Abstract: A backlight assembly for an LCD device having a light guide plate that includes at least two thin layers and a plurality of optical sheets sequentially stacked over the rear surface of the liquid crystal panel.

Abstract: A white light generating unit includes an LED structure and a lens structure. The LED structure generates a light. The lens structure has a convex lens or a concave lens. The lens structure has a fluorescent member that receives the light from the LED structure to emit a white light.

Abstract: The present invention relates to an optical sheet and an LCD apparatus using the same. An LCD apparatus according to the present invention comprises an LCD panel to display a picture thereon; a lamp unit emitting light; a light guide plate to guide the light from the lamp unit toward the LCD panel evenly; an optical sheet provided between the LCD panel and the light guide plate and including a condensing layer condensing the light from the light guide plate on the LCD panel, and a reflective polarizing layer attached to the surface of the condensing layer facing the LCD panel and selectively transmitting and reflecting the light condensed by the condensing layer. With this configuration, the present invention provides an optical sheet and an LCD apparatus using the same, in which a bright-line is decreased, brightness are enhanced, and the optical sheet is prevented from shrinking.

Abstract: In a two-way backlight assembly and a two-way LCD apparatus, the two-way backlight assembly provides light emitted from one light source to a first direction where a main LCD panel is placed and to a second direction where a sub LCD panel is placed. Also, a sub mold part for receiving the sub LCD panel comprises a black-colored material so as to prevent reflection of the light. Accordingly, thickness and power consumption of the backlight assembly may be reduced and display quality may be also improved by preventing leakage of the light at ends of the sub LCD panel.

Abstract: A diffusively reflective film includes a base film, a light reflection layer and a light diffusion layer. The base film is flexible. The light reflection layer is disposed on the base film. The light reflection film reflects a first light. The light diffusion layer is disposed on the light reflection layer. The light diffusion layer diffuses the first light to form a second light. The diffusively reflective film may be bent to cover the light guide plate without being broken so as to increase the amount of light. Thus, a display quality is enhanced. Further, the diffusively reflective film covers the first side face, the second side face and the first face of light guide plate at once. Thus, productivity is enhanced and its manufacturing cost is reduced.

Abstract: A line light source includes an illuminating bar having end portions opposite each other, and a light emitting diode disposed on each end portion of the illuminating bar. The end portions of the illuminating bar are each slant with respect to a vertical axis thereof at a predetermined slant angle. The illuminating bar includes a fluorescent material or a phosphorescent material.

Abstract: In a two-way backlight assembly and a two-way LCD apparatus, the two-way backlight assembly provides light emitted from one light source to a first direction where a main LCD panel is placed and to a second direction where a sub LCD panel is placed. Also, a sub mold part for receiving the sub LCD panel comprises a black-colored material so as to prevent reflection of the light. Accordingly, thickness and power consumption of the backlight assembly may be reduced and display quality may be also improved by preventing leakage of the light at ends of the sub LCD panel.

Abstract: The present invention relates to a reflector for a back light assembly and a back light assembly using the same. A reflector for a back light assembly for use in an LCD device comprises a base film; a protrusion of elastic material provided on a surface of the base film; and a reflecting layer deposited on the base film and the elastic protrusion, for reflecting light. With this configuration, the back light assembly prevents damage or deformation due to friction or impact between a light guide plate and the reflector and enhances the brightness of an LCD device.

Abstract: A point light source includes a body, a light-emitting unit and a fluorescent unit. The body includes a bottom portion and a protrusion portion protruded from the bottom portion. The light-emitting unit includes a light-emitting chip disposed at the protrusion to have an inclined-angle with respect to the bottom portion. The fluorescent unit covers the bottom portion, the protrusion portion and the light-emitting chip. The point light source has an emitting-angle of about 180 degrees and luminance difference between a bright-portion and a dark-portion is decreased to enhance display quality of a display device.

Abstract: A display device includes a first display panel including a common electrode disposed thereon, and a second display panel including; thin film transistors (“TFTs”) each including a gate electrode, a source electrode, and a drain electrode, a first passivation layer disposed on the source and drain electrodes, a second passivation layer disposed on the first passivation layer and including at least one sensing protrusion, pixel electrodes disposed on the second passivation layer and connected with the drain electrode, and at least one conductive member disposed on the sensing protrusion.

Abstract: A transflective sheet for a liquid crystal display includes a porous polyolefin-based polymer resin layer. The porous polyolefin-based polymer resin layer may comprise, for example, polyethylene, polypropylene or a combination thereof. Moreover, the porous polyolefin-based polymer resin layer may be manufactured through, for example, a dry or wet stretch process.

Abstract: A power supply module includes a pad and a fixing unit. The pad includes a plurality of anode power supply terminals and a plurality of cathode power supply terminals. The plurality of the anode power supply terminals and the cathode power supply terminals are alternately disposed. The fixing unit is capable of pressing an anode terminal and a cathode terminal of a printed circuit film from a backlight module to electrically connect the anode and cathode terminals to the anode power supply terminal and the cathode power supply terminal, respectively. Therefore, the backlight module having various types of anode and cathode terminals may be tested easily and efficiently.

Abstract: A two-directions light transmission transflective prism sheet, a two-directions backlight assembly, and a two-directions liquid crystal display (LCD) device having the two-directions backlight assembly are provided. The two-directions light transmission transflective prism sheet includes a two-directions light transmission transflective film that reflects some incident light irradiated from a light source and transmits the remainder of the light, and a plurality of prism patterns that are formed on one surface of the two-directions light transmission transflective film to have a predetermined height and a predetermined width.

Abstract: A display device includes a display panel having a first substrate and a second substrate opposite to the first substrate; a transparent film formed on the second substrate; and a buffer layer formed between the second substrate and the transparent film.

Abstract: A backlight assembly includes a light source, a light-guiding plate and a diffusion sheet that includes a first bead layer on a lower surface of the diffusion sheet facing the light-guiding plate, and a second bead layer on an upper surface of the diffusion sheet. To improve image display quality, the hardness of the beads of the first bead layer facing the light guide plate are equal to or less than that of the light guide plate to prevent scratching of the light guide plate.

Abstract: In a backlight assembly and a liquid crystal display apparatus having the same, the backlight assembly includes a light emitting diode that emits light and a light guide plate that supplies the light to a liquid crystal display panel. The light guide plate includes a guide recess formed at a first end thereof so as to guide the light emitted from the light emitting diode to a second end opposite the first end of the light guide plate. Thus, the light guide plate may prevent leakage of the light therefrom, thereby improving display quality of the liquid crystal display apparatus.

Abstract: In a backlight assembly and a liquid crystal display device using the backlight assembly, a lamp assembly is mounted on a receiving container and includes lamps. The lamps are connected in parallel and are turned on by the power voltage supplied from a lamp driving module. Sensors are disposed in the receiving container to face the lamps, and detect operation state of the lamps to output sensing signals. A voltage cut-off module is disposed outside of the receiving container, provides the lamp driving module with a voltage cut-off signal when at least one of the sensing signals has an amplitude smaller than a reference signal. The deterioration of the lamps may be prevented, and the life expectancy of lamps may be increased.

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: 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: A display device is provided. The display device comprises a display panel. The display device further comprises a transparent film disposed on the display panel and a buffer layer having an adhesive characteristic interposed between the transparent film and the second plate.