Abstract: The present invention provides an EL device that contains a quantum-dots-containing layer in which quantum dots hardly coagulate even under high-temperature conditions, e.g., at a temperature of 90° C. or more, that has a good performance even if heat treatment was carried at a high temperature in its production process, that can retain its emission characteristics for a prolonged period of time, and that has high durability. An electroluminescent device comprises a pair of electrodes, and an electroluminescent layer containing at least a luminescent layer, situated between the electrodes. The luminescent layer contains quantum dots whose surfaces are protected by one or more protective materials. At least one of the protective materials has a glass transition temperature and a melting point of 90° C. or more.

Abstract: An electroluminescent device comprising a pair of electrodes, and an electroluminescent layer containing at least a luminescent layer, situated between the electrodes. The luminescent layer has a matrix material containing at least one organic compound, and quantum dots whose surfaces are protected by a protective material and that are dispersed in the matrix material. The protective material contains a first protective material. The absolute value of the ionization potential Ip(h), the absolute value of the electron affinity Ea(h), and the band gap Eg(h) of the first protective material, the absolute value of the ionization potential Ip(m), the absolute value of the electron affinity Ea(m), and the band gap Eg(m) of the organic compound, and the band gap Eg(q) of the quantum dots fulfill all of the conditions (A) to (C): (A) Ip(h)<Ip(m)+0.1 eV, (B) Ea(h)>Ea(m)?0.1 eV, and (C) Eg(q)<Eg(h)<Eg(m).

Abstract: A QD protecting material having high compatibility with a binder component in a luminescent layer. The luminescent layer contains, as a part of its chemical structure, a compound containing a moiety A having a sum atomic weight MA of 100 or more and quantum dots protected by a protecting material, the protecting material contains, as a part of its chemical structure, a linking group connected to a quantum dot surface and a moiety B that has a sum atomic weight MB of 100 or more, satisfies a relationship between MB and MA represented by |MA?MB|/MB (2, and satisfies the requirement that the sum atomic weight MB is larger than one-third of the molecular weight of the protecting material, and a solubility parameter SA of the moiety A and a solubility parameter SB of the moiety B satisfy a relationship represented by |SA (SB| (2.

Abstract: An object of the present invention is to provide a culture dish appropriate for automatically identifying cultured cells. The present invention relates to a culture dish for culturing cells that require separate control, which has a bottom wall and a side wall, wherein cell-holding parts having wells are arranged on the bottom wall, 4 or more wells are adjacent to each other, the wall surface of each well has a concave surface that slopes upward from the lowest position to the outer edge of the well, and the pitch between adjacent wells is 1 mm or less.

Abstract: The present invention provides a light emitting device that comprises a luminescent layer formed of a monomolecular film of quantum dots and has enhanced brightness and luminescence efficiency. A light emitting device 1 comprises at least an anode 3, a hole transport luminescent layer 5 formed of a material containing a hole transport material and quantum dots 11, an electron transport layer 7, and a cathode 4 provided in that order. The light emitting device 1 is constructed so that the hole mobility of the electron transport layer 7 is smaller than that of tris(8-quinolinolato)aluminum complex (Alq3), and, in the hole transport luminescent layer 5, excitons generated in the electron transport layer 7 migrate into the luminescent layer to emit light.

Abstract: An object of the present invention is to provide an EL element, which is with a problem of the EL layer deterioration caused at the time of forming a cathode layer on an EL layer resolved, and without the decline of the original functions; and a production method suitable for producing such an EL element. The object has been achieved by providing an EL element having a lamination structure with an anode layer, an EL layer, a charge transporting protection layer and a cathode layer formed in this order on a substrate, and by using a hole transporting material such as TPD for the charge transporting protection layer.

Abstract: A main object of the present invention is to provide an organic EL element being excellent in light emitting characteristics, characteristics of an organic EL layer and current-voltage characteristic. To attain the object, the invention discloses—an organic electroluminescent element comprises a substrate, an anode layer formed on the substrate, an organic electroluminescent layer formed on the anode layer and—containing at least a light emitting layer, a semitransparent cathode layer formed on the organic electroluminescent layer, a transparent buffer layer formed on the semitransparent cathode layer and having an impact buffering function, and a transparent electroconductive protection layer formed on the transparent buffer layer and having an oxidation preventing function. A contact region in which the semitransparent cathode layer and the transparent electroconductive protection layer contact with each other is provided in a non-display area.

Abstract: An object of the present invention is to provide an EL element, which is with a problem of the EL layer deterioration caused at the time of forming a cathode layer on an EL layer resolved, and without the decline of the original functions; and a production method suitable for producing such an EL element. The object has been achieved by providing an EL element having a lamination structure with an anode layer, an EL layer, a charge transporting protection layer and a cathode layer formed in this order on a substrate, and by using a hole transporting material such as TPD for the charge transporting protection layer.

Abstract: A main object of the present invention is to provide an organic EL element having high chromatic purity and excellent display quality. To achieve the object, the present invention provides an organic electroluminescence element comprising: a transparent substrate; a transparent or semitransparent-first electrode layer formed on the transparent substrate; an organic EL layer formed on the transparent or semitransparent-first electrode layer and containing at least a light emitting layer; a semitransparent-second electrode layer formed on the organic EL layer; a transparent or semitransparent-optical path length adjusting layer formed on the semitransparent-second electrode layer and made of an inorganic material; and a reflecting layer formed on the transparent or semitransparent-optical path length adjusting layer.

Abstract: A main object of the present invention is to provide an organic EL element being excellent in light emitting characteristics, characteristics of an organic EL layer and current-voltage characteristic. To attain the object, the invention discloses—an organic electroluminescent element comprises a substrate, an anode layer formed on the substrate, an organic electroluminescent layer formed on the anode layer and—containing at least a light emitting layer, a semitransparent cathode layer formed on the organic electroluminescent layer, a transparent buffer layer formed on the semitransparent cathode layer and having an impact buffering function, and a transparent electroconductive protection layer formed on the transparent buffer layer and having an oxidation preventing function. A contact region in which the semitransparent cathode layer and the transparent electroconductive protection layer contact with each other is provided in a non-display area.

Abstract: The present invention provides an electroluminescence device which can overcome a drawback that a light emitting layer deteriorates when a cathode layer is formed on the light emitting layer and has no decline in the original function; and a production method which is suitable for producing such an electroluminescence device. An electroluminescence device has a laminated structure wherein an anode layer, a light emitting layer, a charge transporting protection layer, and a cathode layer are successively formed on a substrate, in which the charge transporting protection layer comprises a transparent insulating material, or a transparent insulating material and a metal.

Abstract: A transfer film comprising a base film, a transfer layer, and a transfer auxiliary layer formed between the base film and the transfer layer so as to be in contact with at least the transfer layer, this transfer auxiliary layer having a melting point or a glass transition temperature lower than that of the transfer layer, wherein at least a portion of the transfer layer can be thermally transferred onto a substrate.

Abstract: A production method for an organic electroluminescent device includes the steps of: forming a first electrode on a substrate, forming an organic film including a light emitting layer on the first electrode, forming an electrically conductive and light transmissive protection layer on the organic film, and forming a transparent second electrode on the protection layer by a sputtering method.

Abstract: A laser processing device comprising: an optical system having a laser beam source, and an air-tight chamber provided separately from the optical system, wherein the chamber has a transparent portion for transmitting a laser beam emitted from the laser beam source, on a light-receptive face thereof receiving the laser beam, the chamber is capable of accommodating a donor substrate on which an organic substance layer including at least a luminous layer to be transferred is formed and an acceptor substrate onto which the organic substance layer is transferred from the donor substrate by the laser beam transmitted through the transparent portion, and the inside of the air-tight chamber is in an inert gas atmosphere or in a vacuum atmosphere.

Abstract: A production method for an organic electroluminescent device includes the steps of: forming a first electrode on a substrate, forming an organic film including a light emitting layer on the first electrode, forming an electrically conductive and light transmissive protection layer on the organic film, and forming a transparent second electrode on the protection layer by a sputtering method.

Abstract: A transfer film comprising a base film, a transfer layer, and a transfer auxiliary layer formed between the base film and the transfer layer so as to be in contact with at least the transfer layer, this transfer auxiliary layer having a melting point or a glass transition temperature lower than that of the transfer layer, wherein at least a portion of the transfer layer can be thermally transferred onto a substrate

Abstract: A laser processing device comprising: an optical system having a laser beam source, and an air-tight chamber provided separately from the optical system, wherein the chamber has a transparent portion for transmitting a laser beam emitted from the laser beam source, on a light-receptive face thereof receiving the laser beam, the chamber is capable of accommodating a donor substrate on which an organic substance layer including at least a luminous layer to be transferred is formed and an acceptor substrate onto which the organic substance layer is transferred from the donor substrate by the laser beam transmitted through the transparent portion, and the inside of the air-tight chamber is in an inert gas atmosphere or in a vacuum atmosphere.