Abstract: A backlight assembly includes a first light source unit including n light emitting members; and a light guide plate including a first side adjacent to the first light source unit, and a first groove adjacent to a first end of the first side.

Abstract: A display apparatus includes a light source part, a light guide plate, and a display panel. The light source part includes first light sources and second light sources alternately arranged to emit a light having a color different from a color of a light emitted from the second light sources. The light guide plate includes an incident surface having at least one light incident surface facing the light source to guide the light. The display panel receives the light from the light guide plate to display an image. A distance between end portions of the incident surface and the first and second light sources disposed and corresponding to each end portion of the light incident surface is different from a distance between a center portion of the light incident surface and the first and second light sources disposed and corresponding to the center portion.

Abstract: A backlight assembly includes a first light emitting unit having a first light emitting diode, a second light emitting unit having a second light emitting diode, a third heat conduction member, and a receiving container accommodating the first light emitting unit and the second light emitting unit. The first light emitting unit includes a first heat conduction member connected to the first light emitting diode to absorb a heat from the first light emitting diode, and the second light emitting unit includes a second heat conduction member connected to the second light emitting diode to absorb a heat from the second light emitting diode. A third heat conduction member is connected to the first and second heat conduction members to discharge the heats from the first and second light emitting diodes.

Abstract: A display apparatus includes; a display panel which displays an image using a light, wherein the display panel is divided into a plurality of display areas corresponding to the image, a plurality of main-light source groups which each have a plurality of light sources, wherein the main-light source groups are arranged respectively corresponding to the display areas to provide the light thereto, a power source circuit is connected to each main-light source groups to provide a corresponding driving power to each of the main-light source groups, and a plurality of sub-light source groups, each of which is arranged between two adjacent main-light source groups and wherein each sub-light group receives the driving power applied to each of the two main-light source groups adjacent thereto to provide a light corresponding to an average brightness of the two adjacent main-light source groups to a border area between two adjacent display areas.

Abstract: A method of dimming a light source module including a light guide plate, a first light emitting module including first to k-th light source blocks, wherein the first light emitting module is disposed on a first edge of the light guide plate, and a second light emitting module including first to m-th light source blocks, the second light emitting module being disposed on a second edge of the light guide plate, the second edge disposed opposite the first , the method including; generating a first group of driving signals and a second group of driving signals based on an image signal and driving the first to k-th light source blocks using the first group of the driving signals during a first period in a reference period and driving the first to m-th light source blocks using the second group of driving signals during a second period in the reference period.

Abstract: A liquid crystal display (“LCD”) includes; a liquid crystal panel including a plurality of display blocks, a light-emitting unit which provides light to the liquid crystal panel and includes a plurality of light-emitting blocks corresponding to the display blocks, respectively; and a timing controller which provides an optical data signal for controlling the light-emitting blocks, wherein the optical data signal includes a plurality of scan signals and a plurality of dimming signals which are alternatingly arranged, and each of the dimming signals controls a luminance of a corresponding one of the light-emitting blocks.

Abstract: A light source driving device includes a resolution analyzing part, a dimming block adjusting part, a local dimming part and a light source unit. The resolution analyzing part obtains an image resolution. The dimming block adjusting part adjusts the size or the number of dimming blocks generating light in a local dimming method in response to the resolution. The local dimming part generates a local dimming signal for individually driving the dimming blocks in response to the image data and the size or the number of dimming blocks. The light source unit is driven by the local dimming signal to generate light. The size or the number of the dimming blocks is adjusted to be optimized for the obtained image resolution, so that regardless of the image resolution, a local dimming signal corresponding to the size and the number of the dimming blocks may be generated.

Abstract: In a method of driving a light source, initial driving signals are applied to a plurality of color light sources in response to a power-on signal from an external device. During a predetermined set time period, light amount control signals for controlling an amount of light generated by the color light sources are generated using a predetermined function with reference signals and first sensing signals generating by sensing the amount of the light generated by the color light sources driven by the initial driving signals. Then, compensated driving signals, which are compensated based on the light amount control signal, are applied to the color light sources to compensate the amount of the light generated by the color light sources.

Abstract: A liquid crystal display includes: a signal controller which converts a first image signal having a first gray level based on an original gamma coefficient into a second image signal having a second gray level based on a target gamma coefficient; a liquid crystal panel connected to the signal controller and which displays an image based on the second image signal; and a light-emitting unit connected to the signal controller and which provides light to the liquid crystal panel. The target gamma coefficient is less than or equal to the original gamma coefficient, and a luminance of the light provided by the light-emitting unit is adjusted by the signal controller to minimize an amount of luminance distortion of the image.

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.