Abstract: A backlight module is applied in a liquid crystal display with a first panel and an opposite second panel and is disposed between the two panels. The backlight module includes a light box, several light sources, a first optical device and a second optical device. The light box has a first side wall, an opposite second side wall and at least one supporting fixture, and the light sources are disposed therein. Both ends of each supporting fixture are connected to the first side wall and the second side wall respectively; each of the light sources is disposed between two adjacent supporting fixtures. The supporting fixtures disposed between the first optical device and the second optical device keeps the two devices spaced with a substantial equal distance where the two devices are disposed alongside a top surface and a bottom surface of the light box separately.

Abstract: A liquid crystal display device includes a liquid crystal display panel, a plurality of fluorescent lamps formed below the LCD panel extending along a first direction at first fixed intervals along a second direction perpendicular to the first direction, a case for supporting the plurality of fluorescent lamps, a plurality of wires attached to the case for absorbing and dissipating heat generated by the plurality of fluorescent lamps, and wire fixing plates for fixing the plurality of wires on the case.

Abstract: A bent fluorescent lamp for backlighting a display providing uniform illumination. A fluorescent lamp is made from a tubular glass envelope having right angles formed therein. The right angles provide improved illumination of a plane surface for backlighting a liquid crystal display. The right angles eliminate dark regions in the illuminated surface. A right-angled bend is also formed at the ends of the fluorescent lamp. An electrode is positioned sufficiently far from a central portion of the lamp so that any dark spaces in the gas discharge of the fluorescent lamp, such as the Faraday dark space associated with a cathode of a lamp are not formed within the central portion. As a result, the central portion of the fluorescent lamp has a uniform brightness or intensity providing improved illumination for backlighting a liquid crystal display. The resulting more uniform illumination with less dark regions results in a more legible display and more accurate information being displayed.

Abstract: A backlight assembly for a liquid crystal display panel, including a lamp housing; a lamp; a diffuser plate; and a plurality of supports. The supports each has first and second members. The first member has a body and a groove formed in the body for holding the lamp and attaching the lamp to the lamp housing. A ring-shape member may be disposed about a section of the lamp for providing cushioning between the lamp and the first member. The second member has an elongated body for supporting the diffuser plate when it attempts to sag or distort.

Abstract: A frequency synchronization device for a large LCD having a plurality of lamps as a background light source is disclosed. The device comprises a power amplification unit arranged in loop, each power amplification unit being electrically coupled to one of the lamps, adapted to generate a synchronous signal, and adapted to send the synchronous signal to the coupled lamp for causing the lamps to operate at the same frequency; a plurality of current sampling elements each electrically coupled to one of the lamps for sampling current thereof; and control means comprising a control element and a diode, the control means being electrically coupled to current sampling elements so as to stabilize the current of the lamps. The connection and circuitry of the device are much simplified and improved.

Abstract: The invention relates to the field of optical devices, in particular liquid crystal imagers, as well as the mirrors associated with these optical devices. The optical device is angled, and includes at least one lamp and a channel guiding at least some of the light coming from the lamp, as well as a mirror in an angled part of the optical device, consisting of a sheet which is folded so that, on the one hand, it can be partially introduced into the channel and, on the other hand, once introduced into the channel and immobilized therein, it can reflect some of the light coming from the lamp into a determined direction. The invention may, in particular, be applied to liquid crystal imagers for military aircraft.

Abstract: A vertical-type backlight unit for flat panel display apparatuses. The vertical-type backlight unit includes a plurality of lamps installed in a housing in substantially parallel manner. A plurality of reflection plates are combined with corresponding lamps to constitute independent lamp module cartridges, each of which is removable from one side of the housing. A diffusing pad/plate is disposed over the plurality of lamp module cartridges for diffusing light. An optical sheet is optionally provided on the diffusing pad/plate.

Abstract: In a liquid crystal display device comprising a pair of linear light source arranged at respective side surface of a light guide plate opposite to one another and having brightness irregularity along longitudinal axes thereof, the present invention arranges the linear light sources to dispose respective ends thereof towards which the brightness thereof is decreased gradually diagonally over a main surface of the light guide plate, and provide two-dimensional optical reflection or diffusion pattern density of which is varied in accordance with the brightness irregularity thereof on at least one surface of the light guide plate, an optical diffusion sheet, or an optical reflection plate. The brightness irregularity appearing in a display screen of the liquid crystal display device due to the brightness irregularity of the linear light source is eliminated by the present invention.

Abstract: A back light includes a first case having a plurality of first and second support members, the first support members at ends of the case and the second support member at a center portion of the case and a plurality of luminescent lamps having tubes supported by the first and second support members, having electrodes at both ends of the tubes. The luminescent lamps are arranged alternately at left and right sides of the second support member.

Abstract: A liquid crystal display (LCD) device having non-white and white light emitting diodes and a liquid crystal display. A spectrum converting material is positioned between non-white LEDs and the LCD to convert the non-white light from the LEDs toward a white light spectrum. The liquid crystal display may include a plurality of light emitting diodes, a light pipe, and a spectrum converting material. The spectrum converting material may be a phosphorized material located between the plurality of non-white light emitting diodes and the light pipe. A light extracting surface may be located near a first surface of the light pipe, a diffuser located near a second side of the light pipe, where the first and second sides are opposite sides of the light pipe, a reflective polarizer, and an liquid crystal display. The light from the light pipe may passes through the diffuser, the reflective polarizer, before backlighting the liquid crystal display. The non-white LEDs may include blue LED, ultraviolet LEDs, and the like.

Abstract: A direct backlight apparatus for a Liquid Crystal Display (LCD) panel includes a lamp housing and a lamp. The lamp housing accommodates a support structure disposed on the bottom of the lamp housing wherein an open end is defined by one side of the lamp housing. The lamp, supported by the support structure, is installed in the lamp housing and is further attached to a holding structure at one end of the lamp, for holding the lamp. The lamp is removed from the lamp housing through the open end by moving along a direction of the support structure when a force is exerted on the holding structure.

Abstract: In a camera and method, a white-compensator propagates neutral light at a preset color temperature independent of a displayed electronic image. The camera has a body and an electronic imager disposed in the body. The imager generates an electronic image responsive to an incident light image. A display is disposed on the outside of the body. The display is operatively connected to the imager. The white-compensator neighbors the display.

Abstract: A liquid crystal display includes a first panel positioned on a front surface of a backlight unit, and a second panel positioned on a back surface of the backlight unit. The backlight unit provides lights to both of the first panel and the second panel, thus enabling either of the panels to display images.

Abstract: A red light source comprising an array of LEDs 102R that emit light of a red color, a green light source comprising an array of LEDs 102G that emit light of a green color, and a blue light source comprising an array of LEDs 102B that emit light of a blue color are deployed about the periphery of a dichroic prism 101. A liquid crystal display element is illuminated by a light source device configured such that the light from the respective light sources is synthesized into white light by the dichroic prism, and projection type liquid crystal display devices and the like are configured.

Abstract: A reflector is incorporated in a liquid crystal display panel for directing light to an optical path from a lamp to a liquid crystal panel, and a high voltage line is directly connected to an electrode of the lamp, but a low voltage line is connected through a conductive pattern formed on the reflector to the other electrode of the lamp, wherein the conductive pattern is formed from a layer of conductive filler printed on the reflector through thermosetting so that the conductive pattern is thick enough to withstand thermal stress without enlargement of the liquid crystal display unit.

Abstract: Current flowing through a plurality of light emission diodes is individually controlled, thereby an image with a desired color is displayed according to color lights emitted from the light emission diodes. A sum of current flowing through the light emission diodes is maintained at a predetermined current, thereby brightness of the image is maintained at a predetermined brightness.

Abstract: An LCD provided with an edge light type back light unit which is arranged in a manner that the light emitted from a CCT in the form of a linear light source is condensed at the end portion of a light conduction plate, then the light reflected by a reflecting sheet and then ejected from the light conduction plate transmits through a light diffusion plate thereby to indirectly irradiate on a liquid crystal panel from the rear direction thereof in the form of planar light with uniform luminance. A light reflecting plate having a curved surface is disposed in the vicinity of the CCT. A light shielding plate is disposed in a manner that a part of the light emitted from the CCT and reflected by the light reflecting plate is condensed at the end portion of the light conduction plate.

Abstract: Disclosed is a backlight assembly and an LCD apparatus having uniform brightness and low power consumption. The backlight assembly has a plurality of lamps for providing light to the LCD panel. Each of the plurality of lamps has two or more sub-lamps connected to each other in series. The backlight assembly has a brightness control unit disposed between the sub-lamps to reduce a brightness difference.

Abstract: A flat fluorescent lamp (1) has a discharge vessel (2) having a base plate (7), a top plate (8) and a frame (9) which are connected to one another in a gas-tight fashion by means of solder (10). Structures resembling conductor tracks function in the interior of the discharge vessel as electrodes (3-6), in the feedthrough region as feedthroughs, and in the external region as external supply leads (13; 14). Flat lamps of the most different sizes can thereby be produced simply in engineering terms and in a fashion capable of effective automation. Moreover, virtually any electrode shapes can be realized, in particular optimized with regard to a uniform luminous density with a reduced drop in luminous density towards the edges of the flat lamp. At least the anodes (5, 6) are covered in each case with a dielectric layer (15). The lamp (1) is preferably operated by means of a pulsed voltage source and serves as background lighting for LCDs, for example in monitors or driver information displays.

Abstract: A color, transmissive LCD uses a backlight that supplies a uniform blue light to the back of the liquid crystal layer in an LCD. The blue light, after being modulated by the liquid crystal layer, is then incident on the back surface of phosphor material located above the liquid crystal layer. A first phosphor material, when irradiated with the blue light, generates red light for the red pixel areas of the display, and a second phosphor material, when irradiated with the blue light, generates green light for the green pixel areas of the display. No phosphor is deposited over the blue pixel areas.

Abstract: A flat lamp for emitting light to a surface area includes a planar cover formed of a transparent material, an anode formed on a rear surface of the planar cover; the rear surface of the planar cover coated with a fluorescent material, a bottom coupled with the rear surface of the cover to form a sealed inner space between the bottom and the rear surface of the cover, a cathode formed on a surface of the bottom internal to the sealed inner space, power supply means electrically connected to the anode and the cathode to supply an external power source, and a plasma-discharging gas injected into the sealed inner space, wherein visible light is produced uniformly over an entire surface of the cover by a reaction between the plasma-discharging gas and an electric field generated between the cathode and the anode.

Abstract: A bent fluorescent lamp for backlighting a display providing uniform illumination. A fluorescent lamp is made from a tubular glass envelope having right angles formed therein. The right angles provide improved illumination of a plane surface for backlighting a liquid crystal display. The right angles eliminate dark regions in the illuminated surface. A right-angled bend is also formed at the ends of the fluorescent lamp. An electrode is positioned sufficiently far from a central portion of the lamp so that any dark spaces in the gas discharge of the fluorescent lamp, such as the Faraday dark space associated with a cathode of a lamp are not formed within the central portion. As a result, the central portion of the fluorescent lamp has a uniform brightness or intensity providing improved illumination for backlighting a liquid crystal display. The resulting more uniform illumination with less dark regions results in a more legible display and more accurate information being displayed.

Abstract: A phosphor composition that comprises at least one phosphor emitting in each of the blue, green, and red regions of the visible spectrum is disposed adjacent to a backlight source of a color liquid crystal display. The phosphor composition emits strongly in the wavelength ranges of color filters used in such display. The backlight source includes either a semiconductor light-emitting diode or an organic light-emitting device.

Abstract: A protective film for protecting a dielectric layer of a plasma display panel from discharge contains a metallic oxide. A volume resistivity of the protective film is 3.5×1011 &OHgr;·cm or more.

Abstract: A flat panel fluorescent lamp includes first and second glass substrates coupled with each other, at least one discharge path formed in the second glass substrate, and at least one pair of electrodes formed at the discharge path.

Abstract: A flat lamp for emitting light to a surface area of a liquid crystal display device includes a bottom having a channel uniformly crossing an entire surface of the bottom, an arc-discharging gas is disposed within the channel, a cover disposed upon an upper junction surface of the bottom, the cover is coated with a fluorescent material, and an electric field generating means for generating an electric field, wherein the electric field generating means is placed along opposing lateral sides of the channel.

Abstract: A color liquid crystal display device is disclosed which is capable of securing sufficient luminance while achieving a high National Television System Committee (NTSC) ratio. Specifically, a liquid crystal display device is disclosed which includes a cold cathode fluorescent light tube as a light source, and a liquid crystal display panel for displaying images by controlling transmission of light from the cold cathode fluorescent light tube. The liquid crystal display panel includes a color filter substrate having color filter layers of red, green and blue, a thin film transistor (TFT) array substrate, and a liquid crystal material filled between the TFT array substrate and the color filter substrate. The cold cathode fluorescent light tube is a tri-phospher fluorescent fluorescent light tube, which utilizes Zn2SiO4:Mn as a green phosphor.

Abstract: The invention provides a transflective liquid crystal display with bright transmissive display. The liquid crystal display includes a liquid crystal cell having a liquid crystal held between a pair of substrates, a transflector disposed inside the liquid crystal cell, a backlight disposed outside the liquid crystal cell, and a retardation film disposed between the liquid crystal cell and the backlight. The backlight includes a light guide plate and a light source, a diffusing polarizer disposed on one surface of the light guide plate and a reflector disposed on the other surface. A retardation film, separate from the above retardation film, is provided between the light guide plate and the reflector of the above backlight.

Abstract: Discloses is a DC type plasma display panel for back light of liquid crystal display device. The disclosed DC type plasma display for back light comprises a rear substrate functioning as a cathode electrode; an anode electrode plate arranged over the rear substrate with a predetermined distance and having a plurality of holes therein; a seal frame sealing the rear substrate and the anode electrode plate by inserting between the rear substrate and the anode electrode plate; a front substrate arranged over the anode electrode plate with a predetermined distance and having a fluorescent layer formed on the down side thereof; a plurality of spacers interposed between the anode electrode plate and the front substrate; a seal paste sealing the edges of the anode electrode plate and the front substrate; and a discharge gas filled in the space between the rear substrate and the front substrate.

Abstract: A liquid crystal color display screen is provided with an electro-optical medium, two parallel transparent substrates by which the electro-optical medium is flanked, a device that influences the transmission state of the electro-optical medium, and a phosphor layer having at least two phosphors on the first substrate. A radiation source emits radiation having a maximum emission at a wavelength &lgr;1 <360 nm. The radiation source is situated at the side of the second substrate. The screen also includes a UV phosphor that transforms the radiation having a maximum emission at a wavelength &lgr;1<360 nm to radiation having a maximum emission at a wavelength &lgr;2>360 nm.

Abstract: A base architecture of LCD backlight shield mainly comprises a frame base, a reflection sheet, and a heat sink, in which the reflection sheet and the heat sink are attached together; the heat sink is snap-retained at a bottom edge of the frame base; a lighting device is inserted between the frame base and the heat sink; and a light-intensity equalizing board is embedded in the top edge of the frame base and held by a check plate fixed in each corner on the front face of the frame base. By using this base architecture, to dissipate the heat generated in the backlight shield and accordingly heighten quality and prolong lifetime of a LCD component is expectable.

Abstract: A liquid crystal display of compact size is disclosed. The liquid crystal display has a tape carrier package and a single integrated PCB for processing a gate driving signal and data driving signal. The tape carrier package includes a base substrate, a gate driver IC formed on said base substrate, an input pattern formed on said base substrate that applies gate driving signals input from an external device to the gate driver IC, a first output pattern formed on said base substrate that outputs a first gate driving signal processed in said gate driver IC, and a second output pattern formed on said base substrate, that outputs a second gate driving signal bypassing the gate driver IC among the gate driving signals.

Abstract: A flat fluorescent lamp is provided with one or more protrusions at the periphery thereof, which protrusion(s) extends outwardly beyond the edges of the two glass plates. A lamp holder receives the protrusion of the flat fluorescent lamp so as to hold the same in a manner that no edges of the two parallel glass plates touch or come into contact with the lamp holder.

Abstract: A display device (10) is comprised of a display unit (14) and a high efficiency backlight assembly (28). The backlight assembly (28) is comprised of an inductively coupled electrodless fluorescent lamp (12) for providing light to the display unit (14). The display unit (14) includes a liquid crystal display (LCD) element (16) for displaying an image and a diffuser (22) for using the light generated by the backlight unit (28) to create a relatively uniform level of brightness over the entire area of the LCD element (16). The electrodless lamp (12) is preferably mounted in a reflective lamp housing (24) having a reflective lamp lining (36) designed to provide uniform illumination intensity on the LCD element (16). The electrodless lamp (12) may have a rectangular shape and a center reflector (44) mounted within the rectangular opening to further direct light toward the LCD element (16).

Abstract: A liquid crystal display which comprises a light guide 2 placed at the back of a liquid crystal display panel 1; a first fluorescent tube 3 disposed along at least one side of the light guide 2; a second fluorescent tube 4 disposed adjacent to the first fluorescent tube 3; and a shielding component 5 for shielding an incoming light directly entering from the second fluorescent tube 4 into the first fluorescent tube 3, to reduce a deterioration of luminance that can occur in a backlight for a liquid crystal display panel.

Abstract: A liquid crystal device is sequentially illuminated with three primary color lights in three primary color illumination steps including an off period (1) before, (2) before and after and (3) after the primary color light period, respectively. As a result, each primary color light illumination step includes a black picture display period corresponding to the off period, whereby motion picture blurring and color splitting can be suppressed without requiring a complicated circuit for generating new data for the black picture display.

Abstract: A method for attaching a cable to a fluorescent tube is provided which is capable of making narrow a width of a plaque edge portion by saving a redundant space in a connected portion in which a fluorescent tube is connected to cables, of improving reliability by enhancing mechanical strength at the connected portion and of reducing counts of components required to reinforce the connected portion and the number of processes necessary for assembly. Each of a pair of cables for supplying power to the fluorescent tube is connected to each of ends of the fluorescent tube. The connected portion in which an end of the fluorescent tube is connected to the cable is molded with a resin to form a resin-molded portion. A holding member fabricated by an injection molding machine is attached to the connected portion. A reflector used to reflect light emitted from the fluorescent tube is integrally attached.

Abstract: The invention describes a liquid crystal color picture screen with an improved luminous efficacy and an improved viewing angle. The liquid crystal color picture screen comprises a photoluminescent layer (7) which contains a dichroically absorbing color agent and an isotropically emitting color agent.

Abstract: A direct type back light device includes a plurality of luminescent lamps, upper and lower lamp holders formed to receive upper and lower opposite ends of the luminescent lamps, a lower support having lower lamp holder recesses for fixing the lower lamp holders, conductive layers formed upon an area of the lower lamp holders and lower support for receiving the lower opposite ends of the luminescent lamps to supply power to the luminescent lamps, an upper support having upper lamp holder recesses for fixing the upper lamp holders, and conductive layers formed upon an area of the upper lamp holders and upper support for receiving the upper opposite ends of the luminescent lamps to supply the power to the luminescent lamps, wherein the lower and upper supports assemble together to fix the lower and upper opposite ends of the luminescent lamps.

Abstract: Light from an EL backlight is used effectively without a condensing unit such as a lens sheet. A liquid crystal display includes a liquid crystal display panel provided with multiple openings allowing adjustable in light transference quantity and an EL backlight being an approximate size of the liquid crystal display panel and irradiating the liquid crystal display panel from the back. Concave luminous parts respectively corresponding to the openings are formed in a luminous layer of the EL backlight. Light generated in the concave luminous part is repeatedly reflected by an inner wall of the concave luminous part and then goes out along the central axis of the concave luminous part, therefore, the light has a strong directivity to the opening corresponding to the concave luminous part.

Abstract: A back light includes a first case having a plurality of first and second support members, the first support members at ends of the case and the second support member at a center portion of the case and a plurality of luminescent lamps having tubes supported by the first and second support members, having electrodes at both ends of the tubes. The luminescent lamps are arranged alternately at left and right sides of the second support member.

Abstract: There is provided a liquid crystal display including (a) a backlight source having a dominant emission peak at 380-420 nm, (b) a first polarization layer for selecting a light directed in a predetermined direction among lights emitted from the backlight source, (c) a second polarization layer for receiving a light selected by the first polarization layer, (d) first and second transparent substrates, (e) first and second transparent electrodes, (f) a liquid crystal layer, and (g) a fluorescent material layer receiving lights from the backlight source and emitting a light therefrom. The second polarization layer is located intermediate between the first and second transparent substrates.

Abstract: A polarized organic photonics device, including an LED or photovoltaic device, is comprised of a first conductive layer or electrode coated with a friction transferred alignment material, a photoactive material, and a second electrically conductive layer or electrode. The alignment material provides for the orientation of the subsequently deposited photoactive material such that the photoactive material interacts with or emits light preferentially along a selected polarization axis. Additional layers and sublayers optimize and tune the optical and electronic responses of the device.

Abstract: A liquid crystal display device has a fluorescent lamp and a driving circuit as a back light. A closed container, a discharge gas sealed in the closed container, first discharge electrodes, and second discharge electrodes are included in the fluorescent lamp. The driving circuit repeats a first step of causing electric discharge in first discharge areas by applying a voltage having a negative polarity to the first discharge electrodes and a voltage having a positive polarity to the second discharge electrodes, and a second step of causing electric discharge in second discharge areas which are different from the first discharge areas by applying a voltage having a positive polarity to the first discharge electrodes and a voltage having a negative polarity to the second discharge electrodes.

Abstract: An illumination apparatus provides an improved light utilization efficiency and improved collimation. The illumination apparatus has a light guide, a collimating unit provided at least on one side of the light guide for collimating rays incident on the light guide, and a light source disposed in the vicinity of the collimating unit and surrounded by a reflector. Preferably, in order for the light guide to be able to emit collimated light uniformly from its emission surface, the light guide has inclined reflecting irregularities or stepwise reflecting plates which are provided directly or via an air gap on a back surface opposite to the emission surface thereof, wherein the inclined reflecting plates are specular-finished at least on the inclined portions.

Abstract: A liquid crystal display (LCD) device having non-white and white light emitting diodes and a liquid crystal display. A spectrum converting material is positioned between non-white LEDs and the LCD to convert the non-white light from the LEDs toward a white light spectrum. The liquid crystal display may include a plurality of light emitting diodes, a light pipe, and a spectrum converting material. The spectrum converting material may be a phosphorized material located between the plurality of non-white light emitting diodes and the light pipe. A light extracting surface may be located near a first surface of the light pipe, a diffuser located near a second side of the light pipe, where the first and second sides are opposite sides of the light pipe, a reflective polarizer, and an liquid crystal display. The light from the light pipe may passes through the diffuser, the reflective polarizer, before backlighting the liquid crystal display. The non-white LEDs may include blue LED, ultraviolet LEDs, and the like.

Abstract: A lamp apparatus for a liquid crystal display that is adaptive for providing a thin-thickness liquid crystal display. In the apparatus, a ground wire is commonly connected to low voltage electrodes of lamps. High voltage wires are connected, in series, to high voltage electrodes of the lamps. A first plug connects at least one of the high voltage wires and the ground wire. A second plug connects the other high voltage wires.

Abstract: There is provided a liquid crystal display including (a) a backlight source having a dominant emission peak at 380-420 nm, (b) a first polarization layer for selecting a light directed in a predetermined direction among lights emitted from the backlight source, (c) a second polarization layer for receiving a light selected by the first polarization layer, (d) first and second transparent substrates, (e) first and second transparent electrodes, (f) a liquid crystal layer, and (g) a fluorescent material layer receiving lights from the backlight source and emitting a light therefrom. The second polarization layer is located intermediate between the first and second transparent substrates.

Abstract: For preventing a luminance drop of a liquid crystal display panel comprising a liquid crystal display panel, a driver circuit of driving the liquid crystal panel, and a luminaire having a fluorescent lamp as one of elements thereof, the present invention provides a heat retaining means for an electrode portion of the fluorescent lamp, and suppresses heat radiation at the electrode portion of the fluorescent lamp so as to secure sufficient amount of mercuric vapor in the whole of the fluorescent lamp.

Abstract: Herein disclosed are a liquid crystal display device and a data processing device, which can have their frame portions reduced in area to reduce the size and weight by extracting the terminals of video signals to only one side of a liquid crystal display panel and by arranging a video signal line driving circuit substrate to be connected with the terminals, only at one side of the display panel. A liquid crystal display includes upper and lower casings for holding a liquid crystal display panel and substrates. The casings are provided with at least one of fixing pawls and recesses for receiving the fixing pawls so as to enable the connection of the casings.