Semiconductor Energy Laboratory Co., Ltd.

Ryoji Nomura

Satoshi Seo

Nobuharu Ohsawa

Sachiko Kawakami

Shunpei Yamazaki

Harue Nakashima

Hiroko Abe

Masakazu Egawa

Tsunenori Suzuki

Mikio Yukawa

Kumi Kojima

Yoshinobu Asami

Takako Takasu

Junichiro Sakata

Hideko Inoue

Satoko Shitagaki

Tamae Takano

Atsushi Tokuda

Hisao Ikeda

Harue Osaka

Yuji Iwaki

Masayuki Sakakura

Daisuke Kumaki

Akihisa Shimomura

Masakazu Murakami

Sachiko Yamagata

Kiyoshi Kato

Yasuyuki Arai

Yoshitaka Moriya

Kaoru Kato

Yukie Nemoto

Yasuo Nakamura

Hiroko Murata

Masahiro Takahashi

Takahiro Kawakami

Tomoya Aoyama

Nozomu Sugisawa

Takaaki Nagata

Takehisa Sato

Koji Muranaka

Tatsuya Arao

Shinji Maekawa

Keitaro Imai

Hajime Tokunaga

Yasuko Watanabe

Hiroko Nomura

Masahiro Katayama

Hiroko Yamazaki

Takehisa Hatano

Takeshi Shichi

Shunpei Yamaqzaki

Ohsawa Nobuharu

Kawakami Sachiko

Suzuki Tsunenori

Osaka Harue

Seo Satoshi

Inoue Hideko

Tsuenori Suzuki

Nobuhara Ohsawa

It is an object of the present invention to provide a light emitting element, which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light emitting element, which is resistant to repetition of a reduction reaction. An anthracene derivative is represented by a general formula (1). In the general formula (1), R1 represents hydrogen or an alkyl group having 1 to 4 carbon atoms, R2 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms and an aryl group having 6 to 12 carbon atoms, R3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms, Ph1 represents a phenyl group, and X1 represents an arylene group having 6 to 15 carbon atoms. 

Anthracene derivative, light emitting element using the same, and light emitting device using the same

Anthracene derivative, light-emitting element using the same, and light-emitting device using the same

It is an object of the present invention to provide a composite material that can be used for manufacturing a heat-resistant light-emitting element, provide a composite material that can be used for manufacturing a heat-resistant light-emitting element that can be driven with stability for a long period of time, and further, provide a composite material that can be used for manufacturing a light-emitting element that easily prevents short circuit between electrodes and uses less power. The present invention provides a composite material that has a first metal oxide skeleton including a first metal atom and an organic compound that is bound to the first metal atom by forming a chelate, where the first metal oxide exhibits an electron accepting property to the organic compound.

Composite material, light-emitting element, light-emitting device, and manufacturing method thereof

An object is to provide a novel anthracene derivative. Another object is to provide a light-emitting element with high luminous efficiency. Yet another object is to provide a light-emitting element with a long lifetime. Still another object is to provide a light-emitting device and an electronic device having a long lifetime by using the light-emitting elements of the present invention. The anthracene derivative represented by General Formula (1) is provided. The ability of the anthracene derivative represented by General Formula (1) to exhibit high luminous efficiency allows the production of a light-emitting element with high luminous efficiency and a long lifetime.

Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative

The invention provides a semiconductor device which is non-volatile, easily manufactured, and can be additionally written. A semiconductor device of the invention includes a plurality of transistors, a conductive layer which functions as a source wiring or a drain wiring of the transistors, and a memory element which overlaps one of the plurality of transistors, and a conductive layer which functions as an antenna. The memory element includes a first conductive layer, an organic compound layer and a phase change layer, and a second conductive layer stacked in this order. The conductive layer which functions as an antenna and a conductive layer which functions as a source wiring or a drain wiring of the plurality of transistors are provided on the same layer.

Semiconductor device

A semiconductor device that can transmit and receive data without contact is popular partly as some railway passes, electronic money cards, and the like; however, it has been a prime task to provide an inexpensive semiconductor device for further popularization. In view of the above current conditions, a semiconductor device of the present invention includes a memory with a simple structure for providing an inexpensive semiconductor device and a manufacturing method thereof. A memory element included in the memory includes a layer containing an organic compound, and a source electrode or a drain electrode of a TFT provided in the memory element portion is used as a conductive layer which forms a bit line of the memory element.

Memory device and manufacturing method the same

Color purity of a light emitting element is improved without an adverse effect such as reduction in voltage and luminance efficiency. The light emitting element has a light emitting laminated body including a light emitting layer between a pair of electrodes. A buffer layer is provided to be in contact with at least one of the electrodes. One of the electrodes is an electrode having high reflectance and the other is a translucent electrode. By employing a translucent electrode, light can be transmitted and reflected. An optical distance between the electrodes is adjusted in accordance with a thickness of the buffer layer, and accordingly, light can be resonated between the electrodes. The buffer layer is made of a composite material including an organic compound and a metal compound; therefore, voltage and luminance efficiency of the light emitting element is not affected even if a distance between the electrodes becomes long.

Light emitting device and electronic device

Semiconductor elements stacked and bonded with an anisotropic conductive adhesive

The present invention provides an evaporation device for which maintenance is readily conducted, and further, provides an electrode cover which can prevent an evaporation material from being adhered to electrodes. Moreover, the present invention provides an evaporation device including an evaporation chamber; a holding portion for holding an object to be treated; an evaporation source; an electrode; an electrode cover; and a power supply, in which the evaporation chamber includes the holding portion in an upper portion, and includes the evaporation source, the electrode, and the electrode cover in a lower portion; the electrode cover covers at least a part of an exposed surface of the electrode; the electrode and the power supply are electrically connected.

Electrode cover and evaporation device

An object of the present invention is to provide a light-emitting element with high luminous efficiency, and a light-emitting element of low-voltage driving. Another object is to provide a light-emitting device with low power consumption by using the light-emitting element. Another object is to provide an electronic appliance with low power consumption by using the light-emitting device in a display portion. A light-emitting element includes, between a pair of electrodes, a layer containing a composite material of a first organic compound and an inorganic compound and a layer containing a second organic compound being in contact with the layer containing the composite material, wherein the second organic compound does not have a peak of an absorption spectrum in a wavelength region of 450 to 800 nm if the second organic compound is compounded with the inorganic compound.

Light-emitting element, light-emitting device, and electronic appliance

A novel stilbene derivative is provided with motivation of providing a blue emissive material showing excellent color purity. The use of the stilbene derivative of the present invention allows the fabrication of a blue-emissive light-emitting element with excellent color purity. The invention also includes an electronic device equipped with a display portion in which the stilbene derivative is employed. The stilbene derivative of the present invention is represented by formula (1), in which Arand Armay form a 5-membered ring by being directly bonded to each other. In formula (1), Arepresents any one of substituents represented by general formulas (1-1) to (1-3). The variables shown in formula (1) and (1-1) to (1-3) are as defined in the specification. 

Stilbene derivatives, light-emitting element, display device, and electronic device

An oxadiazole derivative represented by the following general formula (G1) is synthesized and applied to the light emitting element, A; 

Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative

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Kanagawa, Japan

Ryoji Nomura