KR20050102969A - Display module and display apparatus including display modules - Google Patents

Abstract

The present invention relates to a LED display device module and a display device having the same. The display device of the present invention composes a screen in units of dots using light emitting diode display element modules formed of a plurality of light emitting diodes. The plurality of LED display device modules are interconnected in a line form using data signal lines and power supply lines, thereby facilitating data transmission and signal wiring. Each LED display device module is provided at both ends of a plurality of lines connected in series to maintain a gap between the lines. Therefore, according to the present invention, it can be installed without being restricted by the installation environment of the display device, and can display various video information without being affected by the wind pressure. In addition, manufacturing costs are reduced and aesthetically pleasing images of the installation site can be obtained.

Description

LIGHT MODULE AND DISPLAY APPARATUS INCLUDING DISPLAY MODULES}

The present invention relates to a display device, and more particularly, to a light emitting diode display device module and a display device having the same.

In a conventional electronic display system, when pixel intervals are narrow, a plurality of dot pixels in a matrix form or a line form are generally connected to form a display screen by forming a surface or a line.

However, when the pixel spacing is wide, the area between the pixels must be used to widen the pixel spacing, so that the constituent materials of the electronic display system (for example, components of the display panel, support members, or fastening members, etc.) are consumed. Costs will rise due to the increase in installation and man-hours. In addition, there are many aesthetic disadvantages, such as an increase in the weight of the electronic signboard system, resulting in a large number of structural constraints in accordance with the installation environment, and a large area covering the installation wall.

An object of the present invention is to solve the above-described problem, to provide a display module of a pixel unit using a plurality of light emitting diodes.

Another object of the present invention is to solve the above-described problem, and to provide a display apparatus for removing aesthetic, installation environment, and wind pressure restrictions by using display modules in a pixel unit.

Another object of the present invention is to solve the above-described problem, to provide a display device for reducing the manufacturing cost by configuring a screen by a dot unit using a display element module formed of a plurality of light emitting diodes as one pixel have.

According to an aspect of the present invention for achieving the above object, a display module includes a plurality of light emitting diodes forming one pixel; A printed circuit board on which the light emitting diodes and driving circuits for driving the light emitting diodes are mounted; A body part having the printed circuit board embedded therein so as to emit the light emitting diode toward the front; Data signal lines drawn to one side of the side of the body and drawn to the other side of the side to transmit data for driving the light emitting diodes; And a power supply line drawn into the one side of the body portion and drawn out to the other side to supply power to the light emitting diodes.

In a preferred embodiment of the present invention, the body portion is provided in a cylindrical shape, and the data signal lines include at least three signal lines to output red, green, and blue colors corresponding to the light emitting diodes. In this case, the data signal lines are provided with optical cables.

According to another aspect of the present invention for achieving the above object, a display device comprising: a plurality of display modules each having a plurality of light emitting diodes forming one pixel; And a support part provided at both ends of the plurality of lines connecting the display modules to form one line to fix and support the lines corresponding to the pitch of the display device.

In a preferred embodiment of this feature, the display module comprises; A printed circuit board on which the plurality of light emitting diodes, the light emitting diodes, and driving circuits for driving the light emitting diodes are mounted, and a body part having the printed circuit board embedded therein so that the light emitting diodes emit light in front; Data signal lines drawn to one side of the side of the body and drawn to the other side of the side to transmit data for driving the light emitting diodes, and drawn to the one side of the body and drawn to the other side to supply power to the light emitting diodes. Including power supply lines for supplying; The lines are fastened and held by the display modules using the data signal lines and the power supply lines, respectively. The data signal lines, the power supply lines, and the driving circuits receive the data and the power through the support to drive the display modules.

Therefore, according to the present invention, a plurality of LED display element modules configured in units of dots of a display screen are interconnected in a line form using data signal lines and power supply lines. Each LED display device module is provided at both ends of a plurality of lines connected in series to maintain a gap between the lines.

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

1 is a perspective view showing a light emitting diode display device module according to the present invention, Figure 2 is a cross-sectional view showing a detailed configuration of the light emitting diode display device module shown in FIG.

Referring to FIG. 1, the light emitting diode (LED) display device module 10 is a display device in which a plurality of light emitting diodes 12: 12a to 12c are formed of one pixel or dot. Module to output the dot unit of.

The LED display device module 10 has a cylindrical body portion 18, the light emitting diodes 12: 12a to 12c are provided on a front surface thereof, and data signal lines 16 and a side surface of the body portion 18. Power supply lines 14: 14a and 14b are penetrated.

Specifically, referring to FIG. 2, the LED display device module 10 includes a plurality of light emitting diodes 12: 12a to 12c, the light emitting diodes 12: 12a to 12c, and the light emitting diodes. A printed circuit board 24 for mounting a driving circuit 20 (e.g., an integrated circuit and / or a peripheral circuit) for driving (12: 12a-12c), and the printed circuit board 24 is mounted and Body portion 18 forming the body of the LED display device module 10, a plurality of data signal lines 16 and the power supply lines (14: 14a), which is introduced into one side of the body portion 18 and drawn out to the other side; 14b).

The light emitting diodes 12 are provided with light emitting diodes of at least three R, G and B colors, for example for full color.

The body portion 18 may be provided, for example, in a cylindrical or polygonal column, and the front surface of the light emitting diodes 12 may be configured to emit light by forming one pixel. The front surface of the body portion 18 is covered with a waterproof member 22 so that the light emitting diodes 12 and the printed circuit board 24 is waterproofed. Sides of the body portion 18 penetrate the data signal lines 16 and the power supply lines 14 in the vertical direction. That is, the data signal lines 16 and the power supply lines 14 are led to one side of the body portion 18 and connected to the data and power terminals (not shown) of the printed circuit board 24, respectively. Again the body portion 18 is drawn out to the other side. And the body portion 18 is sealed so that the rear surface of the printed circuit board 24 is protected, waterproof.

The data signal lines 16 are provided with, for example, optical cables, wires, and the like, and at least three lines are required to output R, G, and B colors.

In addition, two power supply lines 14 are provided for power supply voltage and ground. That is, one 14a or 14b of the power supply lines 14 supplies a power supply voltage (for example, 5 to 24 V), and the other 14b or 14a is grounded.

In addition, the data signal lines 16 and the power supply lines 14 are preferably provided with the wires or copper wires such that the power supply lines 14 are connected to the LED display element modules 10 as one line. In order to form up and down (or left and right) in series, the interval (that is, the pitch) of each LED display element module 10 is fixed and maintained.

3 is a view showing a display device having LED display device modules according to the present invention.

Referring to the drawings, the display apparatus 100 is formed by connecting a plurality of the LED display device modules 10 in series to form a single line, and includes a plurality of these lines. And support parts 110a and 110b provided at both ends of the lines to fix and support the LED display device modules 10 vertically and horizontally in response to a pitch.

In addition, the support parts 110a and 110b may include a driving circuit and / or a control circuit (not shown) for driving or controlling the LED display element modules 10 or supplying an image source. Shown) and a power supply device (not shown) for supplying power to the display apparatus 100, and the data signal lines 16 and the power supply lines 14 are connected to the LED display device module. 10 are provided to enable data transmission and power supply. In this case, one support 110a or 110b may supply a power supply voltage, and the other support 110b or 110a may be provided to be grounded.

Each of the lines is a plurality of LED display device modules 10 are electrically connected and mechanically fastened using the data signal lines 16 and the power supply lines 14, the LED display device module 10 The gap between them is kept fixed.

Therefore, the display apparatus 100 is suitable for a large display board system having a large dot pitch (for example, about 5 cm or more), and outputs color image information.

Therefore, the display apparatus 100 of the present invention can easily provide power and data of pixels implemented by the LED display device module 10 and each module 10 through the data signal lines 16 and the power supply lines 14. ) Connect them up and down (or left and right) like a ball of beads to secure them in space. In addition, the modules 10 are fastened to the support parts 110a and 110b to maintain a space between the lines.

Therefore, the display apparatus 100 connects the LED display device modules 10 modularized in units of dots and configures a plurality of lines corresponding to the resolution of the display apparatus 100, thereby reducing manufacturing costs. It can be installed regardless of the installation environment with various modifications without overlooking the aesthetics. In addition, the wind pressure can be further reduced by modularizing the dots.

4 is a view showing a display device to which an embodiment of the present invention is applied to a building. Here, detailed descriptions of components of the display apparatus 100 illustrated in FIG. 3 will be omitted.

Referring to the drawings, the display apparatus 100 is an electric signboard system installed in the front of the building 2 and includes a plurality of LED display device modules 10. Although not shown in the drawing, an image device for providing text and image information for information such as advertisements, securities, traffic, broadcasting, etc. is connected to the display apparatus 100 using the support units 110a and 110b.

Normally, the electronic display system requires, for example, about 80,000 to 300,000 pixels, and at least about 10,000 pixels can display video information. Therefore, the display device 100 preferably includes about 10,000 or more LED display device modules 10 to output video information.

Therefore, the display apparatus 100 does not implement a display screen in units of planes, but may be installed without being restricted by wall conditions such as the glass windows 4 of the building 2 by using modules in units of points. Displays various video information without being affected. In addition, data transmission and signal wiring are easy by fastening the modules of each point unit using the data signal line and the power supply line.

As described above, a display device using general light emitting diodes forms a screen in units of planes. However, the display device of the present invention configures a screen in dots, that is, pixel units, and drives them to realize a large display board system having a large dot pitch.

As described above, the present invention configures a screen in units of dots by using display element modules formed of a single pixel (or dot) with a plurality of light emitting diodes, and thus can be installed without being restricted by an installation environment, and affects wind pressure. Display a variety of video information without receiving.

In addition, by implementing the display device using the display unit modules in units of dots, manufacturing cost is reduced compared to the display units in units of units using a dot matrix module, a line unit module, etc., and a good image of an aesthetical installation location can be obtained. .

In addition, the display device of the present invention, which is used as an electronic sign system, connects a plurality of display element modules in series, thereby fastening data transmission and signal wiring by fastening the respective modules using data signal lines and power supply lines.

1 is a perspective view showing a LED display device module according to the present invention;

FIG. 2 is a cross-sectional view showing a detailed configuration of the LED display element module shown in FIG. 1; FIG.

3 illustrates a display device having light emitting diode display element modules according to the present invention; And

4 is a view showing a display device to which an embodiment of the present invention is applied to a building.

Explanation of symbols on the main parts of the drawings

10 LED display element module 12 light emitting diode

14 power line 16 data line

18 body portion 20 drive circuit

22: waterproof member 24: printed circuit board

100: display device 110a, 110b: support

Claims (7)

In the display module: A plurality of light emitting diodes forming one pixel; A printed circuit board on which the light emitting diodes and driving circuits for driving the light emitting diodes are mounted; A body part having the printed circuit board embedded therein so as to emit the light emitting diode toward the front; Data signal lines drawn to one side of the side of the body and drawn to the other side of the side to transmit data for driving the light emitting diodes; And a power supply line drawn into the one side of the body portion and drawn out to the other side to supply power to the light emitting diodes. The method of claim 1, Display module characterized in that the body portion is provided in a cylindrical shape. The method of claim 1, And the data signal lines include at least three signal lines to output red, green, and blue colors corresponding to the light emitting diodes. The method according to claim 1 or 3, The data signal line is a display module, characterized in that provided with an optical cable. In the display device: A plurality of display modules each having a plurality of light emitting diodes forming one pixel; And a support part provided at both ends of the plurality of lines connecting the display modules to form one line to fix and support the lines corresponding to the pitch of the display device. The method of claim 5, The display module; The plurality of light emitting diodes, A printed circuit board on which the light emitting diodes and driving circuits for driving the light emitting diodes are mounted; A body part having the printed circuit board embedded therein and having the light emitting diode emitting light to the front; Data signal lines which are drawn to one side of the side of the body portion and drawn to the other side of the side to transmit data for driving the light emitting diodes; A power supply line drawn into the one side of the body portion and drawn out to the other side to supply power to the light emitting diodes; And the lines are fastened and held by the display modules using the data signal lines and the power supply lines, respectively. The method of claim 6, And the data signal lines, the power supply lines and the driving circuits receive the data and the power through the support to drive the display modules.