Abstract: The backlight device 24 according to the present invention is provided with: an LED substrate 30; an LED light source 28; a light guide plate 20 having a light entrance surface 20a on a side surface; a chassis 22 having a bottom plate and a side plate; and spacer members that regulate the distance between the side plate and the light guide plate 20. The side plate has three first side plates 22c and 22d on the surface of which an LED substrate 30 is arranged, and one second side plate 22b on the surface of which the LED substrate 30 is not arranged. The spacer members have an elastic spacer member 34a and a non-elastic spacer member 34b. The space between the first side plate 22c that is opposite the second side plate 22b, across the light guide plate 20, and the light guide plate 20 is regulated by the non-elastic spacer member 34b. The space between the other side plates 22b and 22d and the light guide plate 20 is regulated by the elastic spacer member 34a.

Abstract: Adjustment of white balance based on a measurement result of light emission luminance of a backlight is allowed to be executed accurately and effectively. A backlight luminance detection portion detects light emission luminance of an LED backlight in a state where an optical shutter of a liquid crystal display panel is closed. A main control portion adjusts light emission luminance of the LED backlight according to light emission luminance detected by the backlight luminance detection portion. Here, the main control portion compares light emission luminance of LEDs of RGB detected by the backlight luminance detection portion with light emission luminance of RGB in white balance adjustment that is stored in advance in the storage portion, and adjusts, when an error occurs between the compared light emission luminance, the light emission luminance of each of the LEDs of RGB so as to eliminate the error.

Abstract: The present invention relates to a display device and a joint display. The display device includes a display panel and a cover lens. The display panel includes a main display region and an edge display region. The cover lens includes a transmission portion located on the main display region and compensation portion located on the edge display region. The compensation portion is configured to distribute the image of the edge display region to the outside of the edge display region away from the main display region. The compensation portion includes a light incident surface, a light emitting surface, and a light guiding channel. The light guiding channel extends from the light incident surface to the light emitting surface, and an area of the light emitting surface is greater than an area of the light incident surface.

Abstract: According to one embodiment, an image display device includes a light-emitting module, a housing which includes a back chassis covering the light-emitting module from behind, and accommodates the light-emitting module, and a supporting member attached to an engagement hole formed in the back chassis and holding a circuit component on the back chassis. The supporting member includes a receiving portion which receives the circuit component, and a light-shielding portion configured to block off light of the light-emitting module passing through the engagement hole of the back chassis.

Abstract: A display includes a display panel, an image compensating portion, and a backlight module. The display panel includes a main display region and a periphery display region outside the main display region. The image compensating portion corresponding to the periphery display region includes a plurality of light guiding channels. The backlight module provides lights to the display panel. The backlight module comprises a plurality of first light collecting module. The first light collecting module focuses lights emitted from a first direction on a first light collecting axis parallel with an axis of the light guiding channel. The first direction is perpendicular to a first plane parallel with the display panel.

Abstract: The present invention provides a display device, back plate element for backlight module and manufacturing mold for splicing parts. The back plate element includes at least two splicing parts and the splicing parts are disposed on the same side of optical component of backlight module. Splicing part has splicing unit for connecting another splicing part. Through adjusting the number of splicing parts, the side length of back plate elements can be adjusted to side length of optical component. The back plate element can be disassembled to reduce the transport volume. A plurality of splicing parts can be manufactured with the same manufacturing mold. As such, the present invention can achieve mold sharing and reduce mold cost.

Abstract: A computer system, a display system, a method of graphic illumination is provided to give a user an improved appearance, functionality, and aesthetics. A display system may comprise a housing, a light source, and a plurality of micro perforations. The housing may have an interior surface and an exterior surface. The light source may be located within the housing. The plurality of micro perforations may be disposed to extend from the interior surface to the exterior surface of the housing. The plurality of micro perforations may pass through the housing at different angles with respect to a plane of the exterior surface of the housing.

Abstract: The present invention provides a backlight system, backlight system manufacture method and panel display device. The backlight system comprises: package stent and at least a first and the second main splice elements; wherein the first main splice element has one end disposed with at least two splice parts, with each of splice parts has a structure matching a corresponding end of the second main splice element. The package stent is disposed on the first or the second main splice element. Semiconductor light source is packaged directly onto the packaged stent. The present invention can reduce material cost, mold cost and solve the heat dissipation problem of semiconductor light source.

Abstract: A modular variable presentation device system is described which, in one embodiment, may be produced and assembled to display and/or view information.

Abstract: There is provided an optical sheet which can prevent problems when it is superimposed on another member. The optical sheet includes: a sheet-like base layer; a light control layer having unit shaped elements arranged in a direction parallel to a sheet surface of the base layer; and a light diffusing layer disposed between the base layer and the light control layer. The light diffusing layer includes a binder resin portion and particles dispersed in the binder resin portion. The particles in the binder resin portion include a single particle and an aggregate formed of aggregated single particles.

Abstract: The invention provides a directional back-light arrangement for an auto-stereoscopic display in which different parts of the backlight arrangement point in different directions. This means that different parts of the backlight arrangement will be suitable for directing images in different directions, while reducing the effect of optical aberrations resulting from large exit angles.

Abstract: Embodiments include a telepresence system operative to carry out a teleconference, a lighting arrangement for a telepresence system operative to carry out a teleconference, and a planar panel having a reflective front surface that includes indentations having variable depth operative such that that when the reflective surface is illuminated by a light source, light is directed towards one or more participants in a telepresence system that is operative to carry out a teleconference.

Abstract: A light guide plate fixing structure and a backlight module using the same, comprising a first abutting wall formed at the side edge of the light guide plate, a second abutting wall formed on the backplane, and a constant-force spring arranged between the first abutting wall and the second abutting wall; the constant-force spring has a fixing end and a support end, the fixing end being fixed on the first abutting wall, the support end forming an elastic foot that abuts against the second abutting wall, with the light guide plate being fixed with the help of the elastic force produced by bounce of the constant-force spring after being pre-compressed: when the light guide plate is expanded, it can push the spring away and be released and expanded; when the light guide plate is contracted, rebound of the spring will make the spring move with the light guide plate.

Abstract: The present invention provides a backlight system, which includes an LED light source, which includes an LED lamp and an LED substrate carrying the LED lamp; a back frame, which is disposed below the LED substrate and 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 a PCB, which is disposed below the back frame and fixed to the LED substrate. The backlight system of the present invention saves the material and space of the back frame, and lowers down the cost of the backlight system.

Abstract: A backlight unit and a display apparatus using the same are disclosed. The backlight unit includes a first reflector, a second reflector partially having an inclined surface, a plurality of light sources disposed between the first reflector and the second reflector, and a third reflector disposed between adjacent light sources.

Abstract: The invention relates to a quick installation multifunctional display comprising at least two display units, connecting pieces for connecting the display units together; said display unit comprises a frame formed by four side walls, and through-holes are formed in the side walls of the frame, said connecting pieces connect the display units together by the through-holes in the side walls of the frame. The quick installation multifunctional display of the present invention could be formed by connecting the display units together through the connecting pieces, which makes the installation very convenient; furthermore, the workload and time for installation of the quick installation multifunctional display could be decreased, which lowers the installation costs.

Abstract: The present invention discloses a backlight module comprising a light source; a back plate with side walls; an optical sheet arranged on the back plate and having a plurality of openings on sides thereof; and a plurality of positioning components, each having a suspending portion and a clamping portion; the suspending portion and the opening of the optical sheet are coupled to each other, and the clamping portion and the side wall of the back plate are coupled to each other. The present invention further discloses a liquid crystal display (LCD).

Abstract: The present invention discloses a manufacturing method of heat-dissipating element, including the following steps: processing a heat-dissipating element body with a bottom plate and at least two stop plates, the stop plates being disposed at two sides of the bottom plate and bending towards surface; cutting from the bottom plate of the heat-dissipating element body to form heat-dissipating element, the dissipating element at least comprising two heat-dissipating elements of same shape or of symmetric shape. The present invention also discloses a heat-dissipating element and backlight module manufactured by the above method. The heat-dissipating element, manufacturing method and backlight module thereof can maintain optimal heat-dissipation effect and save material used to lower cost.

Abstract: This display includes point light sources, a light guide plate including a light-receiving surface on which light emitted from the point light sources is directly incident, opposed to the point light sources, and a display cell provided on a surface of the light guide plate, while a plurality of projecting portions each having a width smaller than a width of each of the point light sources in an extensional direction of a side of the light guide plate provided with the light-receiving surface are provided on a region of the light-receiving surface of the light guide plate opposed to the point light sources, and the plurality of projecting portions of the light guide plate are formed to have irregularly different shapes.

Abstract: An object of the present invention is to provide a lighting device in which a problem is hardly caused by a hole formed in a chassis of the lighting device. A backlight unit (a lighting device) 1 according to the present invention includes an LED (a light source) 17, a flat cable (a flat conductor) 22 connected to the LED 17, a chassis 14 including a hole 14e, a cable protector (a flat conductor protector) 23 including a protection portion 24 and an insertion hole 24a extending through the protection portion 24. The chassis 14 houses the LED 17. The flat cable 22 is inserted through the insertion hole 24a. The flat conductor protector 23 is arranged such that the protection portion 24 is positioned between an edge of the hole 14e of the chassis 14 and a portion of the flat cable 22 that is positioned in the insertion hole 24a.

Abstract: A lighting device for emitting direct light and indirect light, includes a first transparent light panel comprising at least one organic light emitting device, the first transparent light panel emitting direct light and indirect light during operation thereof; and at least a second transparent light panel comprising at least one organic light emitting device, the second transparent light panel emitting direct light and indirect light during operation thereof, the second transparent light panel being positioned so that at least a portion of indirect light emitted from the first transparent light is transmitted through the second transparent light panel and at least a portion of direct light emitted from the second transparent light panel is transmitted through the first transparent light panel, wherein the first transparent light panel is controllable independently from the second transparent light panel to control a ratio of direct light to indirect light emitted by the lighting device.

Abstract: A backlight module is provided, including a circuit board, a plurality of light-emitting elements, a frame, and a plurality of first and second light-reflecting portions. The light-emitting elements are disposed on the circuit board and separated from each other. The frame includes a base plate and two lateral plates extended from the base plate, wherein the circuit board is disposed on the base plate. The first and second light-reflecting portions are disposed on at least one of the lateral plates and arranged in a staggered manner. The first light-reflecting portions are closer to the light-emitting elements than the second light-reflecting portions. The reflectivity of the second light-reflecting portions exceeds that of the first light-reflecting portions.

Abstract: The invention provides a backlight module including: a planar illuminant portion having a first surface and emitting light from the first surface; an optical film assembly adhered to the first surface of the planar illuminant portion and having a bottom optical film and at least an upper optical film layered above the bottom optical film; and a ring-shaped frame surrounding the planar illuminant portion and having a first extension portion extending along a direction parallel to the first surface, wherein the bottom optical film extends toward the ring-shaped frame more than the upper optical film such that the first extension portion covers at least an edge of the bottom optical film.

Abstract: A chemically and thermally stable phosphor having unconventional light emitting properties and high light emitting intensity with an LED of 470 nm or less, includes an inorganic compound comprising: a crystal designated by A3(D,E)8X14, a crystal designated by Sr3Si8O4N10 or an inorganic crystal having the identical crystal structure of the Sr3Si8O4N10 crystal, which comprises A element, D element, X element, and optionally E element if necessary (A is one or more kinds selected from Li, Mg, Ca, Sr, and Ba; D is one or more kinds selected from Si, Ge, Sn, Ti, Zr, and Hf; X is one or more kinds selected from O, N, and F; and E is one or more kinds selected from B, Al, Ga, In, Sc, Y, and La.), into which M element is solid-solved (M is one or more kinds selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb.).

Abstract: A diffuser is configured to diffuse radiation from multiple light sources. The diffuser includes a substrate having optical structures that exhibit both microvariations and macrovariations along the substrate. For example, an array of microlenses may be provided that include at least one feature that varies as a function of the spacing between the light sources. Lighting systems using these diffusers may also be provided.

Abstract: A planar ion-exchanged glass sheet for out-of-plane light beam coupling includes a first surface, a ion-exchanged first glass region adjacent and parallel to the first surface, a core glass region adjacent and parallel to the first glass region, a ion-exchanged second glass region adjacent and parallel to the core glass region, and a second surface adjacent and parallel to the second glass region. One edge of the glass sheet has an angled end face that is inclined to the plane extends across a thickness of at least one of the glass regions. Methods of making the planar ion-exchanged glass sheet, coupling an out-of-plane light beam into a plane using the planar ion-exchanged glass sheet, and scattering the coupled light to illuminate at least select regions of an exposed surface of the glass sheet are also disclosed.

Abstract: Provided are a light source assembly and a backlight assembly including a lens module. The light source assembly includes: a light source module capable of emitting light and a lens module positioned on the light source module. The lens module includes a light collecting lens collecting the light emitted from the light source module, and a diffusion lens positioned on the light collecting lens, and including an inner curved surface in which light from the light collecting lens is incident and an outer curved surface where the light incident on the inner curved surface exits the diffusion lens, and the light emitted from the light source module forms a light collecting region on the inner curved surface by passing through the light collecting lens.

Abstract: An optical plate and a method of manufacturing the same are provided where the optical plate can be patterned to counter-compensate for luminance hot spots of corresponding light sources. More specifically, there is provided an optical plate comprising a substrate, and a patterned optical processing layer which is disposed on the substrate, wherein the patterned optical processing layer comprises flat area portions located close to the substrate, a plurality of protruding patterns which are located on or between the flat area portions and have concave portions formed at respective ends thereof, and a plurality of light diffusing patterns which are located on the concave portions, respectively.

Abstract: A backlight assembly includes at least one backlight sub-unit, the backlight sub-unit including a light emitting diode (LED) unit that includes at least one LED that emit a predetermined color arranged in a predetermined pattern and a sidewall surrounding the LED unit.

Abstract: An illumination assembly is adapted to illuminate a display module that is visible by reflecting environmental lights. The illumination assembly includes a substrate, a visual-light source, and a light guide. The substrate includes a top surface. The visual-light source is disposed on the top surface and is provided for emitting a visual light. The light guide is disposed corresponding to the top surface of the substrate. The light guide includes a light-incidence surface and a light-emergence surface. The visual light enters the light guide through the light-incidence surface and is reflected at least once. The visual light then exits the light guide through the light-emergence surface and travels along a light-emergence direction.

Abstract: This display device (100) includes a display panel (2) including a substrate mounting member (5) covering a backlight source (4b) and a cover member (6) arranged to partially cover the rear surface of the substrate mounting member and to expose a region in the periphery of at least an outer peripheral portion (51) of the rear surface of the substrate mounting member. The substrate mounting member has a side surface portion (51a, 51b, 51c, 51d), while a corner portion (51e, 51f, 51g, 51h) of the outer peripheral portion formed by the side surface portion of the substrate mounting member has such a shape that adjacent ones of the side surface portion are bonded to each other without a clearance.

Abstract: An LED element includes an LED and a lens located over the LED. The LED has a rectangular light outputting face. The lens has a light outputting face. The light outputting face of the lens includes a first light outputting portion and two second light outputting portions. The first light outputting portion performs a convergent function to light output along a long side of the rectangular light outputting face of the LED. The second light outputting portion performs a divergent function to the light output along a short side of the rectangular light outputting face of the LED. The light emitted from the lens has an energy intensity distribution the same along each of two perpendicular directions of the long side and short side of the rectangular light outputting face.

Abstract: An apparatus for backlighting a large-scale billboard display using indirect lighting comprises a plurality of edges comprising fasteners to attach to a corresponding number of edges of a frame of the billboard display, the attached edges creating an enclosure. The apparatus further comprises at least one coupling for at least one point light source within the enclosure, the at least one point source light disposed vertically and horizontally off-center from the center point of the enclosure and further disposed above a lower media boundary. The jacket further comprises an interior surface comprising a reflective material having at least two planes of primary reflection capable of diffusing light from the at least one point light source across the rear-facing surface of the frame and an exterior surface that blocks substantially all outside light.

Abstract: The present invention provides a hollow backplane and a backlight module using the backplane. The backplane includes a main body and a heat sink mounted on the main body. The main body includes a bottom board and a side board connected to the bottom board. The bottom board forms a plurality of hollow sections. Reinforcement ribs are arranged in the hollow sections. The heat sink is mounted to the bottom board. The bottom board of hollow backplane is made of plastics and forms hollow sections so as to reduce the weight of the backplane. The reinforcement ribs help maintaining the strength of the backplane. With the strength being maintained, the backplane greatly reduces weight, lowers down cost, and is favorable for weight reduction of liquid crystal display device. Further, the backplane has a simple structure and is easy to manufacture, so as to further lower down the manufacture cost.

Abstract: The present invention provides a back frame of flat panel display device, which includes primary assembling pieces and secondary assembling pieces; the primary assembling pieces are of a number of at least two, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; the secondary assembling pieces are arranged inside the back frame and joined to the back frame; some of the primary assembling pieces and the secondary assembling pieces are of first density and first strength and others are of second density and second strength; the first density is greater than the second density and the first strength is greater than the second strength. The present invention also provides a method for manufacturing a back frame of flat panel display device and a backlight system.

Abstract: Disclosed is a printed circuit board, on which a holder for fixing a lamp is mounted, is disposed on an upper surface of a bottom cover, and an inverter supplying a driving voltage to the lamp is disposed on a lower surface of the bottom cover. The printed circuit board is electrically connected to the holder as a conductive pattern is embedded in the printed circuit board. The connector is directly mounted on the inverter, or it is connected to the inverter via a wire. In this case, the connector is also connected to the printed circuit board. Therefore, the connector of the inverter and the connector of the printed circuit board are electrically connected.

Abstract: Disclosed are a backlight unit and a display device including the same. The backlight unit includes: an upper substrate; and a plurality of light source units disposed under the upper substrate, in which the light source unit includes an upper electrode, a lower electrode, and an inorganic emission layer disposed between the upper electrode and the lower electrode, and in the adjacent light source units among the plurality of light source units, at least one of the upper electrodes and the lower electrodes are electrically separated from each other.

Abstract: A backlight unit may be configured for use in an image display device. The backlight unit may include a structural unit. The structural unit may include a first side portion and a second side portion. The first side portion may have a truss structure. The backlight unit may further include a light source that is disposed between the first side portion and the second side portion and is configured to emit light.

Abstract: A lens for an LED backlight module includes a main lens body and a diffusion structure consisting of a plurality of micro lenses. The main lens body includes a light incident face for receiving light from an LED light source and a light exit face opposite to the light incident face thereof. Light leaves the lens from the light exit face. The micro lenses of the diffusion structure are formed on the light exit face of the main lens body. Each micro lens is annular and has a generally triangular cross section. Each micro lens includes a first light scattering surface and a second light scattering surface intersecting with the first light scattering surface. The micro lenses are arranged in a series of concentric circles with regard to a center of the lens. A backlight module source incorporating the lens and the LED light source is also provided.

Abstract: A light guide plate includes a light incident surface and a plurality of micro cylinders protruding from the light incident surface in parallel. Each of the micro cylinders has a circumference surface and two opposite end surfaces. The circumference surface is connected to the light incident surface. The two end surfaces are positioned on two opposite ends of the circumference surface, and are perpendicular to the light incident surface. Each of the two end surfaces is circular arc-shaped, and the radius of each of the two end surfaces is in the range of 0.04 ?m to 0.07 ?m.

Abstract: The present disclosure describes key lighting assemblies, electronic devices and keycaps. In one aspect, a key lighting assembly comprises a keycap defining at least one key. The keycap has one or more decorations. The assembly comprises a keycap, defining a key. The keycap has a non-opaque portion to identify the key. The assembly further comprises a light guide which is mounted in spaced relation with the keycap and an optical radiation source optically coupled to the light guide. The assembly further comprises a first opaque layer disposed on a first surface of the light guide. The first opaque layer defines a first opaque layer opening for passing optical radiation from the light guide to the keycap. The first opaque layer opening is located to permit optical radiation to be transmitted from the light guide to the non-opaque portion.

Abstract: Disclosed herein is a display device including: a display panel; an illuminating device adapted to illuminate the display panel from behind; an adhesive layer adapted to be disposed between the display panel and the illuminating device and bond together respective outer edges of the display panel and the illuminating device. The illuminating device includes a light source, and a housing adapted to house the light source. The housing includes a bottom plate portion, an annular upper plate portion installed at a position facing the bottom plate portion via a given gap and having a recessed-projected surface at a position in contact with the adhesive layer, and a wall portion provided upright along respective circumferential edges of the bottom plate portion and the upper plate portion.

Abstract: The backlight device 12 of the present embodiment includes: a plurality of LEDs 17; a chassis 14 that is a plate-shaped member and on which the LEDs 17 are arranged; a plurality of diffusion lenses 40 that are fixed to the chassis 14, that individually cover the LEDs 17 from the side opposite to the chassis 14, and that exert optical effects on the light from the LEDs 17; a reflective sheet 21 that covers the plate surface of the chassis 14, that exposes the LEDs 17, and that has the lens insertion holes 21 through which the diffusion lenses 40 are respectively inserted; and reflective sheet holding members 30 that hold the reflective sheet 21 from the side opposite to the chassis 14, that engage the adjacent diffusion lenses 40 and 40, and that extend on the sheet surface of the reflective sheet 21 between the adjacent diffusion lenses 40 and 40.

Abstract: A backlight is provided for a direct-view display. The backlight comprises a plurality of discrete light sources (11), such as light emitting diodes, spaced from a diffuser (5). The light sources are arranged as sets cooperating with a mirror structure (101), which surrounds the set to form a region. The regions substantially tessellate the area of the backlight. Each mirror structure (101) comprises a plurality of mirror segments which are curved and concave in cross-section perpendicular to the diffuser (5). The mirror segments extend from around the light sources (11) towards the diffuser (5). The edges of adjacent mirror segments of adjacent regions meet at a meeting line such that all of the meeting lines are at the diffuser (5) or between the diffuser (5) and the light sources (11).

Abstract: A display device comprising a display panel, a diffusing member positioned between the display panel and an observer, and a directional backlight wherein the directional backlight comprises a half angle divergence equal to or less than 15°. The display cover is preferably configured to shift an image displayed on the display panel relative to an observer to obscure a bezel surrounding the display panel. The use of a directional backlight and a diffusing display cover plate allows for a very small gap between the display panel and the display cover plate.

Abstract: A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size.

Abstract: An optical lens includes a first optical surface located at a bottom thereof, a third optical surface located at a top thereof and arranged oppositely to the first optical surface, and a second optical surface extending between the first optical surface and the third optical surface. The third optical surface is recessed downwardly towards the first optical surface. The light from the LED light source enters into the optical lens through the first optical surface, most of the entering light is directly refracted out of the optical lens through the second optical surface, and a part of the entering light that strikes the third optical surface is first reflected by the third optical surface towards the second optical surface via total internal reflection and then refracted out of the optical lens through the second optical surface. A backlight module incorporating the optical lens is also provided.

Abstract: A dual panel display including a backlight module is disclosed. The backlight module includes a light source arranged between a first display panel and a second display panel, and a first diffusion plate and a second diffusion plate between the light source and the first display panel and the second display panel. The light source includes a PCB and LEDs arranged on the PCB. The PCB includes a first side facing toward the first diffusion plate and a second side facing toward the second diffusion plate. The first side and the second side include a plurality of LEDs arranged thereon. The first side and the second side include supporting members for supporting the first and the second diffusion plates such that the distance between the light source and the first and second diffusion plate is sustained.

Abstract: It is an object of the present invention to maintain high brightness of output light while ensuring sufficient color reproducibility in a liquid crystal display device. A liquid crystal display device 10 or 10? according to the present invention includes a backlight device 12 or 40 and a liquid crystal panel 11. The backlight unit 12 or 40 includes LEDs 24 or 44 as light sources. The backlight unit 12 or 40 irradiates the liquid crystal panel 11 with light. The liquid crystal panel 11 includes a pair of substrates 11a and 11b, and a liquid crystal layer 11c. The CF substrate 11a of the liquid crystal panel 11 includes a color filter 19. The color filter 19 includes a plurality of the respective color sections R, G, B, and Y that exhibit the colors of red, green, blue, and yellow, respectively.

Abstract: A light guide plate having a V-cut structure and a backlight module are disclosed. The light guide plate comprises straight-striped V-cut structure sets and a base plate having a light-entering side. The straight-striped V-cut structure sets are formed on a surface of the base plate adjacent to the light-entering side, wherein each straight-striped V-cut structure set is composed of at least one V-cut element, each V-cut element having a first base angle and a second base angle formed between its respective two inclined surfaces and a horizontal surface of the base plate. The first base angle is located closer to the light-entering side than the second base angle is, and is smaller than or equal to the second base angle. The straight-striped V-cut structure sets have a plurality of second average angle values which are gradually decreased from the light-entering side to a central position of the base plate.