Display apparatus

Abstract

A display apparatus comprises: a display panel; a plurality of light source substrates; a plurality of light sources mounted on the plurality of light source substrates and configured to emit light toward the display panel; a driving board configured to control driving of each of the plurality of light sources; a plurality of connectors electrically connected to the driving board by an electric wire and disposed on the plurality of light source substrates; and a bottom chassis including a vertical edge and supporting the plurality of light source substrates. Each of the plurality of light source substrates includes a substrate body and a plurality of substrate bars each extending along the horizontal direction from the substrate body. Substrate bodies of some light source substrates of the plurality of light source substrates are positioned farther from the vertical edge of the bottom chassis than the plurality of substrate bars in the horizontal direction.

Description

display device

[0001] The present disclosure relates to a display device.

[0002] A display device is a type of output device that converts acquired or stored electrical information into visual information and displays it to the user, and is used in various fields such as homes and businesses.

[0003] Display devices include monitor devices connected to personal computers or server computers, portable computer devices, navigation terminal devices, general television devices, Internet Protocol television (IPTV) devices, portable terminal devices such as smart phones, tablet PCs, personal digital assistants (PDAs), or cellular phones, various display devices used to play images such as advertisements or movies in industrial settings, and various other types of audio / video systems.

[0004] The display device includes a light source module for converting electrical information into visual information, and the light source module includes a plurality of light sources for independently emitting light.

[0005] Each of the plurality of light sources includes, for example, a light emitting diode (LED) or an organic light emitting diode (OLED). For example, the light emitting diode or organic light emitting diode may be mounted on a circuit board or substrate.

[0006] One aspect of the present disclosure provides a display device having an improved structure so that the manufacturing cost of the product can be reduced.

[0007] One aspect of the present disclosure provides a display device having an improved structure for reducing noise caused by wires.

[0008] One aspect of the present disclosure provides a display device having an improved structure to prevent wires from interfering with other components of the display device.

[0009] One aspect of the present disclosure provides a display device having an improved structure that can improve manufacturing efficiency of a product.

[0010] The technical problems to be achieved in this document are not limited to the technical problems mentioned above, and other technical problems not mentioned can be clearly understood by a person having ordinary skill in the technical field to which the present invention belongs from the description below.

[0011] A display device according to one aspect of the present disclosure may include a display panel, a plurality of light source substrates, a plurality of light sources configured to irradiate light toward the display panel, a driving board configured to control driving of each of the plurality of light sources, a plurality of connectors electrically connected to the driving board by wires and arranged on the plurality of light source substrates, and a bottom chassis configured to support the plurality of light source substrates, the bottom chassis including a vertical edge. Each of the plurality of light source substrates may include a substrate body on which at least one of the plurality of connectors is arranged, and a plurality of substrate bars each extending horizontally from the substrate body, the plurality of light sources being mounted thereon. The substrate bodies of some of the light source substrates among the plurality of light source substrates may be positioned further in the horizontal direction from the vertical edge of the bottom chassis than the plurality of substrate bars.

[0012] The vertical edges of the bottom chassis may be provided in a pair. Each of the plurality of substrate bars of one light source substrate adjacent to one vertical edge of the pair of vertical edges among the plurality of light source substrates may extend from the substrate body toward the one vertical edge. Each of the plurality of substrate bars of the other light source substrate adjacent to the other vertical edge of the pair of vertical edges among the plurality of light source substrates may extend from the substrate body toward the other vertical edge.

[0013] The horizontal distance between the one vertical border and the one light source substrate among the plurality of light source substrates may correspond to the horizontal distance between the other vertical border and the other light source substrate among the plurality of light source substrates.

[0014] The vertical edges of the bottom chassis may be provided in a pair. Each of the plurality of substrate bars of one light source substrate, which is most adjacent to one vertical edge of the pair of vertical edges among the plurality of light source substrates, may extend from the substrate body in a direction away from the driving board. Each of the plurality of substrate bars of the other light source substrate, which is most adjacent to the other vertical edge of the pair of vertical edges among the plurality of light source substrates, may extend from the substrate body in a direction away from the driving board.

[0015] The vertical edges of the bottom chassis may be provided as a pair, and the pair of vertical edges may include a first vertical edge and a second vertical edge that are opposite to each other. The plurality of light source substrates may include a pair of first light source substrates arranged most adjacent to each of the pair of vertical edges, and a second light source substrate arranged between the pair of first light source substrates. Among the pair of first light source substrates, the plurality of substrate bars of one first light source substrate arranged closer to the first vertical edge than to the second vertical edge may extend from the substrate body toward the first vertical edge. Among the pair of first light source substrates, the plurality of substrate bars of the other first light source substrate arranged closer to the second vertical edge than to the first vertical edge may extend from the substrate body toward the second vertical edge.

[0016] The substrate body of the second light source substrate may be disposed adjacent to the substrate body of one of the first light source substrates of the pair of first light source substrates. The plurality of substrate bars of the second light source substrate may extend horizontally from the substrate body of the second light source substrate toward the substrate body of the other of the first light source substrates of the pair of first light source substrates.

[0017] The vertical edges of the bottom chassis may be provided as a pair, and the pair of vertical edges may include a first vertical edge and a second vertical edge that are opposite to each other. The plurality of light source substrates may include a pair of first light source substrates arranged most adjacent to each of the pair of vertical edges, and a pair of second light source substrates arranged between the pair of first light source substrates. Among the pair of second light source substrates, the plurality of substrate bars of one second light source substrate arranged closer to the first vertical edge than the second vertical edge may extend from the substrate body in a direction toward the first vertical edge. Among the pair of second light source substrates, the plurality of substrate bars of the other second light source substrate arranged closer to the second vertical edge than the first vertical edge may extend from the substrate body in a direction toward the second vertical edge.

[0018] The horizontal distance between the first vertical frame and the one second light source substrate may correspond to the horizontal distance between the second vertical frame and the other second light source substrate.

[0019] The distance between the substrate body of each of the pair of second light source substrates and the driving board may be shorter than the distance between the substrate body of each of the pair of first light source substrates and the driving board.

[0020] The vertical edges of the bottom chassis may be provided as a pair, and the pair of vertical edges may include a first vertical edge and a second vertical edge that are opposite to each other. The plurality of light source substrates may include a pair of first light source substrates arranged most adjacent to each of the pair of vertical edges, and a pair of second light source substrates arranged between the pair of first light source substrates. The plurality of substrate bars of one of the second light source substrates, which is arranged closer to the first vertical edge than the second vertical edge, may extend from the substrate body in a direction away from the first vertical edge. The plurality of substrate bars of the other of the second light source substrates, which is arranged closer to the second vertical edge than the first vertical edge, may extend from the substrate body in a direction away from the second vertical edge.

[0021] The above plurality of light source substrates may further include a third light source substrate disposed between the pair of second light source substrates.

[0022] The third light source substrate may include a pair of third light source substrates that are arranged to be horizontally opposed to each other. The plurality of substrate bars of one second light source substrate of the pair of third light source substrates, which is arranged closer to the first vertical border than the second vertical border, may be arranged to extend from the substrate body in a direction toward the first vertical border. The plurality of substrate bars of the other second light source substrate of the pair of third light source substrates, which is arranged closer to the second vertical border than the first vertical border, may be arranged to extend from the substrate body in a direction toward the second vertical border.

[0023] The driving board and the wires may be arranged on the rear surface of the bottom chassis. The bottom chassis may include a plurality of protrusions protruding from the rear surface of the bottom chassis. Each connector provided on the substrate body of each of the pair of second light source substrates among the plurality of connectors may penetrate a portion of the bottom chassis spaced apart from the plurality of protrusions.

[0024] The plurality of light source substrates may be arranged in a plurality of rows, each extending along the vertical direction of the bottom chassis and arranged along the horizontal direction of the bottom chassis. The light source substrates included in one of the plurality of rows may include the plurality of substrate bars arranged along the vertical direction of the bottom chassis, and the substrate bodies arranged along the vertical direction of the bottom chassis.

[0025] The above driving board can be placed in the central portion of the bottom chassis.

[0026] A display device according to one aspect of the present disclosure may include a display panel, a plurality of light source substrates, a plurality of light sources mounted on the plurality of light source substrates and arranged to irradiate light toward the display panel, a driving board arranged to control driving of each of the plurality of light sources, a plurality of connectors electrically connected to the driving board by wires and arranged on each of the plurality of substrates, and a vertical edge extending in a vertical direction, and may include a bottom chassis configured to support the plurality of light source substrates and the driving board. Each of the plurality of light source substrates may include a substrate body on which at least one of the plurality of connectors is provided, and a plurality of substrate bars on which the plurality of light sources are mounted, each of the plurality of substrate bars extending in a horizontal direction from the substrate body. Among the plurality of light source substrates, the plurality of substrate bars of some of the light source substrates arranged adjacent to the vertical edge of the bottom chassis may extend from the substrate body in a direction away from the driving board.

[0027] The plurality of light source substrates may include a plurality of first light source substrates arranged closest to the vertical edge of the bottom chassis, and a second light source substrate arranged between the plurality of first light source substrates and horizontally parallel to the plurality of first light source substrates. The substrate body of the second light source substrate may be arranged horizontally adjacent to the substrate body of one first light source substrate among the plurality of first light source substrates. The plurality of substrate bars of the second light source substrate may extend horizontally from the substrate body of the second light source substrate toward the substrate body of another first light source substrate among the plurality of first light source substrates.

[0028] The plurality of light source substrates may include a plurality of first light source substrates arranged closest to the vertical edge of the bottom chassis, and a plurality of second light source substrates arranged between the plurality of first light source substrates and horizontally parallel to the plurality of first light source substrates. Each of the plurality of first light source substrates may have the plurality of substrate bars extend from the substrate body in a direction away from the driving board. Each of the plurality of second light source substrates may have the plurality of substrate bars extend from the substrate body in a direction away from the driving board.

[0029] The plurality of light source substrates may include a plurality of first light source substrates arranged closest to the vertical edge of the bottom chassis, and a plurality of second light source substrates arranged between the plurality of first light source substrates and horizontally parallel to the plurality of first light source substrates. Each of the plurality of first light source substrates may have the plurality of substrate bars extend from the substrate body in a direction away from the driving board. Each of the plurality of second light source substrates may have the plurality of substrate bars extend from the substrate body in a direction approaching the driving board.

[0030] A display device according to one aspect of the present disclosure may include a display panel, a display case configured to support the display panel, a plurality of light source substrates accommodated in the display case, a plurality of light sources mounted on the plurality of light source substrates and configured to irradiate light toward the display panel, and a driving board accommodated in the display case and provided to control driving of each of the plurality of light sources. Each of the plurality of light source substrates may include a substrate body electrically connected to the driving board by a wire and extending in a first direction, and a plurality of substrate bars extending from the substrate body in a second direction different from the first direction and on which the plurality of light sources are mounted. Among the plurality of light source substrates, the substrate bodies of some of the light source substrates arranged closest to a border of the display case in the second direction may be located farther from the border of the display case in the second direction than the plurality of substrate bars.

[0031] The above and other aspects, features and advantages of specific embodiments of the present disclosure will become more apparent from the following description taken in conjunction with the accompanying drawings.

[0032] FIG. 1 is a drawing illustrating a display device according to an embodiment of the present disclosure.

[0033] FIG. 2 is an exploded view of a display device according to an embodiment of the present disclosure.

[0034] FIG. 3 is a cross-sectional view illustrating a liquid crystal panel of a display device according to an embodiment of the present disclosure.

[0035] FIG. 4 is an enlarged view of a light source and a reflective sheet of a display device according to an embodiment of the present disclosure.

[0036] FIG. 5 is a drawing illustrating a light source substrate of a display device according to an embodiment of the present disclosure.

[0037] FIG. 6 is an enlarged view of some adjacent light source substrates among light source substrates of a display device according to an embodiment of the present disclosure.

[0038] FIG. 7 is a drawing illustrating a connector of a display device according to an embodiment of the present disclosure, a wire connected thereto, and a portion of a bottom chassis.

[0039] FIG. 8 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0040] FIG. 9 is a rear view of a printed circuit board assembly and bottom chassis of a display device according to an embodiment of the present disclosure.

[0041] FIG. 10 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0042] FIG. 11 is a rear view of a printed circuit board assembly and bottom chassis of a display device according to an embodiment of the present disclosure.

[0043] FIG. 12 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0044] FIG. 13 is a rear view of a printed circuit board assembly and bottom chassis of a display device according to an embodiment of the present disclosure.

[0045] FIG. 14 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0046] FIG. 15 is a rear view of a printed circuit board assembly and bottom chassis of a display device according to an embodiment of the present disclosure.

[0047] FIG. 16 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0048] FIG. 17 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0049] The embodiments described in this specification and the configurations illustrated in the drawings are merely preferred examples of the disclosed invention, and there may be various modified examples that can replace the embodiments and drawings of this specification at the time of filing of this application.

[0050] Additionally, the same reference numbers or symbols presented in each drawing of this specification represent parts or components that perform substantially the same function.

[0051] Additionally, the singular form of a noun corresponding to an item may include one or more of said items, unless the relevant context clearly indicates otherwise.

[0052] Additionally, in this document, each of the phrases "A or B", "at least one of A and B", "at least one of A or B", "A, B, or C", "at least one of A, B, and C", and "at least one of A, B, or C" may include any one of the items listed together in the corresponding phrase, or all possible combinations thereof.

[0053] Additionally, the terms "part," "module," and "member" may be implemented in hardware or software. Depending on the embodiments, multiple "parts," "modules," and "members" may be implemented as a single component, or a single "part," "module," or "member" may include multiple components.

[0054] In addition, the terminology used in this specification is used to describe embodiments and is not intended to limit and / or restrict the disclosed invention. The singular expression includes plural expression unless the context clearly indicates otherwise. In this specification, the terms "comprise" or "have" and the like are intended to specify the presence of a feature, number, step, operation, component, part, or combination thereof described in the specification, but do not exclude in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0055] Additionally, terms including ordinal numbers such as “first,” “second,” etc. used herein may be used to describe various components, but the components are not limited by the terms, and the terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term “and / or” includes any combination of a plurality of related listed items or any item among a plurality of related listed items.

[0056] When a component (e.g., a first component) is referred to as being "coupled" or "connected" to another component (e.g., a second component), with or without the terms "functionally" or "communicatively," it means that the component can be connected to the other component directly (e.g., wired), wirelessly, or through a third component.

[0057] When a component is said to be “connected,” “coupled,” “supported,” or “in contact with” another component, this includes not only cases where the components are directly connected, coupled, supported, or in contact, but also cases where the components are indirectly connected, coupled, supported, or in contact through a third component.

[0058] When we say that a component is "on" another component, this includes not only cases where the component is in contact with the other component, but also cases where there is another component between the two components.

[0059] Meanwhile, the terms "up-down direction", "front-back direction", etc. used in the following description are defined based on the drawings, and the shape and position of each component are not limited by these terms. For example, the terms "front" and "rear" below may be defined based on the X direction shown in the drawings, respectively. The terms "upper" and "lower" below may be defined based on the Z direction shown in the drawings, respectively. The terms "left direction" and "right direction" below may be defined based on the Y direction shown in the drawings, respectively. The term "vertical direction" below may mean the Z direction shown in the drawings, respectively, and the term "horizontal direction" below may mean the Y direction shown in the drawings, respectively.

[0060] Hereinafter, embodiments according to the present invention will be described in detail with reference to the attached drawings.

[0061] FIG. 1 is a drawing illustrating a display device according to an embodiment of the present disclosure.

[0062] Referring to FIG. 1, a display device (1) according to one embodiment of the present disclosure is a device that processes an image signal received from the outside and can visually display the processed image. In FIG. 1, the display device (1) is exemplified as a television (TV), but is not limited thereto. For example, the display device (1) can be implemented in various forms such as a monitor, which is a type of computer output device, a portable multimedia device, a portable communication device, etc., and the form of the display device (1) is not limited as long as it is a device that visually displays an image.

[0063] In addition, the display device (1) may be a large format display (LFD) installed outdoors, such as on a building rooftop or a bus stop. Here, the outdoors is not necessarily limited to outdoors, and the display device (1) according to one embodiment of the present disclosure may be installed in any indoor location where a large number of people may enter and exit, such as a subway station, shopping mall, movie theater, company, or store.

[0064] In Fig. 1, the display device (1) is described as a flat display device with a flat screen as an example, but is not limited thereto, and the display device according to the concept of the present disclosure can also be applied to a curved display device or a bendable or flexible display device in which the flat state and the curved state can be changed. In addition, the configuration of the present disclosure can be applied to display devices of various shapes regardless of the screen size or ratio of the display device.

[0065] The display device (1) can receive content including video signals and audio signals from various content sources, and output video and audio corresponding to the video signals and audio signals. For example, the display device (1) can receive content data via a broadcast reception antenna or a wired cable, receive content data from a content playback device, or receive content data from a content provider's content provision server.

[0066] The display device (1) can display an image corresponding to video data and output a sound corresponding to audio data. For example, the display device (1) can restore a plurality of image frames included in the video data and continuously display the plurality of image frames. In addition, the display device (1) can restore an audio signal included in the audio data and continuously output a sound according to the audio signal.

[0067] As illustrated in FIG. 1, the display device (1) may include a main body (11) and a screen (12) that displays an image (I).

[0068] The display device (1) can be installed in a standing manner on an indoor or outdoor floor or furniture, or can be installed in a wall-mounted manner on a wall or within a wall. For example, the display device (1) can include a support leg (19) provided at the lower portion of the main body (11) so that it can be installed in a standing manner on an indoor or outdoor floor or furniture.

[0069] The main body (11) can form the outer shape of the display device (1). Parts for performing various functions, such as displaying an image (I) by the display device (1), can be provided inside the main body (11).

[0070] The display device (1) can be configured to display an image (I). Specifically, the screen (12) can be formed on the front of the main body (11), and the display device (1) can display the image (I) through the screen (12). For example, the screen (12) can display a still image or a moving image. In addition, the screen (12) can display a two-dimensional flat image or a three-dimensional stereoscopic image using the parallax of the user's two eyes.

[0071] A plurality of pixels (P) may be formed on the screen (12). An image (I) displayed on the screen (12) may be formed by light emitted from each of the plurality of pixels (P). For example, an image (I) may be formed on the screen (12) by combining the light emitted from the plurality of pixels (P) like a mosaic.

[0072] Each of the plurality of pixels (P) can emit light of different brightness and different colors. Specifically, each of the plurality of pixels (P) is divided into sub-pixels (P R , P G , P B ) may include sub-pixels (P R , P G , P B ) is a red sub-pixel (P) that can emit red light. R ), a green sub-pixel (P) capable of emitting green light G ) and blue sub-pixels (P) capable of emitting blue light. B ) can include. For example, red light can refer to light with a wavelength of approximately 620 nm (nanometer, one billionth of a meter) to 750 nm, green light can refer to light with a wavelength of approximately 495 nm to 570 nm, and blue light can refer to light with a wavelength of approximately 450 nm to 495 nm.

[0073] Red subpixel (P R ), green subpixel (P G) and blue subpixel (P B ) Each of the plurality of pixels (P) can emit light of various brightness and color by combining the light emitted from each pixel.

[0074] FIG. 2 is an exploded view of a display device according to an embodiment of the present disclosure.

[0075] Referring to FIG. 2, various components for generating an image (I) on a screen (12) may be provided inside a main body (11) of a display device (1) according to one embodiment of the present disclosure.

[0076] For example, the display device (1) may include a display panel (20). The display panel (20) may be provided on the main body (11). The display panel (20) may be provided to display an image (I). The screen (12) described in FIG. 1 may be formed on the front surface of the display panel (20).

[0077] For example, the display panel (20) may have a roughly rectangular shape. Specifically, the display panel (20) may have a shape in which the lengths of the horizontal and vertical sides are different from each other. That is, the display panel (20) may be provided to have a long side and a short side. The display panel (20) may be provided in a rectangular plate shape. However, the present invention is not limited thereto, and the display panel (20) may also be provided in a square plate shape in which the lengths of the long sides and the short sides are almost equal.

[0078] The display panel (20) can be provided in various sizes. The ratio of the long side to the short side of the display panel (20) is not limited to general cases such as 16:9 or 4:3, but can be provided in any arbitrary ratio.

[0079] In a display device (1) according to one embodiment of the present disclosure, the display panel (20) may be configured as a panel of a light-emitting display type such as a liquid crystal display (LCD).

[0080] On one side of the display panel (20), a cable (20a) for transmitting image data to the display panel (20) and a display driver integrated circuit (DDI) (30) (hereinafter referred to as a 'driver IC') for processing digital image data and outputting an analog image signal may be provided.

[0081] A cable (20a) can electrically connect between a printed circuit board assembly (PBA) (50, 60, 70) and a driver IC (30), and can also electrically connect between the driver IC (30) and a display panel (20). The cable (20a) may include a flexible flat cable or a film cable that can be bent.

[0082] The driver IC (30) can receive image data and power from a printed circuit board assembly (50, 60, 70) through a cable (20a), and transmit image data and driving current to a display panel (20) through the cable (20a).

[0083] In addition, the cable (20a) and the driver IC (30) may be implemented as a single unit, such as a film cable, a chip on film (COF), a tape carrier packet (TCP), etc. In other words, the driver IC (30) may be placed on the cable (20a). However, this is not limited thereto, and the driver IC (30) may be placed on the display panel (20).

[0084] A detailed description of the structure of the display panel (20) will be described later.

[0085] The display device (1) may include a backlight unit (100) configured to irradiate light toward the display panel (20). The backlight unit (100) may be provided in the main body (11). The backlight unit (100) may be arranged at the rear of the display panel (20) and configured to irradiate light toward the front where the display panel (20) is located. Specifically, the backlight unit (100) may be configured as a surface light source. The display panel (20) may block or allow light emitted from the backlight unit (100) to pass through.

[0086] The backlight unit (100) may include a point light source that emits monochromatic light or white light, and may be configured to refract, reflect, and scatter light to convert light emitted from the point light source into uniform surface light. The backlight unit (100) may emit uniform surface light toward the front by refracting, reflecting, and scattering light emitted from the point light source.

[0087] As illustrated in FIG. 2, the backlight unit (100) may include a light source module (1000). The light source module (1000) may generate and emit light. Specifically, the light source module (1000) may be configured to emit monochromatic light or white light.

[0088] The light source module (1000) may include a plurality of light sources (1100) arranged to irradiate light and a light source substrate (1200) on which the plurality of light sources (1100) are mounted (see FIG. 4, etc.).

[0089] A detailed description of the light source module (1000) will be described later.

[0090] As illustrated in FIG. 2, the backlight unit (100) may include a reflective sheet (120) configured to reflect light. The reflective sheet (120) may reflect light forward or in a direction close to the forward direction.

[0091] For example, the reflective sheet (120) can be attached to the front of the light source module (1000). Specifically, the reflective sheet (120) can be attached to the front of the light source substrate (1200).

[0092] For example, the light source module (1000) (specifically, the light source (1100) of the light source module (1000), see FIG. 4) can emit light in various directions in front of the reflective sheet (120). The light emitted from the light source module (1000) can be emitted not only toward the diffusion plate (130) to be described later, but also toward the reflective sheet (120) from the light source module (1000), and the reflective sheet (120) can reflect the light emitted toward the reflective sheet (120) toward the diffusion plate (130).

[0093] Alternatively, when light emitted from a light source module (1000) passes through various objects such as a diffuser plate (130) and an optical sheet (140), some of it may be reflected from the surface of the diffuser plate (130) and the optical sheet (140), and the reflective sheet (120) may reflect the reflected light forward again for this reason.

[0094] As illustrated in FIG. 2, the backlight unit (100) may include a diffuser plate (130) configured to uniformly diffuse light. The diffuser plate (130) may be provided in front of the light source module (1000) and the reflective sheet (120). The diffuser plate (130) may evenly disperse light emitted from the light source module (1000) and then emit the light forward.

[0095] As illustrated in FIG. 2, the backlight unit (100) may include an optical sheet (140) that is provided to further improve the luminance and uniformity of the emitted light. The optical sheet (140) may be provided to refract and scatter light emitted from the front surface of the diffusion plate (130). For example, the optical sheet (140) may include various types of sheets, such as a diffusion sheet, a prism sheet, a reflective polarizing sheet, and a quantum dot sheet.

[0096] The display device (1) may include a main board (50) that controls the operation of a backlight unit (100) and a display panel (20), a driving board (70), and a power supply board (60) that supplies power to the backlight unit (100) and the display panel (20). The main board (50), the power supply board (60), and the driving board (70) may be electrically connected to each other. The main board (50), the power supply board (60), and the driving board (70) may each be provided in the main body (11).

[0097] The main board (50) and / or the drive board (70) may include a control circuit that controls the operation of the display panel (20) and the backlight unit (100). The control circuit may process image data received from an external content source, transmit the image data to the display panel (20), and transmit dimming data to the backlight unit (100).

[0098] For example, the main board (50) can process video signals / audio signals, etc. and output content data in a form that can be output from the display panel (20) or speaker. Alternatively, the main board (50) can control the drive board (70). Alternatively, the main board (50) can be connected to the display panel (20) and control the display panel (20).

[0099] The driving board (70) is connected to the light source module (1000) and can control the light source module (1000). The driving board (70) can transmit a driving current to the light source module (1000) based on a control signal of the main board (50). The driving board (70) is connected to the light source substrate (1200, see FIG. 4) and can control the on / off operation of a plurality of light sources (1100, see FIG. 4).

[0100] The power supply board (60) can supply power to the display panel (20) and the backlight unit (100) so that the backlight unit (100) outputs surface light and the display panel (20) blocks or passes light from the backlight unit (100).

[0101] Meanwhile, FIG. 2 illustrates an example in which the main board (50), the drive board (70), and the power supply board (60) are configured as separate board assemblies; however, the main board (50), the drive board (70), and the power supply board (60) may alternatively be configured as a single integrated board assembly.

[0102] Each printed circuit board assembly (50, 60, 70) may be implemented with a printed circuit board and various circuits mounted on the printed circuit board. For example, the power circuit may include capacitors, coils, resistors, processors, etc., and a power circuit board on which these are mounted. In addition, the control circuit may include memory, a processor, and a control circuit board on which these are mounted.

[0103] The display device (1) may include a display case that is provided to support various components of the main body (11) of the display device (1). In other words, various components of the main body (11) may be accommodated inside the display case. The display case may form the outer shape of the display device (1).

[0104] For example, the display case may support a display panel (20). For example, the display case may support a backlight unit (100). For example, the display case may support a main board (50). For example, the display case may support a power supply board (60). For example, the display case may support a drive board (70).

[0105] For example, the display device (1) may include a top chassis (13). The top chassis (13) may include a top chassis (13) that supports the front or side of the display panel (20). For example, the top chassis (13) may be provided in a shape of an approximately square frame.

[0106] The top chassis (13) may form a bezel that is positioned to face the front of the display device (1) and support the front of the display panel (20). However, if the display device (1) is a bezel-less type display device with a very narrow or no bezel, the top chassis (13) may be provided to support only the side of the display panel (20). Alternatively, if the bottom chassis (15) supports the side of the display panel (20), the display device (1) may not include the top chassis (13).

[0107] For example, the display device (1) may include a bottom chassis (15). The bottom chassis (15) may cover the rear of the display panel (20). The bottom chassis (15) may be coupled to the rear of the top chassis (13). The bottom chassis (15) may support various components of the display device (1), such as a backlight unit (100), a main board (50), a power supply board (60), and a driving board (70).

[0108] The bottom chassis (15) may be formed to have a roughly flat plate shape, but is not limited thereto. The bottom chassis (15) may be formed to include a material with high thermal conductivity to dissipate heat generated from the backlight unit (100) to the outside. For example, the bottom chassis (15) may be formed to include a metal material such as aluminum or SUS, or a plastic material such as ABS.

[0109] For example, the display device (1) may include a middle mold (14). The middle mold (14) may be positioned between the top chassis (13) and the bottom chassis (15). For example, the middle mold (14) may support at least some components of the backlight unit (100).

[0110] For example, the display device (1) may include a rear cover (16). The rear cover (16) is positioned at the rear of the bottom chassis (15) and may cover the bottom chassis (15) and various components mounted at the rear of the bottom chassis (15) (e.g., a main board (50), a power supply board (60), a drive board (70), etc.).

[0111] Meanwhile, unlike as shown in FIG. 2, the display case of the display device (1) according to the invention of the present disclosure may not include some of the components of the top chassis, middle mold, bottom chassis, and rear cover.

[0112] The configuration of the display device (1) described above with reference to FIG. 2 is merely an example for explaining a display device according to the concept of the present disclosure, and the concept of the present disclosure is not limited thereto. A display device according to the concept of the present disclosure may be provided to include various configurations for performing the function of providing images through a screen.

[0113] FIG. 3 is a cross-sectional view illustrating a liquid crystal panel of a display device according to an embodiment of the present disclosure.

[0114] Referring to FIG. 3, a display panel (20) included in a display device (1) according to one embodiment of the present disclosure is configured as a liquid crystal display (LCD) panel and may be arranged to block or allow light emitted from a backlight unit (100) to pass through. By the operation of the display panel (20) blocking or allowing light emitted from the backlight unit (100) to pass through, an image (I) may be formed in front of the display panel (20).

[0115] The front surface of the display panel (20) can form the screen (12) of the display device (1) described above. A plurality of pixels (P) can be provided on the display panel (20). The plurality of pixels (P) provided on the display panel (20) can independently block or transmit light from the backlight unit (100), and the light transmitted by the plurality of pixels (P) can form an image (I) displayed on the screen (12).

[0116] For example, as illustrated in FIG. 3, the display panel (20) may include a first polarizing film (21), a first transparent substrate (22), a pixel electrode (23), a thin film transistor (24), a liquid crystal layer (25), a common electrode (26), a color filter (27), a second transparent substrate (28), and a second polarizing film (29).

[0117] The first transparent substrate (22) and the second transparent substrate (28) can fix and support a pixel electrode (23), a thin film transistor (24), a liquid crystal layer (25), a common electrode (26), and a color filter (27). The first and second transparent substrates (22, 28) can be made of reinforced glass or transparent resin.

[0118] A first polarizing film (21) and a second polarizing film (29) may be provided on the outer side of the first and second transparent substrates (22, 28).

[0119] The first polarizing film (21) and the second polarizing film (29) can each transmit specific light and block other light. For example, the first polarizing film (21) transmits light having a magnetic field vibrating in a first direction and blocks other light. In addition, the second polarizing film (29) transmits light having a magnetic field vibrating in a second direction and blocks other light. At this time, the first direction and the second direction can be orthogonal to each other. Accordingly, the polarization direction of the light transmitted by the first polarizing film (21) and the vibration direction of the light transmitted by the second polarizing film (29) can be orthogonal to each other. As a result, light generally cannot simultaneously transmit through the first polarizing film (21) and the second polarizing film (29).

[0120] A color filter (27) may be provided on the inner side of the second transparent substrate (28).

[0121] The color filter (27) may include, for example, a red filter (27R) that passes red light, a green filter (27G) that passes green light, and a blue filter (27B) that passes blue light, and the red filter (27R), the green filter (27G), and the blue filter (27B) may be arranged in parallel with each other. The area where the color filter (27) is formed may correspond to the pixel (P) described above. The area where the red filter (27R) is formed may correspond to the red sub-pixel (P). R ) corresponds to the green sub-pixel (P), and the area where the green filter (27G) is formed is the green sub-pixel (P G ) corresponds to the blue sub-pixel (P), and the area where the blue filter (27B) is formed is a blue sub-pixel (P B ) can be corresponded to.

[0122] A pixel electrode (23) may be provided on the inner side of the first transparent substrate (22), and a common electrode (26) may be provided on the inner side of the second transparent substrate (28).

[0123] The pixel electrode (23) and the common electrode (26) are made of a metal material that conducts electricity, and can generate an electric field to change the arrangement of liquid crystal molecules (25a) that constitute the liquid crystal layer (25) to be described below.

[0124] The pixel electrode (23) and the common electrode (26) are made of a transparent material and can transmit light incident from the outside. For example, the pixel electrode (23) and the common electrode (26) may be made of indium tin oxide (ITO), indium zinc oxide (IZO), silver nanowire (Ag nanowire), carbon nanotube (CNT), graphene, or PEDOT (3,4-ethylenedioxythiophene). A thin film transistor (TFT) (24) may be provided on the inside of the second transparent substrate (28).

[0125] The thin film transistor (24) can pass or block current flowing through the pixel electrode (23). For example, an electric field can be formed or removed between the pixel electrode (23) and the common electrode (26) depending on whether the thin film transistor (24) is turned on (closed) or turned off (open).

[0126] The thin film transistor (24) can be composed of polysilicon and can be formed by a semiconductor process such as lithography, deposition, or ion implantation.

[0127] A liquid crystal layer (25) may be formed between the pixel electrode (23) and the common electrode (26). The liquid crystal layer (25) may be filled with liquid crystal molecules (25a).

[0128] Liquid crystals exhibit a state intermediate between that of a solid (crystal) and a liquid. Most liquid crystal substances are organic compounds, and their molecular structure is elongated and rod-shaped. While the arrangement of these molecules resembles an irregular state in some directions, they can form regular crystals in other directions. As a result, liquid crystals can exhibit both the fluidity of a liquid and the optical anisotropy of a crystal (solid).

[0129] In addition, liquid crystals can exhibit optical properties depending on changes in the electric field. For example, the direction of the arrangement of molecules constituting the liquid crystal can change depending on changes in the electric field. When an electric field is generated in the liquid crystal layer (25), the liquid crystal molecules (25a) of the liquid crystal layer (25) can be arranged according to the direction of the electric field. When an electric field is not generated in the liquid crystal layer (25), the liquid crystal molecules (25a) can be arranged irregularly or along the alignment layer. As a result, the optical properties of the liquid crystal layer (25) can vary depending on the presence or absence of an electric field passing through the liquid crystal layer (25).

[0130] The structure of the display panel (20) described above with reference to FIG. 3 is only an example of the structure that the display panel of the display device according to the concept of the present disclosure may have, and the concept of the present disclosure is not limited thereto.

[0131] FIG. 4 is an enlarged view of a light source and a reflective sheet of a display device according to an embodiment of the present disclosure.

[0132] Referring to FIG. 4, a display device (1) according to one embodiment of the present disclosure may include a plurality of light sources (1100) and a light source substrate (1200) on which the light sources (1100) are mounted. The plurality of light sources (1100) and the light source substrate (1200) may constitute a light source module (1000) of a backlight unit (100).

[0133] In FIG. 4, one light source (1100) among a plurality of light sources (1100) included in a light source module (1000) is illustrated in detail, and the description of the structure and function of the light source (1100) described below with reference to FIG. 4 can be commonly applied to each of the plurality of light sources (1100).

[0134] The light source (1100) may be configured to irradiate light. The light source (1100) may be configured to irradiate light toward the display panel (20). The light source (1100) may employ a device that, when supplied with power, can emit monochromatic light (light of a specific wavelength, for example, blue light) or white light (for example, light mixed with red light, green light, and blue light) in various directions. For example, the light source (1100) may include a light emitting diode (LED).

[0135] The light source substrate (1200) can fix a plurality of light sources (1100) so that the positions of the light sources (1100) do not change. In addition, the light source substrate (1200) can supply power to each light source (1100) for emitting light.

[0136] The light source substrate (1200) may be made of synthetic resin, reinforced glass, or a printed circuit board (PCB) that fixes a plurality of light sources (1100) and has conductive power supply lines formed thereon to supply power to the light sources (1100).

[0137] The light source (1100) may be provided on the front surface of the light source substrate (1200). The front surface of the light source substrate (1200) as referred to here may refer to a side of the light source substrate (1200) facing the display panel (20). That is, the light source (1100) may be mounted on the light source substrate (1200) so as to face forward and be provided to irradiate light forward.

[0138] The reflective sheet (120) may be arranged in front of the light source substrate (1200). As described above, the reflective sheet (120) may be coupled to the front surface of the light source substrate (1200). At this time, the reflective sheet (120) may include a plurality of through holes (120a) formed at positions corresponding to each of the plurality of light sources (1100) of the light source module (1000). As illustrated in FIG. 4, the light source (1100) may pass through the through holes (120a) and protrude toward the front of the reflective sheet (120). As a result, a portion of the light source (1100) and the light source substrate (1200) may be exposed toward the front of the reflective sheet (120) through the through holes (120a). With this configuration, the light source (1100) may emit light from the front of the reflective sheet (120).

[0139] The reflective sheet (120) can reflect light emitted from the light source (1100) toward the reflective sheet (120) toward the diffuser plate (130).

[0140] The process in which light emitted by multiple light sources (1100) or reflected by a reflective sheet (120) travels toward the display panel (20) is as described above.

[0141] Below, the detailed structure of the light source (1100) and the light source substrate (1200) is described as an example.

[0142] The light source (1100) may include a light emitting diode (1101). The light emitting diode (1101) may include a P-type semiconductor and an N-type semiconductor for emitting light by recombination of holes and electrons. In addition, the light emitting diode (1101) may be provided with a pair of electrodes for supplying holes and electrons to the P-type semiconductor and the N-type semiconductor, respectively.

[0143] The light emitting diode (1101) may be configured to convert electrical energy into light energy. The light emitting diode (1101) may emit light having a maximum intensity at a predetermined wavelength based on the power supplied. For example, the light emitting diode (1101) may emit blue light having a peak value at a wavelength representing blue (e.g., a wavelength between 430 nm and 495 nm).

[0144] For example, a multilayer reflective structure in which a plurality of insulating films having different refractive indices are alternately laminated may be provided on the front surface of a light-emitting diode (1101). For example, such a multilayer reflective structure may be configured as a distributed Bragg reflector (DBR).

[0145] For example, the light emitting diode (1101) may be directly attached to the light source substrate (1200) in a chip-on-board (COB) manner. In other words, the light source (1100) may include a light emitting diode (1101) in which a light emitting diode chip or light emitting diode die is directly attached to the light source substrate (1200) without separate packaging.

[0146] The light source module (1000) can realize miniaturization of the light source (1100) by manufacturing a flip-chip type light emitting diode (1101) attached to a light source substrate (1200) in a chip-on-board manner.

[0147] The light source substrate (1200) may include a power supply line (1230) configured to supply power to the light source (1100). The power supply line (1230) may be configured to supply electrical signals and / or power from a printed circuit board assembly (50, 60, 70) to the light source (1100). For example, the power supply line (1230) may be configured to supply power to a flip-chip type light emitting diode (1101).

[0148] For example, the light source substrate (1200) can be formed by alternately stacking a non-conductive insulation layer and a conductive conduction layer.

[0149] A conductive layer of the light source substrate (1200) may be formed with lines or patterns through which power and / or electrical signals pass. The conductive layer may be composed of various electrically conductive materials. For example, the conductive layer may be composed of various metallic materials such as copper (Cu), tin (Sn), aluminum (Al), or alloys thereof. The power supply line (1230) may be implemented by a line or pattern formed on the conductive layer of the light source substrate (1200).

[0150] The dielectric of the insulating layer of the light source substrate (1200) can insulate between lines or patterns of the conductive layer. The insulating layer can be composed of a dielectric for electrical insulation, such as FR-4.

[0151] For example, a protection layer may be provided on the outer surface of the light source substrate (1200) to prevent or suppress damage to the light source substrate (1200) due to external impact, damage due to chemical action (e.g., corrosion, etc.), and / or damage due to optical action. For example, the protection layer of the light source substrate (1200) may include a photo solder resist (PSR).

[0152] The power supply line (1230) can be covered by a protective layer of the light source substrate (1200) to prevent it from being exposed to the outside.

[0153] For example, the light source substrate (1200) may include a power supply pad (1240) electrically connected to a power supply line (1230) to supply power to a flip-chip type light emitting diode (1101). The power supply line (1230) may be electrically connected to the light emitting diode (1101) via the power supply pad (1240).

[0154] For example, a window may be formed in the protective layer of the light source substrate (1230) to allow a portion of the power supply line (1230) to be exposed to the outside. The power supply pad (1240) may be electrically connected to a portion of the power supply line (1230) exposed to the outside of the light source substrate (1200).

[0155] For example, various conductive adhesive materials having electrical conductivity, such as solder or electrically conductive epoxy adhesives, may be applied between the electrode of the light-emitting diode (1101) and the power supply pad (1240).

[0156] The light source (1100) may include an optical dome (1102). The optical dome (1102) may cover a light emitting diode (1101). The optical dome (1102) may prevent or suppress damage to the light emitting diode (1101) due to external mechanical action and / or damage to the light emitting diode (1101) due to chemical action.

[0157] The optical dome (1102) may have, for example, a dome shape obtained by cutting a sphere with a plane that does not include its center, or a hemispherical shape obtained by cutting a sphere with a plane that includes its center. The vertical cross-section of the optical dome (1102) may be, for example, a segment or a semicircle.

[0158] The optical dome (1102) may be composed of silicone or epoxy resin. For example, molten silicone or epoxy resin may be ejected onto the light-emitting diode (1101) through a nozzle or the like, and the ejected silicone or epoxy resin may then be hardened to form the optical dome (1102).

[0159] The optical dome (1102) may be optically transparent or translucent. Light emitted from the light emitting diode (1101) may pass through the optical dome (1102) and be emitted to the outside.

[0160] At this time, for example, the dome-shaped optical dome (1102) can refract light like a lens. For example, light emitted from a light-emitting diode (1101) can be dispersed by being refracted by the optical dome (1102).

[0161] The structure of the light source module (1000), such as the light source (1100) and the light source substrate (1200), described above with reference to FIG. 4 is merely an example of the structure that the light source module of the display device according to the concept of the present disclosure may have, and the concept of the present disclosure is not limited thereto.

[0162] FIG. 5 is a drawing illustrating a light source substrate of a display device according to an embodiment of the present disclosure.

[0163] Referring to FIG. 5, a display device (1) according to an embodiment of the present disclosure may include a light source module (1000). The display device (1) may include a plurality of light source modules (1000), and the description of the structure and features of one light source module (1000) described below with reference to FIG. 5 may be equally applied to the structure and features of each of the plurality of light source modules (1000).

[0164] A light source module (1000) may include a plurality of light sources (1100) and a light source substrate (1200) on which the plurality of light sources (1100) are mounted. The light source substrate (1200) may support the plurality of light sources (1100). A power supply line (1230) for transmitting driving current to the plurality of light sources (1100) may be provided on the light source substrate (1200).

[0165] The light source substrate (1200) can be placed in the front (+X direction) of the bottom chassis (15). The light source substrate (1200) can be mounted on the bottom chassis (15). The light source substrate (1200) can be fixed to the bottom chassis (15) and supported by the bottom chassis (15).

[0166] The light source substrate (1200) may include a plurality of substrate bars (1220).

[0167] The substrate bar (1220) may be a configuration that forms at least a portion of the light source substrate (1200) described above and may include a printed circuit board having a shape extending in one direction.

[0168] At least a portion of a plurality of light sources (1100) may be mounted on each of the plurality of substrate bars (1220). At least a portion of the plurality of light sources (1100) may be mounted on the front surface of the plurality of substrate bars (1220). Here, the front surface of the plurality of substrate bars (1220) means one surface of the plurality of substrate bars (1220) facing the display panel (20).

[0169] A plurality of substrate bars (1220) may be composed of a printed circuit board on which a light source (1100) is mounted and the aforementioned power supply line (1230) is provided.

[0170] A plurality of substrate bars (1220) may be arranged along the first direction (Z). For example, the plurality of substrate bars (1220) may be arranged approximately along the vertical direction of the display device (1).

[0171] A plurality of substrate bars (1220) may be arranged to be spaced apart from each other. The plurality of substrate bars (1220) may be arranged to be spaced apart from each other along a first direction (Z). For example, the first direction (Z) in which the plurality of substrate bars (1220) are arranged to be spaced apart from each other may be approximately parallel to the vertical direction (i.e., the up-down direction) of the display device (1). The plurality of substrate bars (1220) may be arranged to be parallel at positions spaced apart from each other.

[0172] Each of the plurality of substrate bars (1220) may be formed to have approximately a bar shape. Specifically, each of the plurality of substrate bars (1220) may have a width in a first direction (Z) and may extend in a second direction (Y) different from the first direction (Z). That is, each of the plurality of substrate bars (1220) may have a shape in which a length in the second direction (Y) is longer than a width in the first direction (Z). The second direction (Y) may also be referred to as a bar direction, as it is a direction in which each of the plurality of substrate bars (1220) extends.

[0173] For example, the width direction of each of the plurality of substrate bars (1220) may be approximately parallel to the vertical direction (i.e., up-down direction) of the display device (1). For example, the direction in which each of the plurality of substrate bars (1220) extends may be approximately parallel to the horizontal direction (i.e., left-right direction) of the display device (1).

[0174] For example, the direction in which each of the plurality of substrate bars (1220) extends may be parallel to the long side direction of the display device (1). For example, the width direction of each of the plurality of substrate bars (1220) may be parallel to the short side direction of the display device (1). In other words, the plurality of substrate bars (1220) may be arranged along the short side direction of the display device (1) and may each extend along the long side direction of the display device (1).

[0175] The direction in which the plurality of substrate bars (1220) are arranged spaced apart from each other may be parallel to the respective width directions. In other words, the plurality of substrate bars (1220) may be arranged spaced apart from each other along the first direction (Z), which is the respective width direction.

[0176] Each of the plurality of substrate bars (1220) may extend in a direction different from the direction in which the plurality of substrate bars (1220) are spaced apart from each other. Specifically, each of the plurality of substrate bars (1220) may extend in a direction (Y direction) orthogonal to the direction in which the plurality of substrate bars (1220) are spaced apart from each other (Z direction). That is, the first direction and the second direction described above may be directions orthogonal to each other.

[0177] In contrast, the direction in which the plurality of substrate bars (1220) are arranged spaced apart from each other and the direction in which each of the plurality of substrate bars (1220) extends may have a predetermined angle with each other, but the angle may not be exactly perpendicular.

[0178] For example, a plurality of substrate bars (1220) may be arranged so that the distances spaced apart from each other in the first direction (Z) are uniform. In other words, the distances between adjacent pairs of substrate bars (1220) among the plurality of substrate bars (1220) in the first direction (Z) may all be approximately the same. As a result, the uniformity of the luminance of the display device (1) may be improved.

[0179] For example, the plurality of substrate bars (1220) may be formed to have shapes that correspond to each other. For example, the plurality of substrate bars (1220) may have widths that correspond to each other in the first direction (Z direction). For example, the plurality of substrate bars (1220) may have lengths that correspond to each other extending in the second direction (Y). For example, the plurality of substrate bars (1220) may be formed to have sizes that correspond to each other.

[0180] Each of the plurality of substrate bars (1220) can be mounted on the bottom chassis (15). As each of the plurality of substrate bars (1220) is mounted on the bottom chassis (15) and maintains a fixed position, the plurality of light sources (1100) mounted on the plurality of substrate bars (1220) can be stably positioned at their respective designed positions. For example, each of the plurality of substrate bars (1220) can be mounted on the bottom chassis (15) by a substrate fixer (200) for fixing the light source substrate (1200) to the bottom chassis (15).

[0181] A plurality of substrate bars (1220) may be supported more stably by bar supporters (300). For example, the bar supporters (300) may be respectively coupled to a pair of adjacent substrate bars (1220), thereby enabling the pair of substrate bars (1220) to be supported more stably.

[0182] However, the structure for mounting or stably supporting multiple substrate bars (1220) on the bottom chassis (15) is not limited to the above structure (substrate fixer (200), bar supporter (300), etc.).

[0183] A reflective sheet (120) may be attached to the front surface of each of the plurality of substrate bars (1220).

[0184] The light source substrate (1200) may include a substrate body (1210). The substrate body (1210) may be a configuration that forms a portion of the light source substrate (1200) described above and may include a printed circuit board.

[0185] A plurality of substrate bars (1220) may be connected to a substrate body (1210). The plurality of substrate bars (1220) may be supported by the substrate body (1210). For example, the plurality of substrate bars (1220) may be connected to one side of the substrate body (1210).

[0186] A plurality of substrate bars (1220) may extend from the substrate body (1210). For example, each of the plurality of substrate bars (1220) may extend from the substrate body (1210) in a second direction (Y). For example, each of the plurality of substrate bars (1220) may extend from one side of the substrate body (1210) in the second direction (Y). Each of the plurality of substrate bars (1220) may extend from the substrate body (1210) in the bar direction.

[0187] The substrate body (1210) may extend along the first direction (Z). For example, the substrate body (1210) may have a shape in which the length in the first direction (Z) is longer than the width in the second direction (Y). As the substrate body (1210) extends along the direction in which the plurality of substrate bars (1220) are arranged, the substrate body (1210) may have a structure in which it is connected to a greater number of substrate bars (1220). In addition, in this case, as the plurality of substrate bars (1220) extend from one side in the second direction (Y), which is the width direction (i.e., the direction in which the length is relatively short) of the substrate body (1210), each of the substrate bars (1220) may have a shape in which it extends longer from the substrate body (1210).

[0188] The substrate body (1210) can be mounted on the bottom chassis (15). As the substrate body (1210) is mounted on the bottom chassis (15) and maintains a fixed position, a plurality of light sources (1100) mounted on the substrate body (1210) can be stably positioned at their respective designed positions. In addition, as the substrate body (1210) is mounted on the bottom chassis (15), a plurality of substrate bars (1220) connected to the substrate body (1210) can be more stably supported by the substrate body (1210).

[0189] For example, the substrate body (1210) can be mounted on the bottom chassis (15) by a substrate fixer (200) for fixing the light source substrate (1200) to the bottom chassis (15). However, the structure for mounting or stably supporting the substrate body (1210) on the bottom chassis (15) is not limited to the above structure (substrate fixer (200), etc.).

[0190] For example, some of the plurality of light sources (1100) may be mounted on the substrate body (1210). Some of the plurality of light sources (1100) may be mounted on the front surface of the substrate body (1210). Here, the front surface of the substrate body (1210) means one surface of the substrate body (1210) facing the display panel (20).

[0191] The substrate body (1210) may be composed of a printed circuit board on which a light source (1100) is mounted and the aforementioned power supply line (1230) is provided.

[0192] A reflective sheet (120) may be attached to the front surface of the substrate body (1210). For example, an integral reflective sheet (120) may be attached to the front surfaces of the substrate body (1210) and the plurality of substrate bars (1220). In this case, the uniformity of brightness due to light reflected by the reflective sheet (120) may be improved, and the process of attaching the reflective sheet (120) to the front surfaces of the substrate body (1210) and the plurality of substrate bars (1220) may be simplified. However, the present invention is not limited thereto, and a plurality of reflective sheets (120) that are distinct from each other may be attached to the front surfaces of the substrate body (1210) and the plurality of substrate bars (1220).

[0193] For example, as illustrated in FIG. 5, the substrate body (1210) and the plurality of substrate bars (1220) may be formed integrally with each other. In other words, the substrate body (1210) and the plurality of substrate bars (1220) may be connected to each other to form an integral light source substrate (1200). The light source substrate (1200) may be formed as an integral printed circuit board including the substrate body (1210) and the plurality of substrate bars (1220). However, alternatively, the substrate body (1210) and the plurality of substrate bars (1220) may be connected through a process of assembling each other as separate components that are not formed integrally with each other.

[0194] In FIG. 5, an embodiment is illustrated in which each of the plurality of substrate bars (1220) extends in the right direction (+Y direction) from the substrate body (1210), but the present invention is not limited thereto, and for example, the plurality of substrate bars (1220) may extend in the left direction (-Y direction) from the substrate body (1210).

[0195] In addition, although FIG. 5 illustrates an embodiment in which the substrate body (1210) extends in the vertical direction (Z direction) of the display device (1), the present invention is not limited thereto, and for example, the substrate body (1210) may extend in the horizontal direction (Y direction).

[0196] In addition, although FIG. 5 illustrates an embodiment in which each of the plurality of substrate bars (1220) extends in the horizontal direction (Y direction) from one side of the substrate body (1210) in the horizontal direction (Y direction), the present invention is not limited thereto, and for example, each of the plurality of substrate bars (1220) may extend in the vertical direction (Z direction) from one side of the substrate body (1210) in the vertical direction (Z direction). In this case, the plurality of substrate bars (1220) may be arranged to be spaced apart from each other in the horizontal direction (Y direction).

[0197] In addition, unlike what has been described above, the first direction, which is the width direction of each of the plurality of substrate bars (1220), or the first direction in which the plurality of substrate bars (1220) are arranged to be spaced apart from each other, or the first direction in which the substrate body (1210) extends, or the second direction in which each of the plurality of substrate bars (1220) extends, may not be parallel to either the vertical direction (Z direction) or the horizontal direction (Y direction) of the display device (1).

[0198] However, for convenience of explanation, the following description is based on an embodiment in which the first direction is parallel to the vertical direction (Z direction) of the display device (1) and the second direction is parallel to the horizontal direction (Y direction) of the display device (1).

[0199] The display device (1) may include a connector (1300) provided on a light source substrate (1200). The connector (1300) may be electrically connected to a plurality of light sources (1100). The connector (1300) may be electrically connected to the light source substrate (1200). The connector (1300) may be electrically connected to various electronic components mounted on the light source substrate (1200), such as a plurality of light sources (1100), along a power supply line (1230) provided on the light source substrate (1200). In addition, the connector (1300) may be provided to be electrically connected to a driving board (70) via a wire (C, see FIG. 7). Accordingly, the connector (1300) may transmit a driving signal transmitted from the driving board (70) to various electronic components mounted on the light source substrate (1200), such as a plurality of light sources (1100). In other words, the light source module (1000) can be electrically connected to the driving board (70) through the connector (1300) and can receive driving current from the driving board (70) through the connector (1300).

[0200] For example, the connector (1300) may be mounted on the substrate body (1210). Specifically, the connector (1300) may be mounted on the back surface of the substrate body (1210). The back surface of the substrate body (1210) as referred to herein means a side of the substrate body (1210) that faces the bottom chassis (15). In addition, the back surface of the substrate body (1210) means a side opposite to the front surface of the substrate body (1210) that faces the display panel (20) and on which a plurality of light sources (1100) are mounted.

[0201] As illustrated in FIG. 5, for example, the connector (1300) may be disposed at a position adjacent to the center of the substrate body (1210). Specifically, the connector (1300) may be disposed at a position adjacent to the center of the first direction (Z) of the substrate body (1210). Here, the expression "the connector (1300) is disposed at a position adjacent to the center of the first direction (Z) of the substrate body (1210)" does not necessarily mean that the connector (1300) is disposed such that the distance to one end (e.g., the top) of the substrate body (1210) in the first direction (Z) and the distance to the other end (e.g., the bottom) are the same. By this configuration, the connector (1300) may have a position in the first direction (Z) of the connector (1300) (i.e., the height of the connector (1300) in the vertical direction of the display device (1)) that does not change significantly regardless of the direction in which the light source substrate (1200) and the substrate bar (1220) are positioned with respect to the substrate body (1210), so that the efficiency of product design and manufacturing work may be improved.

[0202] A more detailed description of the connector (1300) is provided below.

[0203] A display device (1) may include a plurality of driving elements (1400) mounted on a light source substrate (1200). The plurality of driving elements (1400) may be arranged to control at least some of the light sources (1100) among the plurality of light sources (1100) mounted on the same light source substrate (1200).

[0204] A plurality of driving elements (1400) may be mounted on a light source substrate (1200) and electrically connected to a power supply line (1230). A plurality of driving elements (1400) may be electrically connected to a driving board (70) through a configuration such as a power supply line (1230) and a connector (1300).

[0205] For example, a plurality of light sources (1100) may be divided into a plurality of dimming blocks including at least one light source (1100), and a plurality of driving elements (1400) may be arranged to control the plurality of dimming blocks by outputting a dimming signal.

[0206] For example, a plurality of driving elements (1400) may be implemented as a pixel IC (Integrated Circuit) or an AM IC (Active Matrix Integrated Circuit).

[0207] For example, as illustrated in FIG. 5, a plurality of driving elements (1400) may be mounted on the front surface of the substrate body (1210). The front surface of the substrate body (1210) as referred to herein refers to a surface of the substrate body (1210) facing the display panel (20). Alternatively, the plurality of driving elements (1400) may be mounted on the back surface of the substrate body (1210). The back surface of the substrate body (1210) as referred to herein refers to a surface opposite to the front surface of the substrate body (1210) and a surface of the substrate body (1210) facing the bottom chassis (15).

[0208] For example, a plurality of driving elements (1400) may be arranged in parallel with each other along the first direction (Z). That is, a plurality of driving elements (1400) may be arranged in parallel along the vertical direction of the display device (1). However, this is not limited thereto, and a plurality of driving elements (1400) may be arranged in various ways.

[0209] FIG. 6 is an enlarged view of some adjacent light source substrates among light source substrates of a display device according to an embodiment of the present disclosure.

[0210] Referring to FIG. 6, a display device (1) according to an embodiment of the present disclosure may include a plurality of light source modules (1000). The display device (1) may include a plurality of light sources (1100) and a plurality of light source substrates (1200) on which the plurality of light sources (1100) are mounted, respectively.

[0211] For example, the plurality of light source modules (1000) may be formed in shapes that correspond to each other. In other words, each of the plurality of light source modules (1000) may have approximately the same structure. As the plurality of light source modules (1000) are designed to have approximately the same shape, waste of components can be prevented and the efficiency of the manufacturing process can be improved, thereby reducing the manufacturing cost. However, the present invention is not limited thereto, and at least some of the plurality of light source modules (1000) may be formed to have different shapes.

[0212] For example, some of the plurality of light source modules (1000) may be arranged parallel to each other in a first direction (Z), and other some of the plurality of light source modules (1000) may be arranged parallel to each other in a second direction (Y). That is, the plurality of light source modules (1000) may be arranged along columns extending in the first direction (Z) and rows extending in the second direction (Y). As illustrated in FIG. 6, the plurality of light source modules (1000) may be arranged in a matrix along rows extending in the horizontal direction (Y) and columns extending in the vertical direction (Z).

[0213] A plurality of light source modules (1000) may be arranged so that the plurality of light sources (1100) are arranged at equal intervals from each other. The plurality of light sources (1100) may be arranged at equal intervals from each other in the vertical direction (Z) and may be arranged at equal intervals from each other in the horizontal direction (Y).

[0214] For example, referring to FIG. 6, the interval (dy1) (hereinafter referred to as “first horizontal interval”) between a pair of light sources (1100p, 1100q) that are arranged most adjacent to each other in the horizontal direction (Y) on one light source substrate (1200) among a plurality of light sources (1100) may be constant. The first horizontal interval may mean the shortest distance in the horizontal direction (Y) between a pair of light sources (1100) among a plurality of light sources (1100) mounted on one light source substrate (1200), and the first horizontal interval (dy1) between a pair of light sources (1100) that are arranged most adjacent to each other in the horizontal direction (Y) on one light source substrate (1200) may be constant.

[0215] At this time, referring to FIG. 6, in a pair of light source modules (1000) that are arranged most adjacent to each other in the horizontal direction (Y), the distance (dy2) (hereinafter referred to as the 'second horizontal distance') between one light source (1100p) among the plurality of light sources (1100) included in one light source module (1000) and one light source (1100s) among the plurality of light sources (1200) included in another light source module (1000) that is arranged most adjacent to the light source (1100p) above in the horizontal direction (Y) may be constant. The second horizontal distance (dy2) may be the same as the first horizontal distance (dy1). In other words, a pair of light source substrates (1200) arranged adjacent to each other in the horizontal direction (Y) can be arranged so that the first horizontal spacing (dy1) and the second horizontal spacing (dy2) of the plurality of light sources (1100) mounted thereon are equal to each other.

[0216] In addition, referring to FIG. 6, the distance (dz1) (hereinafter referred to as the 'first vertical distance') between a pair of light sources (1100p, 1100r) that are most adjacent to each other in the vertical direction (Z) on one light source substrate (1200) among a plurality of light sources (1100) may be constant. The first vertical distance may mean the shortest distance in the vertical direction (Z) between a pair of light sources (1100) among a plurality of light sources (1100) mounted on one light source substrate (1200), and the first vertical distance (dz1) between a pair of light sources (1100) that are most adjacent to each other in the vertical direction (Z) on one light source substrate (1200) may be constant.

[0217] At this time, referring to FIG. 6, in a pair of light source modules (1000) that are arranged most adjacent to each other in the vertical direction (Z), the distance (dz2) (hereinafter referred to as the 'second vertical distance') between one light source (1100p) among the plurality of light sources (1100) included in one light source module (1000) and one light source (1100t) among the plurality of light sources (1200) included in the other light source module (1000) that is arranged most adjacent to the light source (1100p) above in the vertical direction (Z) may be constant. The second vertical distance (dz2) may be the same as the first vertical distance (dz1). In other words, a pair of light source substrates (1200) arranged adjacent to each other in the vertical direction (Z) can be arranged so that the first vertical spacing (dz1) and the second vertical spacing (dz2) of the plurality of light sources (1100) mounted thereon are equal to each other.

[0218] Furthermore, the first horizontal interval (dy1), the second horizontal interval (dy2), the first vertical interval (dz1), and the second vertical interval (dz2) may be arranged to be equal to each other.

[0219] The arrangement structure of the light source module (1000) as above can be applied to the arrangement between a plurality of light source modules (1000) that are arranged adjacent to each other in the horizontal direction (Y) or vertical direction (Z). Due to the arrangement structure of the light source module (1000) as above, the plurality of light sources (1100) can be arranged so that the horizontal direction (Y) interval and the vertical direction (Z) interval between the light sources (1100) are uniform, and the brightness of the display device (1) can be provided uniformly.

[0220] As described below, the light source substrate (1200) may be arranged so that the substrate body (1210) is positioned to the left (-Y direction side) relative to the plurality of substrate bars (1220), or conversely, the substrate body (1210) may be arranged so that the substrate body (1210) is positioned to the right (+Y direction side) relative to the plurality of substrate bars (1220), as needed. In this case, by the arrangement structure of the light source module (1000) configured so that the first horizontal interval (dy1), the second horizontal interval (dy2), the first vertical interval (dz1), and the second vertical interval (dz2) are constant as described above, the plurality of light sources (1100) can be arranged at a uniform interval regardless of the direction in which the light source substrate (1200) is positioned relative to the plurality of substrate bars (1220).

[0221] FIG. 7 is a drawing illustrating a connector of a display device according to an embodiment of the present disclosure, a wire connected thereto, and a portion of a bottom chassis.

[0222] Referring to FIG. 7, in a display device (1) according to one embodiment of the present disclosure, a plurality of light source substrates (1200) may be electrically connected to at least some of the printed circuit board assemblies (50, 60, 70) by wires (C). Specifically, as illustrated in FIGS. 8 and 9 , each of the plurality of light source substrates (1200) may be electrically connected to a driving board (70) by wires (C). Each of the plurality of light source substrates (1200) may be connected to a wire (C) to which the driving board (70) is electrically connected. Each of the plurality of light source substrates (1200) may receive a driving signal from the driving board (70) through the wires (C).

[0223] For example, the wire (C) may include a flexible flat cable or a film cable.

[0224] As described above, the light source substrate (1200) may be placed at the front of the bottom chassis (15), while the drive board (70) may be placed at the rear of the bottom chassis (15). The wire (C) connected to the drive board (70) may be placed at the rear of the bottom chassis (15).

[0225] The display device (1) may include a plurality of connectors (1300) provided on each of a plurality of light source substrates (1200). At least one connector (1300) may be provided on one light source substrate (1200). One or more connectors (1300) among the plurality of connectors (1300) may be provided on the substrate body (1210) of each of the plurality of light source substrates (1200).

[0226] Each of the plurality of connectors (1300) may be connected to a wire (C). Each of the plurality of connectors (1300) may be electrically connected to a driving board (70) by the wire (C). Each of the plurality of connectors (1300) may be arranged to be connected to the wire (C) so that each of the plurality of light source substrates (1200) is electrically connected to the driving board (70). The light source substrate (1200) may be electrically connected to the driving board (70) as the connector (1300) mounted thereon is connected to the wire (C).

[0227] As described above, each of the plurality of connectors (1300) may be disposed on the back surface of the light source substrate (1200). Specifically, the plurality of connectors (1300) may be disposed on the back surface of the substrate body (1210).

[0228] At this time, a plurality of connectors (1300) may be arranged to penetrate the bottom chassis (15). The bottom chassis (15) may include a connector hole (15c), and the connector (1300) may be arranged to penetrate the connector hole (15c). The connector (1300) may be connected to a wire (C) arranged at the rear of the bottom chassis (15) by penetrating the connector hole (15c). A plurality of connector holes (15c) may be provided, and the plurality of connector holes (15c) may be arranged to correspond to the respective positions of the plurality of connectors (1300). For example, the connector hole (15c) may be formed in a hole shape that penetrates the bottom chassis (15) in the front-back direction (X).

[0229] For example, the connector (1300) may be mounted on the substrate body (1210) as a separate component from the substrate body (1210). Alternatively, the connector (1300) may be an integral part of the substrate body (1210).

[0230] For example, the connector (1300) may be formed to have a long side (1301) and a short side (1302) that is shorter than the long side (1301). For example, the long side (1301) and the short side (1302) of the connector (1300) may be arranged to be perpendicular to each other, but are not limited thereto.

[0231] At this time, the long side (1301) of the connector (1300) may be parallel to the first direction (Z). That is, the connector (1300) may be arranged such that its long side (1301) is parallel to the first direction (Z). In other words, the connector (1300) may be arranged such that its length in the first direction (Z) is longer than its length in the second direction (Y), and may extend long in the first direction (Z). The connector (1300) may be arranged such that its long side (1301) is parallel to the first direction (Z), which is the longitudinal direction of the substrate body (1210). The connector (1300) may be arranged such that its long side (1301) is approximately orthogonal to the second direction (Y), which is the direction in which each substrate bar (1220) extends. The connector (1300) can be arranged so that its long side (1301) is parallel to the first direction (Z), which is the direction in which the plurality of substrate bars (1220) are arranged.

[0232] Unlike as illustrated in FIG. 7, if it is assumed that the short side (1302) of the connector (1300) is parallel to the first direction (Z), the connector (1300) may be arranged such that the long side (1301) is parallel to the second direction (Y), and accordingly, the length of the substrate body (1210) on which the connector (1300) is mounted may be required to be longer in the second direction (Y) compared to the case illustrated in FIG. 7. In this case, the amount of material required to manufacture the substrate body (1210) may increase, and the manufacturing cost of the product may increase.

[0233] However, as illustrated in FIG. 7, since the long side (1301) of the connector (1300) is parallel to the first direction (Z), the amount of material required to manufacture the substrate body (1210) can be reduced, and the manufacturing cost of the product can be reduced.

[0234] For example, a wire (C) connected to a driving board (70) may be arranged to be electrically connected to a connector (1300) through a connection terminal (1300a) provided on a long side (1301) of the connector (1300). In addition, for example, a power supply line (1230) of a light source board (1200) may be arranged to be electrically connected to a connector (1300) through a connection terminal (1300a) provided on a long side (1301) of the connector (1300).

[0235] In some embodiments, in each of the plurality of light source modules (1000), the connectors (1300) may be arranged so that the direction in which the connection terminals (1300a) are positioned with respect to the light source substrate (1200) is the same.

[0236] For example, referring to FIGS. 8 and 9, in each of the plurality of light source modules (1000), the connector (1300) may be positioned such that the connection terminal (1300a) faces the direction in which the substrate bar (1220) is positioned with respect to the substrate body (1210).

[0237] In this way, multiple light source modules (1000) can all have the same structure, thereby reducing the manufacturing cost of the parts and improving the manufacturing efficiency of the product.

[0238] FIG. 8 is a front view of a light source substrate and a bottom chassis of a display device according to one embodiment of the present disclosure. FIG. 9 is a rear view of a printed circuit board assembly and a bottom chassis of a display device according to one embodiment of the present disclosure.

[0239] Referring to FIGS. 8 and 9, a display device (1) according to one embodiment of the present disclosure may include a plurality of light source substrates (1200) on which a plurality of light sources (1100) are mounted, and a driving board (70) provided to control the driving of each of the plurality of light sources (1100). For example, as illustrated in FIGS. 8 and 9, the driving board (70) may be disposed approximately at the center of the second direction (Y) of the display device (1). That is, the driving board (70) may be disposed approximately at the center of the bottom chassis (15).

[0240] The driving board (70) is electrically connected to each of the plurality of light source substrates (1200) and can control the driving of the light sources (1100) mounted thereon. Each of the plurality of light source substrates (1200) can be electrically connected to the driving board (70) by a wire (C). The wires (C) are provided in multiple numbers to connect each of the plurality of light source substrates (1200) to the driving board (70).

[0241] The driving board (70) may include a plurality of connection ports to which a plurality of wires (C) are connected. One wire (C) may be connected to one connection port provided on the driving board (70) and may be connected to one connector (1300) provided on one of the plurality of light source boards (1200). Accordingly, the driving board (70) and each of the plurality of light source boards (1200) may be electrically connected by the wire (C), and a driving current from the driving board (70) may be transmitted to each of the light source boards (1200) through the wire (C). The wire (C) may extend from the connection port of the driving board (70) to the connector (1300) provided on the light source board (1200).

[0242] As described above, the connector (1300) may be provided on the substrate body (1210) of the light source substrate (1200). Specifically, the connector (1300) may be mounted on the back surface of the substrate body (1210). The back surface of the substrate body (1210) as referred to here means a side of the substrate body (1210) that is opposite to the front surface of the substrate body (1210) facing the display panel (20) and facing the bottom chassis (15). As illustrated in FIG. 7, the connector (1300) may be arranged to penetrate the connector hole (15c) of the bottom chassis (15) and be connected to a wire (C) arranged at the rear of the bottom chassis (15). Alternatively, the connector (1300) may not pass through the bottom chassis (15), but instead the wire (C) may pass through the bottom chassis (15) and be connected to the connector (1300) at the front of the bottom chassis (15).

[0243] At this time, the position of the connector (1300) may vary depending on the direction in which the light source substrate (1200) is installed on the bottom chassis (15).

[0244] As described above, the light source substrate (1200) may be positioned so that the substrate body (1210) is positioned to the left (-Y direction side) with respect to the substrate bar (1220) (for example, four light source substrates (1200) in two columns on the right based on FIG. 8), and in this case, the connector (1300) may be positioned to the left with respect to the substrate bar (1220). In this case, since the substrate body (1210) has a short width in the horizontal direction (Y) and the substrate bar (1220) has a long length in the horizontal direction (Y), the connector (1300) may be positioned to be biased to the left on the light source substrate (1200).

[0245] Alternatively, the light source substrate (1200) may be positioned so that the substrate body (1210) is positioned to the right (+Y direction side) with respect to the substrate bar (1220) (for example, four light source substrates (1200) in the left two columns based on FIG. 8), in which case the connector (1300) may be positioned to the right with respect to the substrate bar (1220). In this case, since the substrate body (1210) has a short width in the horizontal direction (Y) and the substrate bar (1220) has a long length in the horizontal direction (Y), the connector (1300) may be positioned to be biased to the right on the light source substrate (1200).

[0246] In this way, depending on the direction in which the substrate body (1210) is positioned with respect to the substrate bar (1220), the direction in which the connector (1300) is positioned with respect to the center of the light source substrate (1200) may vary, and thus the distance between the driving board (70) and the connector (1300) may vary. That is, depending on the direction in which the light source substrate (1200) is installed, the extension length of the wire (C) connecting the connection port of the driving board (70) and the connector (1300) may vary.

[0247] If the distance between the driving board (70) and the connector (1300) increases and the extension length of the wire (C) becomes longer, noise caused by the current flowing along the wire (C) may increase, which may result in a deterioration in product quality. In addition, if the extension length of the wire (C) becomes longer, the number of design factors to be considered in order to arrange the wire (C) so as to prevent interference with other components inside the display device (1) may increase, making it difficult to efficiently design the product and possibly reducing manufacturing efficiency. In addition, if the extension length of the wire (C) becomes unnecessarily long, manufacturing costs may increase.

[0248] Accordingly, according to some embodiments, at least some of the light source substrates (1200) among the plurality of light source substrates (1200) may be arranged such that the substrate body (1210) is further from the edge (15A, 15B) of the bottom chassis (15) than the plurality of substrate bars (1220). Furthermore, at least some of the light source substrates (1200) among the plurality of light source substrates (1200) may be arranged such that the substrate body (1210) is closer to the drive board (70) than the plurality of substrate bars (1220).

[0249] As illustrated, the bottom chassis (15) may include a horizontal border (15A) extending in a second direction (Y) (i.e., a horizontal direction of the display device (1)) and a vertical border (15B) extending in a first direction (Z) (i.e., a vertical direction of the display device (1)). The horizontal borders (15A) of the bottom chassis (15) may be provided as a pair. The vertical borders (15B) of the bottom chassis (15) may be provided as a pair. For example, the bottom chassis (15) may have an approximately rectangular shape by including a pair of horizontal borders (15A) and a pair of vertical borders (15B).

[0250] Specifically, at least some of the light source substrates (1200) among the plurality of light source substrates (1200) may be arranged such that the substrate body (1210) is positioned further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). The edges (15A, 15B) of the bottom chassis (15) may include a pair of horizontal edges (15A) extending in the horizontal direction (Y) and a pair of vertical edges (15B) extending in the vertical direction (Z), and at least some of the light source substrates (1200) among the plurality of light source substrates (1200) may be arranged such that a distance between the substrate body (1210) and the vertical edges (15B) is longer than a distance between the plurality of substrate bars (1220) and the vertical edges (15B). That is, among the plurality of light source substrates (1200), some of the light source substrates (1200A) arranged adjacent to the vertical edge (15B) of the bottom chassis (15) may be arranged so that the substrate body (1210) is positioned further away from the vertical edge (15B) of the bottom chassis (15) in the second direction (Y) (i.e., horizontal direction) than the plurality of substrate bars (1220).

[0251] In other words, at least some of the light source substrates (1200) among the plurality of light source substrates (1200) may be positioned such that the substrate body (1210) is further from the edge of the display case and in the second direction (Y) than the plurality of substrate bars (1220).

[0252] In other words, at least some of the light source substrates (1200) among the plurality of light source substrates (1200) may be arranged such that the substrate body (1210) is closer to the driving board (70) than the plurality of substrate bars (1220). In at least some of the light source substrates (1200) among the plurality of light source substrates (1200), the plurality of substrate bars (1220) may extend from the substrate body (1210) in the second direction (Y) away from the driving board (70).

[0253] More specifically, among the plurality of light source substrates (1200), one of the pair of vertical edges (15B) and one of the light source substrates (1200) adjacent to one of the vertical edges (15B) (e.g., the left edge (-Y direction side) based on FIG. 8) may have each of the plurality of substrate bars (1220) extend from the substrate body (1210) toward one of the vertical edges (15B) (e.g., the left edge based on FIG. 8). In addition, symmetrically, among the plurality of light source substrates (1200), another of the pair of vertical edges (15B) and one of the light source substrates (1200) adjacent to the other of the vertical edges (15B) (e.g., the right edge (+Y direction side) based on FIG. 8) may have each of the plurality of substrate bars (1220) extend from the substrate body (1210) toward the other of the vertical edges (15B) (e.g., the right edge based on FIG. 8).

[0254] In other words, among the plurality of light source substrates (1200), one of the pair of vertical edges (15B) and one of the light source substrates (1200) adjacent to one of the vertical edges (15B) (e.g., the left (-Y direction side) edge based on FIG. 8) may have each of the plurality of substrate bars (1220) extend in a direction away from the substrate body (1210) and the driving board (70). In addition, symmetrically, among the plurality of light source substrates (1200), another of the pair of vertical edges (15B) and the other of the light source substrates (1200) adjacent to the other of the vertical edges (15B) (e.g., the right (+Y direction side) edge based on FIG. 8) may have each of the plurality of substrate bars (1220) extend in a direction away from the substrate body (1210) and the driving board (70).

[0255] At this time, assuming that one of the light source substrates (1200) that is closer to one of the vertical borders (15B) (for example, the left (-Y direction side) border based on FIG. 8) among the pair of vertical borders (15B) is one of the light source substrates (1200A) that is closest to the vertical border (15B) of the bottom chassis (15) among the plurality of light source substrates (1200), and that the other of the vertical borders (15B) that is closer to the other of the light source substrates (1200A) that is closest to the vertical border (15B) of the bottom chassis (15) among the plurality of light source substrates (1200), the second direction (Y) distance between 'one vertical border (15B)' and 'one light source substrate (1200A)' referred to here is 'another vertical It can correspond to the second direction (Y) distance between the ‘border (15B)’ and ‘another light source substrate (1200A)’.

[0256] Alternatively, assuming that one of the pair of vertical borders (15B) here is one of the light source substrates (1200) that is closer to one of the vertical borders (15B) (e.g., the left (-Y direction side) border based on FIG. 8) is one of the light source substrates (1200) that is second closest to the vertical border (15B) of the bottom chassis (15) among the plurality of light source substrates (1200), and that the other of the pair of vertical borders (15B) here is one of the light source substrates (1200B) that is second closest to the vertical border (15B) of the bottom chassis (15) among the plurality of light source substrates (1200), the second direction (Y) distance between 'one vertical border (15B)' and 'one light source substrate (1200B)' here is 'the other vertical It can correspond to the second direction (Y) distance between the ‘border (15B)’ and ‘another light source substrate (1200B)’.

[0257] In this way, at least some of the light source substrates (1200) among the plurality of light source substrates (1200) may be arranged so that the substrate body (1210) is further from the edge (15A, 15B) of the bottom chassis (15) in the horizontal direction (Y) than the plurality of substrate bars (1220) and is closer to the drive board (70) in the horizontal direction (Y).

[0258] In other words, at least some of the light source substrates (1200) among the plurality of light source substrates (1200) may be arranged such that the substrate body (1210) is further away from the short side of the bottom chassis (15) than the plurality of substrate bars (1220).

[0259] More specifically, among the plurality of light source substrates (1200), some of the light source substrates (1200A) that are arranged adjacent to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) may be arranged such that the substrate body (1210) is positioned further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). Among the plurality of light source substrates (1200), the light source substrate (1200A) that is arranged closest to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) is referred to as a first light source substrate (1200A). The first light source substrate (1200A) may be arranged closest to the edges of the display case in the second direction (Y).

[0260] Since the vertical border (15B) of the bottom chassis (15) is provided as a pair of vertical borders (15B) facing each other, the first light source substrate (1200A) may include at least one pair of first light source substrates (1200A). That is, the display device (1) may include a pair of first light source substrates (1200A) that are arranged most adjacent to the borders (15A, 15B) of the bottom chassis (15) in the second direction (Y) among the plurality of light source substrates (1200). The pair of first light source substrates (1200A) may be arranged to face each other in the second direction (Y).

[0261] Even if the first light source substrate (1200A) is provided as a pair, it does not necessarily mean that among the plurality of light source substrates (1200), there are only two light source substrates (1200A) that are closest to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y). For example, as illustrated in FIG. 8, the plurality of light source substrates (1200) may be arranged in a plurality of rows and a plurality of columns. The plurality of rows may each extend along the second direction (Y) and may be arranged along the first direction (Z). The plurality of columns may each extend along the first direction (Z) and may be arranged along the second direction (Y). The light source substrates (1200) included in one of the plurality of rows may be arranged along the second direction (Y), and the light source substrates (1200) included in one of the plurality of columns may be arranged along the first direction (Z). In particular, the light source substrates (1200) included in one column may have each of the plurality of substrate bars (1220) arranged along the first direction (Z) with respect to each other, and each of the substrate bodies (1210) may be arranged along the first direction (Z) with respect to each other. At this time, each row may include a pair of first light source substrates (1200A). A pair of columns that are closest to the vertical edge (15B) of the bottom chassis (15) in the second direction (Y) may include first light source substrates (1200A) corresponding to the number of rows, respectively. The first light source substrates (1200A) included in one column may have their respective substrate bars (1220) arranged along the first direction (Z) with respect to each other, and their respective substrate bodies (1210) may be arranged along the first direction (Z) with respect to each other. For example, in some embodiments illustrated in FIG. 8, the display device (1) may include a total of four first light source substrates (1200A).

[0262] Each of the pair of first light source substrates (1200A) may be arranged such that the substrate body (1210) is further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). In other words, each of the pair of first light source substrates (1200A) may be arranged such that the substrate body (1210) is closer to the driving board (70) than the plurality of substrate bars (1220). Each of the pair of first light source substrates (1200A) may have the plurality of substrate bars (1220) extend in the second direction (Y) from the substrate body (1210) toward the edge (15A, 15B) of the bottom chassis (15).

[0263] For example, among the pair of first light source substrates (1200A), the first light source substrate (1200A) disposed on the left side (-Y direction side) may have a substrate body (1210) disposed to the right side (+Y direction side) of the plurality of substrate bars (1220), and the plurality of substrate bars (1220) may extend from the substrate body (1210) toward the left. In addition, among the pair of first light source substrates (1200A), the first light source substrate (1200A) disposed on the right side (+Y direction side) may have a substrate body (1210) disposed to the left side (-Y direction side) of the plurality of substrate bars (1220), and the plurality of substrate bars (1220) may extend from the substrate body (1210) toward the right.

[0264] For example, when a pair of vertical borders (15B) of a bottom chassis (15) includes a first vertical border (a vertical border (15B) positioned on the left (-Y direction side) based on FIG. 8) and a second vertical border (a vertical border (15B) positioned on the right (+Y direction side) based on FIG. 8) that are positioned opposite each other, a plurality of light source substrates (1200) may include a pair of first light source substrates (1200A) positioned most adjacent to each of a pair of vertical borders (15B). Here, among a pair of first light source substrates (1200A), one first light source substrate (1200A) disposed closer to the first vertical border than to the second vertical border (the first light source substrate (1200A) disposed on the left side (-Y direction side) based on FIG. 8) may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the first vertical border (i.e., toward the left side (-Y direction side) based on FIG. 8). Also, symmetrically, among the pair of first light source substrates (1200A), the other first light source substrate (1200A) (the first light source substrate (1200A) disposed on the right side (+Y direction side) based on FIG. 8) that is disposed closer to the second vertical border than the first vertical border may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the second vertical border (i.e., toward the right side (+Y direction side) based on FIG. 8).

[0265] At this time, for example, the distance between the first vertical border and one first light source substrate (1200A) adjacent to the first vertical border may roughly correspond to the distance between the second vertical border and another first light source substrate (1200A) adjacent to the second vertical border.

[0266] By this structure, the first light source substrate (1200A) can be arranged so that the substrate body (1210) is close to the driving board (70), and the length of the wire (C) connecting the driving board (70) and the connector (1300) can be shortened. Accordingly, the length of the wire (C) can be shortened, so that the manufacturing cost of the product can be reduced, noise caused by the current flowing along the wire (C) can be reduced, and the wire (C) can be prevented from interfering with other components inside the display device (1).

[0267] In addition, if the connector (1300) provided on the first light source substrate (1200A) is positioned adjacent to the edge (15A, 15B) of the bottom chassis (15), there is a possibility that the wire (C) may interfere with the edge (15A, 15B) of the bottom chassis (15) at a position adjacent to the connector (1300), so that it may not be easy to connect the wire (C) to the connector (1300). In some embodiments, the connector (1300) may be positioned further away from the edge (15A, 15B) of the bottom chassis (15) due to the structure as described above, and the wire (C) may be prevented from interfering with the edge (15A, 15B) of the bottom chassis (15).

[0268] In addition, some of the other light source substrates (1200B) that are positioned further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the first light source substrate (1200A) among the plurality of light source substrates (1200) may be positioned such that the substrate body (1210) is positioned further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). Some of the other light source substrates (1200B) that are positioned further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the first light source substrate (1200A) among the plurality of light source substrates (1200) are referred to as second light source substrates (1200B). The second light source substrate (1200B) may be positioned further inward of the edge in the second direction (Y) of the bottom chassis (15) than the first light source substrate (1200A).

[0269] The second light source substrate (1200B) may be arranged such that the distance between the substrate body (1210) and the vertical edge (15B) is longer than the distance between the plurality of substrate bars (1220) and the vertical edge (15B). In other words, the second light source substrate (1200B) may be arranged such that the substrate body (1210) is further from the edge of the display case in the second direction (Y) than the plurality of substrate bars (1220).

[0270] The second light source substrate (1200B) may have a plurality of substrate bars (1220) each extending in a second direction (Y) from the substrate body (1210) toward the edges (15A, 15B) of the bottom chassis (15). In other words, the second light source substrate (1200B) may have a plurality of substrate bars (1220) each extending in a direction away from the substrate body (1210) and the driving board (70).

[0271] The second light source substrate (1200B) may include at least one pair of second light source substrates (1200B). That is, the display device (1) may include a pair of second light source substrates (1200B) that are arranged further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the first light source substrate (1200A) among the plurality of light source substrates (1200). The pair of second light source substrates (1200B) may be arranged to face each other in the second direction (Y).

[0272] A pair of second light source substrates (1200B) may be placed between a pair of first light source substrates (1200B). A pair of second light source substrates (1200B) may be placed parallel to a pair of first light source substrates (1200B) in a second direction (Y).

[0273] For example, as illustrated in FIG. 8, a plurality of light source substrates (1200) may be arranged in a plurality of rows and a plurality of columns, and each row may include a pair of second light source substrates (1200B). The second light source substrates (1200B) included in one column may have their respective substrate bars (1220) arranged along the first direction (Z) and their respective substrate bodies (1210) arranged along the first direction (Z). For example, in the embodiment illustrated in FIG. 8, the display device (1) may include a total of four second light source substrates (1200B).

[0274] Each of the pair of second light source substrates (1200B) may be arranged such that the substrate body (1210) is further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). In other words, each of the pair of second light source substrates (1200B) may have the plurality of substrate bars (1220) extend in the second direction (Y) from the substrate body (1210) toward the edge (15A, 15B) of the bottom chassis (15). Each of the pair of second light source substrates (1200B) may have the plurality of substrate bars (1220) extend away from the drive board (70) in the second direction (Y) from the substrate body (1210). Each of the pair of second light source substrates (1200B) may have a plurality of substrate bars (1220) extending from the substrate body (1210) toward the closer one of the pair of first light source substrates (1200A).

[0275] For example, among the pair of second light source substrates (1200B), the second light source substrate (1200B) disposed on the left side (-Y direction side) may have a substrate body (1210) disposed to the right side (+Y direction side) of the plurality of substrate bars (1220), and the plurality of substrate bars (1220) may extend from the substrate body (1210) toward the left. In addition, among the pair of second light source substrates (1200B), the first light source substrate (1200A) disposed on the right side (+Y direction side) of the pair of second light source substrates (1200B) may have a substrate body (1210) disposed to the left side (-Y direction side) of the plurality of substrate bars (1220), and the plurality of substrate bars (1220) may extend from the substrate body (1210) toward the right.

[0276] For example, when a pair of vertical frames (15B) of a bottom chassis (15) includes a first vertical frame (a vertical frame (15B) positioned on the left (-Y direction side) based on FIG. 8) and a second vertical frame (a vertical frame (15B) positioned on the right (+Y direction side) based on FIG. 8) that are positioned to face each other, a plurality of light source substrates (1200) may include a pair of second light source substrates (1200B) positioned between a pair of first light source substrates (1200A). Here, among the pair of second light source substrates (1200B), one second light source substrate (1200B) disposed closer to the first vertical border than the second vertical border (the second light source substrate (1200B) disposed on the left side (-Y direction side) based on FIG. 8) may be disposed such that the plurality of substrate bars (1220) extend from the substrate body (1210) toward the first vertical border (i.e., to the left side (-Y direction side) based on FIG. 8). In addition, symmetrically, among the pair of second light source substrates (1200B), the other second light source substrate (1200B) disposed closer to the second vertical border than the first vertical border (the second light source substrate (1200B) disposed on the right side (+Y direction side) based on FIG. 8) may be disposed such that the plurality of substrate bars (1220) extend from the substrate body (1210) toward the second vertical border (i.e., to the left side (-Y direction side) based on FIG. 8). It can be positioned to extend to the right (+Y direction side) as a reference.

[0277] At this time, for example, the distance between the first vertical border and one second light source substrate (1200B) adjacent to the first vertical border may roughly correspond to the distance between the second vertical border and another second light source substrate (1200B) adjacent to the second vertical border.

[0278] By this structure, the second light source substrate (1200B) can be arranged so that the substrate body (1210) is close to the driving board (70), and the length of the wire (C) connecting the driving board (70) and the connector (1300) can be shortened. Accordingly, the length of the wire (C) can be shortened, so that the manufacturing cost of the product can be reduced, noise caused by the current flowing along the wire (C) can be reduced, and the wire (C) can be prevented from interfering with other components inside the display device (1).

[0279] Each of the pair of second light source substrates (1200B) may be arranged so that the distance between the substrate body (1210) and the driving board (70) is the shortest among the plurality of light source substrates (1200). That is, the distance between the substrate body (1210) and the driving board (70) of the pair of second light source substrates (1200B) may be shorter than the distance between the substrate body (1210) and the driving board (70) of the pair of first light source substrates (1200A).

[0280] For example, a pair of second light source substrates (1200B) may be arranged adjacent to the center of the second direction (Y) of the bottom chassis (15). The pair of second light source substrates (1200B) may be arranged symmetrically with respect to a center line passing through the center of the bottom chassis (15) in the first direction (Z). At this time, the substrate bodies (1210) of each of the pair of second light source substrates (1200B) may be arranged adjacent to each other so as to face each other in the second direction (Y).

[0281] As described above, the plurality of first light source substrates (1200A) and the plurality of second light source substrates (1200B) may be configured as light source substrates (1200) having the same structure. Referring to FIG. 8, the light source substrate (1200) positioned on the right side (+Y direction side) of the display device (1) among the plurality of light source substrates (1200) and the light source substrate (1200) positioned on the left side (-Y direction side) of the display device (1) among the plurality of light source substrates (1200) may be arranged so that their vertical and horizontal directions are opposite to each other (i.e., they are positioned in a state where they are rotated 180 degrees relative to the X axis).

[0282] The bottom chassis (15) may include a protrusion (15d) protruding from the rear surface of the bottom chassis (15). The protrusion (15d) may include a portion that protrudes further rearward than other portions of the bottom chassis (15). For example, the protrusion (15d) may be formed to reinforce the rigidity of the bottom chassis (15). Specifically, the protrusion (15d) may be provided at a portion where the bottom chassis (15) is coupled with other components of the display device (1), thereby reinforcing the rigidity of the portion to be coupled. For example, a plurality of protrusions (15d) may be provided on the bottom chassis (15).

[0283] At this time, if the substrate body (1210) of each of the plurality of light source substrates (1200) is positioned in front of the protrusion (15d), there is a possibility that a part of the wire (C) connected to the connector (1300) may interfere with the protrusion (15d), or the connector (1300) may not penetrate the protrusion (15d), making it difficult to connect the wire (C) to the connector (1300).

[0284] Accordingly, each of the plurality of light source substrates (1200) may be arranged so that the connector (1300) penetrates a portion of the bottom chassis (15) spaced apart from the plurality of protrusions (15d). That is, each of the plurality of light source substrates (1200) may be arranged so that the substrate body (1210) is arranged in front (in the +X direction) of a portion other than the protrusion (15d) of the bottom chassis (15), and the connector (1300) penetrates a portion other than the protrusion (15d) of the bottom chassis (15) to be connected to the wire (C).

[0285] For example, when a portion of the protrusions (15d) provided on the bottom chassis (15) that are arranged adjacent to the edges (15A, 15B) of the bottom chassis (15) is referred to as a first protrusion (15da), the connectors (1300) provided on the substrate bodies (1210) of each of the plurality of first light source substrates (1200A) may be arranged to penetrate a portion of the bottom chassis (15) that is spaced apart from the first protrusions (15da). Such an arrangement structure may be implemented as described above, in which the first light source substrate (1200A) is arranged so that the substrate bodies (1210) are located further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0286] Alternatively, for example, when another portion of the protrusions (15d) provided on the bottom chassis (15) is positioned further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the first protrusions (15da), the connectors (1300) provided on the substrate bodies (1210) of each of the plurality of second light source substrates (1200B) may be positioned to penetrate a portion of the bottom chassis (15) spaced apart from the second protrusions (15db).

[0287] For example, when the display device (1) is a type of display device that is installed on a wall by a wall mount bracket, unlike that shown in FIG. 1, the second protrusion (15d) may include a portion on which the wall mount bracket is mounted.

[0288] The display device (1) of FIGS. 8 and 9 may be configured with a diagonal length of the screen (12) of 65 inches, but the length is not limited thereto.

[0289] Although FIG. 8 illustrates an example in which a display device (1) includes eight light source modules (1000), the number of light source modules (1000) included in a display device (1) according to the concept of the present disclosure is not limited to that shown in FIG. 8. For example, the number of light source modules (1000) included in a display device (1) may be greater or less than the number shown in FIG. 8.

[0290] Hereinafter, with reference to FIGS. 10 to 15, an embodiment in which the size of the screen (12) of the display device and the number of light source modules (1000) provided in the display device are different from the embodiments of FIGS. 8 and 9 will be described.

[0291] FIG. 10 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure. FIG. 11 is a rear view of a printed circuit board assembly and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0292] When describing the configuration of a display device (2) according to one embodiment of the present disclosure with reference to FIGS. 10 and 11, the same configuration as that of the display device (1) according to the embodiment of FIGS. 1 to 9 may be given the same drawing reference numerals and description thereof may be omitted.

[0293] Referring to FIGS. 10 and 11, a display device (2) according to one embodiment of the present disclosure may include a plurality of light source substrates (1200). Among the plurality of light source substrates (1200), some of the light source substrates (1200A) that are arranged adjacent to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) may be arranged such that the substrate body (1210) is positioned further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0294] In detail, the display device (2) may include a pair of first light source substrates (1200A) that are closest to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) among a plurality of light source substrates (1200). The pair of first light source substrates (1200A) may be arranged to face each other in the second direction (Y). At this time, each of the pair of first light source substrates (1200A) may be arranged such that the substrate body (1210) is further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). In other words, each of a pair of first light source substrates (1200A) may have a plurality of substrate bars (1220) extending in the second direction (Y) from the substrate body (1210) toward the edge (15A, 15B) of the bottom chassis (15).

[0295] As illustrated in FIG. 10, one row may include a pair of first light source substrates (1200A). Each pair of columns closest to the vertical edge (15B) of the bottom chassis (15) in the second direction (Y) may include a number of first light source substrates (1200A) corresponding to the number of rows. For example, in the embodiment illustrated in FIG. 10, the display device (2) may include a total of four first light source substrates (1200A).

[0296] The display device (2) may include a second light source substrate (1200B) that is positioned further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The second light source substrate (1200B) may be positioned further inward of the edge of the bottom chassis (15) in the second direction (Y) than the first light source substrate (1200A). A distance in the second direction (Y) between the second light source substrate (1200B) and the driving board (70) may be shorter than a distance in the second direction (Y) between the first light source substrate (1200A) and the driving board (70). The second light source substrate (1200B) may be positioned between the pair of first light source substrates (1200A). The second light source substrate (1200B) can be arranged parallel to a pair of first light source substrates (1200A) in the second direction (Y).

[0297] For example, the second light source substrate (1200B) may be placed at the center of the second direction (Y) of the bottom chassis (15). The second light source substrate (1200B) may be placed so that the distance to one of the pair of vertical edges (15B) of the bottom chassis (15) and the distance to the other vertical edge (15B) are approximately the same.

[0298] As illustrated in FIG. 10, the second light source substrate (1200B) included in one row of the plurality of light source substrates (1200) may be provided singly. For example, in the embodiment illustrated in FIG. 10, the display device (2) may include a total of two second light source substrates (1200B).

[0299] As illustrated in FIG. 10, the second light source substrate (1200B) may be arranged such that the substrate body (1210) is adjacent to the substrate body (1210) of one of the first light source substrates (1200A) of the pair of first light source substrates (1200A). In addition, the second light source substrate (1200B) may have a plurality of substrate bars (1220) extending from the substrate body (1210) in a second direction (Y) toward the substrate body (1210) of the other of the first light source substrates (1200A) of the pair of first light source substrates (1200A).

[0300] For example, the second light source substrate (1200B) may be arranged such that the substrate body (1210) is adjacent to a first vertical border (e.g., a left (-Y direction side) border based on FIG. 10) among a pair of vertical borders (15B) of the bottom chassis (15). The second light source substrate (1200B) may have a plurality of substrate bars (1220) extending from the substrate body (1210) toward the second vertical border (e.g., a right (+Y direction side) border based on FIG. 10).

[0301] The display device (2) may further include a first board (50) and a second board (60) configured as a printed circuit board assembly in addition to the driving board (70). The first board (50) and the second board (60) may each be electrically connected to the driving board (70). The first board (50) and the second board (60) may each have a plurality of connection ports provided to allow wires or electronic components to be connected.

[0302] For example, the first board (50), the driving board (70), and the second board (60) may be arranged approximately along the second direction (Y). However, as illustrated in FIGS. 10 and 11 , the first board (50), the driving board (70), and the second board (60) may not be arranged exactly parallel to each other along the second direction (Y).

[0303] The second light source substrate (1200B) may be arranged so that the substrate body (1210) is closer to the second board (60) than to the first board (50). In other words, the distance in the second direction (Y) between the substrate body (1210) of the second light source substrate (1200B) and the second board (60) may be shorter than the distance in the second direction (Y) between the substrate body (1210) of the second light source substrate (1200B) and the first board (50).

[0304] At this time, for example, the number of connection ports of the first board (50) may be greater than the number of connection ports of the second board (60). In this case, since the first board (50) has more connection ports than the second board (60), the number of wires or electronic components, etc. connected to the connection ports of the first board (50) may also be greater than the number of wires or electronic components, etc. connected to the connection ports of the second board (60). Accordingly, the second light source board (1200B) may be arranged so that the board body (1210) is closer to the second board (60) than to the first board (50) in the second direction (Y) in order to reduce interference between the wire (C) connected to the connector (1300) and the components connected to the connection ports of the other boards (50, 60).

[0305] For example, the first board (50) may be a main board, and the second board (60) may be a power supply board.

[0306] For example, the display device (2) of FIGS. 10 and 11 may have a screen (12) with a diagonal length of 55 inches, but the length is not limited thereto.

[0307] FIG. 12 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure. FIG. 13 is a rear view of a printed circuit board assembly and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0308] When describing the configuration of a display device (3) according to one embodiment of the present disclosure with reference to FIGS. 12 and 13, the same configuration as that of the display device (1) according to the embodiment of FIGS. 1 to 9 may be given the same drawing reference numerals and description thereof may be omitted.

[0309] Referring to FIGS. 12 and 13, a display device (3) according to one embodiment of the present disclosure may include a plurality of light source substrates (1200). Among the plurality of light source substrates (1200), some of the light source substrates (1200A) that are arranged adjacent to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) may be arranged such that the substrate body (1210) is positioned further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0310] In detail, the display device (3) may include a pair of first light source substrates (1200A) that are closest to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) among a plurality of light source substrates (1200). The pair of first light source substrates (1200A) may be arranged to face each other in the second direction (Y). At this time, each of the pair of first light source substrates (1200A) may be arranged such that the substrate body (1210) is further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). In other words, each of the pair of first light source substrates (1200A) may have a plurality of substrate bars (1220) extending in the second direction (Y) from the substrate body (1210) toward the edge (15A, 15B) of the bottom chassis (15). The pair of first light source substrates (1200A) may have a plurality of substrate bars (1220) extending in a direction away from the substrate body (1210) and the driving board (70).

[0311] As illustrated in FIG. 12, one row may include a pair of first light source substrates (1200A). Each pair of columns closest to the vertical edge (15B) of the bottom chassis (15) in the second direction (Y) may include a number of first light source substrates (1200A) corresponding to the number of rows. For example, in the embodiment illustrated in FIG. 12, the display device (3) may include a total of four first light source substrates (1200A).

[0312] Among the plurality of light source substrates (1200), some of the other light source substrates (1200B) that are positioned further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the first light source substrate (1200A) can be positioned so that the substrate body (1210) is positioned closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0313] In detail, the display device (3) may include a pair of second light source substrates (1200B) arranged between a pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be arranged further from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be positioned further inward of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be arranged to face each other in the second direction (Y).

[0314] As illustrated in FIG. 12, one row may include a pair of second light source substrates (1200B). For example, in the embodiment illustrated in FIG. 12, the display device (3) may include a total of four second light source substrates (1200B).

[0315] At this time, each of the pair of second light source substrates (1200B) may be arranged such that the substrate body (1210) is closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). In other words, each of the pair of second light source substrates (1200B) may have the plurality of substrate bars (1220) extend from the substrate body (1210) toward the farther one of the pair of first light source substrates (1200A). In other words, each of the pair of second light source substrates (1200B) may have the plurality of substrate bars (1220) extend from the substrate body (1210) toward the driving board (70).

[0316] For example, among a pair of second light source substrates (1200B), one second light source substrate (1200B) (the second light source substrate (1200B) disposed on the left (-Y direction side) based on FIG. 12) that is disposed closer to the first vertical border (the vertical border (15B) disposed on the right (+Y direction side) based on FIG. 12) than the second vertical border (the vertical border (15B) disposed on the right (+Y direction side) based on FIG. 12) may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the second vertical border (i.e., toward the right (+Y direction side) based on FIG. 12). Also, symmetrically, among the pair of second light source substrates (1200B), the other second light source substrate (1200B) (the second light source substrate (1200B) disposed on the right side (+Y direction side) based on FIG. 12) that is disposed closer to the second vertical border than the first vertical border may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the first vertical border (i.e., toward the left side (-Y direction side) based on FIG. 12).

[0317] At this time, for example, the distance between the first vertical border and one second light source substrate (1200B) adjacent to the first vertical border may roughly correspond to the distance between the second vertical border and another second light source substrate (1200B) adjacent to the second vertical border.

[0318] As illustrated in FIG. 13, the bottom chassis (15) may include a plurality of protrusions (15d) protruding rearward (in the -X direction) from the rear surface of the bottom chassis (15). The structure or characteristics of the protrusions (15d) of the bottom chassis (15) may correspond to the protrusions (15d) illustrated in FIG. 9. The bottom chassis (15) may include a first protrusion (15da) and a second protrusion (15db). In particular, the second protrusion (15db) of the bottom chassis (15) may be provided to be coupled with a wall mount bracket (WM).

[0319] Each of the plurality of light source substrates (1200) may be arranged so that the connector (1300) penetrates a portion of the bottom chassis (15) spaced apart from the plurality of protrusions (15d). That is, each of the plurality of light source substrates (1200) may be arranged so that the substrate body (1210) is arranged in front (in the +X direction) of a portion other than the protrusion (15d) of the bottom chassis (15), and the connector (1300) penetrates a portion other than the protrusion (15d) of the bottom chassis (15) and is connected to the wire (C).

[0320] For example, the connector (1300) provided on each of the substrate bodies (1210) of the plurality of first light source substrates (1200A) may be arranged to penetrate a portion of the bottom chassis (15) spaced apart from the first protrusion (15da). Such an arrangement structure may be implemented as described above, in which the first light source substrate (1200A) is arranged so that the substrate body (1210) is located further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0321] In addition, for example, the connector (1300) provided on each of the substrate bodies (1210) of the plurality of second light source substrates (1200B) may be arranged to penetrate a portion of the bottom chassis (15) spaced apart from the second protrusion (15db). Such an arrangement structure may be implemented by arranging the second light source substrate (1200B) so that the substrate body (1210) is positioned closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220), as illustrated in FIGS. 12 and 13. By such a structure, the connector (1300) of the second light source substrate (1200B) and the wire (C) connected thereto may not only not interfere with the second protrusion (15db), but may also not interfere with the wall mount bracket (WM).

[0322] The display device (3) may include a third light source substrate (1200C) that is positioned further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the pair of second light source substrates (1200B). The third light source substrate (1200C) may be positioned further inward of the edge of the bottom chassis (15) in the second direction (Y) than the second light source substrate (1200B). A distance in the second direction (Y) between the third light source substrate (1200C) and the driving board (70) may be shorter than a distance in the second direction (Y) between the second light source substrate (1200B) and the driving board (70). The third light source substrate (1200C) may be positioned between the pair of second light source substrates (1200B). The third light source substrate (1200C) can be arranged parallel to a pair of first light source substrates (1200A) and a pair of second light source substrates (1200B) in the second direction (Y).

[0323] For example, the third light source substrate (1200C) may be placed at the center of the second direction (Y) of the bottom chassis (15). The third light source substrate (1200C) may be placed so that the distance to one of the pair of vertical edges (15B) of the bottom chassis (15) and the distance to the other vertical edge (15B) are approximately the same.

[0324] As illustrated in FIG. 12, the third light source substrate (1200C) included in one row may be provided singly. For example, in the embodiment illustrated in FIG. 12, the display device (3) may include a total of two third light source substrates (1200C).

[0325] As illustrated in FIG. 12, the third light source substrate (1200C) may be arranged such that the substrate body (1210) is adjacent to the substrate body (1210) of one of the second light source substrates (1200B) of the pair of second light source substrates (1200B), and a plurality of substrate bars (1220) may extend in the second direction (Y) from the substrate body (1210) toward the substrate body (1210) of the other of the second light source substrates (1200B) of the pair of second light source substrates (1200B).

[0326] For example, the second light source substrate (1200B) may be arranged such that the substrate body (1210) is adjacent to the second vertical border (e.g., the right (+Y direction side) border based on FIG. 12) among a pair of vertical borders (15B) of the bottom chassis (15). The second light source substrate (1200B) may have a plurality of substrate bars (1220) extending from the substrate body (1210) toward the first vertical border (e.g., the left (-Y direction side) border based on FIG. 12).

[0327] For example, the display device (3) of FIGS. 12 and 13 may be configured such that the diagonal length of the screen (12) is 75 inches, but the length is not limited thereto.

[0328] FIG. 14 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure. FIG. 15 is a rear view of a printed circuit board assembly and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0329] When describing the configuration of a display device (4) according to one embodiment of the present disclosure with reference to FIGS. 14 and 15, the same configuration as that of the display device (1) according to the embodiment of FIGS. 1 to 9 may be given the same drawing reference numerals and description thereof may be omitted.

[0330] Referring to FIGS. 14 and 15, a display device (4) according to one embodiment of the present disclosure may include a plurality of light source substrates (1200). Among the plurality of light source substrates (1200), some of the light source substrates (1200A) that are arranged adjacent to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) may be arranged such that the substrate body (1210) is positioned further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0331] In detail, the display device (4) may include a pair of first light source substrates (1200A) that are closest to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) among a plurality of light source substrates (1200). The pair of first light source substrates (1200A) may be arranged to face each other in the second direction (Y). At this time, each of the pair of first light source substrates (1200A) may be arranged such that the substrate body (1210) is further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). In other words, each of the pair of first light source substrates (1200A) may have a plurality of substrate bars (1220) extending in the second direction (Y) from the substrate body (1210) toward the edge (15A, 15B) of the bottom chassis (15). The pair of first light source substrates (1200A) may have a plurality of substrate bars (1220) extending in a direction away from the substrate body (1210) and the driving board (70).

[0332] As illustrated in FIG. 14, one row may include a pair of first light source substrates (1200A). Each pair of columns closest to the vertical edge (15B) of the bottom chassis (15) in the second direction (Y) may include a number of first light source substrates (1200A) corresponding to the number of rows. For example, in the embodiment illustrated in FIG. 14, the display device (4) may include a total of four first light source substrates (1200A).

[0333] Among the plurality of light source substrates (1200), some of the other light source substrates (1200B) that are positioned further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the first light source substrate (1200A) can be positioned so that the substrate body (1210) is positioned closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0334] In detail, the display device (4) may include a pair of second light source substrates (1200B) arranged between a pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be arranged further from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be positioned further inward of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be arranged to face each other in the second direction (Y).

[0335] As illustrated in FIG. 14, one row may include a pair of second light source substrates (1200B). For example, in the embodiment illustrated in FIG. 14, the display device (4) may include a total of four second light source substrates (1200B).

[0336] At this time, each of the pair of second light source substrates (1200B) may be arranged such that the substrate body (1210) is closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). In other words, each of the pair of second light source substrates (1200B) may have the plurality of substrate bars (1220) extend from the substrate body (1210) toward the farther one of the pair of first light source substrates (1200A). In other words, each of the pair of second light source substrates (1200B) may have the plurality of substrate bars (1220) extend from the substrate body (1210) toward the driving board (70).

[0337] Each of the plurality of light source substrates (1200) may be arranged so that the connector (1300) penetrates a portion of the bottom chassis (15) spaced apart from the plurality of protrusions (15d) of the bottom chassis (15). That is, each of the plurality of light source substrates (1200) may be arranged so that the substrate body (1210) is arranged in front (in the +X direction) of a portion other than the protrusions (15d) of the bottom chassis (15), and the connector (1300) penetrates a portion other than the protrusions (15d) of the bottom chassis (15) to be connected to the wire (C).

[0338] For example, the connector (1300) provided on each of the substrate bodies (1210) of the plurality of first light source substrates (1200A) may be arranged to penetrate a portion of the bottom chassis (15) spaced apart from the first protrusion (15da). Such an arrangement structure may be implemented as described above, in which the first light source substrate (1200A) is arranged so that the substrate body (1210) is located further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0339] In addition, for example, the connector (1300) provided on each of the substrate bodies (1210) of the plurality of second light source substrates (1200B) may be arranged to penetrate a portion of the bottom chassis (15) spaced apart from the second protrusion (15db). Such an arrangement structure may be implemented by arranging the second light source substrate (1200B) so that the substrate body (1210) is positioned closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220), as illustrated in FIGS. 14 and 15. By such a structure, the connector (1300) of the second light source substrate (1200B) and the wire (C) connected thereto may not only not interfere with the second protrusion (15db), but may also not interfere with the wall mount bracket (WM).

[0340] The display device (3) may include a pair of third light source substrates (1200C) that are positioned further apart in the second direction (Y) from the edges (15A, 15B) of the bottom chassis (15) than the pair of second light source substrates (1200B). The pair of third light source substrates (1200C) may be positioned further inward of the edges of the bottom chassis (15) in the second direction (Y) than the pair of second light source substrates (1200B). A distance in the second direction (Y) between each of the pair of third light source substrates (1200C) and the driving board (70) may be shorter than a distance in the second direction (Y) between each of the pair of second light source substrates (1200B) and the driving board (70). The pair of third light source substrates (1200C) may be positioned between the pair of second light source substrates (1200B). A pair of third light source substrates (1200C) may be arranged parallel to a pair of first light source substrates (1200A) and a pair of second light source substrates (1200B) in the second direction (Y). A pair of third light source substrates (1200C) may be arranged opposite to each other in the second direction (Y).

[0341] As illustrated in FIG. 14, each row may include a pair of third light source substrates (1200C). The third light source substrates (1200C) included in one column may have their respective substrate bars (1220) arranged along the first direction (Z) with respect to each other, and their respective substrate bodies (1210) may be arranged along the first direction (Z) with respect to each other. For example, in the embodiment illustrated in FIG. 14, the display device (4) may include a total of four third light source substrates (1200C).

[0342] Each of the pair of third light source substrates (1200C) may be arranged such that the substrate body (1210) is further away from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220). In other words, each of the pair of third light source substrates (1200C) may have the plurality of substrate bars (1220) extend in the second direction (Y) from the substrate body (1210) toward the edge (15A, 15B) of the bottom chassis (15). Each of the pair of third light source substrates (1200C) may have the plurality of substrate bars (1220) extend away from the drive board (70) in the second direction (Y) from the substrate body (1210). Each of the pair of third light source substrates (1200C) may have a plurality of substrate bars (1220) extending from the substrate body (1210) toward a closer one of the pair of second light source substrates (1200B).

[0343] For example, among a pair of third light source substrates (1200C), the third light source substrates (1200C) disposed on the left side (-Y direction side) may have a substrate body (1210) disposed to the right side (+Y direction side) of a plurality of substrate bars (1220), and the plurality of substrate bars (1220) may extend from the substrate body (1210) toward the left. In addition, among a pair of third light source substrates (1200C), the third light source substrates (1200C) disposed on the right side (+Y direction side) of the third light source substrates (1200C) may have a substrate body (1210) disposed to the left side (-Y direction side) of a plurality of substrate bars (1220), and the plurality of substrate bars (1220) may extend from the substrate body (1210) toward the right.

[0344] For example, among a pair of third light source substrates (1200C), one third light source substrate (1200C) (the third light source substrate (1200C) disposed on the left (-Y direction side) based on FIG. 14) that is disposed closer to the first vertical border (the vertical border (15B) disposed on the left (-Y direction side) based on FIG. 14) than to the second vertical border (the vertical border (15B) disposed on the right (+Y direction side) based on FIG. 14) may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the first vertical border (i.e., toward the left (-Y direction side) based on FIG. 14). Also, symmetrically, among the pair of third light source substrates (1200C), the other third light source substrate (1200C) (the third light source substrate (1200C) disposed closer to the second vertical border than the first vertical border (the third light source substrate (1200C) disposed on the right side (+Y direction side) based on FIG. 14) may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the second vertical border (i.e., toward the right side (+Y direction side) based on FIG. 14).

[0345] At this time, for example, the distance between the first vertical border and one third light source substrate (1200C) adjacent to the first vertical border may roughly correspond to the distance between the second vertical border and another third light source substrate (1200C) adjacent to the second vertical border.

[0346] By this structure, the third light source substrates (1200C) can be arranged so that the substrate body (1210) is close to the driving board (70), and the length of the wire (C) connecting the driving board (70) and the connector (1300) can be shortened.

[0347] Each of the pair of third light source substrates (1200C) can be arranged so that the distance between the substrate body (1210) and the driving board (70) is the closest among the plurality of light source substrates (1200).

[0348] For example, a pair of third light source substrates (1200C) may be arranged adjacent to the center of the bottom chassis (15) in the second direction (Y). The pair of third light source substrates (1200C) may be arranged symmetrically with respect to a center line passing through the center of the bottom chassis (15) in the first direction (Z). At this time, the substrate bodies (1210) of each of the pair of third light source substrates (1200C) may be arranged adjacent to each other so as to face each other in the second direction (Y).

[0349] For example, a connector (1300) provided on each substrate body (1210) of a plurality of third light source substrates (1200C) may be arranged to penetrate a portion of the bottom chassis (15) spaced apart from the second protrusion (15db).

[0350] For example, the display device (4) of FIGS. 14 and 15 may be configured with a diagonal length of the screen (12) of 85 inches, but the length is not limited thereto.

[0351] FIG. 16 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0352] When describing the configuration of a display device (5) according to one embodiment of the present disclosure with reference to FIG. 16, the same configuration as that of the display device (1) according to the embodiment of FIGS. 1 to 9 may be given the same drawing reference numerals and description thereof may be omitted.

[0353] Referring to FIG. 16, a display device (5) according to one embodiment of the present disclosure may include a plurality of light source substrates (1200). The display device (5) may include a driving board (70) that is electrically connected to each of the plurality of light source substrates (1200) to control driving of a light source (1100) mounted on each light source substrate (1200). The driving board (70) may be electrically connected to the light source substrate (1200) by a wire (C) that is connected to a connector (1300) provided on a substrate body (1210) of the light source substrate (1200).

[0354] Here, unlike the previous embodiments, the driving board (70) may be arranged so as to be biased closer to one of the pair of vertical edges (15B) of the bottom chassis (15). That is, the driving board (70) may be arranged so as to be biased toward one side in the second direction (Y) from the center of the bottom chassis (15). However, if the driving board (70) is arranged so as to overlap or be close to one of the pair of vertical edges (15B) of the bottom chassis (15), there is a possibility that the wires (C) or electronic components connected to the driving board (70) may interfere with the inner edge of the display case, which is not preferable. Therefore, as illustrated in FIG. 16, the driving board (70) may be arranged at a position spaced apart from one of the pair of vertical edges (15B) of the bottom chassis (15) that is closer to the other vertical edge (15B).

[0355] At this time, among the plurality of light source substrates (1200), some of the light source substrates (1200A) that are arranged adjacent to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) may be arranged so that the substrate body (1210) is positioned further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0356] In detail, the display device (2) may include a pair of first light source substrates (1200A) that are closest to the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) among a plurality of light source substrates (1200). Each of the pair of first light source substrates (1200A) may be arranged such that the substrate body (1210) is further away from the edges (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0357] For example, among a pair of first light source substrates (1200A), one first light source substrate (1200A) (the first light source substrate (1200A) disposed on the left (-Y direction side) based on FIG. 16) that is positioned closer to the first vertical border (the left (-Y direction side) border based on FIG. 16) than to the second vertical border (the right (+Y direction side) border based on FIG. 16) may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the first vertical border (i.e., toward the left (-Y direction side) based on FIG. 16). Also, symmetrically, among the pair of first light source substrates (1200A), the other first light source substrate (1200A) (the first light source substrate (1200A) disposed on the right side (+Y direction side) based on FIG. 16) that is disposed closer to the second vertical border than the first vertical border may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the second vertical border (i.e., toward the right side (+Y direction side) based on FIG. 16).

[0358] At this time, for example, the distance between the first vertical border and one first light source substrate (1200A) adjacent to the first vertical border may roughly correspond to the distance between the second vertical border and another first light source substrate (1200A) adjacent to the second vertical border.

[0359] As illustrated in FIG. 16, one row may include a pair of first light source substrates (1200A). Each pair of columns closest to the vertical edge (15B) of the bottom chassis (15) in the second direction (Y) may include a number of first light source substrates (1200A) corresponding to the number of rows. For example, in the embodiment illustrated in FIG. 16, the display device (5) may include a total of four first light source substrates (1200A).

[0360] By this structure, the length of the wire (C) extending from the driving board (70) to the connector (1300) provided on the substrate body (1210) of the first light source substrate (1200A) can be shortened, and the manufacturing cost of the product can be reduced. In addition, noise caused by the current flowing along the wire (C) connecting the driving board (70) and the first light source substrate (1200A) can be reduced.

[0361] The display device (5) may include a pair of second light source substrates (1200B) arranged between a pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be arranged further from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be positioned further inward of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The pair of second light source substrates (1200B) may be arranged to face each other in the second direction (Y).

[0362] As illustrated in FIG. 16, one row may include a pair of second light source substrates (1200B). For example, in the embodiment illustrated in FIG. 16, the display device (5) may include a total of four second light source substrates (1200B).

[0363] At this time, among the plurality of second light source substrates (1200B), one or more second light source substrates (1200B) that are closer to the driving board (70) in the second direction (Y) may be arranged so that the substrate body (1210) is closer to the driving board (70) in the second direction (Y) than the plurality of substrate bars (1220). Among the plurality of second light source substrates (1200B), one or more second light source substrates (1200B) that are closer to the driving board (70) in the second direction (Y) may be arranged so that the substrate body (1210) is closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0364] Due to this structure, among the plurality of second light source substrates (1200B), one or more second light source substrates (1200B) that are closer to the driving board (70) in the second direction (Y) can have a shorter length of the wire (C) connecting them since the distance between the connector (1300) and the driving board (70) is reduced.

[0365] Meanwhile, among the plurality of second light source substrates (1200B), the second light source substrate (1200B) located on the left side (-Y direction side) and the second light source substrate (1200B) located on the right side (+Y direction side) with respect to the center of the bottom chassis (15) can be arranged symmetrically with respect to the center of the bottom chassis (15).

[0366] Accordingly, among the plurality of second light source substrates (1200B), one or more second light source substrates (1200B) that are further from the driving board (70) in the second direction (Y) may be arranged such that the substrate body (1210) is further from the driving board (70) in the second direction (Y) than the plurality of substrate bars (1220). Among the plurality of second light source substrates (1200B), one or more second light source substrates (1200B) that are further from the driving board (70) in the second direction (Y) may be arranged such that the substrate body (1210) is closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0367] For example, among a pair of second light source substrates (1200B), one second light source substrate (1200B) (the second light source substrate (1200B) disposed on the left (-Y direction side) based on FIG. 16) that is positioned closer to the first vertical border (the left (-Y direction side) border based on FIG. 16) than to the second vertical border (the right (+Y direction side) border based on FIG. 16) may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the second vertical border (i.e., toward the right (+Y direction side) based on FIG. 16). Also, symmetrically, among the pair of second light source substrates (1200B), the other second light source substrate (1200B) (the second light source substrate (1200B) disposed on the right side (+Y direction side) based on FIG. 16) that is disposed closer to the second vertical border than the first vertical border may be disposed such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the first vertical border (i.e., toward the left side (-Y direction side) based on FIG. 16).

[0368] At this time, for example, the distance between the first vertical border and one second light source substrate (1200B) adjacent to the first vertical border may roughly correspond to the distance between the second vertical border and another second light source substrate (1200B) adjacent to the second vertical border.

[0369] For example, the display device (5) of FIG. 16 may be configured with a diagonal length of the screen (12) of 65 inches, but the length is not limited thereto.

[0370] FIG. 17 is a front view of a light source substrate and a bottom chassis of a display device according to an embodiment of the present disclosure.

[0371] When describing the configuration of a display device (5-1) according to one embodiment of the present disclosure with reference to FIG. 17, the same configuration as that of the display devices (1, 5) according to the embodiments of FIGS. 1 to 9 and FIG. 16 may be given the same drawing reference numerals and description thereof may be omitted.

[0372] Referring to FIG. 17, a display device (5-1) according to an embodiment of the present disclosure may include a plurality of light source substrates (1200) and a driving board (70). The position at which the driving board (70) is arranged in the embodiment of FIG. 17 is almost the same as the position at which the driving board (70) is arranged in the embodiment of FIG. 16, and thus a detailed description thereof will be omitted.

[0373] In addition, the arrangement of the first light source substrate (1200A) that is arranged closest to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) among the plurality of light source substrates (1200) included in the display device (5-1) is the same as the embodiment of FIG. 16, and thus a detailed description thereof is omitted.

[0374] The display device (5-1) may include a pair of second light source substrates (1200B, 1200B-1) disposed between a pair of first light source substrates (1200A). The pair of second light source substrates (1200B, 1200B-1) may be disposed further from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The pair of second light source substrates (1200B, 1200B-1) may be positioned further inward of the bottom chassis (15) in the second direction (Y) than the pair of first light source substrates (1200A). The pair of second light source substrates (1200B, 1200B-1) may be disposed side by side with each other in the second direction (Y).

[0375] As illustrated in FIG. 17, one row may include a pair of second light source substrates (1200B, 1200B-1). For example, in the embodiment illustrated in FIG. 17, the display device (5-1) may include a total of four second light source substrates (1200B, 1200B-1).

[0376] At this time, among the plurality of second light source substrates (1200B, 1200B-1), one or more second light source substrates (1200B) that are closer to the driving board (70) in the second direction (Y) may be arranged so that the substrate body (1210) is closer to the driving board (70) in the second direction (Y) than the plurality of substrate bars (1220). Among the plurality of second light source substrates (1200B), one or more second light source substrates (1200B) that are closer to the driving board (70) in the second direction (Y) may be arranged so that the substrate body (1210) is closer to the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0377] In addition, among the plurality of second light source substrates (1200B, 1200B-1), at least one second light source substrate (1200B-1) that is further from the driving board (70) in the second direction (Y) may be arranged such that the substrate body (1210) is closer to the driving board (70) in the second direction (Y) than the plurality of substrate bars (1220). Among the plurality of second light source substrates (1200B, 1200B-1), at least one second light source substrate (1200B-1) that is further from the driving board (70) in the second direction (Y) may be arranged such that the substrate body (1210) is further from the edge (15A, 15B) of the bottom chassis (15) in the second direction (Y) than the plurality of substrate bars (1220).

[0378] Assuming that the driving board (70) is positioned closer to the first vertical border (left (-Y direction side) border based on FIG. 17) among the pair of vertical borders (15B), one of the second light source substrates (1200B, 1200B-1) (the second light source substrate (1200B) positioned on the left (-Y direction side) based on FIG. 17) that is positioned closer to the first vertical border than the second vertical border (right (+Y direction side) border based on FIG. 17) may be positioned such that a plurality of substrate bars (1220) extend from the substrate body (1210) toward the first vertical border (i.e., toward the right (+Y direction side) based on FIG. 17). Also, symmetrically, among the pair of second light source substrates (1200B, 1200B-1), the other second light source substrate (1200B-1) (the second light source substrate (1200B-1) disposed closer to the second vertical border than the first vertical border (the second light source substrate (1200B-1) disposed on the right side (+Y direction side) based on FIG. 17) may be disposed such that the plurality of substrate bars (1220) extend from the substrate body (1210) toward the first vertical border (i.e., toward the right side (+Y direction side) based on FIG. 17). That is, each of the pair of second light source substrates (1200B, 1200B-1) may have the plurality of substrate bars (1220) extend from the substrate body (1210) in a direction away from the driving board (70).

[0379] Due to this structure, the extension length of the wire (C) connecting the second light source substrate (1200B-1) and the driving board (70) that is further away from the driving board (70) in the second direction (Y) among the plurality of second light source substrates (1200B, 1200B-1) can be shortened, and the manufacturing cost of the product can be reduced. In addition, noise caused by the current flowing along the wire (C) can be reduced more efficiently.

[0380] At this time, for example, the distance between the first vertical border and one second light source substrate (1200B) adjacent to the first vertical border may roughly correspond to the distance between the second vertical border and another second light source substrate (1200B-1) adjacent to the second vertical border.

[0381] For example, the display device (5-1) of FIG. 17 may be configured with a diagonal length of the screen (12) of 65 inches, but the length is not limited thereto.

[0382] Meanwhile, in the embodiments described with reference to FIGS. 1 to 17, terms such as 'first light source substrate', 'second light source substrate', and 'third light source substrate' are merely used to simply describe a plurality of light source substrates by distinguishing them according to their positions, and the configuration of the present disclosure is not limited by the ordinal numbers assigned to the above terms.

[0383] Meanwhile, in the embodiments of FIGS. 1 to 17, the light source substrates are arranged such that each substrate bar extends in the horizontal direction (Y) from the substrate body. Alternatively, the light source substrates may be arranged such that each substrate bar extends in the vertical direction (Z) from the substrate body. In this case, for example, at least some of the plurality of light source substrates may have their substrate bodies arranged farther from the horizontal edges of the bottom chassis than the plurality of substrate bars. That is, the substrate bars of the light source substrates may extend from the substrate body toward one of the pair of horizontal edges of the bottom chassis that is closer to each other. This allows the distance between the substrate bodies of the light source substrates and the driving board to be shortened, and the length of the wire connecting the connector and the driving board to be shortened.

[0384] A display device according to an embodiment of the present disclosure includes a display panel (20), a plurality of light source substrates (1200), a plurality of light sources (1100) mounted on the plurality of light source substrates (1200) and configured to irradiate light toward the display panel, a driving board (70) configured to control driving of each of the plurality of light sources, a plurality of connectors (1300) electrically connected to the driving board by wires (C) and disposed on the plurality of light source substrates, and a bottom chassis (15) including a vertical border (15B) extending in a vertical direction (Z), and may include a bottom chassis (15) configured to support the plurality of light source substrates. Each of the plurality of light source substrates includes a substrate body (1210) on which one or more of the plurality of connectors are disposed, and each extends from the substrate body along a horizontal direction (Y), and the substrate body of some of the light source substrates (1220A) of the plurality of light source substrates may be positioned farther horizontally from the vertical border (15B) of the bottom chassis (15) than the plurality of substrate bodies.

[0385] The vertical borders of the bottom chassis may be provided in a pair. Among the plurality of light source substrates, each of the plurality of substrate bodies of one light source substrate adjacent to one of the pair of vertical borders may extend from the substrate body toward the one vertical border. Among the plurality of light source substrates, each of the plurality of substrate bodies of the other light source substrate adjacent to the other one of the pair of vertical borders may extend from the substrate body toward the other vertical border.

[0386] The horizontal distance between the one vertical border and the one light source substrate among the plurality of light source substrates may correspond to the horizontal distance between the other vertical border and the other light source substrate among the plurality of light source substrates. It should be noted that there is an unclear term "亥缺" in the original text which is retained as it is in the translation. If this is a misspelling or an incorrect term, it may need to be corrected in the original source for a more accurate translation.

[0387] The vertical edges of the bottom chassis may be provided in a pair. Each of the plurality of substrate bars of one light source substrate, which is most adjacent to one vertical edge of the pair of vertical edges among the plurality of light source substrates, may extend from the substrate body in a direction away from the driving board. Each of the plurality of substrate bars of the other light source substrate, which is most adjacent to the other vertical edge of the pair of vertical edges among the plurality of light source substrates, may extend from the substrate body in a direction away from the driving board.

[0388] The vertical edges of the bottom chassis may be provided as a pair, and the pair of vertical edges may include a first vertical edge and a second vertical edge that are opposite to each other. The plurality of light source substrates may include a pair of first light source substrates arranged most adjacent to each of the pair of vertical edges, and a second light source substrate arranged between the pair of first light source substrates. Among the pair of first light source substrates, the plurality of substrate bars of one first light source substrate arranged closer to the first vertical edge than to the second vertical edge may extend from the substrate body toward the first vertical edge. Among the pair of first light source substrates, the plurality of substrate bars of the other first light source substrate arranged closer to the second vertical edge than to the first vertical edge may extend from the substrate body toward the second vertical edge.

[0389] The substrate body of the second light source substrate may be disposed adjacent to the substrate body of one of the first light source substrates of the pair of first light source substrates. The plurality of substrate bars of the second light source substrate may extend horizontally from the substrate body of the second light source substrate toward the substrate body of the other of the first light source substrates of the pair of first light source substrates.

[0390] The vertical edges of the bottom chassis may be provided as a pair, and the pair of vertical edges may include a first vertical edge and a second vertical edge that are opposite to each other. The plurality of light source substrates may include a pair of first light source substrates arranged most adjacent to each of the pair of vertical edges, and a pair of second light source substrates arranged between the pair of first light source substrates. Among the pair of second light source substrates, the plurality of substrate bars of one second light source substrate arranged closer to the first vertical edge than the second vertical edge may extend from the substrate body in a direction toward the first vertical edge. Among the pair of second light source substrates, the plurality of substrate bars of the other second light source substrate arranged closer to the second vertical edge than the first vertical edge may extend from the substrate body in a direction toward the second vertical edge.

[0391] The horizontal distance between the first vertical frame and the one second light source substrate may correspond to the horizontal distance between the second vertical frame and the other second light source substrate.

[0392] The distance between the substrate body of each of the pair of second light source substrates and the driving board may be shorter than the distance between the substrate body of each of the pair of first light source substrates and the driving board.

[0393] The vertical edges of the bottom chassis may be provided as a pair, and the pair of vertical edges may include a first vertical edge and a second vertical edge that are opposite to each other. The plurality of light source substrates may include a pair of first light source substrates arranged most adjacent to each of the pair of vertical edges, and a pair of second light source substrates arranged between the pair of first light source substrates. The plurality of substrate bars of one of the second light source substrates, which is arranged closer to the first vertical edge than the second vertical edge, may extend from the substrate body in a direction away from the first vertical edge. The plurality of substrate bars of the other of the second light source substrates, which is arranged closer to the second vertical edge than the first vertical edge, may extend from the substrate body in a direction away from the second vertical edge.

[0394] The above plurality of light source substrates may further include a third light source substrate disposed between the pair of second light source substrates.

[0395] The third light source substrate may include a pair of third light source substrates that are arranged to be horizontally opposed to each other. The plurality of substrate bars of one second light source substrate of the pair of third light source substrates, which is arranged closer to the first vertical border than the second vertical border, may be arranged to extend from the substrate body in a direction toward the first vertical border. The plurality of substrate bars of the other second light source substrate of the pair of third light source substrates, which is arranged closer to the second vertical border than the first vertical border, may be arranged to extend from the substrate body in a direction toward the second vertical border.

[0396] The above driving board and the wires may be arranged on the rear surface of the bottom chassis. The bottom chassis may include a plurality of protrusions (15d) protruding from the rear surface of the bottom chassis. Each connector provided on the substrate body of each of the pair of second light source substrates among the plurality of connectors may penetrate a portion of the bottom chassis spaced apart from the plurality of protrusions.

[0397] The plurality of light source substrates may be arranged in a plurality of rows, each extending along the vertical direction of the bottom chassis and arranged along the horizontal direction of the bottom chassis. The light source substrates included in one of the plurality of rows may include the plurality of substrate bars arranged along the vertical direction of the bottom chassis, and the substrate bodies arranged along the vertical direction of the bottom chassis.

[0398] The above driving board can be placed in the central portion of the bottom chassis.

[0399] A display device according to some embodiments of the present disclosure may include a display panel (20), a plurality of light source substrates (1200), a plurality of light sources (1100) mounted on the plurality of light source substrates and arranged to irradiate light toward the display panel, a driving board (70) arranged to control driving of each of the plurality of light sources, a plurality of connectors (1300) electrically connected to the driving board by wires (C) and arranged on each of the plurality of substrates, and a vertical edge (15B) extending in a vertical direction (Z), and a bottom chassis (15) configured to support the plurality of light source substrates and the driving board. Each of the plurality of light source substrates may include a substrate body (1210) on which at least one of the plurality of connectors is provided, and a plurality of substrate bars (1220) on which the plurality of light sources are mounted, each of which extends from the substrate body in a horizontal direction (Y). Among the plurality of light source substrates, the plurality of substrate bars (1220) of some of the light source substrates (1200A) arranged adjacent to the vertical edge (15B) of the bottom chassis (15) may extend from the substrate body (1210) in a direction away from the driving board (70).

[0400] The plurality of light source substrates may include a plurality of first light source substrates arranged closest to the vertical edge of the bottom chassis, and a second light source substrate arranged between the plurality of first light source substrates and horizontally parallel to the plurality of first light source substrates. The substrate body of the second light source substrate may be arranged horizontally adjacent to the substrate body of one first light source substrate among the plurality of first light source substrates. The plurality of substrate bars of the second light source substrate may extend horizontally from the substrate body of the second light source substrate toward the substrate body of another first light source substrate among the plurality of first light source substrates.

[0401] The plurality of light source substrates may include a plurality of first light source substrates arranged closest to the vertical edge of the bottom chassis, and a plurality of second light source substrates arranged between the plurality of first light source substrates and horizontally parallel to the plurality of first light source substrates. Each of the plurality of first light source substrates may have the plurality of substrate bars extend from the substrate body in a direction away from the driving board. Each of the plurality of second light source substrates may have the plurality of substrate bars extend from the substrate body in a direction away from the driving board.

[0402] The plurality of light source substrates may include a plurality of first light source substrates arranged closest to the vertical edge of the bottom chassis, and a plurality of second light source substrates arranged between the plurality of first light source substrates and horizontally parallel to the plurality of first light source substrates. Each of the plurality of first light source substrates may have the plurality of substrate bars extend from the substrate body in a direction away from the driving board. Each of the plurality of second light source substrates may have the plurality of substrate bars extend from the substrate body in a direction approaching the driving board.

[0403] A display device according to some embodiments of the present disclosure may include a display panel (20), a display case configured to support the display panel, a plurality of light source substrates (1200) accommodated in the display case, a plurality of light sources (1100) mounted on the plurality of light source substrates and configured to irradiate light toward the display panel, and a driving board (70) accommodated in the display case and arranged to control driving of each of the plurality of light sources. Each of the plurality of light source substrates may include a substrate body (1210) electrically connected to the driving board by a wire (C) and extending in a first direction, and a plurality of substrate bars (1220) extending from the substrate body in a second direction different from the first direction and on which the plurality of light sources are mounted. Among the plurality of light source substrates, the substrate body (1210) of some of the light source substrates (1200A) that are arranged closest to the edge of the display case in the second direction may be positioned further away from the edge of the display case in the second direction (Y) than the plurality of substrate bars (1220).

[0404] According to the idea of ​​the present disclosure, among the plurality of light source substrates of a display device, some of the light source substrates arranged adjacent to the edge of the bottom chassis have the substrate body arranged farther from the edge of the bottom chassis than the substrate bar, so that the length of the wire can be shortened and the manufacturing cost of the product can be reduced.

[0405] According to the idea of ​​the present disclosure, among a plurality of light source substrates of a display device, some of the light source substrates arranged adjacent to the edge of the bottom chassis have the substrate body arranged farther from the edge of the bottom chassis than the substrate bar, so that the length of the wire can be shortened and noise caused by the wire can be reduced.

[0406] According to the idea of ​​the present disclosure, among the plurality of light source substrates of the display device, some of the light source substrates are arranged such that the substrate body is closer to the edge of the bottom chassis than the substrate bar, thereby preventing a portion where a wire is connected to a connector from interfering with a protrusion of the bottom chassis.

[0407] According to the idea of ​​the present disclosure, each of a plurality of light source substrates included in a display device can be configured so that the spacing between the light sources can be constant regardless of the direction in which the substrate body is arranged to face, thereby improving the manufacturing efficiency of the product.

[0408] While the present disclosure has been described and illustrated with reference to one or more embodiments, it will be understood that the one or more embodiments are intended to be illustrative, not limiting. Those skilled in the art will further appreciate that various changes in form and detail may be made without departing from the true spirit and scope of the present disclosure, including the appended claims and their equivalents. Furthermore, it will be appreciated that any of the embodiments described herein may be used in conjunction with any other embodiments described herein.

Claims

1. Display panel; Multiple light source substrates; A plurality of light sources mounted on the plurality of light source substrates and configured to irradiate light toward the display panel; A driving board configured to control driving of each of the plurality of light sources; A plurality of connectors electrically connected to the driving board by wires and arranged on the plurality of light source substrates; and A bottom chassis including a vertical frame and configured to support the plurality of light source substrates; Each of the above multiple light source substrates, A substrate body on which one or more of the above plurality of connectors are arranged; and Each of the plurality of substrate bars extending horizontally from the substrate body and having the plurality of light sources mounted thereon; A display device wherein the substrate bodies of some of the light source substrates among the plurality of light source substrates are positioned further in the horizontal direction from the vertical edge of the bottom chassis than the plurality of substrate bars.

2. In paragraph 1, The above vertical frames of the above bottom chassis are provided in pairs, Among the plurality of light source substrates, each of the plurality of substrate bars of one light source substrate adjacent to one of the pair of vertical edges extends from the substrate body toward the one vertical edge, A display device in which each of the plurality of substrate bars of one of the plurality of light source substrates, among the plurality of light source substrates, extends from the substrate body toward the other vertical border and adjacent to the other of the pair of vertical borders.

3. In paragraph 2, The horizontal distance between the one vertical frame and the one light source substrate among the plurality of light source substrates is, A display device corresponding to the horizontal distance between the other vertical frame and the other light source substrate among the plurality of light source substrates.

4. In paragraph 1, The above vertical frames of the above bottom chassis are provided in pairs, Among the plurality of light source substrates, each of the plurality of substrate bars of one light source substrate most adjacent to one of the pair of vertical edges extends from the substrate body in a direction away from the driving board, A display device in which each of the plurality of substrate bars of one of the plurality of light source substrates, among the plurality of light source substrates, extends in a direction away from the driving board from the substrate body and is closest to another vertical edge of the pair of vertical edges.

5. In paragraph 1, The vertical frames of the above bottom chassis are provided in a pair, and the pair of vertical frames includes a first vertical frame and a second vertical frame which are opposed to each other, The above multiple light source substrates are, A pair of first light source substrates arranged most adjacent to each of the above pair of vertical frames, Including a second light source substrate arranged between the pair of first light source substrates, Among the pair of first light source substrates, the plurality of substrate bars of one first light source substrate, which is arranged closer to the first vertical border than to the second vertical border, extend from the substrate body toward the first vertical border, A display device wherein the plurality of substrate bars of one of the first light source substrates, which is positioned closer to the second vertical border than to the first vertical border, extend from the substrate body toward the second vertical border.

6. In paragraph 5, The substrate body of the second light source substrate is arranged adjacent to the substrate body of one of the first light source substrates among the pair of first light source substrates, A display device in which the plurality of substrate bars of the second light source substrate extend horizontally from the substrate body of the second light source substrate toward the substrate body of the other first light source substrate of the pair of first light source substrates.

7. In paragraph 1, The vertical frames of the above bottom chassis are provided in a pair, and the pair of vertical frames includes a first vertical frame and a second vertical frame which are opposed to each other, The above multiple light source substrates are, A pair of first light source substrates arranged most adjacent to each of the above pair of vertical frames, A pair of second light source substrates are included, which are arranged between the pair of first light source substrates. Among the pair of second light source substrates, the plurality of substrate bars of one second light source substrate, which is arranged closer to the first vertical border than to the second vertical border, extend from the substrate body in a direction toward the first vertical border, A display device wherein the plurality of substrate bars of the other second light source substrate, among the pair of second light source substrates, are arranged closer to the second vertical border than to the first vertical border, extend from the substrate body in a direction toward the second vertical border.

8. In paragraph 7, The horizontal distance between the first vertical frame and the one second light source substrate is, A display device corresponding to the horizontal distance between the second vertical frame and the other second light source substrate.

9. In paragraph 7, A display device wherein the distance between the substrate body and the driving board of each of the pair of second light source substrates is shorter than the distance between the substrate body and the driving board of each of the pair of first light source substrates.

10. In paragraph 1, The vertical frames of the above bottom chassis are provided in a pair, and the pair of vertical frames includes a first vertical frame and a second vertical frame which are opposed to each other, The above multiple light source substrates are, A pair of first light source substrates arranged most adjacent to each of the above pair of vertical frames, A pair of second light source substrates are included, which are arranged between the pair of first light source substrates. The plurality of substrate bars of one of the second light source substrates, which is positioned closer to the first vertical border than to the second vertical border among the pair of second light source substrates, extend from the substrate body in a direction away from the first vertical border, A display device in which the plurality of substrate bars of the other second light source substrate, which is positioned closer to the second vertical border than to the first vertical border among the pair of second light source substrates, extend from the substrate body in a direction away from the second vertical border.

11. In paragraph 10, The above multiple light source substrates are, A display device further comprising a third light source substrate disposed between the pair of second light source substrates.

12. In paragraph 11, The third light source substrate includes a pair of third light source substrates arranged to face each other in a horizontal direction, Among the pair of third light source substrates, the plurality of substrate bars of one second light source substrate, which is arranged closer to the first vertical border than to the second vertical border, are arranged to extend from the substrate body in a direction toward the first vertical border, A display device wherein the plurality of substrate bars of the second light source substrate, of the third light source substrate of the pair, are arranged closer to the second vertical border than to the first vertical border, and are arranged to extend from the substrate body in a direction toward the second vertical border.

13. In paragraph 10, The above driving board and the above wires are arranged on the back surface of the bottom chassis, The above bottom chassis includes a plurality of protrusions protruding from the rear surface of the bottom chassis, A display device in which each connector provided on each of the substrate bodies of the pair of second light source substrates among the plurality of connectors penetrates a portion of the bottom chassis spaced apart from the plurality of protrusions.

14. In paragraph 1, The above plurality of light source substrates are arranged in a plurality of rows each extending along the vertical direction of the bottom chassis and arranged along the horizontal direction of the bottom chassis, The light source substrates included in one of the above multiple columns are: a plurality of substrate bars arranged along the vertical direction of the bottom chassis; and A display device comprising: the substrate body arranged along the vertical direction of the bottom chassis; 15. In paragraph 1, The above driving board is a display device placed in the central part of the bottom chassis.

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