Abstract: A light emitting module including a printed circuit board, a light emitting device including a light source, and a diffuser, in which the light source includes a first conductivity type semiconductor layer, a mesa including an active layer and a second conductivity type semiconductor layer, and a transparent conductive oxide layer disposed on the mesa, a metal reflection layer electrically connected to the second conductivity type semiconductor layer, and a dielectric layer disposed between the second conductivity type semiconductor layer and the metal reflection layer, the second conductivity type semiconductor layer includes an impurity having a concentration profile with a region where a concentration of the impurity varies along a thickness direction, and the metal reflection layer includes a region spaced apart from the second conductivity type semiconductor layer by the dielectric layer including a region having a thickness in a range between 200 nm and 1000 nm.

Abstract: The present invention relates to a secondary battery in which an electrode tab is improved in mechanical strength and a method for manufacturing the same. Also, the secondary battery according to the present invention includes: an electrode provided with a coating portion coated with an active material on an electrode collector and a non-coating portion on which the active material is not applied to the electrode collector, the non-coating portion being adjacent to the coating portion in a width direction perpendicular to a longitudinal direction of the electrode collector, the non-coating portion having a plurality of notching tabs formed therein such that each of the plurality of notching tabs extends away from the coating portion in a width direction. When the electrode assembly is in the wound state, the plurality of notching tabs are circumferentially distributed about a central axis of the electrode assembly.

Abstract: Example embodiments include a negative electrode for a rechargeable lithium battery, a method of preparing the negative electrode, and a rechargeable lithium battery including the negative electrode. The negative electrode for the rechargeable lithium battery includes a current collector and a negative electrode active material layer on the current collector, wherein the negative electrode active material layer includes a first region in contact with the current collector and a second region on the first region. The first region includes a negative electrode active material, and the second region includes an expandable binder and a negative electrode active material.

Abstract: The present invention relates to a secondary battery in which an electrode tab is improved in mechanical strength and a method for manufacturing the same. Also, the secondary battery according to the present invention includes: an electrode provided with a coating portion coated with an active material on an electrode collector and a non-coating portion on which the active material is not applied to the electrode collector, the non-coating portion being adjacent to the coating portion in a width direction perpendicular to a longitudinal direction of the electrode collector, the non-coating portion having a plurality of notching tabs formed therein such that each of the plurality of notching tabs extends away from the coating portion in a width direction. When the electrode assembly is in the wound state, the plurality of notching tabs are circumferentially distributed about a central axis of the electrode assembly.

Abstract: Provided are cylindrical battery cell impact test methods including disposing a cylindrical battery cell on a base; disposing a magnetic portion of a rod above a surface of the cylindrical battery cell; and dropping a weight toward the rod, and cylindrical battery cell impact test apparatuses therefor.

Abstract: A front part assembly for a mobility device, a front-part-integrated assembly including the same, and a process of assembling the same are disclosed. The front part assembly includes a bumper, a fender, and a hood, which are integrally formed, wherein the bumper and the fender are connected to each other to define an internal space therebetween, and the hood is rotatably connected at a front end thereof to the bumper such that a rear end of the hood is rotated vertically to open and close the internal space. The front-part-integrated mobility device includes the front part assembly and a frame, which is coupled to the front part assembly and is coupled to a cowl and a rear fender. The method includes rotating the hood to open the internal space, coupling the front part assembly to the frame, and rotating the hood to close the internal space.

Abstract: Examples of the disclosure include a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode for the rechargeable lithium battery includes a current collector and a negative electrode active material layer on the current collector, the negative electrode including a negative electrode active material and an additive in which a cellulose-based compound chemically bonds with a compound with an amine group and an OH group via the amine group.

Abstract: Disclosed are an electrode, a preparation method thereof, and a rechargeable lithium battery including the electrode, the electrode including an electrode current collector, and a sliding controller located on an edge area of the electrode current collector, wherein the sliding controller includes a compound having a contact angle of about 30° to about 140°.

Abstract: A semiconductor device includes: a substrate; an active pattern and a field insulating layer surrounding a sidewall of the active pattern on the substrate; first and second gate electrodes on the active pattern and extending in a direction different from that of the active pattern; an interlayer insulating layer surrounding a sidewall of each of the first and second gate electrodes; a gate spacer on opposing sidewalls of each of the first and second gate electrodes that includes a first sidewall and a second sidewall opposite the first sidewall in the first horizontal direction, each of which contacts the interlayer insulating layer; and a first gate cut dividing the second gate electrode into two portions, wherein the first gate cut includes a same material as the gate spacer; and wherein a first width of the first gate cut is smaller than a second width of the gate spacer.

Abstract: A negative electrode for a rechargeable battery includes a base material having a strip shape, a length of the base material in a first direction being relatively shorter than a width of the base material in a second direction intersecting the first direction, and an active material layer on the base material and including an aligned part and a non-aligned part, the active material arranged in the first direction in an order of the non-aligned part, the aligned part, and the non-aligned part, in which the aligned part includes a lower layer and an upper layer stacked on the base material, and alignment directions of the lower layer and the upper layer are different from each other.

Abstract: Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. the negative electrode includes a current collector, a negative active material layer including a first active material layer in contact with the current collector and a second active material layer on the first active material layer, wherein at least one active material layer of the first active material layer and the second active material layer includes pores, the pores including macropores having an average size of about 1 ?m or more and a porosity of the macropores is about 20% or more based on a total porosity 100% of the negative active material layer.

Abstract: A light emitting diode includes a first conductivity type semiconductor layer, a mesa disposed on the first conductivity type semiconductor layer, and including an active layer and a second conductivity type semiconductor layer, and a lower insulation layer covering the mesa and at least a portion of the first conductivity type semiconductor layer exposed around the mesa, and having a first opening for allowing electrical connection to the first conductivity type semiconductor layer and a second opening for allowing electrical connection to the second conductivity type semiconductor layer. The active layer generates light having a peak wavelength of about 500 nm or less, and the lower insulation layer includes a distributed Bragg reflector.

Abstract: Disclosed are a negative active material for a rechargeable lithium battery, a negative electrode including the negative active material, and a rechargeable lithium battery including the same. The negative active material includes crystalline carbon, wherein the crystalline carbon has a Raman spectrum peak intensity ratio (ID/IG) of a peak intensity (ID) of a D peak (about 1360 cm?1 to about 1370 cm?1) relative to a peak intensity (IG) of a G peak (about 1580 cm?1 to about 1590 cm?1) of less than about 0.05.

Abstract: An electrode for a secondary battery may include an electrode collector, a coating portion having an active material coated on the electrode collector, a first non-coating portion on which the active material is not applied to the electrode collector, and a second non-coating portion on which the active material is not applied to the electrode collector. The first non-coating portion may be adjacent to the coating portion in a width direction perpendicular to a longitudinal direction of the electrode collector, the first non-coating portion having a longitudinal dimension extending along the longitudinal direction, the first non-coating portion configured to be bent and electrically coupled to a can member of the secondary battery. The second non-coating portion may be adjacent to the coating portion in the longitudinal direction. The electrode may be stacked into a stack with a separator and a second electrode of an opposite polarity than the electrode.

Abstract: Disclosed herein is a washing machine that includes a tub disposed in a main body of the washing machine to store water. A circulation apparatus includes a circulation pump operable to circulate the water in and out of the tub. A detergent supply apparatus is coupled to the circulation apparatus to discharge detergent to the circulation apparatus so that operation of the circulation pump causes the discharged detergent to be supplied to the tub.

Abstract: The present invention relates to a dental 3Y-TZP zirconia material whose surface is modified by plasma treatment, an implant and a manufacturing method thereof. The 3Y-TZP zirconia material and implant manufactured according to the present invention have improved cell adhesion and antibacterial effects, thereby improving biocompatibility and minimizing inflammatory reactions of the user.

Abstract: The present invention relates to a dental 3Y-TZP zirconia material whose surface is modified by plasma treatment, an implant and a manufacturing method thereof. The 3Y-TZP zirconia material and implant manufactured according to the present invention have improved cell adhesion and antibacterial effects, thereby improving biocompatibility and minimizing inflammatory reactions of the user.

Abstract: A hood-integrated vehicle body in which a hood, a bumper, and a fender are integrally formed into a single component so as to reduce the weight thereof is disclosed. The hood-integrated vehicle body includes a front vehicle body part, which is constructed such that a hood is integrally and rotatably connected to a front portion of the front vehicle body part and is openable at a rear side thereof, a lifting unit mounted to the front part of the vehicle so as to rotate the hood, and a locking unit, which is mounted to the front part of the vehicle so as to selectively engage the hood with the front part of the vehicle such that the engagement of the hood is released so as to allow the hood to be opened by means of the lifting unit upon manipulation for opening the hood.

Abstract: A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode includes a current collector, a negative active material layer including a negative active material, and a coating layer between the current collector and the negative active material layer, the coating layer including an organic metal-based material, and having a pattern shape.

Abstract: Disclosed is a system for transmitting and receiving safety information, which generates first safety information about a control target and second safety information representing the occurrence or not of an error in the control target by using one microcontroller. The system includes a first slave controller generating first safety information and second safety information by using sensing data obtained from a control target and a master controller receiving the first safety information and the second safety information from the first slave controller through a wireless channel. When an error occurs in the first slave controller, the first slave controller transmits the second safety information to a second slave controller, and the second slave controller transmits the second safety information, received from the first slave controller, to the master controller.