Abstract: It is an object of the present invention to provide a display device without using an oxide light-transmitting conductive film which is necessary in a conventional method. In addition, it is another object of the present invention to provide an electronic device having a display device using a new electrode material. It is a summary of the present invention to form an electrode of a pixel or a pixel portion with a light-transmitting conductive film containing a hole-transporting organic compound and a metal oxide which shows an electron accepting property with respect to the hole-transporting organic compound. The hole-transporting organic compound and the metal oxide which shows an electron accepting property with respect to the hole-transporting organic compound are composed to have resistivity of less than or equal to 1×106 ?·cm, thereby being able to serve as an electrode of a pixel.

Abstract: Compounds comprising a triphenylene moiety and a benzo- or dibenzo-moiety are provided. In particular, the benzo- or dibenzo-moiety has a fused substituent. These compounds may be used in organic light emitting devices, particularly in combination with yellow, orange and red emitters, to provide devices with improved properties.

Abstract: There is provided an electroluminescent composition. The composition includes a material having Formula I In Formula I: R1 is the same or different at each occurrence and is selected from D, alkyl, alkoxy, silyl, and siloxane, or adjacent R1 groups may be joined together to form a 5- or 6-membered aliphatic ring; Ar1 and Ar2 are the same or different and are aryl groups; a is an integer from 0 to 6; b is an integer from 0 to 2; and c is an integer from 0 to 3.

Abstract: The present invention provides a novel compound that is capable of largely improving life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device, and an organic light emitting device in which said compound is included in an organic compound layer.

Abstract: A novel compound having high triplet excitation energy and a bipolar property is provided. Specifically, a phenanthrene compound represented by General Formula (G1) is provided where R11 to R19 and R21 to R27 separately represent any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, Ar represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, and Z represents a sulfur atom or an oxygen atom. The use of the phenanthrene compound as a host material of a light-emitting layer in the presence of a phosphorescent dopant allows the formation of a light-emitting element with high current efficiency.

Abstract: An organic EL device includes an organic EL emitter that emits blue light and a blue color filter through which the light emitted from the organic EL emitter passes. The blue color filter contains a coloring material selected from the group consisting of a triarylmethane dye, a lake pigment, a copper-phthalocyanine pigment, and a mixture of a copper-phthalocyanine pigment and a dioxazine pigment. The chromaticity of the light that has passed through the blue color filter after being emitted from the organic EL emitter, is in the range defined by lines connecting three chromaticity coordinates (0.150, 0.060), (0.143, 0.031), and (0.130, 0.049) on the CIE chromaticity diagram.

Abstract: An OLED device including a cathode, a light emitting layer and an anode, in that order, and, having located between the cathode and the light emitting layer, a further layer containing an alkali metal or alkaline earth metal salt of a 2-(2-hydroxyphenyl)phenanthroline derivative, according to Formula (MC) below. Such devices exhibit reduced drive voltage while maintaining good luminance.

Abstract: A polymer and an organic light-emitting device including the polymer.

Abstract: An organic electroluminescent device for emitting red light is disclosed, including: an anode; a cathode; and an organic layer including a light emitting layer provided between the anode and the cathode, wherein the light-emitting layer contains a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound having a skeleton with a 4 to 7 membered ring, and a photosensitizing layer containing a light-emitting guest material which generates blue light is provided adjacent to the light-emitting layer.

Abstract: A white organic light-emitting device is provided by the present invention. The white organic light-emitting device includes an anode, a hole transport layer, a first light-emitting layer, a second light-emitting layer, a third light-emitting layer, an electron transport layer and a cathode, wherein the second light-emitting layer is formed between the first and the third light-emitting layers, the emission wavelength of the second light-emitting layer is longer than that of the first and third light-emitting layers, and the host material of the first and third light-emitting layer are different. The white organic light-emitting device of the present invention is capable of effectively increasing the luminous efficiency, reducing operating voltage, and providing color stability.

Abstract: The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) or formula (2) as dopants in the emitting layer or as hole-transport material in a hole-transport layer.

Abstract: There is provided an electroactive composition. The composition has (a) a host material having Formula I and (b) an electroactive dopant capable of electroluminescence having an emission maximum between 500 and 700 nm. In Formula I: R1 to R8 are the same or different and can be H, alkyl, or alkoxy, or adjacent R groups may be joined together to form a 5- or 6-membered aliphatic ring, with the proviso that at least one of R1 to R8 is not H, Ar1 to Ar4 are the same or different and are aryl groups, A is the same or different at each occurrence and can be a single bond or a phenylene group, and a and b are the same or different and are an integer of 0-2.

Abstract: An organic electroluminescent device excellent in light emission efficiency and driving voltage, having electrodes composed of an anode and a cathode, a first organic layer arranged in contact with or adjacent to the anode between the electrodes and containing a hole transporting polymer compound and a second organic layer arranged in contact with the first organic layer between the first organic layer and the cathode and containing an electron transporting polymer compound, wherein the hole transporting polymer compound and the electron transporting polymer compound are regulated by specific parameters, at least one of the first organic layer and the second organic layer contains a light emitting material regulated by specific parameters, and light of specific color is emitted from the first organic layer or from the first organic layer or the second organic layer.

Abstract: An organic material including a hydrophilic polymer and an organic moiety having a hydroxyl substituted C6-C14 aromatic functional group, the organic moiety binding to an end or a side of the hydrophilic polymer.

Abstract: Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.

Abstract: Embodiments of the present invention are directed to a compound represented by Formula 1 below and an organic light-emitting device including the compound.

Abstract: It is an object to provide a novel material having a bipolar property, a light emitting element provided with the novel material, and a display device that includes the light emitting element. It is an object to provide a pyrazine derivative represented by the following general formula (g-1).

Abstract: In a light emitting element using an organic metal complex which can convert an excited triplet state into a light emission, a red color light emitting element exhibiting a high light emission efficiency and an excellent color purity is provided. A material used in a hole transporting layer and a host contained in a light emitting layer and an electron transporting layer has a triplet excitation energy larger than a triplet excitation energy of the organic metal complex which is a light emitting substance to enable a current efficiency and an external quantum efficiency of the light emitting element to be improved. It is possible to obtain a current efficiency of 2.0 cd/A or more and an external quantum efficiency of 5% or more. The color purity is excellent. The CIE chromaticity coordinate is X?0.7 and Y?0.3 to make it possible to exceed an NTSC standard.

Abstract: Use of a precursor of an n-dopant for doping an organic semiconductive material, as a blocking layer, as a charge injection layer, as an electrode material, as a storage material or as a semiconductor material itself in electronic or optoelectronic components, the precursor being selected from the following formulae 1-3c:

Abstract: A system and process for controlling electronic interactions between two or more interactable materials.