摘要:
In an organic electroluminescence device including a hole injecting layer, an emitting layer, an electron transporting layer and a cathode, the hole injecting layer contains poly(alkylene dioxythiophene) and at least one type of fluorine-containing colloid-forming polymer acids. The electron transporting layer contains a nitrogen-containing heterocycle derivative represented by a formula (1) below. HAr-L-Ar1—Ar2 (1) (In the formula: HAr represents a substituted or unsubstituted nitrogen-containing heterocycle group having 3 to 40 carbon atoms; L represents, a single bond, a substituted or unsubstituted arylene group having 6 to 60 carbon atoms, a substituted or unsubstituted heteroarylene group having 3 to 60 carbon atoms, or a substituted or unsubstituted fluorenylene group; Ar1 represents a substituted or unsubstituted divalent aromatic hydrocarbon group having 6 to 60 carbon atoms; and Ar2 represents a substituted or unsubstituted aryl group having 3 to 60 carbon atoms.)
摘要:
There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1-Ch-Ar2 (1) Ch1-L-Ch2 (2) Ar3-(L1)a-Ch3-(L2)b-Ar4 (3) Ar5-Ch4-(Ar7)n-L3-(Ar8)m-Ch5-Ar6 (4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.
摘要:
An organic electroluminescence element and manufacturing method thereof including an anode, semiconductor layer, organic light-emitting medium, and a cathode, wherein an organic light-emitting medium is located between the first electrode and the semiconductor layer including the non-monocrystal material and the second electrode is electrically connected to the edge section of the semiconductor layer when either one of the anode or cathode is designated as first electrode and the other electrode as second electrode. Because the first electrode and the second electrode are configured not to be opposite to each other, various electrode materials can be used, and the light-emitting area can be increased, and therefore, the organic EL element with the luminous energy emitted to the outside and a manufacturing method thereof can efficiently obtain such an organic EL element.
摘要:
A sintered article is fabricated which contains one or more of indium oxide, zinc oxide, and tin oxide as a component thereof and contains any one or more types of metal out of hafnium oxide, tantalum oxide, lanthanide oxide, and bismuth oxide. A backing plate is attached to this sintered article to constitute a sputtering target. This sputtering target is used to fabricate a conductive film on a predetermined substrate by sputtering. This conductive film achieves a large work function while maintaining as much transparency as heretofore. This conductive film can be used to achieve an EL device or the like of improved hole injection efficiency.
摘要:
The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole transporting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces a driving voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime.
摘要:
Provided are a novel arylamine compound of a specific structure having at least one spiro bond; an organic EL device in which an organic compound layer comprising one layer or plural layers including at least a luminescent layer is interposed between a cathode and an anode, wherein at least one of the above organic compound layers contains the arylamine derivative described above; an organic EL device in which an organic compound layer comprising one layer or plural layers including at least a luminescent layer is interposed between a cathode and an anode, wherein at least one of the above organic compound layers contains the arylamine derivative described above and a luminescent material; and an organic EL device in which an organic compound layer comprising one layer or plural layers including at least a luminescent layer is interposed between a cathode and an anode, wherein the above organic compound layer is prepared by laminating a hole transporting layer containing the arylamine derivative described above and a luminescent layer comprising a phosphorescence-emitting metal complex and a host material. Provided are an organic EL device which has a high luminance, a high heat resistance and a long life and which is excellent in a hole transporting property and has a high luminous efficiency and a novel arylamine compound which realizes the same.
摘要:
A fluorene-based derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is sandwiched between a cathode and an anode, wherein at least one layer of the organic thin film layers described above comprises the above fluorene-based derivative having a specific structure in the form of a single component or a mixed component. The organic electroluminescence device has a high luminous efficiency, and the fluorene-based derivative materializes the same.
摘要:
There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1-Ch-Ar2 (1) Ch1-L-Ch2 (2) Ar3-(L1)a-Ch3-(L2)b-Ar4 (3) Ar5-Ch4-(Ar7)n-L3-(Ar8)m-Ch5-Ar6 (4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.
摘要:
The present invention relates to an organic electroluminescence element and the manufacturing method thereof comprising an anode, semiconductor layer, organic light-emitting medium, and a cathode, an organic light-emitting medium is located between the first electrode and the semiconductor layer comprising the non-monocrystal material and the second electrode is electrically connected to the edge section of the semiconductor layer when either one of the anode or cathode is designated to the first electrode and the other electrode to the second electrode. Because the first electrode and the second electrode are configured in such a manner not to be opposite to each other in this way, various electrode materials are able to be used and the light-emitting area is able to be increased, and therefore, the organic EL element with the luminous energy taken out to the outside and a manufacturing method that can efficiently obtain such organic EL element are able to be provided.
摘要:
Materials for organic electroluminescence devices represented by following general formula [1]: wherein A represents a substituted or unsubstituted arylene group having 22 to 60 carbon atoms, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, when the arylene group represented by A has 26 or less carbon atoms, a+b+c+d>0 and the arylene group does not contain two or more anthracene nucleus; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.
摘要翻译:由以下通式[1]表示的有机电致发光元件用材料:其中A表示取代或未取代的碳原子数22〜60的亚芳基,X 1〜X 4各自独立地 独立地表示取代或未取代的具有6至30个碳原子的亚芳基,X 1和X 2彼此可以彼此键合,X 3, 和X 4彼此键合,Y 1至Y 4各自独立地表示由通式[2]表示的有机基团, a至d各自表示0〜2的整数,当由A表示的亚芳基具有26个或更少的碳原子时,a + b + c + d> 0,并且亚芳基不含有两个或更多个蒽核; 通式[2]表示:其中R 1至R 4各自独立地表示氢原子,取代或未取代的碳原子数1〜20的烷基,取代或未取代的 具有6至20个碳原子的芳基,氰基或通过R 1和R 2或R 3的连接形成三键和R 3 R 4,Z表示取代或未取代的碳原子数6〜20的芳基,n表示0或1。