Abstract: Provided is a circuit board including: a support substrate including a first region and a second region extending to be bent from the first region; light emitting devices mounted to the first region of the support substrate; and a bending portion bent between the first region and the second region, wherein the bending portion comprises: an interconnection line arrangement portion that crosses an interconnection line; and an interconnection line protection portion disposed on the periphery of the interconnection line, wherein the interconnection line protection portion protrudes more than the interconnection line arrangement portion.

Abstract: Provided is a circuit board including: a supporting substrate; light emitting elements mounted to the supporting substrate; a through hole passing through the supporting substrate; and a connector inserted into the through hole and for supplying an electric current to the light emitting elements.

Abstract: Provided is a printed circuit board, comprising: a supporting substrate including a first region and a second region extending to be bent from the first region; an insulating substrate above the supporting substrate; a bending portion bent between the first region and the second region; and an adhesive layer between the supporting substrate and the insulating substrate and except for the bending portion.

Abstract: Provided is a lighting device, including: a circuit board in which light emitting elements are mounted to one surface of a supporting substrate; a substrate housing disposed to be spaced apart from another surface opposite to the one surface of the supporting substrate; and a distance regulating portion formed between the circuit board and the substrate housing to adjust a spaced distance between the circuit board and the substrate housing according to movement of the circuit board, wherein the distance regulating portion functions to fix the circuit board to the substrate housing via a fixing element formed in the circuit board and the substrate housing.

Abstract: Provided are a circuit board, and a lighting device and board housing module having the circuit board, the circuit board, including a support substrate having a first region and a second region bent from the first region, light emitting devices on the first region, and a protective support portion protruding more than the light emitting devices from the support substrate of the first region.

Abstract: Provided are a printed circuit board a lighting unit including the printed circuit board, the printed circuit board including: a metal substrate; a light emitting element disposed on the metal substrate; and a wiring portion disposed between the light emitting element and the metal substrate.

Abstract: An inorganic filler includes surface-modified boron nitride having a surface on which a polycyclic aromatic hydrocarbon having a functional group is provided.

Abstract: Provided is a printed circuit board, including: a support substrate including a first region in which light emitting elements are mount, a second region extending from the first region, and a bending portion between the first region and the second region, an insulating substrate on the support substrate, wiring portions on the insulating substrate, and a protective layer on the wiring portions.

Abstract: Provided is a circuit board including: a support substrate including a first region and a second region extending to be bent from the first region; light emitting devices mounted to the first region of the support substrate; and a bending portion bent between the first region and the second region, wherein the bending portion comprises: an interconnection line arrangement portion that crosses an interconnection line; and an interconnection line protection portion disposed on the periphery of the interconnection line, wherein the interconnection line protection portion protrudes more than the interconnection line arrangement portion.

Abstract: Provided is a lighting device, including: a circuit board in which light emitting elements are mounted to one surface of a supporting substrate; a substrate housing disposed to be spaced apart from another surface opposite to the one surface of the supporting substrate; and a distance regulating portion formed between the circuit board and the substrate housing to adjust a spaced distance between the circuit board and the substrate housing according to movement of the circuit board, wherein the distance regulating portion functions to fix the circuit board to the substrate housing via a fixing element formed in the circuit board and the substrate housing.

Abstract: Provided is a printed circuit board, comprising: a supporting substrate including a first region and a second region extending to be bent from the first region; an insulating substrate above the supporting substrate; a bending portion bent between the first region and the second region; and an adhesive layer between the supporting substrate and the insulating substrate and except for the bending portion.

Abstract: Provided are a lighting device and a flat panel display having the lighting device, the lighting device, including: a support substrate; a circuit board on the support substrate; light emitting devices mounted on the circuit board; and a light guide plate having a protruding portion protruding to a remaining region except for a region in which the light emitting devices are disposed.

Abstract: Provided is a circuit board including: a supporting substrate; light emitting elements mounted to the supporting substrate; a through hole passing through the supporting substrate; and a connector inserted into the through hole and for supplying an electric current to the light emitting elements.

Abstract: Provided is a lighting unit, including: a support substrate; a light guide plate for guiding light generated from a light source; and a first stopper fixed to the support substrate and configured to support the light guide plate.

Abstract: Provided is a circuit board including: a supporting substrate including a first region to which light emitting elements are mounted and a second region extending to be bent from the first region, wherein the second region comprises: a connector mounting portion to which a connector for supplying an electric current to the light emitting elements is mounted; and a non-mounting portion of a connector separated and spaced apart from the connector mounting portion, wherein the connector mounting portion is formed lower than the non-mounting portion of the connector.

Abstract: Provided is a circuit board including: a support substrate; a plurality of light emitting devices mounted on the support substrate; and a device protection portion surrounding one of the light emitting devices, or three or more surfaces of the plurality of light emitting devices.

Abstract: A cutting tool including a fine and uniform alumina-based substrate is disclosed herein. In an exemplary embodiment, the alumina-based substrate includes 0.1 to 25% by volume of one or more metal oxides, or 5 to 80% by volume of metal carbonitride and 0.01 to 10% by volume of one or more metal oxides. Metal constituting the metal oxide and the metal carbonitride is selected from the group consisting of elements from Groups III to VI (including La group and Ac group) of the periodic table, Mg and Co. The metal oxides added to alumina reside at the boundaries of alumina grains, thereby prohibiting the alumina grains from growing excessively during a sintering process.

Abstract: Provided is a display device. The display device includes a main body, a coupling portion, a first elevating member, a second elevating member, a guide unit, and a base. The main body receives a display module. The coupling portion is connected to a rear side of the main body. The first elevating member is coupled to the coupling portion. The second elevating member is rotatably coupled with respect to the first elevating member. The guide unit supports the first and second elevating members. The base supports the guide unit.

Abstract: A cutting tool including a fine and uniform alumina-based substrate is disclosed herein. In an exemplary embodiment, the alumina-based substrate includes 0.1 to 25% by volume of one or more metal oxides, or 5 to 80% by volume of metal carbonitride and 0.01 to 10% by volume of one or more metal oxides. Metal constituting the metal oxide and the metal carbonitride is selected from the group consisting of elements from Groups III to VI (including La group and Ac group) of the periodic table, Mg and Co. The metal oxides added to alumina reside at the boundaries of alumina grains, thereby prohibiting the alumina grains from growing excessively during a sintering process.

Abstract: A method for fabricating a semiconductor device includes: providing a substrate structure including a bit line and a capacitor formed apart from each other at a different level; forming first, second, and third insulation layers over the bit line, the second insulation layer being a first etch stop layer; forming a second etch stop layer over a top electrode of the capacitor; forming a fourth insulation layer over the third insulation layer and the second etch stop layer; and performing a plurality of etch steps to expose an upper surface of the bit line and an upper surface of the capacitor.