Abstract: A method for manufacturing a prefabricated crown including classifying a plurality of prefabricated crowns by type and size by a first module (5) of the table system (1); classifying the plurality of prefabricated crowns by color and material by a second module (7) of the table system (1); tabulating the type, size, color and material data of the prefabricated crowns classified in the above steps (S100, S110) by a third module (9) of the table system (1), and assigning an identification code to each data; a fourth step (S130) of manufacturing the tabulated plurality of prefabricated crowns; and inputting the measured type, size, color and material data of patient's tooth into a fourth module (11) of the table system (1) to select a prefabricated crown corresponding thereto.

Abstract: A display apparatus includes a display panel configured to display an image and a vibration generating device configured to vibrate the display panel. The vibration generating device includes a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions disposed between the plurality of first portions to have flexibility.

Abstract: A vibration apparatus can include a first cover member; a second cover member; a vibration portion between the first cover member and the second cover member; a contact portion between the first cover member and the vibration portion; and a signal cable. The signal cable can include a first signal line connected to a first surface of the vibration portion via the contact portion, and a second signal line connected to a second surface of the vibration portion opposite to the first surface of the vibration portion.

Abstract: A display device is provided. A display device comprises a light emitting element disposed on a substrate, a driving transistor that provides a driving current to the light emitting element according to a voltage of a gate electrode, a first transistor supplying a data voltage to the gate electrode of the driving transistor, a first capacitor comprising a first capacitor electrode electrically connected to a first driving voltage line to which a first driving voltage is applied and a common capacitor electrode electrically connected to a first electrode of the first transistor, and a second capacitor comprising a second capacitor electrode electrically connected to the gate electrode of the driving transistor and the common capacitor electrode of the first capacitor, wherein the first capacitor electrode, the common capacitor electrode, and the second capacitor electrode overlap each other in a thickness direction of the substrate.

Abstract: Provided is a dental blank. The dental blank includes: a seating portion provided in an artificial tooth processing apparatus; and a material portion configured to be inserted into the seating portion, wherein the material portion includes a plurality of outer contacting portions in contact with an inner side of the seating portion, and may have a polygonal shape in a cross-section.

Abstract: Provided is a dental bulk block comprising a crystalline phase includes lithium disilicate as a main crystalline phase and eucryptite as a sub-crystalline phase in an amorphous glass matrix that is a functionally graded material having a main crystalline size gradient with respect to the depth thereof, and having no interface at the point of change in the main crystalline size gradient value, and is useful for manufacturing artificial teeth having structural characteristics similar to those of natural teeth, is facile to machine into an artificial tooth prosthesis due to the inclusion of eucryptite as the sub-crystalline phase compared to when only lithium disilicate exists, and can not only shorten the manufacturing time, but also increase the structural stability in terms of force distribution through functional grading of mechanical properties.

Abstract: A method and apparatus for transmitting and receiving a block acknowledgement (ACK) in a wireless local area network (LAN) system are disclosed. An operation method for a first communication node comprises the steps of: generating a first data frame including first add block acknowledgment (ADDBA) information; transmitting the first data frame to a second communication node; and receiving, from the second communication node, a first receiver address (RA) including second ADDBA information generated by the second communication node in response to the first data frame.

Abstract: A vibration apparatus may comprise a vibration member, and a vibration element configured to vibrate the vibration member and including a vibration part. The vibration part includes a piezoelectric material and an electrostrictive material. The electrostrictive material includes materials repressed by Equations 1 and 2 below. (PbA-BCB)(Mg1/3Nb2/3)aO3??[Equation 1] (PbA-BCB)(D1/3E2/3)bO3??[Equation 2].

Abstract: An operating method of a communication node in a wireless communication network includes: performing a first monitoring operation on a first link and a second link during a preset period; performing a first random backoff operation in the first link for a first random backoff period, if the first link and the second link are in an idle state according to the first monitoring operation; performing, in the second link, a second random backoff operation for a second random backoff period which is different from the first random backoff period in length; and transmitting a frame at a same point in time in the first link and the second link, if the first link is in the idle state according to the first random backoff operation, and if the state of the second link is an idle state according to execution of the second random backoff operation.

Abstract: A secondary battery configured to have a structure in which an electrode assembly is received in a battery case together with an electrolytic material, wherein the battery case is provided therein with a space for receiving the electrode assembly and wherein the battery case is made of a thermoplastic resin, which can be injection-molded. An injection mold may be formed such that the size of the mold corresponds to the thickness of the electrode, thereby solving a problem in which the formability of a conventional laminate sheet including a metal layer is low. In addition, a process of forming the laminate sheet and a process of sealing the battery case using a pressing member, which are essentially required in order to use the laminate sheet, may be omitted, whereby a manufacturing process is simplified and thus productivity is improved.

Abstract: A printed circuit board includes a glass layer, a through-hole penetrating through the glass layer, a seed layer provided along an inner wall of the through-hole, and a through-via disposed on the seed layer and filling the through-hole. The seed layer includes a carbon-based conductive material.

Abstract: Proposed is a console device related to a technology of a console cover opening and closing control structure capable of controlling a console cover in the console device configured such that the console cover is capable of being selectively opened in a front direction or a rear direction so that the console cover is not opened in the other direction when the console cover is opened in any one direction among the front direction and the rear direction.

Abstract: Proposed is a console device having a technology of a console cover opening and closing control structure in which a console cover is operable of being selectively opened in one of a front side and a rear side while maintaining the other side, which is not opened, securely locked.

Abstract: A method for manufacturing a pouch case for a secondary battery includes the steps of: (S1) preparing a pouch exterior for a secondary battery including a structure in which a substrate layer, a barrier layer, and a sealant layer are sequentially stacked; (S2) reducing a modulus of the sealant layer by 20-50%; and (S3) molding the pouch exterior for a secondary battery to form a cup part.

Abstract: A display device that includes a substrate; a circuit layer; and an element layer. The substrate may include a display area in which emission areas may be arranged, and a non-display area. In order to deliver data signals to data lines at side edges of the display area, bypass auxiliary lines are used that pass through central portions of the display area to allow for a reduced width of the sub area. A horizontal portion of these bypass auxiliary lines may pass over or under other data lines to reach the edge portion of the display. Therefore, a shielding auxiliary electrode may be disposed between the passed over data lines and the horizontal bypass auxiliary lines at locations where these other data lines overlap in a plan view the horizontal bypass auxiliary lines to reduce crosstalk between the horizontal bypass auxiliary lines and the data lines.

Abstract: A display device includes: a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a common voltage line connected to the second electrode; and a third electrode and a fourth electrode disposed between the common voltage line and the second electrode.

Abstract: A battery cell evaluation method is provided. The method includes molding a pouch film to form a receiving part to which an electrode assembly is mounted, providing an impact to at least one of corners of the receiving part, storing the pouch film inside a second container together with a first container configured to contain an electrolytic solution, and detecting presence or absence of peeling of an outer layer of the pouch film.

Abstract: A method for manufacturing a pouch case for a secondary battery includes the steps of: (S1) preparing a pouch exterior for a secondary battery including a structure in which a substrate layer, a barrier layer, and a sealant layer are sequentially stacked; (S2) molding the pouch exterior for a secondary battery to form a cup part; and (S3) reducing cracks of the sealant layer of the pouch exterior for a secondary battery.

Abstract: An object of the present disclosure is to prevent burn-in of a display panel by using a combination of RGBW data maintaining the same color and brightness as an original image.

Abstract: A hot-melt adhesive composition includes a styrene-butadiene-styrene triblock copolymer and a styrene-isoprene-styrene triblock copolymer. The hot-melt adhesive composition enables melt processing at a relatively low temperature because of having a low viscosity properties are property and thus exhibits excellent adhesive strength and heat resistance while improving the processability. In particular, the melt adhesive composition has excellent mechanical properties after curing, and thus can be used in various industrial fields.