Display device

Abstract

A display device is disclosed. The display device according to the present disclosure may comprise: a display panel; a frame which is located at the rear of the display panel, and to which the display panel is coupled; a communication module that is adjacent to one side of the frame and is coupled to the frame; a control unit for controlling the communication module; and a control box for wirelessly transmitting and receiving signals to and from the communication module, wherein the communication module can include a first antenna module and a second antenna module spaced apart from the first antenna module, and the control unit can turn on the power of the first antenna module and / or the second antenna module.

Description

display device

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

[0002] As the information society develops, the demand for display devices is also increasing in various forms, and in response to this, various display devices such as LCD (Liquid Crystal Display Device), OLED (Organic Light Emitting Diodes), and Micro LED are being researched and used in recent years.

[0003] Among these, LCD panels have a TFT substrate and a color substrate that face each other with a liquid crystal layer between them, and can display images using light provided by a backlight unit. Furthermore, OLED panels can display images by depositing an organic layer capable of self-luminescence on a substrate on which a transparent electrode is formed. In particular, display devices equipped with OLED panels have the advantage of being ultra-thin because they do not require a backlight unit.

[0004] The control box can be located separately from the display device and used adjacent to the user. The control box can provide various information to the display device. For example, the control box can be an AV box. The control box can exchange information with a display head equipped with a display panel that displays images, either wired or wirelessly.

[0005] Recently, much research has been conducted on the connectivity of these display devices.

[0006] The present disclosure aims to solve the above-mentioned and other problems.

[0007] Another purpose may be to provide a display device having a wireless communication module.

[0008] Another purpose may be to provide a method for reducing power consumption while ensuring a certain level of wireless communication performance between the communication module of the display and the communication module of the control box.

[0009] Another purpose may be to provide a control method for turning off the power of an antenna module among a pair of antenna modules of a display having a relatively low signal reception sensitivity.

[0010] According to one aspect of the present disclosure for achieving the above or other purposes, a display device may include: a display panel; a frame positioned at the rear of the display panel and to which the display panel is coupled; a communication module adjacent to one side of the frame and coupled to the frame; a control unit for controlling the communication module; and a control box for wirelessly exchanging signals with the communication module, wherein the communication module may include: a first antenna module; and a second antenna module spaced apart from the first antenna module, and wherein the control unit may turn on power of at least one of the first antenna module or the second antenna module.

[0011] The effects of the display device according to the present disclosure are described as follows.

[0012] According to at least one of the embodiments of the present disclosure, a display device having a wireless communication module can be provided.

[0013] According to at least one of the embodiments of the present disclosure, a method for reducing power consumption while ensuring a wireless communication performance between a communication module of a display and a communication module of a control box at a certain level or higher can be provided.

[0014] According to at least one of the embodiments of the present disclosure, a control method for turning off the power of an antenna module having a relatively low signal reception sensitivity among a pair of antenna modules of a display can be provided.

[0015] Further scope of the applicability of the present disclosure will become apparent from the detailed description below. However, since various modifications and variations within the spirit and scope of the present disclosure will become apparent to those skilled in the art, it should be understood that the detailed description and specific examples, such as preferred embodiments of the present disclosure, are given by way of example only.

[0016] Figures 1 to 22 are drawings illustrating examples of display devices according to embodiments of the present disclosure.

[0017] Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Regardless of the drawing numbers, identical or similar components are given the same reference numbers and redundant descriptions thereof will be omitted.

[0018] The suffixes "module" and "part" used for components in the following description are given or used interchangeably only for the convenience of writing specifications, and do not have distinct meanings or roles in themselves.

[0019] In addition, when describing the embodiments disclosed in this specification, if it is determined that a detailed description of a related known technology may obscure the gist of the embodiments disclosed in this specification, the detailed description thereof will be omitted. In addition, the attached drawings are only intended to facilitate easy understanding of the embodiments disclosed in this specification, and the technical ideas disclosed in this specification are not limited by the attached drawings, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and technical scope of the present disclosure.

[0020] Terms that include ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by these terms. These terms are used solely to distinguish one component from another.

[0021] When a component is referred to as being "connected" or "connected" to another component, it should be understood that it may be directly connected or connected to that other component, but that there may be other components intervening. Conversely, when a component is referred to as being "directly connected" or "connected" to another component, it should be understood that there are no other components intervening.

[0022] Singular expressions include plural expressions unless the context clearly indicates otherwise.

[0023] In this application, terms such as “include” or “have” are intended to specify the presence of a feature, number, step, operation, component, part or combination thereof described in the specification, but should be understood not to exclude in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts or combinations thereof.

[0024] The direction indications of up (U), down (D), left (Le), right (Ri), front (F), and back (R) shown in the drawings are only for convenience of explanation, and the technical ideas disclosed in this specification are not limited thereby.

[0025]

[0026] Referring to FIG. 1, a display device (1) may include a display panel (10). The display panel (10) may display an image.

[0027] The display device (1) may include a first long side (LS1), a second long side (LS2) opposite the first long side (LS1), a first short side (SS1) adjacent to the first long side (LS1) and the second long side (LS2), and a second short side (SS2) opposite the first short side (SS1). Meanwhile, for convenience of explanation, the lengths of the first and second long sides (LS1, LS2) are illustrated and described as being longer than the lengths of the first and second short sides (SS1, SS2), but it may also be possible for the lengths of the first and second long sides (LS1, LS2) to be approximately equal to the lengths of the first and second short sides (SS1, SS2).

[0028] The direction parallel to the long sides (LS1, LS2) of the display device (1) may be referred to as the left-right direction or the first direction (DR1). The direction parallel to the short sides (SS1, SS2) of the display device (1) may be referred to as the up-down direction or the second direction (DR2). The direction perpendicular to the long sides (LS1, LS2) and the short sides (SS1, SS2) of the display device (1) may be referred to as the front-back direction or the third direction (DR3).

[0029] The direction in which the display panel (10) displays an image may be referred to as the front (F, z), and the opposite direction may be referred to as the rear (R). The first long side (LS1) may be referred to as the upper side (U, y), and the second long side (LS2) may be referred to as the lower side (D). The first short side (SS1) may be referred to as the left side (Le, x), and the second short side (SS2) may be referred to as the right side (Ri).

[0030] The first long side (LS1), the second long side (LS2), the first short side (SS1), and the second short side (SS2) may be referred to as edges of the display device (1). In addition, the point where the first long side (LS1), the second long side (LS2), the first short side (SS1), and the second short side (SS2) meet each other may be referred to as a corner.

[0031] For example, the point where the first short side (SS1) and the first long side (LS1) meet can be called the first corner (C1). The point where the first long side (LS1) and the second short side (SS2) meet can be called the second corner (C2). The point where the second short side (SS2) and the second long side (LS2) meet can be called the third corner (C3). The point where the second long side (LS2) and the first short side (SS1) meet can be called the fourth corner (C4).

[0032]

[0033] Referring to FIGS. 1 and 2, the display device (1) may include a display panel (10), a frame (20), a side frame (30), and a back cover (40).

[0034] The display panel (10) can form the front surface of the display device (1) and display an image forward. For example, the display panel (10) can be an OLED panel, an LCD panel, or an LED panel. However, the types of display panels applicable to the present disclosure are not limited thereto. The display panel (10) can output an image by dividing an image into a plurality of pixels and adjusting the color, brightness, and saturation for each pixel. The display panel (10) can be divided into an active area where an image is displayed and a de-active area where an image is not displayed. The display panel (10) can generate light corresponding to the color red, green, or blue according to a control signal.

[0035] The frame (20) may be positioned at the rear of the display panel (10), and the display panel (10) may be coupled to the frame (20). For example, the frame (20) may include a metal material. The frame (20) may be referred to as a module cover (20) or a cover bottom (20).

[0036] The side frame (30) may extend along the perimeter of the frame (20). The side frame (30) may be coupled to the frame (20) and may cover the side of the display panel (10) and the side of the frame (20). The side frame (30) may be referred to as a guide panel (30).

[0037] The back cover (40) can be positioned at the rear of the frame (20) and can be coupled to the frame (20). The back cover (40) can include a plastic or metal material.

[0038]

[0039] Referring to FIG. 3, boards (50) may be positioned at the rear of the frame (20) and may be coupled to the frame (20). Electronic components may be mounted on the boards (50). The boards (50) may be printed circuit boards (PCBs) and may be electrically connected to electronic components of the display device.

[0040] A power supply board (51) can provide power to each component of the display device. A timing controller board (52) can provide a video signal to the display panel (10). A main board (53) can control the display device.

[0041] The source PCB (11, see FIG. 2) may be positioned on the rear side of the display panel (10) adjacent to the lower side of the display panel (10). The cable (C) may pass through a cable hole (CH) formed in the lower part of the frame (20) and connect the source PCB (11) and the timing controller board (52). Accordingly, the timing controller board (52) may provide digital video data and a timing control signal to the source PCB (11) through the cable (C). The cable (C) may be an FFC (Flexible Flat Cable).

[0042] Meanwhile, a speaker (not shown) can be mounted on the frame (20) and output sound to the outside.

[0043]

[0044] Referring to FIG. 4, the control box (200) can be spaced apart from the display device (1). The control box (200) can be referred to as a set-top box (200). The control box (200) can wirelessly exchange information with the display device (1). The communication module of the control box (200) can wirelessly communicate with the communication module (100) of the display device (1). At least a portion of the communication module (100) can protrude outward from the edge of the display device (1), and the communication module (100) can wirelessly communicate smoothly with the communication module of the control box (200).

[0045] The stability of wireless communication between the control box (200) and the display device (1) may vary depending on the relative positions of the control box (200) and the display device (1). The display device (1) may be positioned at a fixed location to maintain a constant distance from the user. The control box (200) needs to have a high degree of freedom in its positioning for user convenience.

[0046] Meanwhile, the control box (200) may be a component of the display device (1). In this case, the display device (1) excluding the control box (200) may be referred to as a display (1), a display unit (1), or a head (1). The display (1) may include a display panel (10).

[0047]

[0048] Referring to FIG. 5, the shield plate (520) can be coupled to the rear of the timing controller board (52). The first board (54) can be spaced downward from the timing controller board (52) and coupled to the rear of the frame (20). The second board (53) can be spaced rightward from the timing controller board (52) and coupled to the rear of the frame (20).

[0049] The communication module (100) can receive compressed video and / or sound data from the communication module of the control box (200, see FIG. 4). The first board (54) can decompress the video and / or sound data received from the communication module (100), convert it, and provide it to the second board (53). The second board (53) can provide the data received from the first board (54) to the display panel (10, see FIG. 4) via the timing controller board (52). For example, the first board (54) can be a WAV (waveform audio format) board or a WAV22 board, and the second board (53) can be an AMP (amplifier) ​​board. For example, the second board (53) can be a main board (53). The communication module (100) can be referred to as a communication unit (100) or a communication box (100).

[0050]

[0051] Referring to FIGS. 6 and 7, the base (55) may be adjacent to the lower side (32) of the side frame (30) and may be detachably coupled to the rear of the frame (20). The lower fixing parts (26a, 26b) and the upper fixing parts (24a, 24b) may protrude rearward from the frame (20) and may penetrate the base (55).

[0052] The communication module (100) may include a front cover (110), a rear cover (120), a pair of antenna modules (130, 140), and an IR module (150, Infrared module).

[0053] The front cover (110) may be positioned at the rear of the base (55) and may be detachably coupled to the base (55). The front cover (110) may be opened toward the rear. A portion of the front cover (110) may protrude downward from the lower side (32) of the side frame (30). The front cover (110) may be a plastic injection molded product. The lower fixing portion (26a) may penetrate the front cover (110). The housing fixing portions (116a, 116b) may protrude rearward from the inner surface of the front cover (110).

[0054] The rear cover (120) may be positioned at the rear of the front cover (110) and may be detachably coupled to the front cover (110). The rear cover (120) may cover the open rear of the front cover (110). The rear cover (120) may be a plastic injection molded product. The pins (56a, 56b) may protrude rearward from the base (55) and may penetrate the rear cover (120). Fastening members such as screws may penetrate the rear cover (120) and may be fastened to the lower fixing member (26a) of the frame (20) and the lower fixing member (56c) of the base (55). Fastening members such as screws may penetrate the rear cover (120) and may be fastened to the housing fixing members (116a, 116b) of the front cover (110).

[0055] The first antenna module (130) and the second antenna module (140) may be positioned between the front cover (110) and the rear cover (120). The substrate (132) of the first antenna module (130) and the substrate (142) of the second antenna module (140) may be a PCB (Printed Circuit Board). The substrate (132) of the first antenna module (130) and the substrate (142) of the second antenna module (140) may be aligned on the front surface of the display panel (10). That is, the substrates (132, 142) may be aligned in the xy plane. The first antenna module (130) may be adjacent to the left side of the front cover (110) and may be referred to as a left antenna module (130). The second antenna module (140) may be adjacent to the right side of the front cover (110) and may be referred to as a right antenna module (140). The antenna modules (130, 140) may be referred to as antenna modules (130, 140) or antennas (130, 140).

[0056] The first antenna unit (134) may be formed on the front surface of the substrate (132) of the first antenna module (130). The first antenna unit (134) may be a patch antenna. The first antenna unit (134) may include patches (P) and feed units connected to the patches (P). For example, the number of patches (P) of the first antenna unit (134) may be 12. For example, the first antenna unit (134) may detect horizontal polarization.

[0057] The second antenna unit (135) may be formed on the lower side of the substrate (132) of the first antenna module (130). The second antenna unit (135) may be a monopole antenna. The second antenna unit (135) may include a plurality of monopoles (MP). The monopoles (MP) may be formed along the lower side of the substrate (132). For example, the number of monopoles (MP) may be 10. For example, the second antenna unit (135) may detect vertical polarization.

[0058] The third antenna unit (136) may be formed on the left side of the substrate (132) of the first antenna module (130). The third antenna unit (136) may be a dipole antenna. The third antenna unit (136) may include a plurality of dipoles (DP). The dipoles (DP) may be formed along the left side of the substrate (132). For example, the number of dipoles (DP) may be three. For example, the third antenna unit (136) may detect horizontal polarization.

[0059] The fourth antenna unit (137) may be formed on the right side of the substrate (132) of the first antenna module (130). The fourth antenna unit (137) may be a dipole antenna. The fourth antenna unit (137) may include a plurality of dipoles (DP). The dipoles (DP) may be formed along the right side of the substrate (132). For example, the number of dipoles (DP) may be three. For example, the fourth antenna unit (137) may detect horizontal polarization.

[0060] The first antenna unit (144) may be formed on the front surface of the substrate (142) of the second antenna module (140). The first antenna unit (144) may be a patch antenna. The first antenna unit (144) may include patches (P) and feed units connected to the patches (P). For example, the number of patches (P) of the first antenna unit (144) may be 12. For example, the first antenna unit (144) may detect horizontal polarization.

[0061] The second antenna unit (145) may be formed on the lower side of the substrate (142) of the second antenna module (140). The second antenna unit (145) may be a monopole antenna. The second antenna unit (145) may include a plurality of monopoles (MP). The monopoles (MP) may be formed along the lower side of the substrate (142). For example, the number of monopoles (MP) may be 10. For example, the second antenna unit (145) may detect horizontal polarization.

[0062] The third antenna unit (146) may be formed on the left side of the substrate (142) of the second antenna module (140). The third antenna unit (146) may be a dipole antenna. The third antenna unit (146) may include a plurality of dipoles (DP). The dipoles (DP) may be formed along the left side of the substrate (142). For example, the number of dipoles (DP) may be three. For example, the third antenna unit (146) may detect horizontal polarization.

[0063] The fourth antenna unit (147) may be formed on the right side of the substrate (142) of the second antenna module (140). The fourth antenna unit (147) may be a dipole antenna. The fourth antenna unit (147) may include a plurality of dipoles (DP). The dipoles (DP) may be formed along the right side of the substrate (142). For example, the number of dipoles (DP) may be three. For example, the fourth antenna unit (147) may detect horizontal polarization.

[0064] For example, the first thermal pad (131) may include a material having excellent thermal conductivity and may be coupled or attached to the rear surface of the first antenna module (130). For example, the second thermal pad (141) may include a material having excellent thermal conductivity and may be coupled or attached to the rear surface of the second antenna module (140).

[0065] The IR module (150) may be positioned between the first antenna module (130) and the second antenna module (140). The IR module (150) may include a controller. The IR module (150) may include a printed circuit board (PCB). The input unit (160) may be mounted on the lower side of the IR module (150). The IR module (150) may be referred to as an infrared transmission / reception unit (150).

[0066]

[0067] Referring to FIG. 8, the communication module (100) may include a front cover (110), a rear cover (120), a first antenna module (130), a second antenna module (140), an IR module (150, Infrared module), and an inner plate (170).

[0068] The inner plate (170) may be coupled or fixed to the front of the rear cover (120). The rear cover (120) may be a plastic injection molded product. The inner plate (170) may include a metal material and may be referred to as a heat sink (170). The inner plate (170) may include a center plate (171), a first connecting plate (172), and a second connecting plate (173). The first connecting plate (172) may be opposite the second connecting plate (173) with respect to the center plate (171).

[0069] The IR module (150) may be positioned between the first connecting plate (172) and the second connecting plate (173), and may be coupled or fixed to the rear cover (120). The IR module (150) may be positioned below the middle plate (171). The IR module (150) may be referred to as an infrared transmitting and receiving unit (150).

[0070] The first antenna module (130) may be coupled or fixed to the first connecting plate (172). The second antenna module (140) may be coupled or fixed to the second connecting plate (173). The substrate (132) of the first antenna module (130) and the substrate (142) of the second antenna module (140) may be a PCB (Printed Circuit Board). Each of the substrate (132) of the first antenna module (130) and the substrate (142) of the second antenna module (140) may be perpendicular to the front surface of the display panel (10). That is, the substrates (132, 142) may be parallel to the xz plane. The first antenna module (130) may be referred to as a left antenna module (130), and the second antenna module (140) may be referred to as a right antenna module (140). The antenna modules (130, 140) may be referred to as antenna units (130, 140) or antennas (130, 140).

[0071] The front cover (110) may be coupled to the rear cover (120). The front cover (110) may cover the first antenna module (130), the second antenna module (140), and / or the IR module (150). The front cover (110) may be a plastic injection molded product.

[0072]

[0073] Referring to FIG. 9, the first antenna module (130) may include a substrate (132), a cover frame (133), a first antenna unit (134), a second antenna unit (135), a third antenna unit (136), a fourth antenna unit (137), a dummy antenna unit (138), and a fastening hole (h).

[0074] The substrate (132) may be a PCB in the shape of a horizontal plate. The cover frame (133) may cover a portion of the lower surface of the substrate (132), and an opening (133P) may be formed in the center of the cover frame (133).

[0075] The first antenna unit (134) may be formed on the lower surface of the substrate (132) and may be exposed to the outside through an opening (133P) of the cover frame (133). The second antenna unit (135) may be located on the first long side of the substrate (132). The third antenna unit (136) may be located on the first short side of the substrate (132), and the fourth antenna unit (137) may be located on the second short side of the substrate (132). The third antenna unit (136) may be opposite the fourth antenna unit (137) with respect to the first antenna unit (134).

[0076] The first antenna unit (134) may be a patch antenna. The first antenna unit (134) may include a plurality of patches (P) and a plurality of feed portions (S). The patches (P) may be circular electrodes. The patches (P) may be arranged sequentially along the length direction of the substrate (132) while maintaining a constant interval from each other. For example, there may be 12 patches (P). The feed portions (S) may be formed on the lower surface of the substrate (132) adjacent to the patches (P). The feed portions (S) may be electrically connected to the patches (P). For example, there may be 12 feed portions (S). For example, the first antenna unit (134) may detect vertical polarization.

[0077] The second antenna unit (135) may be a dipole antenna. The second antenna unit (135) may be formed along the first long side of the substrate (132). The second antenna unit (135) may include a plurality of dipoles (DP). The plurality of dipoles (DP) may be formed sequentially along the first long side of the substrate (132). For example, the number of dipoles (DP) may be 14. For example, the second antenna unit (135) may detect horizontal polarization.

[0078] The third antenna unit (136) may be a dipole antenna. The third antenna unit (136) may be formed along the first short side of the substrate (132). The third antenna unit (136) may include a plurality of dipoles (DP). The plurality of dipoles (DP) may be formed sequentially along the first short side of the substrate (132). For example, the number of dipoles (DP) may be three. For example, the third antenna unit (136) may detect horizontal polarization.

[0079] The fourth antenna (137) may be a dipole antenna. The fourth antenna portion (137) may be formed along the second short side of the substrate (132). The fourth antenna portion (137) may include a plurality of dipoles (DP). The plurality of dipoles (DP) may be formed sequentially along the second short side of the substrate (132). For example, the number of dipoles (DP) may be three. For example, the fourth antenna portion (137) may detect horizontal polarization.

[0080] A dummy antenna unit (138) may be formed on the cover frame (133). The dummy antenna unit (138) may include a plurality of rectangular patches or electrodes. The plurality of patches or electrodes may be sequentially arranged along the longitudinal direction of the substrate (132). The dummy antenna unit (148) may reduce noise.

[0081]

[0082] Referring to FIG. 10, the second antenna module (140) may include a substrate (142), a cover frame (143), a first antenna unit (144), a second antenna unit (145), a third antenna unit (146), a fourth antenna unit (147), and a fastening hole (h).

[0083] The substrate (142) may be a PCB in the shape of a horizontal plate. The cover frame (143) may cover a portion of the lower surface of the substrate (142), and an opening (143P) may be formed in the center of the cover frame (143).

[0084] The first antenna unit (144) may be formed on the lower surface of the substrate (142) and may be exposed to the outside through an opening (143P) of the cover frame (143). The second antenna unit (145) may be located on the first long side of the substrate (142). The third antenna unit (146) may be located on the first short side of the substrate (142), and the fourth antenna unit (147) may be located on the second short side of the substrate (142). The third antenna unit (146) may be opposite the fourth antenna unit (147) with respect to the first antenna unit (144).

[0085] The first antenna unit (144) may be a patch antenna. The first antenna unit (144) may include a plurality of patches (P) and a plurality of feed portions (S). The patches (P) may be circular electrodes. The patches (P) may be arranged sequentially along the length direction of the substrate (142) while maintaining a constant interval from each other. For example, there may be 12 patches (P). The feed portions (S) may be formed on the lower surface of the substrate (142) adjacent to the patches (P). The feed portions (S) may be electrically connected to the patches (P). For example, there may be 12 feed portions (S). For example, the first antenna unit (144) may detect horizontal polarization.

[0086] The second antenna unit (145) may be a dipole antenna. The second antenna unit (145) may be formed along the first long side of the substrate (142). The second antenna unit (145) may include a plurality of dipoles (DP). The plurality of dipoles (DP) may be formed sequentially along the first long side of the substrate (142). For example, the number of dipoles (DP) may be 14. For example, the second antenna unit (145) may detect horizontal polarization.

[0087] The third antenna unit (146) may be a dipole antenna. The third antenna unit (146) may be formed along the first short side of the substrate (142). The third antenna unit (146) may include a plurality of dipoles (DP). The plurality of dipoles (DP) may be formed sequentially along the first short side of the substrate (142). For example, the number of dipoles (DP) may be three. For example, the third antenna unit (146) may detect horizontal polarization.

[0088] The fourth antenna unit (174) may be a dipole antenna. The fourth antenna unit (147) may be formed along the second short side of the substrate (142). The fourth antenna unit (147) may include a plurality of dipoles (DP). The plurality of dipoles (DP) may be formed sequentially along the second short side of the substrate (142). For example, the number of dipoles (DP) may be three. For example, the fourth antenna unit (147) may detect horizontal polarization.

[0089]

[0090] Referring to FIGS. 11 and 12, a case (201) can form the exterior of a control box (200), and a plurality of plates (210, 220, 230) can be stacked inside the case (201). The first columns (201P) can support a second plate (220) on the first plate (210). The second columns (220P) can support a third plate (230) on the second plate (220). Electronic components such as a power supply unit and a main board can be placed between the plurality of plates (210, 220, 230).

[0091] The rotary plate (203) can be coupled to a third plate (230) so as to be rotatable around a rotation axis (Ax). The rotary column (2031) of the rotary plate (203) can be fixed to a rotary shaft protruding from the center of the third plate (230).

[0092] The communication module (250) can be positioned between the third plate (230) and the turntable (203) and can be fixed to the turntable (203). The communication module (250) can be adjacent to the periphery of the turntable (203).

[0093]

[0094] Referring to FIG. 13, the communication module (250) may include an antenna module (251, 252), a heat sink (253), a cooling fan (257), a dial (205), and brackets (254, 255). The heat sink (253) may have the shape of an elongated rectangular pillar. The first antenna module (251) and the second antenna module (252) may be coupled to one surface of the heat sink (253). Alternatively, only one antenna module may be coupled to one surface of the heat sink (253).

[0095] The antenna unit (250A) may be formed on the front surface of each of the first antenna module (251) and the second antenna module (252). The antenna unit (250A) may be a patch antenna. The antenna unit (250A) may include patches (P) and feed units connected to the patches (P). For example, the number of patches (P) of the antenna unit (250A) may be 32. For example, the antenna unit (250A) may detect horizontal polarization.

[0096] A cooling fan (275) can be coupled to one side of the heat sink (253) and can cause air to flow through the heat sink (253).

[0097] The first bracket (254) can be coupled to the heat sink (253), and the second bracket (255) can be pivotally coupled to the first bracket (254). The connecting shaft (A) can be positioned below the rotary plate (203, see FIGS. 11 and 12) and can extend horizontally. The connecting shaft (A) can be installed to penetrate the first bracket (254) and the second bracket (255). The dial (205) can rotate about the connecting shaft (A). The dial (205) can be fixed to the first bracket (254), and the dial (205) and the first bracket (254) can rotate with respect to the second bracket (255). The second bracket (255) can be fixed to the rotary plate (203, see FIGS. 11 and 12). The dial (205) may have a fan shape, and the arc surface of the dial (205) may penetrate the second bracket (255) and be exposed to the outside of the case (201, see FIG. 4).

[0098] Accordingly, the user can rotate the turntable (203) (rotation around the rotation axis (AX) of FIG. 12) or pivot or tilt the communication module (250) up and down (see arrow (AW) next to the communication module (250) of FIG. 12) by manipulating the dial (205).

[0099]

[0100] Referring to FIG. 14, the communication module (250) of the control box (200) can transmit a signal to the antenna units (134, 135, 136, 137) of the first antenna module (130) and the antenna units (144, 145, 146, 147) of the second antenna module (140) via the antenna unit (250A). The signal received by the first antenna module (130) and the signal received by the second antenna module (140) can be selectively selected or synthesized. That is, the wireless communication between the communication module (250) of the control box (200) and the communication module (100) can utilize the diversity (spatial diversity) technology. That is, one signal can be multiplexed, and errors can be controlled by combining the signals, or the reliability can be increased by selecting the best signal. For example, the diversity gain can be approximately 3 dB.

[0101] The control unit (CU) of the display device (1) may be electrically connected to the first antenna module (130) and the second antenna module (140). The control unit (CU) may control whether power is supplied to each of the first antenna module (130) and the second antenna module (140). That is, the control unit (CU) may control power ON / OFF of each of the first antenna module (130) and the second antenna module (140). The control unit (CU) may be implemented in a main board (53, see FIG. 5).

[0102]

[0103] Referring to FIG. 15, the control unit (CU) can detect the sensitivity of a signal transmitted from the communication module (250) of the control box (200) and received by the first antenna module (130) and the second antenna module (140) (S10).

[0104] The control unit (CU) can determine whether the difference between the reception sensitivity of the signal received from the first antenna module (130) and the reception sensitivity of the signal received from the second antenna module (140), i.e., the difference in reception sensitivity, is greater than or equal to a first reference value (a1) (S20). The reference value (a1) can be experimentally determined according to product specifications, etc. For example, the reference value (a1) can be approximately 3 dB or greater.

[0105] If the difference in reception sensitivity is less than the first reference value (a1) (S20: No), the control unit (CU) can maintain the power of the first and second antenna modules (130, 140) in an ON state (S50).

[0106] If the difference in reception sensitivity is greater than or equal to the first reference value (a1) (S20: Yes), the control unit (CU) can determine whether the difference in wireless performance depending on whether the power of the antenna module with relatively low reception sensitivity among the first and second antenna modules (130, 140) is turned OFF is less than the second reference value (a2) (S30). The reference value (a2) can be experimentally determined according to product specifications, etc. That is, the control unit (CU) can hypothetically determine whether the wireless performance when the power of the antenna module with relatively low reception sensitivity among the first and second antenna modules (130, 140) is turned OFF is not significantly different from the wireless performance when the power of both the first and second antenna modules (130, 140) is turned ON. For example, the reference value (a2) can be less than about 3 dB.

[0107] If the difference in wireless performance is greater than or equal to the second reference value (a2) (S30: No), the control unit (CU) can maintain the power of the first and second antenna modules (130, 140) turned ON (S50).

[0108] If the difference in wireless performance is less than the second reference value (a2) (S30: Yes), the control unit (CU) can turn off the power of the antenna module with low reception sensitivity among the first and second antenna modules (130, 140) (S40).

[0109] The compression ratio of the signal transmitted from the communication module (250) of the control box (200) to the communication module (100) may be less than 1 / 6, and the signal quality may be satisfied if the signal-to-noise ratio (SNR) is 16 dB or more. For example, among the first and second antenna modules (130, 140), the power of the first antenna module (130) having a relatively low reception sensitivity may be turned off, but the power of the second antenna module (140) may be maintained in an ON state. In this case, if the signal-to-noise ratio (SNR) of the signal received by the second antenna module (140) is 16 dB or more, the signal quality may be satisfied.

[0110] The aforementioned S10, S20, S30, S40, and S50 may be referred to as an antenna power control process (S60). The antenna power control process (S60) may be a process for selecting either 1T2R or 1T1R. Here, 1T2R may represent one transmit and two receive, and 1T1R may represent one transmit and one receive.

[0111] For example, the antenna power control process (S60) may be performed in the normal mode of the display device (1). As another example, the antenna power control process (S60) may be performed in the low power mode of the display device (1). Here, the low power mode is a mode that reduces the power consumed by the display device (1) compared to the normal mode, and may be activated when a certain condition is satisfied or at the user's request.

[0112]

[0113] Referring to FIG. 16, the control box (200) can be positioned in front of the display (1), and the communication module (250) of the control box (200) can face the communication module (100) of the display (1). To this end, the turntable (203) of the control box (200) and the communication module (250) can be rotated or tilted toward the communication module (100) (see FIG. 12).

[0114] In this case, the antenna portion formed on the front or front end of the first and second antenna modules (130, 140) of the communication module (100), i.e., the first antenna portion (134, 144, see FIG. 7) or the second antenna portion (135, 145, see FIGS. 9 and 10), can receive a signal from the antenna portion (250A, see FIG. 13) of the communication module (250). Meanwhile, since the remaining antenna portions of the communication module (100) have difficulty receiving the signal from the antenna portion (250A), the power may be turned off.

[0115] For example, the communication module (250) may be positioned offset in one direction from the center of the display (1). That is, the distance between the communication module (250) and the first antenna module (130) and the distance between the communication module (250) and the second antenna module (140) may be different from each other.

[0116] When the communication module (250) is positioned relatively closer to the first antenna module (130) than to the second antenna module (140), the sensitivity of the signal received by the first antenna module (130) may be higher than the sensitivity of the signal received by the second antenna module (140). If the difference in the reception sensitivity of the first and second antenna modules (130, 140) is equal to or greater than the first reference value (a1) (S20 of FIG. 15: Yes), and if the wireless performance does not decrease by more than the second reference value (a2) even when the power of the second antenna module (140) is turned OFF (S30 of FIG. 15: Yes), the control unit (CU) may turn OFF the power of the second antenna module (140). Accordingly, the power consumption of the communication module (100) may be reduced while securing a wireless performance of a certain level or higher with only the first antenna module (130).

[0117] Furthermore, power is supplied only to the first antenna unit (134, see FIG. 7) of the first antenna module (130) and power is not supplied to the remaining antenna units (135, 136, 137, see FIG. 7), or power is supplied only to the second antenna unit (135, see FIGS. 9 and 10) of the first antenna module (130) and power is not supplied to the remaining antenna units (134, 136, 137, see FIGS. 9 and 10), thereby minimizing power consumption of the communication module (100).

[0118] If the communication module (250) is positioned relatively closer to the second antenna module (140) than to the first antenna module (130), the sensitivity of the signal received by the second antenna module (140) may be higher than the sensitivity of the signal received by the first antenna module (130). If the difference in the reception sensitivity of the first and second antenna modules (130, 140) is equal to or greater than the first reference value (a1) (S20 of FIG. 15: Yes), and if the wireless performance does not decrease by more than the second reference value (a2) even when the power of the first antenna module (130) is turned OFF (S30 of FIG. 15: Yes), the control unit (CU) may turn OFF the power of the first antenna module (130). Accordingly, the power consumption of the communication module (100) may be reduced while securing a wireless performance of a certain level or higher only with the second antenna module (140).

[0119] Furthermore, power is supplied only to the first antenna unit (144, see FIG. 7) of the second antenna module (140) and power is not supplied to the remaining antenna units (145, 146, 147, see FIG. 7), or power is supplied only to the second antenna unit (145, see FIGS. 9 and 10) of the second antenna module (140) and power is not supplied to the remaining antenna units (144, 146, 147, see FIGS. 9 and 10), thereby minimizing the power consumption of the communication module (100).

[0120]

[0121] Referring to FIG. 17, the control box (200) can be located on the left side of the display (1), and the communication module (250) of the control box (200) can face the communication module (100) of the display (1). To this end, the turntable (203) of the control box (200) and the communication module (250) can be rotated or tilted toward the communication module (100) (see FIG. 12).

[0122] In this case, the antenna unit formed on the left side of the first and second antenna modules (130, 140) of the communication module (100), i.e., the third antenna unit (136, 146, see FIGS. 7, 9 and 10), can receive a signal from the antenna unit (250A, see FIG. 13) of the communication module (250). Meanwhile, since the remaining antenna units of the communication module (100) have difficulty receiving the signal from the antenna unit (250A), the power may be turned off.

[0123] The second antenna module (140) located on the right side of the first antenna module (130) may be located relatively far away from the communication module (250). The sensitivity of the signal received by the first antenna module (130) may be higher than the sensitivity of the signal received by the second antenna module (140). If the difference in the reception sensitivity of the first and second antenna modules (130, 140) is equal to or greater than the first reference value (a1) (S20 of FIG. 15: Yes), and if the wireless performance does not decrease below the second reference value (a2) even when the power of the second antenna module (140) is turned OFF (S30 of FIG. 15: Yes), the control unit (CU) may turn OFF the power of the second antenna module (140). Accordingly, it is possible to secure a wireless performance of a certain level or higher using only the first antenna module (130) while reducing the power consumption of the communication module (100).

[0124] Furthermore, power is supplied only to the third antenna section (136, see FIGS. 7, 9 and 10) of the first antenna module (130) and power is not supplied to the remaining antenna sections (134, 135, 137, see FIGS. 7, 9 and 10), thereby minimizing the power consumption of the communication module (100).

[0125]

[0126] Referring to FIG. 18, the control box (200) can be located on the right side of the display (1), and the communication module (250) of the control box (200) can face the communication module (100) of the display (1). To this end, the turntable (203) of the control box (200) and the communication module (250) can be rotated or tilted toward the communication module (100) (see FIG. 12).

[0127] In this case, the antenna unit formed on the right side of the first and second antenna modules (130, 140) of the communication module (100), i.e., the fourth antenna unit (137, 147, see FIGS. 7, 9 and 10), can receive a signal from the antenna unit (250A, see FIG. 13) of the communication module (250). Meanwhile, since the remaining antenna units of the communication module (100) have difficulty receiving the signal of the antenna unit (250A), the power may be turned off.

[0128] The first antenna module (130) located on the left side of the second antenna module (140) may be located relatively far away from the communication module (250). The sensitivity of the signal received by the second antenna module (140) may be higher than the sensitivity of the signal received by the first antenna module (130). If the difference in the reception sensitivity of the first and second antenna modules (130, 140) is equal to or greater than the first reference value (a1) (S20 of FIG. 15: Yes), and if the wireless performance does not decrease below the second reference value (a2) even when the power of the first antenna module (130) is turned OFF (S30 of FIG. 15: Yes), the control unit (CU) may turn OFF the power of the first antenna module (130). Accordingly, it is possible to secure a wireless performance of a certain level or higher using only the second antenna module (140) while reducing the power consumption of the communication module (100).

[0129] Furthermore, power is supplied only to the fourth antenna section (147, see FIGS. 7, 9 and 10) of the second antenna module (140) and power is not supplied to the remaining antenna sections (144, 145, 146, see FIGS. 7, 9 and 10), thereby minimizing the power consumption of the communication module (100).

[0130]

[0131] Referring to FIGS. 19 and 20, the control box (200) can be positioned below the display (1), and the communication module (250) of the control box (200) can face the communication module (100) of the display (1). To this end, the turntable (203) of the control box (200) and the communication module (250) can be rotated or tilted toward the communication module (100) (see FIG. 12).

[0132] In this case, the antenna unit formed on the lower or bottom surface of the first and second antenna modules (130, 140) of the communication module (100), i.e., the second antenna unit (135, 145, see FIG. 7) or the first antenna unit (134, 144, see FIGS. 9 and 10), can receive a signal from the antenna unit (250A, see FIG. 13) of the communication module (250). Meanwhile, since the remaining antenna units of the communication module (100) have difficulty receiving the signal of the antenna unit (250A), the power may be turned off.

[0133] The antenna unit (250A) of FIG. 19 can provide a signal having a horizontal polarization characteristic. In this case, the second antenna unit (145, see FIG. 7) or the first antenna unit (144, see FIGS. 9 and 10) of the second antenna module (140) that detects horizontal polarization can be matched with the antenna unit (250A). That is, the sensitivity of the signal received by the second antenna module (140) can be higher than the sensitivity of the signal received by the first antenna module (130). If the difference in the reception sensitivity of the first and second antenna modules (130, 140) is equal to or greater than the first reference value (a1) (S20 of FIG. 15: Yes), and if the wireless performance does not decrease below the second reference value (a2) even when the power of the first antenna module (130) is turned OFF (S30 of FIG. 15: Yes), the control unit (CU) can turn OFF the power of the first antenna module (130). Accordingly, it is possible to reduce the power consumption of the communication module (100) while securing a certain level of wireless performance or higher with only the second antenna module (140).

[0134] Furthermore, power is supplied only to the second antenna unit (145, see FIG. 7) of the second antenna module (140) and power is not supplied to the remaining antenna units (144, 146, 147, see FIG. 7), or power is supplied only to the first antenna unit (144, see FIGS. 9 and 10) of the second antenna module (140) and power is not supplied to the remaining antenna units (145, 146, 147, see FIGS. 9 and 10), thereby minimizing the power consumption of the communication module (100).

[0135] The antenna unit (250A) of FIG. 20 can be rotated 90 degrees from the antenna unit (250A) of FIG. 19 and can provide a signal having vertical polarization characteristics. In this case, the second antenna unit (135, see FIG. 7) or the first antenna unit (134, see FIGS. 9 and 10) of the first antenna module (130) that detects vertical polarization can be matched with the antenna unit (250A). That is, the sensitivity of the signal received by the first antenna module (130) can be higher than the sensitivity of the signal received by the second antenna module (140). If the difference in reception sensitivity of the first and second antenna modules (130, 140) is greater than or equal to the first reference value (a1) (S20 of FIG. 15: Yes), and if the wireless performance does not decrease to or exceed the second reference value (a2) even when the power of the second antenna module (140) is turned OFF (S30 of FIG. 15: Yes), the control unit (CU) can turn OFF the power of the second antenna module (140). Accordingly, it is possible to reduce the power consumption of the communication module (100) while securing a wireless performance of a certain level or higher using only the first antenna module (130).

[0136] Furthermore, power consumption of the communication module (100) can be minimized by supplying power only to the second antenna unit (135, see FIG. 7) of the first antenna module (130) and not supplying power to the remaining antenna units (134, 136, 137, see FIG. 7), or by supplying power only to the first antenna unit (134, see FIGS. 9 and 10) of the first antenna module (130) and not supplying power to the remaining antenna units (135, 136, 137, see FIGS. 9 and 10).

[0137]

[0138] Referring to FIG. 21, the antenna unit (250A) of the communication module (250) may have an angle (i.e., 45 degrees) between the antenna unit (250A, see FIG. 19) that provides a signal with horizontal polarization characteristics and the antenna unit (250A, see FIG. 20) that provides a signal with vertical polarization characteristics. In this case, when the signal of the antenna unit (250A) is received by either one of the first antenna module (130) and the second antenna module (140), the signal quality may deteriorate. That is, when the power of either one of the first and second antenna modules (130, 140) is turned OFF, the wireless performance is lowered to a second reference value (a2) or more (S30 of FIG. 15: No), so the control unit (CU) may continue to turn ON the power of the first and second antenna modules (130, 140).

[0139]

[0140] Referring to FIGS. 22 and 15, the aforementioned S10, S20, S30, S40, and S50 may be referred to as an antenna power control process (S60). The control unit (CU) may detect whether the power of the control box (200) has been turned ON again after being turned OFF (S70). Here, the power of the control box (200) may be turned ON when connected to an external power source via a power cable, and may be turned OFF when the connection with the external power source is disconnected.

[0141] If it is determined that the power of the control box (200) has been turned ON again after being turned OFF (S70: Yes), the control unit (CU) can perform the antenna power control process (S60) again. This is to take into account that the position of the control box (200) may change between power ON / OFF of the control box (200). Accordingly, user convenience can be improved.

[0142]

[0143] Referring to FIGS. 1 to 22, a display device may include: a display panel; a frame positioned at the rear of the display panel and to which the display panel is coupled; a communication module adjacent to one side of the frame and coupled to the frame; a control unit that controls the communication module; and a control box that wirelessly exchanges signals with the communication module, wherein the communication module may include: a first antenna module; and a second antenna module spaced apart from the first antenna module, and wherein the control unit may turn on power of at least one of the first antenna module or the second antenna module.

[0144] The above control unit can control ON / OFF of the power of the first and second antenna modules based on the positional relationship between the communication module and the control box.

[0145] The control unit can turn on the power of both the first and second antenna modules when the difference in reception sensitivity between the first antenna module and the second antenna module is less than the first reference value.

[0146] The reception sensitivity of the first antenna module may be higher than the reception sensitivity of the second antenna module by at least the first reference value, and the control unit may turn off the power of the second antenna module if the difference in wireless performance depending on whether the power of the second antenna module is turned off is less than the second reference value.

[0147] The above control unit can control the ON / OFF of the power of the first and second antenna modules again when the power of the control box is turned OFF and then turned ON again.

[0148] Each of the first and second antenna modules may include: a substrate; a first antenna portion formed on a front surface of the substrate; a second antenna portion formed on a lower side of the substrate; a third antenna portion formed on a left side of the substrate; and a fourth antenna portion formed on a right side of the substrate.

[0149] The control box may be positioned in front of the first and second antenna modules, and may be positioned closer to the first antenna module than to the second antenna module, and the control unit may turn on the power of the first antenna module and turn off the power of the second antenna module.

[0150] The above control unit can turn ON the power of the first antenna unit of the first antenna module, but turn OFF the power of the remaining antenna units of the first antenna module.

[0151] The first antenna module may be located on the left side of the second antenna module, the control box may be located on the left side of the first antenna module, and the control unit may turn on the power of the first antenna module and turn off the power of the second antenna module.

[0152] The above control unit can turn ON the power of the third antenna unit of the first antenna module, but turn OFF the power of the remaining antenna units of the first antenna module.

[0153] The second antenna unit of the first antenna module can detect vertical polarization, the second antenna unit of the second antenna module can detect horizontal polarization, the control box can be located below the first and second antenna modules and can provide a signal having a characteristic of horizontal polarization, and the control unit can turn ON the power of the second antenna module and turn OFF the power of the first antenna module.

[0154] The second antenna unit of the first antenna module can detect vertical polarization, the second antenna unit of the second antenna module can detect horizontal polarization, the control box can be located below the first and second antenna modules and can provide a signal having a vertical polarization characteristic, and the control unit can turn ON the power of the first antenna module and turn OFF the power of the second antenna module.

[0155] The above control unit can turn ON the power of the second antenna unit of the first antenna module, but turn OFF the power of the remaining antenna units of the first antenna module.

[0156] A portion of the above communication module may protrude downward from the lower edge of the frame.

[0157] The above control box may include: a case; a turntable rotatably coupled to one side of the case; and a communication module positioned inside the case and tiltably coupled to the turntable.

[0158]

[0159] Any or all of the embodiments of the present disclosure described above are not mutually exclusive or distinct. Any or all of the embodiments of the present disclosure described above may have their respective components or functions combined or used together.

[0160] For example, it means that a configuration A described in a particular embodiment and / or drawing can be combined with a configuration B described in another embodiment and / or drawing. That is, even if a combination between configurations is not directly described, it means that a combination is possible, except in cases where a combination is described as impossible.

[0161] The above detailed description should not be construed as limiting in any respect and should be considered illustrative only. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are intended to be included within the scope of the present invention.

Claims

1. Display panel; A frame located at the rear of the display panel and to which the display panel is coupled; A communication module adjacent to one side of the frame and coupled to the frame; A control unit that controls the above communication module; and, It includes a control box that wirelessly exchanges signals with the above communication module, The above communication module: a first antenna module; and, including a second antenna module spaced apart from the first antenna module; The above control unit, A display device that turns on the power of at least one of the first antenna module or the second antenna module.

2. In paragraph 1, The above control unit, A display device that controls the ON / OFF of the power of the first and second antenna modules based on the positional relationship between the communication module and the control box.

3. In paragraph 1, The above control unit, A display device that turns on the power of both the first and second antenna modules when the difference in reception sensitivity of the first antenna module and the second antenna module is less than the first reference value.

4. In paragraph 3, The reception sensitivity of the above first antenna module is: The reception sensitivity of the second antenna module is higher than the first reference value, The above control unit, A display device that turns off the power of the second antenna module when the difference in wireless performance depending on whether the power of the second antenna module is turned off is less than the second reference value.

5. In paragraph 4, The above control unit, A display device that controls the ON / OFF of the power of the first and second antenna modules again when the power of the above control box is turned OFF and then turned ON again.

6. In paragraph 1, Each of the first and second antenna modules: substrate; A first antenna portion formed on the front surface of the above substrate; A second antenna portion formed on the lower side of the substrate; A third antenna part formed on the left side of the above substrate; and, A display device including a fourth antenna unit formed on the right side of the substrate.

7. In paragraph 6, The above control box, Located in front of the first and second antenna modules, and closer to the first antenna module than to the second antenna module, The above control unit, A display device that turns on the power of the first antenna module and turns off the power of the second antenna module.

8. In paragraph 7, The above control unit, A display device that turns on the power of the first antenna section of the first antenna module, but turns off the power of the remaining antenna sections of the first antenna module.

9. In paragraph 6, The above first antenna module is located to the left of the above second antenna module, The above control box is located on the left side of the first antenna module, The above control unit, A display device that turns on the power of the first antenna module and turns off the power of the second antenna module.

10. In paragraph 9, The above control unit, A display device that turns on the power of the third antenna unit of the first antenna module, but turns off the power of the remaining antenna units of the first antenna module.

11. In paragraph 6, The second antenna section of the first antenna module detects vertical polarization, The second antenna section of the second antenna module detects horizontal polarization, The above control box, Located below the first and second antenna modules, and providing a signal having a horizontal polarization characteristic, The above control unit, A display device that turns on the power of the second antenna module while turning off the power of the first antenna module.

12. In paragraph 6, The second antenna section of the first antenna module detects vertical polarization, The second antenna section of the second antenna module detects horizontal polarization, The above control box, Located below the first and second antenna modules, and providing a signal having vertical polarization characteristics, The above control unit, A display device that turns on the power of the first antenna module and turns off the power of the second antenna module.

13. In paragraph 12, The above control unit, A display device that turns on the power of the second antenna unit of the first antenna module, but turns off the power of the remaining antenna units of the first antenna module.

14. In paragraph 1, Some of the above communication modules include: A display device protruding downward from the lower edge of the above frame.

15. In paragraph 1, The above control box: case; A rotating plate rotatably coupled to one side of the case; and A display device comprising a communication module positioned inside the case and tiltably coupled to the turntable.

Images