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JP2006217307

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DESCRIPTION JP2006217307
The present invention provides an image display apparatus capable of generating a sound field
having no sense of incongruity with a display image even when the image displayed on the
display surface is vertically / horizontally reversed or rotated 90 degrees left / right. . A plurality
of transparent speakers 11a to 11i are arranged on a display surface so as to divide the display
surface. An image inverting / rotating means for inverting the image projected on the display
surface vertically or horizontally or rotating 90 degrees horizontally, and a plurality of speakers
11a to 11i according to the image inverting or rotating by the image inverting / rotating means
And audio output switching means for switching the audio output from the speaker to the
speaker in the inverted or rotated position. [Selected figure] Figure 1
Image display with speaker
[0001]
The present invention relates to a speaker-equipped image display device, and more particularly
to a speaker-equipped image display device having a function of inverting or rotating a display
screen.
[0002]
Conventionally, in an image display device used for a television receiver or the like, or an image
display device used for a computer such as a personal computer (PC), an image displayed on the
screen is also reversed or rotated according to the reversal or rotation of the device. There is one
having a function (see, for example, Patent Document 1).
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[0003]
The display device described in Patent Document 1 can be set to be switched between a display
state in which a normal image is displayed and a display state in which an image inverted
horizontally is displayed on the front side and the back side. Even when viewed from either side,
it is possible to obtain a normal image.
This image inversion function allows, for example, a normal image not to invert characters or the
like from either the front or back surface of the liquid crystal panel by making it possible to
attach a reflector and a backlight from either side of the liquid crystal panel. Make it possible to
look at it.
Furthermore, this image inverting function makes it possible to display on the screen an image
that is horizontally inverted when viewing an image through a mirror to a customer in various
places including a barber.
[0004]
In addition, as a similar image inversion function, a technique is also proposed in which the
device is hung upside down in various places such as a school classroom or a karaoke place, and
an image vertically and horizontally reversed is displayed on the screen when viewing by a
viewer. It is done. Furthermore, there is also a technology for projecting an image corresponding
to the display screen on the screen even when the display screen is rotated 90 degrees left /
right as well as vertically / horizontally flipped the display screen.
[0005]
On the other hand, with regard to image display and audio output in an image display device, a
technology has been proposed in which a transparent speaker is attached to the front of the
display to make the entire display device compact (for example, described in Patent Document 2).
Patent Document 2 discloses a flat panel display of liquid crystal or CRT mounted with a
translucent flat speaker, and the appearance thereof is, as shown in FIG. 2, plural on the front
surface of the display 10 of the display unit 1. The flat speakers 11a to 11i are mounted.
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[0006]
The display device 1 illustrated here has nine transparent flat speakers mounted on the front
face of the display 10 so that the display surface is divided into nine vertically and horizontally,
but the number of speakers is not limited to nine, and is further increased You may also reduce
it. In the display device described in Patent Document 2, it is an object to emit different sounds
from the speakers 11a to 11i at the top, bottom, left, and right to bring about an effect of
increasing the sense of reality. For example, when a car crosses a screen, a flat speaker that emits
a sound can also be switched one after another in accordance with the movement of the car to
increase the realism of the sound.
[0007]
In addition, even if multi-channel audio signals based on the use of a plurality of transparent
speakers are input, reproduction is possible without being limited to the number of transparent
speakers, and reproduction is possible without losing the sense of reality as much as possible. An
information display apparatus with a transparent speaker has also been proposed (see, for
example, Patent Document 3). In the display device described in Patent Document 3, for example,
when software (for example, DVD software) including data is reproduced, an audio signal of the
digital audio interface standard is input to the DI terminal of the external input, and the
conversion table is internally provided. The number of channels of the input audio signal is
determined, and the number of channels is converted or not converted on the basis of the
determined number of channels and the number-of-channels information of the apparatus
internally provided. As described above, in the display device described in Patent Document 3, a
plurality of transparent speakers are disposed on the display surface so as to divide the display
surface, and the information with the transparent speaker capable of displaying information and
generating sound is provided. The display device is provided with means for correlating the input
channel in the speaker control information of the input signal with the device channel of the
mounted transparent speaker. Patent No. 2527484 Patent No. 2559405 Japanese Patent
Application Laid-Open No. 2002-281414
[0008]
As described above, although the reverse display of the screen of the image display device can be
easily switched in the prior art, the speaker is inverted or rotated as the device is inverted or
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rotated, so that the display is performed as the device is inverted or rotated. Even if the screen is
flipped or turned, the viewer will feel uncomfortable with the sound. In particular, in an image
display apparatus in which a transparent speaker is attached to the front of the display, the
visual connection between the display surface and the display surface is strong, which makes the
audio discomfort particularly large, and the larger the screen, the larger the discomfort. Will
occur.
[0009]
The present invention has been made in view of the above-described circumstances, and it is a
sound without discomfort to the display image even when the image displayed on the display
surface is vertically / horizontally reversed or rotated 90 degrees horizontally. An object of the
present invention is to provide an image display device capable of generating a place.
[0010]
The present invention is configured by the following respective technical means in order to solve
the problems as described above.
A first technical means is an image display apparatus with a speaker including a plurality of
speakers, which is an image inverting / rotating means for inverting an image displayed on a
display surface vertically or horizontally or rotating it 90 degrees horizontally; Audio output
switching means is provided for switching the sound output from each of the plurality of
speakers to the speaker at the inverted or rotated position in accordance with the inversion or
rotation of the image by the image inverting / rotating means. It is
[0011]
A second technical means is the image display apparatus with a speaker according to the first
technical means, in which a plurality of transparent speakers are arranged on the display surface
so as to divide the display surface, and is displayed on the display surface Image inverting /
rotating means for inverting an image vertically or horizontally or rotating 90 degrees
horizontally, and sound output from each of the plurality of speakers according to inversion or
rotation of the image by the image inverting / rotating means And an audio output switching
means for switching the speaker to the speaker at the inverted or rotated position.
[0012]
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A third technical means is characterized in that, in the first or second technical means, the
plurality of speakers and the display surface are integrally formed.
[0013]
A fourth technical means is characterized in that, in the first or second technical means, the
plurality of speakers and the display surface are configured separately.
[0014]
A fifth technical means is characterized in that, in the first or second technical means, the
speaker and the display surface are separately structured and provided in proximity to each
other.
[0015]
A sixth technical means is characterized in that, in any one of the first to fifth technical means,
the display surface is constituted by a flat display panel.
[0016]
According to the present invention, it is possible to generate a sound field having no sense of
incongruity with a display image even when the image displayed on the display surface is
vertically / horizontally reversed or rotated 90 degrees left / right.
[0017]
The image display apparatus with a speaker concerning this invention shall be equipped with the
function to reverse or rotate the image shown on a display surface as the premise, and also
enables audio switching between a plurality of speakers.
The display surface of the image display apparatus with a speaker according to the present
invention may be constituted by a CRT display, but it is space-saving that it is constituted by a
flat display panel such as LCD, PDP, organic EL, FED panel etc. It is preferable from the point of
view.
Further, the image display apparatus according to the present invention is applicable not only to
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a television receiver but also to any image display apparatus such as a monitor of a PC etc., and
can be said to be an information display apparatus since it displays some information.
Furthermore, the image display apparatus with a speaker according to the present invention is
suitable for an image display apparatus with a transparent speaker used for a television receiver,
a PC or the like.
Further, the present invention is for generating a sound field having no sense of incongruity with
a display image, and in particular, in a large-sized image display apparatus, the effect thereof is
maximally exhibited.
[0018]
FIG. 1 is a schematic front view showing an example of the configuration of an image display
apparatus with a speaker according to an embodiment of the present invention, and FIG. 2 is a
perspective view of the image display apparatus of FIG.
In FIG. 1 and FIG. 2, 1 is an image display apparatus with a speaker, 10 is a display, 11a-11i is a
transparent speaker, 12 is a transparent frame, 13 is a cabinet.
[0019]
The transparent speaker 12 illustrated in FIGS. 1 and 2 has the transparent frame 12 mounted
on the display 10 serving as the display surface, and the transparent speaker 12 further includes
transparent speakers A to I (11a to 11i). ) And the display 10 and the transparent speakers 11a
to 11i are incorporated in the cabinet 13.
Thus, the transparent frame 12 is disposed on the display surface of the display 10 and attached
to the cabinet 13. In the transparent frame 12, an example is shown in which each of the
transparent speakers A to I (11a to 11i) is attached to a total of nine in total, three in the
horizontal direction and three in the vertical direction as illustrated. However, the number of the
transparent speakers is not limited to nine and may be plural, and the arrangement thereof is not
limited to that illustrated. Furthermore, a configuration may be adopted in which transparent
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speakers corresponding to all the pixels of the display 10 are provided. Further, the display
device with the transparent speaker according to the present embodiment is not limited to the
number of the transparent speakers, and the appearance thereof is not limited to those
illustrated in FIGS. 1 and 2.
[0020]
Further, as an image display apparatus with a speaker according to the present embodiment, a
form in which a plurality of speakers 11 and a display surface (display unit) are formed in an
integrated structure, a form formed in another structure, and FIG. As exemplified in the above,
any form may be adopted among the forms in which the speaker is provided in the vicinity of the
rear surface or the front surface of the display surface.
[0021]
The image display apparatus with a transparent speaker according to the present embodiment is
an apparatus in which a plurality of transparent speakers are arrayed so as to divide the display
surface on the display surface as illustrated, and an image displayed on the display surface Is
provided with an image inverting / rotating means for inverting vertically or horizontally, or
rotating 90 degrees horizontally.
As the image inverting / rotating means, means for inverting or rotating the image on the display
surface in the related art may be applied for display, and as for the means for audio output to
each speaker, the prior art may be appropriately used. It should be configured. However, the
image display apparatus with a transparent speaker according to the present embodiment has, as
its main feature, inversion of the sound output from each of the plurality of speakers according
to the inversion or rotation of the image by the image inversion / rotation means. Alternatively,
an audio output switching means for switching to the speaker at the rotated position is provided.
Therefore, it can be said that this audio output switching means is means for switching the
respective speaker characteristics (low band, high band, channel, etc.) in accordance with the
contents of the displayed screen. Also, the plurality of speakers to be incorporated may be stereo
speakers or surround speakers. The audio output switching means switches the left and right
channels, for example, in accordance with the left / right switching of the display screen.
[0022]
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As described above, in the information display apparatus with transparent speaker according to
the present embodiment, a plurality of transparent speakers are arranged on the display surface
so as to divide the display surface into areas, and display an image (information) and sound. It
can be generated, and a normal image is displayed on the screen and an inverted image is
displayed up / down / right / left (or up / down and left / right) (or rotated 90 degrees to either
left or right) When switching to a state where an image is displayed, the sound (position of the
sound source) is also vertically flipped / horizontally flipped (or rotated 90 ° to either left or
right) according to the image, thereby providing a display screen Realize a sound field that is not
uncomfortable. That is, in the present embodiment, when switching the reverse display /
rotational display of the screen of the image display device, it is possible to eliminate the sense of
incongruity of the audio that has occurred when switching the screen by switching the audio
according to the image. It becomes possible.
[0023]
Moreover, although the information display apparatus with a transparent speaker according to
the present embodiment realizes a sound field having no sense of incongruity on the display
screen, the sound output of the sound source is possible from the displayed position of the
screen. For example, in the case of text broadcasting, it is possible to draw attention to the text by
controlling the aloud reading of the text from the text display position or the output of the voice
related to the text, and further, baseball or soccer etc. When watching sports or an artist's live, it
is also possible to distinguish and cheer on the voices from surrounding people regardless of the
reversal / rotation of the screen display.
[0024]
FIG. 3 is a block diagram showing an example of the circuit configuration of the image display
device shown in FIGS. 1 and 2. FIG. 4 is an image display device according to the present
invention illustrated in FIGS. It is a figure which shows a mode that it reversed or rotated.
[0025]
In FIG. 3, 1 is an image display device, 11 is a transparent speaker, 10 is a display panel, 14 is an
external input circuit, 15 is a determination circuit, 16 is a video control circuit, 17 is a speaker
control circuit, and 18 is an audio amplifier.
Also, in FIG. 4, FIG. 4 (A) shows the layout of the speakers on the normal display screen, FIG. 4
(B) shows the layout of the speakers at the time of horizontal reverse display, and FIG. 4 (C)
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shows the speaker at the vertical reverse display FIG. 4D shows the arrangement of the speakers
in the upside-down, left-right and inverted display, and FIG. 4E shows the arrangement of the
speakers in the 90 ° clockwise rotation display.
[0026]
In addition to the display panel 10 and the transparent speaker 11, the image display device 1
with transparent speaker is configured by an external input terminal to which signals such as
various television signals, video signals, PC signals, etc. are input as a configuration example of
its control circuit. Automatically set on the basis of the external input circuit 14 to be selected,
the type of the signal inputted by the external input circuit 14, and the screen inversion /
rotation display setting set by the user or the installation of the device 1 (installation etc. A
determination circuit 15 for determining the type of screen inversion / rotation display setting, a
video control circuit 16 for controlling display of an image (video) on the display panel 10 based
on the determination result of the determination circuit 15, and a determination circuit 15 A
speaker control circuit 17 for controlling the output of the transparent speaker 11 (including the
switching control in the audio output switching means according to the present invention) based
on the determination result of Constituted by the audio amplifier 18 to be output to the
transparent speaker 11 running amplifies of audio output control in the over mosquito control
circuit 17.
[0027]
As an image display device 1 with a transparent speaker, for example, an LCD panel speaker in
which a liquid crystal display unit and an audio circuit are integrated on a single glass substrate
and an image display function and an audio output function are integrated is effectively
applicable. is there.
In this LCD panel speaker, a transparent diaphragm is mounted on a glass substrate and vibrated
to output sound from the glass surface, and a plurality of speakers 11 and a display surface
(display unit) are integrally formed. This eliminates the need for external speakers, allowing the
products to be smaller and thinner.
[0028]
In the image display device 1 with transparent speakers, when the screen is displayed in an
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image display such as horizontal flip, vertical flip, vertical flip, right flip, etc., the speaker layout
at the time of screen flip / rotary display as illustrated in FIG. 4 By switching the output of the
speaker as shown in, it is possible to reproduce a sound field without a sense of incongruity on
the inverted screen.
Also, this function becomes more effective as the number of speakers increases and as the
display screen becomes larger.
[0029]
Referring to FIGS. 4A and 4B, for example, the speaker arrangement at the time of the horizontal
reverse display of the image is that when the screen is horizontally reversed, the speakers 11 are
arranged in the state of FIG. 4B. Become. Therefore, the audio output switching means switches
the audio output from each of the plurality of speakers to the speaker at the inverted position in
accordance with the horizontal inversion of the image. At this time, the content displayed on the
display surface of the position of the speaker A shown in FIG. 4A on the normal display screen is
displayed on the display surface of the position of the speaker A shown in FIG. 4A, and an audio
signal is output from the position of the speaker A in FIG. 4B (the speaker is an image display
device. It is fixed to the main body, and in the conventional example, it is switched to output from
the position of the speaker C). Similarly, the audio signals output at the positions of the speakers
B, C, D, E, F, G, H and I in FIG. 4A are B, C, D and E in FIG. 4B, respectively. , F, G, H, and I are
switched so that the audio signal is switched. In addition, when performing visual recognition of
the image through a mirror by displaying on the display surface of the position of the speaker A
shown to FIG. 4 (B), a viewer is between the image display apparatus 1 and a mirror. Even in the
case where the left / right reverse display is performed depending on whether the viewer is
positioned or viewing the image of the image display device 1 installed between the viewer and
the mirror through the mirror, in the case of the former, viewing Since the speaker 11 (including
the image display device 1) is located behind the person, switching of the audio signal between
the speakers may not be performed.
[0030]
Referring to FIGS. 4 (A) and 4 (C), when illustrating the speaker arrangement at the time of the
upside down display of the image, when the screen is upside down, each speaker 11 is arranged
in the state of FIG. 4 (C) Become. Therefore, the switching of the output sound by the sound
output switching means is as shown in FIG. 4 (C) in the case where the content displayed on the
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display surface of the position of the speaker A shown in FIG. 4 (A) is displayed on the normal
display screen. While making it possible to display on the display surface of the position of the
speaker A shown, the audio signal output from the speaker A in FIG. 4 (A) is also output from the
speaker A in FIG. (The speaker is fixed to the main body of the image display apparatus, and in
the conventional example, the output is from the position of the speaker G). Similarly, the audio
signals output at the positions of the speakers B, C, D, E, F, G, H, and I in FIG. 4A are the speakers
B, C, D, and C in FIG. The audio signal is switched so as to be output at the positions E, F, G, H,
and I.
[0031]
Referring to FIGS. 4A and 4D, for example, the speaker arrangement at the time of the upsidedown, left-right reverse display of the image is as follows. Each speaker 11 is arranged in the
state of FIG. It will be. Therefore, the switching of the output sound by the sound output
switching means is performed as the contents displayed on the display surface of the position of
the speaker A shown in FIG. While making it possible to display on the display surface of the
position of the speaker A shown, the sound signal output from the speaker A in FIG. 4A is also
output from the speaker A in FIG. (The speaker is fixed to the main body of the image display
apparatus, and in the conventional example, the output is from the position of the speaker I).
Similarly, the audio signals output at the positions of the speakers B, C, D, E, F, G, H and I in FIG.
4A are the speakers B, C, D and B in FIG. 4D, respectively. The audio signal is switched so as to be
output at the positions E, F, G, H, and I.
[0032]
Referring to FIGS. 4 (A) and 4 (E), for example, the speaker arrangement at the time of 90 °
rotation display of the image is as follows. When 90 ° rotation display on the right of the screen
is shown, each speaker 11 is in the state of FIG. It will be arranged. Therefore, the switching of
the output sound by the sound output switching means is as shown in FIG. 4 (E) in the vertically
inverted display of the content displayed on the display surface of the position of the speaker A
shown in FIG. While making it possible to display on the display surface of the position of the
speaker A shown, the sound signal output from the speaker A in FIG. 4A is also output from the
speaker A in FIG. (The speaker is fixed to the main body of the image display apparatus, and in
the conventional example, the output is from the position of the speaker G). Similarly, the audio
signals output at the positions of the speakers B, C, D, E, F, G, H and I in FIG. 4A are the speakers
B, C, D and B in FIG. 4E, respectively. The audio signal is switched so as to be output at the
positions E, F, G, H, and I. In addition, the same concept can be applied to the case of rotating the
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image 90 degrees left.
[0033]
FIG. 5 is a schematic front view showing an example of the configuration of a speaker-equipped
image display device according to another embodiment of the present invention, in which 2 is a
speaker-equipped image display device, 20 is a display surface, 21 a is a left speaker, 21 b is a
right speaker.
[0034]
As another embodiment of the present invention, a plurality of speakers and the abovementioned image inverting / rotating means are provided, and voices output from each of the
plurality of speakers according to image inverting or rotating by the image inverting / rotating
means The audio output switching means for switching to the speaker in the inverted or rotated
position may be provided to achieve the same effect as the embodiment described with reference
to FIGS. 1 to 4.
However, the speaker according to the present embodiment is not limited to the transparent
speaker, and a plurality of speakers may not be provided so as to divide the display surface, for
example, a plurality of speakers may be installed in a frame around the display surface. .
[0035]
As such an embodiment, for example, as in the speaker attached image display device 2
illustrated in FIG. 5, the left speaker 21 a and the right speaker 21 b are disposed on the left and
right of the display surface (display panel) 20. When the speaker-equipped image display device
2 is installed by being hung upside down, for example, the image is reversed vertically and
horizontally by the image reversing / rotating means, and the audio output switching means is
output from the original speakers accordingly The voice is switched to the output to the speaker
at the position upside down and the left and right reversed. In the example of FIG. 5, the speakers
are only two on the left and right, and switching of the audio accompanying the upside down of
the image and the left and right reverse also outputs the audio originally output from the left
speaker 21a through the right speaker 21b along with the inversion. Conversely, switching is
performed such that the sound originally output from the right speaker 21b is output from the
left speaker 21a as it is inverted.
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[0036]
In addition, also in the image display apparatus with a loudspeaker according to the present
embodiment, various forms described with reference to FIGS. 1 to 4 can be adopted such as the
number of loudspeakers and the arrangement and circuit configuration with respect to the
display surface.
[0037]
In addition, each image is also used in the multi-large-screen image display device in which a
plurality of speaker-equipped image display devices described with reference to FIGS. 1 to 5 or a
plurality of normal speaker-equipped image display devices are combined and installed side by
side. If the present invention is applied to each of the display devices, the same effect as that of
the present invention described above can be obtained.
Furthermore, even in the image display apparatus in which screens are prepared on both the
front and back sides for business negotiations, for example, by performing control so as to
perform voice output in accordance with the image displayed on the customer side screen, at
least the customer feels uncomfortable. No sound field can be formed.
[0038]
BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic front view which shows one structural
example of the image display apparatus with a speaker which concerns on one Embodiment of
this invention. It is the perspective view which removed the cabinet in the image display
apparatus of FIG. It is a block diagram which shows the example of a circuit structure of the
image display apparatus of FIG.1 and FIG.2. FIG. 7 is a view showing a state in which an image
shown on a display surface is reversed or rotated in the image display device according to the
present invention illustrated in FIGS. 1 to 3; It is a schematic front view which shows one
structural example of the image display apparatus with a speaker which concerns on other
embodiment of this invention.
Explanation of sign
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[0039]
1, 2 ... image display apparatus with speaker, 11, 11a to 11i ... transparent speaker, 10, 20 ...
display (display panel), 12 ... transparent frame, 13 ... cabinet, 14 ... external input circuit, 15 ...
determination circuit, 16 ... video control circuit, 17 ... speaker control circuit, 18 ... audio
amplifier.
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