Sharp Kabushiki Kaisha Corporation

Unified Innovative Technology, LLC

Kozo Iizuka, Director-General of Agency of Industrial Science and

Hidenori Ogata

Yoshimasa Fujita

Makoto Yamada

Yuhki Kobayashi

Ken Okamoto

Katsumi Kondoh

Emi Yamamoto

Mitsuhiro Koden

Hiroshi Hanafusa

Masahito Ohe

Kiyoshi Yoneda

An organic EL element () according to the present invention is such that a positive and negative charge transport layer () is interposed between a cathode () and an anode (). The positive and negative charge transport layer () is composed of a single host material and has a light-emitting region () which is doped with a light-emitting dopant. The positive and negative charge transport layer () further has at least one of the following blocking regions: an electron blocking region (), provided closer to the anode () than the light-emitting region (), having a lowest unoccupied molecular orbital lower than that of the lowest unoccupied molecular orbital of the light-emitting region (); and a hole blocking region (), provided closer to the cathode () than the light-emitting region (), having a highest occupied molecular orbital higher than that of the highest occupied molecular orbital of the light-emitting region ().

Organic electroluminescent element, method for manufacturing same, and organic electroluminescent display device

An organic electroluminescence illuminating device (L) has a structure in which an organic electroluminescence element () is provided and encapsulated between a pair of substrates (). A light emitting surface of the organic electroluminescence element () has a portion which is not parallel to a light extraction surface of the entire illuminating device.

Organic electroluminescence illuminating device and method for manufacturing the same

An organic EL display unit is an organic EL display unit which includes a first substrate; an organic EL element which is located on the first substrate, which includes a first electrode, an organic layer containing at least an organic light emitting layer, and a second electrode, and which is configured to emit excitation light; a second substrate; and an optical conversion layer which is located on the second substrate and which is configured to emit light to the outside through a display surface, the light being obtained by conversion of a color tone of the excitation light, the display surface is flat and rectangular, and the second substrate is divided into a plurality of sections along a long side direction of the display surface.

Organic EL display unit and organic EL display device

Provided are an image display device in which a desired number of panels are combined so that a large light-emitting surface is realized, a panel provided in the image display device, and a method for manufacturing the panel. For this purpose, a panel () of the present invention includes a rectangular light-emitting section (); a substrate () having a flat surface (') on which the rectangular light-emitting section () is provided and a curved adjacent surface (&#x2032;) that is adjacent to one of edge portions of the flat surface which extend along long sides of the rectangular light-emitting section (); and a terminal group that is drawn out from a long side of the rectangular light-emitting section () and that is disposed in the adjacent surface. The panels () are connected to each other by linking edge portions of the flat surfaces (&#x2032;) of the respective substrates () so that longitudinal directions of the respective rectangular display sections () are parallel to each other and so that the adjacent surface (&#x2032;) is located on the back side of the substrate (). In an image display section, pixels () are arranged in a matrix, and sub-pixels in each of the pixels () are aligned in a column direction of the matrix.

Image display device, panel and panel manufacturing method

In an organic EL illumination device (), a plurality of organic EL elements () are provided between an element substrate () and a covering substrate (). A heat dissipation member () which covers surfaces of the organic EL elements () is provided in a space formed between the element substrate () and the covering substrate (), between each organic EL element ().

Organic EL illumination device and method for manufacturing the same

An organic electric-field element includes an elongated support base member, a first electrode provided on the support base member, an organic layer provided to cover the first electrode, and a second electrode provided to cover the organic layer. At one end portion of the support base member, a two-layer structure region including the support base member and the first electrode is provided, and a three-layer structure region including the support base member, the first electrode, and the organic layer is provided, extending continuously from the other end of the two-layer structure region. At the other end portion of the support base member, a two-layer structure region including the support base member and the second electrode is provided, and a three-layer structure region including the support base member, the second electrode, and the organic layer is provided, extending continuously from one end of the two-layer structure region.

Organic element and organic device including the same

A light-emitting element of the present invention includes (i) a light-emitting layer (), (ii) an electrode layer () being transparent to part of light emitted from the light-emitting layer (), (iii) color converting layers (), and (iv) a transparent layer (). The color converting layers () and the transparent layer () sandwich the transparent electrode layer () with the light-emitting layer (). The color converting layers () and the transparent electrode layer () contain particles () expressing a surface plasmon phenomenon, respectively.

Light-emitting element, display and display device

The present invention includes: a reflective electrode (); a translucent electrode (); an organic EL layer () for emitting blue light, the organic EL layer being sandwiched between the reflective electrode and the translucent electrode; a red fluorescent substance layer () for converting the light from the organic EL layer () into red light; a green fluorescent substance layer () for converting the light from the organic EL layer () into green light; and a blue pixel including a light-distribution-characteristic adjusting layer () for adjusting a light distribution characteristic of the light from the organic EL layer (), the present invention being structured such that the reflective electrode () and the translucent electrode () produce a microcavity effect.

Organic electroluminescence element, organic electroluminescence display, and organic electroluminescence display apparatus

Panel () of the present invention includes substrate () having flat surface () having rectangular display section (), and adjacent surface () curved from an edge part of surface () in the vicinity of a long side of surface (). On surface (), terminals, extending from display section () (in the vicinity of the long side), are arranged. Edge parts of surfaces () of substrates () of adjacent panels () are combined so that longitudinal directions of light-emitting sections () are parallel to each other. Surface () projects on a back surface side of substrate (). It is thus possible to provide a light-emitting panel device realizing a large light-emitting surface by combining a desired number of panels, an image display device including the light-emitting panel device, an illumination device including the light-emitting panel device, a panel in the light-emitting panel device, and a method of producing the panel.

Light emitting panel device wherein a plurality of panels respectively having light emitting sections are connected, and image display device and illuminating device provided with the light emitting panel device

A display device of the present invention includes a red-light-emitting element (), a green-light-emitting element (), and a blue-light-emitting element (). The red-light-emitting element () and the green-light-emitting element () each include an organic EL section () and a color converting layer (). The color converting layer () has an optical distance that extends from (i) a position of the color converting layer from which position light is emitted to (ii) an extraction surface of the color converting layer, the optical distance being varied between the red-light-emitting element () and (). The blue-light-emitting element () may include a film-thickness adjusting layer () instead of the color converting layer ().

Organic EL display device with a color converting layer

One or more illumination panels () are hung by up-and-down cords (). The up-and-down cords () have a function of hanging the illumination panels () and a function of supplying electric power to the illumination panels (). Pulling a rod (), which is a take-up tool causes the up-and-down cords () to be taken up and, at the same time, the bottom rail () and the illumination panels () are also raised. At this time, the up-and-down cords () are taken up into the head box (). As such, when the bottom rail () is raised, the up-and-down cords () are taken up without bending. This makes it possible to distribute stress that may otherwise be concentrated locally on the up-and-down cords (). As a result, the up-and-down cords () can be prevented from getting broken due to deterioration caused by concentration of stress on the up-and-down cords (), which concentration is caused by bending etc. of the up-and-down cords ().

Integrated illumination apparatus and method of manufacturing same

The present invention relates to a method for producing a semiconductor thin film, in which a single crystalline silicon film is grown on an insulative single crystalline substrate, such as a single crystalline sapphire substrate, by the molecular beam epitaxy method. Silicon molecular beams are irradiated onto the substrate under the conditions wherein a substrate temperature is kept at 700.degree. to 900.degree. C. and an intensity of the molecular beams is kept within a range from 1.times.10.sup.12 atoms/cm.sup.2 .multidot.sec to 1.times.10.sup.13 atoms/cm.sup.2 .multidot.sec to clean a surface of the substrate and then the intensity of the molecular beams is increased to form the single crystalline silicon film. Thus, the substrate can be cleaned without being defected.

Growing community of inventors

Osaka, Japan

Hidenori Ogata