Abstract: In order to solve the problem that sufficient center brightness is not always obtained in a conventional liquid crystal TV and a liquid crystal monitor, a backlight module of the invention includes a plurality of cold cathode fluorescent lamps (CFL) and a diffusing reflector below, the distance between the respective CFLs is arranged so that a central portion is narrow and an end portion is wide, and the backlight module includes a triangular sectional projection structure on at the diffusing reflector only between the CFLs between which the distance is the widest, in the end portion. According to the invention, enhancement of the center brightness without increasing consumption power, reduction in the number of CFLs, and cost reduction accompanying it are achieved.

Abstract: Provided is a light emitting material in which: a light emitting layer comprising a columnar part of which a cross-sectional shape is column such as cylindrical column, and a light emitting part of which a cross-sectional shape is cone or pyramid; and light generated in the light emitting part is extracted outside through the columnar part. The light emitting material allows light to be efficiently extracted to the outside to improve luminance.

Abstract: A liquid crystal display is provided with a cold-cathode fluorescent lamp including a glass mantle tube having an inside surface coated with a fluorescent film, cup-shaped electrodes disposed in opposite end parts of the mantle tube with their open ends opening into a discharge region in the mantle tube. A discharge inducing ITO film is formed in a part near each of the cup-shaped electrodes of the inside surface of the mantle tube. Cosmic rays from space penetrated the transparent glass tube and the fluorescent film and received by the discharge inducing ITO films activate free electrons moving in the glass tube and, at the same time, electrons emitted by the cup-shaped electrodes when a voltage is applied across the cup-shaped electrodes induces an electric discharge to make the cold-cathode fluorescent lamp light instantly.

Abstract: In a joint portion of a corner portion at which a raised portion of a side wall portion of a reflection sheet which is mounted on a back surface plate and a side wall portion of a side mold frame intersect each other, an end portion of the side mold frame is formed in a state that the end portion of the side mold frame overlaps the side wall portion of the reflection sheet. Due to such a constitution, a gap which is formed by a displacement of the reflection sheet is closed and hence, it is possible to suppress the intrusion of dusts into the inside of a liquid crystal display device.

Abstract: A backlight unit includes; a light source, an inverter which provides the light source with an input voltage, and a printed circuit board (“PCB”) connected to the light source, wherein the PCB includes a protection circuit which detects an open-lamp-protection voltage which varies according to a change of the input voltage and changes a reference voltage according to the change of the input voltage, wherein the protection circuit turns off the inverter when the detected open-lamp-protection voltage is higher than the changed reference voltage.

Abstract: A liquid crystal display (LCD) may include in accordance with one or more embodiments an LCD panel on which an image is displayed and a fluorescent lamp providing light to the LCD panel. A tube current having a duty ratio may be applied to the fluorescent lamp. The duty ratio of the tube current may increase gradually from an initial duty ratio to a final duty ratio during a transition interval.

Abstract: A backlight unit is presented that contains lamp support structures uniquely fitted to facilitate installation of lamps in a particular orientation. The backlight unit has tube light-emitting lamps, each of which is fitted to an asymmetric lamp holder. Lamp supports fixedly engage the asymmetric lamp holders fitted to the tube type light-emitting lamps. At least one of the lamp holders has an asymmetric hole. An outer case includes the supports to fix and support each lamp. At least one lamp has a treated surface that includes an optical sheet having a light transmittance lower than 100%.

Abstract: A backlight module includes a light box and multiple real light sources. The light box has an opening and a plurality of substantially parallel grooves recessed from a bottom surface thereof. Each of the slots has a reflection curved surface. A light source allocation line is defined between every two adjacent grooves. The light source allocation lines are parallel to the grooves. The sum of shortest distances between any point of the reflection curved surface and the two adjacent light source allocation lines is substantially the same. In addition, the real light sources are alternately allocated in the light source allocation lines. A part of light emitted from each light source is reflected from the reflection curved surface to the light source allocation line in which no light source is allocated. Thereby, a virtual light source is formed on the light source allocation line that does not contain a real light source.

Abstract: A backlight module having replaceable lamp module is provided. The backlight module includes a replaceable lamp module, a light-guiding plate, a frame and a positioning and protecting mechanism. The light-guiding plate is disposed over the bottom surface among four sides of the frame, wherein one side of the light-guiding plate and a corresponding side of the frame form a sliding groove. The replaceable lamp module is set in the sliding groove and slidably along the sliding groove. The positioning and protecting mechanism comprises a protecting device set on the replaceable lamp module and a positioning device set on the frame. The protecting device is capable of forming a gap between the replaceable lamp module and the bottom of the sliding groove in order to protect the replaceable lamp module from scraped by the structures of the backlight module while the replaceable lamp module is inserting into the sliding groove.

Abstract: Cold cathode fluorescent tubes of the first group are aligned widthwise in one side of an enclosure which is divided into two areas at a centerline running widthwise. Cold cathode fluorescent tubes of the second group are aligned widthwise in the other side of the enclosure. All of the cold cathode fluorescent tubes are symmetrically-placed with respect to the centerline running widthwise. The cold cathode fluorescent tubes positioned outside widthwise are inclined at ?2 so that the distance between each of the tubes and the aperture plane gradually decreases lengthwise from an edge toward the center of the enclosure. The cold cathode fluorescent tubes positioned inside widthwise are inclined at ?1 so that the distance between each of the tubes and the aperture plane gradually decreases lengthwise from an edge toward the center of the enclosure. The inclined angle ?1 is made greater than the inclined angle ?2.

Abstract: Disclosed is an ultraviolet absorbing glass for fluorescent lamps which is composed of a borosilicate glass containing, in mass %, 60 to 80% of SiO2, 1 to 7% of Al2O3, 10 to 25% of B2O3, 3 to 15% of Li2O+Na2O+K2O, 0 to 5% of CaO+MgO+BaO+SrO+ZnO, 0.001 to 0.05% of Fe2O3, 0.1 to 5% of CeO2, 0.01 to 5% of SnO+SnO2 and 0.01 to 5% of ZrO2+ZnO+Nb2O5, and having an average linear expansion coefficient in a range of 36 to 57×10?7/° C. at 0 to 300° C. defined in JIS R 3102.

Abstract: A multi-panel monitor displaying system has a multi-panel monitor supported by one integrated Liquid Crystal Display Glass Module (LGM). The multi-panel monitor contains visually un-detective gaps between panels and, therefore, can provide viewers with high quality visual effect with low productive cost. A set of LGM technologies is utilized to re-design and integrate a plurality of LGMs. After integration, image rotation is also required by the multi-monitor displaying system to ensure perfect image displays.

Abstract: A fluorescent material includes first and second phosphors. The first phosphor is a light-storing phosphor, which is represented by the general formula (M1-a-bEuaQb)Al2O4, wherein M is one type selected from the group consisting of Mg, Ca, Ba, Sr and Zn; Q is one type selected from the group consisting of Pr, Nd, Dy, Er and Ho; a is a number that satisfies 0.0001?a?0.5; and b is a number that satisfies 0.010?b?0.5. When the fluorescent material is excited for about 15 minutes by ultraviolet irradiation having about 365.0 nm wavelength with an intensity of 0.5 mW/cm2, and the color of the afterglow of the fluorescent material is measured 1 minute and 10 minutes after excitation is terminated, an amount of change between chromaticity measured 1 minute after excitation and that measured 10 minutes is in the range of ?0.001?x?0.009 and ?0.009?y?0.006.

Abstract: A backlit flat panel display includes a fluorescent tube positioned for illuminating the display, and a plurality of display illuminating LEDs on the periphery of the display. The fluorescent tube illuminates the display through a first range of brightness above a predetermined transition level and the LEDs illuminate the display through a second range of brightness below the transition level. When the illumination of the display is adjusted through the transition level to account for changes in ambient light, the LEDs and the fluorescent tube are operated together, so that the combined brightness of the illumination provided by the LEDs and the fluorescent tube will provide the desired display brightness; this advantageously compensates for delayed illumination of the fluorescent tube at start up and for persistence in the tube after shutdown.

Abstract: In an apparatus for driving a CCFL, a first inverter outputs a first alternating current (AC) voltage to one end of the CCFL. A second inverter outputs a second AC voltage having a reversed phase to the first AC voltage to the other end of the CCFL. A first current-voltage converting circuit converts a secondary current of a first transformer in the first inverter to a voltage and outputs the voltage as a first detection voltage. A second current-voltage converting circuit converts a secondary current of a second transformer in the second inverter to a voltage and outputs the voltage as a second detection voltage. A first abnormality detection circuit determines a circuit abnormality when the potential difference between the first and second detection voltages exceeds a predetermined first threshold voltage.

Abstract: A lighting device for display devices preferably used for constituting a backlight of a transmissive or transflective liquid crystal display device includes a light source lamp, and a light-diffusing layer constituted by a diffusing plate or a diffusing sheet, the light source lamp being a light source lamp having a folded portion(curved portion), such as U-shaped tube, and the lighting device for display devices having any of, or a combination of: a configuration in which the folded portion (curved portion) of the light source lamp is covered with a lamp frame; a configuration in which an optical member provided with a light-reducing or light-shielding treatment is used around the folded portion (curved portion) of the light source lamp; a configuration in which the folded portion (curved portion) of the light source lamp is disposed outside an effective display region; a configuration in which the folded portion (curved portion) of the light source lamp is provided with a member for reducing or shielding li

Abstract: A direct type backlight assembly is disclosed, in which a lamp guide is formed in a shape which can absorb an external force to prevent distortion from occurring from contact between the lamp guide and a diffusion plate, and to prevent the diffusion plate from being damaged. The direct type backlight assembly includes a light-emission lamp provided under an LCD panel; a reflecting plate provided on the bottom side of the light-emission lamp; a diffusion plate provided above the light-emission lamp; optical sheets provided on the diffusion plate; and a lamp guide provided on and connected with the reflecting plate, wherein the lamp guide has a supporter having a compression structure, the height thereof varying based on a load applied thereto.

Abstract: A photo-luminescent liquid crystal display (PL LCD) includes: a light control unit which includes a liquid crystal (LC) layer modulating the UV light and electrodes driving the LC layer; and a light emitting layer which emits light by the UV light transmitted through the light control unit. The light emitting layer includes inorganic phosphors and semiconductor quantum dots (QDs) having a quantum confinement effect. The PL LCD includes adding QDs having a high quantum efficiency into luminescent substances having lower light utilization efficiency than other colors, for example, red phosphor having very low quantum efficiency to improve the light utilization efficiency, thereby improving the color balance.

Abstract: A backlight unit comprises an arrangement surface and a plurality of point light sources arranged on the arrangement surface, wherein the arrangement surface is divided into an array of hexagonal cells, a plurality of the cells comprising a white light providing unit. An LCD comprising a backlight unit on which a point light source is efficiently disposed and an efficient arrangement method of a point light source are provided.

Abstract: An illumination device has a plurality of main illumination areas subdivided into at least a first and a second sub-illumination area, wherein a luminous element for outputting radiation is arranged on each sub-illumination area, and wherein a beam deflection unit is associated with each main illumination area, which is designed to deflect the radiation output by the luminous element of the first sub-illumination area into another direction than the radiation output by the luminous element of the second sub-illumination area.

Abstract: In one embodiment of the present invention, a lighting unit includes a hot-cathode fluorescent lamp including a filament electrode that emits a thermoelectron, an optical sensor for detecting an electromagnetic wave emitted by the filament electrode, and a driving circuit for controlling the driving of the hot-cathode fluorescent lamp based on a detected result of the optical sensor. The arrangement makes it possible to provide a lighting unit that can promptly detect an abnormality caused in the hot-cathode fluorescent lamp.

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 backlight unit of a liquid crystal display device includes a mold frame having a receiving space for receiving a reflection sheet, a prism sheet a diffusion sheet, a plurality of light-emitting diodes, and a shielding tape for affixing the reflection sheet, the prism sheet, the plurality of light-emitting diodes and the diffusion sheet within the receiving space, wherein a first color is colored at a plurality of first colored areas at a lower surface of the shielding tape corresponding to the plurality of light-emitting diodes and a second color is colored at a remaining area of the lower surface of the shielding tape other than the plurality of first colored areas.

Abstract: A fluorescent tube is prevented from being wrongly attached and broken when being attached, and luminance nonuniformity of backlight due to luminance difference generated in a tube axis direction of the fluorescent tube is reduced. A backlight device 2 is provided with a plurality of fluorescent tubes 21 having electrodes 211 at both ends; a bundling member 213 for bundling wirings 212 pulled out from the electrode 211 on one side of two or more of the fluorescent tubes 21; and a conducting means 31 for achieving conduction between the electrodes of the two fluorescent tubes among the fluorescent tubes 21 by being connected with the bundling member 213. The conducting means 31 permits a current to be carried between the electrodes of the two fluorescent tubes 21, which are bundled by the one bundling member 213, and the conducting means are arranged on inverter circuit substrate 28, respectively, not to be adjacent to each other.

Abstract: A color filter substrate includes a plurality of green photoresists. A ratio of M1 to M2 is less than or equal to 0.04, and D is less than or equal to 90 nm, wherein M1 represents a maximum value of G(?)×CMF_×(?) at a wavelength between 450 nm and 510 nm, M2 represents a maximum value of G(?)×CMF_×(?) at a wavelength between 550 nm and 590 nm, CMF_×(?) represents a Commission Internationale de L'Eclairage (CIE) color matching function, G(?) represents a transmittance spectrum of each of the green photoresists and D represents a full width at half maximum of a peak of G(?). The color filter substrate can promote color saturation of a liquid crystal display. Furthermore, a liquid crystal display using the color filter substrate is provided.

Abstract: A liquid crystal display device including a liquid crystal display panel, a backlight chassis arranged on one surface side of the liquid crystal display panel, and a control circuit board mounted on a surface of the backlight chassis on a side opposite to a surface facing the liquid crystal display panel includes a plurality of fluorescent tubes arranged on a surface side of the backlight chassis facing the liquid crystal display panel, a light source arranged on the control circuit board, and a light guide guiding the light from the light source to the surface side of the backlight chassis facing the liquid crystal display panel.

Abstract: A backlight assembly and the liquid crystal display having the same are provided. The backlight assembly includes: a plurality of lamps spaced apart from one another and each having external electrodes bent at both sides; an electrode plate having an electrode fixing part and a support part supporting the electrode fixing part, which are bent to be connected with the bent external electrode of the lamp; upper and lower structures for fixing the electrode plate; and a diffuser unit for diffusing light generated from the lamp.

Abstract: A color liquid crystal display includes a wavelength converter having a plurality of wavelength conversion areas and a plurality of transparent areas. The wavelength conversion areas are disposed at the positions corresponding to red and green filters while the transparent areas are disposed at the positions corresponding to blue filters. After passing through the wavelength conversion areas, a blue light is converted to a broadband yellow light. The broadband yellow light will be subsequently converted to a red or green light of interest when it passes through red or green filters. The blue light will experience no change in wavelength when it passes through the transparent areas. With such arrangement, the displayed brightness and saturation of red and green colors can be improved, and the displayed brightness and saturation of blue color can also be enhanced.

Abstract: A display module is disclosed. The display module comprises a liquid crystal module and a backlight source having a spectrum, wherein the spectrum has a plurality of peaks of light intensity. The liquid crystal module comprises a color filter having a plurality of transmittances. There are color ratios related to the transmittances and the peaks, so that a backlight source emits a light through the color filter and a color image generated by the light has a predetermined brightness and a predetermined saturation according to the color ratios. More particularly, the predetermined brightness can be defined by the brightness as the color temperature of the color image maintained at 10000K. The predetermined intensity meets the standard of the National Television Standard Committee (NTSC).

Abstract: A flat screen comprises a liquid-crystal element, such as an LCD element, for representing an image. Further, a plurality of point light sources, such as LEDs, are provided. Between the point light sources and the liquid-crystal element a light-guiding element is arranged. For rendering the brightness distribution more uniform, the light-guiding element comprises at a surface thereof a plurality of diffractive surface elements arranged in cells.

Abstract: A pulse width modulator generates a PWM signa whose duty ratio is feedback-controlled so that a detection voltage according to a current across a secondary coil of a transformer is brought close to a reference voltage. A logic control unit performs a switching control of the current across the primary coil of the transformer, based on the PWM signal outputted from the pulse width modulator. A first protection circuit detects a circuit failure of an inverter and stops the switching control of the inverter when the circuit failure continues for a predetermined duration of error detection time. A second protection circuit monitors a feedback voltage corresponding to an output voltage of the inverter, and lowers the reference voltage sets the duration of error detection time short when the feedback voltage is lower than a predetermined threshold voltage.

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: An exemplary backlight module (200) includes a light guide plate (210) having a light incident surface (211), and a light source assembly (220) provided adjacent to the light incident surface of the light guide plate. The light source assembly includes a light source (221) and a light reflector (225). The light source includes a first portion and a second portion. A brightness of light emitted from the first portion is less than that of light emitted from the second portion. The light reflector is configured for reflecting light beams emitted from the light source toward the light incident surface of the light guide plate. The light reflector includes a first region (226) corresponding to the first portion of the light source and a second region (227) corresponding to the second portion of the light source. A reflection capability of the first region is greater than that of the second region.

Abstract: A backlight assembly and a liquid crystal display having the same which can prevent a lamp wire from being damaged, simplify the manufacturing process, and reduce the manufacturing cost. The backlight assembly includes a receiving container for receiving a lamp, a lamp wire, connected to the lamp, for supplying power to the lamp, and a lamp holder, coupled to the receiving container and connected to the lamp, for guiding the lamp wire in parallel with the lamp.

Abstract: A backlight device is incorporated into a liquid crystal display device so as to illuminate a liquid crystal panel from a backside. The backlight device includes a light-guiding plate emitting a light, which is incident on a side surface thereof, from a front surface, and a reflector arranged along the side surface of the light-guiding plate so as to reflect a light from a light source accommodated inside thereof and guide the light to the side surface of the light-guiding plate through an opening part. A least one minute protruding part, which protrudes in a direction parallel to the side surface of said light-guiding plate, is formed on an edge part of the opening part of the reflector facing the light-guiding plate. The side surface of the light-guiding plate is brought into contact with the protruding part of the reflector when the light-guiding plate moves toward the reflector.

Abstract: A backlight assembly including a lamp having a lamp tube and first and second conductive members, a container body exposing the lamp tube while covering the first and second conductive members, a power-supplying means receiving the first and second conductive members and providing them with power, and a light uniformity improving means. A liquid crystal display panel assembly is coupled to the backlight assembly so as to display a picture by controlling a transmittance of the light passing through the light uniformity improving means.

Abstract: A luminance control apparatus of a liquid crystal display device (LCD) is presented. The LCD includes a liquid crystal display panel divided into areas, lamps, an arithmetic unit, and a lamp driver. Fewer lamps are present than the number of areas. The arithmetic unit scans pixels of each area, extracts a peak value of the gray level of pixels of the area, and calculates a maximum peak brightness value and an average value of the area. The lamp driver controls the brightness of the lamps in accordance with the average value and the maximum peak brightness value.

Abstract: An exemplary holding frame (20) is for fixing lamp pairs (31) having electrode holders (311) and lamps wires (312), and includes a top surface (201), a bottom surface (202), an inner surface (203), and an outer surface (204). The top surface defines plural electrode receiving openings (2011). The bottom surface defines plural wiring openings (2021). The outer surface defines plural electrode groove pairs (2041), and each electrode groove of each of the electrode groove pairs communicates between a respective one of the wiring openings and a respective one of the electrode receiving openings. The electrode groove pairs are configured for receiving the electrode holders of the lamp pairs. The bottom surface defines plural wiring channels (2022), and each wiring channel communicates between the wiring openings at a corresponding electrode groove pair. The wiring channels configured for receiving selected portions of the lamps wires.

Abstract: An information handling system inverter powers a display backlight at variable brightness levels determined by a brightness module integrated in the inverter. The brightness module sums a user interface setting, automated brightness setting and ambient light sensor measurement input into the inverter to determine the inverter power output, thus simplifying the integration of user brightness settings with automated brightness adjustments, such as DPST adjustments. A brightness range register holds maximum and minimum brightness settings for output by the brightness module. A calibration register holds a calibration brightness setting for calibration of display brightness.

Abstract: A soft start circuit generates a soft start voltage which changes over time when light emission of an EEFL is started. A pulse modulator receives a feedback voltage that corresponds to the output voltage of an inverter and the soft start voltage, and adjusts the duty ratio of a pulse signal PWM such that these two voltages match one another using a feedback operation. A striking control circuit monitors an error signal which is asserted when an abnormal state occurs. In a case in which the error signal has been asserted at a detection timing after the soft start voltage has reached a target voltage, the striking control circuit resets and restarts the soft start circuit. A driver controls the switching of the voltage at the primary coil of a transformer according to the pulse signal received from the pulse modulator.

Abstract: A Liquid Crystal Display (LCD), a backlight used for the LCD and a method for producing the LCD and the backlight are provided which are capable of inhibiting an increase in component counts and in assembling processes and of reducing them, thereby achieving low costs. A display image is obtained by arranging a backlight section being able to perform scanning as a single unit in a manner that it positionally matches a liquid crystal displaying section. The backlight section is provided with a plurality of scanning electrodes and light emitting layers each providing a different luminescent color, and being spatially separated from each other on a principal face of the backlight and scanning is performed on a plurality of light emitting layers providing a different luminescent color.

Abstract: A liquid crystal displaying device has an exterior housing. The liquid crystal displaying device comprises a liquid crystal displaying unit and a backlight unit. The liquid crystal displaying unit includes a frame, a liquid crystal displaying panel and a driving control circuit. The frame is arranged around the periphery of the liquid crystal displaying panel. The liquid crystal displaying panel has a displaying side. The driving control circuit is set inside the frame and is electrically connected to the liquid crystal displaying panel. The backlight unit includes a shell, at least one light-emitting element, and a power driver for driving the light-emitting element. The light-emitting element and the power driver are installed inside the shell, while the shell is assembled with the frame, such that the backlight unit is positioned at the side opposite to the displaying side of the liquid crystal displaying panel.

Abstract: A cold cathode fluorescent lamp has an improved heat dissipation characteristic without an overall increase in size, and a lead wire thereof does not readily break. The cold cathode fluorescent lamp (20) includes electrodes (28 and 30) composed of electrode main bodies (28a and 30a) that are located in an interior of a glass bulb (21), a lead wire (28b and 30b), the glass bulb (21) having ends into which the lead wires are sealed, and a heat dissipater (32 and 34) that is provided on an other portion of the lead wire, the other portion being outside the glass bulb 21. The portion of the heat dissipater surrounding the lead wire (28b and 30b) are in contact with the end surfaces (21c and 21d) of the glass bulb, when viewed externally along an extending direction of the lead wire.

Abstract: Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from one end of the device from the front exit faces of such structures along certain angular orientations, while at least a substantial portion of the light is totally internally reflected within the body until distributed from such front exit faces. Optical devices are also provided each have a body of optical material having a bottom surface with acutely angled ramp structures and falling structures which alternate with each other, such that light is totally internally reflected within the device until reflected by such ramp structures along the bottom surface to exit the top surface of the device or transmitted through the ramp structures to an adjacent falling structure back into the device.

Abstract: As a shape on a cross-section vertical to a longitudinal direction (L) of the hot cathode fluorescent lamp (20a (20b)), a light source rear side reflecting plane (62) of a reflector (60) includes a mound portion (623). The mound portion (623) is defined by two recessed inclining planes and protrudes toward a hot cathode fluorescent lamp (20a (20b)).

Abstract: An object of the invention is to make a light source and a power supply line detachable easily so as to enable the light source to be replaced easily for maintenance. The invention provides a lighting device for a display, which includes a light source having electrode terminals provided at both ends thereof, connectors attached to the ends of a power supply line for supplying power to the light source, light source-holding chassis placed at the ends of the light source, and insertion portions opened in the chassis. The electrode terminals of the light source are placed inside the insertion portions, and the connectors are fitted detachably in the insertion portions from the outside, whereby the terminals in the connectors are connected to the electrode terminals.

Abstract: The invention relates to a control system for at least two light tubes connected to a common transformer circuit. The control system comprises a control circuit which is provided with at least two detection inlets (a2, a3) used for detecting lamp currents (I1, I2) passing through the first and second light tubes, respectively. The detected lamp currents (I1, I2) can be regulated to a day mode with a high current intensity, and in a night mode with a low current intensity by the control circuit. The lamp currents (I1, I2) can be detected individually in day mode and in a common manner in night mode. The control system reduces instability of the tubes, in particular flicker.

Abstract: A liquid crystal display device including a backlight module, a liquid crystal display device panel and a second frame is provided. The backlight module includes a first frame. The first frame includes a first body, first fasteners and baffles. The first fasteners and the baffles are arranged on a sidewall of the first body. The liquid crystal display device panel is arranged on the backlight module. The second frame is assembled with the first frame for fixing the liquid crystal display device panel, and includes a second body and second fasteners arranged on a sidewall of the second body. The first fasteners fasten with the corresponding second fasteners, to limit the relative displacement between the first and second body along a first direction, and the baffles are adapted for limiting the relative displacement between the first and second body along a second direction.

Abstract: A planar light source unit includes a metal frame retaining a light source panel provided with an light guide for inducing emission of light from a light source and a plastic frame that supports at least part of a peripheral edge of the light guide. The outer peripheral surface of the plastic frame with a fitting structure between the metal frame and the plastic frame and an outer frame portion contiguous to the support plate portion and sandwiched between the fixing means and the outer frame portion of the metal frame. A liquid crystal display panel is provided with a display region in which plural display pixels are arrayed and the planar light source unit.

Abstract: A liquid crystal display device preventing a liquid crystal display panel from damage by bending of a light-transmissive substrate and capable of curving a display surface of the panel is provided. The liquid crystal display device comprising: a liquid crystal display panel having a liquid crystal layer sealed between a pair of light-transmissive substrates having pixel formation electrodes on inner surfaces thereof, and formed by assembling positive and negative curved surfaces with respect to one direction; a backlight mounted on a rear surface of the panel along a curved shape of the panel and having at least one light emission device irradiating illumination light toward the rear surface; and a resin member held in a space between peripheral portions where the panel is opposed to the backlight, and fixing and holding a curved state, is provided. Distortion of the light transmissive glass substrates by bending of the panel is eased.