Abstract: Provided is a positive electrode active material capable of achieving a lithium secondary battery having excellent initial charge and discharge efficiency, life characteristics, and thermal stability and a preparation method thereof, wherein the positive electrode active material of the present invention includes a core portion including a lithium transition metal oxide wherein a mole ratio of nickel (Ni) in total transition metals is 80 mol % or more, and a layer-structured shell portion formed on the core portion and including a lithium transition metal oxide in which a molar ratio of manganese (Mn) in the total transition metals is 30 mol % or more, and satisfies Equation 1: 0.005 ? Thickness ? of ? the ? shell ? portion ( ?m ) Average ? particle ? diameter ( D 50 ) ? of ? the ? positive ? electrode ? ? active ? material ( ?m ) ? 0.15 .

Abstract: An electronic device may include: a first sensor configured to measure a skin temperature of skin of a user; a second sensor configured to measure heat flux transmitted from the skin to a main body of the electronic device; a third sensor configured to measure a heart rate of the user; and a processor configured to estimate a rate of core body temperature change based on the skin temperature measured at a first time and a second time, the heat flux, the heart rate, and the skin temperature.

Abstract: An electronic device may include: a first temperature sensor configured to measure a first temperature when an object comes into contact with a contact surface of a main body of the electronic device; a second temperature sensor spaced apart from the first temperature sensor in a direction opposite the contact surface and configured to measure a second temperature; and a processor configured to detect a temperature change due to heat generation inside the main body, and estimate skin surface temperature based on the first temperature, the second temperature, and the temperature change.

Abstract: The present invention relates to a peptide with anti-inflammatory activity, wherein the peptide comprises any one amino acid sequence of SEQ ID NO: 1 to SEQ ID NO: 161, the peptide has above 80% homology of amino acid sequence with above-mentioned sequences, or the peptide is the fragment of the above-mentioned peptides. The present invention also relates to an inflammatory composition comprising the above mentioned peptides. According to the present invention, a peptide that has at least one amino acid sequence of SEQ ID NO: 1 to SEQ ID NO: 161 has outstanding efficacy in both suppressing inflammation and in prophylactic means. Therefore, the composition comprising the peptides of this invention can be used as anti-inflammatory pharmaceutical compositions or as cosmetic compositions, in turn, treating and preventing a variety of different types of inflammatory diseases.

Abstract: An electronic device may include: a first temperature sensor configured to measure a first temperature of a skin surface when a user comes into contact with a main body of the electronic device; a first heating element spaced apart from the first temperature sensor by a first predetermined distance; a second temperature sensor spaced apart from the first heating element by a second predetermined distance and configured to measure a second temperature inside the main body; and a processor configured to: estimate heat flux based on the first temperature and the second temperature; estimate a blood perfusion rate of the user based on a temperature of the first heating element and the first temperature, and estimate a core body temperature of a user based on the first temperature, the estimated heat flux, and the estimated blood perfusion rate.

Abstract: The present disclosure relates to a plurality of host materials and organic electroluminescent devices comprising the same. The present disclosure may provide a plurality of host materials having a composition favorable to thermal denaturation due to a low deposition temperature, while improving hole properties and electronic properties of HOMO and LUMO, by comprising separate compounds represented by formulas 1 and 2 into a light-emitting layer. By comprising the plurality of host materials of the present disclosure, it is possible to provide an organic electroluminescent device having a lower driving voltage, higher luminous efficiency and/or longer lifetime.

Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.

Abstract: Provided is a display device. The display device includes a first base portion, a second base portion facing the first base portion, a light emitting layer disposed on one surface of the first base portion and emitting first light, a first wavelength conversion pattern disposed on the light emitting layer and converting the first light into second light having a different wavelength from the first light, a first color filter overlapping the first wavelength conversion pattern on one surface of the second base portion and spaced apart from the first wavelength conversion pattern, and an air layer interposed between the first wavelength conversion pattern and the first color filter.

Abstract: A combination of a holder and a selfie stick of the present invention includes a case main body; an attachable disk attached to a back surface of the case main body; a case main body supporter formed of an attachable disk coupling part rotatably coupled to the attachable disk, and an extending part configured to extend from the attachable disk coupling part; a folding part hinge-coupled to the case main body supporter to be folded to be spaced apart from the case main body supporter; a folding part supporter elongated in a longitudinal direction of the folding part to support the folding part and serve as a holder and a handle; and a first extendable stick and a second extendable stick configured to space the folding part supporter apart from the folding part to serve as selfie sticks with the folding part and the folding part supporter.

Abstract: A combination of a holder and a selfie stick of the present invention includes a case main body; an attachable disk attached to a back surface of the case main body; a case main body supporter formed of an attachable disk coupling part rotatably coupled to the attachable disk, and an extending part configured to extend from the attachable disk coupling part; a folding part hinge-coupled to the case main body supporter to be folded to be spaced apart from the case main body supporter; a folding part supporter elongated in a longitudinal direction of the folding part to support the folding part and serve as a holder and a handle; and a first extendable stick and a second extendable stick configured to space the folding part supporter apart from the folding part to serve as selfie sticks with the folding part and the folding part supporter.

Abstract: A noise reducing wall system is provided. The noise reducing wall system includes first and second board layers facing in parallel with each other along a longitudinal direction thereof, a heat insulation member surrounded by the first and second board layers, and a stud connection structure that fastens the first and second board layers using a stud bolt passing through the heat insulation member to connect the first board layer and the second board layer. The stud bolt connects the first and second board layers in a thickness direction and has a bent portion extending in the longitudinal direction and disposed at an intermediate point in the thickness direction.

Abstract: A noise reducing wall system is provided. The noise reducing wall system includes first and second board layers facing in parallel with each other along a longitudinal direction thereof, a heat insulation member surrounded by the first and second board layers, and a stud connection structure that fastens the first and second board layers using a stud bolt passing through the heat insulation member to connect the first board layer and the second board layer. The stud bolt connects the first and second board layers in a thickness direction and has a bent portion extending in the longitudinal direction and disposed at an intermediate point in the thickness direction.

Abstract: The present invention relates to a polarizing complex with functional layers, in particular a polarizing complex having a polarizing plate with lower retardation value and functional layers laminated thereon. Specifically, the present invention discloses a polarizing plate with a protecting layer of polycarbonate having lower retardation value and a polarizing complex including the polarizing plate and suitable layer(s) laminated thereon considering the use of the polarizing complex. The polarizing plate of the present invention comprises a polarizing film made of poly vinyl alcohol; a protecting layer made of poly carbonate; and functional layers, and characterized in that the poly carbonate has retardation value in the range of 5 to 250 nm.

Abstract: The present invention relates to a polarizing complex with functional layers, in particular a polarizing complex having a polarizing plate with lower retardation value and functional layers laminated thereon. Specifically, the present invention discloses a polarizing plate with a protecting layer of polycarbonate having lower retardation value and a polarizing complex including the polarizing plate and suitable layer(s) laminated thereon considering the use of the polarizing complex. The polarizing plate of the present invention comprises a polarizing film made of poly vinyl alcohol; a protecting layer made of poly carbonate; and functional layers, and characterized in that the poly carbonate has retardation value in the range of 5 to 250 nm.