Abstract: A backlight assembly comprising: a plurality of fluorescent lamps each including a lamp tube having a fluorescent layer, a discharge gas contained in the lamp tube, a first electrode disposed in the lamp tube, and a conductive terminal capacitively coupled to the first electrode; and a lamp socket which secures the plurality of fluorescent lamps.

Abstract: A light emitting diode package includes a light emitting diode that emits a first light, a fluorescent substance that absorbs the first light and generates a second light having a wavelength different from the first light, and at least one core-shell particle disposed on a surface of the fluorescent substance. The core-shell particle includes a metal particle and an insulating layer coated on a surface of the metal particle. The core-shell particle receives at least one light component of the first light and the second light to induce a surface plasmon resonance.

Abstract: A light-emitting module includes a light guide plate and a light source unit in accordance with an embodiment. The light guide plate include an upper surface, a lower surface facing the upper surface, a plurality of side surfaces connecting the upper surface and the lower surface, and a cross-sectional surface connected to at least one of the side surfaces. The light source unit includes a substrate disposed in correspondence with the cross-sectional surface and a point light source mounted on the substrate to emit light to the cross-sectional surface. Thus, light-emitting efficiency may be enhanced and the arrangement of point light sources may be optimized, so that a required amount of emitted light may be obtained using a small number of the point light sources. In addition, uniformity of luminance and heat-radiating efficiency may also be enhanced.

Abstract: A photonic crystal phosphor includes a phosphor which absorbs light and emits excited light having a radiation spectrum, a first coating layer covering the phosphor and having a first thickness, and a second coating layer covering the phosphor and having a second thickness. The first coating layer has a first refractive index. The second coating layer has a second refractive index. The first coating layer is between the phosphor and the second coating layer.

Abstract: A display apparatus includes a curved display panel having a first curvature; and a plurality of light source units arranged along the first curvature the display panel. Each light source unit includes a reflective part including a reflective upper surface which has a second curvature different from the first curvature of the display panel; and a light source part which is at a first side of the reflective part, and includes a light source which generates and provides a light to the reflective surface.

Abstract: A backlight unit includes a light guide plate including a plurality of light emitting areas and a light source part providing light to the light guide part. The light guide part includes a main light guide part and a sub-light guide part formed as a single piece with the main light guide part or partially overlapped with the main light guide part. A display device includes a display panel displaying an image and the backlight unit.

Abstract: A light source apparatus includes light-emitting blocks, a local dimming control part and a light source driving part driving. The light-emitting blocks include a first-color light source which emits first-color light and a second-color light source which emits second-color light. The second-color light source includes a third-color chip and a fourth-color phosphor disposed on the third-color chip, and is disposed as one package to emit the second-color light therefrom. The local dimming control part compensates a driving current of the first-color light source and a driving current of the second-color light source of each of the light-emitting blocks. The light source driving part drives the first-color light source and the second-color light sources based on the driving current of the first-color light source and the a driving current of the second-color light source, respectively, each compensated by the local dimming control part.

Abstract: A light emitting diode package includes a light emitting diode that emits a first light, a fluorescent substance that absorbs the first light and generates a second light having a wavelength different from the first light, and at least one core-shell particle disposed on a surface of the fluorescent substance. The core-shell particle includes a metal particle and an insulating layer coated on a surface of the metal particle. The core-shell particle receives at least one light component of the first light and the second light to induce a surface plasmon resonance.

Abstract: In a machine-implemented method of local dimming a light source of a light source block for driving the light source block to provide a plurality of image regions with light, duty ratios of a first light source and a second light source adjacent to the first light source are initially determined by using a first target luminance value of a first image region closest to the first light source and a second target luminance value of a second image region closest to the second light source. The initially determined duty ratios are compensated by using a target luminance value of a remaining image region excluding the first and second image regions among the image regions receiving the light generated from the first and second first light sources. The first and second first light sources are driven by using the compensated duty ratios.

Abstract: In a method of manufacturing a backlight assembly, a light reflective and heat-radiating sheet including a light reflective sheet layer to reflect light and a heat-radiating sheet layer are prepared. The heat-radiating sheet layer includes a coupling layer integrally formed with a surface of the light reflective sheet layer and heat-diffusing particles are dispersed in the coupling layer to diffuse heat provided from the exterior. The light reflective and heat-radiating sheet is disposed so that the coupling layer is adhered to a bottom plate of a receiving container. Thus, impurities may be prevented and/or reduced, and assembling efficiency may be improved.

Abstract: A light-emitting module includes a light guide plate and a light source unit in accordance with an embodiment. The light guide plate include an upper surface, a lower surface facing the upper surface, a plurality of side surfaces connecting the upper surface and the lower surface, and a cross-sectional surface connected to at least one of the side surfaces. The light source unit includes a substrate disposed in correspondence with the cross-sectional surface and a point light source mounted on the substrate to emit light to the cross-sectional surface. Thus, light-emitting efficiency may be enhanced and the arrangement of point light sources may be optimized, so that a required amount of emitted light may be obtained using a small number of the point light sources. In addition, uniformity of luminance and heat-radiating efficiency may also be enhanced.

Abstract: A light source apparatus includes light-emitting blocks, a local dimming control part and a light source driving part driving. The light-emitting blocks include a first-color light source which emits first-color light and a second-color light source which emits second-color light. The second-color light source includes a third-color chip and a fourth-color phosphor disposed on the third-color chip, and is disposed as one package to emit the second-color light therefrom. The local dimming control part compensates a driving current of the first-color light source and a driving current of the second-color light source of each of the light-emitting blocks. The light source driving part drives the first-color light source and the second-color light sources based on the driving current of the first-color light source and the a driving current of the second-color light source, respectively, each compensated by the local dimming control part.

Abstract: A light source device includes; a light source module including a plurality of light-emitting blocks, a local dimming driving part, which drives the plurality of light-emitting blocks on the basis of a dimming level of a over light-emitting block, by controlling a dimming level of the over light-emitting block and dimming levels of peripheral light-emitting blocks disposed adjacent to the over light-emitting block to drive the plurality of light-emitting blocks.

Abstract: A backlight assembly comprising: a plurality of fluorescent lamps each including a lamp tube having a fluorescent layer, a discharge gas contained in the lamp tube, a first electrode disposed in the lamp tube, and a conductive terminal capacitively coupled to the first electrode; and a lamp socket which secures the plurality of fluorescent lamps.

Abstract: In a machine-implemented method of local dimming a light source of a light source block for driving the light source block to provide a plurality of image regions with light, duty ratios of a first light source and a second light source adjacent to the first light source are initially determined by using a first target luminance value of a first image region closest to the first light source and a second target luminance value of a second image region closest to the second light source. The initially determined duty ratios are compensated by using a target luminance value of a remaining image region excluding the first and second image regions among the image regions receiving the light generated from the first and second first light sources. The first and second first light sources are driven by using the compensated duty ratios.

Abstract: Provided are a backlight assembly, a display apparatus comprising the same, and a driving method of the liquid crystal display. The backlight assembly includes a pulse width modulation signal output unit receiving a dimming signal and outputting a pulse width modulation signal having a duty ratio corresponding to the dimming signal and having various periods, and a light source emitting light based on the pulse width modulation signal.

Abstract: A backlight unit assembly includes a surface light source with a plurality of first electrode lines extending in a first direction, a plurality of second electrode lines and a plurality of discharge blocks defined in regions where the first and second electrode lines cross each other, respectively; a memory stores discharge/non-discharge data; a luminance calculator calculates luminances of a selected region based on an image signal; and a dimming controller outputs dimming control signals corresponding to the calculated luminances by using the discharge/non-discharge data stored in the memory. A first driving signal is transmitted to one of the first electrode lines, a second driving signal having a different waveform from the first driving signal is transmitted to another of the first electrode lines adjacent the above first electrode line, and a driving voltage is applied to one of the second electrodes lines that crosses the above two first electrode lines.

Abstract: In a method of manufacturing a backlight assembly, a light reflective and heat-radiating sheet including a light reflective sheet layer to reflect light and a heat-radiating sheet layer are prepared. The heat-radiating sheet layer includes a coupling layer integrally formed with a surface of the light reflective sheet layer and heat-diffusing particles are dispersed in the coupling layer to diffuse heat provided from the exterior. The light reflective and heat-radiating sheet is disposed so that the coupling layer is adhered to a bottom plate of a receiving container. Thus, impurities may be prevented and/or reduced, and assembling efficiency may be improved.

Abstract: A light source module includes a plurality of light source units arranged in a matrix form and independently emitting light, and a light source control unit. The light source control unit includes a column control unit supplying a column control signal to a plurality of light source unit columns according to a brightness signal, a row control unit supplying a row control signal to a plurality of light source unit rows according to the brightness signal, and a brightness regulation unit supplying the brightness control signal to the column control unit and the row control unit. The plurality of light source units successively emit light for one frame in a light source column direction or a light source row direction, according to the brightness signal, the column control signal and the row control signal.

Abstract: A lamp and liquid crystal display device having the same include a tube which forms a light emitting space, an electrode main body disposed in an end part of the tube, a dielectric layer formed on the electrode main body and a surface metal layer formed on the dielectric layer. The electrode main body and the dielectric layer form a capacitor which prevents a current imbalance when a plurality of the lamps are connected in electrical parallel to each other and are driven by a transformer.