Konica Minolta, Inc.

Konica-minolta Holdings, Inc.

Konica Minolta Medical and Graphic, Inc.

Hiroshi Ishidai

Takeshi Hakii

Kazuhiro Yoshida

Toshiyuki Kinoshita

Takatoshi Tsujimura

Minako Ono

Tomoyuki Nakayama

Shun Furukawa

Yasushi Okubo

Hiroaki Itoh

Ayako Wachi

Hiromi Akahori

An object of the present invention is to provide a two-sided light emission-type transparent organic electroluminescence element that has flexibility, has a small viewing angle dependence of chromaticity, and can easily adjust the light-emission balance of the two sides. The organic electroluminescence element of the present invention is characterized by being comprised by at least a transparent substrate, a first transparent electrode, an organic light-emitting layer, a second transparent electrode and a transparent sealing substrate, wherein both of the transparent substrate and the transparent sealing substrate have flexibility and are comprised by material(s) selected from an identical group of materials, and the first transparent electrode and the second transparent electrode are comprised by material(s) selected from an identical group of materials.

Organic electroluminescence element

A transparent electrode comprising a nitrogen-containing layer, and an electrode layer provided adjacent to the nitrogen-containing layer and having silver as a main component. The nitrogen-containing layer is configured using a compound containing nitrogen atoms, wherein the effective unshared electron pair content [n/M] is 2.0&#xd7;10&#x2264;[n/M], n being the number of unshared electron pairs that are not involved in aromaticity and that are not coordinated with the metal from among the unshared electron pairs of the nitrogen atoms, and M being the molecular weight.

Transparent electrode, electronic device, and organic electroluminescent element

Provided are a transparent conductive film having a simple manufacturing process and high transparency, high photoelectric conversion efficiency, and excellent durability and an organic photoelectric conversion element using this transparent conductive film. The transparent conductive film of the present invention is formed by laminating a ground layer which contains a nitrogen-containing organic compound and a metal thin film layer which contains a metal element of Group 11 of the periodic table and has a thickness of from 2 to 10 nm. In addition, the organic photoelectric conversion element of the present invention has a first electrode, a second electrode, and a photoelectric conversion layer present between the first electrode and the second electrode, and at least one of the first electrode and the second electrode of the organic photoelectric conversion element is a transparent conductive film formed by laminating the ground layer which contains the nitrogen-containing organic compound and the metal thin film layer which contains a metal element of Group 11 of the periodic table and has a thickness of from 2 to 10 nm.

Organic photoelectric conversion element and solar cell using the same

Provided is a transparent electrode having sufficient electrical conductivity and light transmissibility, as well as an electronic device and an organic electroluminescence element whose performance is improved by using such a transparent electrode. A transparent electrode () has an electrode layer () composed of silver, wherein the film-thickness of the electrode layer () is 12 nm or less at which sheet resistance is measurable, and wherein the circumferential length of apertures (a) obtained by processing a scanning electron microscope image of a surface region (S) with an area of 500 nm&#xd7;500 nm of the electrode layer () is, in sum total, 3000 nm or less.

Transparent electrode and electronic device

Provided is a transparent electrode having both sufficient conductivity and light transmittance, and also provided is an electronic device which improves performance by using said transparent electrode. Further provided is method of manufacturing said transparent electrode. This transparent electrode is provided with a nitrogen-containing layer and an electrode layer. The nitrogen-containing layer is formed at a deposition speed of 0.3 nm/s or greater, and is configured using a compound containing nitrogen atoms. Further, the electrode layer is provided adjacent to the nitrogen-containing layer, has a 12 nm or lower film thickness and a measurable sheet resistance, and is configured using silver or an alloy having silver as the main component.

Transparent electrode, electronic device, and transparent electrode manufacturing method

An object is providing an organic electroluminescence element and an illumination device in which a driving voltage does not increase even when a high-productivity sputtering method is used to form a transparent conductive layer of the organic electroluminescence element of a top or top-and-bottom emission type, and hence which has an improved driving voltage. The organic electroluminescence element includes at least a light emitting layer and a transparent conductive layer. Between the light emitting layer and the transparent conductive layer, a transparent protective layer is disposed. The light emitting layer contains a phosphorescence emitting compound. The transparent protective layer contains a metal oxide. The metal oxide is a molybdenum (VI) oxide, a rhenium (VI) oxide or a nickel (II) oxide in an oxygen deficient state.

Organic electroluminescence element and illumination device

A transparent electrode is configured which is provided with: a nitrogen-containing layer; a conductive layer which is provided abutting the nitrogen-containing layer, and which has silver as a main component thereof; a high refractive index layer having a refractive index higher than that of the nitrogen-containing layer; and a low refractive index layer having a refractive index lower than that of the high refractive index layer. In the nitrogen-containing layer, a compound is used which includes nitrogen atoms, and which has, in cases when n represents the number of unshared electron pairs which are not involved in aromaticity and which are not coordinated to metal, from among the unshared electron pairs of the nitrogen atoms, and M represents molecular weight, an effective unshared-electron-pair content [n/M] that satisfies 2.0&#xd7;10&#x2266;[n/M].

Transparent electrode, and electronic device

Provided is a transparent electrode including a nitrogen-containing layer and an electrode layer provided adjacent thereto. The nitrogen-containing layer includes a compound that contains a nitrogen atom or atoms and has an effective lone pair content n/M of 2.0&#xd7;10or more, wherein n represents the number of unshared electron pairs that neither contribute to aromaticity nor are coordinated to metal among the unshared electron pairs of the nitrogen atom or atoms, and M represents the molecular weight of the compound. The electrode layer includes silver as a main component and at least one additive element selected from aluminum, gold, indium, copper, palladium, and platinum.

Transparent electrode, electronic device, and organic electroluminescent device

An organic EL device includes at least two light-emitting units and at least one intermediate electrode that are disposed between a lower electrode and an upper electrode, the at least one intermediate electrode being electrically connected to an external power source. The at least one intermediate electrode is disposed between the at least two light-emitting units. At least one of the at least one intermediate electrode consists of a first metal layer composed of a metal with a work function of 3 eV or lower and a second metal layer adjoining the first metal layer and composed of another metal with a work function of 4 eV or higher. The first and second metal layers have a total thickness of 15 nm or less. The first metal layer is adjacent to an anode side of the second metal layer, when a voltage is applied across the intermediate electrode and the electrode opposing the intermediate electrode.

Organic electroluminescent element having intermediate electrode including two metal layers

The electronic device manufacturing apparatus is provided with: a substrate holding member; a first supply source which is provided so as to move relative to the primary surface side of the substrate, and which forms a nitrogen-containing layer by supplying a nitrogen-containing compound towards the primary surface of the substrate; and a second supply source which is disposed downstream of the first supply source in the direction of movement relative to the substrate, which forms a transparent electrode layer by supplying towards the primary surface of the substrate an electrode material having silver as the main component thereof, and which is disposed such that, between starting formation and two minutes after finishing formation of the nitrogen-containing layer at a prescribed position on the substrate, formation of the transparent electrode layer is started at said prescribed position on the substrate.

Electronic device manufacturing apparatus

A transparent electrode is provided with a nitrogen-containing layer, an electrode layer having silver as the main component thereof, and an aluminum intermediate layer, wherein the aluminum intermediate layer is in contact with the nitrogen-containing layer and the electrode layer and sandwiched between the nitrogen-containing layer and the electrode layer. The nitrogen-containing layer is formed by using a compound containing a nitrogen atom. The effective unshared electron pair content [n/M] of this compound satisfies '3.9&#xd7;10&#x2266;[n/M]', where n is the number of unshared electron pair(s) not involved in aromaticity and not coordinated to metal, among unshared electron pair(s) owned by the nitrogen atom, and M is molecular weight.

Transparent electrode, method for manufacturing transparent electrode, electronic device, and organic electroluminescence element

Provided are an organic electroluminescence element, an illumination device, and a display device having lower driving voltage and excellent luminous efficiency. An organic electroluminescence element has a supporting substrate; and a cathode, a light emitting layer and an adjacent layer provided on the supporting substrate, wherein the adjacent layer is arranged adjacent to the outer side of the cathode (i.e., the side opposite to the light emitting layer), wherein the cathode is a transparent layer containing a metal and having a film thickness of 2 nm or more but less than 10 nm; and wherein the adjacent layer has a refractive index of between 1.6 and 1.95, a film thickness of between 15 nm and 180 nm, and contains no light scattering particle.

Organic electroluminescence element, illumination device and display device

Disclosed is a production method for an organic electroluminescent element that is provided with a substrate, an organic laminate with an organic light emitting layer that was formed by a method involving a wet process, and a pair of electrodes, wherein the method produces an organic electroluminescent element with high luminous efficiency, low driving voltage, and a minimal rise in voltage when continuously driven, by applying the coating liquid for said organic light emitting layer, and thereafter, in a drying process, heating the substrate while applying tension in a manner such that a stress that is less than the yield stress is applied to the substrate.

Production method for organic electroluminescent element

Provided is a method of manufacturing an organic electronic device, wherein an organic electronic device that controls the injection and mobility of carriers in an organic charge transport layer thereof is manufactured by laminating organic layers comprising the same charge transportable organic compound, when manufacturing the organic electronic device with the coating method. In this method of manufacturing an organic electronic device, which comprises a pair of electrodes on a substrate, and at least an organic functional layer and an organic charge transport layer in between the electrodes, the organic charge transport layer is formed by, in the following order: 1) a process for forming a first organic layer by coating, on the organic functional layer, a first organic layer coating-liquid, containing a charge transportable organic compound; and 2) a process for forming a second organic layer by coating, on the first organic layer, a second organic layer coating-liquid containing the charge transportable organic compound and a metallic compound. The method of manufacturing an organic electronic device is further specified by sections 3), 4), and 5).

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Hachioji, Japan

Hiroshi Ishidai