KR200393997Y1 - Traffic signal indicator using multi-light emitting - Google Patents

Abstract

The present invention provides a signal installed with at least one light emitting unit arranged with a plurality of LEDs for generating color light for displaying a traffic signal, and a control signal for driving the LED according to a preprogrammed traffic signal procedure. And a signal controller for outputting to the unit, wherein the signal group is arranged in a first form to generate light of a first color, and a second LED is arranged in second form to generate light of a second color. It provides a plurality of light traffic signal device comprising at least one light emitting unit having a group.

According to the present invention, by arranging LEDs of various colors in one light emitting unit, one or more signal colors may be emitted from one light emitting unit. It is possible to reduce the traffic signal and to inform the remaining time of the traffic signal, which is effective in facilitating vehicle communication at the intersection and preventing defensive driving and crosswalk accident at the intersection.

Description

Multiple light traffic signal device {TRAFFIC SIGNAL INDICATOR USING MULTI-LIGHT EMITTING}

The present invention relates to a traffic signal device installed at an intersection or pedestrian crossing of a road, and more particularly, to a plurality of light traffic signal devices capable of digitally displaying a remaining time of a traffic signal on a corresponding indicator.

Generally, traffic lights installed at intersections to control traffic of vehicles are composed of red, yellow, and green traffic lights. Here, the yellow traffic light is a traffic signal switching notice signal between the red traffic light and the green traffic light, and when the traffic signal is switched, the signal is turned on for a predetermined time in advance of the next signal, thereby providing a preliminary signal prohibiting the entry of the intersection to the driver of the vehicle passing through the intersection.

The lighting of yellow traffic lights at these intersections predicts the switching of traffic signals to many drivers to enable predictable driving.

However, some drivers and novice drivers are still not able to get out of considerable psychological pressure due to concerns about signal switching at each intersection crossing, and this psychological pressure can obscure the driver's judgment and cause traffic accidents at the intersection. Call it up. This phenomenon can occur not only in novice drivers but also by experienced drivers.

Accordingly, if the traffic signal device installed at the intersection of the road can display the remaining time of the straight signal, the left turn signal, the simultaneous straight and left turn signal, based on the remaining time information of the signal every time many drivers pass through the intersection, By predicting when the signal transitions from green to red, you will be able to drive the vehicle more safely.

On the other hand, in the conventional traffic signal device, as the light emitting units for displaying various signals are arranged one by one for each traffic signal, the overall weight of the traffic signal device is increased to support a large volume of support or multiple support lines. There is a risk that the installation is inconvenient due to the need to install and the damage caused by bad weather can be large.

The present invention has been devised by such a necessity, and it is possible to display various traffic signals with only a small number of light emitting units. It is an object of the present invention to provide a plurality of light emitting traffic signal devices capable of displaying the remaining time of the simultaneous straight and left turn signal.

According to an aspect of the present invention for achieving the above object, the signal is provided with at least one light emitting unit in which a plurality of LEDs are arranged to generate a color light for displaying the traffic signal, according to the preprogrammed traffic signal procedure And a signal controller for outputting a control signal for driving the LEDs to the light emitting units, wherein the signal groups are arranged in a first form to generate light of a first color, and are arranged in a second form. It provides at least one light emitting signal comprising at least one light emitting unit having a second group of LEDs for generating light of a second color.

Accordingly, since one light emitting unit provided in the signal generator can generate light of a color for displaying a plurality of traffic signals, it is possible to provide an effect that the light emitting unit can be provided through a plurality of light emitting units with only a small number of light emitting units.

Preferably, the light emitting unit includes: a first light emitting unit including a plurality of red LEDs to display a red signal, a second light emitting unit including a plurality of yellow LEDs to display a yellow signal, and a plurality of green LEDs to display a green signal Including a third light emitting unit, wherein the second light emitting unit or the third light emitting unit to turn on the left turn signal is turned on the green LED is further provided in the arrangement of the left turn signal display in the first light emitting unit or the second light emitting unit It has its features.

Accordingly, only three light emitting units provided in the signal can implement a traffic light having four colors.

Preferably, the light emitting unit includes a first light emitting unit including a plurality of green LEDs for displaying a green signal and a plurality of red LEDs for displaying a red signal, and a second signal emission including a plurality of yellow LEDs for displaying a yellow signal. The signal controller may include a red LED and the green LED and the yellow LED to blink, and the red and yellow LEDs to the red and yellow signal sections in a stop signal section. 2 lighting the yellow LED of the light emitting part, blinking the green LED, lighting the green LED of the first light emitting part in a straight signal section, the red LED and the yellow LED blinking, and in the yellow signal section, The yellow LED is turned on, and the green LED and the red LED of the first light emitting part are characterized in that they flicker.

Accordingly, only two light emitting units provided in the signal can realize a traffic light having three colors.

In addition, the first LED group is arranged evenly distributed in the light emitting portion for displaying the traffic signal display, and the second LED group is arranged in the LED segment for numeric display for indicating the remaining lighting time. There is a characteristic.

Accordingly, since the traffic signal can be displayed by the first LED group provided in one light emitting unit and the remaining lighting time can be displayed by the second LED group, a separate device is not required to display the lighting remaining time. Will not.

Here, the light emitting part is a lighting time remaining of the first color signal by the second LED group provided in the other light emitting unit when the first color signal is turned on by the first LED group provided in any light emitting unit It is characterized in that the corresponding second LED group is driven so that it is displayed.

Accordingly, the remaining lighting time can be effectively displayed only by the number of light emitting units corresponding to the color of the traffic signal without providing a separate device for displaying the lighting remaining time.

The light emitting part may include a first signal light emitting part including a plurality of first color LEDs to display a first color signal, and a second signal light emitting part including a plurality of second color LEDs to display a second color signal. And a third signal light emitting unit including a plurality of third color LEDs to display a third color signal, wherein the first color signal is turned on by the first group of LEDs provided in the first signal light emitting unit. The second LED group is driven by the second LED group provided in the second signal emitter or the third signal emitter to display the remaining lighting time of the first color signal.

Accordingly, the remaining lighting time of each color can be expressed by only three light emitting units displaying three colors without having to provide a separate device for displaying the lighting remaining time.

Hereinafter, with reference to the accompanying drawings to describe the present invention in detail.

1 is a block diagram of a plurality of light traffic signal apparatus according to an embodiment of the present invention.

Referring to FIG. 1, a multi-light traffic signal device according to an embodiment of the present invention includes a signal generator 100 generating light of a plurality of colors for displaying a traffic signal, and a signal signal 100 according to a preprogrammed traffic signal procedure. It is provided with a signal control unit 200 for controlling the operation of.

The signal generator 100 includes a light emitting unit 110 having a plurality of LEDs to generate colors according to driving of the corresponding LEDs, and an LED driver 120 driving the LEDs provided in the light emitting unit 110.

The light emitting unit 110 may include one or several light emitting units for each color of the traffic signal. For example, the light emitting unit 110 may include one light emitting unit or two or three light emitting units.

At this time, each of the light emitting units constituting the light emitting unit 110 is provided with LEDs corresponding to the corresponding color to generate light of a color for displaying a traffic signal.

For example, a red LED for displaying a red signal, a green LED for displaying a green signal, and a yellow LED for displaying a yellow signal are provided.

According to the present invention, each light emitting unit constituting the light emitting unit 110 is not made of only one color LED, the LEDs for displaying a plurality of colors to be implemented through the light emitting unit are arranged independently of each other.

For example, each of the light emitting units constituting the light emitting unit 110 includes a first group of LEDs arranged in a first form to generate light of a first color, and a light of a second color arranged in a second form. It can be made by having a second LED group.

Here, the first LED group is arranged evenly distributed in each light emitting unit constituting the light emitting unit 110 to display a traffic signal, the second LED group is a LED display for numeric display for indicating the remaining time of lighting Can be arranged as.

In addition, when the first color signal is turned on by the first LED group included in any light emitting unit constituting the light emitting unit 110, the second LED group included in the other light emitting unit constituting the light emitting unit 110 is provided. The second LED group may be driven so that the remaining time of one color signal is displayed.

The LED driver 120 controls the lighting of each LED of the light emitting unit 110 according to the LED driving control signal output from the signal controller 200.

The signal control unit 200 stores the traffic signal program data in which the traffic signal procedure is programmed, and reads the traffic signal program data stored in the memory 210 according to the traffic signal procedure programmed in the traffic signal program. The controller 220 outputs a control signal for driving each LED.

The memory 210 stores traffic signal program data in which a traffic signal procedure is programmed. The traffic signal program data includes various information regarding the sequence of each traffic signal, the lighting time and the switching for each traffic signal, and a signal control program.

The controller 220 reads the traffic signal program data stored in the memory 210, executes a signal control program, and controls the lighting and blinking operations for each traffic signal in the order of each traffic signal by the executed signal control program. The control signal is generated and provided to the signal signal 100.

The controller 220 counts a clock input along with a control signal for controlling the lighting of each LED included in the light emitting unit, and generates a driving control signal for the LED included in each light emitting unit, and outputs it to the LED driver 120.

The controller 220 controls the first LED group and the second LED group included in each light emitting unit constituting the light emitting unit 110 to control each light emitting unit constituting the light emitting unit 110. It is not limited to generating light, but generates light of various colors.

2 is a configuration diagram of a light emitting unit provided in the plurality of light traffic signal devices according to an embodiment of the present invention.

Referring to FIG. 2, the light emitter 110 includes a first light emitter 111, a second light emitter 112, and a third light emitter 113.

The first light emitting part 111 includes a plurality of red LEDs 111a to display a red signal. The second light emitting unit 112 includes a plurality of yellow LEDs 112a to display a yellow signal. The third light emitting unit 113 includes a plurality of green LEDs 113a to display a green signal.

Here, the second light emitting unit 112 is disposed in the second light emitting unit 112 such that the left turn signal is turned on in the second light emitting unit 112 when the red light is turned on in the first light emitting unit 111 in the left turn signal section. It is further provided with the green LED 112b by the arrangement of the left turn signal display.

In addition, the second light emitter 112 may arrange the left turn signal to display a left turn signal on the second light emitter 112 when the green light is turned on in the third light emitter 113 in a section of the simultaneous and left turn simultaneous signals. This green LED 112b made of light is turned on.

Since the light emitting unit 110 includes three light emitting units, and the second light emitting unit 112 includes the yellow LEDs 112a and the green LEDs 112b, the light emitting unit 110 has a straight signal section. A signal corresponding to a stop signal section, a yellow signal section, a red and yellow signal section, a left turn signal section, and a straight and left turn simultaneous signal section may be provided.

Conventionally, in order to provide a signal corresponding to a straight signal section, a stop signal section, a yellow signal section, a left turn signal section, a simultaneous straight and left turn signal section, a green signal emitter, a yellow signal emitter, a red signal emitter, and a left turn signal emitter Although four light emitting units were required, according to an embodiment of the present invention, only three light emitting units can display the corresponding traffic signal.

The light emitting unit 110 includes a first light emitting unit 111 including a red LED 111a, a second light emitting unit 112 including a yellow LED 112a and a green LED 112b, and a green LED 113a. In accordance with the third light emitting unit 113 having a), the control unit 220 of the signal control unit 200 controls the signal of the light emitting unit 110 according to the following traffic signal procedure.

3 is a view for explaining a traffic signal change order in the multiple light traffic signal apparatus according to an embodiment of the present invention. Referring to FIG. 3, the sequence of changing the traffic signal is the straight signal section S1-> simultaneous straight and left turn signal section S2-> yellow signal section S3-> stop signal section S4-> red and yellow It consists of a signal section (S5)-> straight signal section (S6). Unless otherwise stated for the state of the LED at each stage, the LED is to remain flashing.

The controller 220 drives the green LED 113a provided in the third light emitting unit 113 to turn on the light of the green signal when the straight signal section S1 is reached.

When the straight signal section S1 elapses and the straight and left turn simultaneous signal section S2 is reached, the controller 220 drives the green LED 113a provided in the third light emitting unit 111 so that light of the green signal is turned on. Then, the green LED 112b arranged in the left turn indication is driven to display the green left turn signal.

When the straight and left turn simultaneous signal section S2 passes and the yellow signal section S3 passes, the controller 220 drives the yellow LED 113a provided in the third light emitting unit 113 so that light of the yellow signal is turned on. do.

When the yellow signal section S3 has elapsed and the stop signal section S4 has elapsed, the controller 220 drives the red LED 112a included in the second light emitting unit 112 to light up the red signal.

When the stop signal section S4 has elapsed and the red and yellow signal section S5 has elapsed, the controller 220 drives the red LED 112a provided in the second light emitting unit 112 to light up the red signal. In addition, the yellow LED 113a provided in the third light emitting unit 113 is driven to light the yellow signal.

After the controller 222 performs the signal control for the red and yellow signal sections S5, the controller 222 performs signal control for the straight signal section S6 again.

4 is a diagram illustrating a modified example of a light emitting unit provided in the plurality of light emitting traffic signal apparatuses according to the embodiment of the present invention shown in FIG. 2.

Referring to FIG. 4, the light emitting unit 110 of the signal generator 100 included in the traffic signal device according to the modified embodiment of the present invention basically includes a first light emitting unit 111 having a red LED and a yellow LED. And a second light emitting unit 112 and a third light emitting unit 113 having a green LED.

In the traffic signal device according to a modified example of the present invention, a green LED for displaying a left turn signal to any one of the first light emitting part 111, the second light emitting part 112, and the third light emitting part 113 is provided. You can install more.

In this case, a modified example in which the green LED for displaying the sin rotation signal is installed may be classified into three types. That is, the first in the diagram is a case where a green LED for displaying a left turn signal is installed in the first light emitting unit 111 provided with a red LED. The second in the diagram is a case where a green LED for displaying a left turn signal is installed in the second light emitting unit 112 provided with a yellow LED. Third, the green LED for displaying the left turn signal is installed in the third light emitting unit 113 provided with the green LED.

The second case in the diagram has already been described in detail with reference to FIGS. 2 and 3.

In the first case in the diagram, since the red LED for displaying the red signal and the green LED for the left turn display for the left turn display are provided in the first light emitter 111, the first light emitter 111 has the red signal or the left turn signal. Only one selected signal can be displayed.

Therefore, in the first case in the diagram, it can be seen that the straight signal and the left turn signal are suitable for the traffic signal system.

On the other hand, in the third case in the diagram, since the green LED for displaying the green signal and the green LED for the left turn display for the left turn display are provided in the third light emitting part 113, the third light emitting part 113 displays the green signal or the like. Only one signal selected from among the left turn signals may be displayed.

Therefore, in the third case in the diagram, it can be seen that the red signal and the left turn signal are suitable for the traffic signal system.

Meanwhile, in the second case, since the yellow LED for displaying the yellow signal and the green LED for the left turn signal are provided in the second light emitting unit 112, the red light and the left turn signal are also suitable. It is suitable for both traffic signal systems where left turn signals are given simultaneously.

5 is a configuration diagram of a light emitting unit provided in the plurality of light traffic signal devices according to another embodiment of the present invention. The traffic signal device according to another embodiment of the present invention has the same basic configuration as the memory 210, the controller 220, and the LED driver 120 shown in FIG. The bay is shown.

Referring to FIG. 5, the light emitter 110 includes a first light emitter 111 and a second light emitter 112.

The first light emitting unit 111 includes a plurality of red LEDs 111a to display a red signal in a stop signal section and a plurality of green LEDs 111b to display a green signal in a straight signal section. The second light emitting unit 112 includes a plurality of yellow LEDs 112a to display a yellow signal.

The light emitting unit 110 includes two light emitting units, and among the first light emitting unit 111 includes a red LED 111a and a green LED 111b, the light emitting unit 110 is a straight signal section. Signals corresponding to the stop signal section, the yellow signal section, and the red and yellow signal sections may be provided.

Conventionally, in order to provide a signal corresponding to a straight signal section, a stop signal section, a yellow signal section, and a red and yellow signal section, three light emitting parts of a green signal light emitting part, a yellow signal light emitting part, and a red signal light emitting part are required. According to the exemplary embodiment of the present invention, only two light emitting units may display the corresponding traffic signal.

As the light emitting unit 110 includes a first light emitting unit 111 having a red LED 111a and a green LED 111b and a second light emitting unit 112 having a yellow LED 112a, a signal is generated. The controller 220 of the controller 200 controls the signal of the light emitter 110 according to the traffic signal procedure as follows.

6 is a view for explaining a traffic signal change order in the multiple light traffic signal apparatus according to another embodiment of the present invention.

Referring to FIG. 6, the sequence of changing the traffic signal is a stop signal section S11-> red and yellow section S12-> straight signal section S13-> yellow signal section S14-> stop signal section S15. ) Unless otherwise stated for the state of the LED at each stage, the LED is to remain flashing.

When the stop signal section S11 is reached, the controller 220 drives the red LED 112a provided in the first light emitter 112 to light up the red signal.

When the stop signal section S11 has elapsed and the red and yellow signal section S12 is reached, the controller 220 drives the red LED 111a provided in the first light emitting unit 111 to light up the red signal. The yellow LED 112a provided in the second light emitting unit 112 is driven to light the yellow signal.

When the red and yellow signal section S12 elapses and becomes the straight signal section S13, the controller 220 drives the green LED 111b provided in the first light emitting unit 111 to light the green signal. .

When the straight signal section S13 passes and the yellow signal section S14 passes, the controller 220 drives the yellow LED 112a provided in the second light emitting unit 112 to light up the yellow signal.

When the yellow signal section S3 elapses, the controller 220 performs signal control on the stop signal section S15.

7 is a configuration diagram of a light emitting unit provided in the plurality of light traffic signal apparatuses according to another embodiment of the present invention. According to another embodiment of the present invention, the plurality of light traffic signal devices may be omitted since the same configuration as the basic elements of the memory 210, the controller 220, and the LED driver 120 shown in FIG. 1 is provided. Only 110 is shown.

Referring to FIG. 7, the light emitter 110 includes a first light emitter 111, a second light emitter 112, and a third light emitter 113.

The first light emitting part 111 includes a plurality of red LEDs 111a to display a red signal. The second light emitting unit 112 includes a plurality of yellow LEDs 112a to display a yellow signal. The third light emitting unit 113 includes a plurality of green LEDs 113a to display a green signal.

Here, the first light emitting unit 111 informs the remaining time of the green LED lighted on the third light emitting unit 112 when the green signal is turned on in the third light emitting unit 113 in the period of the straight signal. It is further provided with a green LED (111b) consisting of an array of numeric display LED segments to indicate the number for.

In addition, when the left turn signal is turned on the second light emitter 112 and the green light is turned on the third light emitter 113, the first light emitter 111 has the second light emitter ( The remaining time of the left turn signal lit on 112 is shown in this green LED 111b.

On the other hand, when the red light is turned on in the first light emitter 111 or when the green light is turned on in the third light emitter 113, the second light emitter 112 receives a left turn signal. The second light emitting unit 112 further includes a green LED 112b in an array of left turn signal displays so as to light up.

On the other hand, the third light emitting unit 113 when the red signal is turned on the first light emitting unit 113 in the stop signal period, the number for informing the remaining time of the red LED lighted on the first light emitting unit 112. It is further provided with a red LED (113b) consisting of an array of numeric display LED segments to indicate.

In addition, the third light emitting unit 113 lights up in the second light emitting unit 112 when the red light is turned on in the first light emitting unit 111 and the left turn signal is lit in the second light emitting unit 112 in the left turn signal section. The remaining time of the left turn signal is displayed on this red LED 113b.

At this time, the numeric display segment LEDs (111b, 113b) defines a seven-segment area that is generally used to display a number in the light emitting portion (111, 113) in which a plurality of LEDs are arranged in series to form a red or green signal, Each segment of the seven segment region is formed by a block unit of LEDs located in the segment region.

The light emitting unit 110 includes three light emitting units, and the second light emitting unit 112 includes a yellow LED 112a and a green LED 112b. It is possible to display signals, stop signals, red and yellow signals, left turn signals, and straight and left turn simultaneous signals.

In addition, the remaining time of the corresponding signal may be provided in the straight signal section, the stop signal section, the left turn signal section, and the straight and left turn simultaneous signal section.

The controller 220 registers the remaining time value of the lit green signal, the red signal, or the left turn signal in the memory 210. This is the remaining time before the lit green or red signal or the left turn signal flashes, which can be set, for example, 30 seconds, 60 seconds, 100 seconds, etc., which is common to all traffic signals. Becomes the prescribed value.

As described above, in the state in which the remaining lighting time is set in the memory 210, the controller 220 outputs the lighting control signal for the green signal, the red signal, or the left turn signal to the LED driver 120 and simultaneously performs a down count.

The controller 220 performs the down count and displays the count value numerically on the numeric display LED. Here, the arrangement of the numeric display LED does not delete the arrangement of the LED for displaying the green or red signal, but additionally installed in a separate area, the performance of the LED for displaying the green or red signal by the numeric display LED is degraded. Do not let.

8 is a diagram illustrating a call change procedure in the multi-light traffic signal apparatus according to another embodiment of the present invention. Unless otherwise stated for the state of the LED at each stage, the LED is to remain flashing.

Referring to FIG. 8, when the stop signal section S21 is reached, the controller 220 turns on the red LED 111a of the first light emitting unit 111 and counts the remaining time of the corresponding signal to determine the remaining time as the third light emitting unit. Numeral display segment LED 113b of 113 is displayed.

When the stop signal section S21 has elapsed and the red yellow signal section S22 has elapsed, the controller 220 controls the red LED 111a of the first light emitting unit 111 and the yellow LED 112a of the second light emitting unit 112. Lights up.

When the red yellow signal section S22 has elapsed and the straight signal section S23 is reached, the controller 220 turns on the green LED 113a of the third light emitting unit 113 and counts the remaining time of the corresponding signal to determine the remaining time. The number display segment LED 111b of the first light emitting part 111 is displayed.

When the straight signal section S23 has elapsed and the straight and left turn simultaneous signal section S24 is reached, the controller 220 displays the green LED 113a of the third light emitting unit 113 and the left turn display LED of the second light emitting unit 112. 112b is turned on, and the remaining time of the signal is counted and the remaining time is displayed on the numeric display segment LED 111b of the first light emitting part 111.

When the straight and left turn simultaneous signal sections S24 pass and the yellow signal sections S25 pass, the controller 220 turns on the yellow LED 112a of the second light emitting unit 112.

When the yellow signal section S25 passes and the left turn signal section S26 passes, the controller 220 rotates the red LED 111a of the first light emitting unit 111 and the left turn display LED 112b of the second light emitting unit 112. Is turned on, and the remaining time of the corresponding signal is counted and the remaining time is displayed on the numeric display segment LED 113b of the third light emitting unit 113.

The present invention has been described with reference to the preferred embodiments and many specific variations. However, those skilled in the art will understand that many other embodiments other than those specifically described also fall within the spirit and scope of the present invention.

According to the present invention, by arranging LEDs of various colors in one light emitting unit, one or more signal colors may be emitted from one light emitting unit. As a result, the overall weight of the traffic signal is reduced, thereby facilitating the installation of the traffic signal and reducing the damage caused by bad weather.

In addition, according to the present invention, even if a device for displaying the remaining time of the traffic signal is additionally installed separately from the light emitting unit for displaying the traffic signal, the number display LED provided in the light emitting unit for displaying the traffic signal may be used. The remaining time of vehicle traffic lights installed at intersections or pedestrian signals installed at crosswalks can be displayed, allowing drivers or pedestrians to cross the intersection to predict the timing of signal transitions. It is effective in preventing defensive driving and crosswalk accidents.

1 is a block diagram of a plurality of light traffic signal device according to an embodiment of the present invention.

Figure 2 is a block diagram of a light emitting unit provided in the plurality of light traffic signal apparatus according to an embodiment of the present invention.

3 is a view for explaining a traffic signal change order in the plurality of light traffic signal apparatus according to an embodiment of the present invention.

4 is a diagram for illustrating a modified example of the light emitting unit provided in the plurality of light traffic signal devices according to the embodiment of the present invention shown in FIG. 2.

Figure 5 is a block diagram of a light emitting unit provided in the plurality of light traffic signal apparatus according to another embodiment of the present invention.

6 is a view for explaining a traffic signal change order in the multiple light traffic signal apparatus according to another embodiment of the present invention.

7 is a configuration of the light emitting unit provided in the plurality of light traffic signal apparatus according to another embodiment of the present invention.

8 is a view for explaining a signal change order in the multiple light traffic signal apparatus according to another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: signal 110: light emitting unit

120: LED driver 200: signal controller

210: memory 220: controller

Claims (6)

A signal installed with at least one light emitting unit arranged with a plurality of LEDs for generating light of color for displaying a traffic signal; And a signal controller for outputting a control signal for driving the LEDs according to a preprogrammed traffic signal procedure. The signal device includes at least one light emitting unit having a first group of LEDs arranged in a first form to generate light of a first color and a second group of LEDs arranged in a second form to generate light of a second color Multiple light traffic signal device characterized in that. The method according to claim 1, wherein the light emitting unit, A first light emitting unit including a plurality of red LEDs to display a red signal; A second light emitting part including a plurality of yellow LEDs to display a yellow signal; A third light emitting unit including a plurality of green LEDs to display a green signal, And a green LED is further provided in the arrangement of the left turn signal display so that the left turn signal is turned on in the second light emitting part or the third light emitting part. The method according to claim 1, wherein the light emitting unit, A first light emitting unit including a plurality of green LEDs for displaying a green signal and a plurality of red LEDs for displaying a red signal; A second signal light emitter comprising a plurality of yellow LEDs to display a yellow signal, The signal control unit, In the stop signal section, the red LED of the first light emitting unit is turned on, the green LED and the yellow LED blink, In the red and yellow signal section, the red LED of the first light emitting unit and the yellow LED of the second light emitting unit is turned on, and the green LED blinks, In the straight signal section, the green LED of the first light emitting unit is turned on, the red LED and the yellow LED blink, And a yellow LED of the second light emitting part and a green LED and a red LED of the first light emitting part to blink in a yellow signal section. The method according to claim 1, The first group of LEDs is arranged evenly distributed within the light emitting portion to display a traffic signal, And said second group of LEDs are arranged in LED segment for numeric display to indicate remaining lighting time. The method according to claim 4, The light emitting unit, When the first color signal is turned on by the first LED group provided in any light emitting part, the second remaining time is displayed so that the remaining time of lighting of the first color signal is displayed by the second LED group provided in another light emitting part. Multiple light traffic signal device characterized in that the LED group is driven. The method according to claim 4, The light emitting unit, A first light emitting unit including a plurality of first color LEDs to display a first color signal; A second light emitting part including a plurality of second color LEDs to display a second color signal; A third light emitting unit including a plurality of third color LEDs to display a third color signal, When the first color signal is turned on by the first LED group provided in the first light emitting part, the first color signal is turned on by the second LED group provided in the second light emitting part or the third light emitting part. And the second LED group is driven such that the remaining time is displayed.