KR20210009962A - LED Lighting System for Embodying Media Facade - Google Patents

Abstract

According to an LED lighting system implementing media facade of the present invention, the present invention is configured to implement a media facade by controlling a large amount of LEDs of tens to hundreds of thousands or more according to an input image and projecting LED light directly onto the exterior of a building, a sculpture, and a bridge, thereby solving the problems associated with restrictions on the installation of the existing media facade, which must be installed directly on an exterior wall of a building. In particular, it is possible to express the color of the input image more clearly through separate control of various colors and white and warm white LEDs. A light source unit, a light source output control unit, a media communication analysis control unit, and a dmx communication control unit are integrated in one board printed circuit board (PCB), so that image conversion and communication control are possible from the PC without attaching a separate control means.

Description

LED Lighting System for Embodying Media Facade}

The present invention relates to an LED lighting system that implements a media facade, and more particularly, it is possible to implement a media facade by controlling a large amount of LEDs of tens to hundreds of thousands or more according to an input image to illuminate the exterior of buildings, sculptures, bridges, etc., In particular, it relates to an LED lighting system that implements a media facade in which a variety of colors and white and warm white LEDs can be more clearly expressed through separate control.

Media Facade is a compound word of'Facade' and'Media', which refers to the exterior of a building. It is a media function by installing LED lights on the exterior wall of a building to use the media as a display space. Tell an example of doing.

It is a form of digital signage because it uses urban architecture as a medium to convey information as well as visual beauty, and it refers to a new trend in 21st century architecture that combines lighting and image information technology (IT).

A plurality of LED lighting devices are used to install a media facade that is mounted on the exterior wall of a building and expresses various advertisements or works of art, and these lighting devices are combined and signed with each other to express various advertisements or works of art with light. .

In addition, the media facade is used by connecting a plurality of LED lighting devices to each other so that it can be used not only on the exterior wall of a building but also on various spaces such as general walls.

Therefore, a multimedia LED device that enables not only landscape lighting but also video expressions constitutes an LED array in which a full-color cluster (module) in which a number of R, G, and B color LEDs are built-in is connected in series, and controls each color LED. A separate LED controller is provided for this.

The LED controller has a built-in program for controlling the emission color and emission time of a plurality of full-color clusters, and displays various images produced by loading image files or video files produced by flash programs into a memory card.

On the other hand, since the existing media facade must be installed directly on the exterior wall of the building, there are many limitations in installation, such as difficulty in manufacturing and installing fixtures and installing curved surfaces according to the characteristics of the building.

Korean Registered Patent Publication No. 10-0724590

The present invention was conceived to solve the above-described problem, and by controlling a large amount of LEDs of tens to hundreds of thousands or more according to the input image, by configuring to implement a media facade by directly projecting it on the exterior of buildings, sculptures, bridges, etc. , It is possible to solve the problem of restrictions on the installation of the existing media facade that must be installed directly on the exterior wall of the building, and in particular, it is possible to express the color of the input image more clearly through separate control of various colors and white and warm white LEDs. , The light source unit, the light source output control unit, the media communication analysis control unit, and the dmx communication control unit are all-in-one in the One Board PCB (circuit board) so that image conversion and communication control can be performed on a PC without attaching a separate control means. It is to provide an LED lighting system that implements the media facade.

The LED lighting system implementing the media facade of the present invention to achieve the above object is mounted on a media emitter, receives media data from a PC and analyzes colors (R, G, B, W) and brightness, A media analysis unit for transmitting the analyzed color (R, G, B, W) data and brightness data to the light source output unit; A DMX control unit for outputting a control signal according to the input DMX signal and transmitting it to the light source output unit; Color (R, G, B, W) data and brightness data are received from the media analysis unit, control signals are received from the DMX control unit, and color (R, G, B, W) data and brightness transmitted from the media analysis unit A light source output unit synchronizing data with a control signal transmitted from the DMX control unit and outputting the data to the light source unit to control the operation of the light source unit; And an LED module that emits light under the control of the light source output unit and includes a light source unit composed of a red (R) LED, a green (G) LED, a blue (B) LED, and a white (W) LED.

The light source unit consists of a single pixel of red (R) LED, green (G) LED, blue (B) LED and white (W) LED, or red (R) LED, green (G) LED, blue (B) LED Is composed of one pixel, and the white (W) LED is composed of one separate pixel; The red (R) LED, green (G) LED, blue (B) LED and white (W) LED can each be individually controlled.

According to the color (R, G, B, W) data and brightness data transmitted from the media analysis unit, the light source output unit is configured to each of the red (R) LED, green (G) LED, blue (B) LED and white (W) LED. It is possible to control the operation of the light source by controlling the amount of voltage or current with the Pulse Duty Ratio of PWM having a constant frequency.

The LED module is provided in plural horizontally or vertically and is extended, and the input media data and the input DMX signal may be distributed to each LED module through a signal distributor.

The media analysis unit, the DMX control unit, the light source output unit, and the light source unit may be integrally manufactured on one circuit board.

According to the LED lighting system implementing the media facade of the present invention as described above, the media facade is projected directly on the exterior of buildings, sculptures, bridges, etc. by controlling a large amount of LEDs of tens to hundreds of thousands or more according to the input image. It is possible to solve the problem of limitations on the installation of the existing media facade that must be installed directly on the exterior wall of the building, and in particular, the color of the input image through separate control of various colors and white and warm white LEDs can be solved. It can be clearly expressed, and the light source unit, light source output control unit, media communication analysis control unit, and dmx communication control unit are all-in-one in the One Board PCB (circuit board), so image conversion and communication from a PC without a separate control means attached. It has the effect of enabling control.

1 to 3 are views showing an LED module constituting an LED lighting system implementing a media facade according to an embodiment of the present invention,
4 to 6 are views for explaining the expansion of the LED module constituting the LED lighting system implementing the media facade according to an embodiment of the present invention,
7 is a view showing an example of a display according to the difference in spacing of the LED module according to an embodiment of the present invention,
8 to 10 are diagrams for explaining an example of use of an LED module constituting an LED lighting system implementing a media facade according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in order to describe in detail so that those skilled in the art can easily implement the present invention.

The present invention relates to an LED lighting system that implements a media facade, and can implement a media facade by directly shining light on the exterior of buildings, sculptures, and bridges, and controls a large amount of LEDs of tens to hundreds of thousands or more according to the input image. , In particular, it is possible to express the color of the input image more clearly through separate control of LEDs of various colors, WHITE, and WARM WHITE LEDs.

The LED lighting system implementing the media facade according to an embodiment of the present invention includes a media analysis unit 110, a DMX control unit 130, a light source output unit 170, and a light source unit 190, as shown in FIG. The LED module 100 is included and configured.

The media analysis unit 110, the DMX control unit 130, the light source output unit 170, and the light source unit 190 are manufactured as a one-board pcb on one circuit board, and do not require a separate control unit. Image conversion and communication control are possible through a PC.

The media analysis unit 110 is mounted on a media emitter, receives media data from a PC, and receives media data in red (RED), green (GREEN), blue (BULE), and white (WHITE) colors (R, G, B, W). ) And brightness are analyzed, and then the analyzed color (R, G, B, W) data and brightness data are transmitted to the light source output unit 170.

The PC outputs media data such as image data, and the media data is displayed on the desktop of the PC, and the media data displayed on the desktop of the PC is transmitted through a digital visual interactive (DVI) cable terminal. Is output as

The DMX control unit 130 outputs a control signal according to the input DMX 512 (Digital Multiplex 512) signal and transmits it to the light source output unit 170.

The light source output unit 170 receives color (R, G, B, W) data and brightness data from the media analysis unit 110, receives a DMX 512 control signal from the DMX control unit 130, and receives a DMX 512 control signal. The operation of the light source unit 190 is controlled by synchronizing the DMX 512 control signal transmitted from the DMX control unit 130 with the color (R, G, B, W) data transmitted from 110) and outputting it to the light source unit 190. do.

The light source output unit 170 includes a red (R) LED, a green (G) LED, a blue (B) LED according to the color (R, G, B, W) data and brightness data transmitted from the media analysis unit 110. The operation of the light source unit 190 is controlled by controlling the amount of voltage or current with a pulse duty ratio of PWM (Pulse Width Modulation) having a constant frequency for each of the white (W) LEDs.

That is, the brightness of the red (R) LED, green (G) LED, blue (B) LED, and white (W) LED is determined by the output data of the light source output unit 170.

In addition, the light source output unit 170 is a PWM controller that controls a pulse, which is a control signal corresponding to 8-bit data, and each of the red (R) LED, green (G) LED, blue (B) LED, and white (W) LED. Measure the color's forward voltage value to ensure that the average current set in each of the red (R) LED, green (G) LED, blue (B) LED, and white (W) LED flows. G) The output comparison register that stores the value calculated from the duty ratio calculation module and the duty ratio calculation module that calculates the duty ratio of LED, blue (B) LED, and white (W) LED, and the pulse generated from the PWM controller outputs comparison. A duty ratio control module for on/off control to have a duty ratio stored in the register and a count register for counting the number of pulses each time a pulse controlled by the duty ratio control module occurs.

The light source unit 190 emits light under the control of the light source output unit 170, and has one pixel including a red (R) LED, a green (G) LED, a blue (B) LED, and a white (W) LED of 1W or more. Alternatively, a red (R) LED, a green (G) LED, and a blue (B) LED may be composed of one pixel, and a white (W) LED may be composed of one separate pixel.

In the present invention, the white (W) LED of the WHITE LED or the WARM WHITE LED can be configured as a separate 1-pixel (PIXEL) LED light source, and a red (R) LED, a green (G) LED, a blue (B) LED, and Since the white (W) LED can be individually controlled, the white (W) LED is separately controlled and turned on, instead of implementing a mixture of red (R) LED, green (G) LED, and blue (B) LED. I can.

By doing so, as shown in FIG. 3, the RGB area 210 displayed through the red (R) LED, the green (G) LED, and the blue (B) LED, and the W area 230 displayed through the white (W) LED. ) Can be displayed separately, and by controlling the white (W) LED separately to light it, the color rendering index of a color that is more vivid than the white of a mixture of red (R) LED, green (G) LED, and blue (B) LED ) Can be expressed.

In addition, various angles of lenses are attached to the red (R) LED, green (G) LED, blue (B) LED, and white (W) LED, and the lens angle can be adjusted to 10 degrees, 30 degrees, or 60 degrees according to the situation. By changing it, various effects can be produced on the displayed media.

As shown in FIGS. 4 and 5, the LED module 100 may be expanded to be provided in a plurality horizontally or vertically, thereby expanding an image range to be expressed and changing the output of pixels.

When expanding the LED module 100, as shown in FIG. 6, the input media data and the input DMX 512 signal are distributed to each LED module 100 through the signal distributor 150.

Since the LED module 100 can be expanded, various types of media floodlights, such as a straight media floodlight and a square media floodlight, can be manufactured.

The media emitters can be fastened by soldering, and each media emitter is equipped with a waterproof function of ip66 rating.

Meanwhile, as shown in FIG. 5, the distance between the light source unit 190 and the light source unit 190 can be varied to t1, t2, t3, and the like.

As the distance between the light source unit 190 and the light source unit 190 decreases, as shown in the first region 310 of FIG. 7, the resolution is relatively improved and the image range is widened, and the light source unit 190 and the light source unit 190 As the gap between the gaps increases, as shown in the second area 330 of FIG. 7, the resolution decreases and the image range decreases.

As shown in Fig. 8, if the image is displayed on the desktop of the PC, it is output and displayed to the outside through the media transmitter as shown in Fig. 9. At this time, if the image displayed on the PC is replaced with another image, it is output to the outside. Since the image is changed, it is convenient to replace the image output through the media emitter.

On the other hand, as shown in Fig. 10, a wide area can be used by combining the media transmitters.

According to the LED lighting system implementing the media facade of the present invention as described above, the media facade is projected directly on the exterior of buildings, sculptures, bridges, etc. by controlling a large amount of LEDs of tens to hundreds of thousands or more according to the input image. It is possible to solve the problem of limitations on the installation of the existing media facade that must be installed directly on the exterior wall of the building, and in particular, the color of the input image through separate control of various colors and white and warm white LEDs can be solved. It can be clearly expressed, and the light source unit, light source output control unit, media communication analysis control unit, and dmx communication control unit are all-in-one in the One Board PCB (circuit board), so image conversion and communication from a PC without a separate control means attached. It has the effect of enabling control.

In the above description, preferred embodiments of the present invention have been presented and described, but the present invention is not necessarily limited thereto, and those of ordinary skill in the technical field to which the present invention pertains within the scope not departing from the technical spirit of the present invention. It will be readily appreciated that many substitutions, modifications and changes can be made.

100: LED module 110: media analysis unit
130: DMX analysis unit 150: signal distributor
170: light source output unit 190: light source unit

Claims (5)

Mounted on a media emitter, it receives media data from a PC and analyzes color (R, G, B, W) and brightness, and then outputs the analyzed color (R, G, B, W) data and brightness data as a light source. A media analysis unit for transferring to wealth;
A DMX control unit for outputting a control signal according to the input DMX signal and transmitting it to the light source output unit;
Color (R, G, B, W) data and brightness data are received from the media analysis unit, control signals are received from the DMX control unit, and color (R, G, B, W) data and brightness transmitted from the media analysis unit A light source output unit that synchronizes data with a control signal transmitted from the DMX control unit and outputs the data to the light source unit to control the operation of the light source unit; And
An LED module that emits light under the control of the light source output unit and includes a light source unit composed of red (R) LED, green (G) LED, blue (B) LED and white (W) LED.
An LED lighting system that implements a media facade, characterized in that it is configured to include. The method according to claim 1, wherein the light source unit comprises a red (R) LED, a green (G) LED, a blue (B) LED, and a white (W) LED as one pixel, or a red (R) LED, a green (G) LED, The blue (B) LED is composed of one pixel, and the white (W) LED is composed of one separate pixel; Red (R) LED, green (G) LED, blue (B) LED and white (W) LED are each individually controlled LED lighting system that implements a media facade, characterized in that. The method according to claim 1, wherein the light source output unit according to the color (R, G, B, W) data and brightness data transmitted from the media analysis unit, red (R) LED, green (G) LED, blue (B) LED and white ( W) LED lighting system implementing a media facade, characterized in that the operation of the light source is controlled by controlling the amount of voltage or current with the Pulse Duty Ratio of PWM having a constant frequency in each of the LEDs. The LED according to claim 1, wherein the LED module is provided in plural horizontally or vertically and is extended, and the input media data and the input DMX signal are distributed to each LED module through a signal distributor. Lighting system. The LED lighting system of claim 1, wherein a media analysis unit, a DMX control unit, a light source output unit, and a light source unit are integrally manufactured on a single circuit board.

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