Matsushita Electric Industrial Co., Ltd.

Other

Panasonic Intellectual Property Management Co., Ltd.

Akira Gyoutoku

Hideaki Iwanaga

Takahiro Komatsu

Takafumi Hamano

Shintaro Hara

Shintarou Hara

Tadahisa Sato

Tetsuro Nakamura

Kenichi Masumoto

Yuzo Kawano

Taiichi Mori

Hiroshi Nakashima

Yuuji Toyomura

Yuji Toyomura

Shinya Yamamoto

Katsuhiko Furukawa

Chiharu Wakamatsu

Dawei Gao

Katsunori Muraoka

An actuator includes a piezoelectric layer, a vibration plate, and a reduction inhibition layer. The piezoelectric layer includes an oxide material. The vibration plate is disposed below the piezoelectric layer, and configured to deform when the piezoelectric layer deforms. The reduction inhibition layer is disposed between the piezoelectric layer and the vibration plate, and configured to inhibit reduction reaction in the piezoelectric layer.

Actuator, ink-jet head, and ink-jet device

Providing an exposure unit using an organic electroluminescence element with a large emitted light quantity. The organic electroluminescence element has, on a substrate, an anodeacting as a hole injection electrode, a cathodeacting as an electron injection electrode, a first and second emission layersandeach having a light emission region, and a charge generation layerinjecting electrons into the light emission layerlying close to the anodeand injecting holes into the light emission layerlying close to the cathode, these layers being arranged between the anodeand the cathode

Organic electroluminescence element and an exposure unit and image-forming apparatus both using the element

An image forming apparatus includes an exposer including an organic electroluminescence element including at least an anode for injecting a hole, a luminescent layer having a luminescent region and a cathode for injecting an electron on a board. A photosensitive member is formed with an electrostatic latent image by exposing light of the exposer, a developer forms a toner image on the photosensitive member by supplying a toner to the electrostatic latent image, and a cooler cools the organic electroluminescence element such that the temperature of the organic electroluminescence element can be controlled.

Image forming apparatus having a cooler for an organic electroluminescence element

Electrically functional electronic device including an organic electroluminescence device is protected with a dense protective film, e.g. a silicon oxynitride film, formed on at least one part of the outer surface of the device at a low temperature by ECR plasma sputtering can prevent permeation of moisture, oxygen etc. into the device from the outside.

Electronic device and process for producing the same

An organic electroluminescence element comprising a substrate having provided thereon an anode for injecting holes, a cathode for injecting electrons, and at least one organic compound layer therebetween, wherein the organic compound layer contains at least one compound represented by formula (I), and at least one compound represented by formula (II), (III) or (IV) (definitions of formulas (I) to (IV) are described in the specification).

Organic electroluminescence element

An organic electroluminescent device comprising a plurality of first electrodes of transparent conductive film patterns formed on a transparent substrate; an organic thin film formed on the first electrodes; and a second electrode formed on the organic thin film, wherein a recess, which is an interval region between the first electrodes, is embedded with a photo resist. Therefore, even if the thickness of the first electrodes is increased, the occurrence of defective coverage at the edge portion of first electrodes can be prevented.

Organic electroluminescence device and manufacturing method thereof

An organic electroluminescence element including a first electrode of a transparent material provided on a substrate of a transparent material. An insulating bulkhead from which a portion of the first electrode is exposed is formed into a thickness so that the insulating bulkhead can be protruded excess to a level of an upper end of the first electrode. An organic thin film is formed on the first electrode and the bulkhead. A second electrode is formed on the organic thin film, wherein the insulating bulkhead comprises an overhang portion and the insulating bulkhead is made of a chromium oxide layer.

Organic electroluminescence element having an insulating bulkhead having an overhang portion

An organic thin-film electroluminescent (organic EL) element having an improved luminescent efficiency and improved stability is described, which comprises a substrate and, formed thereover, an anode for injecting holes, a cathode for injecting electrons, and at least one organic-compound layer interposed between the anode and the cathode, wherein the organic-compound layer comprises, for example, any of the following organic compounds.

Organic electroluminescent element

An organic thin-film electroluminescent display device comprising a substrate, hole injection electrodes, an organic thin film layer, electron injection electrodes, an electrode-driving IC for driving the electron injection electrodes and the electron injection electrodes and lead wires for connecting the hole injection electrodes and the electron injection electrodes to the electrode-driving IC. The lead wires each include a lead underlayer made of the same material of the hole injection electrode and a lead electroconductive layer formed on the lead underlayer and having a higher electroconductivity than that of the lead underlayer and or the electron injection electrodes each may include an underlayer for the electron injection electrode and an electroconductive layer for the electron injection electrode formed on the underlayer for the electron injection electrode and having a higher electroconductivity than that of the underlayer for the electron. The device injection electrode can prevent fluctuations in luminescence brightness due to different ohmic losses of lead wires connecting the hole injection electrodes and the electron injection electrodes to the electrode-driving IC and due to different electric resistances of electron injection electrodes.

Organic thin-film electroluminescent display device, method for driving

The object of the present invention is to provide an organic thin film EL device that has an improved close adherence of a hole injection electrode to an organic thin film layer and a long life, maintaining uniform luminance and minimized performance deterioration over the lapse of time. The organic thin film EL device, which includes an electron injection electrode and a hole injection electrode with an organic thin film layer placed therebetween, has a part or the whole of the hole injection electrode formed of a carbon film. In addition, the carbon film is formed by a sputtering method.

Organic thin film electroluminescent device and its manufacturing method

A thin film type magnetic head comprising a magnetic core made of a metallic magnetic material and interposed between two non-magnetic bases is disclosed. An auxiliary film, made of a magnetic material, is disposed on a surface including the magnetic core and not the surface which comes into contact with a recording medium. This arrangement can reduce the size of the magnetic head while preventing the lowering of the reproduction output.

Thin-film type magnetic head having an auxiliary magnetic film

The object of the present invention is to provide an organic thin film EL device that has an improved close adherence of a hole injection electrode to an organic thin film layer and a long life, maintaining uniform luminance and minimized performance deterioration over the lapse of time. The organic thin film EL device, which includes an electron injection electrode and an hole injection electrode with an organic thin film layer placed therebetween, has a part or the whole of the hole injection electrode formed of a carbon film. In addition, the carbon film is formed by a sputtering method.

Growing community of inventors

Saga, Japan

Akira Gyoutoku