Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.

Abstract: A display device is provided. The display device includes a substrate; a light-emitting layer providing first light having a first wavelength; and a light converter disposed on the light-emitting layer, wherein the plurality of pixels include first, second, third, and fourth pixels which includes first and second subpixels, the light converter includes a first wavelength conversion layer and a second wavelength conversion layer disposed in the first pixel and the second pixel, respectively, a light-transmitting layer disposed in the third pixel, and a third wavelength conversion layer disposed in the first subpixel, the first wavelength conversion layer and the second wave length conversion layer include a first wavelength conversion material and a second wavelength conversion material which convert the first light into light having different wavelength, respectively, the third wavelength conversion layer includes the first and second wavelength conversion materials.

Abstract: Disclosed are indolocarbazole polycyclic aromatic derivatives that can be employed in various organic layers of organic electroluminescent devices. The indolocarbazole derivatives have a boron-containing structure. Also disclosed are organic electroluminescent devices including the indolocarbazole derivatives. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.

Abstract: The present disclosure relates to a super absorbent polymer exhibiting improved rewetting property and excellent absorption property, and a preparation method of the same. This preparation method of a super absorbent polymer includes the steps of: preparing a base resin in which an acrylic acid-based monomer having at least partially neutralized acidic groups and an internal cross-linking agent are cross-linked and polymerized; and heating the base resin in the presence of a surface cross-linking agent to carry out surface modification, wherein the internal cross-linking agent includes a poly(meth)acrylate of polyols-based first internal cross-linking agent and a polyglycidyl ether of polyols-based second internal cross-linking agent in a specific weight ratio.

Abstract: A display device includes a display unit, a driving voltage supply unit which supplies a driving voltage to the display unit, a ripple detection circuit which detects the number of times a ripple of the driving voltage is generated, and a controller which controls the driving voltage supply unit so as to change the driving voltage based on the number of times the ripple is generated.

Abstract: A thermoelectric module including at least a first and a second thermoelectric element comprising a thermoelectric semiconductor; an electrode connecting the first and second thermoelectric elements; and at least a first and a second joining layer, the first joining layer positioned between the first thermoelectric element and the electrode, and the second joining layer positioned between the second thermoelectric element and the electrode; and at least a first and a second barrier layer including an alloy including Cu, Mo and Ti, the first barrier layer positioned between the first thermoelectric element and the first joining layer, and the second barrier layer positioned between the second thermoelectric element and the second joining layer.

Abstract: The super absorbent polymer according to the present invention has reduced 3-hour saline solution re-wet while having a high absorption rate and absorption against pulp, and thus can be used for hygienic materials such as diapers, thereby exhibiting excellent performance.

Abstract: The present invention relates to a superabsorbent polymer composition. Since the superabsorbent polymer composition comprises aluminosilicate particles capable of effectively adsorbing and decreasing compounds inducing odor in sanitary products such as a diaper, etc. without deterioration of the properties of superabsorbent polymer such as centrifugal retention capacity, absorbency under load, and penetration, and does not induce caking, it can be usefully used in sanitary products, etc.

Abstract: A liquid crystal display device includes a first substrate, a first alignment film disposed on the first substrate, a second substrate, and a liquid crystal layer disposed between the first alignment film and the second substrate. The first substrate has a surface curved in a first direction and the second substrate has a surface curved in the first direction. The first alignment film includes a polymerization initiator and a polymer chain that is a copolymer of a dianhydride-based compound and a diamine-based compound. The polymer chain includes a main chain including a repeating unit including an imide group, a first side chain, including a vertical align group, bonded to the main chain, and a second side chain bonded to the main chain. The functional group includes a biphenyl group or a terphenyl group.

Abstract: Provided are a novel D-psicose 3-epimerase and a method for preparing psicose using the same.

Abstract: A liquid crystal display including a first substrate; a second substrate on the first substrate; a liquid crystal layer between the first substrate and the second substrate; a first alignment layer between the first substrate and the liquid crystal layer and including a first polymer; a second alignment layer between the second substrate and the liquid crystal layer and including a second polymer; and protrusions between the first alignment layer and the liquid crystal layer, wherein at least one of the protrusions includes an alignment polymer polymerized with a reactive mesogen, the first polymer includes a first main chain and a plurality of first side chains connected to the first main chain, and at least one of the plurality of first side chains includes a photoreactive group and a photoreactive derivative, and wherein the photoreactive group has an absorbance that is greater than that of the reactive mesogen.

Abstract: Disclosed are a superabsorbent polymer having improved anti-caking properties and a method of preparing the same, and the superabsorbent polymer having improved anti-caking properties includes a superabsorbent polymer, microparticles, and water, and to improve anti-caking properties of the superabsorbent polymer, the temperature of the superabsorbent polymer or water upon addition of water or the aging time upon stirring is adjusted, thereby preventing caking of the particles.

Abstract: A method of changing a user interface (UI), which is used for diagnosis of a target object via a medical device, based on user motion information. The method including obtaining motion information regarding a user; changing the UI based on the obtained motion information regarding the user; and displaying the changed UI.

Abstract: Provided are a composition for preparing D-psicose comprising a microorganism of the genus Kaistia, and a method for preparing D-psicose using the same.

Abstract: A touch member includes a first touch electrode including a plurality of first sub-detection electrode patterns. The touch member includes a second touch electrode including a plurality of second sub-detection electrode. An electrode pattern connecting portion electrically connects adjacent second sub-detection electrode patterns. An island electrode pattern is disposed in the second touch electrode. A bridge pattern electrically connects a first sub-detection electrode of the first sub-detection electrode patterns to the island electrode pattern. The bridge pattern is formed of a first conductive layer. The first sub-detection electrode patterns, the electrode pattern connecting portion, the second sub-detection electrode patterns, and the island electrode pattern are formed of a second conductive layer. An insulating pattern is disposed between the bridge pattern and a part of the second conductive layer overlapping with the bridge pattern.

Abstract: A super absorbent polymer according to the present invention has excellent dryness while maintaining excellent absorption performance, and thus is preferably used for hygienic materials such as diapers, and can exhibit excellent performance.

Abstract: The present invention relates to a beta-galactosidase mutant having high transglycosylation activity and containing a C-terminal deletion, and the use thereof and more. More specifically, the present invention relates to a beta-galactosidase mutant having a C-terminal deletion, a gene encoding the same, a recombinant vector containing the gene, a recombinant microorganism transformed with the gene or the recombinant vector, and a method for producing the beta-galactosidase mutant using the recombinant microorganism. Using the high transglycosylation activity of the beta-galactosidase mutant containing the C-terminal deletion according to the present invention, galactooligosaccharide can be efficiently produced in large amounts.

Abstract: A liquid crystal display includes: a first insulation substrate; a second insulation substrate facing the first insulation substrate; a liquid crystal layer between the first insulation substrate and the second insulation substrate; a pixel electrode on the first insulation substrate; a first alignment layer on the pixel electrode; a cross-linking portion where separation type of reactive mesogens in a surface of the first alignment layer are coupled with one another; a common electrode between the liquid crystal layer and the second insulation substrate; and a second alignment layer between the liquid crystal layer and the common electrode; and wherein liquid crystal molecules to be adjacent to the first alignment layer and liquid crystal molecules to be adjacent to the second alignment layer have different pre-tilt angles, and wherein at least one of the separation type of reactive mesogens is coupled with an ammonium-based material.

Abstract: A liquid crystal display including: a first substrate; a second substrate configured to overlap the first substrate and to be separate from the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including a liquid crystal molecule; a first alignment layer disposed between the first substrate and the liquid crystal layer; a second alignment layer disposed between the second substrate and the liquid crystal layer; and a plurality of protrusions disposed between the first alignment layer and the liquid crystal layer, wherein at least one protrusion of the plurality of protrusions includes an orientation polymer including a polymerized reactive mesogen, the first alignment layer includes a photo-reactive group, and the liquid crystal layer includes a photoreaction initiator.

Abstract: A memory system includes a printed circuit board, at least one memory chip mounted on the printed circuit board, and a memory controller arranged on the printed circuit board and connected to 2N (where N is an integer of 2 or more) channels, the memory controller configured to perform a write operation and a read operation on the at least one memory chip. In the printed circuit board, a first subset of the channels corresponds to a first channel group configured in a point to point topology, and a remaining subset of the channels corresponds to a second channel group configured in a daisy chain topology.