Abstract: A light measuring device includes: a first lens; a first variable opening located in a first direction from the first lens at a predetermined distance; a second lens located in the first direction from the first variable opening at a predetermined distance; a second variable opening located in the first direction from the second lens; a third lens located in the first direction from the second variable opening; and a light receiving unit located in the first direction from the third lens at a predetermined distance, wherein a diameter of the first variable opening and a diameter of the second variable opening are independently adjusted.

Abstract: Proposed is a device for receiving a four-level pulse amplitude modulation (PAM-4) signal, which includes a first comparator for comparing a received PAM-4 signal with a predetermined threshold voltage to output a most significant bit (MSB) signal; and a second comparator for comparing the differential signal difference between the positive signal and negative signal of the received PAM-4 signal with a reference voltage to output a least significant bit (LSB) signal.

Abstract: An image synthesis device includes a memory storing a virtual viewpoint image synthesis program, and a processor configured to execute the program. The program receives images of multiple viewpoints obtained by filming around a user, position information on the user, and information on a direction in which scene is viewed, estimates color and density by inputting the position information of the user and the direction in which the object is viewed to a neural radiance field model constructed by using the images of the multiple viewpoints, and synthesizes images of a virtual viewpoint by performing volume rendering by using estimated color and density, the neural network radiance field model is constructed based on a quasi-uniform spherical coordinate system, and the quasi-uniform spherical coordinate system includes a sum of a Yin grid and a Yang grid and has a grid structure that increases exponentially in a radial direction.

Abstract: A negative active material composite includes a core and a coating layer surrounding the core. The core includes crystalline carbon, amorphous carbon, and silicon nanoparticles, the coating layer includes amorphous carbon, and an adjacent distance between the silicon nanoparticles is less than or equal to about 100 nm.

Abstract: A display apparatus having a light-emitting device and a touch electrode is provided. An optical pattern may be disposed on the light-emitting device. A side of the optical pattern may be sloped. A surface of the optical pattern opposite to the light-emitting device may be covered by an intermediate insulating layer. The intermediate insulating layer may be harder than the optical pattern. The touch electrode may overlap the side of the optical pattern. Thus, in the display apparatus, the surface defect of the optical pattern in the forming process of the touch electrode may be prevented. Therefore, in the display apparatus, the frontal luminance and the image quality may be improved.

Abstract: A negative active material and a rechargeable lithium battery including the same. The negative active material includes an inorganic supporter in which pores are formed; a silicon layer coated on the inorganic supporter, and a carbon-based material positioned on the pores of the inorganic supporter and a surface of the inorganic supporter.

Abstract: A display device including: a display panel including a first area, a second area that can be bent from the first area, and a third area extending from the second area; a driving chip disposed in the third area; a connection substrate including a first hole wherein the first hole overlaps the driving chip and the third area; and a cover layer disposed in the third area wherein the cover layer contacts one or more sides of the driving chip.

Abstract: A foreign substance collecting apparatus according to one embodiment of the present disclosure may comprise: a collection body unit formed with a suction port through which air including foreign substances flows in and a discharge port through which air removed of the foreign substances is discharged; and a mixing unit provided inside the collection body unit and disposed on a flow passage of the air, and forming a vortex in washing water contained therein by inducing a rotary flow of the air.

Abstract: The lighting device disclosed in the embodiment of the invention includes a substrate; a plurality of light emitting devices disposed on the substrate and emitting light in at least a first direction; a resin layer sealing the plurality of light emitting devices; and an optical member disposed on the resin layer, wherein the resin layer may include a first light blocking portion integrally formed with the resin layer and having a transmittance lower than that of the resin layer on an emission-side region of each of the plurality of light emitting devices.

Abstract: A negative active material composite includes a core and a coating layer around (surrounding) the core. The core includes amorphous carbon and silicon nanoparticles, the coating layer includes amorphous carbon, and an adjacent distance between the silicon nanoparticles is less than or equal to about 100 nm.

Abstract: A negative active material, including an inorganic supporter having pores which are filled with silicon, additional silicon located on a surface of the inorganic supporter, and a carbon coating layer on the surface of the inorganic supporter and a surface of the additional silicon located on the surface of the inorganic supporter.

Abstract: Provided are an energy big data system and an operation management method associated with meter environment information. A method for managing meters according to an embodiment includes: collecting energy usage data from the meters; collecting environmental data of the meters; and predicting states of the meters, based on the collected environmental data. Accordingly, states of meters may be predicted based on collected environmental information and meter reading information of the meters, so that the meters may be efficiently operated and managed, and a new energy service may be provided through analysis of big data including meter reading information and meter installation environment information.

Abstract: An embodiment of the present disclosure provides a display device including: a substrate including a display area and a pad portion outside the display area; and a plurality of pads positioned in the pad portion. The plurality of pads are positioned in six rows, the six rows are arranged along the first direction, pads adjacent in the first direction among the plurality of pads are positioned on different layers, pads adjacent to each other in a second direction among the plurality of pads are positioned in the same layer, and the second direction is perpendicular to the first direction and parallel to a direction in which the rows extend.

Abstract: Provided are an ink composition, a layer prepared using the ink composition, and a display device comprising the layer, the ink composition comprising a solvent comprising (A) semiconductor nanorods, and (B) at least one diol-based compound, wherein the ink composition has a viscosity of at least 50 cps at 20° C. to 25° C. and at most 20 cps at 35° C. to 65° C.

Abstract: A negative active material, including a silicon-carbon composite including silicon and amorphous carbon, a metal oxide, and a metal silicate.

Abstract: A color conversion panel includes a substrate including first and second light emitting regions, banks partitioning the first and second light emitting regions, each bank among the banks including a bank light transmission layer, a metal layer on the bank light transmission layer and a transparent layer on the metal layer, a color conversion layer in the first light emitting region, and a light transmission layer in the second light emitting region. The bank light transmission layer and the light transmission layer are respective portions of a same material layer on the substrate.

Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte includes a lithium salt, an organic solvent, and at least one cyano silane-based compound selected from the group consisting of compounds represented by Formulae 1 to 3.

Abstract: In general, according to one embodiment, a magnetoresistance memory device includes: a first ferromagnetic layer; an insulating layer above the first ferromagnetic layer; a second ferromagnetic layer above the insulating layer; a third ferromagnetic layer above the second ferromagnetic layer; and a fourth ferromagnetic layer above the third ferromagnetic layer. The third ferromagnetic layer includes an oxide of an alloy including iron. The fourth ferromagnetic layer includes iron and a 5d transition metal.

Abstract: A ferritic stainless steel with improved expandability includes, in percent (%) by weight of the entire composition, Cr: 10 to 25%, N: 0.015% or less (excluding 0), Al: 0.005 t 0.04%, Nb: 0.1 to 0.6%, Ti: 0.1 to 0.5%, the remainder of iron (Fe) and other inevitable impurities, and satisfies the following equation (1): Z=X*Y?17??equation(1).

Abstract: Described herein are methods for treating a subject with an aneurysm or a dissection in a blood vessel comprising administering to the subject an effective amount of a ?-hydroxybutyrate. The methods described herein are useful in repairing damage to arteries caused by an aneurysm. Additionally, described herein are methods for reducing or preventing the risk of the formation of aneurysm or dissection in a blood vessel comprising administering to the subject an effective amount of a ?-hydroxy butyrate.