Abstract: A backlight unit includes: a light source; and a light guide plate including: an upper surface facing a display panel, a lower surface opposing the upper surface, including: a prism pattern area provided in plurality, and a linear pattern area provided between prism pattern areas, and a light incident surface facing the light source. The prism pattern area includes a prism provided in plurality arranged along a first direction perpendicular to the light incident surface, the linear pattern area comprises a linear pattern provided in plurality arranged along a second direction parallel to the light incident surface, and within the prism pattern area, a length of each of the prisms extends in the second direction parallel to the light incident surface, and lengths of the prisms increase as a distance along the first direction from the light incident surface increases.

Abstract: A backlight unit includes: a point light source which generates light, a light guide plate defining upper and lower surfaces thereof opposing one another, a side surface provided in plural each connecting the upper and lower surfaces to each other; and among the plural side surfaces a light-incident side surface thereof at which the point light source is disposed and on which is incident the light generated from the point light source; and a reflective side surface thereof which is adjacent to the light-incident side surface and reflects light within the light guide plate, and which forms a first angle with respect to the light-incident side surface; and a wavelength converting unit between the light guide plate and the point light source.

Abstract: A display device includes: a display panel; a light source; and a light guide plate receiving light from the light source and providing the light to the display panel. The light guide plate includes an upper surface facing the display panel, a light incident surface facing the light source and a light opposing surface opposing the light incident surface. The upper surface includes a lens pattern and the lower surface incudes a prism pattern, the prism pattern includes a plurality of prisms arranged along a first direction from the light incident surface to the light opposing surface, each of the prisms has a length extending in a second direction along a length of the light incident surface, and among the prisms arranged along the first direction within the prism pattern, the lengths of the prisms increase as a distnace from the light incident surface increases.

Abstract: A back light unit includes a light source and a light guide unit having a first surface emitting light to a display panel, a second surface facing the first surface, and a plurality of connecting surfaces connecting the first surface and the second surface. The connecting surfaces includes a first side surface, a second side surfaces and a third side surface between the first side surface and a second side surface, A first included angle of the first incident surface and the first diffusion surface is equal to or greater than about 90 degree.

Abstract: An optical member includes: a light guide part having a first refractive index, where a first area and a second area are sequentially defined on an upper surface of the light guide part in a first direction from a side surface of the light guide part; and a first pattern part disposed on the upper surface of the light guide part, having a second refractive index smaller than a first refractive index of the light guide part, where the first pattern part reflects a portion of light incident from the light guide part. A first area ratio of an overlapping portion of the first pattern part with the first area to the first area is greater than a second area ratio of an overlapping portion of the first pattern part with the second area to the second area.

Abstract: A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size.

Abstract: A display device includes a display panel, a light source, and an optical component including a light guide film and an optical sheet. The optical sheet is coupled to the light guide film to control a path of a light emitted from the light guide film. The optical sheet includes a base film, main optical patterns, and sub-optical patterns. The main optical patterns are disposed between the base film and the light guide film and coupled to the base film and the light guide film. Each of the main optical patterns includes a side surface inclined with respect to the light guide film. The sub-optical patterns are disposed between the base film and the light guide film, coupled to the base film, and spaced apart from the light guide film. Each of the sub-optical patterns has a side surface inclined with respect to the light guide film.

Abstract: A display device includes a display panel, a light source and an optical component which receives light from the light source, outputs the provided light toward the display panel, and includes a light guiding film which guides the light toward the display panel, an optical sheet which is coupled to the light guiding film, and the optical sheet includes a base film and optical patterns disposed between the base film and the light guiding film to adjust the traveling direction of the light, and a reinforcing part filled between the base film and the light guiding film corresponding to a periphery of the optical component.

Abstract: A display device includes a display panel, a light source, and an optical component which provides a light from the light source to the display panel, includes a light guide film and an optical sheet, is coupled to the light guide film and includes a base film and optical layers disposed between the base film and the light guide film to control a traveling direction of the light where each of the optical layers overlaps the base film by a first width, each of the optical layers overlaps the light guide film by a second width, the first width is greater than a height of each of the optical layers, and a value obtained by dividing the second width by the first width is greater than about zero (0) and smaller than about 0.2.

Abstract: A display device includes a light source, a mirror reflection guide member, a diffusion reflection member, and a display panel. The light source extends in a first direction and is configured to emit light. The mirror reflection guide member is configured to: support the light source, and guide at least some of the light to a second direction substantially perpendicular to the first direction. The mirror reflection guide member includes a plurality of guide patterns extending in the second direction and arranged in the first direction. The diffusion reflection member is configured to guide at least some of the light to a third direction substantially perpendicular to the first and second directions. The display panel is disposed on the mirror reflection guide member and the diffusion reflection member and is configured to display an image using the light guided by the diffusion reflection member.

Abstract: A backlight unit includes: a point light source which generates light, a light guide plate defining upper and lower surfaces thereof opposing one another, a side surface provided in plural each connecting the upper and lower surfaces to each other; and among the plural side surfaces a light-incident side surface thereof at which the point light source is disposed and on which is incident the light generated from the point light source; and a reflective side surface thereof which is adjacent to the light-incident side surface and reflects light within the light guide plate, and which forms a first angle with respect to the light-incident side surface; and a wavelength converting unit between the light guide plate and the point light source.

Abstract: A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size.

Abstract: A display device includes a light source, a mirror reflection guide member, a diffusion reflection member, and a display panel. The light source extends in a first direction and is configured to emit light. The mirror reflection guide member is configured to: support the light source, and guide at least some of the light to a second direction substantially perpendicular to the first direction. The mirror reflection guide member includes a plurality of guide patterns extending in the second direction and arranged in the first direction. The diffusion reflection member is configured to guide at least some of the light to a third direction substantially perpendicular to the first and second directions. The display panel is disposed on the mirror reflection guide member and the diffusion reflection member and is configured to display an image using the light guided by the diffusion reflection member.

Abstract: A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size.

Abstract: A display apparatus includes a backlight assembly which provides a light and a display panel which receives the light provided from the backlight assembly to display an image. The backlight assembly includes a light source which generates the light, and a light guide plate. The light guide plate receives the light generated from the light source through an incident surface thereof as an incident light, and outputs the incident light through an exit surface thereof as an exit light. The light guide plate includes a first optical pattern and a second optical pattern. The first optical pattern is disposed corresponding to a first area of the exit surface and collects the incident light. The second optical pattern is disposed corresponding to a remaining second area of the exit surface excluding the first area, and collects the exit light.

Abstract: A display device includes a light source, a mirror reflection guide member, a diffusion reflection member, and a display panel. The light source extends in a first direction and is configured to emit light. The mirror reflection guide member is configured to: support the light source, and guide at least some of the light to a second direction substantially perpendicular to the first direction. The mirror reflection guide member includes a plurality of guide patterns extending in the second direction and arranged in the first direction. The diffusion reflection member is configured to guide at least some of the light to a third direction substantially perpendicular to the first and second directions. The display panel is disposed on the mirror reflection guide member and the diffusion reflection member and is configured to display an image using the light guided by the diffusion reflection member.

Abstract: A back light unit includes a light source and a light guide unit having a first surface emitting light to a display panel, a second surface facing the first surface, and a plurality of connecting surfaces connecting the first surface and the second surface. The connecting surfaces includes a first side surface, a second side surfaces and a third side surface between the first side surface and a second side surface, A first included angle of the first incident surface and the first diffusion surface is equal to or greater than about 90 degree.

Abstract: A back light unit includes a light source and a light guide unit having a first surface emitting light to a display panel, a second surface facing the first surface, and a plurality of connecting surfaces connecting the first surface and the second surface. The connecting surfaces includes a first side surface, a second side surfaces and a third side surface between the first side surface and a second side surface, A first included angle of the first incident surface and the first diffusion surface is equal to or greater than about 90 degree.

Abstract: A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size.

Abstract: A display apparatus includes a light source, a display panel and an optical plate between the light source and the display panel. The optical plate includes a supporting sheet, a first, a second and a third optical layer. The first optical layer is disposed on a bottom surface of the supporting sheet and has a plurality of first protruding portions on a bottom surface of the first optical layer and has a first refractive index. The second optical layer is disposed on the bottom surface of the first optical layer and covers the first protruding portions. The second optical layer has a second refractive index larger than the first refractive index. The third optical layer is disposed on a top surface of the supporting sheet and has a plurality of second protruding portions on a top surface and has a third refractive index smaller than the second refractive index.