Abstract: Provided is a display device. The display device includes a display panel, a light guide plate disposed behind the display panel, a light source module configured to emit light toward the light guide plate, a mounting housing on which the light source module is mounted, the mounting housing being made of a metal material, a back cover configured to cover the mounting housing from a rear side, a lower cover bent forward from a lower end of the back cover to cover the mounting housing from a lower side, a guide frame configured to surround a circumference of the display panel and cover the lower cover, a decor panel including a lower panel configured to cover the guide frame from a lower side and a front panel extending upward from a front end of the lower panel, a screw coupled to the lower cover by sequentially passing through the lower panel and the guide frame, and a heat insulating member disposed between a head of the screw and the lower panel.

Abstract: Embodiments of the present disclosure provide a backlight module and a display device. The backlight module includes a backboard, the backboard includes a base plate and a plurality of side plates perpendicular to the base plate. The plurality of side plates are connected end to end around the base plate, and define an accommodating space having an opening with the base plate. The backlight module further includes a light guide plate (LGP) located in the accommodating space and a light source located at a light incident side of the LGP. The light source includes a substrate and a light emitting element disposed on the substrate, the substrate is parallel to and mounted on one side plate. One light emergent side of the light-emitting element (302) is opposite to the light incident side of the LGP.

Abstract: A foldable display device includes a first panel having a first flat portion and a first bending portion at one side of the first flat portion. The first bending portion has a first bending axis around which the first bending portion rotates. The foldable display device also includes a second panel having a second flat portion and a second bending portion at one side of the second flat portion. The second bending portion has a second bending axis around which the second bending portion rotates. The first bending portion and the second bending portion are arranged adjacent to each other.

Abstract: An electronic device may have a display with a backlight. The backlight provides backlight illumination for an array of pixels that is displaying images. The backlight may include an array of cells. Each cell may contain a light source with one or more light-emitting diodes and a cavity reflector that reflects light from the light source outwardly through a diffuser for use in forming the backlight illumination. The light sources may be mounted to a printed circuit. Support posts on the printed circuit may be used to maintain the diffuser at a fixed distance from the printed circuit. Sensors on the printed circuit may be used to measure separation distances between the printed circuit and diffuser. Adjustments to pixel gain profiles can be made based on the measured separation distances.

Abstract: Embodiments of the invention relate to marine retrofitted illuminated dash panel cover having a light controller and one or more light sources that is installed and retrofitted onto an existing boat dash panel, where the light source and light cover panel are aftermarket retrofitted components to the existing boat dash panel.

Abstract: A backlight module, a liquid crystal display and a spliced display device are provided. The backlight module is configured to provide a back light source to the display panel. The backlight module includes a backlight panel. The backlight panel includes a frame and an opening; the opening corresponds to the display area of the display panel. The frame corresponds to the non-display area of the display panel. A first extension portion extends from the first sub-frame in a direction away from opening. In the above manner, the present application is capable of physically reducing the width of the seam between the two adjacent splicing screens by half.

Abstract: A foldable device includes: a flexible display including: a first part; a second part; and a third part provided between the first and second parts; a first body supporting the first part; and a second body supporting the second part, each of the first and second body are configured to move between a first and a second position, in response to each of the first and second bodies being provided in the first position, the first body and the second body form a receiving space, the third part forms a curved portion of the flexible display and the curved portion is provided within the receiving space, and wherein the first part is configured to move in a longitudinal direction of the flexible display with respect to the first body in response to the first and second bodies moving between the first and second positions.

Abstract: A flexible display device and a display apparatus are provided, which include: a first sub-housing and a second sub-housing, the first sub-housing is relatively away from the second sub-housing to adjust the housing to be in an open state, and an opening is formed between the first sub-housing and the second sub-housing. A flexible display panel disposed on a first surface of the housing, and the flexible display panel is spread on a surface of the housing when the housing is in the open state. A support structure includes a support plate, the support plate is received in the housing when the first sub-housing is relatively close to the second sub-housing, and when the housing is in the open state, the support plate abuts against the flexible display panel.

Abstract: A liquid crystal display device (1) is equipped with a radiator fin (3) and cooling fans (4) on a back surface of the backlight unit (2). The radiator fin (3) includes a plurality of fins (311) arranged vertically along the backlight unit (2). The cooling fans (4), provided in a lower part of the backlight unit (2), are configured to draw air into the liquid crystal display device (1) from a side opposite to the backlight unit (2) and to create an airflow toward the radiator fin (3).

Abstract: A display device includes at least one display module and a backlight module. The display module includes display units and N driving chips. The N driving chips are arranged along a first direction and electrically connected to the display units. The display units are connected and arranged in N rows in the first direction and M columns in a second direction. N and M are respectively greater than or equal to 1. The backlight module includes a light bar assembly adapted to be disposed below a column of the M columns of the display units farthest from the driving chips, and a length of the light bar assembly corresponds to that of the display units along the first direction. The light bar assembly includes at least one first light bar unit. A length of each first light bar unit is X times the length of each display unit along the first direction, and X is greater than or equal to 1.

Abstract: A backlight device includes a plurality of light sources arranged in a shape of a matrix, a reflective sheet having partition walls arranged to surround each of the plurality of light sources in four directions and reflecting light emitted from the plurality of light sources, a luminance uniformity plate located above the reflective sheet and uniforming luminance of the light emitted from the plurality of light sources and light reflected by the reflective sheet, and a diffuser panel located above the luminance uniformity plate and diffusing light exiting from the luminance uniformity plate. A gap between the partition wall and the luminance uniformity plate is 5% to 30% of an optical distance defined by a distance between the reflective sheet and, the diffuser panel, and a gap between the luminance uniformity plate and the diffuser panel is not greater than 50% of the optical distance.

Abstract: A display device comprises a first chassis and a first backlight housing attached to the first chassis and comprising a first wall. A first optical film layer between a first light guide plate and a first rear polarizer comprises a secured end bonded to the first wall. A second chassis is rotatably coupled to the first chassis and includes a second backlight housing attached to the second chassis and comprising a second wall. A second optical film layer between a second light guide plate and a second rear polarizer includes a secured end bonded to the second wall.

Abstract: A display device is disclosed. The display device may include a display panel and cover. A first cover may be configured to be connected to the display panel and a second cover may be connected to the first cover to cover the display panel. The first cover and the second cover may cover a back side of the display panel. A plurality of first holders may be disposed on the first cover and a plurality of second holders may be disposed on the second cover corresponding to the plurality of first holders to couple the second cover to the first cover. The first cover may include a first frame and a second frame connected to each other. Distal ends of the first and second frames may have prescribed shapes configured to couple to each other to form a low profile cover for the display device.

Abstract: According to an aspect, a light emitting device includes a base that includes at least a frame body; a light source that emits light; and a temperature sensor with which the base is provided and that detects changes in temperature of the light source. A space is provided between the temperature sensor and a portion of the base corresponding to a portion in which the temperature sensor is provided.

Abstract: A back plate assembly and a backlight module are provided. The back plate assembly includes a back plate, at least one optical film and at least one fixing member. The back plate includes a bottom plate and a sidewall. The optical film is disposed on the bottom plate. The fixing member includes a main body and a protruding member. At least one portion of the main body overlaps with the sidewall. The protruding member is disposed on the main body and is combined with the optical film.

Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a back plate comprising a base plate and at least one side wall defining an accommodation space, a frame, at least a portion of which is accommodated in the space. The frame comprises at least one side surface arranged opposite to the side wall. Clamping hooks are arranged on the side surface, and matching parts are arranged on the side wall and correspond with the clamping hooks. The clamping hook comprises a first portion connected to the side surface and a second portion formed by bending and extending the first portion. The matching part comprises a hook hole portion and a retainer portion arranged around the hook hole portion. The first portion may be inserted into the hook hole portion, and the second portion is clamped by and fixed with the retainer portion.

Abstract: The present invention discloses a backlight module including: a back frame comprising a bottom plate having a first insertion hole; a light guide plate carried on the bottom plate; an optical film disposed on the light guide plate and having a second insertion hole; a fixing part comprising an engagement portion and a first insertion portion and a second insertion portion which are respectively disposed at two sides of the engagement portion; wherein, the engagement portion is engaged in a side surface of the light guide plate, the first insertion portion is inserted in the first insertion hole, and the second insertion portion is inserted in the second insertion hole. A liquid crystal display having the backlight module is also disclosed. Through the fixing part to fix and combine the back fame, the light guide plate and the optical film together, the problem of insufficient installation space is solved.

Abstract: A curved waveguide is described herein. The curved waveguide can include a length having at least one portion. The curved waveguide can also include a width, a height, and at least one side. A first portion of the at least one portion of the length can have a first curvature. The at least one side is configured to receive light emitted by at least one light module disposed adjacent to the at least one side.

Abstract: There are provided a light-source device which is capable of restraining deformation of side walls of a housing due to heat generated by the light emission of the light source, and a display apparatus. A light-source device is provided with a light guide plate which is placed on a bottom plate of a housing having an opening formed at one surface thereof, and a light source which is fixed to the housing and is arranged to face one end face of the light guide plate, and the bottom plate of the housing has a separation part that separates the bottom plate into a first portion in which the light source is disposed and a second portion in which the light source is not disposed.

Abstract: The present invention proposes an LCD and a backlight module thereof. A combinational backlight unit is arranged on a lower portion inside a bezel. The combinational backlight unit includes sub-backlight units spliced at intervals. An optical component is arranged on an upper portion inside the bezel and placed on top of the combinational backlight unit at intervals. Dot pattern reflectors are arranged on top of the gap between the adjacent sub-backlight units for reducing reflectivity of light at the gap. The backlight module used in the LCD lessens the difficulty in bending the LGP in the display with a large curve screen, so that a QD tube is suitable for a display with an extremely large size and improving the brightness and contrast of high backlight.

Abstract: An edge-lit light guide panel includes a gripper and one or more light emitting diodes (LEDs) positioned within the gripper. The edge-lit light guide panel further includes a light guide having a narrow edge positioned within the gripper. The narrow edge is positioned proximal to the one or more LEDs. The light guide is to receive light from the one or more LEDs through the narrow edge and to emit a portion of the light through at least one broad side of the light guide.

Abstract: Disclosed is a display device with a minimum bezel, the display device comprising a display panel for displaying an image; a guide frame connected to the display panel to support the display panel; and a rear cover for supporting the guide frame, wherein the guide frame covers an edge portion of the rear cover and exposes the front surface of the display panel to the outside of the display device.

Abstract: A backlight source and a display device are provided. The backlight source includes a backplate (1), a light source (2) and a diffuser plate (3). The light source (2) is provided on a face of the backplate (1), the diffuser plate (3) is parallel to the face of the backplate (1), and the diffuser plate (3) is provided at a side of the backplate (1), where the light source (2) is provided, and is opposite to light source (2); and a support pole (31) is further provided between the diffuser plate (3) and the backplate (1), and the support pole (31) and the diffuser plate (1) are made of a same material and formed integrally.

Abstract: Embodiments of a light emitting device and a method for fabricating the same are provided. The light emitting device comprises a cavity and one or more light emitting elements. The cavity is formed to a depth of 450 ?m or less, and the light emitting elements are installed in the cavity. A fabricating method includes forming a package body having a cavity with a depth of 250 ?m to 450 ?m and at least one lead frame disposed at the bottom surface of the cavity, mounting at least one light emitting element on the lead frame, and molding a molding member in the cavity.

Abstract: A display including a back cover, a diffuser plate, a display panel, and a light source is provided. The back cover has a first supporting portion, a connecting portion and a second supporting portion. Two opposite ends of the connecting portion are connected to the first supporting portion and the second supporting portion respectively. The first supporting portion has a first surface, the second supporting portion has opposite second and third surfaces, and the first surface faces the second surface to form a containing space between the first surface, the connecting portion and the second surface. At least a part of a periphery of the diffuser plate is disposed in the containing space. The display panel is supported on the third surface. The light source is disposed on the back cover and adapted to provide a light beam to illuminate the display panel after passing through the diffuser plate.

Abstract: A curved backlight assembly includes a light source, a curved light guide plate (LGP), a heat-dissipating plate, a supporting plate and a connecting member. The light source is abutted with the curved LGP. The heat-dissipating plate and supporting plate are connected by the connecting member to thereby form a curved backplane. The curved LGP is arranged on the curved backplane. Connected ends of the heat-dissipating plate and supporting plate are formed with elongated slots. The connecting member penetrates through elongated slots to connect the heat-dissipating plate and the supporting plate. A dimension of the curved backplane is increased or decreased with a relative displacement between the heat-dissipating plate and supporting plate to match with expansion or contraction of the curved LGP. The present invention has a simple structure. An optical coupling distance between the light source and curved LGP is shortened and the light incidence efficiency is improved.

Abstract: An electronic device may have a display. Inactive portions of the display such as peripheral portions of the display may be masked using an opaque masking layer. An opening may be provided in the opaque masking layer to allow light to pass. For example, a logo may be viewed through an opening in the opaque masking layer and a camera may receive light through an opening in the opaque masking layer. The display may include upper and lower polarizers, a color filter layer, and a thin-film transistor layer. The opaque masking layer may be formed on the upper polarizer, may be interposed between the upper polarizer and the color filter layer, or may be interposed between the color filter layer and the thin-film transistor layer. The upper polarizer may have unpolarized windows for cameras, logos, or other internal structures.

Abstract: A device and method are provided for controlling the temperature, in particular for cooling, of an LED lamp or LED modules of an LED lamp, e.g., for curing a light-cured pipe. The device includes: a fluid supply line and multiple heat exchangers connected to the supply line; multiple LEDs coupled to each heat exchanger with respect to heat transfer; and a fluid return line. The fluid supply and return lines are connected to each other in a fluid-tight manner by various combinations of L-pieces and T-pieces in or at the ends of the fluid supply and the return lines, so that the fluid flows from the LEDs in a spatially separated way and the fluid supply and return lines have at least two parallel fluid connections to each other, the heat exchangers being arranged in the fluid connections or constituting the fluid connections.

Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a light guide plate; an optical sheet arranged on one side of the light guide plate and provided with a first positioning part at an edge position of the optical sheet; and a mold frame arranged on the periphery of the light guide plate, wherein the mold frame includes at least a coverage part, which is located at one side of the optical sheet far away from the light guide plate and covers the edge position of the optical sheet, and a second positioning part used for coordinating with the first positioning part to realize positioning of the optical sheet is arranged on a surface of the coverage part facing the optical sheet.

Abstract: An electronic device may have a display. Inactive portions of the display such as peripheral portions of the display may be masked using an opaque masking layer. An opening may be provided in the opaque masking layer to allow light to pass. For example, a logo may be viewed through an opening in the opaque masking layer and a camera may receive light through an opening in the opaque masking layer. The display may include upper and lower polarizers, a color filter layer, and a thin-film transistor layer. The opaque masking layer may be formed on the upper polarizer, may be interposed between the upper polarizer and the color filter layer, or may be interposed between the color filter layer and the thin-film transistor layer. The upper polarizer may have unpolarized windows for cameras, logos, or other internal structures.

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: 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: 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: 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: 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: Disclosed are a fixing device and a backlight module using the fixing device. The fixing device includes a positioning post, an embedded part, and at least one elastic part. The embedded part is vertically inserted in the positioning post. The at least one elastic part is disposed at one end of the positioning post. The fixing device of the present invention is capable of enhancing the structure and functions to position accurately. Furthermore, the elastic part is capable of decreasing shocks at the fixed position of the fixing device and improving the problem of stress concentration.

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: Assemblies and techniques are provided for light guides integrated into display devices having front light sources. In one aspect, a light guide can include one or more reflective coatings that are applied or otherwise integrated onto one or more internal surfaces of the light guide. Application of at least one reflective coating can modify the luminance and/or chromaticity of the light guide. The one or more coatings can comprise one or more applied layers of paint, such as a layer of a glossy colored paint and/or a layer of a chrome paints.

Abstract: The present invention provides a display device comprising: back plate, lightguiding plate, optical film, and positioning unit. Lightguiding plate is disposed on back plate. Optical film is disposed on lightguiding plate. Optical film comprises at least one positioning section. Positioning section comprises first extending section extending out from the margin of optical film, and second extending section being connected with extending section. Positioning unit is disposed close to optical film and fixed on back plate. Positioning unit comprises main section and hold down section connecting to main section. The present invention, adding positioning unit comprising a groove holding first extending section and hold down section holding down second extending section on back plate, makes optical film positioned and prevents disposition and falloff during the manufacturing and transportation process. In addition, without applying tapes to position optical film, as a result, optical film waving is prevented.

Abstract: Disclosed is a display apparatus which is light and slim in its external appearance. The display apparatus includes a display panel which displays an image signal; a backlight unit which provides light to the display panel; a front member which includes a body whose central portion is open such that an image displayed on the display panel can be frontwardly exposed, and a support unit which supports the display panel and the backlight unit in the inner side of the body; and a rear member which is coupled to the front member and supports the back side of the backlight unit.

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

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

Abstract: The present invention provides a backlight system, which includes an LED light source, which includes an LED lamp and an LED substrate carrying the LED lamp; a back frame, which is disposed below the LED substrate and includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and a PCB, which is disposed below the back frame and fixed to the LED substrate. The backlight system of the present invention saves the material and space of the back frame, and lowers down the cost of the backlight system.

Abstract: 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 provides a backlight module, containing an edge-lit backlight source; a light guide plate having a light incident surface and a light emitting surface where the light incident surface faces directly towards the backlight source; an optical film set positioned on a top side of the light guide plate facing directly towards the light emitting surface of the light guide plate; a reflection plate on a bottom side of the light guide plate; and a thermal conductive layer on a bottom side of the reflection plate conducting heat produced from the backlight source at least to the center of the reflection plate. The backlight module raises the temperature in the center of the panel, thereby preventing the cross talk resulted from having lower temperature in the center of the panel. There is no significant change to the existing backlight modules and therefore the cost is low.

Abstract: The invention provides an electrical connector and a backlight module using that electrical connector. The electrical connector includes a body and two conducting lines. The body is provided with first and second connecting portions, the former of which has a first connecting surface and the latter has a second connecting surface. An invariable relative angle is defined between the first and second connecting surfaces. The conducting lines are coated on the first and second connecting surfaces without crossing each other. The backlight module includes a light guide plate, two LED light bars mounted to two respective light receiving edges of the light guide plate, and an aforesaid electrical connector connecting the LED light bars. The electrical connector is electrically connected with the LED light bars and fixes their relative positions. Besides, it is easy to install the electrical connector to connect the LED light bars firmly.

Abstract: The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane includes a main body and a bracket connected to the main body. The main body is made of a plastic material and the bracket is made of a metal material. The backlight source is mounted to the bracket. The side-edge backlight module of the present invention adopts a backplane that is composed of a plastic main body and a metal bracket and this helps making the side-edge backlight module light-weighted provides multiple choices of the raw materials. Further, the main body directly forms a reflection surface by which the use of an additional reflector plate is eliminated, so that the installation of a light guide plate is made easy and the manufacture cost is further reduced.

Abstract: The present invention provides a flat panel display device, which includes a backlight system and a display panel, wherein the backlight system includes an LED light source, which includes an LED lamp and an LED substrate carrying the LED lamp; a back frame, which is disposed below the LED substrate and includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and a PCB, which is disposed below the back frame and fixed to the LED substrate. The present invention also provides a stereoscopic display device. The flat panel display device and the stereoscopic display device of the present invention save the material and space of the back frame, and lower down the cost of the flat panel display device and the stereoscopic display device.