JP2010127998A - Video display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device with a constitution in which the thickness and projection area of a body can be suppressed, and in which an auxiliary display device is arranged at the vicinity of a main first display device. <P>SOLUTION: The video display device includes a main first display means and an auxiliary display means, the auxiliary display means being arranged at a lower part side front plane of a display plane in the main first display means in a state, in which a part of auxiliary display means overlaps the front plane. In the video display device, the auxiliary display means is provided with a display part; a drive substrate of the display part and a backlight having a light source at a lower part side of the display part; the drive substrate is arranged outside a region in which the part of auxiliary display means overlaps; and near the light source of the backlight-rear surface and an empty space is formed at a region in which the part is arranged in a state in which it overlaps; the main first display means can be arranged at the empty space, in a state in which a part of the main first display means overlaps. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a video display device, and more particularly to a display device such as a television equipped with a thin display panel, wherein the main first display device and the sub-second small display device are combined into one casing. The present invention relates to a stored video display device.

In a display device such as a television, in addition to the main first video display means, a secondary second information display means is provided, and various information is displayed on the second information display means to improve convenience. The proposal has been made conventionally.
For example, in Patent Document 1, when the first display means is in an auto power-off state in which the operation stops after a predetermined time has elapsed, the second display unit displays that the auto power-off function has been activated, and the user There has been proposed a television that can inform the state of the device.

Further, in Patent Document 2, when the first display unit is a projector, a projection television is proposed in which the target display is substituted on the second display unit after the light source stops emitting light until it can emit light again. Has been.
These proposals are intended to improve usability depending on when and what display is performed on the second display means.
Further, in Patent Document 3, a second display means that is a subsidiary is arranged on a bezel that holds the first display means, a punching sheet is attached to the front surface of the cabinet, and the display of the second display means is transmitted through this sheet. Some have made the contents visible.
This is configured so that the second display unit is not conspicuous by showing it through the punching sheet so that it does not become an obstacle when the first display is viewed.
JP 2006-295351 A JP 2006-217457 A Japanese Patent Application Laid-Open No. 5-110968

On the other hand, large screens and thin televisions equipped with PDPs and liquid crystal panels are rapidly spreading in recent years, but such televisions are significantly thinner and space-saving than conventional televisions with built-in CRTs. This is a major feature.
However, in such a thin video display device, when the second display device is arranged in the vicinity of the main first display device, there is a problem that the thickness of the product and the projected area increase.

6 to 9 show a conventional video display device in which a main first display device and a secondary second display device are arranged.
6 and 8 are external perspective views of a conventional display device, FIG. 7 is a cross-sectional view taken along a broken line aa in FIG. 6, and FIG. 9 is a cross-sectional view taken along a broken line aa in FIG.
6 to 9, reference numeral 101 denotes a surface panel of a main first display device, 102 denotes a screen of a secondary second display device, 103 denotes a bezel, and 104 denotes a stand.
Reference numeral 105 denotes a first display device main body, 106 denotes a drive substrate for the first display device, 107 denotes a mounting element on the substrate 106, 108 denotes a rear cover, 109 denotes a bezel mounting frame, and 110 denotes a drive substrate for the second display device It is.

In the example of FIGS. 6 and 7, the screen 102 of the second display device and its driving substrate 110 are arranged in a state of overlapping the front surface of the front panel 101 of the first display device. Middle B) becomes thicker, and the display device body becomes thicker.
In the examples of FIGS. 8 and 9, the thickness of the bezel is suppressed by disposing the second display device apart. Of course, the width of the bezel (C dimension in the figure) is small. As a result, the projected area of the apparatus main body increases.
As described above, when an attempt is made to dispose the secondary second display device in the vicinity of the main first display device, there arises a problem that the thickness and the projected area increase. No solution is shown.

  In view of the above problems, the present invention provides a video display that can suppress the thickness and the projection area of the main body in a configuration in which the second display device is arranged in the vicinity of the main first display device. A device is provided.

The present invention provides a video display apparatus configured as follows.
The video display device of the present invention includes a main first display means and a secondary second display means, and the secondary second display means is provided on the lower front surface of the display surface of the primary first display means. , An image display device arranged in a part of which overlaps,
The secondary second display means includes a display unit, a drive substrate for the display unit, and a backlight having a light source on the lower side of the display unit,
The drive board is disposed outside the area where the part is overlapped and close to the light source on the back surface of the backlight, and an empty space is provided in the area where the part is overlapped. Forming,
The main first display means is configured to be arranged in a state where a part thereof overlaps the empty space.
Further, the video display device of the present invention is characterized in that the display section of the secondary second display means is constituted by a liquid crystal display means.
Further, in the video display device of the present invention, the main first display means includes an outer peripheral portion of the first display means held by a frame body,
The display section of the second display means that is the sub-portion is disposed corresponding to a display window formed on the lower side of the display surface of the first display means in the frame. .
In the video display device of the present invention, the main first display means is configured such that an outer peripheral portion of the first display means is held by a frame body,
It is constituted by a display device main body and a protective plate arranged in a position separated by a predetermined amount in parallel to the display surface of the display device main body,
The display section of the second display means which is the auxiliary is arranged corresponding to a display window formed on the lower side of the protective plate of the display surface in the frame.

  According to the present invention, a secondary second display device can be disposed at a position close to the main first display device while suppressing the size of the main body, and is small, thin, and has high added value. Can be realized.

Embodiments of the present invention will be described below.
The video display device according to the present embodiment is configured as follows so that the secondary second display device can be arranged at a position close to the main first display device.
That is, in the video display device in which the sub second display means is arranged in a state where a part thereof overlaps the lower front surface of the display surface of the main first display means, an empty space is formed as follows. By doing so, it can be arranged at the close position.
The second display means, which is the sub, includes a display unit, a drive substrate for the display unit, and a backlight having a light source on the lower side of the display unit.
Then, the drive substrate is located outside the region where the part is overlapped and is disposed closer to the light source on the back surface of the backlight, so that the part is disposed in a state where the part is overlapped. An empty space is formed.
In the empty space formed in this way, the main first display means is arranged in a state where a part thereof overlaps.
As described above, in the second display device composed of the liquid crystal display means (LCD), the backlight, and the drive substrate, the drive substrate is arranged so as to be shifted to the light source side on the back of the backlight. An empty space is generated in the area where the parts overlap.
By disposing the first display device and the back of the backlight in this empty space at a position where the first display device and the back surface of the backlight face each other, while suppressing the thickness of the main body and the projection area, the second second sub-position is located close to the main first display device. It is possible to arrange the display device.

The video display device according to the embodiment of the present invention will be described below.
FIG. 1 is an external perspective view for explaining a video display device according to the present embodiment.
2 is a cross-sectional view taken along a broken line aa in FIG. 1, and FIG. 3 is a front-side perspective view of a second display device according to the present embodiment.
FIG. 4 is a rear perspective view of the second display device in this embodiment, and FIG. 5 is an enlarged view of a cross section of the second display device in this embodiment.

In FIG. 1, 1 is a front panel of a main first display device (display means), 2 is a display window of a secondary second display device (display means), 3 is a bezel, and 4 is a stand. Here, as for the 1st display apparatus 1, the outer peripheral part of this 1st display apparatus is hold | maintained by the bezel 3 (frame body).
The display unit of the second display means corresponds to the display window 2 formed on the lower side of the surface panel (protective plate of the display surface) of the first display device 1 in the bezel 3 (frame body). Has been placed.
In FIG. 2, 5 is a first display device body, 6 is a drive substrate of the first display device, 7 is a mounting element on the substrate 6, 8 is a rear cover, and 9 is a bezel mounting frame.
11 is a holder member of the second display device, 12 and 13 are mounting flanges formed integrally with the holder member, 15 is a mounting flange formed integrally with the first display device body, and 16 is provided on the rear cover 8. It is the attached flange part for attachment.
Reference numeral 17 denotes a driving board of the second display device, reference numerals 18, 19 and 27 denote mounting bosses formed integrally with the bezel 3, and reference numeral 28 denotes a mounting element on the driving board 17.

In FIG. 3, 14 is an LCD panel (liquid crystal panel) which is a second display device, 10 is a display area of the LCD panel, and 24 is an FPC which transmits a drive signal between the display LCD and the drive substrate.
In FIG. 4, reference numeral 20 denotes a mounting frame for the driving board 17, 21 denotes a claw portion provided in the mounting frame, 22 denotes a mounting hole provided in the driving board 17, and 23 denotes a positioning hole provided in the driving board 17. .
In FIG. 5, 25 is a light guide prism, and 26 is a fluorescent tube.

First, the configuration of the second display device according to the present embodiment will be described with reference to FIGS.
As shown in FIG. 5, the fluorescent tube 26 is disposed at the lower end of the light guide prism 25, and the LCD panel 14 is disposed in front of the light guide prism 25, and is integrally held by the holder member 11.
As is well known, with this configuration, the light from the fluorescent tube 26 is diffused and reflected within the light guide prism 25 and applied to the back surface of the LCD panel 14 as uniform illumination light. Is displayed.
Here, in general, the light guide prism 25 has a tapered shape in which the light source side is thick and becomes thinner toward the tip.
As shown in FIGS. 3 and 5, the FPC 24 protrudes downward from the lower end of the LCD panel 14, is folded back along the lower end of the holder 11, and is connected to the driving substrate 17 on the back surface.
Elements 28 such as drive ICs and connectors are mounted on the back substrate 17. As shown in FIG. 5, components with a high mounting height are gathered downward, and components with a low mounting height are gathered on the upper side. is doing.

Here, as shown in FIG. 4, the drive board 17 is sandwiched between the upper ends of the claw portions of the mounting frame 20, and is arranged below the back surface of the holder member 11 of the second display device. The lower end of is a position protruding below the lower end of the holder member 11.
Further, as shown in FIG. 5, the relative position between the drive board 17 and the holder 11 is determined by fitting the dowel of the holder 11 into the positioning hole 23 on the drive board 17.
As shown in FIG. 4, the mounting frame 20 is configured so that both ends thereof protrude to the left and right of the back surface of the backlight and overlap a flange 12 formed integrally with the holder 11.
Thus, by arranging the drive substrate 17 so as to be shifted to the light source side on the back side of the backlight, the area indicated by the oblique lines in FIG. It can be used as a space for arranging parts.

Next, the installation of the second display device and the overall configuration will be described with reference to FIG.
The second display device configured as described above first performs positioning with a hole (not shown) provided in the flange 13 of the holder member 11 and a boss 18 formed in the bezel 3.
Then, the flange 12 and the mounting frame 20 on the holder member 11 are fixed to the boss 19 formed on the bezel 3 by fastening means such as screws.
Similarly, the mounting hole 22 of the drive board 17 is fixed to a boss of the bezel 3 (not shown) by fastening means such as a screw.
Therefore, the second display device is fastened to the bezel 3 at the left and right ends and the lower center end.

The bezel mounting frame 9 is a member that is fixed to the boss 18 of the bezel 3 by a fastening means such as a screw, holds the surface panel 1 between the bezel 3 and ensures the strength of the bezel 3.
The display device main body 5 is held by fixing the mounting portion 15 to the bezel mounting frame 9 with fastening means such as screws.
The drive substrate 6 of the first display device is fixed to the back side of the first display device body 5 via an attachment member (not shown).
The rear cover 8 has its mounting flange portion 16 fixed to the boss 18 of the bezel 3 together with the bezel mounting frame 9 by fastening means such as screws.
Further, the display window 2 of the second display device is formed in the bezel 3 and is configured to protect the LCD panel 14 from external pressure and scratches.

With the above configuration, the front panel 1 and the mounting frame 9 are efficiently arranged in the shaded area shown in FIG. 5, and the increase in the thickness and width of the bezel 3 is suppressed, and the first display device is provided. A second display device can be disposed in the vicinity of the.
Further, by using a translucent material such as gray smoke for the display window 2, the LCD panel 14 can be made inconspicuous in appearance.
Thereby, when gazing at the first display unit, the second display unit disappearing can be configured so as not to be concerned, and when the second display unit is displayed, the first display unit is displayed. Various effects can be realized by being close to each other.
For example, it is possible to realize a display device with high added value by improving the visual effect such as the display contents of the first display unit and the second display unit being interlocked and improving the user interface.

In the above-described embodiment, the first display device includes a display device body and a protective plate arranged in a position separated by a predetermined amount in parallel to the display surface of the display device body, that is, the first display device. The display device main body 5 and the front panel 1 are shown as independent. However, the present invention is not limited to such a configuration, and it goes without saying that the present invention can be similarly applied to a display device in which the front panel is integrated with the display device main body.
Further, as the second display device, a backlight and an LCD using a fluorescent tube as a light source are shown, but the present invention can also be applied to a backlight using a white LED as a light source.
Furthermore, even when a self-luminous display device such as an electrolytic discharge display (FED) or an organic EL is used as the second display device, the present embodiment can be applied to the arrangement of the driving substrate.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. Sectional drawing in the broken line aa in FIG. 1 of the display apparatus in the Example of this invention. The surface side perspective view of the 2nd display apparatus in the Example of this invention. The back surface side perspective view of the 2nd display apparatus in the Example of this invention. The cross-sectional enlarged view of the 2nd display apparatus in the Example of this invention. The external appearance perspective view for demonstrating the video display apparatus in a prior art example. Sectional drawing in broken line aa in FIG. 6 of the video display apparatus in a prior art example. The external appearance perspective view for demonstrating the video display apparatus in a prior art example. Sectional drawing in broken line aa in FIG. 8 of the video display apparatus in a prior art example.

Explanation of symbols

1: Front panel of first display device 2: Display window of second display device 3: Bezel 4: Stand 5: First display device body 6: First display device drive substrate 7: First display device Driving board (mounting element)
8: Rear cover 9: Mounting frame 10: LCD display area 11: Holder 12: Holder flange 13: Holder flange 14: LCD panel 15: First display device mounting portion 16: Rear cover mounting portion 17: Second display device Drive board 18: Bezel boss 19: Bezel boss 20: Mounting frame (second display device)
21: Claw portion 22: Drive board mounting hole 23: Activation board positioning hole 24: FPC
25: Light guide prism 26: Fluorescent tube 27: Bezel boss 28: Second display device driving board mounting element

Claims (4)

A main first display means and a secondary second display means, wherein the secondary second display means partially overlaps the lower front surface of the display surface of the primary first display means. A video display device arranged,
The secondary second display means includes a display unit, a drive substrate for the display unit, and a backlight having a light source on the lower side of the display unit,
The drive board is disposed outside the area where the part is overlapped and close to the light source on the back surface of the backlight, and an empty space is provided in the area where the part is overlapped. Forming,
The video display device according to claim 1, wherein the main first display means is configured to be arranged in a state where a part thereof overlaps the empty space.   2. The video display device according to claim 1, wherein the display unit of the second display means is a liquid crystal display means. In the main first display means, the outer periphery of the first display means is held by a frame,
The display section of the second display means that is the sub-portion is disposed corresponding to a display window formed on the lower side of the display surface of the first display means in the frame. The video display device according to claim 1. The main first display means has an outer peripheral portion of the first display means held by a frame,
It is constituted by a display device main body and a protective plate arranged in a position separated by a predetermined amount in parallel to the display surface of the display device main body,
The display section of the second display means as a sub-portion is disposed corresponding to a display window formed on a lower side of a protective plate of the display surface of the frame. Or the video display apparatus of Claim 2.

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