Abstract: An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through the display layers in the display. The display layers may include a layer of liquid crystal material interposed between a color filter layer and a thin-film transistor layer. The backlight structures may include a light guide plate. A plurality of light-emitting diodes mounted on a flexible printed circuit may be coupled to an edge of the light guide plate. The flexible printed circuit may be curled into a spring element to bias the light-emitting diodes against the edge of the light guide plate. A plurality of gaps may be formed in the flexible printed circuit and may be used to separate and mechanically decouple adjacent light-emitting diodes. Individual light-emitting diodes may independently register to the light guide plate to maximize optical efficiency in the display.

Abstract: A backlight unit includes a chassis, LED light sources, and a reflection member. The LED light sources are arranged in a matrix on a bottom plate of the chassis. The reflection member includes side wall portions and through holes through which the LED light sources are passed. The side wall portions surround each of the LED light sources passing through the respective through holes. The side wall portions have inclined surfaces on side surfaces thereof that lead light from the LED light sources toward the opening side of the chassis. Each of the side wall portions located between the LED light sources that are adjacently positioned in a diagonal direction has a height greater than a height of each of the side wall portions located between the LED light sources that are adjacently positioned in a vertical direction or in a horizontal direction.

Abstract: An antenna with a lighting function for a mobile communication system is provided. The antenna includes a radome for passing or spreading light through at least one specific part, and at least one light source for irradiating light to the radome.

Abstract: It is disclosed a light-emitting device (100) comprising a light guide (101), comprising a first (101a) and a second (101b) output surface portion. The light-emitting device (100) further comprises a plurality of light-outcoupling elements (103) and an array of beam-forming structures (104). The light-outcoupling elements (103) are positionally arranged relatively to the beam-forming structures (104) such as to enable light that is impinging on at least one of the light-outcoupling elements (103) and subsequently being incident on a surface portion of a beam-forming structure (104) to be within a predetermined angle interval with respect to the surface portion. Each of the beam-forming structures (104) is adapted to enable light leaving a surface portion of the beam-forming structure (104) to be within a predetermined angle interval with respect to the surface portion.

Abstract: A display apparatus includes a display part operable to display an image; and a bezel part disposed at an edge of the display part, wherein at least a portion of a front surface of the display part and a front surface of the bezel part are coplanar.

Abstract: A display device includes: a backlight assembly which generates and outputs light; and a display panel which displays an image with the light from the backlight assembly. The backlight assembly includes: a light emitting unit which generates the light; a light guide plate which guides the light provided from the light emitting unit toward the display panel and includes a protruding part which protrudes laterally from the light guide plate from the light guide plate at a first corner thereof; and a reflective member which is on a surface of the protruding part and reflects the light provided from the light emitting unit toward the protruding part and toward a second corner of the light guide plate and the periphery of the second corner.

Abstract: A planar light source device includes a first light source for emitting a first light ray having a punctate spatial luminance distribution; a second light source for emitting a second light ray; a first spatial luminance distribution conversion portion for changing the first light ray to a linear spatial luminance distribution; a second spatial luminance distribution conversion portion for changing a spatial luminance distribution of the first and second light rays to a planar spatial luminance distribution; wherein the first light ray is a laser light; the second light ray has a divergence angle larger than the divergence angle of the first light ray when the first light ray is emitted from the first light source; and a slow-axis direction of the first light ray entering the second spatial luminance distribution conversion portion is parallel to an outgoing direction of the planar light.

Abstract: A sidelight type spread illuminating apparatus includes a light guiding plate; a plurality of circuit boards arranged so as to face a side end face of the light guiding plate; a light source mounted on the circuit boards; and a connector that electrically connects the circuit boards adjacent to each other. The connector includes a socket and a plug that are removable therebetween. The socket and the plug are configured to be removable in a direction parallel to each mounting surface of the light sources of the circuit boards in a state that either the socket or the plug is fixed to ends of the circuit boards adjacent to each other.

Abstract: An edge-lit display having a front modulator in the top layer of an optical package and an extractor in at least one of the top and bottom layers. A control system is connected to control the extraction mechanism to project light which approximates a desired image onto the front modulator, estimate a pattern of light incident on the front modulator, and control the front modulator based on the estimated pattern.

Abstract: There is provided a method of manufacturing a wavelength converted LED chip, including attaching a plurality of LED chips to a chip alignment region of an upper surface of a temporary support plate, forming a conductive bump on the electrode of the respective LED chips, forming a phosphor-containing resin encapsulation part in the chip alignment region to cover the conductive bump, polishing the phosphor containing resin encapsulation part, forming the wavelength converted LED chips by cutting the provided phosphor containing resin encapsulation part between the LED chips, the wavelength converted LED chip including a wavelength conversion layer obtained from the phosphor containing resin encapsulation part and formed on lateral surfaces and an upper surface of the wavelength converted LED chip, and removing the temporary support plate from the wavelength converted LED chip.

Abstract: The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane and the backlight source receive an aluminum-extruded heat sink arranged therebetween. The aluminum-extruded heat sink includes a first mounting section and a second mounting section perpendicularly connected to the first mounting section. The backlight source is mounted on the first mounting section. The first mounting section forms a slope surface at a location close to the second mounting section. The slope surface is arranged to extend from connection of the first and second mounting sections toward the backlight source. The side-edge backlight module forms a slope surface at a lower end of the first mounting section of the aluminum-extruded heat sink to eliminate potential interference issue of assembling occurring in the known techniques.

Abstract: Improved soft lighting systems for the arts, media, and entertainment industry are disclosed. In certain aspects, the systems employ one or more edge-lit LED light guide panels using high flux, optical grade, and/or binned LEDs to produce higher quality, uniform, diffused soft visual media light. In further preferred aspects the systems are modular and portable, and have light guide panels that may be axially tilted in horizontal and vertical directions to independently direct the soft light emanating from each of the panels to achieve the desired soft lighting set up.

Abstract: A display device including a display panel which displays images, an intermediate frame on which the display panel is seated, a lower receptacle which includes a first receiving portion including a bottom plate and sidewalls, and a second receiving portion separate from the first receiving portion, and a light source unit which includes an alignment plate and a point light source mounted on the alignment plate. The light source unit contacts the sidewalls of the lower receptacle, and the first receiving portion is coupled with the intermediate frame.

Abstract: The present invention discloses a backlight module which has a plurality of light-emitting diodes. The light-emitting diodes are divided into a plurality of light groups according to pitches between the adjacent light-emitting diodes. The light-emitting diodes with respect to a display-area center line have a position center, and the light group having the light-emitting diodes with larger pitches therebetween is in a position relatively close to the position center and is in a higher bright bin; the light group having the light-emitting diodes with smaller pitches therebetween is in a position relatively away from the position center and is in a lower bright bin. Therefore, luminous conditions of the overall light-emitting diodes tend to correspondence, and proportion of usage of light-emitting diodes in different bright bins can be increased.

Abstract: A radiation device is disclosed. The device includes a light cavity including a top surface, a bottom surface, and side walls. A light source array including at least one light source is formed on a first side wall. The device also includes a reflective coating formed on at least the bottom surface. The top surface allows light transmission and includes a light conversion layer.

Abstract: Disclosed is an edge-lit backlight module having a rectangular back panel with a reflective microstructure, and a first light portion with an inclined plane or a camber is provided for reflecting lights emitted from a plurality of LEDs and with a relatively smaller normal included angle, and a second light portion is provided for reflecting a light with a slightly greater included angle, and a third light portion is provided for reflecting the light with the greatest included angle to guide lights of different intensities to different paths and project the lights to every position of a front panel, so as to achieve a light extraction efficiency with a uniform distribution of luminous intensity of an LED light source.

Abstract: The present invention provides a positioning structure for light-guiding plate (LGP) and back frame, backlight module and liquid crystal display device thereof, wherein LGP disposed inside the back frame, first side inner wall of back frame disposed with a plurality of LEDs, second side inner wall adjacent to first side inner wall disposed with first magnetic body, a side of LGP corresponding to second side inner wall disposed with attachment body; first magnetic body and attachment body correspondingly attached, third side inner wall of back frame opposite to second side inner wall disposed with buffer plate, fourth side inner wall of back frame disposed with second magnetic body, a side of LGP corresponding to fourth side inner wall disposed with attachment body; second magnetic body and attachment body correspondingly attached. As such, back frame and LGP are firmly positioned and fixed to improve assembly yield arte.

Abstract: Illumination devices are described for illuminating a target area, e.g., floors of a room, using solid-state light sources. In general, an illumination device includes a first light guide extending along a first plane, the first light guide to receive light from first light emitting elements (LEEs) and guide the light in a first direction in the first plane; a second light guide extending along the first plane, the second light guide to receive light from second LEEs and guide the light in a second direction in the first plane opposite to the first direction; a first redirecting optic to receive light from the first light guide and direct the light in first and second angular ranges; and a second redirecting optic to receive light from the second light guide and direct the light in third and fourth angular ranges, where the first, second, third and fourth angular ranges are different.

Abstract: In embodiments of a transparent display backlight assembly, a backlight panel is operable as a transparent panel, and a light source generates light that the backlight panel directs from the light source to illuminate a display panel of a display device. Light refraction features refract and scatter the light, where the light refraction features are spaced for approximate transparency of the backlight panel and to illuminate the display panel. An active diffuser can be implemented as an additional transparent panel and operable for activation to diffuse the light from the backlight panel that illuminates the display panel.

Abstract: A liquid crystal display (LCD) includes a cover assembly; a liquid crystal panel; a light guide plate configured to guide light to the liquid crystal panel; a printed circuit board (PCB) to which the light guide plate is mounted; and a light emitting diode (LED) package which is mounted on the PCB and emits light to a lateral side of the light guide plate. The PCB includes a base substrate; a connecting hole which is formed in the base substrate to couple the base substrate to the cover assembly with a connecting member; an insulating layer which is coated on the base substrate while avoiding a head part of the connecting member; and a spacer tape which is provided on an upper side of the insulating layer so that the light guide plate is evenly mounted on the PCB.

Abstract: The utility model relates to a technology field of liquid crystal display, and more particularly to a backlight module and a backlight device. The backlight module provided by the utility model comprises a light guide plate, a printed circuit board, a heat-dissipating bracket and a first retaining member. There has an optical-coupling distance between a light incidence surface of the light guide plate and the printed circuit board. The light incidence surface of the light guide plate disposes more than two light guide plate protrusions thereon. The first retaining member retains the heat-dissipating bracket, the printed circuit board and the light guide plate together to form an independent module. The technical solution of the utility model can enhance the stability of the optical-coupling distance in the backlight module, realize a simple modularization assembly, simplify a mounting process of the back plate, and improve the assembly convenience.

Abstract: The utility model discloses a backlight module for a liquid crystal display device and a liquid crystal display device. The backlight module comprises an LED and a backplane, wherein the backlight module also comprises a heatsink plate arranged on the outer of the backplane; and the LED is linked with the heatsink plate in the mode of heat conduction. The utility model, by arranging the LED on an extra heatsink plate which is arranged on the outer of the backplane, dissipates outward the heat emitted by the LED through the heatsink plate, lowers the temperature of the backlight cavity, and protects the optical components. At the same time, because the backplane is not directly used to dissipate heat, the gradient of temperature distribution on the backplane is reduced, thus, the gradient of temperature distribution in the backlight cavity is reduced and stress of the backlight cavity induced by the temperature gradient is also reduced.

Abstract: An illumination unit includes one or more light sources each including a solid-state light-emitting device configured to emit light from a light emission region including a single or a plurality of light-emitting spots. The solid-state light-emitting device includes a single chip or a plurality of chips each emitting a light beam. Three or more of the light-emitting spots are provided within the whole of one or more light sources, to allow the whole of one or more light sources to emit light beams in two or more wavelength bands different from one another, and the solid-state light emitting device in a first light source which is at least one of the one or more light sources, has a plurality of light-emitting spots which emit light in the same wavelength band.

Abstract: A reflective cover molding method and a reflective cover manufactured thereof are disclosed. The reflective cover molding method comprises the steps of: providing a metal substrate; setting the metal substrate on a substrate mold, and punching the metal substrate by a pressure to form a circular substrate; propping the circular substrate onto a fixed mold with a prop; jointly rotating the fixed mold and the circular substrate, applying a pressure by a spinning roller to attach the circular substrate, and applying a pressure to spin out a molded cover; setting the molded cover onto a shaped mold, and punching the molded cover by a pressure to form an optical structure surface on the molded cover; and punching the molded cover to remove a bottom hole to form the reflective cover, so as to accelerate production rate and enhance product quality, stability and precision.

Abstract: A light guiding plate includes a light guiding main body, a first light guiding unit and a second light guiding unit. The light guiding main body has a first surface, a second surface opposite to the first surface and a light inlet face connecting between the first and second surfaces. The first light guiding unit includes first and second light guiding structures disposed on the first surface. The first and second light guiding structures are parallel aligned, each second light guiding structure has a plurality of first light guiding bodies that is individually separating and connecting the immediately abreast first light structures, and the arrangement density of the plurality of first light guiding bodies decreases toward the light inlet face. The second light guiding unit includes a plurality of third light guiding structures disposed on the second surface. The third light guiding structures are parallel arranged.

Abstract: Provided are: a thin display device that has reduced dimensions between a light guide plate and a display panel; and a television receiver provided with the display device. By threading screws, the edge of an opening and a bottom part press, with an elastic member interposed therebetween, the display panel and the light guide plate together. As a result, the dimensions between the display panel and the light guide plate can be reduced by sandwiching the display panel and the light guide plate by a front cabinet and a back cabinet from the front and back without interposing a support member between the display panel and the light guide plate.

Abstract: An edge type backlight unit and a method for manufacturing the same are disclosed. The edge type backlight unit includes light sources for providing light, a printed circuit board (PCB) on which the light sources are mounted, a metal bracket that contacts the printed circuit board and dissipates heat of the printed circuit board, and a thermal hardener formed between the printed circuit board and the metal bracket. The printed circuit board supplies an electrical signal for driving the light sources to the light sources.

Abstract: A repetitive lighting fixture will alternate between at least two different illuminated images projected in a desired direction. The fixture includes edge-lit flat panels that are configured and/or overlayed to reproduce one or more desired images. Each panel is made of light-transmissive material, which optionally may contain colorant. Each edge-lit flat panel contains optics coupled with a second planar surface of the panel. The optics are arranged to define a desired shape of an image and are configured so as to cause light distributed within the panel to exit a first planar surface of the panel. Each panel has its own light source that projects light into a light transmitting edge of the panel. The panel's light source can include light emitting diodes (LED) that only or selectively illuminate the specific optics of that panel.

Abstract: An electronic device is provided. The electronic device includes a light source, a light guide, a display unit and a frame. The light source provides a light beam. The light guide includes a light emitting surface and a light entering surface, wherein the light beam enters the light guide through the light entering surface, and is emitted from the light emitting surface. The display unit is corresponding to the light emitting surface, wherein the light beam is partially emitted from the light guide, passes through the display unit to display an image. The frame covers the display unit and the light guide, wherein the frame has a display portion and a transparent portion, the image is displayed in the display portion, and the light beam is partially emitted from the light guide toward the transparent portion and passes through the transparent portion.

Abstract: This invention relates to a backlight unit that is adaptive for increasing brightness uniformity, and a liquid crystal module using the same. The backlight unit includes a plurality of light emitting diodes with the (2i?1)th (where i is a natural number) light emitting diodes of the plurality connected in a first series circuit between an input terminal and an output terminal and the 2ith light emitting diodes of the plurality connected in a second series circuit. The second series circuit is connected in parallel with the first series circuit between the input terminal and the output terminal, and each of the 2ith light emitting diodes is disposed adjacent to a respective (2i?1)th light emitting diode.

Abstract: A light extracting member for an organic electroluminescent element, to be provided on a side for extracting light emitted by the organic electroluminescent element, wherein a light extracting surface of the member has a concave-convex structure which is configured such that when comparing an intensity of light that enters the member and is output from the light extracting surface with an intensity of light that is output from a flat light extracting surface of a virtual member, a frontal intensity and an integrated intensity of the former are each greater by a factor of 1.3 or more.

Abstract: A super slim front light module, including: a point light source; a diffusion strip, having a plurality of diffusion points and having a side surface neighboring the point light source; a rectangular reflective cover, used for covering the diffusion strip; and a light guide plate, having a side surface neighboring the diffusion strip.

Abstract: An LED backlight module includes a light guiding board, a plurality of LED light sources located at an edge side of the light guiding board and a glue layer. The glue layer is located between the edge side of the light guiding board and the LED light sources. The LED light sources are securely attached to the edge side of the light guiding board via the glue layer. The glue layer has a refractive index larger than a refractive index of air.

Abstract: This illumination device is provided with light sources (15) arranged in one direction along a line or side-by-side, a light-guide plate (14) which guides light incident from an incidence surface (14a) on the side circumferential surface across from the light sources (15) and emits planar illumination light from an exit surface (14b) on the front surface, a chassis (13) which covers and supports the light sources (15) and the periphery of the light-guide plate (14), a scattering pattern (18) which is formed on the back surface (14c) of the light-guide plate (14), and positioning units (14g) which are provided jutting from the side peripheral surface of the light-guide plate (14) for positioning the light-guide plate (14) by fitting with the inner surface of the chassis (13), wherein the scattering pattern (18) is provided so as to extend on the positioning units (14g).

Abstract: A backlight unit and a liquid crystal display using the same are disclosed. The backlight unit includes a plurality of light sources generating light, a light source printed circuit board (PCB) on which the plurality of light sources are mounted, a protrusion that protrudes from one side of the light source PCB and is fastened to a connector used to supply a driving power to the plurality of light sources, and a bottom cover that receives the light source PCB and has a through hole through which the protrusion passes. The connector is exposed to the outside through the through hole.

Abstract: A direct backlight device including a light source arranged on the rear surface of a light-guiding plate and a liquid crystal display apparatus including the backlight device are provided, in which light extracting efficiency from the light-guiding plate is improved and luminance can be prevented from lowering or can be improved. The backlight device includes a light source arranged on the rear surface opposite to a light-emitting surface, and a reflective-angle modified portion, for example, a concave-convex portion formed by sandblast to modify a reflective angle of light emitted from the light source is provided at least on the light-emitting surface and/or the rear surface. A light reflective angle equal to or smaller than the critical angle is modified to improve the light extracting efficiency from the light-emitting surface.

Abstract: One or more light emitting diode diodes (LEDs) are attached to a printed circuit board. The attached LEDs are connectable with a power source via circuitry of the printed circuit board. An overmolding material is insert molded an over at least portions of the printed circuit board proximate to the LEDs to form a free standing high thermal conductivity material overmolding that covers at least portions of the printed circuit board proximate to the LEDs. The free standing high thermal conductivity material has a melting temperature greater than about 100° C. and has a thermal conductivity greater than or about 1 W/m·K. In some embodiments, the free standing high thermal conductivity material is a thermoplastic material.

Abstract: A light bar fixing device comprises a light bar defining a through-hole and a heat dissipation mechanism defining a threaded hole corresponding to the through-hole. The light bar fixing device further comprises a helical spring having a pitch identical to that of the threaded hole. A columnar body of the helical spring is adapted to be threaded into the threaded hole, and an outer diameter of a stop end of the helical spring is greater than that of the columnar body. By threading the helical spring into the threaded hole, the light bar can be securely connected to the heat dissipation mechanism with a clearance therebetween being reduced. Also, the light bar can dissipate heat evenly via the heat dissipation mechanism to allow a uniform temperature distribution in the light bar, thus resulting in a desirable light emitting effect and a prolonged service life of the light bar.

Abstract: Disclosed are a side light-type backlight device with high brightness and excellent light use efficiency, a liquid crystal display device and a television receiver. The disclosed backlight device has a light guide plate that emits, from the top surface, light that entered from the side surface thereof, a substrate that is disposed at the side surface of the light guide plate and that has a plurality of LEDs emitting light from the top aligned thereon, and an outer case enclosing the light guide plate and the substrate. Of the plurality of LEDs, the end LEDs are provided with inclined sections such that the illumination direction of said end LEDs intersect with that of the other LEDs.

Abstract: An edge-type backlighting module includes a light guiding plate, a lighting source, and a light coupler. The light guiding plate has a uniform thickness, and one end thereof acting as a combination end and a light input surface. A light output surface of the light guiding plate is perpendicular to the combination end. The light coupler has a first end and a second end opposite to the first end. The light coupler tapers from the first end to the second end. The lighting source is adhered to the first end. The second end is adhered to the combination end. An entirety of light emitted from the lighting source is transmitted to the light guiding plate via the light coupler.

Abstract: A display device and a method of fabricating a reflective sheet for the same are provided. The display device includes: a display panel to display an image, a plurality of light emitting diodes (LEDs) to: generate and supply light to the display panel, a light guide plate to guide the light to the display panel, and a reflective sheet to reflect light toward a cover bottom below the LEDs toward the light guide plate, the reflective sheet including: a reflective layer, first and second skin layers respectively on upper and lower portions of the reflective layer, the first and second skin layers each including an embossing surface including a plurality of first reflective patterns to: prevent adhesion between the reflective layer and the light guide plate, and increase efficiency of light, and the reflective layer including a plurality of second reflective patterns, each including a filler in an air layer.

Abstract: A module includes light-emitting diodes, with a printed circuit board bearing light-emitting diodes connected by a series-parallel electrical circuit including a number of circuit branches powered by a common electrical power supply, each branch including two peripheral diodes and optionally at least one internal diode. At least one of the multidiode branches includes at least one reference internal diode, the two diodes closest the reference diode belonging to a branch or branches other than said multidiode branch and/or at least one of the two-diode branches includes two reference peripheral diodes and has, as the closest diode on the printed circuit board, a diode belonging to a branch other than the two-diode branch.

Abstract: An example low voltage buss system is provided. The low voltage bus system distributes low voltage DC power into the office workspace in a manner that reduces clutter and promotes customizable and efficient workspace usage. The low voltage bus system distributes low voltage DC power into the office workspace via an electrical buss having a connector at the end of the buss to distribute low voltage DC power to and throughout office workspace and, in particular, office furniture.

Abstract: A light guide plate includes a light incident face, a light exit face adjacent to the light incident face, a bottom face adjacent to the light incident face and opposite to the light exit face, and a plurality of sidewalls beside the light incident face and interconnecting the bottom face and the light exit face. The light incident face is recessed inwardly from an outer periphery of the light guide plate toward an interior of the light guide plate to define a recessed region of the light guide plate. The light incident face is perpendicular to the light exit face. A backlight module incorporating the light guide plate is also provided. The backlight module includes at least a light emitting diode located in the recessed region of the light guide plate.

Abstract: The invention relates to an illumination system (10), a luminaire (102), a collimator (30) and a display device (200). The illumination system according to the invention comprises a light source (20) and the collimator. The light source is configured for emitting a substantially Lambertian light distribution around a symmetry axis (22). The refractive collimator is configured for redirecting light from the light source to at least partially illuminate an illuminating surface (50) in which at least a part of the illuminating surface being substantially parallel to the symmetry axis. The refractive collimator comprises a concave input window (34) and an at least partially convex output window (40) for refracting light towards the illuminating surface. The effect of the illumination system according to the invention is that a height of the illumination system may be reduced due to the use of the refractive collimator.

Abstract: A light emitting module includes a plurality of light emitting diodes; and a module substrate having a wiring portion disposed with the plurality of light emitting diodes, and a heat radiation portion folded from the wiring portion and disposed under the plurality of light emitting diodes, wherein the plurality of light emitting diodes includes a first light emitting diode disposed on a first outer region of the wiring portion, a second light emitting diode disposed on a second outer region of the wiring portion, and a third light emitting diode disposed on a center of the wiring portion, and in the heat radiation portion of the module substrate, the width between the center of the wiring portion and the end of the heat radiation portion is wider than that between the first outer region of the wiring portion and the end of the heat radiation portion.

Abstract: An object is to improve a reliability of an electrical connection in a lighting device. A backlight unit 12 in accordance with the present invention is provided with an LED board 18 which has an LED 17 serving as a light source and is formed in an elongated shape, a chassis 14 in which the LED board 18 is accommodated, a light guide member 19 in which an end portion is arranged opposite to the LED 17 of the LED board 18, and a connector 20 mounted to the chassis 14 and configured to establish electrical connection with an external device, the LED board 18 is provided with a terminal 18b which is electrically connected to the LED 17, and the connector 20 includes a connection terminal 28 being in contact with the terminal 18b of the LED board 18 and slidable along a long-side direction of the LED board 18 and relative to the terminal 18 of the LED board 18.

Abstract: The invention provides a backlight module, an LCD device and a light source of the backlight module. The backlight module includes an LED chip, and a heat sink; the LED chip and a circuit thereof are directly arranged on the heat sink. In the invention, because the LED chip of the backlight module and the circuit thereof are directly arranged on the heat sink, heat emitted by the LED chip can be conducted out through the heat sink with good heat dissipation effect; thus, the inside temperature of the backlight module is reduced, and the heat dissipation efficiency of the backlight module is increased.

Abstract: A backlight module including a light guide plate and a light source is provided. The light guide plate has a light incident surface, a light reflection surface, a first side surface and a second side surface. The light incident surface is connected to the second side surface. The reflection surface is connected between the first side surface and the light incident surface. The first and the second side surfaces are two planes with their extending planes intersected. The light incident surface is a chamfering plane connected between the first and the second side surfaces. The light reflection surface is a cambered surface connected between the first side surface and the light incident surface. The light source is disposed next to the light incident surface, so as to transmit light into the light guide plate through the light incident surface.

Abstract: Laser lit flat panel displays are disclosed including edge-lit and direct lit backlights. In certain embodiments, laser assemblies are selected to obtain bandwidth distributions to reduce speckle.