Abstract: A backlight module including a back frame, a light guiding plate received in the back frame, and a position piece is disclosed. The position piece is arranged between the back frame and the light guiding plate, and the position piece is detachably fixed on sidewalls of the back frame to firmly press the light guiding plate within the back frame. In addition, a liquid crystal display with the backlight module is also disclosed. The light guiding plate is reliably positioned by adopting the above position piece.

Abstract: A backlight module and a liquid crystal display are disclosed, and the backlight module comprises a plastic front frame, a rubber frame, a chipset and an electromagnetic shield member where the electromagnetic shield member is disposed around the chipset, for the shield of outside electromagnetic interference (EMI) to the chipset. Once the front frame is made of plastic material, the electromagnetic shield member can be used to shield the outside EMI to the chipset, which assures the stability of the control signals of the chipset and further assures the quality of the screen display.

Abstract: A backlight module and a liquid crystal display are provided. The backlight module includes a light guide plate, a source, a first back plate and a second back plate. The first back plate includes a first main body and a first bending portion. The second back plate includes a second main body and a second bending portion. The first main body is slidably connected to the second main body. The light guide plate is fixedly connected to the first main body. A light-emitting surface of the light source is against a light incidence surface of the light guide plate, and another surface of the light guide plate is close to an inner side of the second bending portion. When the light guide plate expands with heat, the expanded light guide plate pushes the second bending portion to make the second back plate slide relative to the first back plate.

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: The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a back bezel and a plurality of light sources. The back bezel includes a plurality of bezel convex portions and a plurality of corresponding bezel concave portions. The light sources are disposed on the back bezel and positioned between the bezel convex portions. The present invention can use the bezel concave portions of the back bezel to improve a heat-dissipation effect.

Abstract: A backlight assembly includes a light guiding plate, a light source and a bottom receiving plate. The light source is disposed at a first side of the light guiding plate. The bottom receiving plate includes a bottom surface and a side wall to form a receiving space in which at least a portion of the light guiding plate is placed. The bottom surface is smaller than a lower surface of the light guiding plate and has a plurality of openings formed through the bottom surface. The side wall extends from the bottom surface.

Abstract: The present invention provides a flat panel display device, which includes a backlight system and a display panel. 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 light homogenization mechanism guides light from the light source into the display panel. The back frame includes primary assembling pieces, secondary assembling pieces, and an adjustable bracing piece. Through the arrangement of a reinforcement structure on a joint section of the primary assembling piece, the strength of the back frame is improved. Available mounting points between the bracing piece and the primary assembling pieces or the secondary assembling pieces are of a number of at least two so that the bracing piece is selectively mounted to the back frame at different positions. The present invention also provides a stereoscopic display device and a plasma display device.

Abstract: A liquid crystal module includes a display panel having an active area; a case top configured to surrounds an edge of an upper surface and edges of a display panel, and having first through holes; a cover bottom configured to support a light guide plate disposed under the display panel; a supporter main configured to support the display panel and the cover bottom; a light source circuit board on which light emitting diodes (LEDs) emitting light to at least one of both sides of the light guide plate are mounted, wherein the light source circuit board is disposed on the supporter main; and fasteners configured to pass through the first through hole of the case top and to couple the case top with the supporter main, wherein at least two of the LEDs are disposed between the fasteners.

Abstract: The present invention discloses a backlight module and display device. The backlight module includes a front bezel and a frame. The frame includes a first connecting member and a second connecting member located on two opposite sides of a frame body of the frame. Each of the first connecting member and the second connecting member has a trench on the inner side. The front bezel includes a first side frame and a second side frame located oppositely. The first side frame and the second side frame are correspondingly plugged into the trenches of the first connecting member and the second connecting member. The front bezel is fixed to the frame through a third side frame.

Abstract: The present invention provides a combined backplane and a backlight module using the combined backplane. The combined backplane includes a body and a first bracket coupled to the body. The body includes a base plate. The first bracket includes a first bottom plate and a first side plate perpendicularly connected to the first bottom plate. The first bottom plate has an end distant from the first side plate and coupled to an end of the base plate. The base plate and the first bracket are made of different materials. The combined backplane of the present invention is formed by combining a body with a bracket. The body is made of a high-strength material to improve overall strength of the backplane and the bracket is made of a material of high thermal conductivity to improve overall thermal conductivity of the whole backplane.

Abstract: A display apparatus includes a display panel, a backlight unit, a mold frame, a bottom bracket, a top mold, and first and second coupling members. The display panel includes a display surface on which an image is displayed. The backlight unit generates and provides a light to the display panel. The mold frame supports the display panel and the backlight unit. The bottom bracket accommodates the display panel, the backlight unit and the mold frame. The top mold faces the bottom bracket and overlaps a portion of the display panel, and the display panel is between the top mold and the bottom bracket. The first coupling member couples the mold frame with the top mold, and the second coupling member couples the top mold with the bottom bracket.

Abstract: A light source module includes a first frame, a second frame, a light guide plate, a light source, at least one positioning element and at least one buffer element. The second frame is disposed corresponding to the first frame and has at least one through hole. The light guide plate is disposed between the first frame and the second frame and has a light incident surface and a side surface, and the side surface faces to the through hole of the second frame. The light source is disposed on the light incident surface of the light guide plate. The positioning element is disposed in the through hole of the second frame. The buffer element is located between the positioning element and the side surface of the light guide plate.

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 backplane forms a pawl section. The mold frame forms a retention slot corresponding to the pawl section. The pawl section is receivable in and retained by the retention slot so as to fix the mold frame to the backplane. The backlight module uses a pawl section formed on the backplane and a retention slot formed on the mold frame to engage the pawl section so as to mount the mold frame to the backplane through snap-fitting connection thereby showing a simple structure, being easy to assemble and disassemble, effectively saving time, and thus controlling the cost.

Abstract: The present invention provides a back frame of a flat panel display device, which includes at least two assembling pieces. The at least two assembling pieces are joined to form the back frame. The back frame further includes a bracing piece. An end of the bracing piece is fixed to the assembling piece and an opposite end of the bracing piece suspends. The present invention also provides a backlight system of flat panel display device. With this arrangement, the back frame and the backlight system of the flat panel display device of the present invention have a mold for the back frame is of a simple structure, the cost of back frame mold is reduced, the material used for back frame is saved, and the manufacturing cost of flat panel display device is lowered down.

Abstract: A surface light source includes a light source facing an end face of a lightguide plate, a rectangular-shaped frame surrounding an outer peripheral surface of the lightguide plate, and a reflecting sheet is disposed on a lower surface of the frame. The frame is formed such that an inside frame portion is made of a white resin and an outside frame portion is made of a black resin. The inside frame portion and the outside frame portion are integrally molded by a two-color molding method.

Abstract: A front bezel assembly is adapted to cover a display panel and a backlight module of a non-self-luminous display device. The backlight module includes an optical module. The front bezel assembly includes a front bezel. The front bezel assembly includes a front wall disposed in front of the display panel and formed with a bezel opening to expose the same, and a sidewall extending rearward from the front wall into the optical module. A backlight source is mounted to the sidewall such that light emitted from the backlight source irradiates toward the display panel through the optical module.

Abstract: A backlight unit includes a light source; a light guide; a gap retainer including two plate-like portions orthogonal to each other, the light guide being placed over a first plate-like portion of the two plate-like portions, the light source being attached to a side of a second plate-like portion of the two plate-like portions; a chassis including a frame-shaped side wall portion and a bottom portion, the gap retainer being positioned with respect to the chassis such that the second plate-like portion and the side wall portion face each other and the first plate-like portion and the bottom portion face each other; and an elastic body urging the gap retainer in a direction away from the side wall portion. The gap retainer includes a stopper to maintain a gap between the light source and the side edge surface of the light guide.

Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device to emit light, an optical member to guide the light emitted from the light emitting device, a bottom chassis disposed on a rear surface of the optical member so as to support the optical member, a supporting member coming into partial contact with the bottom chassis so as to support a module including the light emitting device and a shock-absorbing member disposed between the rear surface of the optical member and the bottom chassis.

Abstract: A spread illuminating apparatus includes: a light guide plate with an emitting surface, a plurality of optical sheets laminated on the emitting surface, a light-blocking member that defines an effective area of the emitting surface, a light source, and a frame for accommodating the above constituents. The plurality of optical sheets are formed such that a position of an edge of each optical sheet on the incident light surface side of the light guide plate is spaced farther apart from the incident light surface of the light guide plate as moving toward a top layer of the optical sheets counted from the emitting surface, and the light-blocking member is fixed to each optical sheet and extends from the incident light surface side of the light guide plate so as to cover a vicinity of the edges of the plurality of optical sheets.

Abstract: The present invention provides a panel display device, back frame and manufacturing method for back frame. The back frame includes at least two main splicing elements forming back frame, the at least two main splicing elements including main splicing element for disposing light source, wherein light source is disposed on a surface of side wall of main splicing element bended upward for light source disposition, downward hooks are disposed on the other surface of side wall away from light source, main splicing element with light source has a first heat-dissipation capability, and remaining main splicing elements of the at least two main splicing elements without light source have a second heat-dissipation capability, first heat-dissipation capability is better than second heat-dissipation capability. As such, the present invention can reduce material and mold costs as well as better heat-dissipation and easy assembling of front frame and panel.

Abstract: A frame for a backlight module includes a first strip, a second strip, a third strip, and a fourth strip connected end to end in sequence to cooperatively enclose an interior of the frame. The first strip, the second strip, the third strip, and the fourth strip each include an inner surface facing the interior of the frame. A number of microdots are formed on the inner surface.

Abstract: A method for manufacturing a back frame of a flat panel display device comprises joining at least first and second primary assembling pieces to form a back frame, 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 first primary assembling piece using one of the joint sections to join the corresponding end of the second primary assembling piece, the back frame further including a plurality of bracing pieces that is fixed to the primary assembling pieces; making a combination of bracing patterns of a bracing mold according to a mounting structure to be formed in the bracing pieces in order to form a corresponding mounting structure on the bracing pieces.

Abstract: A fixing structure for fixing a display panel is disclosed. The fixing structure includes a bezel and a cover. The bezel includes a frame, a first bending portion bent from a side of the frame, and a first hooking portion connected to an end of the first bending portion. The cover and the bezel cover the display panel together. The cover includes a board, a first curved portion bent from a side of the board, and a first hook component connected to an end of the first curved portion and installed inside the frame and the first bending portion. The first hook component engages with the first hooking portion and fixes a side of the display panel on the side of the first curved portion as the bezel combines with the cover.

Abstract: The light emitting device package may include a light emitting device including at least one light emitting diode and a body including at least one lead frame on which a light emitting device is disposed, the body provided a first protrusion formed on a outside of the body, wherein the width of a lower surface of the first protrusion is 0.5 times to 0.9 times the width of a upper surface of the first protrusion.

Abstract: The present invention provides a protection cover and a backlight module. The protection cover comprises a cover main body. The cover main body includes a heat dissipation surface. Each side edge of the cover main body forms a sidewall protruding with respect to the heat dissipation surface. The heat dissipation surface disposes at least one heat dissipation hole thereon, and the sidewall disposes at least one vent hole thereon. The present invention may timely and fast dissipate the heat in the protection cover, and improve the heat dissipation efficiency.

Abstract: Disclosed is a display apparatus which does not use some elements of cases and set cover members necessary for producing the display apparatus and thus can minimize a thickness and enhance a sense of beauty with an innovative design. The display apparatus includes a display panel, a panel supporting member, an adhesive member, a guide frame, and a cover member. The panel supporting member supports a rear edge of the display panel. The adhesive member is disposed at one side of the panel supporting member, and couples the display panel and the panel supporting member. The guide frame supports the panel supporting member. The cover member is disposed to overlap with the other side of the panel supporting member and surround a side surface of the guide frame, thereby enabling movement of the panel supporting member.

Abstract: The invention is intended to provide a lighting device that shortens time required to obtain peak brightness. A backlight unit 16 according to the invention includes: cold cathode tubes 22 as a light source; a chassis 18 housing the cold cathode tubes 22; a reflection sheet 21 disposed within the chassis 18 and reflecting light; and a heat insulator 27 disposed between the chassis 18 and the reflection sheet 21. Because the heat insulator 27 is disposes between the chassis 18 and the reflection sheet 21, heat in the chassis 18 is less likely to escape to the outside. Therefore, the temperature inside the chassis 18 can be efficiently increased with the heat generated by the cold cathode tubes 22.

Abstract: An HVAC Controller including a printed circuit board (PCB) and a display sub-assembly. The display sub-assembly may include a frame, a display, and a light guide. The frame may be secured relative to the PCB and may have a front side facing away from the PCB and a back side facing toward the PCB. The frame may include one or more side walls that may extend between the front side and the back side, where the side walls may define a space. The display and the light guide may be positioned at least partially within the space and the light guide may be positioned between the display and the PCB. The frame may have one or more back stop features and one or more front stop features that stop the light guide and the display from sliding out of the back side and front side of the frame, respectively.

Abstract: The present invention is related to a technology of liquid crystal display, and specially to a fixture incorporated in a backlight module for the liquid crystal display. The fixture for backlight module comprises a backboard having a bottom board, a sidewall, and a bent portion. The sidewall has a first end and a second end, and the bottom board being interconnected with the first end. The bent portion is interconnected to the second end, and arranged on an outside of the sidewall, and creates an angle with respect to the sidewall. A plastic frame is defined with opening aligned and enveloped onto the bent portion so as to securely assemble the plastic frame to the backboard. The advanced and preferred interengagement between the backboard and the plastic frame can not only readily implement into the backlight module in which the light strip and backboard are made individually, but also can be fitted into the backlight module in which the backboar is integrally formed with driving circuit for light strip.

Abstract: The present invention provides a flat panel display device, a stereoscopic display device, and a plasma display device. The flat panel display device includes a backlight system and a display panel. 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. The back frame includes at least two assembling pieces. The at least two assembling pieces are joined to form the back frame. The back frame further includes a bracing piece. An end of the bracing piece is fixed to the assembling piece and an opposite end of the bracing piece suspends. The present invention also provides a backlight system of flat panel display device.

Abstract: An LCD device includes a panel module and a back light module. The back light module includes a light guide plate having a light incident surface; a bezel for receiving the light guide plate, including a bottom plate and side walls surrounding the bottom plate; a reflective sheet disposed between the light guide plate and the bottom plate of the bezel; at least one lighting unit disposed in a position corresponding to the light incident surface; and a fixing unit including at least two fixing members, each fixing member has a base position and a bent portion vertically extending from at least one end of the base position. The top surface and the inner surface of the base position are closely attached to the light guide plate and the outer surface of the bent portion opposite to the inner surface thereof is closely attached to the side wall.

Abstract: A lighting device maintains an optical design and absorbs expansion of a light guide plate with a simple structure if the light guide plate expands toward a light source side. A backlight unit 24 includes an LED board 30; an LED light sources 28 arranged on the LED board 30; a light guide plate 20 having a flat plate shape and including light entrance surfaces 20a1 and 20a2 on side surfaces that are provided on opposite sides, the light entrance surfaces 20a1 and 20a2 being arranged to face the LED light sources 28 of the LED board 30; and spacer members 25a (25b) regulating a distance W1 between the LED board 30 and the light guide plate 20. Each spacer member 25a (25b) has a Young's modulus smaller than that of the light guide plate 20. Each spacer member 25a (25b) regulates the distance W1 between the LED light sources 28 and the light guide plate 20 and absorbs the expansion of the light guide plate 20.

Abstract: A surface light source includes a light source facing an end face of a lightguide plate, a rectangular-shaped frame surrounding an outer peripheral surface of the lightguide plate, and a reflecting sheet is disposed on a lower surface of the frame. The frame is formed such that an inside frame portion is made of a white resin and an outside frame portion is made of a black resin. The inside frame portion and the outside frame portion are integrally molded by a two-color molding method.

Abstract: This invention provides a display device and a backlight module thereof, wherein the backlight module includes a backplate, a frame body, and a first optical film. The frame body is disposed on the backplate and extending along the inner surface of the sidewall. A concave portion is formed on the frame body and exposes the inner surface of the sidewall. The first optical film has a protrusion portion extending to the concave portion, wherein the frame body extends along the edge of the first optical film. The protrusion portion includes a main body and a shelter portion, wherein the shelter portion bends in opposition to the main body and at least partially shelter a portion of the sidewall exposed by the concave portion.

Abstract: An optical assembly includes a plurality of light sources emitting light in a first direction at a predetermined orientation angle, and a light guide panel having a light incident section and a light emitting section. The light incident section has a first surface to receive the light emitted from the light sources in the first direction and the light emitting section is to emit light received from the light incident section in a second direction. Also included is at least one cover having a first surface adjacent the light sources and a second surface adjacent at least one portion of the light emitting section.

Abstract: The present invention provides a back frame of flat panel display device, which 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 first primary assembling piece uses one of the joint sections to join the corresponding end of the second primary assembling piece. The present invention also provides a mold for making a back frame of flat panel display device, a method for manufacturing a back frame of flat panel display device, and a backlight system. The back frame mold of the back frame, the mold for back frame, the method for manufacturing back frame, and the backlight system is of a simple structure and can reduce the expenditure of the back frame mold, and can also save the material used for back frame so as to lower down the cost of flat panel display device.

Abstract: A display device and a lighting device are provided. The display device includes a display element for outputting an image according to a provided image signal, a frame disposed on a rear surface of the display element, and a reflection layer formed on the frame and positioned between the display device and the frame, the reflection layer being a coating layer formed using a paint including at least one of silver and aluminum. When the backlighting device of the display device is configured, a reflection plate where deposition films and a reflection layer made of a metal component are deposited is not required and the reflection layer is formed on the frame by using a paint having at least one of silver and aluminum as its main components, thereby simplifying a manufacturing process, and contributing to reducing the thickness of the display device.

Abstract: Light that leaks from an outer peripheral surface of a lightguide plate can be reflected and returned to the lightguide plate by a frame, and light that is transmitted through the frame to leak out can be reduced. A reflecting sheet is disposed in a lower surface of the frame, and the lightguide plate and the light source are accommodated in the frame. The frame is formed such that an outer peripheral surface of a rectangular-frame-shaped inside frame portion made of a white resin is covered with a rectangular-frame-shaped outside frame portion made of a black resin. The inside frame portion and the outside frame portion are integrally molded by a two-color molding method.

Abstract: The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a back bezel, a light guide plate and a plurality of light sources. The back bezel includes a plurality of bezel convex portions and a plurality of corresponding bezel concave portions. The light guide plate includes a plurality of recesses, and the bezel convex portions of the back bezel are fitted into the recesses of the light guide plate. The light sources are disposed at one side of the light guide plate. The present invention can use the bezel concave portions of the back bezel to improve a heat-dissipation effect.

Abstract: A display panel (10) of a display device (1) is sandwiched between a chassis (31) and a bezel (20). The bezel (20) and a contact part of the chassis (31), which contact part is in contact with the display panel (10), are made of materials having identical thermal expansion coefficients. A bottom wall (32) of the chassis (31) is made of a material having a thermal expansion coefficient higher than those of the bezel (20) and the contact part.

Abstract: A surface emitting apparatus includes a light guide plate, a plurality of point light sources, a diffusing member, and a spacer member. The light guide plate has an end surface and a light emitting surface and is configured to allow light incident on the end surface to be emitted from the light emitting surface. The plurality of point light sources is provided to oppose the end surface of the light guide plate. The diffusing member is provided on a light emitting surface side of the light guide plate. The spacer member defines a space between the light emitting surface and the diffusing member such that a distance between the light emitting surface and the diffusing member is larger than a thickness of the light guide plate.

Abstract: A display device may include a chassis, a flexible printed circuit board on the chassis, a semiconductor device on the flexible printed circuit board, and a supporting element on the flexible printed circuit board. The semiconductor device may be spaced apart from the supporting element. The supporting element may be configured to maintain contact between the chassis and the flexible printed circuit board.

Abstract: The present invention discloses a backlight module, which includes a light source and an aluminum extrusion. The aluminum extrusion forms at least one thermal chamber. The thermal chamber is a penetrating hollow structure having an opening. The present invention also discloses a liquid crystal display device having the backlight module. Practicing the backlight module of the present invention and the liquid crystal display device using the backlight module allows a channel for air flow to be formed in the interior of the thermal chamber to enhance heat dissipation performance, eliminate the operations of forming a light bar through packaging the light source and an MCPCB and bonding the light bar to the aluminum extrusion, decrease thermal resistance interface, and saves assembling material.

Abstract: The present invention relates to a light guide plate and a corresponding backlight module. The light guide plate has a plate body, a light-exiting prism structure and a reflecting prism structure. The reflecting prism structure is mounted on a reflecting area on a light-exiting surface of the plate body. The light guide plate and the corresponding backlight module can reduce light leakage at the junction between the light guide and a fixing plastic frame by the reflecting prism structure mounted at sides of the light guide plate.

Abstract: A display device includes a display panel including a front substrate and a back substrate, a backlight unit disposed in the rear of the display panel, and a plurality of brackets attached to a non-display area of a back surface of the display panel. Each of the plurality of brackets includes a first portion and a second portion positioned between the first portion and the back substrate. A width of the second portion is greater than a width of the first portion. The second portion is positioned adjacent to the back substrate.

Abstract: Provided are a light emitting module and a backlight unit. The light emitting module comprises a module board comprising a plurality of first and second pads and a plurality of protrusion holes, a heatsink plate corresponding to a second surface opposite to a first surface of the module board, the heatsink plate comprising a plurality of protrusions respectively inserted into the protrusion holes of the module board, and a plurality of light emitting devices, each comprising a heatsink frame connected to the protrusions of the heatsink plate which comprises a first frame part on which the plurality of protrusions are disposed and a second frame part folded from the first frame part and disposed under the module board.

Abstract: A backlight device includes: a flat chassis member; a light guide plate stacked on the chassis member; and a light source member attached to the chassis member so as to face a light incident face that is located at a side face of the light guide plate. The light guide plate has, at at least one side face adjacent to the light incident face, a convex part protruding outwardly of the side face, the chassis member has a protruding part to sandwich the convex part, and at least a part of the protruding part is covered with an elastic member that presses the convex part toward the light source member.

Abstract: Provided are a liquid crystal display (LCD) that has a reduced cost due to an increase in the thickness of the FPC board included of the display. The liquid crystal display includes a liquid crystal panel, a first housing having a first side and a second side and a plurality of sides, the liquid crystal panel being accommodated on the first side, a flexible printed circuit board having a first side in contact with the liquid crystal panel, and a second side disposed adjacent to the second side of the first housing, a second housing having a bottom, an opening, and a plurality of sides extending from the bottom to define a cavity, wherein the plurality of sides are fastened to the first housing, further wherein the opening is formed through the bottom to expose at least a portion of the flexible printed circuit board, and a reflective sheet disposed on a interior surface of the bottom.

Abstract: An LED unit U of the present invention includes an LED 17 that is alight source, a diffuser lens 19, a board reflection sheet 23 and a restriction member 27. The diffuser lens 19 is provided to face a light emitting surface 17a of the LED 17. The board reflection sheet 23 is provided to face a surface of the diffuser lens 19 that is closer to the LED 17 and is configured to reflect light. The restriction member 27 projects from the diffuser lens 19 toward the board reflection sheet 23 and restricts positional relationship between the diffuser lens 19 and the board reflection sheet 23.

Abstract: An illumination device of a display device is configured such that heat of light-emitting elements is dissipated via a light source substrate, a light source support member made of a metal, and a first frame made of a metal. The illumination device also includes a second frame made of a resin that is disposed such that a closed space is formed along the light source support member between the frame and the light source support member. The second frame has an opening portion that communicates with the closed space, and the first frame and a third frame each has an opening portion at a position that overlaps the opening portion of the second frame, thereby allowing heat of the light-emitting elements to be dissipated through the closed space and an opening which is formed by opening portions.