Abstract: An optical system includes a light guide member having a light-incident surface, a first surface, a light-emitting surface facing the first surface, a first end surface, a second end surface, a plurality of collimating lenses disposed on the light-incident surface and being arranged along a first direction, and a plurality of prism pieces. The plurality of prism pieces include two or more prism pieces having different inclination angles with respect to the light-incident surface depending on positions of the prism pieces in at least the first direction, and each of the inclination angles of the two or more prism pieces is an angle formed between the first direction and the longitudinal axis of a corresponding prism piece. Each of the inclination angles of the two or more prism pieces increases as the corresponding prism piece is positioned closer to any of the first end surface or the second end surface.

Abstract: A backlight assembly includes a first sub-optical film with first edge portions, and a supporting frame including a first supporting portion which includes rims. At least one rim includes a first positioning groove and second positioning grooves, the first edge portion includes a first positioning portion in the first positioning groove and second positioning portions in the second positioning grooves; a difference between sizes of the first positioning groove and the first positioning portion is a first space, a difference between a size of each second positioning groove and that of the second positioning portion is a second space greater than the first space; the first edge portions include a first sub-edge portion, the first positioning portion is located at a midpoint of the first sub-edge portion, and the second positioning portions are distributed on both sides of the first positioning portion.

Abstract: The present disclosure provides a backlight module and a display device. The backlight module comprises a substrate having a bottom surface; at least two openings disposed on surrounding sides of the substrate and passing through the entire substrate; and a glue frame surrounding and sealed on the surrounding sides of the substrate; wherein the glue frame is provided with a hook corresponding to the openings, and the hook penetrates through the openings from a surface away from the bottom surface of the substrate and is caught on and connected to the bottom surface of the substrate.

Abstract: A display device is provided. The display device includes: a housing, a display panel, a backlight module, and a functional component. The housing includes a receiving chamber having an opening and a front housing located at a side of the receiving chamber where the opening is located, the front housing includes a support frame extending into the receiving chamber; the display panel is located inside the receiving chamber; the backlight module is located at a side of the display panel away from the opening; the functional portion is located at a side of the display panel away from the backlight module. The support frame is configured to fix the functional component and to fix the backlight module, and at least one of the functional component or the support frame is bonded with the display panel to fix the display panel.

Abstract: The present invention relates to the technical field of lighting fittings, in particular to a panel lamp. The panel lamp comprises a frame (1), a lamp panel (2), a light guide plate (3), a reflective sheet (9), a lampshade (4) and a rib (6) supporting the lampshade (4) wherein there is a clearance between the light guide plate (3) and the lampshade (4), which is good in irradiation effect and comfortable for users to use.

Abstract: A display improves the flatness of the vertical side portions of the cover bottom and supplements torsional rigidity, thereby preventing light leakage and also improving display performance, and has an improved structure, which, even if a torsion phenomenon occurs in any one portion of chassis structures according to the fastening of the chassis structures, is capable of preventing the torsion phenomenon from affecting other portions.

Abstract: Presently disclosed is an illuminated cornhole platform comprising a a top portion, at least two side portions, a front portion, a hole portion, at least one leg portion, and a back portion. The cornhole platform is illuminated by an inner illuminating string and an outer illuminating string, one abutting the hole portion and the other wrapped around the outer perimeter for the cornhole platform.

Abstract: Provided is a light emitting semiconductor device comprising a flexible dielectric layer, a conductive layer on at least one side of the dielectric layer, at least one cavity or via in the dielectric substrate, and a light emitting semiconductor supported by the cavity or via. Also provided is a support article comprising a flexible dielectric layer, a conductive layer on at least one side and at least one cavity or via in the dielectric substrate. Further provided is a flexible light emitting semiconductor device system comprising the above-described light emitting semiconductor device attached to the above-described support article.

Abstract: The present invention provides a backlight module, comprising a glue frame, a light guide plate and a backlight source, wherein the glue frame comprises two opposite side walls and end walls connecting with the two side walls, and a loading plate is located at an inner side of the end wall, and a limiting plate is connected between the two side walls, and the limiting plate and the loading plate are respectively located at two opposite sides of the light guide plate, and the light guide plate comprises an incident surface, a limiting block and a limiting slot, and the limiting block and the limiting slot are respectively located on two opposite surfaces of the light guide plate and close to one end of the light guide plate provided with the incident surface. The present invention further provides a display device.

Abstract: Embodiments of the invention provide a backlight module and a display device. The backlight module comprises an outer frame and an optical component, wherein the outer frame includes a body portion and an extension portion connected with each other, the extension portion is positioned on one side of the body portion and has a first bent portion and a second bent portion integrally formed, the body portion has a central region and a periphery region surrounding the central region, the second bent portion is connected to the periphery region of the body portion through the first bent portion and extends to the central region of the body portion, such that a space for accommodating the optical component is enclosed by the first and second bent portions of the extension portion and the body portion.

Abstract: The present invention relates to display technology and more particularly to a frame of backlight module, a backlight module and a display device. The present invention can prevent occurrence of a chip on film crack (“COF”-Crack”) and formation of foreign matters. As for the frame of backlight module, barrier walls are disposed respectively on the opposite two sides of the frame, the vertical distance of the barrier wall located on at least one side of the frame is adjustable with respect to the center of the frame. Both the backlight module and the display device employ the above frame.

Abstract: A backlight unit including a bottom sash, a light guide plate received by the bottom sash, a substrate on which a light emitting device is mounted, the light emitting device irradiating light to the light guide plate, a fixing member fixing the substrate, and a sliding moving part fixing the fixing member in such a manner that the fixing member moves with respect to the bottom sash, wherein the sliding moving part includes a sliding bar and a sliding guide which are formed in the bottom sash and the fixing member respectively.

Abstract: In a direct type point light source backlight using point light sources, a light diffuser is provided that can achieve coexistence of superior luminance, luminance uniformity (front and oblique views), and a color unevenness characteristic even with a desired backlight thickness and a few number of point light sources without using a number of optical films together. Specifically, provided is a light diffuser for point light sources, the light diffuser having a plurality of convex portions formed on a surface thereof, wherein the convex portion has a substantially triangular pyramid shape whose bottom surface is a triangle, and an inclined angle ? with respect to a bottom surface of a side surface of the substantially triangular pyramid shape and a refractive index A of a material forming the convex portion satisfy the following equations (1) and (2). ???40A°+115.2°??(1) ??25A°+22.

Abstract: The present disclosure relates to a backlight frame including a frame body, which has a first and a second side wall opposite to each other, and a third and a fourth side wall opposite to each other, wherein at least one first protrusion is arranged in the frame body close to the first side wall, at least one second protrusion is arranged wall in the frame body close to the second side, at least one third protrusion is arranged in the frame body close to the third side wall, and at least one fourth protrusion is arranged in the frame body close to the fourth side wall. The first, second, third and fourth protrusions together define a placement area for disposing a light guide plate. Through a placement area with a regular shape for disposing the light guide plate cut in a regular manner therein, the utilization of raw material for the light guide plate to be cut can be effectively improved, and the production cost of the light guide plate can be finally reduced.

Abstract: The present invention relates to an LED backlight module, which includes an LGP, an LED light bar, a backplane, and a heat sink. The LED light bar is mounted on the heat sink at a location close to a light incidence side of the LGP. The heat sink forms upward-extending LGP positioning columns that are fixed with respect thereto. The LGP positioning columns extend upward and through the LGP so as to fix the LGP with respect to the heat sink. The heat sink is arranged on the backplane in a manner of being movable in a light incidence direction. The heat sink is movable with expansion or contraction of the LGP so as to maintain light coupling distance between the LGP and the LED light bar. The LED backlight module prevents the LGP from waving resulting from heat or mechanical interference.

Abstract: A supporting member usable with a backlight unit of an image display apparatus includes a supporting portion that is formed of a transparent material, is disposed below the diffuser plate to support the diffuser plate, and has a first end being in contact with the diffuser plate; and a base that is formed at a second end of the supporting portion and fixes the supporting portion to an under chassis of the backlight unit.

Abstract: The backlight device (24) is provided with a bottom plate (22a), a light-guide plate (20) that has a light-receiving face (20a) on a side face and that is arranged such that the back surface of the plate is oriented to face the front of the bottom plate (22a), an LED light-source (28) that is arranged opposite to the light-receiving face (20a) on the front surface of the bottom plate (22a), a reflective sheet (26) that is arranged to be in contact with the bottom surface of the light guide plate (20), a protruding member (38) that is formed so as to protrude from the front surface of the bottom plate (22a) and that has, as top surfaces, a first surface (38a) provided so as to contact the surface of the reflective sheet (26) on the side opposite of the bottom plate and a second surface (38b) that is separated from the first surface (38a) by a step (38c) and that, between the light-receiving face (20a) and the LED light source (28), is higher than the back surface of the light guide plate (20).

Abstract: Embodiments described herein are directed to a lighting fixture including a lightguide that distributes light from a major surface, a light assembly including light sources arranged linearly, and a frame including a means for providing a force that urges the light assembly against an edge of the lightguide. A standoff or spacer can provide an air gap between a light source of the light assembly and the waveguide edge. In various embodiments, the lighting fixture may incorporate a spring, a spring finger, a spring clip, a screw, or other means for securing the light assembly against the edge of the lightguide. In this manner, substantially all light provided by the light assembly is emitted into the edge of the lightguide. The fixture is formed to accommodate tolerances among elements of the lighting fixture, while maintaining the light assembly securely against the edge of the lightguide.

Abstract: The present invention provides a backlight module, which includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) mounted on the backplane (2), and a heat dissipation film (220) mounted on the backplane (2). The heat dissipation film (220) is made of graphene and has a thickness of 0.01-0.05 mm. The backlight module of the present invention provides includes a graphene-made heat dissipation film formed on a backplane to effectively improve the heat dissipation performance of the backlight module, allowing thermal energy to be uniformly distributed on the entire surface of the heat dissipation film in the plane direction to eliminate localized hot spots. Further, the graphene material is light-weighted so that addition of the heat dissipation film made of graphene does not significantly increase the weight of the backlight module.

Abstract: A backlight module and a backlight lamp guide for the backlight module. The backlight lamp guide (5) comprises: a fixed base (3); a lamp clamping portion (2) provided on a first side of the fixed base (3); and a snap-fit structure (4) provided on a second side of the fixed base (3) opposite to the first side, wherein the snap-fit structure (4) comprises a snap-fit resilient structure (44); when the snap-fit structure (4) and a back cover (7) are snap-fitted, the snap-fit resilient structure (44) is elastically deformed, to exert an elastic retaining force on the back cover (7) in a direction away from the fixed base (3). The snap-fit resilient structure (44) facilitates a sufficient snap-fit of the snap-fit structure (4) with the back cover (7) of a backlight module.

Abstract: An illumination apparatus includes: a light-guiding plate; a plurality of light-emitting elements disposed along a side-end surface of the light-guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements has a light-emitting surface which faces toward the light entry portion; a light source substrate, disposed and separated with a space from the light entry portion of the light-guiding plate when viewed from above, that includes a mounting surface for the plurality of light-emitting elements, the mounting surface being orthogonal to the side-end surface serving as the light entry portion; and a step portion with which an end portion of the light source substrate located toward the light-guiding plate makes contact.

Abstract: The present invention provides a flat panel display device, which includes a backlight system and a display panel, the backlight system including a light source, a light homogenization mechanism, and a back frame; the back frame carries the light source and the light homogenization mechanism, the light homogenization mechanism guiding light from the light source to a light incidence surface of the display panel; the back frame 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

Abstract: A backlight assembly includes: a light guide; a light source at one side of the light guide and separated from the light guide; a circuit board on which the light source is mounted; and a buffer member between the light guide and the circuit board. An opening is defined in the buffer member and exposes the light source.

Abstract: The present invention discloses a fluorescent lamp assembly for a liquid crystal display. The assembly comprises a bracket having a fluorescent lamp fixing channel and a wire fixing channel; a fluorescent lamp positioned inside the fluorescent lamp fixing channel; a conductive elastic member positioned inside the bracket with one end thereof connected to the fluorescent lamp through the fluorescent lamp fixing channel; and wire positioned in the wire fixing channel. One end of the wire is connected to the other end of the conductive elastic member.

Abstract: An electro-optic device including an electro-optic panel, a dust-proof substrate attached to one of surfaces of the electro-optic panel, and a holding member having a supporting portion that supports an end portion of the dust-proof substrate and a main body portion arranged so as to surround the electro-optic panel.

Abstract: An illumination device includes a light source unit having a light emitting panel, and a mounting unit attached to a non-light-emission surface of the light source unit and provided with a circuit board for controlling energization of the light emitting panel. The mounting unit includes a connection terminal to which an external conductor for electrically interconnecting the circuit board and an external device is connected. The connection terminal is arranged inward of an outer peripheral end of a surface of the mounting unit to which the light source unit is attached. A clearance for passing the external conductor therethrough is formed between the light source unit and the mounting unit in a state that the external conductor is connected to the connection terminal and the mounting unit is attached to the light source unit.

Abstract: A lighted mounting apparatus for a promotional glass holder including a channel which is lined on the bottom by a LED strip, a pair of extrusions to receive and hold a promotional glass, and a low voltage power supply.

Abstract: A light assembly, a backlight module and a liquid crystal display are described. The light assembly includes a carrier, a light guide plate, a light source, a constraining member and a securing unit. The light guide plate is disposed on the carrier and has an incident surface. The light source which emits light towards the light guide plate and is adjacent to the incident surface of the light guide plate. The constraining member is disposed above the carrier and has a constraining surface. The securing unit is used to combine the constraining member with the carrier while the light guide plate is restrained against movement by the constraining surface of the constraining member.

Abstract: A liquid crystal display device includes at least one engagement structure for fixing a bezel (10) to a chassis (40). The engagement structure includes a recessed portion (42) formed in a side surface (41) of the chassis and a pair of arms (50a, 50b) formed in a side wall (11) of the bezel. The pair of arms is each cantilevered and placed such that the fixed ends (51a, 51b) are positioned outward relative to the free ends (52a, 52b), respectively. The pair of arms can mutually support each other by being elastically deformed toward the chassis, and the free ends of the arms are at least partially fitted in the recessed portion of the chassis when the pair of arms is in the mutually supporting state, thus fixing the bezel to the chassis. Consequently, it is possible to reduce the width of the frame area and to automate the process of fixing the bezel.

Abstract: An edge-type backlight module and a liquid crystal display using the same. The edge-type backlight module comprising a printed circuit board having a supporting surface; plural light emitting diodes disposed on the supporting surface, each of the light emitting diodes comprising a light emitting surface and the light emitted by the light emitting diode being emitted from the light emitting surface; a reflective film disposed on the supporting surface; a light guide plate disposed above the reflective film so that the reflective film being disposed between the light guide plate and the supporting surface; a reflective surface disposed on a side edge of the light guide plate and kept a distance from the light emitting diode, the reflective surface used for reflecting the light emitted from the light emitting surface; and a dark surface disposed on the supporting surface for absorbing the light reflected by the reflective surface.

Abstract: A display device includes a systematic back plate, a backlight module, and a display panel. The systematic back plate includes a first plate and a second plate. The first plate includes a supporting face and a first side, wherein the first side extends to form a bending part. The bending part bends back with respect to the supporting face and extends toward the center of the supporting face, wherein the bending part forms a clamping space with the supporting face. The first plate and the second plate are made of different materials. The second plate includes a connecting end connecting to the boundary of the first side and the bending part. The backlight module is disposed on the supporting face and supported by the supporting face. At least a portion of the backlight module is received in the clamping space. The display panel is disposed above the backlight module.

Abstract: The present invention provides a backlight module, which includes a backplane, a backlight source arranged inside the backplane, a reflector plate arranged inside the backplane, a light guide plate arranged on the reflector plate, and a mold frame mounted to the backplane. The mold frame forms a projection. The backplane forms a retention slot corresponding to the projection. The projection and the retention slot mate each other through interference fitting, whereby with the interference fitting between the projection and the retention slot, the mold frame is fixedly connected to the backplane. The backlight module uses a projection formed on the mold frame and a retention section formed in the backplane to mate the projection through interference fitting pawl section so as to fixedly mount the mold frame to the backplane through interference-fitting connection thereby showing a simple structure, being easy to assemble, effectively saving time, and thus controlling the cost.

Abstract: A lighting system for an information display device, the lighting system including a light guide including at least one area into which the light produced by a light source is injected, the light guide also being used as a guide element for at least one electrical connector for the electrical connection between the information display device and an electronic control circuit of the information display device, wherein the light guide is coated, in the light injection area, with a layer of electrically non-conductive material which absorbs light.

Abstract: An LED lighting device, in particular an LED retrofit lamp, comprising a light-emitting means (2) having at least one LED (16) and a lampholder (1) for accommodating the light-emitting means (2), and at least one elastic element (12), which braces the light-emitting means (2) in the lampholder.

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 frame for pressing an optical film of a LCD device. The frame includes a supporting component and a loading component bending along from the edge of the supporting component. A first rib and a second rib are arranged on the side of the loading component adjacent to the supporting component for pressing the optical film along with the edge of the loading component, and the thickness of the first ribs is greater than that of the second ribs. The present invention further discloses a LCD device. According to the ways mentioned above, the first ribs and the second ribs with different thicknesses on the loading component of the frame fits for the optical films with two thicknesses to save cost and to conduce mass production.

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 an assembly method for backlight module and assembly equipment thereof. The method includes: stacking reflector, light-guiding plate and optical film to form a component entirety and fixing the component entirety; fixing at least two main connection elements in head-to-tail manner to form a back plate on four sides around the component entirety so as to fix reflector, light-guiding plate and optical film to corresponding position on the back plate respectively. The method is suitable for realization with automatic equipment. Through automatic equipment to assemble backlight module, the assembly efficiency can be improved to reduce the labor required for backlight module assembly and reduce labor cost.

Abstract: A backlight device 24 according to the present invention includes: LED substrates 30; LED light sources 28 placed on the surfaces of the LED substrates 30; a light guide plate 20 having light-receiving surfaces 20a on the side faces, the plate being placed such that the LED light sources 28 and the light-receiving surfaces 20a face each other; a chassis 22 having a bottom plate and a plurality of side walls 22b, 22c, 22d, and 22d standing upright from the bottom plate, the chassis being open on a top side opposite to the bottom plate and storing at least the LED light sources 28 and the light guide plate 20; and spacer members 34 for regulating the gaps between the side walls and the light guide plate 20, the spacer members being made of an elastic material. The LED substrates 30 are placed along the surfaces of the side walls, and the spacer members 34 are placed in the corners between the adjacent side walls 22b, 22c, 22d, and 22d.

Abstract: A display device includes a display panel which displays an image, a backlight unit which supplies the display panel with light, an upper cover, and a lower cover. The upper and lower covers accommodate the display panel and the backlight unit. The backlight unit includes light guide plates spaced apart from each other, a light source part, an optical member and an optical diffusion member overlapping a space between the light guide plates. The optical diffusion member includes a diffusing part and a supporting part. The diffusing part faces the optical member, overlaps the space between the light guide plates, and diffuses light emitted from the light source part toward the optical member through the space between the light guide plates. The supporting part protrudes from a surface of the diffusing part which is opposite to the optical member, and is in a space between the light sources.

Abstract: A backlight module includes: a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane to correspond to the backlight source, a reflector plate disposed on a bottom of the light guide plate, an optic film disposed on a top of the light guide plate, and elastic members mounted to the backplane. The optic film has a top edge forming suspension sections and two first sidewalls respectively at left and right sides and each forming lugs. The suspension sections form first through holes. The lugs form second through holes. The backplane forms suspending pegs corresponding to the first through holes. The first through holes are mounted on the suspending pegs and the elastic members securely hold the second through holes and are mounted to the backplane so as to fix the optic films on the light guide plate.

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 present invention provides a flat panel display device. The flat panel display device includes a backlight system and a display panel, wherein: the backlight system includes a light source, a light homogenization mechanism, and a back frame; the back frame carries the light source and the light homogenization mechanism and the back frame includes at least first and second primary assembling pieces, in which the first primary assembling piece has an end forming at least two joint sections, and each of the joint sections has a structure mating an end of the second primary assembling piece. The back frame further includes a plurality of bracing pieces that are fixed to the primary assembling pieces. The bracing pieces include adjustable bumps mounted thereon and the adjustable bumps provide various mounting structures. The present invention also provides a stereoscopic display device and a plasma display device.

Abstract: A light emitting module and a display device including the light emitting module are provided. The light emitting module may include a metal plate, a board, and a plurality of light emitting diodes. The board may be attached to a side surface of the metal plate, and light emitting diodes may be arranged on the board.

Abstract: Provided is an illuminating device capable of preventing a light guide plate from being shaved because of contact with a fixation member on a back face side of an end portion of the plate. The illuminating device includes alight guide plate (11), a chassis (14) housing the plate and including a bottom plate (14a), and a light source holding member (15) fixed to the bottom plate by a fixation screw (16) and holding a light source (21) close to a light entrance face (11a) of the light guide plate, and further includes a concave portion 12 preventing contact between a screw head (16a) of the screw and the light guide plate and disposed on a back face of an end portion (11d) of the light guide plate at a position where the head is to be disposed if the screw is disposed on a side of the back face.

Abstract: The present invention provides a back frame of flat panel display device. The back frame includes at least two primary assembling pieces and the at least two primary assembling pieces are connected through joining; the at least two primary assembling pieces having lengths that are adjustable in order to form a main frame structures of the back frame that is of various sizes, in which lengths of two parallel sides of the main frame structure are both subjected to adjustment. The present invention also provides a method for manufacturing a back frame of flat panel display device and a backlight system. Through above arrangement, the back frame mold is made simple in structure and the expenditure of the back frame mold is reduced, and the material used for back frame is saved so as to lower down the manufacturing cost of flat panel display device.

Abstract: A control apparatus is provided with a substrate disposed inside a main case and on which light sources are mounted. A surface panel in which light-source display windows are formed at positions opposite the light sources, is also disposed in the main case. The outer rim of the surface of the surface panel facing the main case is affixed to the front-surface rim of the main case with an insulating part sandwiched therebetween.

Abstract: The present invention discloses a back light module and a liquid crystal display (LCD) thereof. The back light module comprises a light guide plate, an optical sheet laid on the light transmission surface of the light guide plate, wherein the edge of the optical sheet is fixed to the light guide plate by a plurality of positioning structures. With application of the positioning structures, because the expansion coefficient of the optical sheet is not nearly to that of the frame but is close to the thermal expansion rate of the light guide plate, after the optical sheet is fixed to the light guide plate, the light guide plate is expanded along with the expansion of the optical sheet when subject to heating, and shrunk along with the shrinking of the optical sheet when the temperature drops.

Abstract: A display device is provided with a backlight system and a display panel which controls and selectively transmits light from the backlight system, and the device is formed such that the backlight system contains the light source, the light guide plate OG and the optical sheet OS within a lower frame SF and has such a structure that the lower frame is covered by a middle frame NF that covers around an opening on an upper surface of the lower frame, at least one portion around the light guide plate is provided with an elastic member EP placed between the lower frame and the light guide plate, and the elastic member is provided with a protrusion that covers part of an upper surface of the light guide plate, and the middle frame presses (B) the elastic member against the lower frame so that the protrusion holds (C) the light guide plate within the lower frame.

Abstract: A waterproofing backing adhesive structure is disclosed. The waterproofing backing adhesive structure is applied to an electronic device having a front cover and a display panel. The waterproofing backing adhesive structure includes an adhesive main body, an adhesive material, and a plurality of air chambers. The plurality of air chambers are formed on at least one of the surfaces of an upper surface or a bottom surface of the adhesive main body which is attached with the adhesive material for accommodating the air of a bubble generated when the adhesive main body is attached to the front cover or the display panel. The plurality of air chambers are for releasing the pressure of the bubble.