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 includes a substrate including an emission area and a non-emission area, alignment electrodes arranged to be spaced from each other in a first direction on the substrate and extending in a second direction crossing the first direction, and pixels arranged along the second direction. Pixels adjacent to each other in the second direction from among the pixels may be configured to emit light of different colors. Each of the pixels may include first light emitting elements on the alignment electrodes and arranged along the second direction, second light emitting elements on the alignment electrodes, spaced from the first light emitting elements in the first direction, and arranged along the second direction, a first pixel electrode electrically connected to a first driving power and first ends of the first light emitting elements, a second pixel electrode spaced from the first pixel electrode in the first direction.

Abstract: A display device may include pixels on a substrate. Each of the pixels may include: a first alignment electrode and a second alignment electrode located on the substrate and spaced from each other; a first insulating layer on the first alignment electrode and the second alignment electrode; a light emitting element located on the first insulating layer between the first and second alignment electrodes; a dummy pattern located between the first insulating layer and the light emitting element; a second insulating layer located on the light emitting element and exposing first and second ends of the light emitting element; a first electrode electrically connected to the first end of the light emitting element; and a second electrode spaced from the first electrode, and electrically connected to the second end of the light emitting element. The dummy pattern may include a same material as the second insulating layer.

Abstract: A display device includes: light emitting elements, each of the light emitting elements including a first end having a first polarity and a second end having a second polarity different from the first polarity; and a first type connection electrode contacting the first ends and/or the second ends of the light emitting elements, wherein a first type connection electrode includes: a middle portion extending in a first direction; a first electrode portion extending from the middle portion toward a first side in a second direction intersecting the first direction; a second electrode portion extending from the middle portion toward the first side in the second direction and spaced from the first electrode portion by a first width in the first direction; a third electrode portion extending from the middle portion toward a second side in the second direction; and a fourth electrode portion.

Abstract: A method for manufacturing a secondary battery and a secondary battery are provided. The method for manufacturing the secondary battery includes a cutting process of slit-cutting a portion of a pouch in an arc shape to form a cutting part; a forming process of forming an accommodating part in a bent shape in the pouch to accommodate an electrode assembly having a bent shape in the pouch after the cutting process; and an accommodating process of accommodating the electrode assembly in the accommodating part of the pouch after the forming process. In the cutting process, the portion of the pouch is adjacent to an inner corner portion in the accommodating part having the bent shape.

Abstract: The present invention relates to an electrode sheet cutting apparatus including an upper cutter and a lower cutter configured to apply force to opposite surfaces of an electrode sheet while moving at the same speed, wherein the electrode sheet is cut from one side to the other side, whereby deformation of the electrode sheet is prevented and generation of foreign matter is reduced, and an electrode sheet cutting method using the same.

Abstract: The present invention provides a rolling device for a secondary battery, the rolling device comprising: a jig member provided with a bottom plate and one or more correction frames disposed on a top surface of the bottom plate and into which the secondary battery is inserted; a pressing member provided above the jig member to press the secondary battery inserted into each of the correction frames, wherein the pressing member comprises: a support piece configured to uniformly support an entire top surface of the secondary battery inserted into the correction frame and press the entire top surface of the secondary battery inserted into the correction frame with uniform force by transmitted force; and a pressing piece configured to transmit force so that the support piece presses the entire top surface of the secondary battery inserted into the correction frame with the uniform force.

Abstract: Methods for activating a secondary battery are provided, as well as methods for manufacturing a secondary battery, which include: providing a secondary battery including an electrode assembly and an electrolyte solution in a battery case, pre-aging the secondary battery at room temperature to provide a pre-aged secondary battery; initially charging the pre-aged secondary battery to provide an initially-charged secondary battery; aging the initially-charged secondary battery at room temperature to provide a room-temperature-aged secondary battery; fully charging the room-temperature-aged secondary battery to a voltage of 4.4V or more to provide a fully-charged secondary battery; and degassing the charged secondary battery to remove gas inside the fully-charged secondary battery. According to these methods, it is possible to increase the remaining amount of an electrolyte solution inside an electrode by fully charging a secondary battery.

Abstract: The present disclosure provides a semiconductor deposition monitoring device comprising a supporting table, a chamber, a lamp, an optical sensor, a conduit, a plurality of sensors in the conduit, and a heat exchanger. The supporting table supports a deposition target wafer on which a deposition material is deposited. The chamber comprises an upper dome and a lower dome. The lamp emits light to the chamber. The optical sensor receives the irradiated light and measures the deposition material formed in the chamber. The conduit has an inlet conduit through which air is injected into the chamber and an outlet conduit through which the air is discharged from the chamber. The plurality of sensors sense information of the air. The sensed information may be used to control the heat exchanger.

Abstract: Provided is an ultra-dispersion mixer, for stirring a mixed material for producing a high-quality slurry for an electrode of a secondary battery within a short time by disposing a low-speed blade and a high-speed blade for stirring a mixed material in a chamber so as to easily and effectively disperse elements of the slurry of a secondary battery, supplied to a mixer during a procedure of preparing the slurry of a secondary battery produced by performing mixing procedures multiple times, and disposing blade parts having a plurality of stirring characteristics so as to realize various stirring characteristics in the mixed material on the high-speed blade to increase the dispersion of the mixed material while the mixed material circulates in a high-shear disperser of the chamber and to simultaneously increase the temperature of a supplied solution at the beginning of stirring of the mixed material in the chamber.

Abstract: A display module is provided. The display module includes a plurality of substrates; a plurality of light-emitting devices mounted on each of the plurality of substrates; a plurality of transparent resins that surrounds the plurality of light-emitting devices; and an opaque molding layer that is disposed on the plurality of substrates between the plurality of transparent resins and covers partial surfaces of the plurality of transparent resins.

Abstract: A display module is provided. The display module includes a plurality of substrates; a plurality of light-emitting devices mounted on each of the plurality of substrates; a plurality of transparent resins that surrounds the plurality of light-emitting devices; and an opaque molding layer that is disposed on the plurality of substrates between the plurality of transparent resins and covers partial surfaces of the plurality of transparent resins.

Abstract: There is provided a display apparatus and a method of manufacturing the same. The display apparatus includes: a quantum dot unit or a quantum dot sheet capable of improving heat dissipation performance. A wire with high heat transfer rate is provided in the quantum dot unit or the quantum dot sheet, and the wire is connected to the bottom chassis of the display apparatus so as to dissipate heat generated in the quantum dot.

Abstract: An electrochemical mirror includes a first transparent electrode; a second transparent electrode disposed to be spaced apart from the first transparent electrode; and an electrolyte layer disposed between the first transparent electrode and the second transparent electrode and including an electrolyte solution, the electrolyte solution including a compound having a sulfonate functional group or a derivative compound having the same, as an electrolyte solution additive.

Abstract: An electrochemical mirror is provided. The electrochemical mirror includes a first transparent electrode; a second transparent electrode spaced apart from the first transparent electrode; and an electrolyte layer formed of an electrolyte, and disposed between the first transparent electrode and the second transparent electrode, wherein the electrolyte includes an electro-depositable metal ion; a halogenated ionic liquid; and at least one additive selected from the group consisting of a compound having a sulfonate functional group and derivatives thereof.

Abstract: A data input device, an electronic device using the data input device, and an operation method based on the data input device and the electronic device are provided. The data input device for effectively changing a color of data to be input to the electronic device includes a color changer configured to change a color of data to be input to the electronic device, a communicator configured to communicate with the electronic device, and a controller configured to receive an output signal from the color changer, to convert the received output signal into color identification information, and to control the communicator to transmit the converted color identification information to the electronic device.

Abstract: A display apparatus and an input method of the display apparatus are provided. The display apparatus includes a bottom chassis, and a display panel disposed above the bottom chassis, the display panel including an active area configured to display a control menu, and a black mask area surrounding the active area. The display apparatus further includes a light source configured to irradiate light, an optical member configured to cause the irradiated light to be incident on the display panel, and a middle frame disposed on the optical member and configured to support the display panel. The display apparatus further includes a sensor disposed between the middle frame and the display panel, and configured to sense a user input.

Abstract: There is provided a display apparatus and a method of manufacturing the same. The display apparatus includes: a quantum dot unit or a quantum dot sheet capable of improving heat dissipation performance. A wire with high heat transfer rate is provided in the quantum dot unit or the quantum dot sheet, and the wire is connected to the bottom chassis of the display apparatus so as to dissipate heat generated in the quantum dot.

Abstract: An electrochemical mirror includes a first transparent electrode; a second transparent electrode disposed to be spaced apart from the first transparent electrode; and an electrolyte layer disposed between the first transparent electrode and the second transparent electrode and including an electrolyte solution, the electrolyte solution including a compound having a sulfonate functional group or a derivative compound having the same, as an electrolyte solution additive.

Abstract: An electrochemical mirror is provided. The electrochemical mirror includes a first transparent electrode; a second transparent electrode spaced apart from the first transparent electrode; and an electrolyte layer formed of an electrolyte, and disposed between the first transparent electrode and the second transparent electrode, wherein the electrolyte includes an electro-depositable metal ion; a halogenated ionic liquid; and at least one additive selected from the group consisting of a compound having a sulfonate functional group and derivatives thereof.