Abstract: A backlight assembly that is adapted for use with an image displaying flat panel includes a light guide plate assembly and one or more light sources disposed under the light guide plate assembly. An upper portion of the light guide plate assembly is overlapped by a display area of the flat panel while a lower portion is disposed under the upper portion, and includes light guiding material for redirecting sourced light as well as reflectors for also redirecting light sourced from small, light sourcing areas underneath the upper portion for redistribution into the larger area of light guiding material provided in the upper portion of the light guide plate assembly. The upper portion also has one or more light reflectors. In one embodiment, opposed ones of light sources are angled so they don't shine light directly into one another.

Abstract: A light guide plate for a backlight. The light guide plate includes: a light source unit for generating light; a light guide plate proximate to the light source unit and including an upper surface and a lower surface; and a light emission pattern configured to diffuse a portion of the light directed toward an image display panel, and a first straight pattern configured to channel the light along a direction substantially parallel to a direction of propagation of the light generated by the light source unit, both the light emission pattern and the first straight pattern being disposed on one of the upper surface and the lower surface of the light guide plate, in which the first straight pattern has peaks and valleys formed in alternating and repeating manner in a direction substantially perpendicular to a direction of propagation of the light generated by the light source unit.

Abstract: An optical plate having improved light scattering power, a method of manufacturing the same and a liquid crystal display having the same. An optical plate includes a base material layer, and a lens portion having a plurality of unit lenses formed on one surface of the base material layer, each of the unit lenses having a convex shape, wherein a diffusion portion is formed in each of the unit lenses. The amount and cost of the light diffusing agent can be reduced, light transmittance can be improved, light uniformity can be enhanced without occurrence of bright lines, and intensity of light to be viewed is improved, thereby enhancing luminance.

Abstract: A backlight assembly includes a plurality of light sources emitting light and a diffusion plate. The diffusion plate includes an incident surface on which the light is incident, an exit surface which is opposite the incident surface and from which the light exits, and first and second lens patterns which are disposed on the exit surface and have different shapes from each other. Each of the first lens patterns includes a first curved portion which forms a curve and first linear portions which extend from both ends of the first curved portion, respectively. Each of the second lens patterns includes a second curved portion which forms a curve and second linear portions which extend from both ends of the second curved portion, respectively.

Abstract: A backlight assembly includes a plurality of lamps, a multi-plate diffusion member, optical sheets and a receiving container. The lamps have a rod shape extended in a first direction, and are arranged along a second direction that is substantially perpendicular to the first direction. The diffusion member is disposed above the lamps and has at least two optical plates. Each of the optical plates includes a plurality of optical patterns on a surface facing away from the lamps. The optical patterns are extended in the first direction and aligned along the second direction. The optical sheets are disposed above the diffusion member to improve optical characteristics of passed through light. The receiving container includes a reflective bottom plate and a sidewall formed on an edge of the bottom plate to receive the lamps, the diffusion member and the optical sheets.

Abstract: A method of manufacturing an optical plate, includes forming a protrusion on a base film by jetting ink containing a liquid resin on the base film, contacting a light guiding plate to the protrusion, and curing the protrusion which contacts with the light guiding plate.

Abstract: In a light-emitting assembly and a display apparatus having the light-emitting assembly, the light-emitting assembly includes a light guide plate, a first light-emitting module and a second light-emitting module. The light guide plate includes a first surface, a second surface facing the first surface and including a light incident portion and a light exiting portion, and a third surface connecting the first surface with the second surface and inclined toward the first surface. The first light-emitting module is on the light incident portion of the second surface and emits a first light to the light incident portion. The second light-emitting module faces the third surface and emits a second light having a wavelength different from the first light, to the third surface.

Abstract: A light source assembly includes first light sources emitting first light in a first wavelength range, second light sources emitting second light in a second wavelength range which is at least partially different from the first wavelength range, and an optical member on which light emitted from the first light sources and the second light sources is incident. A distance between adjacent first light sources, and a distance between adjacent second light sources is defined as an average pitch. The average pitch of the second light sources arranged in a specific direction, is larger than the average pitch of the first light sources arranged in the specific direction. The optical member has a reflectance with respect to the second light, which is larger than a reflectance with respect to the first light.

Abstract: A backlight assembly includes; light sources which emit light, a diffusion plate including an incident surface on which the light is incident, an exit surface which is disposed substantially opposite to the incident surface and from which the light exits, and a lens pattern which is disposed on the exit surface, and an optical sheet which overlaps the diffusion plate and includes a prism pattern on a top surface thereof, wherein each lens of the lens pattern includes a first curved portion which forms part of a curve and first linear portions which extend from both ends of the first curved portion, respectively, and each prism of the prism pattern includes a second curved portion at an apex thereof.

Abstract: In a backlight assembly and a display device including the backlight assembly, the backlight assembly includes a light dispersion member and a light source having a plurality of light source members, a distance defined between the light sources members adjacent to each other. The light dispersion member includes a lower face portion having alternately arranged ridges and grooves. Each light source is positioned under a respective ridge. An interval between a center of each light source and the respective ridge positioned directly over the light source is from about 0.2 to about 0.55 times the distance.

Abstract: A diffusion plate that is capable of improving a display quality, and a backlight assembly and a liquid crystal display (“LCD”) including the same are disclosed. The diffusion plate includes a base layer including of a first optically transparent resin and a first coating layer provided on a first surface of the base layer. The first coating layer includes a second optically transparent resin and random embossings. The first surface including the embossings has a 60° gloss of 15% or less. A method of forming a diffusion plate includes forming a base layer including a first optically transparent resin, providing random embossings on the base layer and sizing the diffusion plate to predetermined dimensions.

Abstract: A backlight assembly includes a light source and an optical member disposed over the light source and including a surface that has a plurality of lens-shaped portions and at least one prism-shaped portion.

Abstract: An optical plate includes a main body plate, and a plurality of lens patterns formed on a first surface of the main body plate, wherein the lens patterns are elongated in a first direction and arranged in parallel with each other in a second direction crossing the first direction, wherein a cross section of the lens patterns form a part of an ellipse shape, the ratio of a semi-major axis to a semi-minor axis of the ellipse shape ranging from about 1.65 to about 1.75.

Abstract: A backlight assembly includes a plurality of light sources emitting light and a diffusion plate. The diffusion plate includes an incident surface on which the light is incident, an exit surface which is opposite the incident surface and from which the light exits, and first and second lens patterns which are disposed on the exit surface and have different shapes from each other. Each of the first lens patterns includes a first curved portion which forms a curve and first linear portions which extend from both ends of the first curved portion, respectively. Each of the second lens patterns includes a second curved portion which forms a curve and second linear portions which extend from both ends of the second curved portion, respectively.

Abstract: A backlight assembly includes; light sources which emit light, a diffusion plate including an incident surface on which the light is incident, an exit surface which is disposed substantially opposite to the incident surface and from which the light exits, and a lens pattern which is disposed on the exit surface, and an optical sheet which overlaps the diffusion plate and includes a prism pattern on a top surface thereof, wherein each lens of the lens pattern includes a first curved portion which forms part of a curve and first linear portions which extend from both ends of the first curved portion, respectively, and each prism of the prism pattern includes a second curved portion at an apex thereof.

Abstract: A liquid crystal display comprises a liquid crystal display panel; a light source to provide light to the liquid crystal display panel; and a light controlling assembly disposed between the light source and the liquid crystal display panel, the light controlling assembly comprising at least one first light controlling member, at least one second light controlling member disposed on the first light controlling member and an light curing agent disposed on an edge part between the first light controlling member and the second light controlling member to adhere the first light controlling member and the second light controlling member to each other, the first light controlling member and the second light controlling member having an air layer therebetween.

Abstract: In a light modulating plate, a backlight assembly having the light modulating plate and a display device having the light modulating plate, the light modulating plate includes a light modulating layer and a light characteristics improving member. The light modulating layer includes a foam layer to modulate a light. The light characteristics improving member is integrally formed with the light modulating layer to improve optical characteristics of the light that has passed through the light modulating layer. Therefore, the backlight assembly is easily fabricated, and an image display quality is improved.

Abstract: A backlight assembly includes a plurality of lamps, a multi-plate diffusion member, optical sheets and a receiving container. The lamps have a rod shape extended in a first direction, and are arranged along a second direction that is substantially perpendicular to the first direction. The diffusion member is disposed above the lamps and has at least two optical plates. Each of the optical plates includes a plurality of optical patterns on a surface facing away from the lamps. The optical patterns are extended in the first direction and aligned along the second direction. The optical sheets are disposed above the diffusion member to improve optical characteristics of passed through light. The receiving container includes a reflective bottom plate and a sidewall formed on an edge of the bottom plate to receive the lamps, the diffusion member and the optical sheets.

Abstract: An optical plate having improved light scattering power, a method of manufacturing the same and a liquid crystal display having the same. An optical plate includes a base material layer, and a lens portion having a plurality of unit lenses formed on one surface of the base material layer, each of the unit lenses having a convex shape, wherein a diffusion portion is formed in each of the unit lenses.

Abstract: An optical plate includes a main body plate, and a plurality of lens patterns formed on a first surface of the main body plate, wherein the lens patterns are elongated in a first direction and arranged in parallel with each other in a second direction crossing the first direction, wherein a cross section of the lens patterns form a part of an ellipse shape, the ratio of a semi-major axis to a semi-minor axis of the ellipse shape ranging from about 1.65 to about 1.75.