Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes a cathode active material and a conductive material ID/IG is in a range from 0.5 to 1.25 in a Raman spectrum of the cathode active material layer. The cathode active material includes lithium metal oxide particles containing nickel and manganese and having a content of cobalt of less than 2 mol % among all elements except for lithium and oxygen.

Abstract: A case for a rechargeable battery and a rechargeable battery including the case, the case including a sequentially deposited first resin layer and second resin layer, wherein the second resin layer includes a butyl-based resin.

Abstract: A display device includes a backlight unit and a display panel disposed on the backlight unit. The backlight unit includes a light source unit and an optical unit disposed between the light source unit and the display panel. The optical unit includes an alignment layer, quantum rods disposed on the alignment layer, and an accommodation part configured to accommodate the alignment layer and the quantum rods.

Abstract: A flexible secondary battery includes an electrode assembly, a first external cover that is located on a first surface of the electrode assembly, and a second external cover that is located on a second surface of the electrode assembly, the second external cover and the first external cover including a sealing portion where edges of the first external cover and the second external cover are attached to each other to seal the electrode assembly. At least one of the first external cover and the second external cover includes a stress-relief pattern in a center portion.

Abstract: A flexible rechargeable battery includes: a first conductive substrate; a second conductive substrate facing the first conductive substrate; and a sealant at edges of the first conductive substrate and the second conductive substrate. The first conductive substrate includes a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from a first side of the flexible rechargeable battery. The second conductive substrate includes a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially stacked inward from a second side of the flexible rechargeable battery.

Abstract: A display device includes a display panel and a backlight unit. The display panel receives a light to display an image and has a first radius of curvature. The backlight unit is disposed under the display panel to provide the light to the display panel and has a second radius of curvature. The backlight unit includes a plurality of light sources and a plurality of scattering units. The light sources emit the light and the scattering units scatter at least a portion of the light.

Abstract: A display device includes a first display panel including a display surface defined by first and second directions, a second display panel spaced apart from the first display panel in a third direction perpendicular to the display surface, and a backlight unit disposed between the first and second display panels to provide a light to the first and second display panels. The backlight unit includes a light emitting element, a first exit light guide plate, a second exit light guide plate spaced apart from the first exit light guide plate, a first light-division light guide member, and a second light-division light guide member.

Abstract: A battery includes a conductive substrate, the conductive substrate including a first resin layer, a barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from an outermost side of the battery, an exterior member disposed to face the conductive substrate, a sealing portion formed at edges of the conductive substrate and the exterior member, and at least one second inner electrode positioned between the conductive substrate and the exterior member and stacked using a separator as a border.

Abstract: A rechargeable battery includes: an electrode assembly formed by repeatedly stacking first and second electrodes while interposing a separator therebetween, the first and second electrodes each having an uncoated region and a coated region; and a case having a flexible property and accommodating the electrode assembly. The electrode assembly includes a fixing portion where the separator is attached and fixed to the uncoated regions of the first and second electrodes.

Abstract: A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly including a first electrode, a separator, and a second electrode stacked together, wherein the first electrode, the separator, and the second electrode are fixed at a fixing portion on a first side of the electrode assembly. A case accommodates the electrode assembly; and first and second electrode tabs are respectively connected to the first and second electrodes and extend from a first end portion of the case so as to form a tab gap therebetween. Each of the first and second electrode tabs includes first and second adhesive portions opposing each other, at least one wire having a bent portion interconnecting the first and second adhesive portions, and an insulating member covering the bent portion.

Abstract: A rechargeable battery is provided which includes a stacked electrode assembly in a pouch where the electrode assembly changes in length due to an applied bending stress. According to an exemplary embodiment, a rechargeable battery includes: an electrode assembly including a first electrode, a separator, and a second electrode stacked together and the first electrode, the separator, and the second electrode being fixed with respect to each other by a fixed part at one side of the electrode assembly; and a flexible case accommodating the electrode assembly therein, wherein a gap between a free end of the electrode assembly and an inner surface of the case to accommodate a change in length of the electrode assembly at the free end when the electrode assembly is bent.

Abstract: Provided is a structure for a display apparatus. The structure for a display apparatus includes: a chassis having a plate shape and provided with a plurality of through holes; a reflection layer formed on one surface of the chassis: and at least one moisture barrier layer formed on the other surface of the chassis.

Abstract: A display apparatus includes a plurality of prism patterns disposed between a display panel and a light guide plate and having a shape of an inverted triangle, each of the plurality of prism patterns including a first pattern including a first side having a shape of an inverted triangle, which faces the display panel, a second side connecting one end of the first side to a vertex of the inverted triangle disposed under the first side, and a third side connecting the other end of the inverted triangle to the vertex and a second pattern having a refractive index less than that of the first pattern and disposed in the first groove that is defined in the second side to extend in a direction crossing the second side.

Abstract: A display device includes a display panel, a light guide plate disposed under the display panel, a light source which provides a side surface of the light guide plate with incident light, a reflective plate disposed under the light guide plate, a first optical adjustment member which includes first scattering particles which scatter a first color wavelength range of the incident light into a first value and scatter a second color wavelength range of the incident light into a second value, and a second optical adjustment member which includes second scattering particles which scatter the first color wavelength range of the incident light into a third value and scatter the second color wavelength range of the incident light into a fourth value.

Abstract: A flexible secondary battery includes an electrode assembly and external material surrounding the electrode assembly having at least one bonding portion, wherein the external material is bonded to itself at the at least one bonding portion, and the at least one bonding portion extends in a lengthwise direction of the electrode assembly at an edge of the electrode assembly.

Abstract: Disclosed herein is a rechargeable battery capable of maintaining alignment among a positive electrode, a negative electrode, and a separator of an electrode assembly even in the case in which a form thereof is changed or bent. The rechargeable battery includes: an electrode assembly formed by stacking a first electrode, a separator, and a second electrode, and having an alignment groove formed therein; a case having flexibility and accommodating the electrode assembly therein; and an alignment guide protruding from the case and partially coupled to the alignment groove so as to accommodate and guide a change in a length of the electrode assembly depending on bending.

Abstract: A flexible secondary battery includes an electrode stack assembly including a first electrode layer, a second electrode layer, and a separator between the first and second electrode layers; wherein the electrode stack assembly has a first end portion and a second end portion located opposite to the first end portion; and a fixing member fixing the first electrode layer, the separator, and the second electrode layer together; wherein the electrode stack assembly includes a fixing member region in which the fixing member is formed, the fixing member region being located between the first and second end portions of the electrode stack assembly in a first direction, and wherein the first electrode layer, the separator, and the second electrode layer are flexible at both sides of the fixing member.

Abstract: A display device including a backlight unit and a display panel disposed on the backlight unit, wherein the backlight unit includes: a light source unit; and an optical unit, which is disposed between the light source unit and the display panel and includes an organic phosphor layer, the organic phosphor layer including an organic phosphor and a resin in which the organic phosphor is provided, and at least one face of the organic phosphor layer is exposed to air.

Abstract: A display device includes a light source unit which provides light, a light guide plate which includes a plurality of faces, a plurality of optical patterns configured to convert a wavelength of incident light received from the light source unit, and disposed on at least one face of the plurality of faces, and a display panel which is disposed on the light guide plate and configured to display an image by receiving light emitted from the light guide plate, wherein each optical pattern of the plurality of optical patterns includes an optical resin including an organic phosphor which converts the wavelength of the incident light, and a base material.

Abstract: A display apparatus includes a plurality of prism patterns disposed between a display panel and a light guide plate and having a shape of an inverted triangle, each of the plurality of prism patterns including a first pattern including a first side having a shape of an inverted triangle, which faces the display panel, a second side connecting one end of the first side to a vertex of the inverted triangle disposed under the first side, and a third side connecting the other end of the inverted triangle to the vertex and a second pattern having a refractive index less than that of the first pattern and disposed in the first groove that is defined in the second side to extend in a direction crossing the second side.