Disclosed herein is an anthracene-based organic dye represented by Formula (1): ##STR00001## wherein the substituents contained in Formula (1) are as defined herein. The anthracene-based organic dye may be used as a photosensitizer in dye-sensitized solar cells to effectively absorb light having a wavelength range which covers the entire visible light wavelength range and which even expands to a near infrared wavelength range and convert the absorbed light into photoelectric current.

Disclosed herein is an anthracene-based organic dye represented by Formula (1): ##STR00001## wherein the substituents contained in Formula (1) are as defined herein. The anthracene-based organic dye may be used as a photosensitizer in dye-sensitized solar cells to effectively absorb light having a wavelength range which covers the entire visible light wavelength range and which even expands to a near infrared wavelength range and convert the absorbed light into photoelectric current.

A display device includes: a light unit for emitting blue light; a color conversion panel on the light unit; a display panel between the light unit and the color conversion panel, the display panel comprising transistors; and column spacers between the transistors and the color conversion panel, the column spacers overlapping the transistors. The color conversion panel includes: a substrate; color conversion layers between the substrate and the display panel, the color conversion layers comprising semiconductor nanocrystals; a transmission layer between the substrate and the display panel; and polarization layers between the color conversion layers and the display panel and between the transmission layer and the display panel. The column spacers include a pigment that absorbs blue light.

Glucose-sensing luminescent dyes, polymers, and sensors are provided. Additionally, systems including the sensors and methods of using these sensors and systems are provided.

An organic light-emitting device includes an emission layer and an electron transport layer. The emission layer includes at least one compound represented one of Formula 1, Formula 2 and/or Formula 3. The electron transport layer includes at least one compound represented by Formula 4 and/or Formula 5. An organic light-emitting device including the emission layer and the electron transport layer has high emission efficiency and an improved lifetime.

##STR00001##

A method for producing a halogenated organic pigment comprising a halogenation step of halogenating an organic pigment with a halogenating agent, wherein the halogenating agent comprises one or more N-haloimide compounds selected from the group consisting of trichloroisocyanuric acid, a metal salt of dichloroisocyanuric acid, tribromoisocyanuric acid, and a metal salt of dibromoisocyanuric acid. According to the present invention, a method for producing a halogenated organic pigment which does not use high toxic raw materials, does not generate a large amount of unfavorable by-products such as hydrogen halide gas and succinimide, and is excellent in terms of safety and productivity can be provided.

A method for producing a halogenated organic pigment comprising a halogenation step of halogenating an organic pigment with a halogenating agent, wherein the halogenating agent comprises one or more N-haloimide compounds selected from the group consisting of trichloroisocyanuric acid, a metal salt of dichloroisocyanuric acid, tribromoisocyanuric acid, and a metal salt of dibromoisocyanuric acid. According to the present invention, a method for producing a halogenated organic pigment which does not use high toxic raw materials, does not generate a large amount of unfavorable by-products such as hydrogen halide gas and succinimide, and is excellent in terms of safety and productivity can be provided.

A fused aromatic derivative shown by the following formula (1): ##STR00001##
wherein R.sub.a and R.sub.b are independently a hydrogen atom or a substituent, p is an integer of 1 to 8 and q is an integer of 1 to 11, and when p and q are two or more, R.sub.as and R.sub.bs may be independently the same or different, and adjacent substituents R.sub.as may form a ring, L.sub.1 is a single bond or a substituted or unsubstituted divalent linking group, and Ar.sub.1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, provided that when L.sub.1 is a single bond and at least one of R.sub.as is not a hydrogen atom, Ar.sub.1 is not a triphenylenyl group, and provided that substituents of L.sub.1 and Ar.sub.1, and R.sub.a and R.sub.b contain no amino group.

A fused aromatic derivative shown by the following formula (1): ##STR00001##
wherein R.sub.a and R.sub.b are independently a hydrogen atom or a substituent, p is an integer of 1 to 8 and q is an integer of 1 to 11, and when p and q are two or more, R.sub.as and R.sub.bs may be independently the same or different, and adjacent substituents R.sub.as may form a ring, L.sub.1 is a single bond or a substituted or unsubstituted divalent linking group, and Ar.sub.1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, provided that when L.sub.1 is a single bond and at least one of R.sub.as is not a hydrogen atom, Ar.sub.1 is not a triphenylenyl group, and provided that substituents of L.sub.1 and Ar.sub.1, and R.sub.a and R.sub.b contain no amino group.

An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, the organic layer including: an emission layer, an electron transport region between the second electrode and the emission layer, and a mixed layer between the emission layer and the electron transport region, the mixed layer including a first material and a second material, the first material and the second material being selected from a pyrrolidine-based compound and a C.sub.10-C.sub.30 polycyclicaromatic hydrocarbon-based compound, and a triplet energy Eg.sub.T1 of at least one selected from the first material and the second material being 2.2 eV or greater.