Kabushiki Kaisha Toyota Chuo Kenkyusho

Nippon Hoso' Kyokai

Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo

Kyodo Printing Co., Ltd.

Seiko Epson Corporation

Denso Corporation

Nippondenso Co., Ltd.

Showa Denko K.k.

Kanto Denka Kogyo Co., Ltd.

Nippon Hoso Kyoki

Shizuo Tokito

Yasunori Taga

Koji Noda

Hisayoshi Fujikawa

Youji Inoue

Mitsunori Suzuki

Tadahiro Furukawa

Tadashi Hattori

Masahiko Ishii

Nobuei Ito

Kazuhiro Inoguchi

Yutaka Hattori

Hiromitsu Tanaka

Chihaya Adachi

Makoto Mouri

Yoshio Taniguchi

Hisato Takeuchi

Sadaharu Suga

Makoto Satsuki

Tomoya Uchida

Atsushi Miura

Toshiki Koyama

Akira Shinpo

Tomoyasu Saitou

Tatsuya Shimoda

Osamu Yokoyama

Satoru Miyashita

Masataka Takeuchi

Naoko Ito

Koro Shirane

Isao Tanaka

Makoto Kimura

Tomohiko Mori

Masafumi Kobayashi

Yuan Gao

Yasuhiko Sawaki

Karl-Heinz Weinfurtner

Hisato K K Toyota Chuo Kenkyusho Takeuchi

Yasunori K K Toyota Chuo Kenkyusho Taga

Masamichi K K Toyota Chuo Kenkyusho Ikai

Mitsunori Suzuku

A flexible display of the present invention is an active matrix flexible display in which a TFT is provided for each pixel. In the flexible display, an adhesive layer, a protective layer, a gate electrode for the TFT, which is buried in the protective layer, a gate insulating layer for the TFT, source and drain electrodes for the TFT, a pixel electrode electrically connected to the drain electrode, an organic active layer for the TFT, an organic EL layer including a red (R) emitting layer, a green (G) emitting layer and a blue (B) emitting layer, which are formed on a plurality of the pixel electrodes, a metal electrode, and a sealing layer are formed on a plastic film.

Flexible display and manufacturing method of the same

Flexible display and manufacturing method thereof

An organic thin-film transistor having a higher carrier-mobility, a method of fabricating the organic thin-film transistor and an organic thin-film device including the organic thin-film transistor are provided. In an organic thin-film transistor having an organic semiconductor layer, the organic semiconductor layer contains a fluorinated acene compound which is represented by a formula of CF, wherein n is an integer of 2 or greater. The fluorinated acene compound is preferably tetradecafluoropentacene or dodecafluoronaphthacene.

Organic thin-film transistor and fabrication method thereof and organic thin-film device

4-Cyanocoumarin derivatives which have a distinct sensitivity to visible light, distinct luminescent ability, and satisfactory applicability for photochemical polymerization, dye lasers, and organic electroluminescent elements. Since most of the derivatives have a fluorescent maximum wavelength of 600 to 650 nm, particularly, 610 to 630 nm, they are extremely useful as luminescent agents for organic EL elements which emit visible light in a red-color region, and can be quite useful as luminescent agents in organic EL elements and laser-active substances in dye lasers, as well as luminous bodies as lighting sources for lighting devices, and information displays for visually displaying information.

4-cyanocoumarin derivatives and uses thereof

An organic polymeric phosphorescent compound and an organic light-emitting device employing the organic polymeric phosphorescent compound. The phosphorescent compound is a neutral organic polymeric phosphorescent compound emitting phosphorescence and used in an organic light-emitting device, and includes a phosphorescent unit and a carrier transporting unit.

Phosphorescent compound, a phosphorescent composition and an organic light-emitting device

The invention provides electroluminescent (EL) elements, such that a red EL light source, a green EL light source and a blue EL light source emit red color light, green color light, and blue color light, respectively, and are disposed at the rear of liquid crystal display elements. Each EL light source includes an organic EL element in which an organic thin film emits light. Each EL light source has a structure in which an organic luminescent layer is sandwiched between an indium tin oxide (ITO) electrode and a metal electrode which have striped patterns which are orthogonal to each other, and sections (luminescent sections) at which the striped patterns of the ITO electrode and the metal electrode intersect with each other emit light. The luminescent sections are arrayed two-dimensionally on a glass substrate and illuminate the entire display area of the liquid crystal display element.

Light source and display device

Electro luminescent element

Quinoline derivatives represented by formula (1) wherein two or more of substituents R to R are each a group of formula (2). In general formula (2), Q is a carbo- or hetero-aryl group; and the number (n) of double bonds is preferably 1 to 3. Use of such derivatives in an organic EL device provided with a layer of an organic compound and two electrodes sandwiching the layer as the organic compound gives devices emitting yellow to red light with high brightness and high efficiency. Further, doping a hole transport layer with such derivatives realizes organic EL devices capable of emitting lights of resultant colors (e.g., white) composed of lights from light-emitting and hole transport layers.

Quinoline derivatives and organic electroluminescent devices

An organic EL element has an anode, a cathode, and one or more organic compound layers sandwiched between the anode and cathode, wherein at least one layer of said organic compound layers includes an organic compound denoted by chemical formula (1), which is more specifically denoted by chemical formulas (2)-(5). By introducing desired substituents at R -R , these compounds can be made to demonstrate hole transport function, emissive function, electron transport function, or a combination of those functions. Due to its tendency to be structurally non-planar, the organic compound does not crystallize easily, and has a high glass transition temperature. Use of such a compound in an organic EL element enhances element life.

Organic electroluminescent element

An optical resonator type organic electroluminescent element has a multilayered film mirror , a transparent electrode , an electron hole transportation layer and a luminescent layer configuring an organic layer, and a metallic electrode mirror , formed on a glass substrate . The optical resonator type organic electroluminescent element amplifies a specific wavelength (especially, in a range of about 30 nm toward a shorter wavelength side from a luminescence peak wavelength of the organic layer) in luminescence light by a minute optical resonator, which comprises the multilayered film mirror and the metallic electrode mirror . It is determined that the minute optical resonator has an optical length L which is twice as long as a resonance wavelength, the organic layer has a thickness of 100 nm or more, and the transparent electrode has a thickness of 50 nm or more or a thickness so to have a sheet resistance of 30 &OHgr;/&square; or less. Thus, the transparent electrode can be prevented from generating heat even when a large current is caused to flow into it, and the element characteristics can be reliably prevented from being deteriorated. Moreover, the reliability of this element can be improved because the organic layer containing the luminescent layer has a sufficient thickness.

Optical resonator type organic electroluminescent element

Functional polymer and organic electroluminescence element, optical memory, and hole transport element using the same

For use in a display device, a simple-matrix-drive-type luminescent panel is formed by stacking a dielectric mirror layer, a transparent electrode, a hole transport layer, a luminous layer, and a metal electrode on a glass substrate, wherein the transparent electrode is formed as a plurality of stripes equally spaced apart a specified distance from each other, and the metal electrode is formed as a plurality of stripes equally spaced apart a specified distance from each other and arranged at right angles with the transparent electrode stripes, and pixels are formed at intersections of the metal electrodes and the transparent electrodes and wherein in order for the pixels of the panel to emit light to display information, the application of a voltage to the pixels is controlled by selection of the electrodes according to information. This luminescent panel contributes to reductions in size and weight of the display device.

Display device using organic electroluminescent elements

Growing community of inventors

Tokyo, Japan

Shizuo Tokito