JP2015144338

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DESCRIPTION JP2015144338
Abstract: To provide a display device that can be carried without providing a dedicated handle
while preventing damage to the speaker body. SOLUTION: A display module, a rear cabinet 8
covering the back surface of the display module, a speaker body provided on the back surface of
the display module, an outward projecting from the rear cabinet to cover the speaker body and
an opening 13 at the tip A speaker cover 10 rectifies the flow of sound output from the speaker
body downward, and a plurality of sound output holes 16a are formed, and a lid 14 closing the
opening of the speaker cover. [Selected figure] Figure 3
Display device
[0001]
The present invention relates to a display device, and more particularly to a display device of a
portable structure without providing a dedicated handle.
[0002]
A display device such as a flat-screen television has a display module including, for example, a
liquid crystal panel, a light emitting diode (LED) light source, and the like.
A front cabinet is provided around the display module, and the rear side of the display module is
covered by the rear cabinet. And the structure which installed the handle for carrying in the back
cabinet is known. Here, when the thickness of the handle is larger than the thickness of the
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display device, the thin display of the display device is hindered, and in the case of wall
installation, the display device is disturbed such that the display device faces downward by the
thickness of the handle.
[0003]
For example, Patent Document 1 discloses a display device without a handle. An installation hole
of the speaker main body is formed on the side surface of the display device, and it may be
possible to form the installation hole so as to be accessible by hand in order to construct a
portable display device.
[0004]
Japanese Utility Model Application Publication No. 64-008896
[0005]
However, in the structure of Patent Document 1, when the installation hole of the speaker body
is formed to be accessible by hand, it is difficult to grasp the installation hole by hand at the time
of unpacking, so it becomes difficult to take out the display device from the box.
In addition, there is a problem that the finger tip easily touches the speaker main body, which
may damage the speaker main body.
[0006]
The present invention has been made in view of the above-described circumstances, and an
object of the present invention is to provide a display device that can be carried without
providing a dedicated handle while preventing damage to the speaker body.
[0007]
In order to solve the above problems, according to a first technical means of the present
invention, a display module, a rear cabinet covering the rear surface of the display module, a
speaker main body provided on the rear surface of the display module, and the rear cabinet A
speaker cover that protrudes outward to cover the speaker body and has an opening at the tip to
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rectify the flow of sound output from the speaker body downward, and a plurality of sound
output holes are formed, the speaker cover And a lid for closing the opening of the cover.
[0008]
A second technical means is characterized in that in the first technical means, the opening of the
speaker cover extends along the normal to the back surface of the display module.
[0009]
A third technical means is characterized in that in the first technical means, the opening of the
speaker cover is inclined downward with respect to the normal to the back surface of the display
module.
[0010]
According to the present invention, since the speaker cover protrudes outward from the rear
cabinet, if the speaker cover is grasped by hand, the display device can be easily taken out of the
box at the time of unpacking.
In addition, when the speaker cover is grasped by hand, the finger touches the lid, which makes
the display easier to carry than in the case where the lid is not provided.
Furthermore, since the fingertip does not touch the speaker body, the speaker body can be
prevented from being damaged.
[0011]
It is a figure which shows an example of the external appearance of the display apparatus by this
invention.
It is a figure which shows an example of the external appearance of the display apparatus by this
invention.
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It is the figure which expanded the speaker periphery of the display apparatus by Embodiment 1
of this invention. It is the figure which expanded the speaker periphery of the display apparatus
by Embodiment 2 of this invention. It is the figure which expanded the speaker periphery of the
display apparatus by a reference example.
[0012]
Hereinafter, with reference to the accompanying drawings, a preferred embodiment according to
a display device of the present invention will be described. 1 and 2 show an example of the
appearance of a display device according to the present invention, FIG. 1 shows a front view, a
side view and a plan view of the display device, and FIG. 2 shows a rear view of the display
device. . The display device 1 is, for example, a wall-mounted liquid crystal display device, and
includes a panel module 3 including a liquid crystal panel 4 and the like. A front cabinet 2 is
provided around the panel module 3, and the rear side of the panel module 3 is covered by the
rear cabinet 8.
[0013]
The liquid crystal panel 4 has a structure in which liquid crystal is sandwiched between two glass
substrates, and the alignment state of liquid crystal molecules forming the liquid crystal is
controlled, whereby light emitted from the light guide plate in the panel module 3 is It has a
function as an optical shutter that controls transmission / cutoff. The front cabinet 2 is formed,
for example, in a frame shape made of resin, and provided around the panel module 3.
Specifically, the front cabinet 2 has a frame shape in which the upper surface 2a, the left surface
2b, the lower surface 2c, and the right surface 2d are connected to form a frame shape, and is
opposed to the peripheral edge of the panel module 3.
[0014]
The rear cabinet 8 is also made of resin, for example, and covers the rear side of the panel
module 3. The rear cabinet 8 is provided with a power switch, a cord lead-out portion for pulling
out a power cord from the power supply substrate side, a terminal lead-out portion for pulling
out various connection terminals from the main substrate side, etc. Ventilation holes are also
formed. The panel module 3 has an optical sheet, a light guide plate, a reflective sheet and the
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like on the back side of the liquid crystal panel 4 and has a rear chassis on the back side of the
reflective sheet. The panel module corresponds to the display module of the present invention.
[0015]
The optical sheet is formed of, for example, two microlens sheets and one brightness
enhancement sheet, and has functions such as homogenization of light emitted from the light
guide plate and improvement of brightness in the front direction. The light guide plate is formed
of a transparent resin such as acrylic, and emits, for example, light from an edge light type LED
light source to the liquid crystal panel 4 positioned on the front side. The reflective sheet has a
function of, among the light emitted from the LED light source, reflecting light which is not
incident on the light guide plate and causing the light to be incident on the light guide plate. The
rear chassis holds the light guide plate, the reflection sheet and the like, and functions as a
mount for these.
[0016]
For example, two speaker units 9 are attached to the back of the panel module 3. Specifically, as
shown in FIG. 2, the speaker units 9 are provided in the vicinity of the lower surface 2 c of the
front cabinet 2 and in the vicinity of the left surface 2 b and in the vicinity of the right surface 2
d. The speaker unit 9 has, for example, a downward facing speaker main body held by a frame or
the like, and left and right ends of the frame are screwed to the back surface of the panel module
3.
[0017]
More specifically, FIG. 5 is an enlarged view around a speaker of a display device according to a
reference example, and shows a bottom view. In the example of the speaker unit in which the
opening 33 is not closed by the lid, a frame 9b having a downward facing speaker main body 9a
and an elliptical opening from the opening 33 and holding the periphery of the speaker main
body 9a And a unit support portion 9c for covering the back and side surfaces of the frame 9b
and fixing the speaker main body 9a to the back surface of the panel module 3, and screwing
portions 9d provided on both left and right sides of the frame 9b. There is.
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[0018]
Note that a speaker body directed rearward may be provided, which contributes more to the
reduction in thickness of the display device as compared to the case where the speaker body
directed downwards is provided. 1 and 2 show a wall-mounted display device, the speaker unit is
provided near the lower surface 2c, but in the case of the stand installation type, the speaker unit
is provided at an intermediate position between the upper surface 2a and the lower surface 2c.
May be
[0019]
Embodiment 1 FIG. 3 is an enlarged view of the periphery of a speaker of a display device
according to Embodiment 1 of the present invention, and FIG. 3A shows a perspective view seen
from below, and FIG. Figure shows. The speaker unit 9 includes a metal speaker cover 10 that
covers the speaker body, the frame, and the like. The speaker cover 10 protrudes outward from
the rear cabinet 8 and has a function of rectifying the flow of sound output from the speaker
main body downward.
[0020]
More specifically, the speaker cover 10 includes, for example, the fixing portions 11a, 11b, and
11d, the protruding portion 12, and the opening 13. The fixing portions 11a, 11b, and 11d
extend in the upper, left, and right directions, respectively, and are formed so as to be fixed to the
rear cabinet 8 with screws or rivets. The projecting portion 12 is continuous with the fixing
portions 11 a, 11 b and 11 d in a bent state, protrudes outward from the rear cabinet 8, and
extends downward of the rear cabinet 8.
[0021]
In addition, as shown in FIG. 3, a pressing portion 15 is provided which is continuous with the
upwardly extending fixing portion 11a in a bent state, and this pressing portion 15 presses the
central portion of the projecting portion 12 toward the back surface of the panel module 3. It
may be done. The opening 13 is formed at the tip portion of the protrusion 12 and extends in the
example shown in FIG. 3 along the normal to the back surface of the panel module 3, in other
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words, perpendicular to the back surface of the panel module 3 .
[0022]
The opening 13 is closed by a metal cover 14. The lid 14 includes a fixing portion 11 c and a lid
portion 16. The fixing portion 11 c extends downward, and is formed so as to be fixable to the
rear cabinet 8 with a screw or a rivet. The lid portion 16 shown in FIG. 3 is connected to the
fixing portion 11c in a bent state, and is formed in a flat shape extending along the normal to the
back surface of the panel module 3, and a plurality of sound outputs are provided at the center
position thereof. A hole 16 a is provided through the lid 16. The sound output hole 16a
preferably has a diameter of 5 mm or less, for example, in consideration of the point of touching
the later-described fingertip.
[0023]
As described above, since the speaker cover 10 protrudes outward from the rear cabinet 8, if the
speaker cover 10 is grasped by hand, the display device 1 can be easily taken out of the box at
the time of unpacking. In addition, when holding the speaker cover 10 by hand and carrying the
display device 1, the fingertip touches the lid 14, which makes the display device easier to carry
than in the case where the lid is not provided. Furthermore, since the fingertip does not touch the
speaker body, the speaker body can be prevented from being damaged.
[0024]
In addition, since the finger touches the sound output hole 16a of the lid 14, it becomes difficult
to slip. Furthermore, the speaker cover 10 having the flat opening 13 is easier to manufacture as
compared to the case of forming it by a curve. In this embodiment, the speaker cover 10 and the
lid 14 fixed to the rear cabinet 8 with screws or the like are described as an example. However,
the speaker cover and the lid may be integrally formed with the rear cabinet.
[0025]
Second Embodiment FIG. 4 is an enlarged view around a speaker of a display device according to
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a second embodiment of the present invention, and shows a side view. The speaker cover 20 of
this example also has a protrusion 22 and protrudes outward from the rear cabinet 8 and
extends downward of the rear cabinet 8, but the opening 23 shown in FIG. Inclined downward
with respect to the back surface normal.
[0026]
The opening 23 is also closed by a lid, and the lid is formed in a shape inclined downward with
respect to the normal to the back surface of the panel module 3. In addition, you may form in the
flat shape similar to the cover part 16 of the said Embodiment 1. FIG. In this way, if the shape of
the speaker cover 20 is inclined downward as the opening 23 moves away from the back surface
of the panel module 3, it resembles the posture of a hand whose finger is bent upward, It
becomes easier to carry the display device.
[0027]
In each of the above embodiments, the liquid crystal panel module of the liquid crystal television
has been described as an example, but the present invention is not limited thereto, and can be
applied to other display devices. The display portion may have a module structure, and may be
organic EL, plasma or the like.
[0028]
DESCRIPTION OF SYMBOLS 1 ... display apparatus 2 ... front cabinet, 2a ... upper surface, 2b ...
left surface, 2c ... lower surface, 2d ... right surface, 3 ... panel module, 4 ... liquid crystal panel, 8
... back cabinet, 9 ... speaker unit, 9a ... speaker main body , 9b: frame, 9c: unit support portion,
9d: screwing portion, 10, 20: speaker cover, 11a, 11b, 11c, 11d: fixing portion, 12, 22: projecting
portion, 13, 23, 33: opening 14: Lid, 15: Presser, 16: Lid, 16a: Hole for sound output.
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