Abstract: A backlight assembly is provided. The backlight assembly includes at least one lamp that generates a first light and a light diffusion member that is disposed over the lamp and diffuses the first light to generate a second light having a uniform brightness distribution. The light diffusion member includes a diffusion layer that diffuses the first light and a light path modulation member protruded from the diffusion layer to modulate a path of the first light. The light path modulation member is integrally formed with the diffusion layer.

Abstract: A backlight assembly includes a light guide plate including a light incident face, a light exiting face extended from one end portion of the light incident face, and a reflection face extended from another end portion of the light incident face. The reflection face includes a first reflection face extended from another end portion of the light incident face, and a second reflection face horizontally extended from the first reflection face. The backlight assembly additionally includes a light adsorption member disposed adjacent to the reflection face to prevent the light from reflecting. A reflection plate and optical sheets are disposed adjacent to the light guide plate, so that entire thickness of the backlight assembly is reduced. In addition, leakage of the light incident around the third light exiting face is prevented to improve the quality of the image displayed through the LCD device.

Abstract: An optical unit includes a body, diffusion members and control members. The diffusion members are disposed in the body to diffuse incident light. The control members are disposed in the body to produce diffusion members having substantially uniform sizes. Thus, the optical unit has an enhanced light-diffusing characteristic, thereby improving the uniformity of luminance of light emitted from the optical unit.

Abstract: A liquid crystal display has a mold frame divided into several parts. The liquid crystal display device includes a display unit for displaying an image, a back light assembly having a light source for generating a light, a light guiding plate for guiding the light, and a light focusing portion for focusing the light, and a mold frame divided into a first frame and a second frame. The mold frame receives the display unit and the back light assembly. The first frame receives the light guiding plate and the light focusing portion and the second frame receives the light source. A reflection sheet is integrally formed at an inner surface of the second frame so as to perform the function of a lamp reflector. Accordingly, a lamp cover is not required so that the number of parts and the manufacturing cost are reduced. A lamp can be exchanged by simply separating the second frame from the mold frame, so the fault of the light source caused by the friction with other elements is reduced when exchanging the lamp.

Abstract: There are provided a backlight assembly (200) and an LCD apparatus (110) having the same. A lamp unit (210, 220) is received in a first receiving container (300) having a first bottom surface (350) and a first sidewall (310) so that the lamp unit (210) faces the first sidewall. The lamp unit (210, 220) and the first receiving container (300) are received in a second receiving container (500) having a second bottom surface (550) and a second sidewall (510). A heat transfer member (261, 263) comprised of metal material having superior heat conductivity makes contact with the second receiving container (500) through the lamp unit (210, 220). The heat emitted from the lamp unit (210, 263) and discharged to exterior. Accordingly, the backlight assembly and the LCD apparatus may improve display characteristics thereof.

Abstract: The backlight assembly includes a first lamp unit and a second lamp unit. The first lamp unit generates light. The light guide plate has a light exiting surface, a light reflecting surface and side surfaces. The light reflecting surface surfaces the light exiting surface. The side surfaces connect the light exiting surface and the light reflecting surface. The side surfaces include a first light incident surface. The first lamp unit is disposed adjacent to the first light incident surface, and the first light incident surface inclines inwardly from the light exiting surface to form an inclination angle that is smaller than or substantially equal to (90?2 sin?1(n2/n1))°, wherein ‘n1’ is a refractive index of the light guide plate, and ‘n2’ is a refractive index of a material between the lamp and the light incident surface.

Abstract: Disclosed are a backlight assembly and a liquid crystal display device using the same. A ratio of a pitch, which is an interval between the lamps for supplying light to an LCD panel, to a gap, which is a distance between the center of the lamps and an optical plate, is adjusted to thereby minimize the bright line that badly influences the image display quality, so as to display a high quality image.

Abstract: A light guide plate includes a first surface having a light incident surface and a light reflect surface, a second surface facing the first surface, through which the reflected light exits, a first edge surface connected between edges of the light reflect surface and the second surface, and a second edge surface connected between edges of the light incident surface and the second surface, being opposite to the first edge surface. A light source is disposed on the light incident surface. A light guide plate may also include a stepped edge portion formed at a marginal area of the light guide plate on which a light source is combined. The stepped edge portion includes a light incident surface, a light reflect surface, an upper surface through which the reflected light exits the light guide plate, and a first edge surface connected between edges of the light reflect surface and the upper surface, being opposite to the stepped edge portion.

Abstract: The present invention relates to a prism sheet for a liquid crystal display apparatus having a predetermined pitch on a first side thereof and a plurality of prism mountains formed in parallel with each other, wherein at least one V-shaped groove is formed on a top portion of each of the prism mountains along a lengthwise direction of the prism mountains. Thus, the present invention provides a prism sheet improving vertical incidence with respect to a liquid crystal display panel by concentrating light, and uniformly distributing brightness, and a liquid crystal display apparatus using thereof.

Abstract: The light diffusion member includes a light diffusing body and a light diffusing layer. The light diffusing body includes a polymer mixture obtained by uniformly blending a first polymer having a first glass transition temperature and a second polymer having a second transition temperature higher than the first transition temperature. Alternatively, the light diffusing body includes a copolymer prepared from the first and the second polymer. The light diffusing body diffuses an incident light through a light exiting surface. The light diffusing layer is formed on the light exiting surface of the light diffusing body and includes a binder resin having beads. A back light assembly including the light diffusion member and a liquid crystal display device including the light diffusion member exhibit an improved luminance and an improved light diffusing efficiency.

Abstract: An optical film includes liquid crystal layers and adhesive layers. The liquid crystal layers are disposed at a base substrate. Each of the liquid crystal layers reflects light having a first wavelength and transmits light having a wavelength different from the first wavelength. Each of the adhesive layers is disposed between adjacent ones of the liquid crystal layers to combine the liquid crystal layers.

Abstract: A backlight assembly has a light diffusion member including a diffusion layer for diffusing first light emitted from at least one lamp and a light path modulation layer formed on the diffusion layer to modulate the path of the first light, Therefore, the light diffusion member emits second light having uniform distribution of the brightness. The light path modulation layer may be disposed on one surface of the diffusion layer where the first light is input, or another surface of the diffusion layer where the second light is emitted.

Abstract: A method of forming a backlight assembly is presented. The invention reduces the degradation of display quality caused by an uneven expansion of the reflective sheet in a display device. The reflective sheet may be positioned between the light guiding plate and the base in a backlight assembly of a display device. The backlight assembly includes a light source, a light guiding plate positioned to guide light from the light source in a predetermined direction, a base on which the light guiding plate is mounted, and a reflective sheet positioned between the light guiding plate and the base. The reflective sheet has a cutout. A supporting structure extends through the cutout between the light guiding plate and the base to support the light guiding plate. A liquid crystal display device made with such backlight assembly is also presented.

Abstract: Disclosed herein is a method for producing a transparent or opaque flooring sheet or a flooring using a styrene-butadiene copolymer resin (as a thermoplastic elastomer) by calendering. The flooring causes no problems associated with environmental hormones, and generates no halogen gases or endocrine disruptors, such as dioxin, during incineration. Further, the flooring can be regenerated and reused at any time, and exhibits superior stability upon installation and mounting and excellent elastic restoration after application of stress due to inherent flexibility of rubber.

Abstract: A display device comprises an optical module, a light source unit, a container and a display panel. The optical module comprises at least one optical member and a transparent adhesion member combined with the optical member. The optical member has a first modulus of elasticity, and the transparent adhesion member has a second modulus of elasticity that is substantially identical to the first modulus of elasticity. The light source unit is disposed in a light providing region of the display device to generate a light. The container receives the light source unit and the optical module. The display panel is received in the container and disposed in a display region of the display device. The display panel displays an image based on a light passing through the optical module.

Abstract: An optical film includes liquid crystal layers and adhesive layers. The liquid crystal layers are disposed at a base substrate. Each of the liquid crystal layers reflects light having a first wavelength and transmits light having a wavelength different from the first wavelength. Each of the adhesive layers is disposed between adjacent ones of the liquid crystal layers to combine the liquid crystal layers.

Abstract: A liquid crystal display has a mold frame divided into several parts. The liquid crystal display device includes a display unit for displaying an image, a back light assembly having a light source for generating a light, a light guiding plate for guiding the light, and a light focusing portion for focusing the light, and a mold frame divided into a first frame and a second frame. The mold frame receives the display unit and the back light assembly. The first frame receives the light guiding plate and the light focusing portion and the second frame receives the light source. A reflection sheet is integrally formed at an inner surface of the second frame so as to perform the function of a lamp reflector. Accordingly, a lamp cover is not required so that the number of parts and the manufacturing cost are reduced. A lamp can be exchanged by simply separating the second frame from the mold frame, so the fault of the light source caused by the friction with other elements is reduced when exchanging the lamp.

Abstract: Disclosed is an LCD device including an electromagnetic wave shielding member for shielding the electromagnetic waves generated from electric power applied to lamp of backlight assembly. The shielding member comprising conductive material is coated on surface of a diffusing plate to have mesh shape. The shielding member is filled into groove formed on the surface of the diffusing plate to have mesh shape. Accordingly, the electromagnetic waves may be shielded from the LCD panel. Furthermore, the shielding member makes electrical contact with the chassis of the LCD device through various ground members so as to be connected to an earth potential, thereby being stabilized electrically. Accordingly, display quality of the LCD device is improved. A conductive tape is used as the ground member, and the conductive tape is strongly fixed to the chassis of the LCD device by means of conductive fixing clip or conductive screw.

Abstract: A diffusing reflective polarizing film has a liquid crystal film and a diffusing layer. The liquid crystal film includes a cholesteric liquid crystal diffusely reflecting a first component of a light substantially in parallel with a twisted axis of the cholesteric liquid crystal and transmitting a second component of the light different from the first component. The diffusing layer is attached to the liquid crystal layer to diffuse light from the liquid crystal layer. Thus, the diffusely reflective polarizing film may improve brightness uniformity, thereby preventing a warping phenomenon of the diffusely reflective polarizing film.

Abstract: In a light diffusion unit, a display device having the light diffusion unit, and an apparatus for manufacturing the light diffusion unit, the light diffusion unit includes a diffusion plate and a protruded portion. The diffusion plate has a light diffusion material that diffuses a light. The protruded portion is on the diffusion plate to guide the light diffusion unit so that a central portion of the diffusion plate has a convex shape. Therefore, an image display quality is improved.