摘要:
An organic electroluminescent device comprising: a pair of electrode; and at least one organic layer between the pair of electrode, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one phosphorescent material and at least one compound represented by the formula (I) defined herein.
摘要:
An organic electroluminescence element including an organic layer including a light-emitting layer disposed between a pair of electrodes, wherein the light-emitting layer contains at least one hole transporting light-emitting material and at least one electron-transporting host material, and a concentration of the hole transporting light-emitting material in the light-emitting layer decreases from an anode side toward a cathode side.
摘要:
The invention provides an organic electroluminescent device having at least an organic compound layer provided between a pair of electrodes. The organic electroluminescent device has at least a polymer comprising a metal complex containing a tri- or higher-dentate ligand in the polymer molecule. The metal complex preferably contains a tetra- or higher-dentate ligand in the polymer molecule. At least one of the ligands is preferably a chain. The metal complex preferably contains a transition metal ion or a rare earth metal ion. The metal complex preferably contains a nitrogen atom in its complex structure. Further, the polymer preferably contains the metal complex in its main chain or its side chain.
摘要:
An organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer between the pair of electrodes, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one electron injection/transport compound, at least one hole injection/transport compound, and at least one green or blue phosphorescent compound; and the electron injection/transport compound and the hole injection/transport compound each has a minimum triplet exciton energy value which is equal to or more than that of the green or blue phosphorescent compound.
摘要:
A methine compound which is represented by the following formula (VI): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R each represents a hydrogen atom or a substituent; A represents a heterocyclic ring containing an aromatic ring; X represents an oxygen atom, a sulfur atom, or N—R10, wherein R10 represents a hydrogen atom or a substituent; L1 and L2 each represents a substituted or unsubstituted methine group; and n represent 1 or 2. Also, a material for organic luminescence element and organic luminescent element using the same are disclosed.
摘要:
A light-emitting device comprising a pair of electrodes formed on a substrate, and organic compound layers comprising a light-emitting layer provided in between the electrodes, wherein at least one of the organic compound layers comprises a heterocyclic compound having at least two hetero atoms and a phosphorescent compound.
摘要:
The present invention provides an organic EL element material which can emit light having a high color purity at a low driving voltage, a high luminescence and a high efficiency and exhibits an excellent stability in repeated use. A normal organic electroluminescence element material is provided which is a heterocyclic compound produced by the condensation of a 5- or 6-membered ring with a 5- to 7-membered ring.
摘要:
A novel methine compound which is represented by the following formula (I): wherein R1, R2, R3, R4 and R5 each represents a hydrogen atom or a substituent; X represents an oxygen atom, a sulfur atom, or N—R6; Z represents —NR7R8, or —OG; R6, R7 and R8 each represents a hydrogen atom or a substituent; G represents a hydrogen atom, a cation or a substituent; L1, L2 and L3 each represents a substituted or unsubstituted methine group; n represents 1 or 2; and W represents an electron attractive group. Also, a material for organic luminescence element and organic luminescence element using the same are disclosed.
摘要:
A photothermographic material contains an organic silver salt, a photosensitive silver halide, a reducing agent, a binder, and a compound of the formula: X--L.sub.1 --D wherein D is an electron donative group of atoms, X is an adsorption promoting group to silver halide, and L.sub.1 is a valence bond or a linking group. It has high sensitivity in the red to infrared region and experiences a minimal change of photographic properties under different developing conditions.
摘要:
A novel process and processing composition for processing a silver halide photographic material is disclosed. The processing composition is an aqueous solution of a ferric (III) complex salt of an �S,S! optical isomer of a compound represented by formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represents a hydrogen atom, an aliphatic group, an aromatic group or a hydroxyl group; W represents a divalent linking group containing carbon atoms; and M.sub.1, M.sub.2, M.sub.3 and M.sub.4 each represents a hydrogen atom or a cation. The processing composition is useful for bleaching a silver halide color photographic material. A process for processing a silver halide color photographic material is further disclosed, employing the above described process composition containing a ferric (III) complex salt of the compound of formula (I) as a bleaching agent.
摘要翻译:公开了一种用于处理卤化银照相材料的新型工艺和处理组合物。 处理组合物是由式(I)表示的化合物的[S,S]旋光异构体的三(三)配盐盐水溶液:其中R1,R2,R3,R4,R5 R 6表示氢原子,脂肪族基团,芳香族基团或羟基基团。 W表示含有碳原子的二价连接基团; 并且M1,M2,M3和M4各自表示氢原子或阳离子。 该处理组合物可用于漂白卤化银彩色照相材料。 进一步公开了一种用于处理卤化银彩色照相材料的方法,其中使用上述包含式(I)化合物的三价铁(III)络盐作为漂白剂的方法组合物。