atomic weight of 79 or more.

Abstract: An organic semiconductor light-emitting device having the form of a field-effect transistor and a display using this device is provided. In the device, electrons and holes can be transported. The device comprises an organic semiconductor light-emitting layer capable of emitting light by recombination of holes and electrons, a hole injection electrode for injecting holes into the organic semiconductor light-emitting layer, an electron injection electrode for injecting electrons into the organic semiconductor light-emitting layer, and a gate electrode so disposed as to be opposed to the organic semiconductor light-emitting layer between the electrodes. When a control voltage is applied to the gate electrode, the carrier distribution in the organic semiconductor light-emitting layer is controlled. Thus, the light emission can be turned on/off and the emission intensity can be modulated.