Abstract: A projection-type display apparatus, being suitable to be applied as a light source of a solid-state light source, in the place of a conventional lamp, comprises : a light source unit, which is configured to emit a white-color light therefrom; a light separation optic system, which is configured to separate the white color light from the light source unit into three primary color lights, red-color (R), green-color (G) and blue-color (B); R, G and B light modulating portions, each of which modulates each of R, G and B polarized lights separated, depending on a video signal, respectively; a light composing unit, which is configured to compose optical images, which are formed by the R, G and B light modulating portions; and a projecting portion, which is configure to project the optical image composed, enlargedly, wherein the light source unit emits a white color light emitting from a nearly point-like light source, including an excitation light from a solid-state light emitting element therein.

Abstract: A backlight assembly for a liquid crystal display includes: one U-shaped lamp; a lamp housing including the lamp; a side supporter fastened to the lamp housing and including an inserting part where the lamp is inserted; and a lamp support member that supports and fixes the lamp within the inserting part of the side supporter.

Abstract: A method for connecting lamps and an external power supply in a liquid crystal display is disclosed. The liquid crystal display comprises: a liquid crystal panel; a plurality of lamps for generating light to be irradiated onto the liquid crystal panel; a common board including a common electrode contacting the electrodes of the lamps; a bottom cover accommodating the lamps and the common board; and a socket connector provided at one side of the common board and electrically connecting an external power supply and the common electrode, wherein an electrical contact portion of the socket connector is exposed to the outside by a through hole passing through the common board and the bottom cover.

Abstract: A color liquid crystal display device having high color reproduction is provided, which includes a liquid crystal display element and a backlight unit. The liquid crystal display element includes a color filter having a blue filter segment, a green filter segment, and a red filter segment. The blue filter segment is prepared from a blue photosensitive resin composition which includes a blue pigment combination, a red dye component, an alkali-soluble resin, a compound having at least one ethylenically unsaturated group, a photoinitiator, and a solvent. The blue pigment combination includes a copper phthalocyanine-based blue pigment. The backlight unit is coupled to the liquid crystal display element and has a color temperature ranging from 8,000 K to 20,000 K.

Abstract: A projection-type display apparatus, being suitable to be applied as a light source of a solid-state light source, in the place of a conventional lamp, comprises: a light source unit, which is configured to emit a white-color light therefrom; a light separation optic system, which is configured to separate the white color light from the light source unit into three primary color lights, R (red-color), G (green-color) and B (blue-color); R, G and B light modulating portions, each of which modulates each of R, G and B polarized lights separated, depending on a video signal, respectively; a light composing unit, which is configured to compose optical images, which are formed by the R, G and B light modulating portions; and a projecting portion, which is configure to project the optical image composed, enlargedly, wherein the light source unit emits a white color light emitting from a nearly point-like light source, including an excitation light from a solid-state light emitting element therein.

Abstract: There are provided a polymer dispersed liquid crystal (PDLC) display not using a backlight unit and a method of fabricating the same. The PDLC display comprises a rear substrate over which a thin film transistor (TFT), a first electrode, and a second electrode are formed, a front substrate apart from the rear substrate and having a first black matrix formed thereon corresponding to a region where the TFT is formed, a PDLC layer disposed below the first black matrix and formed between the front and rear substrates, a light source formed on one side of the PDLC layer and configured to provide light to the side of the PDLC layer, and a first reflection plate formed on the other side of the PDLC layer and configured to reflect light incident via the PDLC layer.

Abstract: Disclosed is a transparent display device for enhancing image quality, and the transparent display device may include liquid crystal display panel; a light source disposed at one side of a lower portion of the liquid crystal display panel to emit light; a first polarizing plate to first-polarize the light emitted from the light source; a light guide plate at a lower portion of the liquid crystal display panel to receive the light first-polarized by the first polarizing plate through a lateral surface thereof, a pattern being formed on the upper surface of the light guide plate to output the incident first-polarized light in a lower direction of the light guide plate; a second polarizing plate at an upper portion of the liquid crystal display panel to control the amount of light transmitting the liquid crystal display panel; and a first optical sheet at a lower portion of the light guide plate to reflect the first-polarized light received from the light guide plate, and transmit a second polarization component

Abstract: Disclosed is a liquid crystal display device equipped with a balance insulating member having a bottom frame and lamp sockets integrally formed on the bottom frame, including: a lower cover; a plurality of lamps disposed on the lower cover with a certain interval therebetween; a balance insulating member disposed at both sides of the lower cover, and having a bottom frame and lamp sockets integrally formed on the bottom frame so as to be coupled to the lamps; and a liquid crystal panel disposed above the lamps and receiving light, wherein the balance insulating member includes conductive electrodes formed at the lamp sockets, ballast capacitors each connected to the conductive electrodes and disposed on an upper side of the bottom frame, and conductive wirings formed inside the bottom frame and connected to the ballast capacitors.

Abstract: Provided are a backlight unit and a display device having the same. The backlight unit includes a case having an opening, at least one lamp assembly disposed on a side surface of the case and including a light source, an optical transreflective unit on the case, the optical transreflective unit transmitting a portion of first light passing through the opening and reflecting a portion of second light generated from the light source, and an optical sheet including a first diffusion unit on the optical transreflective unit.

Abstract: A liquid crystal display having an in-cell backlight and method of manufacturing the same is provided. The liquid crystal display includes a front substrate and a rear substrate opposite to each other. A color filter layer comprises a black matrix, a color filter and a common electrode on the front substrate. An array element comprises a plurality of gate lines and data lines having to cross each other, and a pixel electrode with the common electrode to generate electric field on the rear substrate. A liquid crystal layer is disposed between the color filter layer and the array element. A light source layer is disposed between the rear substrate and the array element and configured to supply light to the front substrate. At least one polarization plate is laminated on the light source layer.

Abstract: Disclosed is an optical film excellent in optical characteristics and UV absorbability and excellent in outward appearance in which the UV absorbent does not bleed out. The optical film is formed of a polypropylene resin mixture containing (A) a polypropylene resin containing a propylene polymer, (B) a 2-(hydroxyphenyl)benzotriazole derivative 1, and (C) a 2-(hydroxyphenyl)benzotriazole derivative 2, wherein the 2-(hydroxyphenyl)benzotriazole derivative 2 (C) is 2-(2-hydroxy-3-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole, and the content ratio of (C) to the total amount of (B) and (C) is from 8 to 60% by mass.

Abstract: A display device includes an illumination medium, a display medium, and a conductor. The illumination medium includes a light-emitting element and a connection portion. The light-emitting element includes a first electrode and a second electrode and emits light with the use of power supplied between the first electrode and the second electrode. The connection portion is electrically connected to at least one of the first electrode and the second electrode. The display medium includes a terminal, relay wiring, and an electro-optical element. The relay wiring is electrically connected to the terminal. The electro-optical element controls light that is irradiated by and comes from the illumination medium according to electric energy supplied to the electro-optical element. The conductor electrically connects the relay wiring and the connection portion.

Abstract: A display device includes: a panel; a light source provided on a surface disposed with facing at an interval of a predetermined distance from the back of the panel of said panel; and at least one optical sheet placed in front of said light source; wherein said optical sheet is placed with predetermined inclination angle to the above back of the panel so that it becomes closer from the top end to the bottom end of the back of the panel of said panel.

Abstract: A lighting device includes a light source lamp, and a light-diffusing layer including a diffusing plate or a diffusing sheet, the light source lamp including a folded portion (curved portion), such as U-shaped tube, and the lighting device for display devices having any of, or a combination of: the folded portion of the light source lamp is covered with a lamp frame; an optical member provided with a light-reducing or light-shielding treatment is around the folded portion of the light source lamp; the folded portion of the light source lamp is outside an effective display region; the folded portion of the light source lamp includes a member reducing or shielding light; and a reflective member with a light-reducing treatment around the folded portion of the light source lamp. As a result, at least part of light generated from the curved portion of the light source lamp is reduced or shielded.

Abstract: A display device capable of emitting sufficient fluorescence is provided without an increase in the thickness of the liquid crystal layer. The device includes: a fluorescent emission layer (23) having fluorescent pigment molecules that absorb light to emit fluorescence; and a liquid crystal layer (4) capable of switching between a transparent state and a scattering state. The fluorescent pigment molecules are dichroic fluorescent pigment molecules (23a) with different emission intensities depending on the direction of emission. The dichroic fluorescent pigment molecules (23a) in the fluorescent emission layer (23) are oriented so as to have transition dipole moments with the same direction.

Abstract: An LCD backlight driving device with an isolating transformer comprises a DC power supply, a square wave generator, a square wave controller, said isolating transformer and a driver transformer; wherein said isolating transformer has a primary side connected to said square wave generator and a secondary side connected to said driver transformer, since said isolating transformer is placed between said square wave generator and said driver transformer, it helps to effectively shorten a safety distance required for setting up said driver transformer; the present invention uses said isolating transformer to shorten the safety distance required than that of using said driver transformer directly and to decrease an area in implementing a circuit board and to cut cost of said device.

Abstract: An optical plate includes a planar base and a plurality of rounded prisms formed on the planar base. The rounded prisms improve a uniformity of the light passing through the planar base and then irradiate the light having the improved uniformity. A concave peak formed in each of the plurality of rounded prisms of the optical plate scatters the light provided into a rear face of the optical plate so that dark lines and bright lines are not generated on the optical plate. As a result, the optical plate has improved light efficiency.

Abstract: In a display device, the chromaticity of display images is properly corrected while the brightness is maintained at a high level. A liquid crystal display device 10, 50 according to the present invention includes a liquid crystal panel 11 and a backlight device. The liquid crystal panel 11 includes a pair of substrates 11a and 11b and a liquid crystal layer 11c containing substances having optical characteristics that varies according to an application of electric field. The lighting device includes LEDs 24 or cold cathode tubes 55 as light sources. The lighting device is configured to illuminate the liquid crystal panel 11. On one of the substrates 11a and 11b, color filters 19 including R, G, B, Y color portions in red, green, blue and yellow, respectively, are formed. Each of the R color portion and the B color portion has an area relatively larger than an area of each of the Y color portion and the G color portion.

Abstract: A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. The backlight unit includes an exciting light source and quantum dot remote phosphor. Spectrum of the backlight unit has relative maximum brightness peaks BL1, BL2 and BL3 between 445 nm to 455 nm, between 528 nm to 538 nm, and between 618 nm to 628 nm, respectively. The liquid crystal display panel is disposed above the backlight unit and has a red color filter, a green color filter, a blue color filter and a yellow color filter, wherein areas of the red color filter, the green color filter, the blue color filter and the yellow color filter are AR, AG, AB, AY, respectively. The areas AR, AG, AB, AY satisfy the following relationship: 0.75<AR/AG<0.85; 0.3<AR/AB<0.4; and 0.95<AR/AY<1.05.

Abstract: A backlight unit that can perform local dimming, and has a structure for preventing light leakage and a cooling structure, and an image display apparatus employing the backlight unit. The backlight unit includes a light emitting arrangement adapted to radiate light and a plurality of light shielding guides adapted to divide the light emitting arrangement into a plurality of unit blocks, the unit blocks being adapted to provide local dimming, the light shielding guides being further adapted to prevent light from traveling from one of said unit blocks to another of said unit blocks.

Abstract: A display apparatus can perform a high quality moving picture display and provides improved color purity, and includes an illumination device that prevents and minimizes light unevenness in the form of a lamp image. The display apparatus includes an illumination device in which a first scattering layer, a first light-condensing layer, a second scattering layer, and a second light-condensing layer are arranged so as to cover a light-radiating surface of a light source unit including a first light source that emits light of a first color and a second light source that emits light of a second color complementary to the first color, a gate driver arranged to sequentially select each one of scanning lines at a cycle of 0.

Abstract: A liquid crystal display device of the present invention includes a liquid crystal display panel and a backlight for radiating light to the liquid crystal display panel. The backlight includes a hot-cathode tube (linear light source) (21) and ends (21b) of an outer shape of the hot-cathode tube (21) are positioned inside a display region (R1) of the liquid crystal display panel when the liquid crystal display device is seen from a side where an image is displayed, and the hot-cathode tube (21) is positioned to cross a center line (C) of the display region (R1) in a longitudinal direction.

Abstract: A photoflash includes a substrate, a flashtube and a light field control member. The substrate serves as a bottom of a cavity formed there-above and having a plurality of circuits embedded in the bottom of the cavity. The flashtube is received in the cavity and electrically connected to the circuits. The control member includes a liquid crystal panel, a plurality of transparent electrodes attached on opposite of the liquid crystal panel and a control circuit attached on the panel and electrically connected to the electrodes. The liquid crystal panel is mounted on the substrate and covers the cavity, while the control circuit is electrically connected to the circuits of the substrate. The control circuit is configured for controllably powering transparent electrodes thereby adjusting the arrangement of liquid crystal cells in particular regions of panel to control which portions of the light emitted from the flashtube will pass through the light field control member.

Abstract: A lighting device for a cold-cathode tube includes an inverter that supplies a current through the cold-cathode tube, an operation portion through which a luminance adjustment is performed, an inverter control circuit that controls the inverter in accordance with a luminance adjustment value adjusted through the operation portion so as to change the current flowing through the cold-cathode tube, and a protective circuit that stops operation of the inverter when the current flowing through the cold-cathode tube becomes smaller than a predetermined set value. The protective circuit of the lighting device is controlled in such a way that the protective circuit does not operate when the luminance adjustment value adjusted through the operation portion is smaller than a luminance threshold value.

Abstract: A method of adapting a visual unit having a first screen (10) in a first focal plane by the addition of one or more at least partially transparent display screens (20) at least partially overlapping said first screen (10) and located in focal planes distinct from said first focal plane, characterized in that an at least partially transparent emissive layer (21) is provided between said first screen (10) and at least one said additional display screen (20).

Abstract: The invention relates to compounds of the formula (I), A2-0.5y-?EuxSi5N8-yOy (I), where A stands for one or more elements selected from Ca, Sr, Ba, and x stands for a value from the range 0.005 to 1, and y stands for a value from the range 0.01 to 3, to mixtures thereof, to a process for the preparation of these phosphors and mixtures, and to the use thereof as conversion phosphors.

Abstract: Provided are a backlight unit and a display device having the same. The backlight unit includes a case having an opening, at least one lamp assembly disposed on a side surface of the case and including a light source, an optical transreflective unit on the case, the optical transreflective unit transmitting a portion of first light passing through the opening and reflecting a portion of second light generated from the light source, and an optical sheet including a first diffusion unit on the optical transreflective unit.

Abstract: A fluorescent tube 30 of the present invention includes a glass tube 31 and electrodes 32 opposed to each other on both end portions 31a of the glass tube 31, characterized in that the electrode 32 has a closed-end hollow shape opened on the opposite side from the end portion 31a of the glass tube 31, and the electrode 32 constituting the closed-end hollow shape has an inner surface 35 configured to be tapered toward the end portion 31a of the glass tube 31. With this configuration, it is possible to contain accelerated electrons not only in the bottom face 33 of the electrode 32 but also in the inner surface 35 of the electrode 32, thereby suppressing sputtering. Consequently, it is possible to increase the life of the fluorescent tube 30.

Abstract: A lamp clip (LC) includes a holding portion (11) having grasping pieces (12 and 12) for grasping a fluorescent tube (71), and a supporting column portion (21) for supporting the holding portion (11). Furthermore, a weight (51) is fitted to the supporting column portion (21).

Abstract: A display device capable of driving a scanning backlight is disclosed. The display device forms a conductive pattern on a balance printed circuit board (PCB) and sequentially controls the on/off time of light sources without assigning driving units to each of the light sources. As such, the display device can drive the scanning backlight and reduce manufacturing costs.

Abstract: A liquid crystal display device which includes a backlight device provided with an LED, and a color filter having colored layers of plural colors including a green layer, wherein the green layer of the color filter contains brominated zinc phthalocyanine green pigment and a dielectric loss tangent of the green layer at a driving frequency of a liquid crystal display device is confined to not more than 0.02.

Abstract: Provided is a liquid crystal display device including: a liquid crystal display panel; a fluorescent tube disposed on a side opposite to a display surface of the liquid crystal display panel; an electrode holder for retaining the fluorescent tube; a frame to which the electrode holder is attached; a light reflection cover including one of a hole and a notch for allowing the fluorescent tube to pass therethrough, the light reflection cover covering a part of the fluorescent tube and an area of the frame on an outer side of the fluorescent tube; and an elastic body provided on the light reflection cover so as to face the fluorescent tube in a non-contact manner.

Abstract: A liquid crystal display module displays an image on a liquid crystal panel. The liquid crystal module includes a liquid crystal panel and a backlight assembly. The backlight assembly includes a reflecting sheet having a raised portion that receives a light source and supports a diffusing sheet and/or optical sheet positioned between the liquid crystal panel and the light source.

Abstract: There are provided a polymer dispersed liquid crystal (PDLC) display not using a backlight unit and a method of fabricating the same. The PDLC display comprises a rear substrate over which a thin film transistor (TFT), a first electrode, and a second electrode are formed, a front substrate apart from the rear substrate and having a first black matrix formed thereon corresponding to a region where the TFT is formed, a PDLC layer disposed below the first black matrix and formed between the front and rear substrates, a light source formed on one side of the PDLC layer and configured to provide light to the side of the PDLC layer, and a first reflection plate formed on the other side of the PDLC layer and configured to reflect light incident via the PDLC layer.

Abstract: An LCD display has a programmable backlight device that produces multiple different color fields from multiple different phosphor elements. The backlight device can be a low resolution FED device. The phosphor is applied by an electrophotographic screening process or direct electrostatic screening process. The FED device can further incorporate a wide gamut phosphor.

Abstract: This present invention provides an electronic paper display device. The electronic paper display device includes a thin film transistor array substrate and a display panel disposed on one side of the thin film transistor array substrate. The thin film transistor array substrate comprises a first substrate, a first metal layer, a dielectric layer, a second metal layer, a channel layer, a pixel electrode layer, a protection layer, a first resin layer and a second resin layer. The display panel includes a second substrate, a transparent electrode layer disposed on the second substrate, and an electronic ink material layer between the transparent electrode layer and the thin film transistor array substrate.

Abstract: A fluorophore that forms a complex with Pb ions is disclosed. The fluorophore/lead complex fluoresces with an intensity greater than complexes formed by the fluorophore with other metals. The fluorophore may be used as a sensor/detector for lead ions in various samples. Methods for detecting and calculating the concentration of lead ions in samples are also disclosed.

Abstract: The backlight unit 12 includes cold cathode tubes 18, a chassis 14, inverter boards 20, relay connectors 21, and covers 22. The chassis 14 houses the cold cathode tubes 18. The inverter boards 20 are arranged on a side of the chassis 14 opposite from the cold cathode tubes 19. The inverter boards 20 are configured to supply drive power to the cold cathode tubes 18. The relay connectors 21 are mounted to the chassis 14 such that the inverter boards 20 are connected thereto so as to be removal therefrom in one of the directions along a board surface of the inverter board 20. The relay connectors 21 are configured to relay power from the inverter boards 20 to the cold cathode tubes 18. The covers 22 are made of material having a lower strength than the chassis 14 and arranged between the chassis 14 and the inverter boards 20. The chassis 14 has receiving portions 35 that project toward the inverter boards 20 and receive the inverter boards 20.

Abstract: A planar light source apparatus includes a plurality of elongated lighting elements disposed in a common plane, and a plurality of mirror reflectors arranged perpendicular to the common plane and facing the lighting elements. The lighting elements are equidistantly spaced from each other. The lighting elements face a same direction. The mirror reflectors frame the lighting elements. The mirror reflectors each have a reflecting surface facing the lighting elements. The reflecting surfaces are perpendicular to the common plane. A distance between one of the reflectors and its nearest lighting element is maximum of half the distance between two adjacent lighting elements.

Abstract: An LCD device is disclosed. The LCD device is configured to include a plurality of insulation films between a balancely printed circuit board and a bottom cover and to form a plurality of air layers between the plurality of insulation films. Accordingly, noise caused by vibrations from electric currents flowing through lamps can be minimized.

Abstract: A green phosphor for emitting light, a spectrum of which is sharp, in an ultraviolet and visible light region, which has higher green light brightness than the conventional rare earth-activated sialon phosphor and has higher durability than the conventional oxide phosphor, is provided. The phosphor being characterized in that Al and a metal element M (here, M is Eu) are incorporated into a crystal of a nitride or oxynitride having a ?-type Si3N4 crystal structure as a solid solution, the content of oxygen in the crystal does not exceed 0.8% by mass, and the phosphor emits a visible light having a luminescence peak wavelength in the range of 450 nm to 650 nm upon exposure to an excitation source is provided. This luminescence spectrum has a sharp spectrum shape. Further, a manufacturing method of the phosphor, a lighting device and an image display device utilizing the phosphor are also provided.

Abstract: A lamp guide includes: a horizontal part; at least one supporting part extending from a front surface of the horizontal part and having a cone shape; a plurality of holding parts on the front surface of the horizontal part, each of the plurality of holding parts holding a lamp; at least one coupling part extending from a rear surface of the horizontal part and having a trident shape; and a plurality of ribs protruding from the rear surface of the horizontal part and corresponding to the plurality of holding parts.

Abstract: A lighting device includes a hot cathode tube 17, and a chassis 14 housing the hot cathode tube 17. The hot cathode tube 17 includes a glass tube 17a and a filament 17d arranged inside the glass tube 17a. An end-wall section 60 on one end of the glass tube 17a in the axial direction thereof has an exhaust pipe 64 projecting from the end-wall section 60 so as to be away from the filament 17d. A sealed section 65 of the exhaust pipe 64 is arranged outside the chassis 14, and the linear distance N1 between the filament 17d and the sealed section 65 of the exhaust pipe 64 is set greater than the greatest linear distance N2 between the filament 17d and the end-wall section 60.

Abstract: A phosphor-based multi-coloured display is provided which includes a spatial light modulator comprising an addressable array of apertures each corresponding to a respective sub-pixel in the display; an array of phosphor regions each indexed to a corresponding aperture of the spatial light modulator; and a backlight which provides quasi-monochromatic light to phosphor within each of the phosphor regions. The phosphor within each of the phosphor regions, upon being excited by the quasi-monochromatic light of the backlight, emits light having a colour different from a colour of the quasi-monochromatic light, through the corresponding aperture of the spatial light modulator.

Abstract: A liquid crystal device is provided. The liquid crystal device includes: a liquid crystal panel including a pair of substrates which interpose a liquid crystal layer; a plurality of light receiving elements which detect ambient light; and a control unit which controls a display state of an image displayed on the liquid crystal panel based on an intensity of the ambient light detected by a plurality of the light receiving elements, wherein the control unit includes a determination unit determining that the intensity of the ambient light is changed when changed amounts of the intensities of the ambient light detected by equal to or more than half of the light receiving elements exceed a predetermined value.

Abstract: Light source lamps can be held at different intervals by a single kind of lamp clip. A straight tube light source lamp (3) arranged on the surface of a backlight chassis (1) is held by a lamp clip (20) fixed to the backlight chassis (1). The lamp clip (20) comprises a base (21) placed on the surface of the backlight chassis (1), lamp grippers (22) formed on the opposite sides of the base (21), and a fixing piece (23). A plurality of lamp grippers (22) are formed on both sides of the base (21) at respective intervals different from each other. A fixing hole (10) engaging with the fixing piece (23) on the surface of the lamp clip (20) not pertaining to lamp holding, and an escape hole (11) for passing the lamp gripper (22) on that surface are formed in the backlight chassis (1).

Abstract: A liquid crystal module is provided. A light reflective sheet is provided on a bottom plate of a rear frame. A cold cathode tube is provided on the light reflective sheet in the rear frame. A pair of left and right covers which are made of the light reflective sheet are disposed inside left and right side plates of the rear frame to cover over both end portions of the cold cathode tube. Each of the covers includes an inclined sheet portion inclined downwardly toward the inside of the rear frame; an upper edge portion bent outwardly from an upper end of the inclined sheet portion; and a insertion piece protruded inwardly from a lower end of the inclined sheet portion. The upper edge portion is mounted on a support plate portion provided in an upper end of each of the left and right side plates of the rear frame and fixed to the support plate portion with a fixture.

Abstract: A liquid crystal display device includes a backlight device, a liquid crystal panel and a light source unit. The light source unit includes a case having an opening surface, a fluorescent tube, an electric holder, and a cover member. The cover member includes a shield plate, a fixed groove and an overhanging portion, wherein the overhanging portion is provided at an edge of the fixed groove and on a side of the liquid crystal panel with respect to the fluorescent tube which includes a portion which extends through the fixed groove. A portion of the cover member includes a protrusion which is a separate member from the overhanging portion and which extends more toward the liquid crystal panel than a surface portion of the overhanging portion.

Abstract: Disclosed herein is a liquid crystal display device that includes a normally-black liquid crystal panel whose transmittance takes a minimum value when no voltage is applied and a cold cathode fluorescent lamp used as a light source of a backlight of the liquid crystal panel, the liquid crystal display device including a light irradiator configured to carry out light irradiation of the cold cathode fluorescent lamp in a period from device activation to first lighting of the cold cathode fluorescent lamp.

Abstract: A display unit (1) includes a lighting apparatus (3) having a light source (5) consisting of a fluorescent tube extending in one direction and a back chassis (4) for covering a rear side of the light source (5) and for holding both ends of the light source (5), and a display panel (2) positioned in opposition to the lighting apparatus (3), which illuminates the display panel (2). On the lighting apparatus (3), provided is an isolation chamber (20) which is arranged at the rear side behind the back chassis (4) in opposition to the end of the light source (5) and has an opening (20b) at its rear side. As a benefit of attachment of the isolation chamber (20), when vibration of the back chassis (4) which is caused by on/off switching of the light source (5) is transmitted into the isolation chamber (20), vibration is partly reflected and vibration components with each phase inverted to each other are combined to be released from the opening.