close

Вход

Забыли?

вход по аккаунту

?

JP2015186197

код для вставкиСкачать
Patent Translate
Powered by EPO and Google
Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2015186197
Abstract: To provide a display device capable of achieving both a narrow frame and high sound
quality. A display unit 100 includes a display unit 1 having a display panel 1a for displaying an
image, and a frame unit disposed so as to cover the peripheral edge of the surface of the display
panel 1a and having sound holes 3a penetrating in the front and back direction. 2 and a
diaphragm 4b disposed parallel to the display panel 1a in the sound hole 3a and having a square
end held by the frame 2 and disposed on the display panel 1a side with respect to the diaphragm
4b And a piezoelectric element 4a disposed on the plate 4b. [Selected figure] Figure 2
Display device
[0001]
The present disclosure relates to a display device.
[0002]
Patent Document 1 discloses a display unit for displaying an image, and one diaphragm which is
disposed in front of the display unit and is configured to allow transmission of the image
displayed on the display unit and is configured to be capable of vibrating, and vibration. The
vibrating element is disposed on one side and the other side in the horizontal direction of the
plate, and is disposed outside the area where the image of the display unit is displayed, and a
vibrating element that generates sound from the diaphragm by transmitting vibration to the
vibrating plate Disclosed is a display device comprising: a fixing member for fixing the vicinity of
the horizontal center of the diaphragm.
11-05-2019
1
[0003]
JP, 2009-232297, A
[0004]
The present disclosure provides a display device capable of achieving both a narrow frame and
high sound quality.
[0005]
A display device according to an embodiment of the present disclosure includes a display unit
having a display panel for displaying an image, a frame unit arranged to cover the peripheral
edge of the surface of the display panel, and a sound hole penetrating in the front and back
direction A diaphragm which is disposed parallel to the display panel and whose four ends are
held by the frame, and is disposed on the display panel side with respect to the diaphragm and is
disposed on the diaphragm And a piezoelectric element.
[0006]
According to the display device of the present disclosure, it is possible to achieve both a narrow
frame and high sound quality.
[0007]
FIG. 2 is a perspective view of the display device according to the first embodiment viewed from
the surface.
FIG. 2 is a cross-sectional view of the display device according to Embodiment 1 as viewed from
above.
FIG. 10 is a cross-sectional view of the display device according to Embodiment 2 as viewed from
above.
FIG. 18 is a perspective view of the display device according to the third embodiment viewed
from the surface;
11-05-2019
2
FIG. 18 is a cross-sectional view of the display device according to Embodiment 3 as viewed from
the top;
FIG. 18 is a cross-sectional view of the display device in accordance with Embodiment 4 as
viewed from above;
[0008]
Hereinafter, embodiments will be described in detail with reference to the drawings as
appropriate.
However, the detailed description may be omitted if necessary. For example, detailed description
of already well-known matters and redundant description of substantially the same configuration
may be omitted. This is to avoid unnecessary redundancy in the following description and to
facilitate understanding by those skilled in the art.
[0009]
The inventor (s) provide the accompanying drawings and the following description so that those
skilled in the art can fully understand the present disclosure, and intend to limit the subject
matter described in the claims by these. It is not something to do. Embodiment 1 [1-1.
Configuration and Operation] FIG. 1 is a perspective view of the display device according to the
first embodiment viewed from the surface.
[0010]
The display device 100 includes a display unit 1 having a display panel (not shown) for
displaying an image, and a frame 2 arranged to cover the peripheral portion of the surface of the
display panel in order to fix the display panel. The frame portion 2 includes a sound hole 3a
penetrating in the front and back direction.
11-05-2019
3
[0011]
FIG. 2 is a cross-sectional view of the display device according to the first embodiment as viewed
from the top.
[0012]
In FIG. 2, the display panel 1 a and the optical sheet 7 are sandwiched and fixed by the mold
frame 9 and the frame 2 via the cushion 6.
[0013]
The mold frame 9 includes an LED 10 serving as a light source of the display panel 1a, a light
guide plate 8 for guiding the light emitted from the LED 10 to the screen center of the display
panel 1a, and a heat sink 11 for diffusing the heat emitted from the LED 10 Hold it in place with
the fitting 12 and fix it.
[0014]
The printed circuit board 13 is fixed to the metal fitting 12, and the back cover 14 is fixed to the
metal fitting 12.
[0015]
As described above, the frame portion 2 is disposed so as to cover the peripheral portion of the
surface of the display panel 1a in order to fix the display panel 1a, and includes the sound holes
3a penetrating in the front and back direction.
[0016]
The diaphragm 4b has, for example, a film shape, and is disposed in the sound hole 3a in parallel
with the display panel 1a, and the four ends of the diaphragm 4b are gripped by the frame 2.
[0017]
The piezoelectric element 4a is disposed on the display panel 1a side with respect to the
diaphragm 4b, and is disposed on the diaphragm 4b.
[0018]
The operation of the display device 100 configured as described above will be described below.
11-05-2019
4
[0019]
The piezoelectric element 4a is connected to an audio circuit (not shown), and is configured by
overlapping a plurality of piezoelectric elements so that the piezoelectric element itself is
deformed when a voltage is applied.
When an audio signal is input to the audio circuit, a voltage is applied to the piezoelectric
element 4a in response to the input audio signal, and the piezoelectric element 4a vibrates.
When the piezoelectric element 4a vibrates, the diaphragm 4b pasting and fixing the
piezoelectric element 4a vibrates along with the vibration of the piezoelectric element 4a,
thereby reproducing an audio signal and emitting it from the sound hole 3a. To the user of.
[1−2.
Effects and the Like] As described above, in the present embodiment, the display device 100
includes the display unit 1, the frame 2, the diaphragm 4b, and the piezoelectric element 4a.
The display unit 1 has a display panel 1a that displays an image.
The frame portion 2 is disposed so as to cover the peripheral portion of the surface of the display
panel 1a, and has a sound hole 3a penetrating in the display direction.
The diaphragm 4b is disposed in the sound hole 3a in parallel with the display panel 1a, and is
gripped by the frame 2 at its four ends.
The piezoelectric element 4a is disposed on the display panel 1a side with respect to the
diaphragm 4b, and is disposed on the diaphragm 4b.
[0020]
11-05-2019
5
With the above configuration, it is possible to achieve both a narrow frame and high sound
quality. Second Embodiment [2-1. Configuration and Operation] FIG. 3 is a cross-sectional view of
the display device according to Embodiment 2 as viewed from above.
[0021]
The differences from the display device 100 of the first embodiment will be mainly described.
[0022]
In the display device 101, the frame 2 is disposed so as to cover the peripheral edge of the
surface of the display panel 1a in order to fix the display panel 1a, and includes a sound hole 3a
penetrating in the front and back direction.
[0023]
The diaphragm 5c is attached and fixed to the frame 2 via the edge 5d. The edge 5d is made of,
for example, a soft rubber material, and this configuration enables the diaphragm 5c to move up
and down.
The voice coil 5a is pasted and fixed to the diaphragm 5c, and the plate 5b, the magnet 5f and
the yoke 5e are positioned and fixed to the frame 2 by fixing and fixing the plate 5b, the magnet
5f and the fixing bracket 5g having the yoke 5e stuck and fixed thereto. The voice coil 5a is
disposed between the
The voice coil 5a, the plate 5b, the diaphragm 5c, the edge 5d, the magnet 5f, the fixing bracket
5g, and the yoke 5e constitute a speaker member.
[0024]
The operation of the display device 101 configured as described above will be described below.
[0025]
11-05-2019
6
The voice coil 5a is connected to an audio circuit (not shown), and when a voltage is applied, a
current flows through the voice coil 5a, and the magnetic flux of the magnetic circuit composed
of the magnet 5f, the plate 5b, and the yoke 5e. It vibrates by the action.
The diaphragm 5 c is also vibrated accordingly to reproduce an audio signal, which is emitted
from the sound hole 3 a and transmitted to the user of the display device 101. [2−2. Effects
and the Like] As described above, in the present embodiment, the display device 101 includes the
display unit 1, the frame 2, and the speaker member. The display unit 1 has a display panel 1a
that displays an image. The frame portion 2 is disposed so as to cover the peripheral portion of
the surface of the display panel 1a, and has a sound hole 3a penetrating in the display direction.
The speaker member is disposed in the sound hole in parallel with the display panel, and the
square end is gripped by the frame.
[0026]
With the above configuration, it is possible to achieve both a narrow frame and high sound
quality. Third Embodiment [3-1. Configuration and Operation] FIG. 4 is a perspective view of the
display device according to the third embodiment viewed from the surface.
[0027]
The display device 102 includes a display unit 1 having a display panel (not shown) for
displaying an image, and a frame 2 arranged to cover the peripheral portion of the surface of the
display panel in order to fix the display panel. The frame portion 2 is provided with a sound hole
3 b penetrating in a direction perpendicular to the front and back direction.
[0028]
FIG. 5 is a cross-sectional view of the display device according to the third embodiment as viewed
from above.
[0029]
In FIG. 5, the display panel 1 a and the optical sheet 7 are sandwiched and fixed by the mold
frame 9 and the frame 2 via the cushion 6.
11-05-2019
7
[0030]
The mold frame 9 includes an LED 10 serving as a light source of the display panel 1a, a light
guide plate 8 for guiding the light emitted from the LED 10 to the screen center of the display
panel 1a, and a heat sink 11 for diffusing the heat emitted from the LED 10 Hold it in place with
the fitting 12 and fix it.
[0031]
The printed circuit board 13 is fixed to the metal fitting 12, and the back cover 14 is fixed to the
metal fitting 12.
[0032]
As described above, the frame portion 2 is arranged to cover the peripheral portion of the
surface of the display panel 1 a and the side surface of the display unit 1 in order to fix the
display panel 1 a and penetrates in the direction perpendicular to the front and back direction.
Provided with a sound hole 3b.
[0033]
The diaphragm 4b has, for example, a film shape, and is disposed in the sound hole 3b
perpendicularly to the display panel 1a, and the four ends of the diaphragm 4b are gripped by
the frame 2.
[0034]
The piezoelectric element 4a is disposed on the display panel 1a side with respect to the
diaphragm 4b, and is disposed on the diaphragm 4b.
[0035]
The operation of the display device 102 configured as described above will be described below.
[0036]
The piezoelectric element 4a is connected to an audio circuit (not shown), and is configured by
overlapping a plurality of piezoelectric elements so that the piezoelectric element itself is
11-05-2019
8
deformed when a voltage is applied.
When an audio signal is input to the audio circuit, a voltage is applied to the piezoelectric
element 4a in response to the input audio signal, and the piezoelectric element 4a vibrates.
When the piezoelectric element 4a vibrates, the diaphragm 4b pasting and fixing the
piezoelectric element 4a vibrates according to the vibration of the piezoelectric element 4a,
thereby reproducing an audio signal and emitting the sound from the sound hole 3b. It is
transmitted to the 102 users.
[3−2.
Effects, Etc.] As described above, in the present embodiment, the display device 102 includes the
display unit 1, the frame 2, the diaphragm 4b, and the piezoelectric element 4a.
The display unit 1 has a display panel 1a that displays an image.
The frame portion 2 is disposed so as to cover the peripheral portion of the surface of the display
panel 1 a and the side surface of the display unit 1, and has a sound hole 3 b penetrating in the
direction perpendicular to the front and back direction.
The diaphragm 4 b is disposed in the sound hole 3 b so as to be perpendicular to the display
panel 1 a, and is gripped by the frame 2 at its four ends.
The piezoelectric element 4a is disposed on the display panel 1a side with respect to the
diaphragm 4b, and is disposed on the diaphragm 4b.
[0037]
With the above configuration, it is possible to achieve both a narrow frame and high sound
quality. Fourth Embodiment [4-1. Configuration and Operation] FIG. 6 is a cross-sectional view of
11-05-2019
9
the display device according to the fourth embodiment viewed from the top.
[0038]
The display device 103 is configured to cover the sound hole 3b in a substantially L shape with
respect to the display device 102 described in FIG. 5, and emits sound from the sound hole 3b to
the opposite side to the display panel 1a with respect to the diaphragm 4b. And a reflector 15 for
guiding the sound to be displayed to the surface side of the display panel 1a. [4−2. Effects
and the Like] As described above, in the present embodiment, the display device 103 includes the
reflecting plate 15 in addition to the display device 102. The reflection plate 15 is configured to
cover the sound hole 3b in a substantially L shape, and the sound emitted from the sound hole
3b to the opposite side to the display panel 1a with respect to the diaphragm 4b is directed to
the surface side of the display panel 1a. Induce.
[0039]
According to the above configuration, it is possible to achieve both a narrow frame and high
sound quality, and by providing the sound hole on the side surface of the display device, the
design can be improved. Other Embodiments As described above, the embodiments have been
described as examples of the technology disclosed in the present application. However, the
technology in the present disclosure is not limited to this, and is also applicable to embodiments
in which changes, replacements, additions, omissions, and the like are appropriately made.
Moreover, it is also possible to combine each component demonstrated by the said embodiment,
and to set it as a new embodiment.
[0040]
Therefore, other embodiments will be exemplified below.
[0041]
In the above embodiment, for example, the example in which the sound holes are provided in the
left and right frame portions of the display device has been described.
11-05-2019
10
However, the upper and lower frames may have the same configuration.
[0042]
As described above, the embodiment has been described as an example of the technology in the
present disclosure. For that purpose, the attached drawings and the detailed description are
provided.
[0043]
Therefore, among the components described in the attached drawings and the detailed
description, not only components essential for solving the problem but also components not
essential for solving the problem in order to exemplify the above-mentioned technology May also
be included. Therefore, the fact that those non-essential components are described in the
attached drawings and the detailed description should not immediately mean that those nonessential components are essential.
[0044]
In addition, since the above-described embodiment is for illustrating the technique in the present
disclosure, various modifications, replacements, additions, omissions, and the like can be made
within the scope of the claims or the equivalents thereof.
[0045]
The present disclosure is applicable not only to television receivers (operation of the present
disclosure) but to all video display devices.
Specifically, the present disclosure is applicable to tablet terminals, smartphones, video monitors,
and the like.
[0046]
DESCRIPTION OF SYMBOLS 1 display part 1a display panel 2 frame part 3a sound hole 3b sound
11-05-2019
11
hole 4a piezoelectric element 4b diaphragm 5a voice coil 5b plate 5c diaphragm 5d edge 5e yoke
5f magnet 5g fixing bracket 6 cushion 7 optical sheet 8 light guide plate 9 mold frame 10 LED
11 Heat sink 12 Bracket 13 Printed circuit board 14 Back cover 15 Reflector
11-05-2019
12
Документ
Категория
Без категории
Просмотров
0
Размер файла
20 Кб
Теги
jp2015186197
1/--страниц
Пожаловаться на содержимое документа