C09B3/14

Aromatic amine derivative and organic electroluminescent device using the same

Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device.

PHOTOSENSITIVE RESIN COMPOSITION, CURED FILM, DISPLAY DEVICE, AND PATTERN FORMING METHOD
20190094692 · 2019-03-28 ·

A photosensitive resin composition which gives a cured film having high light shielding properties and enables stable curing by baking at low temperature, a cured film obtained by curing the composition, a display device provided with the cured film, and a pattern forming method using the composition. A light shielding film-forming process which does not impart thermal damage to a light-emitting element with respect to a substrate provided with a light-emitting element. In a photosensitive resin composition including a binder resin, a photopolymerizable compound, a photopolymerization initiator, a coloring agent, and a thermosetting compound, a carbon black and/or an inorganic black pigment, and an organic pigment are used in combination as the coloring agent, and a photosensitive resin composition in which T2/T1 is 0.80 or more is used.

PHOTOSENSITIVE RESIN COMPOSITION, CURED FILM, DISPLAY DEVICE, AND PATTERN FORMING METHOD
20190094692 · 2019-03-28 ·

A photosensitive resin composition which gives a cured film having high light shielding properties and enables stable curing by baking at low temperature, a cured film obtained by curing the composition, a display device provided with the cured film, and a pattern forming method using the composition. A light shielding film-forming process which does not impart thermal damage to a light-emitting element with respect to a substrate provided with a light-emitting element. In a photosensitive resin composition including a binder resin, a photopolymerizable compound, a photopolymerization initiator, a coloring agent, and a thermosetting compound, a carbon black and/or an inorganic black pigment, and an organic pigment are used in combination as the coloring agent, and a photosensitive resin composition in which T2/T1 is 0.80 or more is used.

ULTRA BRIGHT DIMERIC OR POLYMERIC DYES WITH SPACING LINKER GROUPS
20240248094 · 2024-07-25 ·

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I):

##STR00001##

or a stercoisomer, tantomer or salt thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, L.sup.1, L.sup.2, L.sup.3, L.sup.4, M, m and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.

ULTRA BRIGHT DIMERIC OR POLYMERIC DYES WITH SPACING LINKER GROUPS
20240248094 · 2024-07-25 ·

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I):

##STR00001##

or a stercoisomer, tantomer or salt thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, L.sup.1, L.sup.2, L.sup.3, L.sup.4, M, m and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.

ULTRA BRIGHT DIMERIC OR POLYMERIC DYES WITH SPACING LINKER GROUPS
20240255514 · 2024-08-01 ·

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I):

##STR00001##

or a stereoisomer, tautomer or salt thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, L.sup.1, L.sup.2, L.sup.3, L.sup.4, M, m and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.

ULTRA BRIGHT DIMERIC OR POLYMERIC DYES WITH SPACING LINKER GROUPS
20240255514 · 2024-08-01 ·

Compounds useful as fluorescent or colored dyes are disclosed. The compounds have the following structure (I):

##STR00001##

or a stereoisomer, tautomer or salt thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, L.sup.1, L.sup.2, L.sup.3, L.sup.4, M, m and n are as defined herein. Methods associated with preparation and use of such compounds are also provided.

COLOR CONVERSION SHEET, LIGHT SOURCE UNIT INCLUDING THE SAME, DISPLAY, AND LIGHTING APPARATUS
20190048255 · 2019-02-14 · ·

A color conversion sheet converts incident light into light with a wavelength longer than that of the incident light. The color conversion sheet includes the following layer (A) and layer (B): the layer (A): a layer containing an organic light-emitting material (a) that exhibits light emission with a peak wavelength observed in a region of 500 nm or more and 580 nm or less by using excitation light in a wavelength range of 400 nm or more and 500 nm or less and a binder resin; and the layer (B): a layer containing an organic light-emitting material (b) that exhibits light emission with a peak wavelength observed in a region of 580 nm or more and 750 nm or less by being excited by either or both of excitation light in a wavelength range of 400 nm or more and 500 nm or less and light emission from the organic light-emitting material (a) and a binder resin.

COLOR CONVERSION SHEET, LIGHT SOURCE UNIT INCLUDING THE SAME, DISPLAY, AND LIGHTING APPARATUS
20190048255 · 2019-02-14 · ·

A color conversion sheet converts incident light into light with a wavelength longer than that of the incident light. The color conversion sheet includes the following layer (A) and layer (B): the layer (A): a layer containing an organic light-emitting material (a) that exhibits light emission with a peak wavelength observed in a region of 500 nm or more and 580 nm or less by using excitation light in a wavelength range of 400 nm or more and 500 nm or less and a binder resin; and the layer (B): a layer containing an organic light-emitting material (b) that exhibits light emission with a peak wavelength observed in a region of 580 nm or more and 750 nm or less by being excited by either or both of excitation light in a wavelength range of 400 nm or more and 500 nm or less and light emission from the organic light-emitting material (a) and a binder resin.

ELECTRON ACCEPTORS BASED ON ALPHA-POSITION SUBSTITUTED PDI FOR OPV SOLAR CELLS

The present disclosure relates to ?-substituted perylene diimide (PDI) derivatives as small molecular and polymerized electron acceptors in organic photovoltaic cells.