Abstract: A backlight module includes a chassis, a printed circuit board, a light source, and a light guide plate. The chassis includes a bottom plate and a sidewall. The sidewall is disposed on at least one side of the bottom plate. The sidewall has a recess therein. At least one part of the printed circuit board is located in the recess. The light source is electrically connected to the printed circuit board. The light incident side of the light guide plate is opposite to the light emitting side of the light source.

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: The present invention provides a backlight module and a lamp fastener thereof. The lamp fastener has at least two support rods, two movable levers and at least two retaining bars, all of which constructs a movable mechanism for providing at least one closed movable space to stably clamp and position at least one backlight lamp. Thus, it can efficiently prevent the backlight lamp from being separated from the lamp fastener, so that the installation reliability of the backlight lamp and the yield of the impact test thereof can be efficiently enhanced.

Abstract: A light source module including a back frame, a light guide plate (LGP), and at least one light emitting device is provided. The back frame has a baseboard. The LGP is disposed on the back frame, and has a first surface, a second surface opposite to the first surface, and a light incident surface, wherein the second surface faces toward the baseboard. The light emitting device is disposed beside the light incident surface. The light source module further includes a thermal insulating element, which is disposed between the baseboard and the second surface, and is located adjacent to the light incident surface.

Abstract: Provided are a backlight assembly and a display device having the same. The backlight assembly includes; a light guide plate (“LGP”) having a light incident portion upon which light is incident and an opposite portion which is disposed substantially opposite to the light incident portion, a lower housing which accommodates the LGP therein, and at least one LGP fixing tape which fixes the LGP into the lower housing, wherein the at least one LGP fixing tape is interposed between the lower housing and lower surfaces of two opposite ends of the light incident portion of the LGP.

Abstract: An edge-lighting type backlight module includes a light guide plate, a light source module, a back plate, a thermal conductive element, and a thermal insulating element. The light guide plate has a light-emitting surface, a bottom surface opposite the light-emitting surface, and at least one side surface connected between the light-emitting surface and the bottom surface. The light source module is disposed adjacent to the side surface, and the back plate is disposed adjacent to the bottom surface. The thermal conductive element has a base portion touching the light source module and an extension portion extending to one side of the back plate. The thermal insulating element is connected between the back plate and the thermal conductive element to reduce the heat conduction between the light source module and the back plate.

Abstract: A liquid crystal display (LCD) assembly includes a liquid crystal display device for displaying images, a first frame receiving the LCD device, a second frame receiving the first frame, at least a clamping component, and at least an ejecting component. The at least a clamping component is mounted between the first frame and the second frame and configured for clamping the first frame in the second frame. The at least an ejecting component is mounted between the first frame and the second frame and configured for providing a driving force for ejecting the first frame out of the second frame.

Abstract: A method and system are set forth for automatically adjusting keypad luminance based on display content. In one embodiment, the method comprises calculating a lighting level based on ambient light; calculating a luminance level of an image on the display; setting a maximum lighting level to the luminance level of the image on the display; and in the event the calculated lighting level exceeds the maximum lighting level then selecting the maximum lighting level, and in the event the calculated lighting level does not exceed the maximum lighting level then selecting the calculated lighting level.

Abstract: A light-emitting device of a portable communication terminal improves exterior decoration by emitting light to the exterior of the portable communication terminal and implements a sense of unity of a design in a non-light emission state by integrating a portion to which the light is transmitted with a main body housing. The light-emitting device includes a housing, a light-emitting element for emitting light, a light guide sheet for guiding the light from the light-emitting element, and a light-transmitting portion integrally formed on the housing for transmitting the light from one end of the light guide sheet to an outer side of the housing. A sense of unity of the main body housing and the light-transmitting portion can be improved by applying a non-conductive vacuum metallizing (NCVM) process to the exterior. An aesthetic sense is improved with the sense of unity of the exterior design.

Abstract: The present invention relates to a backlight module having housing provided with groove structure, wherein the backlight module comprises: a housing, a plurality of LED chips, a thermal conductive layer, a reflector, and a light guide plate. In which, the housing has a groove formed on a housing bottom thereof, and the circuit layer is disposed in the groove through a first thermally conductive insulating layer. In addition, the plurality of LED chips are disposed in the housing and welded on the circuit layer. In the present invention, the circuit layer and the LED chips are disposed in the groove of the housing, therefore, when mass producing the backlight module, it is able to ensure that the position of LED chips would correspond to the circuit layer in the housing, such that each the backlight module manufactured by mass production can be used for providing a stable light source.

Abstract: Provided is a frame connecting member for connecting a plurality of frame members to provide a frame of a lighting apparatus. The frame connecting member includes a body, an engaging unit connected to the body, the engaging unit being configured to be coupled to the plurality of the frame members, respectively, and a light leakage prevention unit connected to the body, the light leakage prevention unit being configured to prevent a light emitted from the lighting apparatus from leaking.

Abstract: A display device includes a top housing, a bottom housing, and a display module. The top housing is engaged with the bottom housing. The bottom housing includes a base and a fixing frame. The base and the fixing frame are integrally formed, and cooperatively define a receiving space. The fixing frame includes a reflective inner side surface. The display module is received in the receiving space. The reflective inner side surface reflects the light emitting from the side surface of the display module to the inner portion of the display module.

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 backlight unit of a display apparatus is provided. The backlight unit includes a display housing, a light source which is arranged along an inner circumference the display housing, a light guide plate through which light of the light source is transmitted, and which forms surface light, an optical sheet which is disposed on an upper side of the light guide plate to upwardly diffuse the light of the light source transmitted through the light guide plate, a plurality of first fixing units, each of which fix both the light guide plate and the optical sheet, a plurality of second fixing units which support only the light guide plate, and a support frame which is connected to the display housing to fix the optical sheet to the display housing provisionally, and has a window formed on a surface corresponding to the light guide plate to allow light to pass therethrough.

Abstract: In a light source apparatus, a method of manufacturing the light source and a backlight assembly having the same, a light guide plate (LGP) includes an upper surface and a lower surface facing each other and a first side surface and a second side surface. The light source is placed in the LGP adjacent to the first side surface and emits light toward the second side surface. The power supply unit is electrically connected to the light source and partially placed in the LGP. The light source may include a lamp or a light-emitting diode (LED). The power supply unit may include a wire or a power supply substrate. The light source apparatus may be formed by an injection molding process using lower and upper mold frames. Therefore, backlight assembly size, the number of parts and manufacturing steps may be decreased, and the illumination quality may be improved.

Abstract: An enhanced light fixture containing a volumetric diffuser to control the spatial luminance uniformity and angular spread of light from the light fixture is disclosed. The volumetric diffuser provides increased spatial luminance uniformity and efficient control over the illuminance such that power reductions, reduced cost or reduced size may be achieved. The volumetric diffuser contains one or more regions of volumetric light scattering particles. The spread of illumination of light from a light emitting source can be efficiently controlled by using a thin, low cost, volumetric, diffuser to direct the light in the desired direction. This allows the reduction in number of light sources, a reduction in power requirements, or a more tailored illumination. When the volumetric diffuser is used in combination with a waveguide to extract light, the light is efficiently coupled out of the waveguide in a thin, planar surface.

Abstract: A backlight module includes a support frame, two light sources, and a light guide film. The support frame includes a support portion and a fixing portion connected to an edge of the support portion, and the support frame defines at least one receiving groove. Each light source includes a light output surface and is received in the support frame. The light guide film includes two light input surfaces at the opposite ends thereof and two light guide portions connected with the light input surfaces. The light input surfaces of the light guide film face the light output surfaces of the light sources.

Abstract: A backlight module includes a front frame, a backboard, and a light source. The front frame and the backboard define opposite outermost surfaces of the backlight module. The backboard includes a frame and a light-shield plate. The frame is coupled with the front frame. The frame has a plurality of plates surroundingly defining an empty part and at least one side wall extending from one of the plates to be coupled with the front frame. Each one of the plates has a first surface, a second surface opposite to the first surface, and at least one rib and/or trough, and the rib and/or trough is disposed on the first surface and is spaced apart from the side wall. The light-shield plate covers the empty part. The light source is disposed between the front frame and the backboard.

Abstract: The present disclosure relates to the present disclosure relates to a liquid crystal display device adapting a guide panel having a reinforced structure. A liquid crystal display panel according to the present disclosure comprises: a liquid crystal display panel; a light guide plate disposed under the liquid crystal display panel; an LED light source disposed one side of the light guide plate; a cover bottom housing the LED light source and the light guide plate; and a guide panel supporting the liquid crystal display panel, and wraping the LED light source and the light guide plate at outside, wherein the guide panel has an outer vertical surface and a support rib apart from the outer vertical surface inward to form a space for holding a vertical surface of the cover bottom. With simple structure on the guide panel, the reliability of the liquid crystal display panel is enhanced remarkably.

Abstract: A display includes a display panel and a backlight module. The backlight module is configured below the display panel and includes a light guide plate (LGP), a light source, an optical film, and a pad. The light source is located near the LGP. The optical film is configured on the LGP. The pad is located between the optical film and the display panel. A first surface of the pad is fixed to the optical film, and a second surface of the pad is slidable relative to the display panel.

Abstract: In order to accurately illuminate a lighting target with planar light having few nonuniformities, a backlight (2) is provided with a light guide plate (5) having multiple leg members (531) protruding from an attachment part (53), which is the surface opposite of an emission part (52), and a chassis (4) having holding units (411) into which the leg members (531) are inserted.

Abstract: One or more embodiments of the invention provide an apparatus and method for producing an image on a display screen that extends to the pixels or image elements disposed at the edge of the display screen. The display screen has an optical element with a thickness and an index of refraction that are selected to direct light to pixels or image elements disposed at the edge of the display screen without passing through the portion of the optical element that is blocked by a support frame or other structural member disposed on the rear surface of the display screen. Positioning such display screens together into a single screen assembly produces a tiled display having a much less noticeable grid pattern visible to the viewer.

Abstract: A backlight assembly includes a light guide plate (LGP) having a stepped portion formed at a corner of the LGP, an optical sheet disposed over the LGP and a receiving container receiving the LGP and the optical sheet. The receiving container includes a bottom plate, first through fourth sidewalls and a first LGP fixing portion. The second sidewall is adjacent to the first sidewall. The third sidewall faces the first sidewall. The fourth sidewall faces the second sidewall. The first through fourth sidewalls are extended upwardly from edge portions of the bottom plate. The first LGP fixing portion is formed at the first sidewall such that the LGP fixing portion corresponds to the stepped portion of the LGP. Therefore, a display device is easily assembled. Furthermore, a defilement that may occur during an assembling process may be reduced to enhance productivity.

Abstract: A liquid crystal display module includes a liquid crystal display panel to display an image; a back light unit to irradiate light onto the liquid crystal display panel includes a luminescent lamp to emit light, a light guide panel to convert light emitted from the luminescent lamp into plane light and to emit the plane light, a lamp housing to fix the luminescent lamp to the light guide panel, the lamp housing condenses the light generated from the luminescent lamp, a reflection plate formed on the rear surface of the light guide panel to reflect light, and optical sheets formed on the front surface of the light guide panel; a main support to receive the liquid crystal display panel and the back light unit; and a reinforcing member formed on the rear surface of the light guide panel and overlapping the lamp housing and the reflection plate.

Abstract: An electronic device such as a portable computer may have a housing with a rectangular recess in which layers of display structures such as a light guide panel layer and other light guide structures are directly mounted without intervening chassis members. Mating alignment features in the housing and display structures may be used to align the display structures relative to the housing. A display may be formed from glass layers such as a color filter glass layer and a thin-film transistor glass layer. Backlight for the display may be generated by an array of light-emitting diodes. The light guide panel may direct light from the light-emitting diodes through the glass layers. A clamp may be used to hold the light-emitting diodes and light guide structures in place in the recess. An undercut in the housing may also hold the light guide structures in place.

Abstract: In a flat panel display having a first housing and a second housing, features of a frame and a plastic support and a top support, which support, position, and fix each component, are incorporated into the outer top and bottom case, such that no additional structure component is needed for the flat panel display. The first housing has supportive parts and side portions for assembling and supporting each component of the flat panel display and the second housing is then assembled to the first housing for completion of the assembling of the flat panel display.

Abstract: An electro-optical device includes: an element substrate and an opposing substrate disposed so as to oppose each other; liquid crystals encapsulated and sealed between the two substrates; a display region that displays an image by modulating incident light based on image information; a heat dissipation member disposed opposing a second surface of the element substrate, the second surface being on the opposite side as the opposing substrate; and a thermal conductive member disposed between the element substrate and the heat dissipation member. The dimension from the end portion of where the thermal conductive member and the element substrate make contact with each other to the end portion of the display region on the second surface of the element substrate is greater than the thickness of the element substrate.

Abstract: A heat dissipating member is formed so as to be opposed to a reflection type liquid crystal panel. The heat dissipating member includes a heat receiving portion that is opposed to a reflection type light modulation element and has a heat receiving surface for receiving heat from the element, a heat dissipating fin that dissipates heat received on the heat receiving portion to the outside. The heat receiving portion has heat receiving convexes which project to the side at which the element is arranged from the heat receiving surface, and the convexes are formed such that ratios of areas of tip surfaces of the heat receiving convexes with respect to a unit area are larger on a center portion of a heat reception acceleration region rather than on an end of the heat reception acceleration region.

Abstract: A backlight unit and a liquid crystal display device having the backlight unit are discussed. According to an embodiment, the backlight unit includes a frame including an opening, a light guide plate attached to the frame and formed larger than the opening, an adhesive member formed between the light guide plate and the frame, a colored light source providing colored light to the light guide plate, and a fluorescent excitation sheet formed on the light guide plate to emit colored light incident through the light guide plate as white light, wherein the adhesive member is disposed around lateral sides of the light guide plate.

Abstract: A light source device and a display device in which wrinkle or warpage of sheet-shaped or film-shaped optical members is prevented or minimized. A light source device (2b) includes sheet-shaped or film-shaped optical members (26a, 26b, 26c) arranged to control properties of light that passes therethrough and a chassis (11b) to which the sheet-shaped or film-shaped optical members (26a, 26b, 26c) are attached, the chassis (11b) includes a plurality of fitting protrusions (hooks) (114a, 114b, 114c) that are vertically movable and are pushed upward by pushing mechanisms in a normal usage state, a plurality of fitting holes (261) each having a through hole shape are disposed adjacent to upper sides of the sheet-shaped or film-shaped optical members (26a, 26b, 26c) in the normal usage state, and the optical members (26a, 26b, 26c) are hung on the fitting protrusions (114a, 114b, 114c) of the chassis (11b) in the fitting holes (261).

Abstract: A display apparatus includes a display panel and a light guide unit. The light guide unit includes a body portion and a support portion. The body portion includes a light outputting surface near the display panel, and the support portion is placed on the edge of the light outputting surface to support the display panel. The support portion has an inclined surface, and at least one groove is formed between the inclined surface and the display panel for accommodating glue that combines the display panel and the light guide unit. In addition to being disposed in the groove, glue may be further disposed in a gap between the display panel, a back bezel, and the light guide unit.

Abstract: A shelf of communication equipment provides frontal illumination of a face plate of the shelf. Specifically, a shelf in a rack in a communication network includes a face plate and a bezel. The face plate has a first exterior surface that carries a legend. The bezel forms a second exterior surface extending in a predetermined direction transverse to the first exterior surface. For example, if the first exterior surface is vertical, the second exterior surface is horizontal and overhangs the first exterior surface. During operation, electromagnetic radiation generated by a source enclosed by the bezel exits through the second exterior surface and directly illuminates at least the legend, and optionally also illuminates a electronic device adjacent to the legend, such as an LED or a jack, if such a device is present on the first exterior surface.

Abstract: A fixing mechanism for a backlight module and a backlight module are provided in the present invention. The fixing mechanism comprises a plurality of retaining posts and a plurality of retaining sheets. The retaining posts are protruded from a back plate. The retaining sheet is engaged with an upper end of the retaining post for fixing an optical assembly. Moreover, the part of the fixing structure is made of elastic materials, so that it besides can steadily fix the optical film and make no clearance to be created, and also can prevent the optical film from escaping from orientation under the effect of hot-expansion and cold-shrinkage.

Abstract: A glass or plastic wall structure with nested channel members is provided with electroluminescent strips running along the channel flanges to provide an internal illumination. In particular, it relates to illuminated transparent walls or internal partitions of a building or similar fixed construction.

Abstract: A backlight module includes a light guide plate having a light input surface, a light source adjacent to the light input surface of the light guide plate, and a frame unit receiving the light guide plate and the light source. The frame unit includes a back plate and a light reflective layer. The back plate defines a plurality of openings, and the light reflective layer covers the back plate and fills the openings. A method for manufacturing the backlight module is also provided.

Abstract: A lighting device for a display device includes a plurality of linear light sources and a light source holding member arranged to hold the linear light sources. The light source holding member includes a first member and a second member. A sliding mechanism is provided between the first member and the second member, so as to allow parallel displacement of the first member and the second member relative to each other. The first member includes a first light source holder arranged to directly hold a first linear light source of the plurality of linear light sources. The second member includes a second light source holder arranged to directly hold a second linear light source other than the first linear light source.

Abstract: The lighting module includes: a case including an opening from which light is emitted, a base portion corresponding to the opening, and a seat on at least one side of the base portion; a light source unit disposed on the seat; a light guide plate placed within the case and optically connected with the light source unit; and a diffusing plate placed within the case and placed below the light guide plate, wherein the lighting source unit includes a substrate, a plurality of light emitting diodes (LEDs) disposed on the substrate, and a sub-reflector which is disposed on the substrate and covers the plurality of the LEDs, and wherein at least 90% of the light emitted from the LEDs is directly irradiated onto the light guide plate.

Abstract: An embodiment of this document relates to a liquid crystal display device. A liquid crystal display device in accordance with an aspect of this document may comprise a mold frame; a liquid crystal panel supported by the mold frame and having a display area and non-display area; a polorizer film disposed at least one surface of the liquid crystal panel; a light source substrate supported by the mold frame and having a light source; a light guide plate deliver the light produced by the light source to the liquid crystal panel; a plurality of optical sheets disposed on the light guide plate; a black frame disposed between the optical sheets and the liquid crystal panel and having an exposal area corresponding to the display area of the liquid crystal panel; and a dummy film disposed between the liquid crystal panel and the black frame.

Abstract: A backlight assembly includes a light source, a light-guiding member, a mold frame and a printed circuit board (“PCB”). The light source generates light. The light-guiding member guides the light generated from the light source. The mold frame receives the light-guiding member. An opening is formed through a side of the mold frame. The PCB drives the light source, and includes an extension portion extending through the opening of the mold frame.

Abstract: A backlight assembly includes a light emitting part, a light guide plate and a lower receiving container. The light guide plate includes a side surface and a light exiting surface. The lower receiving container includes a heat sinking part and a rigid part having a strength greater than the heat sinking part.

Abstract: The invention provides a casing structure for an electronic apparatus that achieves a thin size and light weight. The casing structure is capable of accommodating a display module, and comprises a sidewall and a bottom surface in which a conductive resin region and a nonconductive resin region are butt joined in a curved line. The casing structure of the electronic apparatus does not become thick due to the butt joining even when the joint portions are in a projection area of the display module. Furthermore, on the display side of the casing structure, there is no need to have special frame members for securing strength in addition to the display casing. The display casing accommodates and protects the display module from an external pressing force and also has a design function that the outer surface of the casing resembles that of an outer surface of a conventional notebook PC.

Abstract: A backlight unit includes a light source, a light guide guiding light from the light source, an optical sheet disposed on the light guide, and an inner frame having an opening housing the optical sheet. A peripheral portion of the optical sheet includes a projection group respectively at each of the longitudinal sides that are among the constituent sides of an approximately rectangular external contour of the optical sheet. The projection group includes a first projection arranged in a projection insertion region provided in a side wall of the inner frame and a second projection arranged outside of the projection insertion region in the opening of the inner frame.

Abstract: The present invention discloses a display device comprising a bezel, a cell, at least one film, a light bar and a composite backlight module. The composite backlight module comprises a plurality of connecting structures coupled with the bezel for fixing and protecting the cell, a containing space for containing the cell and the film, and a light guide portion for guiding light emitted by the light bar to a light exit surface of the composite backlight module. The composite backlight module is made of a same material by injection molding.

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

Abstract: An LED lamp includes a frame, a bracket connected to the frame, two LED modules and driving modules received between the frame and the bracket, and a backplate, a reflective plate, a light guide, a diffusion plate and a cover sequentially sandwiched between the frame and the bracket. The LED modules are oriented towards two opposite lateral sides of the light guide. The light guide has a large amount of scattering dots formed on a back face thereof. The scattering dots are arranged in multiple columns. The sizes of the dots in each column are identical to each other, and the sizes of the dots in different columns gradually increase from two opposite sides towards a middle of the light guide.

Abstract: A direct-type backlight unit includes: an arrangement surface on which a plurality of light sources are arranged; and a plurality of reflecting surfaces that are formed at a plurality of ends of the arrangement surface and reflect light emitted from the plurality of light source. Light emitted from the light sources and light reflected from the plurality of reflecting surfaces irradiate to a radiation area surrounded by the plurality of reflecting surfaces. The plurality of reflecting surfaces are inclined at an angle that is smaller than 90 degrees with respect to an extension surface of the arrangement surface that extends toward the outside of the reflecting surface. The plurality of reflecting surfaces include reflecting surfaces having a large inclination angle and reflecting surfaces having an inclination angle that is smaller than the large inclination angle.

Abstract: An exemplary liquid crystal display device includes a backlight module, a metallic bracket and a liquid crystal panel. The backlight module includes a back bezel, a planar lighting source mounted on the back bezel and a frame. The frame includes a metallic beam and three plastic beams. The metallic beam and the plastic beams enclose the back bezel. The metallic beam is located at a top of the liquid crystal display device. The metallic bracket supports the backlight module and thermally connects with the metallic beam of the frame of the backlight module. The liquid crystal panel is located at a surface of emission of the planar lighting source.

Abstract: A lighting device 12 of the present invention includes a light output portion 15z from which light is output, a light source 17, and an optical member 15b provided on the light output portion 15z side with respect to the light source 17. The optical member 15b is held by a pair of holding members. The holding members include a first holding member 15a that holds the optical member 15b from the light source 17 side and a second holding member 16 that holds the optical member 15b from an opposite side from the light source 17 side. A buffer 70 is provided in at least one of a space between the optical member 15b and the first holding member 15a and a space between the optical member 15b and the second holding member 16. The buffer 70 has at least one rough surface on a side that abuts the optical member 15b.

Abstract: A lightbar device includes a plastic frame, a back plate, a lightbar, and at least one fixing pad. At least one positioning hole is formed on the back plate. The lightbar is slidably disposed between the back plate and the plastic frame. The fixing pad includes a base, a side board, and a first clamping portion. A recession is formed at the base. The recession is used for engaging with the positioning hole so as to fix the fixing pad onto the back plate. The side board is formed at a side of the base. The first clamping portion is formed at a position of the base opposite to the side board. The first clamping portion is used for clamping a first side of the lightbar cooperatively with the side board.

Abstract: A backlight module comprises a light source circuit board having a plurality of light emitters disposed thereon; a securing component for supporting the light source circuit board rigidly, the securing component comprising a holding portion and an adhesive layer, the adhesive layer being utilized for assembling the light source circuit board and the securing component together to form an assembly; and a casing having a receiving slot, the assembly of the light source circuit board and the securing component being detachably disposed in the receiving slot, the holding portion being utilized for a user to grip when moving the securing component, and the holding portion having a locating hole for being fastened in the casing. The backlight module is capable of reducing the risk of scratching optical films and invasion by foreign objects in a replacement process of the light source circuit board, thereby increasing the lifespan of displays.