Abstract: Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a display panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) defining a plurality of light emitting areas corresponding to the display areas of the display panel, and an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen. The light guide plate has a plurality of grooves for receiving at least one LED in an under surface thereof.

Abstract: Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a liquid crystal panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) disposed on the bottom surface of the bottom frame, the plurality of LEDs defining a plurality of light emitting areas corresponding to the display areas of the liquid crystal panel, at least one module board supporting the plurality of LEDs, an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen, and an alignment unit for aligning the integrated light guide plate with the plurality of LEDs.

Abstract: Disclosed herein are a light emitting device assembly, a backlight unit and a display device having the same. The light emitting device assembly includes a light emitting device module having a light emitting device disposed on a board, a light guide plate to emit light incident from the light emitting device module in a direction differing from a light incidence direction, and a first fixing cover and a second fixing cover to connect the light emitting device module and the light guide plate. The first fixing cover and the second fixing cover are coupled by fixing members, protrusions are disposed on the second fixing cover at first regions corresponding to the fixing members, and the edge of the second fixing cover at second regions is bent.

Abstract: An optical assembly is provided that may include a light emitting module that includes a plurality of light emitting devices to emit light, a light guide plate, and a side cover. The light guide plate may include at least one protrusion on a top surface of a first part of the light guide plate. The side cover includes a plurality of holes to receive the at least one protrusion.

Abstract: A light source and a display device having the same are provided. The light source may include light guide plates arranged in rows and columns, light emitting diodes (LEDs) positioned below the light guide plates to direct light toward lateral surfaces of the light guide plates, and module substrates that support and provide power to the LEDs. Each of the light guide plates may include a first region divided into a plurality of second regions. LEDs corresponding to each of the second regions may be operated as a unit and independently from other regions.

Abstract: Disclosed are a backlight unit and a display apparatus using the same. The backlight unit includes a light guide plate including first and second grooves, and light source modules disposed within the second grooves. The first grooves are disposed on the upper surface of the light guide plate, and the second grooves are disposed on the lower surface of the light guide plate, and the first grooves are disposed between light sources of the light source module.

Abstract: The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part to receive the light and a second part to output the light through a top surface. The optical assembly may also include a side cover that may fix the light emitting module and a portion of the first part. The side cover may have a plurality of connector holes.

Abstract: Embodiments relate to a backlight unit and a display device with the same. The backlight unit includes a light guide plate having a groove, a light source module arranged in the groove, and a projection from a side of the groove in the light guide plate toward the light source module for guiding a light from the light source module to the light guide plate.

Abstract: Disclosed are a backlight unit and a display apparatus using the same. The backlight unit includes a light guide plate, grooves disposed in the light guide plate, the grooves having at least one inclined surface, light source modules disposed within the grooves, and stoppers disposed between the light source modules and the light guide plate, wherein a cross-sectional area of the grooves is larger than that of the stoppers. The stoppers contact at least one of the side surfaces of the grooves, the bottom surfaces of the grooves and the light source modules.

Abstract: A backlight unit is provided that may include a plurality of optical assemblies arranged in a matrix form, and a cover to receive the optical assemblies. Each optical assembly may separately include: a light emitting module having a plurality of light emitting devices, a light guide plate, and a cover provided over a portion of the light guide plate. The optical assemblies may include a first optical assembly, a second optical assembly and a third optical assembly. A top surface of the second optical assembly may be spaced from a top surface of the first optical assembly in a first direction by a first interval, and a top surface of the third optical assembly may be spaced from the top surface of the first optical assembly in the second direction by a second interval.

Abstract: Disclosed is a backlight unit. The backlight unit includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes defining a plurality of light emitting areas, at least one module substrate provided on the bottom surface of the bottom frame to support at least one light emitting diode and including a connector to supply external power to the light emitting diode, and a integrated light guide plate to bury the light emitting diode therein and provided at the light emitting areas corresponding to one screen image. Dark lines are prevented in the light guide plate and a slim backlight unit is obtained by forming a integrated light guide plate corresponding to a screen image of the display panel in the backlight unit driven by dividing the light emitting areas.

Abstract: A back light unit including a light emitting device assembly is disclosed. The light emitting device assembly includes a light emitting device module having a light emitting device, a light guide plate having a light incidence part disposed adjacent to the light emitting device module so that light generated from the light emitting device is incident upon the light incidence part and a light emission part from which the incident light is emitted, a reflective sheet provided at one side of the light guide plate, and a light adjustment part extending from the reflective sheet for adjusting a reflection amount of the light emitted from the light guide plate.

Abstract: The embodiments provide a backlight unit including a bottom cover, a plurality of light emitting device assembly each having a light emitting device module including at least one light emitting device, the light emitting device assembly arranged on the bottom cover adjacent to one another, a power supply unit for supplying power to the light emitting device module in each of the light emitting device assembly, and a control unit for controlling the power supply unit such that, of the light emitting device modules of the light emitting device assembly, intensity of current supplied to a light emission device positioned at an edge region of each of the light emitting device assembly is different from the intensity of current supplied to the light emission device positioned at a middle region of each of the light emitting device assembly.

Abstract: Disclosed herein are a light emitting device assembly, a backlight unit and a display device having the same. The light emitting device assembly includes a light emitting device module having a light emitting device disposed on a board, a light guide plate to emit light incident from the light emitting device module in a direction differing from a light incidence direction, and a first fixing cover and a second fixing cover to connect the light emitting device module and the light guide plate. The first fixing cover and the second fixing cover are coupled by fixing members, protrusions are disposed on the second fixing cover at first regions corresponding to the fixing members, and the edge of the second fixing cover at second regions is bent.

Abstract: Disclosed is a backlight unit. The backlight unit includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes defining a plurality of light emitting areas, at least one module substrate provided on the bottom surface of the bottom frame to support at least one light emitting diode and including a connector to supply external power to the light emitting diode, and a integrated light guide plate to bury the light emitting diode therein and provided at the light emitting areas corresponding to one screen image. Dark lines are prevented in the light guide plate and a slim backlight unit is obtained by forming a integrated light guide plate corresponding to a screen image of the display panel in the backlight unit driven by dividing the light emitting areas.

Abstract: The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part to receive the light and a second part to output the light through a top surface. The optical assembly may also include a side cover that may fix the light emitting module and a portion of the first part. The side cover may have a plurality of connector holes.

Abstract: Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a display panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) defining a plurality of light emitting areas corresponding to the display areas of the display panel, and an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen. The light guide plate has a plurality of grooves for receiving at least one LED in an under surface thereof.

Abstract: Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a liquid crystal panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) disposed on the bottom surface of the bottom frame, the plurality of LEDs defining a plurality of light emitting areas corresponding to the display areas of the liquid crystal panel, at least one module board supporting the plurality of LEDs, an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen, and an alignment unit for aligning the integrated light guide plate with the plurality of LEDs.

Abstract: Disclosed herein are a backlight unit and a display apparatus using the same. The backlight unit includes at least one light source, a reflection layer to reflect light emitted from the light source, and a plurality of absorption patterns formed on a portion of the reflection layer adjacent to a light emitting surface of the light source, to partially absorb the light emitted from the light source.

Abstract: The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part through which the light is received and a second part to output the light, which is laterally received from the first part, through a top surface thereof. A first side cover may be provided over the light emitting module and the first part of the light guide plate. A second side cover may be formed under the light emitting module and the light guide plate, the second side cover having a plurality of connector holes. The connector may be provided in one of the connector holes.