Samsung Sdi Co., Inc.

Nec Corporation

Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Hiroshi Tada

Hitoshi Ishikawa

Atsushi Oda

Satoru Toguchi

Yukiko Morioka

Koji Utsugi

Akira Hirano

Hiroyuki Endoh

Eiichi Kitazume

An organic EL device including at least an anode, a cathode and an organic light-emitting zone with high brightness is provided. A mixture containing at least two compounds is used for a light-emitting zone and the spectrum of the luminescence from light-emitting zone includes at least one peak at a wavelength which is different from neither of fluorescent peak positions of the compounds included in light-emitting zone.

Organic electroluminescence device

An organic electroluminescence material of the present invention includes, in order to provide an durable organic EL device emitting light of high brightness, a compound shown by the general formula (A-I) or (B-I) (as explained in the specification) wherein, Ato Awhich may be the same or different, are independently each a substituent shown by the general formula (A-II) (as explained in the specification): and a, b, and bare independently each an aryl group which may be substituted, ahaving at least one substituent shown by the general formula (B-II) (as explained in the specification), and band beach having at least one substituent shown by the general formula (B-III) (as explained in the specification), and band bmay be the same of different.

Organic electroluminescence material and electroluminescence device using the same

An organic EL device comprising an anode, a cathode, and one or more organic thin-film layers having a light-emitting layer sandwiched between the anode and the cathode, the organic thin-film layers including, either singly or as a mixture, a perylene compound represented by a general formula [1] or a benzoperylene compound represented by a general formula [2].

Organic electroluminescent device having high luminance efficiency

In an organic electroluminescent device, a plurality of striped lower electrodes are formed on an insulating substrate along a first direction, and a plurality of fillers made of amorphous carbon are filled between the lower electrodes. Organic thin film layers including an emitting layer is formed on the fillers and the lower electrodes. A plurality of striped upper electrodes are formed on the organic thin film layer along a second direction different from the first direction.

Organic electroluminescent device with self-aligned insulating fillers and method for manufacturing the same

Organic electroluminescent device

Organic thin-film EL device

Organic electroluminescence element

An organic electroluminescent device comprising one or more organic thin film layers, at least one of the organic thin film layers containing a compound having a cyclohexylidenemethine group. This device has improved light-emitting properties such as luminance and luminous efficiencies, and no limitations on film deposition method in fabrication processes.

An organic EL device including a substrate, at least one organic thin-film layer overlying the main surface, and a pair of electrodes sandwiching therebetween the organic thin-film layer, at least one of the electrodes being a metallic electrode, the organic thin film layer defining a recombination electroluminescence region which is apart from the metallic electrode by at least 100 nm and has a periodic structure. In the organic EL device of the present invention, the emitted light is efficiently taken out by increasing the distance between the EL light-emitting region and the metal electrode for separating the light-emitting location from the metal electrode.

Organic electro-luminescence device and method for fabricating same

The present invention provides an organic EL device that allows the obtaining of favorable color emission with high efficiency. The organic EL device of the present invention has at least an emission layer and an electron transporting layer between an anode and cathode and an intermediate layer is provided between the emission layer and electron transporting layer that has a film thickness of 1 to 20 nm and is comprised of a material having an ionization potential larger than that of the material used for the emission layer

An electroluminescent display having top and bottom stripe-shaped electrodes extending in first and second directions perpendicular to each other so that a single electroluminescent organic thin film is sandwiched by the top and bottom electrodes, crossing regions of the top and bottom electrodes being aligned in matrix, and sub-pixels being formed in the crossing regions. Pixels are formed by a plurality of the sub-pixels, and shielding walls are provided at boundaries of the pixels. Shielding walls may also be provided at a boundary between each of the sub-pixels, and at least one sub-pixel in each pixel has a light emission dopant added to a host light-emission layer or region.

Luminescent display device and method of forming the same

An organic thin film electroluminescent device has at least an organic thin film provided between an anode and a cathode,

Green light emitting organic thin film electroluminescent device

In an organic thin film EL device comprising an anode layer, a cathode layer, and a complex layer including hole injection material and luminescent material, an anode interfacial layer is formed between the anode layer and the complex layer. The anode interfacial layer includes quinacridone derivative.

Growing community of inventors

Tokyo, Japan

Hiroshi Tada