摘要:
An organic electroluminescent element contains a positive electrode, a negative electrode, and a thin organic layer arranged between the positive electrode and the negative electrode, wherein the thin organic layer comprises, as a luminescent material, a peropyrene compound represented by following Structural Formuala (1): wherein R1, R6, R8 and R13 may be the same as or different from one another and each represent a group represented by following Structural Formula (2); and R2, R3, R4, R5, R7, R9, R10, R11, R12 and R14 each represent hydrogen atom or a substituent: wherein R15 and R16 may be the same as or different from each other and each represent one of hydrogen atom, an alkyl group and an aryl group, where R15 and R16 may be bound to each other directly or indirectly.
摘要:
elementAn organic electroluminescent element of the present invention contains a positive electrode, a negative electrode, and a thin organic layer arranged between the positive electrode and the negative electrode, wherein the thin organic layer comprises, as a luminescent material, a peropyrene compound represented by following Structural wherein R1, R6, R8 and R13 may be the same as or different from one another and each represent a group represented by following Structural Formula (2); and R2, R3, R4, R5, R7, R9, R10, R11, R12 and R14 each represent hydrogen atom or a substituent: wherein R15 and R16 may be the same as or different from each other and each represent one of hydrogen atom, an alkyl group and an aryl group, where R15 and R16 may be bound to each other directly or indirectly.
摘要:
An object of the invention is to provide an organic EL element which uses an organometallic complex emitting light by phosphorescence and which represents excellent luminous efficiency, etc; or the like. The organic EL element of the invention includes the organometallic complex, where the organometallic complex includes a metal atom, and a tridentate ligand, where the tridentate ligand binds to the metal atom tridentately via two nitrogen atoms and a carbon atom, and the carbon atom is located between the two nitrogen atoms, and where the tridentate ligand has two azomethine bonds (—C═N—), and each nitrogen atom in the azomethine bonds coordinates to the metal atom. Preferably, in one aspect, the organometallic complex includes a monodentate ligand which binds to the metal atom monodentately, and in another aspect, the metal atom is Pt.
摘要:
The present invention aims to provide metal complexes, suited to luminescent materials or color transfer materials in organic EL elements or lighting systems. The metal complexes according to the present invention comprise a metal atom, a tridentate ligand, and one of monodentate ligands and halogen atoms, wherein the tridentate ligand binds to the metal atom at three sites through three nitrogen atoms of a first nitrogen atom, a second nitrogen atom and a third nitrogen atom, and the one of monodentate ligands and halogen atoms binds to the metal atom. The metal complexes are preferably expressed by General Formula (1) shown below.
摘要:
The object of the present invention is to provide an organic EL element which utilizes a novel condensed eight-ring aromatic compound, and has high color purity of red light and excellent light-emitting efficiency, light-emitting luminance and the like. The organic EL element of the present invention has, in between a positive electrode and a negative electrode, an organic thin-film layer including a light-emitting layer. The organic thin-film layer contains the condensed eight-ring aromatic compound which has a number of regions where substituents can be introduced is any of 14, 16 and 18, and the condensed eight-ring aromatic compound has a point-symmetrical skeleton.
摘要:
An object of the invention is to provide an organic EL element which uses an organometallic complex emitting light by phosphorescence and which represents excellent luminous efficiency, etc; or the like. The organic EL element of the invention includes the organometallic complex, where the organometallic complex includes a metal atom, and a tridentate ligand, where the tridentate ligand binds to the metal atom tridentately via two nitrogen atoms and a carbon atom, and the carbon atom is located between the two nitrogen atoms, and where the tridentate ligand has two azomethine bonds (—C═N—), and each nitrogen atom in the azomethine bonds coordinates to the metal atom. Preferably, in one aspect, the organometallic complex includes a monodentate ligand which binds to the metal atom monodentately, and in another aspect, the metal atom is Pt.
摘要:
An organic EL element utilizes a dinaphthopyrene compound that has a high color purity of green light, excellent light-emitting efficiency, light-emitting luminance. The organic EL element has, in between a positive electrode and a negative electrode, an organic thin-film layer including a light-emitting layer. The organic thin-film layer contains the dinaphthopyrene compound comprising a structure expressed by the following structural formula: where R1 through R18 may be the same or may be different, and represent hydrogen atoms or substituents. At least one of R1 through R18 preferably is selected from aryl groups, arylamino groups and diarylamino groups.
摘要翻译:有机EL元件使用具有高的绿色纯度的二萘并噻吩化合物,发光效率,发光亮度优异。 有机EL元件在正极和负极之间具有包含发光层的有机薄膜层。 有机薄膜层含有包含由下列结构式表示的结构的二萘并噻吩化合物:其中R 1至R 18可以相同或不同,并代表氢原子或取代基。 R 1至R 18中的至少一个优选选自芳基,芳基氨基和二芳基氨基。
摘要:
An organic EL element having excellent light-emitting efficiency, light-emitting luminance and color purity of blue light having an organic thin film layer interposed between a positive electrode and a negative electrode, and containing a 1,3,6,8-tetrasubstituted pyrene compound expressed by the following structural formula (1) as a light-emitting material; R1 to R4 may be identical or different, and represent substituent groups expressed by the formula (2), in which R5 to R12 may be identical or different, and represent a hydrogen atom or substituent group.
摘要翻译:一种具有优异的发光效率,发光亮度和蓝色光的色纯度的有机EL元件,其具有置于正极和负极之间的有机薄膜层,并含有1,3,6,8-四取代芘 由下述结构式(1)表示的化合物作为发光材料; R 1〜R 4可以相同或不同,表示由式(2)表示的取代基,其中R 5〜 R 12可以相同或不同,表示氢原子或取代基。
摘要:
An organic EL element, wherein a material comprising an arylaminozethrene compound represented by the following general formula is used as the material of a light emitting layer: wherein at least one of R1 to R14 is an arylamino group of the formula —NRR′ or —NR2 (R represents a substituted or unsubstituted aromatic group having a single aromatic ring or a condensed aromatic ring with up to five rings, and R′ represents H, halogen, —OH, —OCH3, or an alkyl group), and others represent H, halogen, —OH, —OCH3, alkyl, or an aforementioned substituted or unsubstituted aromatic group.
摘要:
The object of the present invention is to provide organic electroluminescent elements that are excellent in luminous efficiency, luminance, and color purity and exhibit long lifetime. The organic EL elements according to the present invention comprise an organic thin layer between a positive electrode and a negative electrode, and the organic thin layer comprises a 1,3,6,8-tetrasubstituted pyrene compound expressed by the formula (1) as the light emitting material, wherein R1 to R4 in the formula (1) may be identical or different each other, and are each a group expressed by the formula (2): wherein R5 to R9 in the formula (2) may be identical or different each other, are each a hydrogen atom or a substituted group; and at least one of R5 to R9 is a substituted or unsubstituted aryl group.