JP3198193B2 - Lightning display - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

The present invention relates to an electronic display device in which LEDs are arranged in a matrix to transmit and display information including characters, patterns, and the like.

[0002]

2. Description of the Related Art In a conventional electro-optical display device, a light-emitting element such as a light-emitting diode is arranged in a matrix on a substrate to form a flat display surface, and the lighting / non-lighting of the light-emitting element is controlled to control characters. , Symbols and the like are displayed in a flowing manner, and information is provided to people in front of the display surface.

[0003]

However, since the conventional electro-optical display device has a flat display surface, the viewing angle at which the displayed content can be recognized is limited. I couldn't figure out. In addition, since the conventional electro-optical display device performs display only in front of the device, information cannot be transmitted to people behind the display device. As described above, the conventional light-emitting display device has a limited display direction, cannot recognize display contents from all angles, and cannot sufficiently transmit display information. The present invention has been made in view of the above problems, and has as its object to provide a display device having a display surface formed in a cylindrical shape and capable of recognizing display contents from all directions.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an LED board having a plurality of LEDs arranged in a matrix on an arc-shaped printed circuit board.
A drive board for driving each LED of the board to light up, a display unit configured to support the LED board in an arc shape on one side and arranging the drive board in a plane shape on the other side, and a plane of the display unit And a polygonal frame having a plurality of corresponding planes, and a cylindrical display surface is formed by fixing the plane of each display unit to each plane of the frame, and the frame and the display unit are provided with a top plate. A display device body is formed by being sandwiched between bottom plates, and a control device connected to the drive board for display control is provided inside the frame to solve the above-mentioned problem. An LED board in which a plurality of LEDs are arranged in a matrix on an arc-shaped printed board;
A drive board for driving and driving each LED of the ED board, and a cylindrical frame that supports the LED board in an arc shape on the outer periphery thereof and supports the drive board inside the drive board, and a plurality of LED boards are mounted on the frame. And the drive board are fixed to form a cylindrical display surface, the frame is sandwiched between a top plate and a bottom plate to form a display device body, and the drive board is provided inside the frame. By providing a control device for connection and display control, the problem can be solved.

Various kinds of information are displayed electronically on a cylindrical display surface formed by arranging LEDs in a matrix, so that the displayed contents can be recognized from any place.

[0006]

First Embodiment Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an external perspective view of an electronic display device, and FIGS. 2 and 3 are cross-sectional views thereof. Reference numeral 1 denotes a cylindrical display device main body which is mounted on a gantry 2 or is supported by being suspended from a ceiling (not shown). The respective circumferential portions of the plate-shaped top plate 3 and the bottom plate 4 are raised by a spatula in opposite directions, and a cylindrical acrylic plate 5 is sandwiched between the raised portions to form a main body 1.
Is formed.

A flat n-square mounting frame 6 formed by bending a steel plate having a width between the top plate 3 and the bottom plate 4 into an n-gon shape between the top plate 3 and the bottom plate 4 inside the acrylic plate 5. And a cylindrical surface serving as a display surface is divided into n portions on the side surface of the mounting frame 6 and each has an arc-shaped display surface.
, 7 are fixed, and the display surfaces of the respective display units 7, 7, ..., 7 are connected to form a cylindrical display surface. Further, a control device 8 such as a power supply and a control circuit is disposed inside the mounting frame 6.

Each of the display units 7, 7,..., 7 disposed on the side surface of the mounting frame 6 is assembled with an LED board mounting plate 10 on which an LED board 9 is mounted and a drive board mounting plate 12 on which a drive board 11 is mounted. Form one unit. The LED board 9 has light emitting diode chips 14, 14,.
14 are arranged in a matrix to form a display surface on which one character can be displayed, and flat cables 15, 15 for giving lighting signals to the respective light emitting diode chips 14, 14,. Is out.

The LED board mounting plate 10 has the same size as the LED board 9, and has a front surface 10a forming one arc surface of a cylindrical surface which is a display surface divided into n, and both ends of the front surface 10a. Side 10 bent in the same direction
b, 10b, and rear faces 10c, 10c in which the end portions of the side faces 10b, 10b are further bent in opposite directions, and through holes 16, 16 are formed in the front face 10a.
The flat cables 15, 15 extending from the board 9 are inserted through the through holes 16, 16, and the LED board 9 is joined to the front surface 10a of the LED board mounting plate 10 by a double-sided tape or an adhesive.

The drive board 11 has an electric component 17 such as a driving IC for driving the light emitting diode chips 14, 14,..., 14 on the front surface thereof, and a power cable 18 connected to the control device 8 from the rear surface thereof. Extending joint cables 19 for inputting and outputting display data to and from the drive boards 11, 11, respectively. Also,
The drive board mounting plate 12 has a width between the rear surfaces 10c, 10c of the LED board mounting plate 10, and has a through hole 20,
21 and 21 are drilled and each cable 15, 15, 18, 1
9 and 19 are inserted through the through holes 20, 21 and 21, and the spacer nut 22 erected on the side surface of the drive board 11 is fixed from the back surface of the drive board mounting plate 12 with screws to attach the drive board 11. Each of the mounting plates 10 and 12 on which the boards 9 and 11 are mounted is an LED board mounting plate 10.
The two rear surfaces 10c, 10c and both ends of the drive board 11 are fixed with screws, and the tip of the flat cable 15 extending from the LED board 9 is connected to the drive board 11
Connected to the connector.

Each of the n display units 7, 7,..., 7 unitized in this manner is a respective one of the display units 7, 7,.
The power cable 18 and the joint cables 19, 19 extending from the rear surface of the mounting frame 6 are inserted through the through holes 23, 24, 24 drilled in the side surface of the mounting frame 6, and are fixed from the rear surface of the mounting frame 6 with screws, and further adjacent thereto. The matching display units 7 are connected by joint cables 19.

The display device having the above-described structure is used to turn on / off the light emitting diode chips 14, 14,..., 14 from the control device 8 to the drive board 11 of the display unit 7 based on the display data registered in advance in the control device 8. A control signal for non-lighting is output, and information such as characters and patterns is displayed in a flowing manner. In the present invention, since the display surface is formed in a cylindrical shape, information can be provided in all directions, and the display contents can be grasped from any direction of 360 degrees. Therefore, the effect of information transmission is remarkably improved as compared with a conventional display device having a flat display surface. Also, by mounting the display units 7, 7,..., 7 on the side surfaces of the mounting frame having a planar polygonal shape, the positioning of the display units 7, 7,. .., 7 can be easily mounted. Also, the light emitting diode chip 14
Alternatively, even if a failure occurs in the drive board 11, maintenance work can be performed only by replacing only the target display unit 7, and the display unit 7 can be easily replaced.

[0013]

Second Embodiment Next, a second embodiment of the present invention will be described with reference to FIG. In the second embodiment, the mounting structure of the LED board 9 is different. Note that the same reference numerals are given to those having the same structure.

The mounting frame 25 provided inside the acrylic plate 5 is formed in a cylindrical shape, and a plurality of through holes 26, 26,... The flat cables 15, 15 extending from the plurality of LED boards 9, 9,... 9 described in the first embodiment are inserted into the through holes 26, 26,.
The ED boards 9, 9,..., 9 are sequentially bonded to form a cylindrical display surface, and are sandwiched between the top plate 3 and the bottom plate 4. Also, on the inner peripheral surface of the mounting frame 25, each LED board 9,
Drive boards 11, 11,... Corresponding to 9,.
11 are fixed, and spacer nuts 27 erected on the drive boards 11, 11,..., 11 are fixed with screws from the upper and lower ends of the outer peripheral surface of the mounting frame 25.
, 11 are attached.

In the second embodiment constructed as described above, the flexible LED boards 9, 9,..., 9 are directly bonded to the mounting frame 25, so that the respective boards 9, 11 are mounted as in the first embodiment. The mounting plates 10 and 12 are not required, and the number of parts is reduced, thereby simplifying the assembling work.

[0016]

The present invention is configured as described above, and includes an LED.
Are arranged in a matrix and the display surface is formed in a cylindrical shape, so that display contents can be recognized from all directions, and the effect of information transmission can be remarkably improved. Also, the display device body is formed by sandwiching the cylindrical display surface between the top plate and the bottom plate, and display control is provided inside the frame inside the main body, so that almost the entire peripheral side of the main body is displayed. A compact display device having a flat surface can be obtained. By mounting the display unit on the side surface of the polygonal frame as described in claim 1, positioning and mounting can be easily performed when forming a cylindrical display surface, and furthermore, failure occurs in the LED and the drive board. Can be removed and repaired / replaced for each display unit, and maintenance work can be easily performed. Further, by fixing the LED board and the drive board to the outer and inner surfaces of the cylindrical frame, respectively,
The number of parts can be reduced, and assembly work can be simplified and costs can be reduced.

[Brief description of the drawings]

FIG. 1 is an external perspective view of an electro-optical display device according to an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of an electro-optical display device according to a first embodiment of the present invention.

FIG. 3 is a cross-sectional view of the electro-optical display device according to the first embodiment.

FIG. 4 is a perspective view of a display unit 7 in the electro-optical display device of the first embodiment.

FIG. 5 is an enlarged sectional view of a main part of the electro-optical display device of the first embodiment.

FIG. 6 is a cross-sectional view of a display device according to a second embodiment of the present invention.

[Explanation of symbols]

 7 display unit 9 LED board corresponding to display panel 14 light emitting diode 25 mounting frame

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tatsuo Shibata 1825 Amemiya Amemiya, Koshoku-shi, Nagano Pref. Akira Takagi (56) References JP-A-63-88593 (JP, A) JP-A-54-87546 (JP, A) JP-A-61-186987 (JP, A) JP-A-3-6675 (JP, A) U) Japanese Utility Model Hei 4-72270 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) G09F 9/30-9/46

Claims (2)

(57) [Claims] 1. An electronic display device in which LEDs are arranged in a matrix to display information such as characters , a plurality of LEDs arranged in a matrix on an arc-shaped printed board.
LED board in which LEDs are arranged, and each LED of the LED board
Drive board, and the LED board on one side
Comprising a chromatography de and display units constituting arranged in a plane drive board to the other on one side while supporting the arcuate, and a frame of polygonal shape having a plurality of plane corresponding to the plane of the display unit, the By fixing the plane of each display unit to each plane of the frame, a cylindrical display surface is formed, and the frame and the display unit are sandwiched between a top plate and a bottom plate.
To form a display device body, and a
A control device is connected to the drive board for display control.
Electronic display device, characterized in that digit. 2. The LEDs are arranged in a matrix to form characters and the like.
In an electric light display device for displaying information, Multiple LEDs in a matrix on an arc-shaped printed circuit board
LED board in which LEDs are arranged, and each LED of the LED board
And a drive board for driving and lighting the LE
D board is supported in an arc shape, and the
A cylindrical frame for supporting the eve board.
Fix multiple LED boards and drive boards to the frame
To form a cylindrical display surface, The display device body with the frame sandwiched between a top plate and a bottom plate
Forming the drive board inside the frame.
And a control device that performs display control by connecting with
Lightning display device.