Abstract: The present invention relates to a leveling agent and an electrolytic composition comprising the same. When the via hole in the substrate is filled with the electrolytic composition according to the present invention, the via hole can be filled within a relatively short time while minimizing the formation of dimples or voids.

Abstract: The present invention relates to a leveling agent and an electrolytic composition comprising the same. When the via hole in the substrate is filled with the electrolytic composition according to the present invention, the via hole can be filled within a relatively short time while minimizing the formation of dimples or voids.

Abstract: A display device includes a display panel including a front surface that displays an image, and a rear surface, wherein the display panel is foldable with respect to a folding axis extending in a first direction; and a metal plate disposed on the rear surface of the display panel, wherein the metal plate includes a first body and a second body that are arranged in a second direction intersecting the first direction; a patterned portion disposed between the first body and the second body to overlap the folding axis in a thickness direction of the display device; and at least one protrusion protruding parallel to the folding axis from an edge of at least one of the first body, the second body, and the patterned portion.

Abstract: A steering wheel includes a damper unit and an airbag cover configured to move, when a horn is activated, in a horn operation direction with respect to an airbag housing. The damper unit includes a damper made of insulating material coupled to the airbag housing, a switch assembly coupled to the airbag housing in an insulating state via the damper and coupled to the steering wheel to be continuously energized, and a spring. The spring is coupled to the airbag housing to be continuously energized and selectively electrically conducted with the switch assembly depending on whether the airbag cover is in contact with the switch assembly due to elastic deformation when the airbag cover moves in the horn operation direction.

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract: An organometallic compound represented by Formula 1: M1(L1)n1(L2)n2??Formula 1 wherein M1 is a transition metal, L1 is a ligand represented by Formula 1A, L2 is a ligand represented by Formula 1B, and n1 and n2 are each independently 1 or 2, wherein X1 and X2 are each independently C or N, ring CY2 and ring CY4 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group, ring CY3 is a 5-membered heterocyclic group; a 5-membered heterocyclic group condensed with a C5-C30 carbocyclic group; or a 5-membered heterocyclic group condensed with a C1-C30 heterocyclic group, Y1 is O, S, Se, C(R5)(R6), N(R7), Si(R8)(R9), or Ge(R8)(R9), at least one of R12 and R13 comprises deuterium, and the other substituent groups are as described herein.

Abstract: A Merkle tree-based data management method may comprise: aligning data into two-dimensional square matrix; calculating a hash value of each node of the two-dimensional square matrix; calculating hash values of each row of the two-dimensional square matrix; generating an additional column with nodes having the hash values of each row; calculating hash values of each column of the two-dimensional square matrix; generating an additional row with nodes having hash values of each column; and calculating a Merkle root by concatenating the hash values of the additional column and the hash values of the additional row.

Abstract: An electronic device including a display panel, a cushion member disposed below the display panel, an electronic module inserted into a hole defined by the display panel and the cushion member, and a light blocking pattern disposed on the electronic module with the display panel therebetween. The electronic module is spaced apart from a sidewall configured to define the hole in a first state in which the display panel and the cushion member are folded and a second state in which the display panel and the cushion member are unfolded.

Abstract: A display device includes a display panel including a first non-folding area, a folding area, and a second non-folding area and a support plate that is disposed under the display panel and that defines a plurality of openings overlapping the folding area and arranged in a first direction and a second direction intersecting the first direction. The support plate includes a first branch disposed between openings adjacent to each other in the second direction among the plurality of openings and a second branch disposed between openings adjacent to each other in the first direction among the plurality of openings. A first width of the first branch in the second direction is smaller than a second width of each of the openings in the second direction.

Abstract: The present invention relates to a metal foil having a rough surface, a carrier-attached metal foil including the metal foil, and a printed circuit board manufactured using the metal foil. The rough surface is naturally formed during formation of the metal foil. The formation of the rough surface allows the metal foil to have a high adhesive strength to an insulating resin substrate and enables the manufacture of a printed circuit board with improved efficiency.

Abstract: A display device includes a display panel foldable with respect to a folding axis substantially parallel to a first direction and a support plate disposed under the display panel and including a folding plate foldable with respect to the folding axis. The folding plate includes at least one first support layer and at least one second support layer. The folding plate has a first elastic modulus corresponding to a bending strength with respect to a second direction intersecting the first direction and a second elastic modulus corresponding to a bending strength with respect to the first direction. The first elastic modulus is smaller than the second elastic modulus.

Abstract: A display device includes a display panel including a first area, a bending area, and a second area, and comprising a plurality of pixels disposed in the first area, a driving chip disposed on an upper surface of the second area of the display panel and electrically connected to the plurality of pixels, a support layer disposed on a lower surface of the first area of the display panel, and a spacer disposed on the lower surface of the first area and overlapping the support layer in a plan view, wherein the spacer comprises an upper layer, a lower layer, and a base layer having a thermal conductivity greater than a thermal conductivity of the upper layer and a thermal conductivity of the lower layer, and in case that the bending area of the display panel is folded, the spacer overlaps the driving chip in a plan view.

Abstract: An electronic device includes: a display panel including a first region having a pixel therein, a bending region bent with respect to a virtual axis, and a second region with the bending region between the first region and the second region, wherein the first region and the second region are configured to face each other in a bent configuration; a lower plate below the display panel; a flexible circuit board connected to the second region, and including insulating layers with an opening portion in at least part thereof, a ground signal line, and a ground pattern exposed from the insulating layers by the opening portion and connected to the ground signal line; a resin layer on a first surface of the flexible circuit board, and covering the opening portion, the resin layer having a flat surface; and an adhesive layer bonding the resin layer to the lower plate.

Abstract: A coil component includes a body including a first surface and a second surface opposing each other in a first direction, a coil portion disposed in the body and including first and second coils, and a via connecting the first and second coils to each other, an insulating film covering the coil portion and extending to a region between the first and second coils, and first and second external electrodes disposed on the body and connected to the coil portion. The insulating film is in contact with at least one of opposing surfaces of the first and second coils which face each other and is in contact with a side surface of the via.

Abstract: A display device includes a display panel including a front surface that displays an image, and a rear surface, wherein the display panel is foldable with respect to a folding axis extending in a first direction; and a metal plate disposed on the rear surface of the display panel, wherein the metal plate includes a first body and a second body that are arranged in a second direction intersecting the first direction; a patterned portion disposed between the first body and the second body to overlap the folding axis in a thickness direction of the display device; and at least one protrusion protruding parallel to the folding axis from an edge of at least one of the first body, the second body, and the patterned portion.

Abstract: Provided is a personal authentication device based on an auditory brainstem response signal. The personal authentication device includes a signal generator, a signal acquirer, and a signal processor. The signal generator may output an auditory stimulus to an ear of a user, using a sound generator. The signal acquirer may acquire a first reference potential corresponding to a first interval, from a first electrode in close contact with the other ear of the user, and acquire a first evoked potential corresponding to the first interval from a second electrode in close contact with the ear, based on the first reference potential. The signal processor may generate a first auditory brainstem response signal, based on the first reference potential and the first evoked potential, generate authentication data for the user from the first auditory brainstem response signal, and compare the authentication data with registration data to authenticate the user.

Abstract: A display device includes a display panel including a first area, a bending area, and a second area, and comprising a plurality of pixels disposed in the first area, a driving chip disposed on an upper surface of the second area of the display panel and electrically connected to the plurality of pixels, a support layer disposed on a lower surface of the first area of the display panel, and a spacer disposed on the lower surface of the first area and overlapping the support layer in a plan view, wherein the spacer comprises an upper layer, a lower layer, and a base layer having a thermal conductivity greater than a thermal conductivity of the upper layer and a thermal conductivity of the lower layer, and in case that the bending area of the display panel is folded, the spacer overlaps the driving chip in a plan view.

Abstract: A display device including: a display module; a first support part and a second support part which are disposed under the display module and spaced apart from each other in a first direction; a first gear connected to each of both sides of the first support part which are opposite each other in a second direction crossing the first direction; and a second gear connected to each of both sides of the second support part which face each other in the second direction, where the second gear is disposed adjacent to the first gear in the first direction and engaged with the first gear. When viewed in the second direction, each of the first gear and the second gear has a shape corresponding to at least a portion of an elliptical shape.

Abstract: A display device includes a display panel having a first area, a second area, and a bendable area between the first area and the second area, wherein the bendable area is bent so that the second area is disposed below the first area, a driving integrated circuit (IC) disposed below the second area, a window disposed on the first area, and a window protection layer disposed on the window, wherein, one side of the window protection layer and one side of the window are spaced apart from a first boundary between the first area and the bendable area in a horizontal direction, and the one side of the window protection layer and the one side of the window are spaced apart from each other in the horizontal direction.

Abstract: The present disclosure relates to a supporting member for a display device, a display device including the same, and a manufacturing method of a supporting member for a display device. The supporting member for the display device according to an embodiment includes: a first region and a second region, and a third region positioned between the first region and the second region and made of a non-metal material. The supporting member includes a plurality of patterns positioned in the third region and adjacent to one another along a first direction and a second direction perpendicular to the first direction, where each of the plurality of patterns extends along the second direction.