Abstract: Provided is a heat-conductive sealing member which has high moisture barrier properties, has heat dissipation properties, and is capable of encapsulating an element by a simple method. The heat-conductive sealing member has a metal base material, an insulating layer that is formed on the metal base material, has heat conductivity and contains at least polyimide, and a tacky adhesive layer that is formed on the insulating layer and has heat resistance.

Abstract: An organic EL element which has no layer that prevents penetration of holes and electrons to the counter electrode. The organic EL element includes: an anode, a hole injecting and transporting layer formed on the anode, a light emitting layer formed on the hole injecting and transporting layer, an electron injecting and transporting layer formed on the light emitting layer, and a cathode formed on the electron injecting and transporting layer. Ip2?Ip3 is established when an ionization potential of a constituent material for the light emitting layer is Ip2 and an ionization potential of a constituent material for the electron injecting and transporting layer is Ip3. Ea1?Ea2 is established when an electron affinity of a constituent material for the hole injecting and transporting layer is Ea1 and an electron affinity of the constituent material for the light emitting layer is Ea2.

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: Disclosed is an organic electroluminescent element having an element structure that can reduce damage to an organic layer during electrode formation and can facilitate the injection of charges from the electrode into the organic layer. The organic electroluminescent element includes an anode, a cathode, and an organic layer held between the anode and the cathode. The organic layer contains a luminescent material. The organic electroluminescent element further includes a transparent protective layer provided between the anode or the cathode and the organic layer. The transparent protective layer contains a bipolar charge transport organic compound and an electron-accepting compound. The transparent protective layer is formed in a period between after the formation of the organic layer and before the formation of the anode or the cathode on the organic layer.

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: Provided is an electroluminescent device which has a luminescent layer including quantum dots and which are excellent in life characteristics. An electroluminescent device (1) comprises a first electrode layer (3), a luminescent layer (4) formed on the first electrode layer, and a second electrode layer (5) formed on the luminescent layer. The luminescent layer uses quantum dots (12), each quantum dot being surrounded by silane coupling agent (11).

Abstract: Provided is a heat-conductive sealing member which has high moisture barrier properties, has heat dissipation properties, and is capable of encapsulating an element by a simple method. The heat-conductive sealing member has a metal base material, an insulating layer that is formed on the metal base material, has heat conductivity and contains at least polyimide, and a tacky adhesive layer that is formed on the insulating layer and has heat resistance.

Abstract: A method of producing an organic EL element that allows easier patterning of the organic EL layer and reduction of the damage of the electrode layer caused by the organic EL layer and is superior in emission characteristics. Also provided is an organic electroluminescence element, including a substrate, a first electrode layer, a wettability variable layer, an organic EL layer, and a second electrode layer sequentially laminated. The wettability variable layer changes its wettability under the action of a photocatalyst caused by energy irradiation, is inactive to the energy, and has on the surface, a wettability variable pattern having an organopolysiloxane-containing lyophilic region and a liquid repellent region containing a fluorine-containing organopolysiloxane.

Abstract: The present invention provides a method for manufacturing an electroluminescence element that has a light emitting layer containing a quantum dot and exhibits excellent life characteristics. In the method, patterning of the light emitting layer can be stably performed by a lift-off method. A photoresist layer is formed on a substrate having a first electrode layer. The photoresist layer is then exposed, developed, and patterned to ensure that a portion of the photoresist layer, which is located in a light emission area, is removed. A coating liquid containing a quantum dot having a silane coupling agent attached to the surface thereof is coated on the resultant substrate having the patterned photoresist layer and cured to form a light emitting layer. The remaining photoresist layer is then removed to lift off a portion of the light emitting layer, which is present on the photoresist layer.

Abstract: A main object of the present invention is to provide an organic EL element having members such as an organic EL layer formed highly precisely in a pattern with preferable light emission characteristic of the organic EL layer, and a photocatalyst containing coating solution to be used for the production thereof.

Abstract: Disclosed is an organic electroluminescent element having an element structure that can reduce damage to an organic layer during electrode formation and can facilitate the injection of charges from the electrode into the organic layer. The organic electroluminescent element includes an anode, a cathode, and an organic layer held between the anode and the cathode. The organic layer contains a luminescent material. The organic electroluminescent element further includes a transparent protective layer provided between the anode or the cathode and the organic layer. The transparent protective layer contains a bipolar charge transport organic compound and an electron-accepting compound. The transparent protective layer is formed in a period between after the formation of the organic layer and before the formation of the anode or the cathode on the organic layer.

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: Provided is an electroluminescent device which has a luminescent layer including quantum dots and which are excellent in life characteristics. An electroluminescent device (1) comprises a first electrode layer (3), a luminescent layer (4) formed on the first electrode layer, and a second electrode layer (5) formed on the luminescent layer. The luminescent layer uses quantum dots (12), each quantum dot being surrounded by silane coupling agent (11).

Abstract: An organic EL element which has no layer that prevents penetration of holes and electrons to the counter electrode. The organic EL element includes: an anode, a hole injecting and transporting layer formed on the anode, a light emitting layer formed on the hole injecting and transporting layer, an electron injecting and transporting layer formed on the light emitting layer, and a cathode formed on the electron injecting and transporting layer. Ip2?Ip3 is established when an ionization potential of a constituent material for the light emitting layer is Ip2 and an ionization potential of a constituent material for the electron injecting and transporting layer is Ip3. Ea1?Ea2 is established when an electron affinity of a constituent material for the hole injecting and transporting layer is Ea1 and an electron affinity of the constituent material for the light emitting layer is Ea2.

Abstract: A method of producing an organic EL element that allows easier patterning of the organic EL layer and reduction of the damage of the electrode layer caused by the organic EL layer and is superior in emission characteristics. Also provided is an organic electroluminescence element, including a substrate, a first electrode layer, a wettability variable layer, an organic EL layer, and a second electrode layer sequentially laminated. The wettability variable layer changes its wettability under the action of a photocatalyst caused by energy irradiation, is inactive to the energy, and has on the surface, a wettability variable pattern having an organopolysiloxane-containing lyophilic region and a liquid repellent region containing a fluorine-containing organopolysiloxane.

Abstract: The present invention provides a method for manufacturing an electroluminescence element that has a light emitting layer containing a quantum dot and exhibits excellent life characteristics. In the method, patterning of the light emitting layer can be stably performed by a lift-off method. A photoresist layer is formed on a substrate having a first electrode layer. The photoresist layer is then exposed, developed, and patterned to ensure that a portion of the photoresist layer, which is located in a light emission area, is removed. A coating liquid containing a quantum dot having a silane coupling agent attached to the surface thereof is coated on the resultant substrate having the patterned photoresist layer and cured to form a light emitting layer. The remaining photoresist layer is then removed to lift off a portion of the light emitting layer, which is present on the photoresist layer.

Abstract: A main object is to provide a manufacturing method of an organic EL element having excellent light emission characteristics, and capable of facilitating the organic EL layer patterning operation and obtaining preferable wettability change.

Abstract: A main object of the present invention is to provide an organic EL element having members such as an organic EL layer formed highly precisely in a pattern with preferable light emission characteristic of the organic EL layer, and a photocatalyst containing coating solution to be used for the production thereof.

Abstract: The main object of the present invention is to provide a substrate for an organic EL element using a photocatalyst containing layer, capable of providing an organic EL element having the excellent light emission characteristic. To achieve the object, the invention provides a substrate for an organic EL element comprising a base material, an electrode layer formed on the base material, a photocatalyst containing layer formed on the electrode layer, and a smoothing layer formed on the photocatalyst containing layer.