Konica Minolta, Inc.

Konica-minolta Holdings, Inc.

Kazutoshi Murota

Toshihiko Iwasaki

Taro Konuma

Provided is a method for producing a gas barrier film having a base and a gas barrier layer being arranged on the base, containing a step (1) for preparing a base having a moisture content of 0.01 to 1% by mass, a step (2) for obtaining a coating film by coating a coating liquid containing polysilazane onto the base, and a step (3) for forming a gas barrier layer by irradiating the coating film with vacuum ultraviolet rays.

Method for producing gas barrier film

The purpose of the present invention is to provide a gas barrier film which exhibits excellent storage stability, in particular, excellent storage stability even under harsh conditions (high temperature and high moisture conditions). The present invention pertains to a gas barrier film which comprises a substrate and a silicon-containing film that has a chemical composition represented by the following Chemical Formula (1) and that satisfies the relationships represented by Mathematical Formula 1 and Mathematical Formula 2:[Mathematical Formula 1]0.001&#x2266;/()&#x2266;0.25&#x2003;&#x2003;Mathematical Formula 13.30&#x2266;32&#x2266;4.80&#x2003;&#x2003;Mathematical Formula 2

Gas barrier film

Disclosed are: an organic electroluminescent element which has high power efficiency, excellent resistance to luminance decrease due to continuous operation and excellent storage stability at high temperatures, while being reduced in chromatically change of color developing light; and a method for manufacturing the organic electroluminescent element. Specifically disclosed is an organic electroluminescent element that has a positive electrode and a negative electrode on a supporting substrate, while comprising an organic layer, which contains at least one light-emitting layer, between the positive electrode and the negative electrode. The organic electroluminescent element is characterized in that at least one layer in the organic layer contains a crown ether compound and a compound having a dibenzofuran skeleton.

Organic electroluminescence element and method for manufacturing organic electroluminescence element

Disclosed is an organic electroluminescent element which can be produced by a wet process, has improved laminated structure, and also has improved external quantum efficiency and an improved service life. The organic electroluminescent element comprises at least an anode; a cathode and a laminated structure intercalated between the anode and the cathode, all of which are arranged on a substrate, wherein the laminated structure has at least four layers formed by a wet process, and wherein the layers produced by the wet process include at least a hole injection layer, a hole transport layer and a light-emitting layer. The organic electroluminescent element is characterized in that the hole injection layer comprises an electrically conductive polymer, the hole transport layer comprises a polymeric compound having a repeating unit represented by general formula (1), and the polymeric compound has a weight average molecular weight of 50,000 to 200,000 in terms of polystyrene content.

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Tokyo, Japan

Kazutoshi Murota