Abstract: A plurality of point-light sources emits light, based on an image displayed on a display panel. A substrate has the point-light sources disposed thereon. A power-controlling section provides the point-light sources with first driving current having a pulse current with a pulse modulation duty less than or equal to a maximum pulse modulation duty cycle and a first amplitude in accordance with a normal image. A power-controlling section provides the point-light sources with second driving current having a pulse current with the maximum pulse modulation duty cycle and first boosting amplitude greater than the first amplitude in accordance with a high luminance image. Thus, the quantity of emitted light of the point-light sources may be adjusted in accordance with the position of an image displayed in a display panel, and the point-light sources that correspond to high luminance images may be boosted up.

Abstract: A backlight unit assembly, a liquid crystal display having the same, and a dimming method thereof are provided. The dimming method for a liquid crystal display includes setting a plurality of lookup tables, each lookup table having different data for adjusting luminance corresponding to a same grayscale, calculating a grayscale average of a whole liquid crystal display panel and grayscale averages of individual liquid crystal display panel blocks with respect to an image signal input to the liquid crystal display panel, selecting one of the plurality of lookup tables in accordance with the whole grayscale average, and calculating the data for obtaining the luminance corresponding to the individual grayscale averages in the selected lookup table, and adjusting and applying power to a light emitting diode assembly using the calculated data.

Abstract: A bellmouth drawing method includes dividing a scaled-down bellmouth model from the real bellmouth into a plurality of cross-sections, indicating the cross-sections on a scaled-down bellmouth model with curved lines, measuring coordinates of the curved lines, forming cross-sections of the bellmouth model with the measured coordinates, and creating the drawing of the real bellmouth by scaling-up the cross-sectional views.

Abstract: A backlight assembly, which can provide enhanced light emitting efficiency, and a display device, are provided. The backlight assembly includes a light generating unit comprising a substrate and a point light source connected to the substrate, and a receiving container positioned to receive light from the light generating unit, the receiving container comprising an embossing that corresponds to the point light source.

Abstract: A liquid crystal display includes a liquid crystal panel having display blocks arranged in a first matrix thereon, and light-emitting blocks which provide light to the liquid crystal panel. Each of the light-emitting blocks corresponds to a corresponding column of the first matrix and provides the light to a corresponding column of display blocks in the corresponding column of the first matrix. A frame during which an image is displayed on the liquid crystal display is divided into time slots, and a number of the time slots is equal to a number of the corresponding display blocks included in each column of the first matrix. A luminance of the light provided by each of the light-emitting blocks during each time slot of the frame is controlled based on an image data signal supplied to the corresponding column of the first matrix.

Abstract: A backlight unit assembly, a liquid crystal display having the same, and a dimming method thereof are provided. The dimming method for a liquid crystal display includes setting a plurality of lookup tables, each lookup table having different data for adjusting luminance corresponding to a same grayscale, calculating a grayscale average of a whole liquid crystal display panel and grayscale averages of individual liquid crystal display panel blocks with respect to an image signal input to the liquid crystal display panel, selecting one of the plurality of lookup tables in accordance with the whole grayscale average, and calculating the data for obtaining the luminance corresponding to the individual grayscale averages in the selected lookup table, and adjusting and applying power to a light emitting diode assembly using the calculated data.

Abstract: A light-emitting device includes a substrate on which at least one light source region is defined, the light source region having one or more sub-light source regions that are separated from one another by a gap, a plurality of electrode patterns which are respectively formed in the sub-light source regions, a plurality of light-emitting chips which are respectively connected to the electrode patterns, and a plurality of passivations which respectively cover the light-emitting chips, wherein the passivations are separated from each other by the gap. The light-emitting device is thus capable of improving the mixing of light generated by light-emitting chips and the dissipation of heat generated by light-emitting chips.

Abstract: In accordance with embodiments of the present disclosure, a backlight unit assembly is provided with a lamp and a light emitting diode (LED) periodically turned on and off, and a liquid crystal display having the backlight unit assembly. A light source is configured with both the lamp and the LED, and the LED is periodically turned on and off by applying a start signal, which are capable of removing image sticking on a liquid crystal display (LCD) panel. This feature may reduce power consumption and increase contrast ratio. The backlight unit assembly and the LCD are capable of adjusting a chromaticity coordinate of the light source to a reference chromaticity coordinate.

Abstract: A backlight assembly, which can provide enhanced light emitting efficiency, and a display device, are provided. The backlight assembly includes a light generating unit comprising a substrate and a point light source connected to the substrate, and a receiving container positioned to receive light from the light generating unit, the receiving container comprising an embossing that corresponds to the point light source.

Abstract: A backlight assembly, a display apparatus and a method for manufacturing the backlight assembly. The backlight assembly includes a light-guide plate, a point light source unit, a fixing plate and a cover. The point light source unit includes at least one point light source disposed at a side of the light-guide plate, and a flexible printed circuit board (FPC) disposed under the light-guide plate and having the point light source. The fixing plate is disposed under the FPC and has at least one first combining member. The cover is disposed under the fixing plate and has a first surface on which at least one second combining member is formed. The first and second combining members are combined with each other. Thus, assembling time may be decreased, heat may be efficiently dissipated, and manufacturing costs may be decreased.

Abstract: A plurality of point-light sources emits light, based on an image displayed on a display panel. A substrate has the point-light sources disposed thereon. A power-controlling section provides the point-light sources with first driving current having a pulse current with a pulse modulation duty less than or equal to a maximum pulse modulation duty cycle and a first amplitude in accordance with a normal image. A power-controlling section provides the point-light sources with second driving current having a pulse current with the maximum pulse modulation duty cycle and first boosting amplitude greater than the first amplitude in accordance with a high luminance image. Thus, the quantity of emitted light of the point-light sources may be adjusted in accordance with the position of an image displayed in a display panel, and the point-light sources that correspond to high luminance images may be boosted up.