JP2003162237A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device in which adverse effect caused by wind is made less and no sway is realized for the display screen caused by wind pressure. <P>SOLUTION: In the display device, a plurality of light emitting elements is mounted on a supporting body and the elements are controlled for light emitting so as to conduct a prescribed display. The device is provided with one or a plurality of light emitting element panels 50 which is made by arranging a plurality of light emitting element bars 80 having cylindrical transparent pipes 81 as external containers in parallel with prescribed gaps G and with respect to a support frame 50F and light emission control units (10 to 40 and 51 to 53) which include computers (11 to 13) that control the light emission of the bars 80 of one or a plurality of panels 50. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device suitable as, for example, a stage display device or a display device for a large outdoor screen.

[0002]

2. Description of the Related Art As a conventional display device of this type, a plurality of light emitting elements such as LEDs (light emitting diodes) are arranged in a matrix on a plate-like support made of a rigid body and having a relatively large size. However, there is a so-called light emitting display board in which the light emission of these light emitting elements is controlled by a controller.

[0003]

In the light emitting display board having such a structure, since the plate-like support is made of a rigid body, there is no particular problem in terms of mechanical strength, and the display device for outdoor use. Can be used as etc. However, since the installation mode must be fixed, it was not easy to change the installation mode appropriately according to the situation of the site. For this reason, there is a drawback that it is difficult to use as, for example, a stage display device that requires various modes.

A display device has been proposed in which a flexible net is used in place of the plate-like support and a plurality of light emitting elements are arranged on the flexible net so that the installation mode can be changed relatively freely. . According to the proposed display device, the degree of freedom of the installation mode is significantly improved.
However, the above-mentioned ones have a drawback that the display screen fluctuates due to wind pressure because they are easily affected by wind pressure and the like. Therefore, it is not suitable as an outdoor display device, especially as a large screen display device.

The present invention has been made under such circumstances, and an object thereof is to provide a display device having the following advantages.

(A) It is hardly affected by wind, and there is no problem that the display screen fluctuates due to wind pressure.

(B) It is possible to install the display screen in an arbitrary installation mode (installation position, installation attitude, etc.) according to the situation of the installation site.

(C) The background on the back side of the display screen can be seen, and it is also possible to illuminate from the rear of the display screen. When used as a stage display device, a remarkable stage effect can be obtained.

[0009]

In order to solve the above problems and achieve the object, the display device of the present invention has the following characteristic structure. In addition, characteristic configurations other than the following will be clarified in the embodiments.

(1) In the display device of the present invention, a plurality of light emitting elements are attached to a support, and the light emission of these light emitting elements is controlled to provide a predetermined display. On the other hand, one or a plurality of light emitting element panels in which a plurality of light emitting element bars each having a cylindrical light-transmitting pipe as an outer container are arranged in parallel at predetermined intervals, and the one or a plurality of light emitting element panels. And a light emission control means including a computer for controlling the light emission of the plurality of light emitting element bars.

(2) In the display device of the present invention, a plurality of light emitting element panels are arranged in a predetermined pattern in the vertical direction and / or the horizontal direction, and the panels are bendably connected to each other through bending means. Is characterized by.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION (One Embodiment) FIG. 1 is a diagram showing a schematic configuration of an entire display device according to one embodiment of the present invention. In FIG. 1, 1 indicates a control system of the display device, and 2 indicates a display system of the display device.

The control system 1 includes a controller 10 and a DMX.
(Illumination standard signal standard) Console 20, video device 3
0, monitor display 40, and the like.
The controller 10 includes a master computer 11 and slave computers 12 and 13, and has a hard disk built therein. DMX console 20
Uses the DMX signal, which is used as a standard signal for lighting equipment worldwide, to control the switching and mixing of various images, color changes, animation playback speed, and lighting change speed. Is a device for performing in real time.

Thus, the control system 1 is the controller 1
Display system such as reproduction of bitmap image data animation stored in 0, full-color illumination by abstract image based on data calculated by control software of master computer 11, projection of TV image by video device 30, etc. 2 is configured to be performed.

The display system 2 comprises, for example, 12 unitized light emitting element panels 50 arranged in four rows in the vertical direction and three rows in the horizontal direction as shown in the figure. The light emitting element panels 50 are connected to each other via bending means 50H having a structure in which, for example, a hinge mechanism and a lock mechanism are combined so that they can be bent. In the present embodiment, an LED (light emitting diode) is used as the light emitting element. The display system 2 is configured such that the entire display system can be collectively hung on the support rail 70 via the suspending tool 60 so that it can be set as a stage display device, an outdoor large-screen display device, or the like.

In this way, the display system 2 is controlled by the control system 1 and a control unit (described later) incorporated therein, so that the display system 2 as a whole has a single large screen, or only a part thereof is a local screen. The target specific screen can be arbitrarily displayed.

There is no particular limitation on the number of the light emitting element panels 50 to be connected or the arrangement pattern, and any number and arrangement pattern can be set according to the situation.

FIG. 2 is a diagram specifically showing the internal structure of one light emitting element panel 50. In FIG. 2, 50A is a control unit, which is a support frame 50F of the light emitting element panel 50.
It is housed inside the upper frame 50FU.
Further, 50B is a display portion, which is arranged over the entire display area of the light emitting element panel 50. The width dimension of the upper frame 50FU is actually substantially the same as the width dimension of the lower frame 50FD and the left and right frames 50R and 50L.

The control unit 50A is supplied with a clock pulse generator 51 which operates based on a control signal sent from the controller 10 via a signal cable L1, and a clock pulse from the clock pulse generator 51, A plurality of (five in this embodiment) communication boards 52 including communication circuits for exchanging information with the controller 10 via the signal cable L2, and a display unit that operates based on command signals from these communication boards 52. A driver 53 for controlling the light emission of 50B is provided.

The clock pulse from the clock pulse generator 51 is sent to each communication board 52 by the signal cable L.
3 in series. In addition, the driver 53
Three units are connected to one communication board 52.
Then, one driver 53 drives each two light emitting element bars 80 of the display section 50B.

The display unit 50B has a plurality of (30 in the present embodiment) light emitting element bars 80 each having a cylindrical translucent pipe as an outer container with respect to a rigid member such as a metal support frame 50F. , Are arranged in parallel at a predetermined interval G. In the present embodiment, the light emitting element bar 80
Are arranged in parallel at a pitch K of about 60 mm, for example.

FIGS. 3A to 3C are views showing a specific structure of one light emitting element bar 80.
As shown in FIG. 3A, the light emitting element bar 80 has an outer diameter D formed of a translucent member such as transparent polycarbonate.
A display module 82 having an elongated shape is inserted into a pipe 81 having a length of about 20 mm. Display module 8
2 is an LED (light emitting diode) which emits light of three primary colors of R (red), G (green), and B (blue) on the surface of the long wiring board 83 as shown in FIG. 3B. Have pixels P1, P2, P3 ... Arranged close to each other in the vertical direction. A printed wiring PR as shown in FIG. 3C is provided on the back surface of the wiring board 83.
T is a terminal for connecting the printed wiring PR and the driver 52.

The wiring board 83 has a width W substantially equal to the inner diameter d of the cylindrical light-transmitting pipe 81.
Therefore, by simply inserting the wiring board 83 into the transparent pipe 81, the wiring board 83 can be arranged at the center of the pipe.

4 (a) to 4 (d), the posture of the entire display screen is changed by performing the bending operation using the bending means 50H interposed between the light emitting element panels 50. It is a figure which shows some examples.

The posture shown in FIG. 4A is a case where the light emitting element panels 50L and 50R on both the left and right sides are bent inward when viewed from the observation direction indicated by the arrow E.
If it is installed in such a posture, a so-called panoramic effect can be emphasized.

The posture shown in FIG. 4B is a case where one of the left and right light emitting element panels (for example, 50 L on the left side) viewed from the observation direction indicated by arrow E is bent outward. . When installed in such a posture, a wild feeling can be emphasized.

Further, the posture shown in FIG. 4 (c), when viewed from the observation direction indicated by arrow E, is the upper two light emitting element panels 50.
Inclining M and 50N forward, the lower two light emitting element panels 50
V and 50 W are for the case of holding vertically. If it is installed in such a posture, a so-called planetarium-like effect can be expected.

Further, the posture shown in FIG. 4 (d), when viewed from the observation direction shown by the arrow E, is such that the upper and lower four stages of the light emitting element panels 50M and 50N and the panels 50V and 50W are moved from bottom to top. This is a case in which it is bent in a zigzag manner so as to gradually incline forward. When installed in such a posture, a wild sensation can be emphasized as in the case of FIG. 4B.

(Characteristics of the Embodiment) [1] In the display device shown in the embodiment, a plurality of light emitting elements are attached to a support, and a predetermined display is performed by controlling the light emission of these light emitting elements. In the display device configured as described above, a plurality of light emitting element bars 80 each having a cylindrical translucent pipe 81 as an outer container are provided with respect to the support frame 50F.
Are arranged in parallel at a predetermined interval G (for example, about 40 mm), and the plurality of light emitting element bars 80 in the one or more light emitting element panels 50 are controlled to emit light. Computer (11 ~
Emission control means (10-40, 51-53) including 13)
It is characterized by having and.

In the above display device, the light emitting element bar 8
0 has a structure in which it is fixed to the support frame 50F, and a predetermined gap of, for example, about 40 mm exists between a plurality of light emitting element bars 80 having a cylindrical light-transmitting pipe 81 as an outer container. ing. Therefore, for example, even when the display device is installed outdoors and placed in an environment where it is exposed to a strong wind, the wind smoothly passes through the gap. Therefore, the influence of the wind is less likely to occur, the display screen does not fluctuate due to the wind pressure, and the light emitting element panel 50 is not damaged by the wind pressure.

[2] In the display device shown in the embodiment, the plurality of light emitting element panels 50 are arranged in a predetermined pattern in the vertical and / or horizontal directions, and the bending means 50 are arranged between them.
It is characterized by being flexibly connected through H.

In the above display device, since the plurality of light emitting element panels 50 are flexibly connected to each other, the installation mode (installation position, installation attitude, etc.) of the entire display screen can be adjusted according to the situation of the installation site. Can be changed to some extent. Further, since each light emitting element panel 50 has a standard size and is unitized, the manufacturing process is simplified and easy to manufacture, and the transportation and the assembly work are significantly facilitated.

[3] The display device shown in the embodiment is the display device according to the above [1] and [2], wherein the light emitting element bar 80 includes a translucent pipe 81 and the transmissive pipe 81. The display module 82 is inserted into the light pipe 81, and the display module 82 is arranged along the longitudinal direction of the long substrate 83 in red (R), blue (B), and green (G). A plurality of pixels P1, P2, P3 ...
Are arranged in a line at a predetermined pitch, and the plurality of pixels P are arranged.
1, P2, P3 ... Are provided with wiring PR for light emission control.

In the above display device, the display module 82, in which a plurality of LEDs of three primary colors are arranged as pixels for one row on the long wiring board 83, is compactly housed in the transparent pipe 81. Therefore, it is easy to manufacture and handle and has excellent weather resistance.

[4] The display device according to the embodiment is the display device according to the above [3], in which the long substrate 83 of the display module 82 is the cylindrical light-transmitting pipe 81. It is a printed wiring board having a width W substantially equal to the inner diameter d of.

In the above display device, the wiring board 83 is automatically arranged at the center of the transparent pipe 81 only by inserting the wiring board 83 into the transparent pipe 81. Therefore, it is not necessary to use a special positioning member, and the assembling work becomes easy.

[5] The display device shown in the embodiment is the display device according to the above [3], and each pixel P1, P2, P3 ... In the display module 82 is at least each light emitting element panel 50. Arranged in a matrix for each
A color image can be displayed by two-dimensionally selecting and controlling light emission through the wiring PR.

In the above display device, the light emitting element panel 50 alone or a plurality of light emitting element panels 50 connected to each other.
It is possible to freely display a full-color illumination with abstract images, a TV image, or the like on the entire display screen or local area of the display. Moreover, the background on the back side of the display screen can be seen, and since it is possible to illuminate from the rear of the display screen section, the stage effect can be further enhanced when used as a stage device. It can also be used as a large-screen display device for outdoor events.

[6] The display device according to the embodiment is the display device according to the above [3], wherein the translucent pipe 81 is a pipe made of transparent polycarbonate. .

In the above display device, the translucent pipe 81 as the outer container is rich in drip-proof property and is easily available.

(Modification) The display device shown in the embodiment includes the following modifications.

A light-transmitting pipe made of a plastic material which is colored in a predetermined manner.

A flexible member is used as the bending means instead of the hinge mechanism.

An element other than the LED is used as the light emitting element.

[0045]

According to the present invention, it is possible to provide a display device having the following operational effects.

(A) In the display device of the present invention, a plurality of light emitting element bars each having a cylindrical light-transmitting pipe as an outer container are fixed to a support frame so that a predetermined gap exists between them. It has a different structure. Therefore, it is unlikely to be affected by the wind, and there is no problem that the display screen fluctuates due to wind pressure.

(B) Since the plurality of light emitting element panels are flexibly connected to each other, the display screen is installed in an arbitrary installation mode (installation position, installation attitude, etc.) according to the situation of the installation site. It is possible to

(C) Each pixel in the display module is arranged in a matrix for at least each light emitting element panel, and two-dimensionally selected via the wiring and light emission is controlled, whereby a color image can be displayed. ing. Therefore, while it is possible to display a desired image, the background on the back side of the display screen can be seen, and since it is possible to perform illumination and the like from the rear of the display screen, when used as a stage display device, It can have a remarkable stage effect.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of an entire display device according to an embodiment of the present invention.

FIG. 2 is a diagram specifically showing an internal configuration of a light emitting element panel in a display device according to an embodiment of the present invention.

3A and 3B are diagrams showing a specific configuration of a light emitting element bar in a display device according to an embodiment of the present invention, where FIG. 3A is a perspective view of a main part, FIG. 3B is a front view of a display module, and FIG. Is a rear view of the display module.

FIG. 4A to FIG. 4D are views showing an example of posture change of the entire display screen in the display device according to the embodiment of the present invention.

[Explanation of symbols]

1 ... Control system 2 ... Display system 10 ... Controller 20 ... DMX (lighting standard signal standard) console 30 ... Video device 40 ... Monitor display 50 ... Light emitting element panel 50H ... Bending means 50F ... Support frame 60 ... Hanging tool 70 ... Support rail 80 ... Light emitting element bar 81 ... Translucent pipe 82 ... Display module 83 ... Wiring board RGB ... Three primary color LED P1, P2, P3 ... Pixels

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) G09G 3/20 G09G 3/20 680W 3/32 3/32 AF term (reference) 5C080 AA07 BB05 CC03 DD21 DD30 JJ02 JJ06 KK52 5C094 AA14 AA36 AA38 AA41 AA43 AA52 BA12 BA23 CA19 CA24 DA01 DA08 DA20 ED01 HA01 HA08 HA10 5C096 AA07 AA17 AA24 AA26 AA29 BA04 BB13 BB23 BB29 DC03 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA02 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 DB22 CA22 CA22 FA04 5G435 AA07 AA13 AA17 AA19 BB04 CC09 CC12 EE16 EE17 HH02 KK03 LL04 LL19

Claims (6)

[Claims] 1. A display device configured to perform a predetermined display by mounting a plurality of light emitting elements on a support and controlling the light emission of these light emitting elements. And a plurality of light emitting element panels in which a plurality of light emitting element bars having a flexible pipe as an outer container are arranged in parallel at a predetermined interval, and the plurality of light emitting element bars in the one or a plurality of light emitting element panels are provided. A light-emission control unit including a computer for controlling light emission, and a display device. 2. The plurality of light emitting element panels are arranged in a predetermined pattern in the vertical and / or horizontal directions, and are mutually bendably connected via bending means. Display device described. 3. The light emitting element bar comprises a cylindrical translucent pipe and a display module inserted inside the cylindrical translucent pipe, wherein the display module is a long substrate. A plurality of pixels, each of which has three primary color LEDs of red, green, and blue as one pixel, are arranged in a row along a longitudinal direction of the LED at a predetermined pitch, and a wiring PR for light emission control is provided to the plurality of pixels. The display device according to claim 1, wherein the display device is a display device. 4. The long board in the display module is a printed wiring board having a width substantially equal to the inner diameter of the cylindrical light-transmitting pipe.
Display device according to. 5. Each pixel in the display module is arranged in a matrix for at least each light emitting element panel, and two-dimensionally selected via the wiring and light emission is controlled, whereby a color image can be displayed. The display device according to claim 3, wherein: 6. The display device according to claim 3, wherein the translucent pipe is a pipe made of transparent polycarbonate.