Abstract: A display device includes a display panel including a peripheral region adjacent to a light-emitting region, and a reflection preventing facing the display panel. The reflection preventing layer includes a light-blocking pattern corresponding to the peripheral region and defining an opening corresponding to the light-emitting region, a color filter in the opening of the light-blocking pattern, and a protruding pattern corresponding to the light-blocking pattern.

Abstract: Provided is a curable siloxane composition with low dielectric constant and low dielectric loss, in which organic alkoxy silane having a silicon-based asymmetric structure and organic alkoxy silane having a silicon-based symmetric structure are included. The curable siloxane composition has low dielectric constant and dielectric loss in a high frequency range, low water absorption, excellent workability, and high copper foil peel strength, and thus physical properties suitable for application to printed circuit boards for high-frequency communication electronic devices may be provided.

Abstract: A battery cell and a battery cell manufacturing method are disclosed. A battery cell includes one or more electrode assemblies each including a positive electrode and a negative electrode, a case in which the one or more electrode assemblies are housed, a cap cover configured to cover an opening of the case, an electrode tab connected to the one or more electrode assemblies, and a boss terminal guidable by the cap cover, passing through the cap cover, and coupled to the electrode tab.

Abstract: A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; a cap plate coupled to an opening in the case; and a spacer in the case. A vent part is provided in the surface of the case which is opposite to the cap plate, and the spacer is accommodated in the case between a lower portion of the electrode assembly and the vent part. The spacer has: a surface portion contacting the electrode assembly and a space portion below the surface portion; an opening in an area of the surface portion corresponding to the vent part; and a gas discharge hole extending around the opening. Gas generated in the case is discharged to the outside through the vent part via the space portion and the gas discharge hole in the spacer.

Abstract: A vehicular heat management system includes a refrigerant circulation line including a compressor, a high pressure side heat exchanger, a heat pump mode expansion valve, an outdoor heat exchanger, and a plurality of low pressure side heat exchangers installed parallel to each other. The refrigerant circulation line further includes a refrigerant pipe having an increased diameter portion formed by increasing the diameter of a specific refrigerant pipe portion among a plurality of refrigerant pipe portions affecting a refrigerant pressure in the refrigerant pipe portions on the intake and discharge sides of the compressor so that the specific refrigerant pipe portion has a larger diameter than other refrigerant pipe portions.

Abstract: A display device includes: a base layer; a display element layer on the base layer, and including a light emitting element, a light detection element, and a photovoltaic element adjacent to one another; a light shielding layer on the display element layer, and having a plurality of opening parts; and a color filter layer on the display element layer, and covering the plurality of opening parts. The light detection element and the photovoltaic element are located at the same layer as each other, the light detection element is to detect an external input based on incident light from the outside, and the photovoltaic element is to generate electrical energy based on the incident light.

Abstract: A secondary battery includes an electrode assembly including a first electrode plate and a second electrode plate, a case for accommodating the electrode assembly, and having one open side, a cap plate coupled to the case at the one open side, a first terminal and a second terminal electrically connected to the electrode assembly, and coupled to the cap plate, and a lower insulator at a lower portion of the electrode assembly, located between the electrode assembly and another side of the case that faces the cap plate in a longitudinal direction, and including an inclined part corresponding to a direction of the electrode assembly on at least one edge of an upper end of the lower insulator.

Abstract: The present disclosure relates to a hydrogen tank temperature control apparatus, system, and method. An example embodiment of the present disclosure provides a hydrogen tank temperature control apparatus including an air guide between a stack cooling module configured to cool a fuel cell stack and the one or more hydrogen tanks, and a processor configured to control a temperature of the one or more hydrogen tanks by controlling one or more angles of the air guide.

Abstract: A display device includes: a base layer; a circuit layer on the base layer; and an element layer on the circuit layer and including a light emitting element and a hybrid element, wherein the hybrid element includes: a hybrid anode electrode; a light receiving stack on the hybrid anode electrode; a light emitting stack on the light receiving stack; and a hybrid cathode electrode on the light emitting stack, wherein the light emitting element is configured to be turned on to emit a first color light in a light emitting mode and a light receiving mode, wherein the hybrid element is configured to be turned on to output a second color light in the light emitting mode, and wherein the hybrid element is configured to be turned on to receive the first color light in the light receiving mode.

Abstract: Provided are a deformed Al alloy casting with improved formability by local heat treatment, and a method of manufacturing the same, and the method includes a casting step for forming an Al alloy casting by casting molten metal formed by melting alloying elements of Al alloy, a solid solution treatment step for solid solution-treating the Al alloy casting, an aging step for aging the solid solution-treated Al alloy casting, a local heat treatment step for locally heat-treating a deformation target area of the aged Al alloy casting, and a deformation step for deforming the locally heat-treated deformation target area of the Al alloy casting.

Abstract: A vehicular air conditioning system includes a cooling heat exchanger and a heating heat exchanger sequentially installed on an internal flow path of an air conditioning case to cool and heat an air blown from a blower, a plurality of air discharge ports configured to discharge cold air and hot air passing through the cooling heat exchanger and the heating heat exchanger into a passenger room, a first bypass flow path configured to allow the air blown from the blower to bypass to an upstream side of the heating heat exchanger before passing through the cooling heat exchanger, and a first opening/closing door configured to open and close the first bypass flow path.

Abstract: A display device includes a display panel including a peripheral region adjacent to a light-emitting region, and a reflection preventing facing the display panel. The reflection preventing layer includes a light-blocking pattern corresponding to the peripheral region and defining an opening corresponding to the light-emitting region, a color filter in the opening of the light-blocking pattern, and a protruding pattern corresponding to the light-blocking pattern.

Abstract: Provided is a heat treatment method of an alloy for eco-friendly vehicle parts, the heat treatment method including preparing an aluminum (Al) alloy, performing solid solution treatment on the Al alloy, performing primary cooling to a temperature range of 250° C. to 400° C. after the solid solution treatment is performed, and performing secondary cooling to room temperature after the primary cooling is performed, wherein a cooling rate range of the primary cooling is lower than the cooling rate range of the secondary cooling.

Abstract: A display device includes a first pad group including first pads spaced apart in a first direction, a second pad group spaced apart from the first pad group in a second direction crossing the first direction, and including second pads spaced apart in the first direction, inspection lines between the first pads, extending in the second direction, spaced apart in the first direction, and respectively connected to the second pads, and a dummy pad between adjacent ones of the inspection lines.

Abstract: A display device includes a light emitting sub-pixel disposed in a display area, a light receiving pixel disposed in one of the display area or a non-display area, and a touch sensing layer including a sensing conductive layer overlapping with the light receiving pixel.

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.

Abstract: Disclosed are a perovskite color converter and a method for manufacturing the same. In order to maintain strong physical properties, the siloxane resin is synthesized in two steps. The silane precursor performs siloxane bond through a non-aqueous sol-gel reaction to form a siloxane resin, and a bond between methacrylate group, and a bond between methacrylate group and an organic ligand are formed through a secondary cross-linking reaction.

Abstract: A secondary battery includes an electrode assembly including a first tab and a second tab at opposite ends of the electrode assembly in a longitudinal direction, respectively; a case configured to accommodate the electrode assembly and in which a first opening and a second opening are defined at opposite ends of the case in the longitudinal direction, respectively; a first cap plate coupled to the first opening of the case and insulated from and penetrated by a first terminal that is electrically coupled to the first tab of the electrode assembly, the first cap plate including a second terminal electrically coupled to the second tab of the electrode assembly; and a second cap plate coupled to the second opening of the case and electrically coupled to the second tab of the electrode assembly.

Abstract: An outer terminal connection structure of a secondary battery, includes: a first current collector to be welded to non-coating portion tabs of an electrode assembly; a second current collector electrically connected to the first current collector; a cap plate above the second current collector, and connected to an opening of a case, the cap plate having a plate hole; an outer terminal above the cap plate, and electrically connected to the second current collector; an insulator passing through the cap plate to be located above and below the cap plate, the insulator to support the outer terminal at an upper side, and contact the second current collector at a lower side; and a terminal connection part passing through the plate hole to electrically connect the second current collector to the outer terminal. The outer terminal connection structure includes a rotation prevention structure to restrict a relative rotation.

Abstract: A secondary battery includes: an electrode assembly including: first and second electrode plates respectively including a main tab close to an outer edge based on a center line in a longitudinal direction and a sub tab that is closer to the center line than to the outer edge; a first current collector electrically coupled to the first main tab and the first sub tab; a second current collector electrically coupled to the second main tab and the second sub tab; and a case configured to accommodate the electrode assembly, the first current collector, and the second current collector. The first main tab and the second sub tab have an asymmetric shape, and the second main tab and the second sub tab have an asymmetric shape.