JPH04130394A - Plane monitoring device and liquid crystal display device - Google Patents

Abstract

PURPOSE:To eliminate the need of space dedicated to a speaker and to miniaturize an entire device by utilizing a display surface protection part and dead space inside the device. CONSTITUTION:The display surface protection part 4 is moved and rotated centering around the shaft of a rotating mechanism 5 so as to protect a display surface 3. The speaker 6 is attached to the protection part 4. Then, the dedicated space is not necessitated, and a plane monitoring device 1 is miniaturized by as much as the eliminated space. When the protection part 4 is opened right and left with respect to the display surface 3, the speakers 6 are arranged on the left and the right sides of the display surface 3, so that a stereophonic device is obtained. By constituting the protection part 4 so that it can be separated from the mechanism 5, the handleability of a user is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application] The present invention relates to the structure of mounting a speaker in a flat monitor device such as a liquid crystal display device.

[Conventional technology]

In a conventional flat monitor device, for example, a speaker is provided on the side, and from the side to the inside,
A dedicated space was required to install the speakers.

In addition, for conventional flat monitor devices that do not require a dedicated space for installing speakers inside, for example, the display surface is rotated around a rotation axis located below the display surface along the horizontal direction of the display surface. The display screen has a display screen protector that opens and closes by rotating in the vertical direction, covers and protects the display screen when the screen is closed, and serves as a support when the screen is open. Some had speakers attached to them.

[Problem to be solved by the invention]

Among the above-mentioned conventional flat monitor devices, the former requires a dedicated space for installing a speaker inside, so there is a problem in that the entire device becomes large.

Furthermore, in the latter case, the number of speakers attached to the display screen protection part is small, and there is a problem in that high-quality bass reproduction and stereo realistic reproduction cannot be obtained.

The present invention has been made in view of the problems of the prior art described above, and the first object of the present invention is to reduce the size of the entire device without requiring a dedicated space for installing speakers inside. A flat monitor device such as a liquid crystal display device may be provided. A second object of the present invention is to provide a flat monitor device such as a liquid crystal display device that can reproduce high-quality bass sounds or reproduce a sense of realism through stereo.

[Means to solve the problem]

In order to achieve the above object, the present invention provides two display screen protectors that can be opened and closed on the left and right sides of the display screen, and a speaker is attached to the display screen protectors. Note that the display screen protector may be removable.

Moreover, in the present invention, on the back surface of the light reflection plate for backlight,
A dedicated duct for the speaker was installed to emit sound to the outside.

Further, in the present invention, a piezoelectric speaker using a transparent electrode is attached to a protective sheet provided in front of the display surface.

Moreover, in the present invention, on the back surface of the light reflection plate for backlight,
I started installing speakers.

[Effect]

Among the above-mentioned inventions, if two display screen protectors are provided and a speaker is attached to the display protector, a dedicated space for attaching the speaker is not required inside the device. The entire device can be made smaller.

Furthermore, when the display screen protector is opened to the left and right of the display screen, the speakers are arranged on the left and right sides of the display screen. This makes it possible to provide the user with realistic sound in stereo.

In addition, the display surface protection section protects the display surface by covering it, which makes it convenient to carry and improves usability.

Furthermore, if the display screen protector is made removable, when the display screen protector is removed, the entire device becomes smaller and the user's usability improves.

Additionally, if a duct dedicated to speakers is provided on the back of the backlight light reflector, the sound emitted from the speakers will be emitted to the outside through the duct, making it possible to utilize the dead space inside the device. Along with being able to downsize,
It becomes possible to provide the user with a sound with deep bass.

Furthermore, dead space inside the device can be used even when piezoelectric speakers are attached to a protective sheet or speakers are attached to the back of a backlight light reflector, and a dedicated space for attaching the speakers is required. Therefore, the entire device can be made smaller accordingly.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a first embodiment of the present invention;
, ) shows the state in which the display screen protector 4 is closed, and (b) shows the state in which it is opened.

In FIG. 1, a user carries a flat monitor device 1 using a handle 2 provided thereon. At this time, the display screen protector 4
The display screen 3 can be protected by rotating the rotating mechanism 5 around the axis.

Furthermore, since the speaker 6 is attached to the display screen protection part 4, a dedicated space for attaching the speaker inside the flat monitor device 1 is not required, so the flat monitor device 1 can be made smaller accordingly. can. Furthermore, when the display screen protector 4 is opened to the left and right sides of the display screen 3, the speakers 6 are arranged on the left and right sides of the display screen 3, so that it is possible to provide the user with realistic sound in stereo.

In addition, the display screen protector 4 has a structure that can be separated from the rotation mechanism 5. This has the effect of improving usability for the user.

An example of a separable structure of the rotation mechanism 5 will be explained with reference to FIG.

The rotation mechanism 5 is composed of a pin 5.1, a spring 5.2, and a bearing 5.3. The pin 5.1 is pressed against the spring 5.2 and inserted into the bearing 5.3. At this time, when the pin 5.1 is pulled in the direction of the arrow, the pin 5.1 is removed from the bearing 5.3, and the display screen protector 4 and the flat monitor device 1 can be separated.

On the other hand, when attaching the display screen protector 4 to the flat monitor device 1, it is also possible to attach and detach by performing the above-mentioned operation in reverse.

Note that the wiring to the speaker 6 may be routed through the inside or outside of the rotating mechanism 5.

Next, FIG. 3 is a sectional view showing a second embodiment of the present invention.

In this embodiment, a bank light system 8 inside the liquid crystal display device is used to provide a duct exclusively for speakers.

In FIG. 3, a light reflecting plate 8 of a backlight system 8 is shown.
．． A cover 10 for fixing the speaker is provided on the back side of 1,
A speaker 6 is attached to the lower part. At this time, the connection between the speaker 6 and the cover 10 is completely sealed with a rubber gasket or the like. Further, the connecting portion between the cover 10 and the light reflecting plate 8.1 is also completely sealed with a rubber gasket or the like. A duct 11 passing from the speaker 6 to the outside is configured between the cover 10 and the light reflecting plate 8.1.

The sound generated from the speaker 6 is transmitted through the sealed cover 8.
2 and the light reflecting plate 8.1 of the backlight system 8, and is emitted to the outside through the duct 11. In other words, it can achieve the same effect as a duct for emphasizing deep bass in radio cassettes, etc., and can provide the user with deep bass sound.

Furthermore, in general, the back side of the light reflecting plate 8.1 of the backlight system 8 in a liquid crystal display device is a dead space, but according to this embodiment, a duct 1 dedicated to the speaker 6 is provided.
1, since the dead space is used, there is no need for a dedicated space for installing the speakers in the liquid crystal display device 7, so the liquid crystal display device 7
can be made smaller.

In addition, in FIG. 3, 9 is a liquid crystal panel, and 12 is a control board.

Further, in this embodiment, a rubber gasket or the like is used for sealing, but any other material may be used as long as it serves the role of sealing. For example, sealing may be performed using high frequency welding or adhesive.

Further, in this embodiment, the back surface of the backlight system 8 is used as is, but the gist of the present invention does not change even if a cover is further provided along the back surface of the backlight system 8.

Next, FIG. 4 is a side view showing a third embodiment of the present invention.

In this embodiment, the speaker 6 is attached using the bank light system 8 inside the liquid crystal display device.

In FIG. 4, a light reflecting plate 8 of a backlight system 8 is shown.
．． A boss 8.2 for fixing the speaker is provided on the back surface of the speaker 1, and the speaker 6 is fixed to the boss 8.2 with a screw 8.3.

In this embodiment as well, since the dead space behind the light reflecting plate 8.1 of the backlight system 8 is used to install the speakers 6, a dedicated space is required for installing the speakers inside the liquid crystal display device. Because it is not
Accordingly, the liquid crystal display device can be made smaller.

Next, FIG. 5 is a sectional view showing a fourth embodiment of the present invention.

In this embodiment, the piezoelectric speaker 15 is
is installed.

The protective sheet 14 is provided on the front frame 13 of the flat monitor device. Then, a piezoelectric speaker 15 using a transparent electrode is attached to the protective sheet 14.

Generally, in a flat monitor device, there is a dead space between the protective sheet 14 and the display surface 3, but according to this embodiment, the dead space is utilized when attaching the piezoelectric speaker 6, so that the space between the protective sheet 14 and the display surface 3 is flat. Since a dedicated space for providing speakers within the monitor device is not required, the flat monitor device can be made smaller accordingly.

〔Effect of the invention〕

As explained above, according to the present invention, since the display screen protector and the dead space inside the device are used, there is no need for a dedicated space for installing the speakers.
Accordingly, the entire device can be made smaller.

In addition, if two display screen protectors are provided and a speaker is attached to the display screen protector, the display screen protector with the speakers opens and closes to the left and right, making it easy to use and allowing you to listen to audio in stereo. , the effect of providing realistic sound to the user can be obtained.

Furthermore, if the display screen protector is made removable, user-friendliness is further improved.

Additionally, if a duct dedicated to speakers is provided on the back of the backlight light reflector, the sound emitted from the speakers will be emitted to the outside through the duct, providing the user with low-pitched sound. I can do it.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a first embodiment of the present invention, Fig. 2 is a sectional view showing an example of the structure of the rotation mechanism in Fig. 1, and Fig. 3 shows a second embodiment of the invention. 4 is a side view showing a third embodiment of the invention, and FIG. 5 is a sectional view showing a fourth embodiment of the invention. 1.Flat monitor device, 2.Handle, 3.Display surface, 4.Display surface protection unit, 5.Rotation mechanism, 6.Speaker 7.Liquid crystal display device, 8.Backlight system. 8.1... Light reflecting plate, 8.2... Boss, 8.3... Screw, 9... Liquid crystal panel, 10... Cover 11... Duct, 12... Control board, 13... Front frame, 14... Protective sheet, 15... Piezoelectric speaker

Claims (5)

[Claims] 1. In a flat monitor device such as a liquid crystal display device, each of the display surfaces is attached to a display section and is rotated about rotation axes located on both sides of the display surface along the vertical direction of the display surface of the display section. The screen is opened and closed by rotating in the horizontal direction, and has two display screen protectors that both cover and protect the display screen when in the closed state, and in the display screen protector, when the display screen is in the closed state, A flat monitor device, characterized in that speakers are sometimes attached to each side of the surface facing the display surface. 2. 2. The flat monitor device according to claim 1, wherein each of the display screen protection parts is removable from the display part. 3. In a flat monitor device such as a liquid crystal display device, a protective sheet is provided in front of the display surface of the display section,
A flat monitor device comprising a piezoelectric speaker using a transparent electrode attached to the protective sheet. 4. 1. A liquid crystal display device having a backlight light reflection plate, characterized in that a speaker is attached to the back surface of the backlight light reflection plate. 5. 1. A liquid crystal display device having a light reflecting plate for a backlight, characterized in that a duct dedicated to a speaker capable of emitting sound to the outside is provided on the back side of the light reflecting plate for a backlight.