Abstract: A circularly polarizing plate capable of improving the tone of reflective color sense by using a retardation film having flat dispersion characteristics; and an OLED device comprising the circularly polarizing plate.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

Abstract: The present invention relates to a current sensing device comprising: a bus bar including a plurality of low-resistance metal portions separated from each other with a resistance portion therebetween; a printed circuit board arranged below the bus bar; a plurality of fixing pins which are joined to the metal portions of the bus bar to fix the bus bar on the printed circuit board and provide a current path between the metal portions and the printed circuit board; and at least one Hall sensor module. At least a portion of the Hall sensor module is inserted into a sensor hole formed in at least one of the low-resistance metal portions of the bus bar.

Abstract: A semiconductor design optimization system that includes: a data base configured to store design data, a training data preprocessing unit configured to preprocess the design data and generate training data, a data learning unit configured to generate a physical property prediction model by training using the training data, a physical property prediction unit configured to generate predicted physical property data including information associated with predicted physical property values for each region of a semiconductor device to be fabricated, wherein the physical property prediction unit is configured to input, into the physical property prediction model, input data including information associated with design drawings of the semiconductor device to be fabricated, and a layout generator configured generate a design layout optimized to distribute the predicted physical property values for each region of the semiconductor device to be fabricated by modifying the design drawings based on the predicted physical

Abstract: A landing guide system using an energy analysis of a UAM air vehicle is disclosed. A UAM air vehicle consists of a UAM air vehicle landing guide device for guiding a landing by analyzing a movement of the UAM air vehicle in a descent and approach section of the UAM air vehicle to a vertiport, and a remote control terminal that monitors the descent and approach section of the UAM air vehicle in real time through the UAM air vehicle landing guide device. The UAM air vehicle is configured to output a warning for safe descent and access according to a predetermined standard in accordance with the guide of the above UAM air vehicle landing guide device in the descent and approach section.

Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.

Abstract: An infusion flow regulator includes: a main body having an inlet through which fluid is introduced and an outlet through which the fluid is discharged; and a rotary dial rotatably coupled to the main body, with a sealing member interposed therebetween, so as to regulate a flow rate of the fluid, in which the rotary dial includes a regulating flow path having a shape of a recessed groove in cross section with a first width and a first height, and the regulating flow path includes a first region in which the first width is constant and the first height is decreased, and a second region in which both the first width and the first height are decreased. By the aforementioned configuration, the infusion flow regulator for the fluid can accurately regulate the flow rate even in a region where the flow rate of the fluid is very small.

Abstract: A semiconductor package may include a lower structure, a first semiconductor chip on the lower structure, the first semiconductor chip including a hot spot, a second semiconductor chip horizontally spaced apart from the first semiconductor chip on the lower structure, and a connection chip in the lower structure and connecting the first and second semiconductor chips to each other. The hot spot may vertically overlap the connection chip.

Abstract: The present invention relates to a method of non-destructively measuring a thickness of a reinforcement membrane, and more particularly, to a method of non-destructively measuring a thickness of a hydrogen ion exchange reinforcement membrane for a fuel cell, in which the reinforcement membrane has a symmetric three-layer structure including a reinforcement base layer and pure water layers disposed at opposing sides of the reinforcement base layer, including performing total non-destructive inspection and omitting a process of analyzing a position by means of a thickness peak of a power spectrum of the respective layers of the reinforcement membrane.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

Abstract: A communication terminal and a method of providing a unified natural language interface to the same are disclosed. The method includes: determining, when text information containing many characters is created, whether the text information conforms to one of preset grammatical constraints; extracting, when the text information conforms to one of the grammatical constraints, tokens of one or more of characters from the text information, and extracting, when the text information does not conform to one of the grammatical constraints, one or more characters having an attribute probability higher than a reference probability as a token; and analyzing the extracted tokens to determine a function to handle the extracted tokens, and executing the determined function based on the extracted tokens.

Abstract: A semiconductor package with improved thermal properties is provided. The semiconductor package includes a first package including a first die, an interposer on the first package and including a first area and a second area. A second package is on a top face of the interposer in the second area, and a thermal diffusion structure is on a top face of the interposer in the first area. The thermal diffusion structure is configured so that heat generated in the first die is discharged through the thermal diffusion structure.

Abstract: A polarizing plate and a display apparatus including the same. The polarizing plate includes: a polarizer and a protective film stacked at least on one surface of the polarizer, wherein the polarizing plate includes at least a depolarization region in an in-plane direction thereof, and the depolarization region has a maximum absorbance of 0.5 to 1.5 in the wavelength range of 380 nm to 420 nm and a light transmittance ratio (ratio of light transmittance at a wavelength of 590 nm to light transmittance at a wavelength of 400 nm) of 1 to 2.

Abstract: Provided are an optical display device module and an optical display device comprising same, the module comprising: an optical display device panel; and a first polarizer, a first retardation layer, and a second retardation layer that are sequentially stacked, wherein the second retardation layer is disposed inside the panel for the optical display device, the slow axis of the first retardation layer forms ?5° to +5° with respect to the absorption axis of the first polarizer, the slow axis of the second retardation layer forms ?5° to +5° with respect to the absorption axis of the first polarizer, the second retardation layer includes a positive A retardation layer of which the biaxial degree is 0.9 to 1.1 at a wavelength of 550 nm, and the first retardation layer includes a positive B retardation layer of which the biaxial degree is ?1 to ?0.2 at a wavelength of 550 nm.

Abstract: Provided are an optical display device module and an optical display device including same, the optical display device module comprising an optical display device panel, and a first polarizing plate arranged on at least one surface of the optical display device panel, wherein the first polarizing plate includes a first polarizer and a first phase difference layer arranged between the first polarizer and the optical display device panel, the first phase difference layer includes at least a positive C layer, the optical display device panel includes a second phase difference layer therein, and the second phase difference layer and the first phase difference layer satisfy formula 1 and formula 2.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.

Abstract: A polarizing plate and an optical display apparatus are provided. A polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer, and the first retardation layer has a short wavelength dispersion of about 1 to about 1.03, a long wavelength dispersion of about 0.98 to about 1, and an in-plane retardation of about 180 nm to about 220 nm at a wavelength of 550 nm, the second retardation layer has a short wavelength dispersion of about 1 to about 1.1, a long wavelength dispersion of about 0.96 to about 1, and an in-plane retardation Re of about 70 nm to about 120 nm at a wavelength of 550 nm, and a ratio of out-of-plane retardation of the second retardation layer at a wavelength of 550 nm to thickness thereof is about -33 nm/µm to about -15 nm/µm.

Abstract: A chip on film package includes: a flexible base film having a first surface and a second surface opposite to each other, and having a chip mounting region on the first surface; a plurality of wirings extending in a first direction toward the chip mounting region; a semiconductor chip mounted in the chip mounting region on the first surface of the base film and electrically connected to the wirings; a pair of first heat dissipation members on the first surface of the base film and spaced apart from the semiconductor chip, and extending in a second direction perpendicular to the first direction; and a second heat dissipation member on the first surface of the base film and covering the semiconductor chip and the pair of first heat dissipation members.

Abstract: Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising a polarizer and a protective layer formed on at least one surface of the polarizer, wherein: the polarizing plate comprises a first area and a second area formed within an image display area; the first area and the second area have different single transmittances in the same wavelength; and the first area has a single transmittance of 45% to 85%, a maximum absorbance of 1.0 to 5.0 in a wavelength in a range from about 270 nm to about 325 nm, a maximum absorbance of 0.5 to 4.0 in a wavelength which exceeds about 325 nm and is lower than or equal to 420 nm, and a maximum absorbance of 0.5 or less in a wavelength in a range from about 500 nm to about 800 nm.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.