Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: A user access control method for an information system is proposed. The method may include processing login of a user using the information system, and acquiring a reference image obtained by capturing the logged-in user on the basis of a login time. The method may also include extracting reference feature information from the reference image and storing the reference feature information, and acquiring target images obtained by capturing a user using the information system at predetermined intervals. The method may further include extracting each target feature information from each target image; comparing each target feature information with the reference feature information to confirm whether or not each user using the information system at predetermined intervals is the same as the logged-in user, and controlling an access for the each user using the information system when the each user using the information system is not the same as the logged-in user.

Abstract: A pore-filled ion exchange polyelectrolyte composite membrane from which the surface ion exchange polyelectrolyte has been removed and a method of manufacturing the same are provided. The ion exchange polyelectrolyte composite membrane exhibits low film resistance and low in-plane-direction swelling degree, and has a smaller film-thickness than a commercial film, and thus, can be used for various purposes. In addition, since the pore-filled ion exchange polyelectrolyte composite membrane is continuously manufactured through a roll-to-roll process, the manufacturing process is simple, and manufacturing costs can be greatly reduced.

Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.

Abstract: The present invention relates to a novel electrolyte and a secondary battery including the same. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.

Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.

Abstract: The present technology relates to an electrode slurry-discharging shim, and a coating die comprising same, the present technology allowing superbly even coating to be assured even when the electrode slurry coating is at a high load level. In one example, the present technology provides a coating shim for electrode slurry discharge according to the present invention having a step portion configured to be formed at an end of an electrode slurry discharge flow path and to increase a width of the discharge flow path, and the step portion is formed at opposite sides in a width direction of the electrode slurry discharge flow path.

Abstract: A display device of the present disclosure comprises pixels arranged in a display, a data accumulator for accumulating first image data for an N-th frame output through the display, a data receiver for receiving second image data for an (N+1)th frame to be output through the display, and an afterimage controller for correcting a current value corresponding to a grayscale value of the second image data through a convolution operation between a filter, which is set based on the first image data, and the second image data.

Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: The present invention relates to stem cell-derived mature cardiomyocytes and a cardiovascular disease model using same and, more specifically, to differentiation into mature ventricular cardiomyocytes by culturing stem cells in a medium containing FGF4 and ascorbic acid, and use of the differentiated mature ventricular cardiomyocytes as a cardiovascular disease cell model. The mature ventricular cardiomyocytes, obtained by culturing stem cells in a medium containing FGF4 and ascorbic acid and inducing the differentiation thereof, and cardiovascular disease cell model using same according to the present invention are very useful for screening for cardiovascular disease therapeutic agents and evaluation of the toxicity of new drugs.

Abstract: The present invention relates to a camera module comprising: a first body including a lens; a second body coupled to the first body; and a substrate assembly disposed within the second body, wherein the substrate assembly comprises: a first substrate and a second substrate; a third substrate disposed between the first substrate and the second substrate; a fourth substrate electrically connecting the first substrate and the second substrate; a fifth substrate electrically connecting the second substrate and the third substrate; and a processor disposed on the second substrate, wherein the length of the fourth substrate is longer than the length of the fifth substrate.

Abstract: One embodiment of a camera module includes: a lens barrel provided with at least one lens; and a lens holder having the lens barrel coupled thereto, wherein the lens barrel may have a first adhesive part formed thereon having the bottom surface thereof facing the top surface of the lens holder and adhered to the lens holder, the lens holder may have a second adhesive part formed thereon having the top surface thereof facing the bottom surface of the lens barrel and adhered to the lens barrel, and a first recessed groove having at least a portion of an adhesive deposited therein may be formed in the second adhesive part.

Abstract: One embodiment of a camera module includes: a lens barrel provided with at least one lens; and a lens holder having the lens barrel coupled thereto, wherein the lens barrel may have a first adhesive part formed thereon having the bottom surface thereof facing the top surface of the lens holder and adhered to the lens holder, the lens holder may have a second adhesive part formed thereon having the top surface thereof facing the bottom surface of the lens barrel and adhered to the lens barrel, and a first recessed groove having at least a portion of an adhesive deposited therein may be formed in the second adhesive part.

Abstract: One embodiment of a camera module includes: a lens barrel provided with at least one lens; and a lens holder having the lens barrel coupled thereto, wherein the lens barrel may have a first adhesive part formed thereon having the bottom surface thereof facing the top surface of the lens holder and adhered to the lens holder, the lens holder may have a second adhesive part formed thereon having the top surface thereof facing the bottom surface of the lens barrel and adhered to the lens barrel, and a first recessed groove having at least a portion of an adhesive deposited therein may be formed in the second adhesive part.

Abstract: One embodiment of a camera module includes: a lens barrel provided with at least one lens; and a lens holder having the lens barrel coupled thereto, wherein the lens barrel may have a first adhesive part formed thereon having the bottom surface thereof facing the top surface of the lens holder and adhered to the lens holder, the lens holder may have a second adhesive part formed thereon having the top surface thereof facing the bottom surface of the lens barrel and adhered to the lens barrel, and a first recessed groove having at least a portion of an adhesive deposited therein may be formed in the second adhesive part.

Abstract: One embodiment of a camera module includes: a lens barrel provided with at least one lens; and a lens holder having the lens barrel coupled thereto, wherein the lens barrel may have a first adhesive part formed thereon having the bottom surface thereof facing the top surface of the lens holder and adhered to the lens holder, the lens holder may have a second adhesive part formed thereon having the top surface thereof facing the bottom surface of the lens barrel and adhered to the lens barrel, and a first recessed groove having at least a portion of an adhesive deposited therein may be formed in the second adhesive part.