Abstract: An embodiment provides a lighting source module. The lighting source module includes: a plurality of first light emitting devices having a first light emitting chip and first phosphor and emitting white light having a first color temperature; a plurality of second light emitting devices having a second light emitting chip and second phosphor, and emitting white light having a second color temperature; and a plurality of circuit boards having the first and second light emitting devices thereon, in which columns of the first light emitting devices and columns of the second light emitting devices are alternately disposed on the circuit boards, and column of light emitting devices emitting white light having the same color temperature are disposed at both ends of the circuit boards.

Abstract: An embodiment discloses a light source module. The disclosed light source module includes: a circuit board; and a plurality of light emitting diodes arranged on the circuit board, wherein the plurality of light emitting diodes include a plurality of first light emitting diodes connected to a power input terminal, and a plurality of second light emitting diodes connected to output ends of the plurality of first light emitting diodes, wherein the plurality of first light emitting diodes are spaced apart from each other, and at least two of the plurality of second light emitting diodes are disposed between the first light emitting diodes, respectively.

Abstract: An embodiment provides a lighting source module. The lighting source module includes: a plurality of first light emitting devices having a first light emitting chip and first phosphor and emitting white light having a first color temperature; a plurality of second light emitting devices having a second light emitting chip and second phosphor, and emitting white light having a second color temperature; and a plurality of circuit boards having the first and second light emitting devices thereon, in which columns of the first light emitting devices and columns of the second light emitting devices are alternately disposed on the circuit boards, and column of light emitting devices emitting white light having the same color temperature are disposed at both ends of the circuit boards.

Abstract: An embodiment discloses a light source module. The disclosed light source module includes: a circuit board; and a plurality of light emitting diodes arranged on the circuit board, wherein the plurality of light emitting diodes include a plurality of first light emitting diodes connected to a power input terminal, and a plurality of second light emitting diodes connected to output ends of the plurality of first light emitting diodes, wherein the plurality of first light emitting diodes are spaced apart from each other, and at least two of the plurality of second light emitting diodes are disposed between the first light emitting diodes, respectively.

Abstract: A lighting device may be provided that comprises: a cover; a member comprising a first placement portion, a second placement portion and a guide disposed between the first placement portion and the second placement portion; a light source module disposed on the first placement portion; a heat sink comprising a first receiver and a second receiver, the first receiver being defined by a flat surface and a plurality of heat radiating fins extending from an edge portion of the flat surface; and a circuitry disposed in the second receiver; wherein the second placement portion is disposed in the first receiver, wherein a first portion of the guide is couple to the cover and a second portion of the guide is couple to the heat radiating fins of the heat sink, and wherein the guide is spaced apart from the flat surface, the guide contacts the heat radiating fins, and the guide is disposed on the heat radiating fins.

Abstract: A light source module including a body in which a light emitting device is disposed may be provided. The body includes: a main body including a top surface, a bottom surface, a first side, and a second side; a first subsidiary body disposed on the first side of the main body; and a second subsidiary body disposed on the second side of the main body. The first subsidiary body includes a first extension part extending from the first side and a second extension part extending from the first extension part. Each of the first extension part and the second extension part has a top surface and a bottom surface. The bottom surface of the first extension part and the bottom surface of the second extension part are disposed on the same plane with the bottom surface of the main body.

Abstract: Disclosed is a lighting device which includes: a cover; a placement portion disposed within the cover; a light source which includes a substrate disposed on the placement portion, a light emitting device disposed on the substrate, and a connector connected to the substrate; a cap which is coupled to both ends of the cover respectively and has at least one opening; a socket including a connection portion which is coupled to the cap and is inserted into the opening of the cap. The connection portion of the socket is inserted into the opening of the cap and is rotated, and then is physically and electrically connected to the connector of the light source. The lighting device according to the embodiment of the present invention can be substituted for a conventional fluorescent lamp. Since the lighting device according to the embodiment of the present invention does not use a wire electrically connecting the socket to the light source, there is no requirement for a soldering process.

Abstract: A light source module including a body in which a light emitting device is disposed may be provided. The body includes: a main body including a top surface, a bottom surface, a first side, and a second side; a first subsidiary body disposed on the first side of the main body; and a second subsidiary body disposed on the second side of the main body. The first subsidiary body includes a first extension part extending from the first side and a second extension part extending from the first extension part. Each of the first extension part and the second extension part has a top surface and a bottom surface. The bottom surface of the first extension part and the bottom surface of the second extension part are disposed on the same plane with the bottom surface of the main body.

Abstract: A lighting device includes a driving unit, a body arranged under the driving unit, a first light emitting module powered by the driving unit and disposed in a first area of the body, a second light emitting module powered by the driving unit and disposed in a second area of the body surrounding the first area, a first reflector surrounding the first light emitting module, and a second reflector surrounding the second light emitting module, and the first reflector. The driving unit controls the first light emitting module and the second light emitting module independently of each other.

Abstract: A lighting device may be provided that includes: a light emitting device; and an optical exciter which is disposed over the light emitting device and emits light excited by the light emitted from the light emitting device, wherein the optical exciter includes at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material, wherein the optical exciter moves over the light emitting device, and wherein a color temperature of the light emitted from the optical exciter varies according to the movement of the optical exciter.

Abstract: Disclosed is a lighting device which includes: a cover; a placement portion disposed within the cover; a light source which includes a substrate disposed on the placement portion, a light emitting device disposed on the substrate, and a connector connected to the substrate; a cap which is coupled to both ends of the cover respectively and has at least one opening; a socket including a connection portion which is coupled to the cap and is inserted into the opening of the cap. The connection portion of the socket is inserted into the opening of the cap and is rotated, and then is physically and electrically connected to the connector of the light source. The lighting device according to the embodiment of the present invention can be substituted for a conventional fluorescent lamp. Since the lighting device according to the embodiment of the present invention does not use a wire electrically connecting the socket to the light source, there is no requirement for a soldering process.

Abstract: A lighting device includes a body, a light emitting module disposed on the body, an optical member disposed on the light emitting module and configured to be movable up and down, and a reflector disposed between the body and the optical member; a shape of the reflector being changed by moving the optical member, such that the light distribution angle and range of light reflected by the reflector and passing through the optical member are adjusted.

Abstract: A lighting device may be provided that comprises: a cover; a member comprising a first placement portion, a second placement portion and a guide disposed between the first placement portion and the second placement portion; a light source module disposed on the first placement portion; a heat sink comprising a first receiver and a second receiver, the first receiver being defined by a flat surface and a plurality of heat radiating fins extending from an edge portion of the flat surface; and a circuitry disposed in the second receiver; wherein the second placement portion is disposed in the first receiver, wherein a first portion of the guide is couple to the cover and a second portion of the guide is couple to the heat radiating fins of the heat sink, and wherein the guide is spaced apart from the flat surface, the guide contacts the heat radiating fins, and the guide is disposed on the heat radiating fins.

Abstract: A lighting device may be provided that includes: a light source including: a member which includes a first placement portion and a second placement portion; a light source module which is disposed in the first placement portion; and a first terminal which is disposed in the second placement portion and is electrically connected to the light source module; and a heat sink including: a first receiver in which the second placement portion of the member is disposed; a second receiver in which a circuitry is disposed; and a second terminal which is disposed corresponding to the first terminal of the light source.

Abstract: A lighting device may be provided that includes: a light emitting device; and an optical exciter which is disposed over the light emitting device and emits light excited by the light emitted from the light emitting device, wherein the optical exciter includes at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material, wherein the optical exciter moves over the light emitting device, and wherein a color temperature of the light emitted from the optical exciter varies according to the movement of the optical exciter.

Abstract: A lighting device may be provided that includes: a light emitting device; and an optical exciter which is disposed over the light emitting device and emits light excited by the light emitted from the light emitting device, wherein the optical exciter includes at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material, wherein the optical exciter moves over the light emitting device, and wherein a color temperature of the light emitted from the optical exciter varies according to the movement of the optical exciter.

Abstract: Disclosed is a lighting device comprising: a driving unit; a body which is disposed under the driving unit and includes one side including a first area and a second area surrounding the first area; a first light emitting module which receives electric power from the driving unit and is disposed in the first area of the body; a second light emitting module which receives electric power from the driving unit and is disposed in the second area of the body; a first reflector which is disposed on the one side of the body and surrounds the first light emitting module; and a second reflector which is disposed on the one side of the body and surrounds the second light emitting module; wherein the driving unit controls the first light emitting module and the second light emitting module independently of each other.

Abstract: A lighting device may be provided that includes: a light emitting device; and an optical exciter which is disposed over the light emitting device and emits light excited by the light emitted from the light emitting device, wherein the optical exciter includes at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material, wherein the optical exciter moves over the light emitting device, and wherein a color temperature of the light emitted from the optical exciter varies according to the movement of the optical exciter.

Abstract: A lighting device may be provided that includes: a light source including: a member which includes a first placement portion and a second placement portion; a light source module which is disposed in the first placement portion; and a first terminal which is disposed in the second placement portion and is electrically connected to the light source module; and a heat sink including: a first receiver in which the second placement portion of the member is disposed; a second receiver in which a circuitry is disposed; and a second terminal which is disposed corresponding to the first terminal of the light source.

Abstract: Disclosed is a lighting device including: a body; a light emitting module which is disposed on the body; an optical member which is disposed on the light emitting module and is installed to be movable up and down; and a reflector which is disposed between the body and the optical member and reflects light emitted from the light emitting module, wherein a shape of the reflector is changed according to the moving of the optical member, and wherein a light distribution angle and a light distribution range of light passing through the optical member are variable depending on the change of the shape of the reflector.