Abstract: Disclosed is a light source device. The light source device includes: a light guide plate; a reflector disposed under the light guide plate; a light source unit optically coupled to the light guide plate; and a photo luminescent film disposed between the light guide plate and the light source unit, wherein the photo luminescent film includes at least two partitioned areas, and wherein a first fluorescent material included in at least one area of the at least two areas is different from a second fluorescent material included in the other areas.

Abstract: The flat lighting assembly apparatus comprises: a ceiling member; a power supply controller disposed within the ceiling member; a connector coupled to the ceiling member and electrically connected to the power supply; and a flat lighting module coupled to the connector and comprising; a frame including a base, an extension portion extending from the base, a socket disposed on a rear surface of the base, and a guide disposed on the rear surface of the base and disposed around the socket; a light source disposed on a front surface of the base; and a diffusion plate disposed on the light source and coupled to the base, wherein the connector has a insertion groove electrically connected to the socket and comprises a coupling unit coupled to the guide.

Abstract: The lighting module includes: a case including an opening from which light is emitted, a base portion corresponding to the opening, and a seat on at least one side of the base portion; a light source unit disposed on the seat; a light guide plate placed within the case and optically connected with the light source unit; and a diffusing plate placed within the case and placed below the light guide plate, wherein the lighting source unit includes a substrate, a plurality of light emitting diodes (LEDs) disposed on the substrate, and a sub-reflector which is disposed on the substrate and covers the plurality of the LEDs, and wherein at least 90% of the light emitted from the LEDs is directly irradiated onto the light guide plate.

Abstract: The flat lighting assembly apparatus comprises: a ceiling member; a power supply controller disposed within the ceiling member; a connector coupled to the ceiling member and electrically connected to the power supply; and a flat lighting module coupled to the connector and comprising; a frame including a base, an extension portion extending from the base, a socket disposed on a rear surface of the base, and a guide disposed on the rear surface of the base and disposed around the socket; a light source disposed on a front surface of the base; and a diffusion plate disposed on the light source and coupled to the base, wherein the connector has a insertion groove electrically connected to the socket and comprises a coupling unit coupled to the guide.

Abstract: A flat lighting module includes: a frame including a base and an extension portion extending from the base; a light source unit placed on the base that includes a plurality of light emitting devices; and a diffusion plate placed on the light source unit, wherein a light emitting device that is the closest to the extension portion among the plurality of the light emitting devices of the light source unit is disposed separately from the extension portion at a predetermined interval.

Abstract: The lighting module includes: a case including an opening from which light is emitted, a base portion corresponding to the opening, and a seat on at least one side of the base portion; a light source unit disposed on the seat; a light guide plate placed within the case and optically connected with the light source unit; and a diffusing plate placed within the case and placed below the light guide plate, wherein the lighting source unit includes a substrate, a plurality of light emitting diodes (LEDs) disposed on the substrate, and a sub-reflector which is disposed on the substrate and covers the plurality of the LEDs, and wherein at least 90% of the light emitted from the LEDs is directly irradiated onto the light guide plate.

Abstract: A lighting module includes a case including an opening where a light emits from, a base portion corresponding to the opening, and a seat on at least one side of the base portion. The lighting module further includes a light source unit disposed on the seat, a light guide plate placed within the case and optically connected with the light source unit, and a diffusing plate placed within the case and placed below the light guide plate.

Abstract: A flat lighting module includes: a frame including a base and an extension portion extending from the base; a light source unit placed on the base that includes a plurality of light emitting devices; and a diffusion plate placed on the light source unit, wherein a light emitting device that is the closest to the extension portion among the plurality of the light emitting devices of the light source unit is disposed separately from the extension portion at a predetermined interval.

Abstract: Disclosed is a light source device. The light source device includes: a light guide plate; a reflector disposed under the light guide plate; a light source unit optically coupled to the light guide plate; and a photo luminescent film disposed between the light guide plate and the light source unit, wherein the photo luminescent film includes at least two partitioned areas, and wherein a first fluorescent material included in at least one area of the at least two areas is different from a second fluorescent material included in the other areas.

Abstract: Disclosed is a lighting module. The lighting module includes: a case including an opening where a light emits from, a base portion corresponding to the opening, and a seat on at least one side of the base portion; a light source unit disposed on the seat; a light guide plate placed within the case and optically connected with the light source unit; and a diffusing plate placed within the case and placed below the light guide plate.