14 results about "Organic devices" patented technology

To provide a compound useful as a material for an organic device such as an organic electroluminescent element.SOLUTION: Polycyclic aromatic compounds having a structure consisting of one or two or more structural unit (s) represented by the formula (1); (Ra1 to Ra3, Rb1 to Rb4, Rc1 to Rc4 are independently H or substituents; provided that at least one of Rc1 to Rc4 is a group represented by the formula (1-1); Y1 is B; and are independently> N-RNX; RNX is substituted / unsubstituted aryl; at least one of the aryl ring and the heteroaryl ring in the above structure may be fused with at least one cycloalkane, and H in the above structure may be replaced by D. X1 X2. ) SELECTED DRAWING: None

This invention provides a polycyclic aromatic compound, a material for organic devices, an organic electroluminescent element, a display device, and a lighting device. The polycyclic aromatic compound has a structure comprising one or more structural units represented by formula (1); typically, at least one of ring A, ring B, and ring C is a ring represented by formula (Het), and the others are substituted aryl rings, Y... 1 For B, X 1 and X 2 For >N-R, X 3 and X 4 For >O, >N-R, or >C(-Me) 2 R is a substituted or unsubstituted aryl group, and any two or three consecutive Zs are related to Y. 1 and X 1 and / or X 2 Directly bonded carbon atoms, with other Z atoms being N or C-R. Z R Z The aryl ring or heteroaryl ring in the structure may be condensed from at least one cycloalkane, and may be hydrogen or a substituent.

Providing novel compounds as materials for organic devices such as organic electroluminescent devices. [Solution] A polycyclic aromatic compound represented by the following formula (1); TIFF2026071228000175.tif70170 In the formula, rings A and C are aryl rings having substituents such as halogens, and rings B and D are aryl rings, and at least one hydrogen atom in these rings may be substituted.

This invention provides a polycyclic aromatic compound, an organic electroluminescent element, a display device, a lighting device, a wavelength conversion material, an organic photodiode, and a solar cell material that can be effectively used as a material for organic EL elements and other organic devices. The polycyclic aromatic compound represented by formula (I) enables the manufacture of high-efficiency and long-life organic EL elements; rings A, B, D, E, and F are aryl or heteroaryl rings, at least one of which has a cyano group as a substituent, and Z... 0 Let C(-H) = , Y be B, X 1 ~X 4 For >N-R NX >O or >S, R NX For unsubstituted aryl, where X 1 and X 2 It is R NX The N-R of the basis represented by equation (Ar) NX , or X 1 and X 3 or X 2 and X 4 They are R NX N-R of mesitylene NX G represents a substituted or unsubstituted aryl group or a substituted or unsubstituted alkyl group, etc.

The present application relates to a polycyclic aromatic compound represented by formula (1) or a multimer of a polycyclic aromatic compound having a plurality of structures represented by formula (1) below, a compound, a crosslinked body, a material, and a device containing the same. The compound or the multimer of the present application is effective as a material for organic devices such as an organic EL element.

An organic device includes a reflective film arranged on a substrate, a plurality of lower electrodes arranged above the reflective film, an organic function film configured to cover the plurality of lower electrodes, and an upper electrode arranged on the organic function film. A potential difference between the upper electrode and the reflective film is lower than a threshold voltage at which the organic function film operates.

Provided is an organic thin film that uses an organic material with a high electron affinity as a hole injection material and can improve the drive stability of organic devices. An organic thin film that is hole-injectable and contains two or more organic acceptor materials different in electron affinity comprises: a first layer containing an organic acceptor material relatively low in electron affinity; and a second layer stacked on the first layer and containing an organic acceptor material relatively high in electron affinity, wherein the organic acceptor material relatively low in electron affinity is lower in electron affinity than the organic acceptor material relatively high in electron affinity, and the organic thin film is configured to be used with the first layer located on an anode side.

The present disclosure relates to a novel organic compound and an organic EL device including the organic compound. The compound according to the present disclosure may be used in an organic layer of an organic EL device, more specifically, in a light emitting layer, a light emitting auxiliary layer, an electron transport auxiliary layer, or an electron transporting layer and may improve driving voltage, luminous efficiency, and lifespan characteristics of the organic EL device.

The present invention relates to a negative radiation-sensitive composition, a method for manufacturing a light-emitting device, a cured film, and an organic EL device. The negative radiation-sensitive composition has sufficient resolution and can obtain a cured film having sufficient chemical resistance and excellent adhesion even when heated at a low temperature. The present invention also relates to a method for manufacturing a light-emitting device, a cured film, and an organic EL device. The light-emitting device comprises a substrate, a light-emitting element on the substrate, a sealing layer on the element, and a hardened resin part which is directly or indirectly positioned on the sealing layer and is provided with at least one hardened resin layer. The manufacturing method comprises the following steps in sequence: forming the light-emitting element and the sealing layer on the element on the substrate; forming a coating film by directly or indirectly applying a composition on the sealant layer; irradiating at least a portion of the coating film with radiation; carrying out alkali development on the coating film irradiated by the radioactive rays; when heated at 100 DEG C or less, the composition contains: an alkali-soluble resin (A) containing a structural unit having an acidic group and a structural unit having at least one group selected from the group consisting of an oxeteropropyl group and an oxeterobutyl group; a polyfunctional radical polymerizable compound (B); and a photo-radical polymerization initiator (C).

A vapor deposition mask according to the present disclosure includes a mask substrate that contains silicon, a mask layer that includes a first surface and a second surface that is located opposite the first surface and that faces the mask substrate, and a through-hole that extends through the mask layer. The mask substrate includes a substrate opening. The through-hole is located in the substrate opening in a plan view. The mask layer includes a mask body layer that forms the first surface and a mask intermediate layer that is located between the mask body layer and the mask substrate. The mask body layer contains a resin material.

To provide a mask which can make uniform the thickness of a vapor deposition material attaching to a substrate.SOLUTION: A mask 20 includes a first layer including at least one first opening, and a metal layer 40 including a plurality of second openings 41 overlapped with the first opening in a plane view. The metal layer 40 includes an effective region formed with a plurality of second openings 41, and a peripheral region surrounding the effective region. The peripheral region has a section 48A surrounded by a recess or a lost part 43.SELECTED DRAWING: Figure 4

The invention provides a polycyclic aromatic compound, a material for organic devices, an organic electroluminescent element, a display device, and a lighting device. This polycyclic aromatic compound has one or more structures including a structural unit represented by formula (1). In this polycyclic aromatic compound, an indolocarbazole ring is condensed on a basic skeleton that contains Y1 (for example, boron) and nitrogen (N) in formula (1), and at least one of RNY1 and RNY2 has a group represented by formula (a).