Abstract: An illumination apparatus configured to illuminate a target surface from a first side and a second side different from the first side, including: a guide; and a reflector, the guide including: incident surface; a surface for totally reflecting beam from the incident surface; a reflecting surface arranged on an opposite side of the incident surface relative to the surface; a first exit for causing the reflected beam to exit as converging beam from the first side, the first exit having condensing action in plane orthogonal to the one-dimensional direction; and a second exit, adjacent to the first exit, having condensing action in the orthogonal plane for causing beam not reflected by the reflecting surface to exit as converging beam, and the reflector reflecting the beam from the second exit to the target surface as beam from the second side.

Abstract: A display module has a display panel and a backlight module disposed on one side of the display panel. The backlight module includes a heat sink, a light bar, a light guide plate, a first reflective sheet, and a second reflective sheet. The light bar abuts against one side of the heat sink. The first reflective sheet is disposed adjacent to a bottom surface of the light guide plate, and the second reflective sheet is disposed adjacent to an edge of a light-emitting surface of the light guide plate. The second reflective sheet has a first part and a second part forming an included angle with the first part, the first part is attached to the heat sink or the light bar, and the second part overlaps a part of the light-emitting surface of the light guide plate.

Abstract: An exemplary illuminating apparatus includes a light guiding plate, a light source facing a light input surface of the light guiding plate, and a complementary color element adjacent to the light source. The light source comprises a number of LEDs which emit light with at least two wavelengths. The at least two wavelengths light mix with each other to gain a white light. The complementary color element is configured for receiving light emitted from adjacent, outmost LED and converting the light into white light. The white light is reflected by the complementary color element and emits from the light guiding plate through the light output surface. The complementary color element includes a plurality of first and second complementary color zones arranged alternatively and in a line.

Abstract: A light keyboard includes a base, a plurality of keyswitches and a backlight module. The keyswitches are disposed on the base. The backlight module includes a light shielding plate, a light guiding plate and a reflecting plate. The light shielding plate is disposed under the base. The light guiding plate is disposed under the light shielding plate. The reflecting plate is disposed under the light guiding plate. The light shielding plate, the light guiding plate and the reflecting plate are stacked with each other so as to form a middle area of the backlight module. An edge of one of the light shielding plate and the reflecting plate is folded and stacked with the other one of the light shielding plate and the reflecting plate so as to form an edge area of the backlight module. The middle area and the edge area are at equal height.

Abstract: Disclosed are a light emitting apparatus and a display apparatus having the same. The light emitting apparatus comprises a light guide plate comprising a groove in a side surface thereof, and a light emitting diode unit, in which at least a portion of the light emitting device unit is inserted into the groove of the light guide plate.

Abstract: Disclosed herein are a light emitting device assembly, a backlight unit and a display device having the same. The light emitting device assembly includes a light emitting device module having a light emitting device disposed on a board, a light guide plate to emit light incident from the light emitting device module in a direction differing from a light incidence direction, and a first fixing cover and a second fixing cover to connect the light emitting device module and the light guide plate. The first fixing cover and the second fixing cover are coupled by fixing members, protrusions are disposed on the second fixing cover at first regions corresponding to the fixing members, and the edge of the second fixing cover at second regions is bent.

Abstract: The present invention provides a backlight module, which includes a backboard, a light bar mounted on the backboard, and a thermo-sensitive heat conduction material interposed between the backboard and the light bar. The thermo-sensitive heat conduction material functions to automatically adjust thermal conductivity coefficient with variation of temperature so that different portions of the light bar have different thermal conductivity coefficients in order to control the temperature of the whole light bar in a predetermined range to ensure desired performance of thermal conduction and further ensuring temperature uniformity of the whole backlight module and preventing the occurrence of luminance lowering of the whole backlight module due to excessive local high temperature.

Abstract: A backlight module includes a backboard, a light guide board arranged inside the backboard, and a side reflection plate arranged inside the backboard. The backboard includes a bottom plate and a plurality of side plates connected to the bottom plate. The light guide board includes a bottom surface facing the bottom plate, a top surface distant from the bottom plate, and a plurality of side surfaces connecting between the bottom surface and the top surface. The plurality of side surfaces comprises a plurality of passive light exit surfaces. The side reflection plate is made of an elastic material. The side reflection plate is positioned against both one of the passive light exit surfaces of the light guide board and one of the side plates of the backboard that opposes said one of the passive light exit surfaces.

Abstract: A backlight module includes a backboard, a reflection plate mounted inside the backboard, a light guide board arranged on the reflection plate, and an optic film arranged on the light guide board. The light guide board includes a main body and a plurality of upper and lower positioning pegs projecting from upper and lower surfaces of the main body. The optic film forms first positioning holes corresponding to the upper positioning pegs. The reflection plate forms second positioning holes corresponding to the lower positioning pegs. The backboard forms positioning channels corresponding to the lower positioning pegs. The first positioning holes of the optic films are fit over the upper positioning pegs of the light guide board and the lower positioning pegs are respectively set through the second positioning holes of the reflection plate to be received in the positioning channels of the backboard.

Abstract: A light guide device is provided. The light guide device includes a light guide plate and a light source. The light guide plate includes an incident plane, a bottom plane and a top plane. The bottom plane includes a reflective plane and an inclined bottom plane, wherein the inclined bottom plane connects the bottom of the incident plane and the reflective plane, and the inclined bottom plane is inclined relative to the reflective plane. The top plane includes an inclined top plane, a light-emitting plane and a connecting plane, wherein the inclined top plane connects the top of the incident plane and the connecting plane, the connecting plane connects the inclined top plane and the light-emitting plane, and the inclined top plane is inclined relative to the connecting surface. Furthermore, the light source is located next to the incident plane.

Abstract: An optical assembly is provided that may include a light emitting module that includes a plurality of light emitting devices to emit light, a light guide plate, and a side cover. The light guide plate may include at least one protrusion on a top surface of a first part of the light guide plate. The side cover includes a plurality of holes to receive the at least one protrusion.

Abstract: A light source module including a light guide plate, a light-collecting structure and a light emitting device is provided. The light guide plate has a first light emitting surface, a bottom surface, a first light incident surface connecting with the bottom surface and the first light emitting surface, and an optical microstructure unit. The optical microstructure unit includes at least two optical microstructures. Each optical microstructure has a recessing part and a protruding part on the bottom surface. The light-collecting structure has a second light emitting surface connecting with the first light incident surface, a second light incident surface and a reflecting surface connecting with the second light emitting surface and the second light incident surface. A sectional line obtained by sectioning the reflecting surface along a first reference plane includes a first parabola. The reference plane is parallel to the first light emitting surface.

Abstract: A display element includes a light source, an optical waveguide, a light-extracting portion. The optical waveguide has two ends and a side surface. One of the two ends is near the light source. The other of the two ends is far from the light source. The side surface extends from the one end to the other end. The light-extracting portion is provided near the side surface to extract light out of the optical waveguide. In addition, the other end changes a light path of forth-traveling light so that an incident angle of back-traveling light is smaller than the incident angle of the forth-traveling light.

Abstract: The present invention provides a reflector plate and a backlight system. The backlight system includes a reflector plate and a back frame and the back frame carries the reflector plate. The back frame includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and the reflector plate has a bottom to which a metal net is mounted for preventing electromagnetic interference. With the above arrangement, the backlight system of the present invention has a back frame having a simple structure, saving material for the back frame, and reducing the cost of the back frame.

Abstract: This disclosure provides systems, methods and apparatus related to an illumination system for a display device. In one aspect, the illumination system includes a light guide having a view region, which directly overlies display elements of a display, and a ledge region between the view region and a light source that injects light into the light guide. The ledge region is coated with an at least partially non-transmissive layer. The layer can be at least partially absorptive and/or at least partially reflective. In some implementations, the layer can include microstructures configured to turn steep-angle light such that it is redirected across the light guide at a shallower angle. In some implementations, the boundary between the ledge region and the view region of the light guide can have a nonlinear shape.

Abstract: A reflective plate includes a high heat conductivity material having a first heat conductivity and a reflective material having a second heat conductivity on the high heat conductivity material, wherein the first heat conductivity of the high heat conductivity material is greater than the second heat conductivity of the reflective material.

Abstract: A backlight module includes an LGP and a linear light source. The LGP includes a light-incident side surface and a top light-emitting surface that has a peripheral region and an effective illumination region. The linear light source includes a circuit board, solid-state light-emitting devices configured on and electrically connected to the circuit board, and a reflector covering a portion of the peripheral region. Light emitted from each solid-state light-emitting device enters the LGP from the light-incident side surface. The reflector includes first reflection parts that correspond to the solid-state light-emitting devices and second reflection parts. Each second reflection part is connected to two adjacent first reflection parts. Each first reflection part and each second reflection part extend towards the effective illumination region from an edge of the top light-emitting surface. An extension length of each first reflection part is shorter than that of each second reflection part.

Abstract: LED backlight module structure for increasing process yield comprises a housing, a copper circuit layer, a plurality of LED chips, a plurality of solder paste overflow prevention members, a light guide plate, and a bottom reflector. In the present invention, it mainly disposed the solder paste overflow prevention members between the LED chips and the copper circuit layer, therefore, the solder paste overflow phenomenon is prevented when using a pressing fixture to assist in executing the welding process of LED chips, and it ensures that the soldering pins of the LED chips would not electrically connect to each other due to the solder paste overflow phenomenon. Moreover, a position limiting band can be further disposed on the copper circuit layer for receiving and fixing the LED chips, in addition, the position limiting band is helpful to the LED chips in heat dissipation when the LED chips emit light.

Abstract: A light guide plate includes an incident surface on which light outputted from point light sources is incident and an outgoing surface for outputting light incident from the incident surface. A reflection-and-propagation surface for reflecting light toward the outgoing surface is formed in a back surface opposite to the outgoing surface. The outgoing surface is made up of a propagation region adjacent to the incident surface, a propagation auxiliary region adjacent to the propagation region, a first diffusion-and-propagation region adjacent to the propagation auxiliary region, and a second diffusion-and-propagation region adjacent to the first diffusion-and-propagation region. The propagation region, the propagation auxiliary region, and the first diffusion-and-propagation region control hot spots and bright/dark lines in vicinities of the incident surface, while the second diffusion-and-propagation region controls viewing-angle characteristics of the light guide plate.

Abstract: An illumination device comprising a light guide bar, a light source and a reflective sleeve is provided. The light guide bar comprises a first end surface, a second end surface, and a cylindrical surface. The cylindrical surface is disposed between the first end surface and the second end surface and has a light-emitting surface and a reflective surface. The light source is disposed at the outside of the first end surface of the light guide bar. The reflective sleeve covers the second end surface of the light guide bar and has a reflective cavity, which tapers inward to form a vertex angle. A part of the incident light of the light source is reflected to the light-emitting surface via the reflective surface by the reflective cavity or directly reflected to the light-emitting surface by the reflective cavity.

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: The present invention discloses a backlight module and a LCD using the same. Said backlight module comprises a light guide plate, a reflection sheet and a backplane, wherein said reflection sheet is arranged under the light guide plate; said backplane is arranged under the reflection sheet and partially supports the reflection sheet; and said reflection sheet is bent to form one or more supporting ribs for supporting the backplane to prevent the reflection sheet from drooping. The present invention solves the problem that the reflection sheet is affected by heat and then is easy to droop, by bending the reflection sheet of the backlight module to form the one or more supporting ribs for supporting the reflection sheet, and has the advantages of low cost and no negative influence on other components and system structure of the backlight module.

Abstract: A backlight that includes a front reflector and a back reflector that form a hollow light recycling cavity including an output surface is disclosed. The backlight further includes one or more light sources disposed to emit light into the light recycling cavity. The front reflector includes an on-axis average reflectivity of at least 90% for visible light polarized in a first plane, and an on-axis average reflectivity of at least 25% but less than 90% for visible light polarized in a second plane perpendicular to the first plane.

Abstract: A display apparatus with at least two light guide plates, each including a light incident surface and a light exiting surface, the light guide plates being spaced apart from each other so as to form a gap therebetween. The display apparatus also has a light source disposed adjacent to at least one side portion of the light guide plates to emit light to the light incident surface, a display panel positioned to receive light from the light exiting surfaces to facilitate display of an image, and a diffusion member. The diffusion member covers the gap, so as to diffuse light directed toward the display panel.

Abstract: Provided is an illuminating device capable of uniformalizing intensity distribution in a plane of light that is emitted to the outside even when a light source includes a non-emitting portion or a low reflective portion. The illuminating device includes alight source including a plurality of light-emitting elements, and a light guide member including an entrance face opposing the light source, from which light emitted from the light source enters the inside of the light guide member, wherein the light source includes a non-emitting portion where the light-emitting elements are not disposed, and wherein light projected from a portion of the light source, the portion being close to the non-emitting portion, onto the entrance face of the light guide member is higher in intensity than light projected from the other portion of the light source onto the entrance face of the light guide member.

Abstract: A lightguide functioning as a luminaire. The luminaire includes at least one solid state light source, such as an LED, and a lightguide configured to receive light from the solid state light source. Light from the light source is coupled into the lightguide and transported within it by total internal reflection until the light exits the lightguide. A shape of the lightguide causes and directs extraction of the light. The shape can also be used to create a particular pattern of the extracted light.

Abstract: An illumination module includes a light source to output lamp light and a mixing light guide having a substantially rectangular cross-section. The mixing light guide includes a spatial homogenization section and an emission section. The spatial homogenization section includes a first end coupled to receive the lamp light having a first cross-section profile from the light source and a second end to deliver the lamp light with a second cross-section profile substantially conforming to the substantially rectangular cross-section of the mixing light guide. The emission section is adjacent to the second end. The emission section includes an emission surface through which the lamp light is emitted with a substantially uniform intensity profile. The emission surface faces a different direction than an input surface of the first end through which the lamp light is received into the mixing light guide.

Abstract: A backlight unit is provided and includes a light source emitting light, a light guide plate disposed parallel to the light source, and a reflective sheet disposed at a bottom of the light guide plate. One side of the reflective sheet is slanted toward the light guide plate. A reflective member includes three sides surrounding the light source and a slanted fourth side supporting a slanted bottom of the reflective sheet. A bottom cover contacts the three sides of the reflective member.

Abstract: A light guide module capable of illuminating and being applied in a device for decoration is provided. The light guide module includes a reflective layer, a light guide with a plurality of diffusing particles, and a light source. The light guide has a side surface, a reflective surface and a light-exiting surface, thereby allowing a light from the light source to enter and reflect and exit the light guide respectively. The reflective layer is disposed on the reflective surface of the light guide for reflecting the light to the light-exiting surface. The light guide forms a portion of an outer surface of the device.

Abstract: An exemplary embodiment of the present invention discloses a backlight unit having a plurality of light-emitting blocks and a light source driving section. The plurality of light-emitting blocks is arranged in a matrix shape along first and second directions different from each other. Each of the light-emitting blocks includes a light source unit having at least one light-emitting chip to emit light, and a light guiding unit to guide the light. The light source driving section controls the light source unit of the light-emitting blocks to drive the light source unit.

Abstract: The present invention discloses a backlight module and a Liquid Crystal Display (LCD) device. The backlight module comprises an aluminum extrusion, a light bar, a member and a Light Guide Plate (LGP), wherein, the aluminum extrusion is provided with the member, and the light bar is provided with several LED lights; the backlight module also comprises a member with the light reflection function, matching holes for holding the LED lights are arranged on the member, and the member is arranged on the aluminum extrusion. The light bar is supported on the member and is jointed on one side of the member, and the LED lights are correspondingly sheathed in the mating holes. The light incident surface of the LGP is jointed on the other side of the member, and light emitting surfaces of the several LED lights are adjacent to the light incident surface of the LGP.

Abstract: A backlight unit is provided. The backlight unit includes a light guide panel for guiding light, one or more light sources installed at one side surface of the light guide panel, a reflector sheet installed on a bottom surface of the light guide panel, and an optical sheet installed on a top surface of the light guide panel. A plurality of grooves and pump mountains around the grooves are formed on a top surface of the reflector sheet.

Abstract: An electronic device including a display is provided. The display is disposed above a being illuminated surface to illuminate the being illuminated surface. The display has a first light exiting area and a second light exiting area, wherein illumination of the being illuminated surface contributed by the first light exiting area is smaller than illumination of the being illuminated surface contributed by the second light exiting area.

Abstract: A planar light source device, comprising: a light guide plate, with its upper surface and lower surface as a first surface and a second surface; at least a light strip, on which is provided with a plurality of light-emitting-diodes (LEDs), said light strip is located on a side of said light guide plate, and said LEDs are disposed in said light guide plate to emit light; a reflective plate, disposed outside said second surface to reflect light; and a diffusion plate, disposed outside said first surface to scatter light reflected by said reflective plate. Since in manufacturing said light guide plate, said light-emitting-diodes (LEDs) are placed in a mold in advance, so that LEDs and said light guide plate form integrally, hereby avoiding lose of light, and raising efficiency of said planar light source device.

Abstract: A planar illumination device includes a light source unit, including a substantially planar emitting surface, configured to emit light to illuminate a substantially planar object, and a frame, formed in a frame shape enclosing the light source unit, disposed on an outer circumferential side of the light source unit, configured to hold the light source unit. The frame includes a reflecting part configured to reflect the light, and an absorbing part, formed integral with at least a part of an outer circumferential surface of the reflecting part, configured to absorb the light. The reflecting part and the absorbing part include joint interface therebetween that is inclined to a direction vertical to the emitting surface.

Abstract: Uneven brightness is less likely to be caused and good display quality is achieved. A lighting device includes a plurality of light emitting units each of which includes a base board and a plurality of light emitting components on the base board, a linear light source including the plurality of light emitting units that are arranged linearly, a light guide member having an end portion and provided such that the end portion faces the linear light source, a reflection sheet configured to reflect light from the linear light source, and a reflection cover provided close to the light guide member and corresponding to a gap that is generated between the light emitting units.

Abstract: A surface light source device is provided. In a rear surface of a light guide plate (10), a groove (18) is formed crossing a center portion of the light guide plate (10). LEDs (12) are arranged linearly in the groove (18), and light enters the light guide plate (10) from side surfaces of the groove (18). Mirror-finished reflective sheets (14) are bonded at edge faces of the light guide plate (10) so that light is mirror-reflected to return toward the light guide plate (10), to thereby improve in-plane uniformity of exit light. Further, light enters a thin light guide plate (10c) provided above the groove (18) from light guide plates (10a, 10b) provided on both sides of the groove (18), and the light exits also from a front surface of the light guide plate (10) provided immediately above the LEDs (12).

Abstract: The present invention discloses a backlight module and an LCD device, wherein the backlight module comprises a light bar, a light guide plate coupled to a luminous surface of the light bar, and a coupling light element arranged between the light bar and the light guide plate; and the coupled light element forms a coupled light channel faced to a light incident surface of the light guide plate around the luminous surface of the light bar. The present invention, by arranging the coupling light element between the luminous surface of the light bar and the light guide plate of the backlight module to be used for leading the light emitted by the light bar to the light guide plate, make the coupling light element formed the coupling light channel faced to the light incident surface of the light guide plate around the luminous surface of the light bar.

Abstract: The present invention provides a backlight system, which includes a reflector plate, a light guide plate, and a back frame. The reflector plate and the light guide plate are stacked on the back frame and the back frame carries the light guide plate and the reflector plate. The back frame includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and lifting adhesive spots are formed between the reflector plate and the light guide plate. The backlight system of the present invention has a back frame having a simple structure, saves material for the back frame, and reduces the cost of the back frame so as to lower down the cost of flat panel display device.

Abstract: A light-emitting module includes a light source, a printed circuit board (“PCB”) and a light absorption portion. The light source generates and emits a light, and the light source is on a first surface of the PCB. The light absorption portion is on the first surface of the PCB and absorbs the light.

Abstract: A backlight module includes a light guide plate, a wavelength converter, and a light emitter. The light guide plate includes a main body, a first extension portion, and a second extension portion. The first extension portion is connected to the main body. The second extension portion is connected to the first extension portion. The wavelength converter is disposed at a side of the main body. The wavelength converter has an incident surface. The incident surface faces away from the main body. The first extension portion abuts against a sidewall of the wavelength converter. The second extension portion abuts against the incident surface. The light emitter is disposed at a side of the light guide plate.

Abstract: A backlight module includes a light guide board, at least one light emitting unit, a plurality of first glues, and a first reflection sheet. The light guide board has a light entrance surface, a light exit surface, and at least one reflection surface. The reflection surface is connected to the light entrance surface and the light exit surface respectively. The light emitting unit is disposed at the light entrance surface of the light guide board. The plurality of first glues is alternatively disposed on the reflection surface in a from-sparse-to-dense manner. The first reflection sheet is disposed on the plurality of first glues such that the first reflection sheet can be fixed onto the reflection surface.

Abstract: The present invention provides a backlight module of display device, which includes: a back panel, a reflection hood arranged on the back panel, a backlight source arranged on the reflection hood, a reflector board arranged on the back panel, a light guide plate arranged on the reflector board, and a plastic frame coupled to the back panel and the light guide plate. Light emitting from the backlight source is reflected by the reflection hood into the light guide plate. The reflection hood includes a reflection section, an abutment section connected to the reflection section, and a bearing section connected to the abutment section. The abutment section is positioned against the back panel. The backlight source is mounted on the bearing section. The bearing section is positioned on the back panel.

Abstract: A backlight module is disclosed, which comprises a light guide plate, a point light source and a substrate. The light guide plate comprises a top surface and a bottom surface opposite to each other and a side surface located between the top surface and the bottom surface. The point light source is disposed on the substrate. The backlight module further comprises a backplate, a front frame and a first reflective unit. The backplate is adapted to accommodate the light guide plate. The front frame is disposed adjacent to the top surface of the light guide plate. The point light source is disposed adjacent to the side surface. A bisector line of a light emitting range of the point light source is directed towards a plane in which the top surface or the bottom surface of the light guide plate is located. The first reflective unit is adapted to reflect light emitted from the point light source into the light guide plate.

Abstract: A planar light guide includes a main body with a back face and a radiation outcoupling face opposite thereto, a main direction of light guidance parallel to the radiation outcoupling face, at least one plurality of identically shaped and identically oriented outcoupling structures formed on at least one of the main faces, and at least one structure main face per outcoupling structure, wherein an angle-dependent emission characteristic is provided asymmetrically in a first plane parallel to the main direction of light guidance and perpendicular to the radiation outcoupling face.

Abstract: According to one embodiment, a display device includes: a plurality of light guide units; a light source; a support substrate; a first electrode transmissive to light provided on the second major surface; a counter substrate opposed to the second major surface and provided away from the first electrode; a second electrode transmissive to light provided on a surface of the counter substrate opposed to the second major surface; and a plurality of spacers provided between the support substrate and the counter substrate and arranged between adjacent ones of the plurality of light guide units when projected onto a plane parallel to the first direction and the second direction. Optical characteristics in a region which is surrounded by adjacent ones of the spacers, the first electrode and the second electrode are changed by a voltage which is applied between the first electrode and the second electrode.

Abstract: A backlight module includes a light guide plate and a light emitting unit. The light guide plate has a first side surface, a second side surface, and a third side surface. The first side surface is located opposite to the second side surface. A height of the first side surface is greater than a height of the second side surface. The third side surface is located between the first side surface and the second side surface and has a light entrance surface and a light exit surface. The light entrance surface is connected to the first side surface and the light exit surface. The light exit surface is connected to the second side surface. An included angle is formed between the light entrance surface and the light exit surface. The light emitting unit is disposed on the light entrance surface.

Abstract: A backlight assembly includes a light guide plate guiding light, one or more light sources disposed on a side of the light guide plate and generating and providing the light to the light guide plate, a housing including a bottom portion and sidewall portions which each extend from the bottom portion, and accommodating the light guide plate and the light sources, and a light source cover. The light source cover includes a flat portion which contacts a top surface of the light guide plate, a height-adjusting portion which extends upward or downward from the flat portion to form a stepped shape and has the light sources installed thereunder, and fixing portions which extend from the height-adjusting portion and are fixed to a corresponding one of the sidewall portions. A centerline of the light sources is aligned with a centerline of the light guide plate.

Abstract: A light guide apparatus includes a light guide and at least one LED arranged beside the light guide. The light guide includes a first surface and a second surface opposite to the first surface. A scatter layer is attached on the first surface adjacent to the LED and configured to scatter light beams from the at least one LED, a reflective layer is attached on the second surface away from the LED and configured to reflect light beams from the at least one LED to the first surface. The light refracting out from the first surface achieves a homogeneous illumination effect via the diffuse of the scatter layer and the reflection of the reflective layer.

Abstract: The present disclosure provides a backlight module. The backlight module includes at least one light tube. Each light tube includes a light emitting side for emitting light and a first micro-structure disposed on the light emitting side for breaking total reflections of the light in the light tube. With the first micro-structure disposed on the light emitting side of the light tube, the total reflections of the light in the light tube can be broken to allow the light to be emitted from the light tube evenly. Also, the reflecting structure is disposed on non-light emitting side for improving the using efficiency of the light and reducing the manufacturing cost of the backlight module. Additionally, the fluorescent layer is coated on the light emitting side for improving a color saturation level of a LCD using the backlight module.