47 results about "Tetracene" patented technology

An OLED device comprising, in sequence, an anode, a light-emitting layer that comprises a phosphorescent light-emitting organometallic compound, a hole-blocking layer, and a cathode, and between the hole-blocking layer and the cathode, a further layer containing a mixture of a first compound that is a tetracene compound that has the lowest LUMO value of the compounds in the layer, in an amount greater than or equal to 10% and less than 90% and a second compound that is a low voltage electron transport material, exhibiting a higher LUMO value than the first compound in an amount less than or equal to 90% and more than 10%.

One aspect of the present invention is a light-emitting element having a layer containing an aromatic hydrocarbon and a metal oxide between a pair of electrodes. There is no particular limitation on the kind of aromatic hydrocarbon; however, an aromatic hydrocarbon having a hole mobility of 1 x 10-6 cm2 / Vs or more is preferable. Examples of such aromatic hydrocarbons include 2-tert-butyl-9,10-bis(2-naphthyl)anthracene, anthracene, 9,10-diphenylanthracene, tetracene, rubrene, perylene, 2,5,8,11-tetra(tert-butyl)perylene and so on. As the metal oxide, a metal oxide exhibiting electron-accepting properties for aromatic hydrocarbons is preferable. As such metal oxides, for example, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide and the like are given.

An organic transistor is capable of emitting light at high luminescence efficiency, operating at high speed, handling large electric power, and can be manufactured at low cost. The organic transistor includes an organic semiconductor layer between a source electrode and a drain electrode, and gate electrodes shaped like a comb or a mesh, which are provided at intervals approximately in the central part of the organic semiconductor layer approximately parallel to the source electrode and the drain electrode. The organic semiconductor layer consists of an electric field luminescent organic semiconductor material such as compounds of naphthalene, anthracene, tetracene, pentacene, hexacene, a phthalocyanine system compound, an azo system compound, a perylene system compound, a triphenylmethane compound, a stilbene compound, poly N-vinyl carbazole, and poly vinyl pyrene.

Embodiments of the present subject matter provide an improved percussion primer composition and improved hot-wire igniter acceptor, wherein lead styphnate is replaced with a lead-free material, 4,6-dinitro-7-hydroxybenzofuroxan, potassium salt (KDNP). Embodiments of the percussion primer composition include KDNP, a sensitizer, an oxidizer, calcium silicide, a fuel, and a binder. Sensitizers may include tetracene. Oxidizers may include alkali or alkaline earth nitrates, oxides, or peroxides (such as barium nitrate). Fuel materials may include metals, metal sulfides, or other non-metallic materials. Common binders may include nitrocellulose based shellacs, gum arabic / poly vinyl alcohol mixtures, and guar gum / poly vinyl alcohol mixtures. Embodiments of the hot-wire igniter device include a bridgewire, an acceptor, and an output, where KDNP is the acceptor. Power supply may be in the form of constant current / voltage or current flow from a capacitor discharge. Certain embodiments utilize a variety of output formulations, such as BKNO3, black powder, and Red Dot double base propellant.

In an organic electroluminescence device including a cathode and an anode, at least an emitting layer and an electron transporting layer are provided between the cathode and the anode. The emitting layer contains a host material formed of a naphthacene derivative represented by the following formula (1) and a dopant material formed of a compound having a pyrromethene skeleton represented by the following formula (2) or a metal complex of the compound. The electron transporting layer is preferably a benzoimidazole derivative.

Disclosed is an OLED device comprising a light-emitting layer (LEL) containing a host and an emitting dopant located between a cathode and an anode wherein the dopant is a naphthacene derivative represented by formula (I):wherein:a) said naphthacene derivative contains at least one fluorine or fluorine containing group; andb) when exactly two fluorine containing groups are present said groups are not located at the 5- and 12-positions or at the 6- and 11-positions.

The present invention is directed to a compound of the formula (2) and its uses thereof:whereinT, U, V and W is CR1;R1 is H;X, is CR2 and N with the proviso that at least one X is equal to CR2 and at least one R2 from CR2 is equal to Z;andn and m are 0, 1, 2, 3 to 4 and either n is at least 3 or m is at least 3.

Disclosed herein is an organic electroluminescent device including: an anode; a cathode; and an organic layer including a light-emitting layer, a naphthacene compound layer containing a naphthacene compound, and an electron transport layer; the light-emitting layer being composed of a light-emitting guest material and an aromatic hydrocarbon compound having the skeleton of anthracene, and the naphthacene compound layer containing no less than 80 wt % of naphthacene compound represented by the formula (1) below and having a thickness of 0.5 to 10 nm and being in contact with that side of the electron transport layer which faces the light-emitting layer.

Present invention relates to an organic light-emitting film electrochemical deposition preparation method and application in preparing electroluminescence device, belonging to organic luminescence field. Said Light-emitting film is formed by electrochemical deposition in electrolytic bath, the monomer for electrochemical polymerization formed by chemical bond connecting electricity activity unit and luminescence unit, wherein electricity activity unit consisting of carbazole, thiophene, pyrrole, ethene, ethyne or phenylamine, diphenylamine, and triphenylamine, luminescence unit being cinnamic dimer, tripolymer, tetramer or terphenyl, quaterphenyl, quinquephenyl, tetracene, pentacene, fluorene dimer, tripolymer or tetramer and terpyridyl (dipyridyl ) rhenium etc, prepared electroluminescence device having simple technology, high device luminous efficiency, easy control area adjustable luminous color etc advantages.

The invention discloses a new application of a cyanine dye in detecting mitochondrial G-quadruplex in living cells. The cyanine dye is a structural compound shown in formula (I) or a stereoisomer of a compound shown in formula (I), and the cyanine dye fluorescent probe has good specific biocompatibility, low cytotoxicity, small molecular weight, and is The advantage of small sample damage enables real-time observation of cell samples without being affected by intracellular pH.

A blue color photoelectric conversion film includes: a p-type layer formed by depositing tetracene; a p,n-type layer formed by co-depositing tetracene and naphthalene-tetracarboxylic-dianhydride (“NTCDA”) on the p-type layer; and an n-type layer formed by depositing NTCDA on the p,n-type layer.

The invention relates to a synthesis method of tetracene and pentacene compounds. A plurality of double-acetylene propanol carbonate compounds are prepared from simple and available phthalic dicarboxaldehyde compound and aryl acetylene by using addition reaction of an alkynyl lithium reagent. The double-acetylene propanol carbonate compounds can react with an organic boronic acid in series in the presence of a catalytic amount of palladium reagent, so as to further synthetize the tetracene and pentacene compounds at good to excellent yield. The method has the characteristics of being available in raw materials, simple to operate, mild in condition, convenient and fast, excellent in yield and the like, and aryl and alkyl can be effectively led to skeletons of tetracene and pentacene by using the method.