KR100597079B1 - Module and display apparatus including light emmitting diode dot line units - Google Patents

Abstract

The present invention relates to a display module including a plurality of light emitting diode dot line units and a display device including at least one display module. A display module having a plurality of light emitting diode dot display elements includes a plurality of dot line units that form a display element array of dot display elements in line units, and are connected to the dot line units to support and fix the dot line units. At least one pair of fixing bars operating as a power line for supplying power to the dot line units, and a plurality of fastenings for fixing the dot line units and the fixing bars and fastening them to be electrically connected between the dot line units and the fixing bars. A part is provided. Therefore, according to the present invention, the display module of the present invention can simplify the weight and structure of the display module by modularizing a plurality of LED arrays in line units and supplying power using fixing bars supporting and fixing them. It is therefore easy to install and maintain, reducing manufacturing costs, installation and maintenance costs.

Display device, display module, LED, dot line unit, electronic board, power line

Description

Display module including a plurality of light emitting diode dot line unit and a display device including the same {MODULE AND DISPLAY APPARATUS INCLUDING LIGHT EMMITTING DIODE DOT LINE UNITS}

1A is a front view of a typical light emitting diode dot matrix module;

FIG. 1B is a view showing a rear surface of the dot matrix module shown in FIG. 1A; FIG.

2A illustrates a schematic structure of a display panel including a light emitting diode dot line unit according to an embodiment of the present invention;

2B is a view showing a schematic structure of a display panel including a light emitting diode dot line unit according to another embodiment of the present invention;

3 is a view showing a coupling structure of dot line units of a display panel according to an embodiment of the present invention;

4 illustrates a coupling structure of dot line units of a display panel according to another exemplary embodiment of the present invention;

5 is a cross-sectional view showing a fastening structure between the dot line unit and the printed circuit board shown in FIG. 3 or 4;

6 is a cross-sectional view showing a fastening structure between the dot line unit and the fixed support bar shown in FIG. And

FIG. 7 is a diagram illustrating a connection state between the dot line units illustrated in FIG. 4.

Explanation of symbols on the main parts of the drawings

100: display module 100a, 100b: display panel

102: LED dot display element 104: printed circuit board

105: fastening member 106: drive circuit

108: connector 110: dot line unit

112: body 114: hole

116a, 116b: sliding insert 120: fixed bar

122, 124: fastening member 126: insulating member

128: connecting member

The present invention relates to a display device, and more particularly, to a display module including a plurality of dot line units in which a light emitting diode array is modularized on a line basis, and a display device including the same.

Today, display devices for providing various information (for example, news, advertisements, sports relays and / or traffic information, etc.) are of various kinds. Such display devices are, for example, CRT, LCD, PDP or LED dot matrix display devices.

Currently, a display device using a light emitting diode dot matrix module, for example, a display board system, is widely used in various fields. Display board systems provided indoors and outdoors, such as subway stations, airports, bus terminals, sports stadiums, and high-rise buildings, are used as display devices that provide various information such as breaking news, traffic information, advertisement information, or sports relay. Such an electronic signboard system will be used in more applications and places by arranging light emitting diodes and the like in a dot matrix form to provide not only various characters and figures but also video information. In particular, since full color can be implemented by commercializing a blue LED, it is being used more variously.

In general, an electronic display system includes a plurality of light emitting diode arrays as one dot matrix module, and is implemented by combining a plurality of dot matrix modules according to display panel size or resolution.

After receiving a video signal from an AV device such as a DVD, a VCR, and a broadcasting device, which is a video medium, and converting the received video signal into a signal for LED suitable for an electronic display system in a driving circuit and a display controller (not shown), Various images are displayed by operating a light emitting diode according to a signal.

1A and 1B, a general LED dot matrix module 10 and a display panel having the same include a plurality of dot matrix modules 10 suitable for the size or resolution of the display panel. In addition, the dot matrix module 10 includes a printed circuit board 12, and includes a plurality of arrays of light emitting diodes 2 on the front side and a plurality of the image signals from the image processing apparatus (not shown) on the back side. A driving circuit 8, a data connector 4 for data transmission between the image processing apparatus and another dot matrix module, and a power connector 6 for supplying driving power for the dot matrix module.

The dot matrix module 10 has, for example, 16 * 16 dots, as shown in Fig. 1A, and the dots 2 each operate as one pixel. The dot matrix module 10 is formed of a flat surface, and the entire flat surface is formed in a sealed form for waterproofing. Because of this structure, it is difficult to attach to the curved wall of the building, and because the window or the wall of the building, etc. to cover, it requires a separate installation space. Therefore, the installation and maintenance of the display device is very inconvenient.

In addition, the display panel including at least one of the dot matrix modules 10 is heavy due to the components of the dot matrix module 10 described above, and the wind pressure is increased, thereby increasing the structure of the display device. You lose.

In addition, by using a fastening member such as a bolt to fix the printed circuit board 12 of the dot matrix module 10, and using wiring for data transmission between the printed circuit boards 12, the dot matrix module ( 10) increases in size, and its structure becomes complicated.

Therefore, the existing LED dot matrix module and the display device having the same have a problem in that manufacturing cost, installation and maintenance cost are increased.

In addition, when installed externally, there is a difficulty in waterproofing due to exposure of the wiring, and the like, the arrangement of aesthetical wiring is complicated, and thus there is a problem in that the reliability of the display device is lacking.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems, and to implement a display module for modularizing a plurality of LED arrays in line units for easy installation and maintenance.

Another object of the present invention is to solve the above-described problem, and to provide a display device that facilitates the fastening structure of a plurality of modular light emitting diode dot line units.

Another object of the present invention is to solve the above problems, and to provide a light emitting diode dot line unit and a display device having the same for reducing the manufacturing cost, installation and maintenance costs.

According to an aspect of the present invention for achieving the above object, a display module having a plurality of dot display elements, a plurality of dot line units for forming a display element array in line units of the dot display elements; At least one pair of fixing bars fastened to the dot line units to support the dot line units and operating as a power line for supplying power to the dot line units; A plurality of fastening parts are fixed to the dot line units and the fixing bars, and fastened to be electrically connected between the dot line units and the fixing bars.

In a preferred embodiment of this aspect, the dot line unit comprises; A printed circuit board having a display element array in line units on a front surface, a driving circuit driving the display element array on a rear surface thereof, and the printed circuit board is slidably mounted and separated, and the printed circuit board is formed by the fastening unit. It includes a body portion having a first hole to be connected to the power supply terminal. The printed circuit board includes a connector for connecting another dot line unit in series at an upper portion and a lower portion thereof, and transmits data between the dot line unit and the other dot line units through the connector.

In a preferred embodiment of this feature, the fixing bars are each provided with a conductor, one of the fixing bars supplies a power supply voltage, and the other is grounded. The fixing bars may include a plurality of second holes corresponding to dot pitches such that the dot line units and the fastening portions are coupled to each other.

In a preferred embodiment of this feature, the fastening portion; A first fastening member inserted into a power supply terminal of the printed circuit board, a second fastening member for coupling the fixing bar and the body portion, and a connection member for electrically connecting the first and second fastening members to each other; Include. At this time, the connection member is provided as an inner conductor and the outside is provided as an insulator such that the first and second fastening members are electrically connected.

In a preferred embodiment of this aspect, the display device is coupled to the dot line unit and the fixing bar, and further comprises an insulator in the coupled portion.

According to an aspect of the present invention for achieving the above object, a display device having a plurality of dot display elements, including at least one display module; The display module may include: a plurality of dot line units forming a display element array in line units among the dot display elements; At least one pair of fixing bars fastened to the dot line units to support the dot line units, and operating as power lines for supplying power to the dot line units; A plurality of fastening parts are fixed to the dot line units and the fixing bars, and fastened to be electrically connected between the dot line units and the fixing bars.

In a preferred embodiment of the present invention, the dot line unit includes a printed circuit board having a display element array in units of lines on a front surface thereof, a driving circuit driving a display element array on a rear surface thereof, and a sliding of the printed circuit board. It is mounted, separated, and includes a body portion provided to be connected to the power terminal of the printed circuit board by the fastening portion. Each of the fixing bars is provided as a conductor, one of the fixing bars supplies a power voltage, and the other is grounded.

Therefore, according to the present invention, the fixing bars are fixed to and support the dot line units and the fixing bars at the rear of the plurality of dot line units in which a plurality of light emitting diode arrays are formed in line units, and fastened to be electrically connected to the dot lines. It acts as a power line to supply power to the units.

DETAILED DESCRIPTION Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2A illustrates a schematic structure of a display panel including a light emitting diode dot line unit according to an exemplary embodiment of the present invention, and FIG. 2B illustrates a display including a light emitting diode dot line unit according to another exemplary embodiment of the present invention. It is a figure which shows schematic structure of a panel. That is, the display panel 100 of FIG. 2A modularizes the plurality of light emitting diode arrays 110 in a column unit, and the display panel 100 'of FIG. 2B uses the plurality of light emitting diode arrays 110'. Modularized by row.

2A to 2B, the display panel 100 or 100 ′ of the present invention includes a plurality of dot line units 110 or 110 ′ in which a light emitting diode array is modularized in line units. For example, in order to implement 16 * 16 dots, the display panel 100 or 100 'has each dot line unit 110 or 110' connected to sixteen LED display elements on one printed circuit board 104. 102 are provided to form a module. In addition, the dot line units 110 or 110 'are constituted of 16, so that the entire display panel 100 or 100' forms 16 * 16 dots. Here, the display panel 100 or 100 'has a structure of 16 * 16 dots, but modification to various display panels is obvious according to the size and shape of the dot line unit.

Specifically, a display panel including the dot line units 110 will be described with reference to FIGS. 3 to 7.

3 is a diagram illustrating a coupling state of dot line units of a display panel according to an exemplary embodiment.

Referring to the drawing, the display panel 100a includes a plurality of dot line units 110 and a pair of fixing bars 120: 120a and 120b fastened to the dot line units 110.

The fixing bars 120 are provided with a light weight and rigid conductor (for example, aluminum), and the front or the front of the dot line units 110 to support and fix the dot line units 110. It is fastened to the rear surface, and operates as a power supply line for supplying a power supply voltage to the dot line units 110, respectively. For example, one of the fixing bars 120 is a power supply voltage line 120a and the other 120b is grounded. To this end, the fixing bars 120 have a plurality of holes (see FIG. 6) corresponding to the plurality of dot line units 110 coupled thereto. The hole spacing may be provided corresponding to the dot pitch of the display panel 100a.

And the display panel 100b of another embodiment has a plurality of display modules 110, as shown in FIG.

That is, referring to FIG. 4, in the display panel 100b, display modules 101 and 103 having a plurality of dot line units 110 are coupled up and down. Here, each of the dot line units 110 is connected in series by the fastening member 105, and the fixing bars 120: 120a and 120b are provided to correspond to the display modules 101 and 103, respectively.

FIG. 5 is a cross-sectional view taken along the line BB ′ of the dot line unit illustrated in FIG. 3 or 4.

Referring to the drawings, the dot line unit 110 is a body portion 112 constituting the housing of the dot line unit 110, and the printed circuit board 104 is slidably fastened to both ends of the front upper portion of the body portion 112. ).

The body portion 112 has a mechanical mechanism, that is, insertion portions 116a and 116b so that the printed circuit board 104 is inserted into both front upper ends. In addition, the rear surface of the body portion 112 is formed in a plane, and has a hole 114 to couple the fixing bar 120.

The printed circuit board 104 has a plurality of light emitting diodes 102 mounted on a front surface thereof, and a driving circuit 106 including a plurality of integrated circuits for driving the light emitting diodes 102 mounted on a rear surface thereof. The upper and lower ends of the printed circuit board 104 are slid into and inserted into or removed from the insertion portions 116a and 116b of the body 112.

6 is a cross-sectional view taken along line A-A 'illustrating a fastening structure between the dot line unit and the fixing bar illustrated in FIG. 3 or 4.

Referring to the drawings, the dot line unit 110 is coupled to the fixing bar 120a or 120b by fastening parts 122 to 128, and is electrically connected to a power terminal of the printed circuit board 104.

The fastening parts 122 to 128 may include a first fastening member 124 inserted into a hole formed in a power terminal of the printed circuit board 104, a hole of the fixing bar 120a or 120b, and the body part 112. A second fastening member 122 and the first and second fastening members 124 and 122 which are inserted into the holes of the second coupling member 120 so as to couple the fixing bar 120a or 120b to the dot line unit 110. And a connecting member 128 to be electrically connected.

The first and second fastening members 124 and 122 are, for example, provided with bolts and silicone rings to solve the problems of waterproofing and aesthetics.

The connecting member 128 is provided with an inner conductor and an outer is provided with an insulator, and the first and second fastening members 124 and 122 have the dot line unit 110 and the fixing bar 120. When coupled to the first and second fastening members 124 and 122 to be electrically connected.

In addition, the fastening parts 122 to 128 are coupled to the dot line unit 110 and the fixing bar 120 by the first and second fastening members 124 and 122, and an insulator (eg For example, silicon).

7 is a diagram illustrating a connection state between the dot line units illustrated in FIG. 4.

Referring to the drawings, when the dot line unit 110 is connected in series with other dot line units in the upper and lower portions, the respective connectors 108 (108a and 108b) for mutual data transmission are provided on upper and lower portions of the printed circuit board 104. ). Therefore, the plurality of dot line units 110 may be connected in series to each other to transmit data.

In addition, the dot line units 110 are fixed and supported by fastening members 105 that couple the body 112 when connected in series.

In the above, although the technical spirit of the present invention has been described in detail using specific embodiments of the present invention, it will be apparent that various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be defined by the following claims and their equivalents.

As described above, the display module of the present invention can simplify the weight and structure of the display module by modularizing a plurality of LED arrays in line units and supplying power using fixing bars for supporting and fixing them.

In addition, by implementing a display panel using a plurality of display modules, the wiring and fastening structure is simplified, and installation and maintenance are easy.

As a result, it is possible to reduce the manufacturing cost, installation and maintenance cost of the display module and the display panel including the plurality of light emitting diode array module by line.

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Claims (11)

In a display module having a plurality of dot display elements: A plurality of dot line units forming the dot display elements in a line array of display elements; At least one pair of fixing bars supporting the dot line units and operating as a power line for supplying power to the dot line units; And a plurality of fastening parts for fastening the dot line units and the fixing bars to connect the power supply lines to the dot line units from the fixing bars. The method of claim 1, The dot line unit; A printed circuit board having a display element array in line units on a front surface and a driving circuit for driving the display element array on a rear surface thereof; And a body part having a plurality of first holes to be slidably mounted and detached from the printed circuit board and connected to a power terminal of the printed circuit board by the fastening part. The method of claim 2, The printed circuit board is provided with a connector for connecting the printed circuit board of the other dot line unit in the upper and / or lower part in series, And a data transfer between the dot line unit and the other dot line units through the connector. The method of claim 1, The fixing bars are each provided as a conductor, One of the fixing bars supply a power supply voltage, the other is grounded display module. The method according to claim 1 or 4, And each of the fixing bars includes a plurality of second holes such that the dot line units and the fastening portions are coupled to each other. The method of claim 2, The fastening part; A first fastening member inserted into a third hole formed in a power terminal of the printed circuit board; A second fastening member inserted into the second hole formed in the fixing bar; And a connecting member inserted into the second hole and allowing the first and second fastening members to be electrically connected to each other. The method of claim 6, The connecting member is a display module, characterized in that the inside is provided with a conductor, the outside is provided with an insulator so that the first and the second fastening member is electrically connected. The method of claim 1, The display module is a display module, characterized in that the dot line unit and the fixing bar is coupled, and further comprising an insulator in the coupled portion. In a display device having a plurality of dot display elements: At least one display module; The display module, A plurality of dot line units for forming the dot display elements into a line array of display elements; At least one pair of fixing bars supporting the dot line units and operating as a power line for supplying power to the dot line units; And a plurality of fastening parts for fastening the dot line units and the fixing bars to connect the power supply lines to the dot line units from the fixing bars. The method of claim 9, The dot line unit, A printed circuit board having a display element array in line units on a front surface and a driving circuit for driving the display element array on a rear surface thereof; And a body part to which the printed circuit board is slid, mounted and separated, and connected to the power terminal of the printed circuit board by the fastening part. The method of claim 9 or 10, The fixing bars are each provided as a conductor, One of the fixing bars supplies a power supply voltage, and the other is grounded.

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