JP2014182326A - Thin display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique for mounting a communication module having one of a plurality of different kinds of forms in a cabinet of the same type of a thin display device.SOLUTION: A communication unit fixation part 40 is provided on a cabinet reverse surface 22 of a lower area of a display panel module 12 (display panel chassis 13). As shown in Fig. 2(a), an IR communication unit 92 is fitted to a communication unit fixation part 40 on the cabinet reverse surface 22 directly in plane arrangement. As shown in Fig. 2(b), on the other hand, a BT communication unit 94 is fitted to the cabinet reverse surface 22 indirectly using a detachable attachment 50.

Description

  The present invention relates to a thin display device, and more particularly to a thin display device including a communication unit.

  A thin display device represented by a liquid crystal television is equipped with various communication units such as an IR communication unit of a remote control device, an RF communication unit for communication with dedicated glasses for viewing 3D images, and a wireless LAN communication unit. It tends to be.

  These communication units are appropriately selected according to the destination, market launch timing, and the like, and desired ones are mounted.

  Various techniques have been proposed for mounting circuit boards such as communication units. For example, there is a technique that allows a wiring board holder to be shared both when the wiring board is installed in a horizontal position and when it is installed in a vertical position (see, for example, Patent Document 1).

JP 2006-19619 A

  By the way, when the specification of the liquid crystal television is changed, the appearance of the cabinet or the like is not changed, and the mounted communication unit may be changed. In this case, if the shape of the communication unit is significantly changed, a new communication unit may not be attached in the communication unit attachment structure before the model change, and a countermeasure technique has been demanded. In particular, in the case of a structure in which a predetermined fixing portion is provided in a cabinet to fix a communication unit, there may be a situation in which the mold for forming the cabinet has to be changed even though the appearance is not changed. In addition, even among models that are put on the market at the same timing, there is a need for a technology that can flexibly share the mounting structure when the cabinets are common and the communication units mounted are different.

  In the technique disclosed in Patent Document 1, in order to attach a substrate to an apparatus housing (cabinet), a holder that matches the shape of the substrate is used to realize a plurality of attachment methods. However, it is a technique especially for a switch structure, and cannot be applied as it is to a communication unit mounting structure that needs to consider interference such as signals, and another technique has been demanded. In addition, the same problem has been encountered in the recent thin display devices that are becoming narrower.

  This invention is made | formed in view of such a condition, Comprising: It aims at providing the technique which solves the said subject.

The thin display device of the present invention has a communication unit in which a communication module is mounted on one surface of a substrate, the substrate is attached to a back surface of a cabinet at a predetermined angle or more, and the communication module is a metal Arranged on the substrate surface facing away from the structure.
An attachment for detachably fixing the cabinet and holding the communication unit may be provided.
In addition, the cabinet may include a fixing unit that detachably fixes the attachment, and the fixing unit may be arranged with a communication unit different from the communication unit facing the back surface of the cabinet.
Further, the metal structure may be a metal of a display module.

  ADVANTAGE OF THE INVENTION According to this invention, the technique which mounts the communication module which is exhibiting the multiple types of different form in the same type cabinet in a thin display apparatus can be provided.

It is a figure which shows the liquid crystal television based on embodiment. It is AA sectional drawing of FIG. 1 based on embodiment. It is a figure which shows the communication unit fixing | fixed part of the cabinet back surface based on embodiment. It is a figure which shows the unit attachment attachment based on embodiment. It is a perspective view which shows the state by which the BT communication unit was attached to the communication unit fixing | fixed part based on embodiment via the unit attachment attachment. It is a perspective view which shows the state by which the unit attachment attachment was attached to the communication unit fixing | fixed part based on embodiment.

  Next, modes for carrying out the present invention (hereinafter, simply referred to as “embodiments”) will be specifically described with reference to the drawings.

  FIG. 1 is a front view of a liquid crystal television 10 according to the present embodiment. As illustrated, the liquid crystal television 10 includes a frame-shaped resin-made front cabinet 20 on the front surface of the display panel module 12. A decorative panel 30 is attached to the front surface of the lower portion of the front cabinet 20.

  FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, and particularly shows an attachment portion of a communication unit (a substrate circuit on which a communication module is mounted). FIG. 2A shows a state where the IR communication unit 92 is attached. FIG. 2B shows a state where the BT communication unit 94 is attached.

  A communication unit fixing portion 40 is provided on the cabinet back surface 22 in the lower region of the metal display panel chassis 13. The communication unit fixing portion 40 is provided on the cabinet back surface 22 side in the area where the decorative panel 30 is attached. Further, the rear side of the display panel module 12 is covered with a rear cabinet 16. Further, for example, there is a backlight chassis as the display panel chassis 13.

  As shown in FIG. 2A, the IR communication unit 92 for performing infrared (IR) communication is directly attached to the communication unit fixing part 40 on the cabinet back surface 22. The IR communication unit 92 is attached in such a manner that its substrate surface faces the cabinet back surface 22. That is, the substrate surface is directed vertically (or backward).

  On the other hand, as shown in FIG. 2B, the BT communication unit 94 for performing Bluetooth (registered trademark) communication is indirectly attached to the cabinet back surface 22 using a detachable attachment 50 for attaching the unit. Yes. The attachment mode of the BT communication unit 94 is an arrangement in which the BT communication unit 94 stands vertically with respect to the cabinet back surface 22 by using the attachment 50. That is, the substrate surface (BT substrate 95 in FIG. 4A) is horizontal.

  FIG. 3 is a perspective view showing the communication unit fixing portion 40 formed on the cabinet back surface 22. As shown in the figure, a pair of communication unit fixing portions 40 are formed extending rearward from the cabinet back surface 22. Between the two communication unit fixing portions 40, the IR communication unit 92 or the attachment 50 described above is attached.

  Therefore, the shape of the IR communication unit 92 is substantially the same as the distance between the two communication unit fixing portions 40 in the longitudinal direction. More specifically, the communication unit fixing portion 40 includes a substrate support portion 41 on which the substrate surface of the IR communication unit 92 is placed and a key-shaped locking piece 42 that holds the substrate surface from above. Insert the left and right ends. Moreover, when the attachment 50 mentioned later in FIG. 4 is attached, the left-right edge part of the substantially rectangular attachment base part 51 is inserted | pinched.

  4 is a perspective view showing the attachment 50. FIG. 4 (a) shows a state in which the BT communication unit 94 is attached, and FIG. 4 (b) shows a state in which the BT communication unit 94 is not attached. Yes. FIG. 5 is a perspective view showing a state in which the attachment 50 of FIG. 4A is attached to the communication unit fixing portion 40. Further, FIG. 6 is a perspective view showing a state in which the attachment 50 of FIG. 4B is attached to the communication unit fixing portion 40.

  The attachment 50 is a resin molded product, and includes an attachment base portion 51, fixing portions 52 a and 52 b, a unit holding portion 53, a substrate end insertion portion 56, and a substrate support portion 58.

  The attachment base 51 has a rectangular shape that is substantially the same shape as the substrate of the IR communication unit 92 described above, and is attachable to and detachable from the communication unit fixing portion 40 in the same manner as the IR communication unit 92. Here, fixing portions 52 a and 52 b, a unit holding portion 53, a substrate end portion insertion portion 56, and a substrate support portion 58 are formed so as to be symmetric with respect to the attachment base portion 51.

  More specifically, a substrate end insertion portion 56 is formed near the end of the attachment base portion 51. A groove having a predetermined depth with the inner and upper sides opened is formed in the substrate end portion insertion portion 56. The entrance of this groove is a slope so that the end of the attachment base 51 can be easily inserted. Near the center of the left and right, two substrate support portions 58 that are in contact with one side surface of the BT substrate 95 of the BT communication unit 94 are formed in a convex shape in cross section.

  In the attachment base portion 51, an opening is formed in an inner portion of each substrate end portion insertion portion 56. In one opening, a plate-like fixing portion 52a extending to the opening is formed, and in the other opening, a fixing portion 52b having a shape in which the surface of the attachment base portion 51 is lowered by one step is formed. As shown in FIGS. 5 and 6, the communication unit fixing portion 40 (locking piece 42) is locked to the fixing portions 52 a and 52 b, so that the attachment 50 is attached to the communication unit fixing portion 40, that is, the cabinet back surface 22. Removably fixed to.

  A unit holding portion 53 is formed on the center side of the fixing portions 52a and 52b, that is, between the substrate support portion 58 and the fixing portions 52a and 52b.

  The unit holding portion 53 includes a column portion 54 that extends vertically from the attachment base portion 51, and a key-shaped locking portion 55 formed at the tip of the column portion 54. The column portion 54 extends vertically from the attachment base portion 51, that is, rearward from a position slightly offset above the line connecting the two substrate end portion insertion portions 56. The locking portion 55 projects in a key shape from the tip of the column portion 54 toward the line connecting the two substrate end portion insertion portions 56.

  When the BT communication unit 94 is attached to the attachment 50, the unit holding portion 53 (the locking portion 55) is the side surface in the longitudinal direction of the BT substrate 95 (the side surface opposite to the side surface that contacts the substrate support portion 58). ).

  Here, when the BT communication unit 94 is attached to the attachment 50, the BT communication module 96 is disposed on the lower surface of the BT substrate 95 as shown in FIG. 4A and FIG. That is, the BT communication module 96 is disposed on the opposite side of the display panel chassis 13 with the BT substrate 95 interposed therebetween. By adopting such a configuration, it is possible to suppress radio waves output from the BT communication module 96 from interfering with the metal display panel chassis 13.

  Further, the mounting direction of the BT communication unit 94 can be adjusted by appropriately setting the shape and direction of the unit holding portion 53 and the substrate end insertion portion 56 formed in the attachment base portion 51. That is, in the above-described configuration, the attachment 50 is formed so that the unit holding portion 53 is perpendicular to the attachment base portion 51, in other words, the BT substrate 95 is parallel to the horizontal plane. However, for example, the unit holding portion 53 and the substrate end insertion portion 56 can be formed so that the BT substrate 95 is inclined with respect to the horizontal plane and the BT communication module 96 is directed to the front side. That is, the BT substrate 95 is attached in a state where it stands at a predetermined angle or more with respect to the cabinet back surface 22, and it becomes easy to adjust the output characteristics of the BT communication unit 94 as desired.

  Interference between the BT communication module 96 and the display panel module 12 may occur when the final specification of the liquid crystal television 10 is fixed. Further, the signal intensity at a position away from the liquid crystal television 10 by a predetermined distance may not be a design value. Even in such a case, it is not necessary to change the design of the front cabinet 20 which is a large structure, and it can be dealt with by changing the attachment 50 which is a small structure (changing the installation direction of the BT communication module 96, etc.). In addition, when manufacturing the BT communication module 96 and the like by procuring it from outside, there are cases where the shape of the BT substrate 95 must be changed, but this case can be handled only by changing the attachment 50 and is flexible. It can respond to specification changes. Furthermore, the same applies when changing to a communication unit such as WiFi other than the BT communication unit 94.

  Thus, according to the liquid crystal television 10 of the present embodiment, the front cabinet 20 that is a large component is used even when the communication unit has a different form such as the IR communication unit 92 or the BT communication unit 94. This can be accommodated by the attachment 50 which is a small component without changing the design.

  It should be understood by those skilled in the art that each of the above-described embodiments is an example, and various modifications can be made to combinations of these components, and that such modifications are within the scope of the present invention. is there. For example, the communication unit mounting portion 40 is provided on the cabinet back surface 22 of the front cabinet 20, but may be configured to be provided in another cabinet.

10 LCD TV 12 Display panel module (display module)
13 Display panel chassis 16 Rear cabinet 20 Front cabinet 22 Cabinet back surface 30 Decoration panel 40 Communication unit fixing part 41 Board support part 42 Locking piece 50 Attachment 51 Attachment base part 52a, 52b Fixing part 53 Unit holding part 54 Pillar part 55 Locking Part 56 board edge part insertion part 58 board support part 92 IR communication unit 94 BT communication unit 95 BT board 96 BT communication module

Claims (4)

Having a communication unit with a communication module mounted on one side of the board,
The substrate is attached to the back of the cabinet at a predetermined angle or more,
The thin display device, wherein the communication module is arranged on a substrate surface opposite to the metal structure.   The thin display device according to claim 1, further comprising an attachment that is detachably fixed to the cabinet and holds the communication unit. The cabinet includes a fixing unit that detachably fixes the attachment,
The thin display device according to claim 2, wherein the fixing unit can be arranged such that a communication unit different from the communication unit is opposed to a back surface of the cabinet.   4. The thin display device according to claim 1, wherein the metal structure is a metal of a display module.

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