KR100350078B1 - Indicators and signs for traffic signals - Google Patents

Abstract

The present invention relates to a traffic signal display device and a traffic signal display device for displaying information such as traffic information, traffic slogan, advertisement.

According to the present invention, the TS panel 20 is disposed at a position easily visible to the naked eye at the same time as the traffic signal 10, and information such as traffic information, traffic slogan, advertisement, and / or the like displayed on the TS panel 20. The background light emission color is switched to the same color as that of the traffic signal 10, or is turned on / off in synchronization with the red color of the traffic signal 10. FIG.

In addition, since the entire light emitting surface of the light emitting panel 110, which is the display portion of the traffic signal, is sequentially switched to green, yellow, and red at a predetermined timing, the light emitting area becomes large.

In addition, the light emitting panel 110 is divided into three parts, a left turn, a straight line, and a right turn, respectively, and an arrow pointing to a left turn, an arrow pointing to a straight line, and an arrow pointing to a right turn are displayed on each light emitting surface, and at the same time, the background light emission color of the arrow is displayed for each light emitting surface. Are sequentially switched to green, yellow, and red at predetermined timings to emit light.

Description

Display device and traffic signal for traffic signal

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traffic signal display device and a traffic signal, and more particularly, to a traffic signal display device and a traffic signal for displaying information such as traffic information, traffic slogans, advertisements, and the like.

Traffic signals aim to facilitate the communication between cars and people and to prevent traffic accidents. For this reason, as shown in FIG. 14, a normal traffic signal turns on three colors of green, yellow, and red sequentially by time control.

In addition, the upper and lower parts or the side parts of the traffic signal are mounted with a display panel for displaying the installation name of the traffic signal or a display panel for advertising.

In the display panel, however, it is easy to check the display contents by sunlight in the daytime, but it is difficult to check the display contents when it is dark such as at night.

In addition, there is a problem that it is difficult for a driver or a pedestrian to check a traffic light by daytime sunlight only by a traffic light by a traffic signal.

In addition, the traffic signal shown in FIG. 15 may be displayed with a green arrow at the bottom thereof. Such a signal may indicate that the signal can proceed only in the direction indicated by the arrow by turning the signal red and turning the arrow green.

However, the conventional traffic signal may be difficult for drivers or pedestrians to check the traffic light due to the influence of sunlight.

In addition, in the case of the traffic signal shown in FIG. 15, the green, yellow, and red traffic lights must be viewed and judged to be green, so the judgment is complicated, and the arrow and the direction indicated by the arrow are difficult to see. there is a problem.

SUMMARY OF THE INVENTION An object of the present invention is to provide a display device for a traffic signal that can be easily identified by a driver or a pedestrian, and also has a function of confirming traffic information, a traffic slogan, an advertisement by advertisement.

Another object of the present invention is to provide a traffic signal that can be easily confirmed by the driver or pedestrian to improve the visibility and stability.

It is still another object of the present invention to provide a traffic signal which can make the display of a complicated signal by a traffic signal using a conventional arrow simple and easy to see, thereby improving visibility and stability.

In order to achieve the above object, the present invention provides display means for displaying information such as traffic information, traffic slogans, advertisements, etc., which are disposed at a visually identifiable position at the same time as a traffic signal, and include information on a display surface and / or background of the information. Display means capable of converting the emission color into the same color as each color of the traffic signal, and display means for displaying each lamp of each color of the traffic signal and detecting whether the lamps are turned on or off without changing the electric circuit of the traffic signal. Means and control means for switching and controlling the light emission color of the display means to be the same color as the traffic signal based on the detection output of the detection means.

In addition, the control means sequentially switches the information displayed in synchronization with the switching of the lighting color of the traffic signal.

That is, the lighting / off state of each color of the traffic signal is detected without changing the electric circuit of the traffic signal, and the light emission color of the display means is switched so as to be the same color as the lamp color of the lighting state based on the detection output of the detection means. Doing.

Therefore, the signal color can be confirmed not only by the traffic light but also by the display color of the display means, and various information displayed on the display means can be checked simultaneously.

In addition, it is possible to guarantee the safety of the traffic signal because the lighting / off state of each color of the traffic signal is detected without changing the electric circuit of the traffic signal and not corrected in the electric circuit of the traffic signal.

In addition, since a plurality of pieces of information are switched and displayed in synchronization with the switching of the lighting color of the traffic signal, the amount of information displayed on the display means can be increased.

According to another aspect of the present invention, it is possible to provide switching means for switching on and off of the display means in synchronization with only the red lamp being turned on.

That is, the display means lights up red only when the red lamp is turned on, and turns off the display means when other colored lamps are lit.

In this way, the confirmation of the red signal can be confirmed not only by the traffic light but also by the display color of the display means.

According to still another aspect of the present invention, the surface light emitting means capable of emitting light by switching the whole surface into at least three colors of green, yellow, and red, and the entire light emitting surface of the surface light emitting means is sequentially turned green, yellow, And a control means for switching to red and emitting light.

In addition, a plurality of light emitting surfaces are provided in the center of each light emitting surface, an arrow pointing left, an arrow pointing straight and an arrow pointing right, respectively, and the background of the arrow on each light emitting surface is green, yellow, and red. It is characterized by comprising surface emitting means capable of emitting light by switching to three colors, and control means for emitting light by sequentially switching the background light emitting colors of the respective emitting surfaces to green, yellow, and red, respectively.

As a result, even in the case of a traffic signal having the same size as a conventional traffic signal, the light emitting area is increased and the visibility is improved.

According to another aspect of the present invention, the light emitting name of the surface light emitting means is classified according to the number of players on the road or left turn, straight ahead, and bypass only, respectively, indicating an arrow pointing to the left turn, an arrow pointing straight, and a right turn on each emitting surface. An arrow is displayed, and the background of the arrow is changed to three colors of green, yellow, and red on each light emitting surface to enable light emission.

The background light emitting colors of the light emitting surfaces divided into a plurality of surface emitting means are sequentially switched to green, yellow, and red at predetermined timings to emit light.

In this case, when the display can proceed only in a specific lane or in a specific direction, the light emitting surface corresponding to the lane or direction is made green and the light emitting surface corresponding to the other lane or direction is made red. You can make it simple and easy to see.

According to still another aspect of the present invention, surface light emitting means for displaying information such as traffic information, traffic slogan, advertisement, etc. on the display surface and simultaneously converting the background light emission color of the information into green, yellow, red, or green, red And the background color of the surface light emitting means is sequentially changed to green, yellow, red or green, flashing green, red at a predetermined timing to emit light, and the information displayed on the surface light emitting means is switched at the predetermined timing. It is characterized by comprising a control means.

As a result, for example, in the case of a pedestrian traffic signal, [WALK] [STOP] or a pedestrian mark indicating the same can be displayed on the surface light-emitting means by changing the background light emission color, so that the display contents of the traffic signal can be more accurately visualized. You can check with

Next, an embodiment of a traffic signal display device according to the present invention will be described in detail with reference to the drawings.

1 is an external view showing a state in which a traffic safety panel (hereinafter referred to as a TS panel) constituting a display device for a traffic signal according to the present invention is mounted on a traffic signal.

In Fig. 1, reference numeral 10 denotes a known traffic signal in three colors of green, yellow and red, and is attached to the support rod 12 from a pole not shown in the figure through a bracket 14 below.

Reference numeral 20 denotes a TS panel, specifically, a color plasma display panel. The TS panel 20 is mounted on the upper side of the traffic signal 10 with the bracket 14 interposed therebetween so that the TS panel 20 can be visually checked at the same time as the traffic signal 10.

At the crossroad intersection as shown in FIG. 2, for example, 12 units including four TS panels 20A mounted on a road traffic signal and eight TS panels 20B mounted on a sidewalk traffic signal are provided. .

In the twelve TS panels 20A and 20B, the display pattern on each panel surface is simultaneously controlled by the controller 30 via the optical communication cable 35.

3 is a block diagram showing an embodiment of the internal configuration of the TS panel and the controller.

As shown in FIG. 3, the TS panel 20 mainly includes a synchronous detector 21, a central processing unit (CPU) 23, a memory 24, a video signal generator 25, a display control circuit 26, and light emission. The controller 27 is composed of a panel 27 and a controller 30. The controller 30 mainly includes a 16-channel multiplexer 31, an RS-232C circuit 32 for optical communication, a memory card unit 33, and a power unit 34. It consists of).

Display patterns such as traffic information, traffic slogans, advertisements, etc. displayed on the TS panel 20 are changed, and when the memory card of the memory card unit 33 is replaced, the controller 30 is operated to pre-record the memory card. The pattern data is read and the display pattern data is transmitted to each TS panel 20 through the RS-232C circuit 32, the 16 channel multiplexer 31, and the optical communication cable 35.

The display pattern data transmitted from the controller 30 is stored in the memory 24 via an interface (not shown) for the optical communication of the TS panel 20 and the CPU 23.

The synchronization signal is transmitted from the synchronization detector 21 to the CPU 23 of the TS panel 20 via the signal interface 22. The synchronous detector 21 is arranged for each lamp of each color of the traffic signal 10 and outputs a synchronous signal indicating the on / off status of each lamp in synchronization with signal switching. Is a detector that is not electrically connected.

For example, as the synchronous detector 21 described above, as shown in FIG. 4, the coil 21A is wound around each conductor wire 10B for lighting each lamp 10A of the traffic signal, and the current flowing when the lamp is turned on. Photoelectric sensor 21B for converting the magnetic field generated by the signal into an electric signal or being disposed opposite to each lamp 10A of the traffic signal as shown in FIG. 5 to convert light at the time of lamp lighting into an electric signal. And so on. In Fig. 5, reference numeral 10B denotes a sunshade cover of a lamp.

In FIG. 3, the CUP 23 uses, for example, advertising characters based on display pattern data stored in the memory 24 and a synchronization signal indicating a currently lit lamp color applied through the signal interface 22. FIG. The video signal is output to the display control circuit 26 through the video signal generator 25 so that the pattern is white light emission and the background color is the same color as the signal. The display control circuit 26 is based on the input video signal. The light emitting panel 27 is made to emit light.

Further, the thermo heater and the fan heater 29 are driven by the power supply 28 so that the operating temperature range of the TS panel 20 is 0 ° C to 45 ° C. The power source 28 supplies power to each circuit of the TS panel 20.

In the above embodiment, the entire TS panel surface is switched in synchronization with the switching of the signal so that the entire color of the same color as the signal is emitted. However, the TS panel can be controlled to be turned on / off in synchronization with the red lamp.

In addition, the TS panel can be controlled to turn on / off in synchronization with green or yellow.

In addition, based on the display pattern data stored in the memory 24, information such as single traffic information, traffic slogans, advertisements, etc. is displayed on the TS panel 20. However, the present invention is not limited thereto. The pattern data is stored, and the CPU 23 responds to the lighting color of the lamp among the display pattern data stored in the memory 24 on the basis of a synchronization signal indicating the currently lit lamp color applied through the signal interface 22. The stored display pattern data can be read out so that various types of information can be sequentially displayed by the display pattern data.

That is, as shown in FIG. 6A, when the green lamp 10G of the traffic signal 10 is turned on, information corresponding to the green color is displayed on the TS panel 20 and the background color is changed to green. Color as much as possible.

Similarly, as shown in FIG. 6 (B), when the yellow light 10Y is turned on in the traffic signal 10, information corresponding to yellow is displayed on the TS panel 20 and the background color is changed to yellow. As shown in FIG. 6 (C), when the traffic signal 10 is lit with the red lamp 10R, information corresponding to red is displayed on the TS panel 20 and the background color thereof is displayed. Color to red.

In addition, in the present embodiment, the information displayed on the TS panel 10 is switched in correspondence with the lighting color of the signal. However, the information is not limited to this, and for example, more than three types of information are stored in the memory 24 to switch the signal. Information may be sequentially switched and displayed in synchronism with the control unit.

According to the above configuration, information such as advertisement characters, patterns, etc. is emitted white on the panel surface of the TS panel 20, and the background color is switched in synchronization with the switching of the signal so that the emission color of the same color as the signal.

In this way, the TS panel 20 can provide various information to the driver and the pedestrian, and at the same time, the entire large panel surface is switched to be the same color as the signal, so that the TS panel 20 can be easily used as an auxiliary signal that can be visually checked from a distance. Can be.

In addition, since the TS panel 20 is completely separated from the electrical system of the traffic signal, the TS panel 20 does not impair the reliability of the traffic signal.

In addition, since the information displayed on the TS panel 20 is switched in synchronization with the lighting color of the signal signal, a large amount of information can be displayed.

In this embodiment, the TS panel is constructed using a color plasma display panel capable of appropriately changing the display pattern. However, the present invention is not limited thereto. For example, a display panel formed of a light transmissive material is used to display characters, figures, etc. TS panels can also be configured to sequentially illuminate three colors, yellow and red.

As described above, according to the display device for traffic signal according to the present invention, the display means for displaying the information such as traffic information, traffic motto, advertisement, etc. is switched to be the same color as the traffic signal or synchronized with the red color of the traffic signal. Red light makes it possible to function as an auxiliary signal that enables the driver or pedestrian to easily identify the signal color with the naked eye.

In addition, since it is disposed at a position that can be visually checked at the same time as a traffic signal, it is possible to provide a display apparatus having a high advertisement advertisement function capable of transmitting various information to a driver or a pedestrian.

In addition, according to the display device for traffic signal signals, the safety of the traffic signal signals can be assured since the electric circuits of the traffic signal signals are not completely changed from the electric system of the traffic signal signals.

Next, an embodiment of a traffic signal according to the present invention will be described in detail.

In FIG. 7, reference numeral 110 denotes a light emitting panel showing a display portion of a traffic signal according to the present invention, specifically, a color plasma display panel. The light emitting panel 110 is mounted on a support rod 112 from a pole not shown.

The light emitting panel 110 is controlled to emit light by the controller 114 and the panel driving circuit 116 as shown in FIG. That is, the controller 114 is provided with a timer and outputs a control signal to the panel driver circuit 116 which sequentially converts and emits the light emitting panel 110 into green, yellow, and red every predetermined time, and the panel driver circuit 116 is input. Based on the received control signal, the entire light emitting surface of the light emitting panel 110 emits light of a specified light emitting color.

According to the above configuration, since the entire light emitting surface of the light emitting panel 110 emits light in a single color, when compared with a traffic signal having the same size as a conventional traffic signal, the light emitting area is three times or more, and the visibility is improved.

In the present embodiment, a color plasma display panel is used as the light emitting panel. However, the present invention is not limited thereto, and a fluorescent display tube, a light emitting diode panel, and a liquid crystal display may be used.

9 is another embodiment of a traffic signal.

As shown in FIG. 9, the light emitting panel 110 has a light emitting surface divided into a left turn display unit 110A, a straight display unit 110B, a bypass display unit 110C, and each display unit 110A and 110B ( 110C) are each controlled independently.

In the center of each display unit 110A, 110B, 110C, an arrow 111A indicating a left turn, an arrow 111B indicating a straight turn, and an arrow 111C indicating a right turn are always displayed in white light, and each display unit 110A is displayed. Between 110B and 110C, the white lines 110D and 110E for distinguishing each display unit are always displayed in white light emission.

The background colors of the display units 110A, 110B, and 110C are sequentially switched to predetermined timings of green, yellow, and red independently of each other according to the driving directions indicated by the arrows 111A, 111B, and 111C.

For example, if the left turn, go straight, and the right turn are [go] at the same time, the background color of each display unit 110A, 110B, 110C is all light-emitting control, but the left turn, go straight [stop] and only the right turn In the case of [GO], the background color of the display units 110A and 110B is controlled to emit light in red, and the background color of the display unit 110C is controlled to emit light into green.

10 is a timing chart showing the conversion timing of green, yellow and red in this case.

As shown in FIG. 10, the green light emission period of the right turn is longer than the green light emission period of the left turn and the straight line. For example, at time t ₁ , the left turn and straight turn become red, and only the right turn turns green.

In addition, the above-mentioned control of switching the background color of each display unit 110A, 110B, 110C of the light emitting panel 110 can be performed by the controller 114 and the panel driving circuit 116 shown in FIG.

In addition, in this embodiment, a single light emitting panel 110 is divided into three display units 110A, 110B, and 110C, so that each display unit 110A, 110B, and 110C may be independently controlled. Instead, the three light emitting panels corresponding to each display unit may be used side by side.

In addition, the method of classifying the light emitting panel is not limited to the number of possible directions of the vehicle such as the left turn, the straight turn, the right turn, etc., and the signal display for each lane may be performed by dividing by the same number as the driver of the road.

11 is a diagram showing another display example of the light emitting panel 110 of the traffic signal according to the present invention. As shown in FIG. 11, the light emitting panel 110 has a light emitting surface divided into a pedestrian display unit 110D and a car display unit 110E, and each display unit 110D and 110E are independently controlled. have.

In addition, since the vehicle exclusive display unit 110E is controlled similarly to the display unit shown in FIG. 9, detailed description thereof will be omitted here.

The pedestrian-only display unit 110D displays a pedestrian mark indicating a walking state or a stopped state by white light, and the background color of the display unit 110D is switched to green or red according to the displayed pedestrian mark.

When the background color is changed to red, the green color is flickered for a predetermined time before switching.

In this way, by installing the pedestrian display unit 110D and the car display unit 110E in one light emitting panel 110, it is possible to make the signal signal cheaper than in the case where they are installed separately.

In addition, the driver can also see the pedestrian signal at the same time to call attention to the pedestrians can reduce the accident of cars and pedestrians in the intersection.

Next, another embodiment of the traffic signal according to the present invention will be described.

In FIG. 12, reference numeral 210 denotes a light emitting panel showing a display portion of a traffic signal according to the present invention, specifically, a color plasma display panel.

The light emitting panel 210 is a pedestrian traffic signal mounted on a support rod 212 connected to a pole not shown.

The light emitting panel 210 emits light and its display is controlled by the controller 114 and the panel driving circuit 116 shown in FIG.

That is, the controller 114 is provided with a timer, and when it is green with a control signal for sequentially switching the light emitting panel 210 to green, green flashing, and red every predetermined time, the character [WALK] (Fig. 12 (A A white pattern signal representing the character [STOP] (see FIG. 12 (B)) to the panel driver circuit 116, and the panel driver circuit 116 is inputted. On the basis of the control signal and the pattern signal, the entire light emitting surface of the light emitting panel 210 is made to emit light in the light emission color designated by the control signal, and the characters designated by the pattern signal are displayed.

As information to be displayed on the pedestrian traffic signal, the pedestrian mark indicating the state in which the pedestrian is walking and the information in which the pedestrian is stopped, as shown in FIGS. 13A and 13B, may be displayed in addition to the character information. do.

According to the above configuration, information such as characters can also be switched and displayed in correspondence with the switching of the emission color of the light emitting panel 210, thereby improving visibility.

As described above, according to the traffic signal according to the present invention, since the entire light emitting surface of the surface light emitting means is sequentially switched to green, yellow, and red at a predetermined timing, even in the case of a traffic signal having the same size as a conventional traffic signal, The light emitting area can be increased, making it easy to check the signal color by a driver or a pedestrian.

In addition, according to another aspect of the present invention, the surface light emitting means is divided into the left or right, straight, right turn as the player of the road to display an arrow indicating a left turn, an arrow pointing straight and an arrow pointing right on each light emitting surface, respectively; At the same time, since the background light emission color of the arrow is changed to green, yellow, and red sequentially at predetermined timings for each light emitting surface, only one light emitting surface can be judged to be able to proceed only in a specific lane or a specific direction. The display of the signal signal using the conventional arrow can be made simple and easy to see.

In addition, since the information such as text is also switched in synchronization with the switching of the emission color, more attention can be drawn.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

1 is an external view showing a state in which a traffic signal display device according to the present invention is mounted on a traffic signal.

2 is a diagram showing an example of arrangement at the intersection of the TS panels (Traffic Safety Panel) and the controller.

3 is a block diagram showing a configuration example of a TS panel and a controller.

4 is a diagram showing an example of a synchronous detector shown in FIG.

5 is a diagram showing another example of the synchronous detector shown in FIG.

6A to 6C show lighting colors of traffic signals and display information on a TS panel, respectively.

7 is an external view showing an embodiment of a traffic signal according to the present invention.

8 is a block diagram of a traffic signal according to the present invention.

9 is an external view showing another embodiment of a traffic signal according to the present invention.

10 is a timing chart showing an example of green, yellow, and red conversion timing of the traffic signal shown in FIG.

FIG. 11 is a plan view showing main parts of another embodiment of a traffic signal according to the present invention; FIG.

12A and 12B are external views each showing a display example of a traffic signal according to the present invention.

13A and 13B are external views each showing another display example of the traffic signal according to the present invention.

14 is an external view of a conventional traffic signal.

15 is an external view of a traffic signal with a conventional arrow.

Explanation of symbols on the main parts of the drawings

10: traffic signal 12: support rod

14: Bracket 20: TS Panel

21: Sync Detector 22: Signal Interface

23: central processing unit (CPU) 24: memory

25: video signal generator 26: display control circuit

27: light emitting panel 28: power

29: thermo heater, fan heater 30: controller

31: 16-channel multiplexer 32: RS-232C circuit

33: memory card unit 34: power supply unit

35: optical communication cable 110: light emitting panel

112: support rod 114: controller

116: panel driving circuit

Claims (17)

At the same time as the traffic signal, it is installed at a location that is easy to check with the naked eye, and displays information such as traffic information, traffic slogans, advertisements, etc. Display means switchable and displayed; Detection means arranged for each lamp of each color of the traffic signal to detect the on / off state of each lamp without changing the electric circuit of the traffic signal; And control means for switching and controlling the light emission color of the display means to be the same color as the traffic signal on the basis of the output detected from the detection means. The display apparatus according to claim 1, wherein the display means comprises one of surface emitting means of any one of a color plasma display panel, a fluorescent display tube, a light emitting diode panel, and a liquid crystal display. 2. The traffic signal according to claim 1, wherein said detection means is a rotation conversion means arranged in a conductor for lighting a red lamp of a traffic signal and converting a magnetic field generated by a current flowing at the time of lamp lighting into an electric signal. Display. 2. A display apparatus according to claim 1, wherein said detecting means is a photosensor disposed opposite to each lamp of the traffic signal and converting light at the time of lighting each lamp into an electric signal. Display means for displaying information such as traffic information, traffic slogans, advertisements, etc., which is disposed at a position easily visible with the traffic signal at the same time, and red, green, or yellow lamps of the traffic signals. Detection means for detecting the on / off state of the lamp without changing the electric circuit, and on / off of the display means in synchronization with the lamp provided with the detection means based on the output detected from the detection means. Display device for a traffic signal characterized in that it comprises a switching means for switching. Display means for displaying information such as traffic information, traffic slogans, advertisements, etc., which are disposed at a position easily visible with the visual signal at the same time; Detection means disposed in the red lamp of the traffic signal and detecting the on / off state of the lamp without changing the electric circuit of the traffic signal; And switching means for switching on and off of said display means in synchronism with a red lamp on the basis of the output detected from said detecting means. 7. A display apparatus according to claim 6, wherein the display means emits the background light emitting color of information on the display surface in red, and the switching means turns on or off only the background color of the information on the display surface of the display means. 7. A display apparatus according to claim 6, wherein said detecting means is a rotating conversion means for converting a magnetic field generated by a current which is disposed opposite to a red lamp of a traffic signal and flows when the lamp is turned on to an electric signal. . 7. A display apparatus according to claim 6, wherein said detecting means is a photo sensor which is disposed opposite to a red lamp of a traffic signal and converts light at the time of lamp lighting into an electric signal. At the same time as the traffic signal, it is installed at a location that is easy to check with the naked eye, and displays information such as traffic information, traffic slogans, advertisements, etc. Display means for switching to red three colors for displaying; Detection means arranged for each lamp of each color of the traffic signal to detect the lighting / off state of each lamp without changing the electric circuit of the traffic signal; On the basis of the output detected from the detection means, the plurality of pieces of information are sequentially switched in synchronization with the switching of the lighting color of the traffic signal to display on the display means, and the background light emission color of the display means is displayed. And a control means for switching and controlling the same color as that of the traffic signal. Surface light emitting means capable of emitting light by switching the whole surface into at least three colors of green, yellow, and red, and light emission control means for emitting light by sequentially switching the entire light emitting surface of the surface light emitting means into green, yellow, and red at a predetermined timing. Traffic signal, characterized in that provided with. 12. The traffic signal according to claim 11, wherein the surface light emitting means is any one of a color plasma display panel, a fluorescent display tube, a light emitting diode panel, and a liquid crystal display. With a plurality of light emitting surfaces, an arrow indicating left turn, an arrow pointing straight ahead, and an arrow pointing right turn are displayed at the center of each light emitting surface, respectively. Surface emitting means capable of emitting light by converting to colors; And a light emission control means for sequentially switching the background light emission color of each light emitting surface divided into a plurality of surface light emitting means into green, yellow, and red in order to emit light. 14. The traffic signal according to claim 13, wherein the surface light emitting means has the same number of light emitting surfaces as the number of lanes of a road. The traffic signal as claimed in claim 13, wherein the surface light emitting means has a light emitting surface divided by the same number of directions in which the vehicle can travel. 14. The traffic signal according to claim 13, wherein the surface light emitting means displays the arrow by emitting white light. Surface emitting means for displaying information such as traffic information, traffic slogan, advertisement, etc. on the display surface and at the same time converting the background light emission color of the information into green, yellow, red, green or red, and emitting light; Control to switch the background color of the surface light emitting means to green, yellow, red or green, flashing green and red sequentially at a predetermined timing to emit light, and to switch the information displayed on the surface light emitting means at the predetermined timing. Traffic signal comprising a means.