Abstract: A light guide plate includes a light incident surface to which light is incident as incident light, an opposite surface formed opposite to the light incident surface, a light emitting surface through which the incident light is emitted, a rear surface formed opposite to the light emitting surface and including a prism pattern which reflects the incident light to the light emitting surface, and lateral surfaces, wherein a diffuse reflection pattern is formed on at least any one of the light emitting surface and the lateral surfaces to diffuse-reflect light incident to the lateral surfaces, thus rendering a brightness at both the opposite surface and the light incident surface substantially uniform.

Abstract: A flat-type fluorescent lamp includes a lamp body and a first external electrode. The first external electrode is positioned on an end portion of the lamp body. The first external electrode includes a main electrode portion and a first auxiliary electrode portion. The main electrode portion crosses end portions of the discharge spaces. The first auxiliary electrode portion protrudes from the main electrode portion. The first auxiliary electrode portion corresponds to an outer discharge space adjacent to a side of the lamp body. Therefore, a luminance of the flat-type fluorescent lamp may be made more uniform, thereby improving an image display quality. In addition, operation of the flat-type fluorescent lamp at a low temperature may be improved.

Abstract: A backlight assembly, usable in a display device, includes a plurality of light sources and a light guiding plate guiding light emitted from the light sources, wherein the light sources are arranged corresponding to a side of the light guiding plate and the side includes a central portion. The light sources include first light sources as a first group arranged on the central portion of the light guiding plate, and second light sources as a second group adjacent to the first group, wherein a pitch of the first light sources is smaller than a pitch of the second light sources.

Abstract: Disclosed herein are a light guide plate, a backlight assembly including the light guide plate, and a liquid crystal display device including the backlight assembly which can uniformly maintain the brightness uniformity and prevent the moiré phenomenon. The light guide plate in accordance with the present disclosure includes: an incident surface, to which light generated from a light source is incident, including a diffusion pattern formed in a round shape; an emitting surface, through which the light is emitted, including a first prism pattern; and an opposite surface, formed opposite to the emitting surface, including a direction change pattern by which the direction of the light is changed toward the emitting surface.

Abstract: An evaluator credibility based content credibility evaluation apparatus and method thereof are disclosed. A content credibility e valuation method that includes obtaining evaluation information of a content evaluator about content; obtaining credibility of the content evaluator from a user information database; and calculating content credibility based on the credibility of the content evaluator and the evaluation information, allows consideration of the content evaluator's credibility in content credibility evaluation and enhancement of online search engine performance.

Abstract: A backlight assembly, usable in a display device, includes a plurality of light sources and a light guiding plate guiding light emitted from the light sources, wherein the light sources are arranged corresponding to a side of the light guiding plate and the side includes a central portion. The light sources include first light sources as a first group arranged on the central portion of the light guiding plate, and second light sources as a second group adjacent to the first group, wherein a pitch of the first light sources is smaller than a pitch of the second light sources.

Abstract: A backlight assembly includes a light source, a light-guide plate, a reflective sheet, a first prism sheet, a second prism sheet and a lateral reflective sheet. The light source generates light. The light-guide plate guides the light and has a plurality of first prism patterns adjacent to each other. The first prism patterns are formed on a first surface of the light-guide plate. The reflective sheet is disposed adjacent the first surface of the light-guide plate. The first and second prism sheets are disposed on a second surface of the light-guide plate. The lateral reflective sheet is disposed on the second prism sheet. The lateral reflective sheet includes reflective protrusions substantially parallel with a longitudinal direction of the light source. Therefore, brightness and display quality may be enhanced.

Abstract: A flat-type fluorescent lamp and liquid crystal display having minimum pin-shaped holes include a first substrate, a second substrate forming a plurality of discharging spaces together with the first substrate, and external electrodes that cover the outer edge surfaces of the first and the second substrates while perpendicularly extending across the discharging spaces. The second substrate is substantially as thick as the first substrate, especially at the position covered by the external electrodes.

Abstract: In a backlight assembly capable of improving display quality and an LCD apparatus having the backlight assembly, the backlight assembly includes a lamp and an insulating member. The lamp includes a lamp tube and an electrode disposed on an end portion of the lamp tube. The insulating member is combined with the end portion of the lamp so as to surround the electrode and to prevent a heat generated from the electrode from being conducted toward the lamp tube. Therefore, a display quality of the LCD apparatus is improved.

Abstract: An optical plate includes a plate body, a first lens pattern which is depressed on a first surface of the plate body, and a second lens pattern which is projected from a second surface of the plate body. The second lens pattern corresponds to the first lens pattern.

Abstract: In a backlight assembly and a display apparatus having the backlight assembly, the liquid crystal display apparatus includes a liquid crystal display panel and a backlight assembly. The backlight assembly includes a light guide plate and a prism sheet. The light guide plate provides light to the liquid crystal display panel and includes a prism pattern opposite the liquid crystal display panel.

Abstract: A dual prism sheet includes a base film, upper prisms formed on an upper surface of the base film and lower prisms formed on a lower surface of the base film. A cross-section of the upper and lower prisms is formed as an isosceles triangular shape having a base and a vertex angle, and a phase of the upper prisms is delayed between about 0 and about 0.5 times of a prism pitch with respect to a phase of the lower prisms.

Abstract: A liquid crystal display (LCD) includes an image display unit, a backlight unit that supplies light to the display unit, and an optical film unit including a diffusion sheet and a prism sheet disposed between the display and the backlight units. The prism sheet includes right angle prisms and acute angle prisms that are greater in height than the right angle prisms, which are formed together in the prism film. The arrangement of prisms enables light that would otherwise be lost inside of the display to be recycled, thereby providing an increase in the efficiency of light use by the display and an increase in the angle at which light exits it.

Abstract: A backlight assembly apparatus, including a conductive receiving container, a flat fluorescent lamp provided over the conductive receiving container, and an insulating member positioned between the conductive receiving container and the flat fluorescent lamp to provide insulation.

Abstract: A light source device includes a light emitting body, a pair of main electrodes and a pair of sub electrodes. The light emitting body includes discharge spaces disposed substantially parallel to each other. The main electrodes are disposed at opposite end portions of the light emitting body, respectively. The main electrodes induce an electrical discharge of a gas in the discharge spaces between the main electrodes. The sub electrodes are disposed between the main electrodes. The sub electrodes induce an electrical discharge of a gas in the discharge spaces between the sub electrodes. Resultantly, power consumption is reduced and uniformity of luminance is enhanced. Therefore, display quality of the display apparatus is enhanced.

Abstract: A surface light source apparatus (100) includes a main body (105) having a space, and a plurality of space division members (130) being disposed in the space so that the space division members (130) are extended in a first direction and arranged in a second direction spaced apart from one another to divide the space into a plurality of light emitting spaces (112). The space division members (130) include a plurality of connecting holes (132). At least two of the connecting holes (132) have different heights from one another with respect to a bottom surface of the main body (105) to have the light emitting spaces connected to one another through the connecting holes (132). The surface light source apparatus also includes a visible light emitting unit to generate a visible light in the light emitting spaces. Therefore, the brightness-uniformity of the surface light source apparatus and an image display quality of a display device are improved.

Abstract: A flat fluorescent lamp includes a lamp body divided into a plurality of discharge spaces and generating light, an electrode formed on ends of the lamp body and a plurality of heat wires unequally disposed within the discharge spaces.

Abstract: A display device includes a visible light reflecting layer and a fluorescent layer. The visible light reflecting layer transmits an invisible light. The visible light is reflected from the visible light reflecting layer. The fluorescent layer is on the visible light reflecting layer to generate a visible light in response to the invisible light that has passed through the visible light reflecting layer. The fluorescent layer transmits the visible light reflected from the visible light reflecting layer. Therefore, a manufacturing cost is decreased, and an efficiency of light is improved.

Abstract: A surface light source device comprises a lower substrate, a cathode electrode formed on the lower substrate, an electron emitter connected electrically to the cathode electrode, an upper substrate comprising a plurality of space parts and a plurality of space partitioning parts, wherein the plurality of space parts and the lower substrate form an emitting space over the electron emitter and the plurality of space partitioning parts divide adjacent space parts, and a fluorescent layer and an anode electrode formed on the upper substrate.

Abstract: A display device includes a light source member, a diffusion member and a display panel. The light source member generates a bluish light. The diffusion member diffuses the bluish light to increase luminance uniformity. The display panel includes a liquid crystal layer, a fluorescent layer and a reflective-polarizing member (a reflective polarizer). The fluorescent layer generates visible light based on the bluish light received from the liquid crystal layer. The reflective-polarizing member partially reflects the visible light generated from the fluorescent layer toward the fluorescent layer. Therefore, luminance and viewing angle are increased.