Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.

Abstract: A method of treating a patient in need thereof includes administering a therapeutically effective amount of 4-deoxy-L-erythro-5-hexoseulose uronic acid (DEH) to serve or function as a nerve growth factor (NGF) activity promoter, preferably to treat and/or prevent a neurodegenerative disease, such as PolyQ disease, Parkinson's disease, Parkinson's syndrome, spinocerebellar degeneration, spastic paraplegia, amyotrophic lateral sclerosis, Alzheimer's disease, dementia with Lewy bodies or corticobasal degeneration.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.

Abstract: An organic electroluminescence device comprising an amine compound is represented by Formula 1 as a hole transport material. where Ar1, Ar2, Ar3, and L1 are as defined in the specification.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.

Abstract: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1.

Abstract: An organic electroluminescence device and an amine compound for an organic electroluminescence device are provided. The amine compound according to an embodiment of the present disclosure is represented by Formula 1.

Abstract: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1.

Abstract: An organic electroluminescence device comprising an amine compound is represented by Formula 1 as a hole transport material. where Ar1, Ar2, Ar3, and L1 are as defined in the specification.

Abstract: A novel and improved material for an organic electroluminescent device includes at least one monoamine compound represented by any one of the following Formulae I to III: In Formulae I to III, Ar is a substituted or unsubstituted aryl group having 6 to 50 carbon atoms for forming a ring. The organic electroluminescent device including the material may have improved emission life.

Abstract: Alginate lyase activity is exhibited by the amino acid sequences (polypeptides) shown in SEQ ID No:1 and SEQ ID No:2. These polypeptides and their homology equivalents are used to produce 4-deoxy-L-erythro-5-hexoseulose uronic acid (DEH) by contacting the polypeptide(s) with an alginate containing a uronic acid moiety and holding the mixture of the alginate and the polypeptide(s) at a temperature at which alginate lyase activity is exhibited.

Abstract: An organic electroluminescence device comprising an amine compound is represented by Formula 1 as a hole transport material. where Ar1, Ar2, Ar3, and L1 are as defined in the specification.

Abstract: An organic electroluminescent device includes a monoamine derivative represented by Formula 1: In Formula 1, Ar1 may be represented by Formula 2; Ar2 may be a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, wherein the substituent of Ar2 is an unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring; Ar1 and Ar2 may be different from each other; m may be an integer from 0 to 4; and R1 may be a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, and when m is 2 or more, a plurality of R1 may combine to form a ring:

Abstract: Provided are an amine compound and an organic electroluminescence device including the same. The amine compound according to an embodiment of the inventive concept is represented by Formula 1 below.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.

Abstract: A monoamine derivative represented by Formula 1 and an organic electroluminescent device including the same: In Formula 1, Ar1 may be represented by Formula 2, Ar2 may be a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, Ar1 and Ar2 may be different from each other, m may be an integer from 0 to 5, R1 may be a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, and when m is 2 or more, a plurality of R1 may combine to form a ring. In Formula 2, n may be an integer from 0 to 3; when n is 0, X may be a substituted or unsubstituted aryl group obtained by condensing 2 to 5 benzene rings, and when n is an integer from 1 to 3, X may be naphthyl.

Abstract: A polycyclic compound according to an embodiment of the inventive concept is represented by the following Formula 1: In Formula 1, Ar1 and Ar2 are each independently substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, where Ar1 and Ar2 may combine with each other to form a ring, and A is represented by the following Formula 2-1 or 2-2:

Abstract: A novel and improved material for an organic electroluminescent device includes at least one monoamine compound represented by any one of the following Formulae I to III: In Formulae I to III, Ar is a substituted or unsubstituted aryl group having 6 to 50 carbon atoms for forming a ring. The organic electroluminescent device including the material may have improved emission life.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.