KR200195904Y1 - Signal light apparatus - Google Patents

Abstract

The present invention provides a traffic light device that the traffic signal display is clearly and sufficiently displayed, the structure is compact, and can be used semi-permanently.

The traffic light device includes a case 10 fixed to the support; A plurality of groups of light emitting elements 22, 24, 26, which are installed in the case 10 and are turned on, off, and flashing under the control of a traffic signal controller so as to emit a color corresponding to each traffic signal, are uniform throughout. The display panel 20 is installed to be distributed; And a transparent cover 30 that protects the display panel 20 and transmits light from each of the light emitting elements 22, 24, and 26 of the display panel 20. Between the display panel 20 and the transparent cover 30, the diffused light is distributed so that light from each of the light emitting elements 22, 24, and 26 of the display panel 20 can be uniformly distributed over the entire surface of the display panel 20. Use tape 40 may be installed. The light emitting element of the display panel 20 is formed of an LED (light emitting diode) or an EL (Electro Luminescence) element.

Description

Traffic light device {SIGNAL LIGHT APPARATUS}

The present invention relates to a traffic light device, and more particularly, to a traffic light device that the traffic signal display is clearly and sufficiently recognized, the structure is compact, and can be used semi-permanently.

As is known, but not limited to, most roads through which vehicles pass are equipped with traffic lights to guide the vehicle or control traffic, thereby smoothing the flow of traffic or protecting the vehicle or pedestrian.

That is, as shown in Figure 1, for example, the traffic light 1 is provided in the frame (F) provided on the upper end of the support (P) provided on the side of the road. The traffic light 1 includes a cube-shaped case 2, and in front of the case 2, for example, display covers 3, 4 and 5 of red, green or yellow color are provided. Each of the display covers has a different color but is made of a transparent material. On the other hand, inside the case 1, i.e., behind each display cover 3, 4, 5, a normal incandescent lamp 6 is installed so that the driver or pedestrian can recognize the color of each display panel. It is. Of course, each of these incandescent lamps 6 is turned on or off automatically or manually by the automatic control of the traffic signal controller (not shown) or by the manual control of the traffic controller, so that the corresponding signal cover 3, 4, 5 is applied. Since the color corresponding to the predetermined traffic signal is emitted from the vehicle or pedestrian can be guided and controlled according to the corresponding traffic signal.

However, these conventional traffic lights have been shown to cause various problems as follows.

That is, a conventional traffic light using an incandescent lamp is at the end of its life before the rated life due to the continuous flashing of the incandescent lamps, which requires frequent replacement of the bulb, and during the replacement period is not able to perform a predetermined traffic light function Of course, there was a problem that the power is excessively consumed.

In addition, since the incandescent light bulb having a predetermined size must be installed in the case, the overall size of the traffic light becomes large, as well as being fixed in most circular or square shapes, thereby reducing applicability through deformation of the traffic light.

Moreover, when the size of each display panel is narrow and the driver cannot recognize the signal accurately at a long distance, and when it is contaminated by backlight or dust or pollution, the luminance of light emitted from the display cover is weakened, so that the driver or pedestrians There is a problem that causes a traffic accident by not transmitting the signal correctly.

The present invention has been made to solve the above-described problems, the object of the present invention is to provide a signal lamp device that is excellent in clarity and recognition, can be used semi-permanently, power consumption is reduced.

Another object of the present invention is to provide a traffic light device having a simple structure and compactness and excellent variability and applicability.

1 is a perspective view showing a typical traffic light device.

Figure 2 is an exploded perspective view showing a traffic light device according to the present invention.

3 is a sectional view taken along line III-III of FIG. 2;

Figure 4 is a circuit diagram of the light emitting diode used in the traffic light device according to the present invention.

Figure 5 is a partially enlarged cross-sectional view showing a light emitting device of the traffic light device according to another embodiment of the present invention in detail.

♣ Explanation of symbols for the main parts of the drawing ♣

10: case 20: display panel

22, 24, 26: light emitting device (LED) 30: transparent cover

40: diffused tape 50: light emitting element (EL)

52: first transparent conductive film 53: transport layer

54: light emitting layer 55: metal layer

56: second transparent conductive film

Such objects are fixed to the support case; Installed in the case and controlled by the traffic signal controller to emit a color corresponding to each traffic signal. A display panel in which a plurality of groups of light emitting devices that are turned on, off, and blinking are uniformly distributed throughout; And a transparent cover for protecting the display panel and transmitting light from each light emitting element of the display panel.

One feature of the present invention is that a diffuse reflection tape is provided between the display panel and the transparent cover so that light from each light emitting element of the display panel can be uniformly distributed over the entire surface of the display panel.

Another feature of the present invention is that each light emitting device of the display panel is formed of an LED (light emitting diode) or an EL (Electro Luminescence) device.

The traffic light device configured as described above emits light through the entire display panel, and the identification and recognition are improved, and the structure is compact, the life is almost semi-permanent, and the light emission is excellent, such as an LED or an EL element. By adopting the device, the clarity can be increased and the power consumption can be reduced.

Hereinafter, a preferred embodiment of a traffic light device according to the present invention will be described in detail with reference to the accompanying drawings.

First, referring to FIG. 2, which is an exploded perspective view showing a traffic light apparatus according to the present invention, and FIG. 3, which is a cross-sectional view showing a structure in a state in which the signal light apparatus according to the present invention is assembled, the signal light apparatus according to the present invention is, for example, a post or It includes a case 10 that can be fixed to a fixed support such as a pier by bolts or other fixing means.

Although the case 10 is preferably formed in a housing or box shape, the depth of the case 10 is shallower than that of a conventional traffic light, and may optionally be formed in a plate shape.

Inside or in front of the case 10, a display panel 20 for displaying a traffic signal set in advance or determined by law is provided. In particular, the display panel 20 is uniformly provided with a plurality of light emitting elements for emitting light corresponding to each traffic signal. That is, for example, a plurality of green light emitting elements 22 indicating a passage, a plurality of yellow light emitting elements 24 indicating an atmosphere, and a plurality of red light emitting elements 26 indicating a stop are alternately arranged. Accordingly, in fact, each light emitting device is uniformly distributed in the left and right or up and down in the entire display panel 20, so that a plurality of light emitting device groups, that is, a green light emitting device group 22 and a yellow light emitting device 24 are provided. ) Group and the red light emitting element 26 group are formed.

On the other hand, the light emitting elements 22, 24, and 26 are preferably formed of light emitting diodes (LEDs) having high luminance and displaying predetermined monochromatic light. Of course, each of the light emitting devices are formed to have a small size with a predetermined color light, while the display panel 20 itself is formed to be colorless, so that the color corresponding to each traffic signal can be clearly emitted. In addition, the light emitting diodes forming the respective light emitting elements 22, 24, and 26 are, for example, an operating circuit composed of a power transformer TR, a bridge rectifier BR, and the like connected to a power source, for example. It is connected to, and is lighted, turned off or flashing by its operation circuit. Of course, each of these operation circuits is connected to an existing traffic signal controller (not shown), thereby controlling the light emission of each group of light emitting elements 22, 24, and 26 so that the driver can recognize a predetermined traffic signal. will be.

The cover 30 is provided in front of the case 10 to protect the display panel 20 from the outside. The cover 30 is, of course, preferably formed of transparent synthetic resin or glass so as to completely transmit the light emitted from each group of light emitting elements of the display panel 20. Of course, the mounting and fixing of the cover 30 to the case 10 or the display panel 20 is preferably a fixing means such as a screw, a bolt, etc., a separate installation means such as a mounting groove may be used.

Optionally, the diffuse reflection tape 40 may be provided between the display panel 20 and the cover 30. The diffuse reflection tape 40 may be attached to the surface of the display panel 20 or to the back surface of the cover 30 so that light emitted from each of the light emitting elements 22, 24, and 26 of the display panel 20 is displayed on the display panel 20. This is to disperse | distribute planarly and uniformly over the whole surface of (20). In addition, such a diffused tape 40, as well as the light emitted from the light emitting elements (22, 24, 26) so as not to dare or fatigue the driver or pedestrians, and to back light or as a headlight This prevents the sharpness from being lowered, thereby maintaining a high brightness at all times.

5 is a cross-sectional view illustrating a traffic light device according to another embodiment of the present invention. According to the traffic light device, the light emitting device 50 provided on the display panel 20 has high luminance and low luminance. It is preferred to be formed of an EL (Electro Luminescence) element capable of exhibiting. As described above, when each light emitting device is formed of an organic EL device, the same light emitting device 50 is uniformly distributed over the entire display panel 20 without arranging the light emitting devices according to colors as described above, and then a controller (not shown). By controlling the color of these as a whole using a predetermined traffic signal display color can be emitted. That is, in more detail, when the configuration of the EL device forming the light emitting device 50 is schematically described, the reflective layer 51, the first transparent conductive film 52, the transport layer 53, The light emitting layer 54, the metal layer 55, and the second transparent conductive film 56 are laminated. Here, the reflective layer 51 is formed of a metal thin film such as aluminum, and the metal layer 55 stacked on the light emitting layer 54 is formed in a thin film form to serve as a cathode and can emit light of a predetermined color from the light emitting layer 54. It transmits the colored light. The second transparent conductive film 56 is preferably applied thereon in order to prevent the high resistance of the light emitting layer 54 from being able to exhibit a sufficient function as the cathode. The light emitting device 50 configured as described above may be formed in a thin film or sheet form because the entire thickness of the display panel 20 is extremely thin. Of course, a separate controller (not shown) connected to the traffic signal controller, for example, is connected to the light emitting element 50 formed of the EL element, so that the current injected from the electrode under the control of the controller is emitted from the light emitting layer 54. The light is converted into light and the light is emitted through the second transparent conductive film 56. Since the structure and function of such an EL element are generally known recently, further detailed description is omitted for clarity.

According to the installation method and operation of the traffic light device according to the present invention configured as described above, the installation may be used in conjunction with an existing general traffic signal controller or control panel to use an existing or scheduled traffic signal control system as it is. That is, the installation is terminated by connecting the operation circuit to which each light emitting element 22, 24, 26 is connected to the general traffic signal controller and fixing the case 10 to a predetermined structure.

In such an installation state, when power is supplied from the traffic signal controller to the operation circuits to which the respective light emitting elements 22, 24 and 26 are connected, the power input to the power supply of the operation circuit is, for example, 10 to 10 in the transformer TR. The voltage drops to 12V, and the voltage dropped in this manner is rectified by the bridge rectifier BR, and then supplied to the light emitting device through a resistor so that the light emitting devices 22, 24, and 26 are turned on to emit a predetermined traffic signal color. will be. Of course, in this case, the LEDs forming the respective light emitting device groups are sequentially turned on, off, or flashing according to a signal controlled by the traffic signal controller, or the corresponding light emitting device groups emit light by an arbitrary operation of the traffic controller. .

In addition, before the light emitted from the light emitting elements reaches the eyes of the driver or the pedestrian through the transparent cover 30, the light is uniform to the entire surface of the display panel 20 by the diffuse reflection tape 40. By distributing or dispersing, the driver or pedestrian can clearly recognize the signal signal that has been widened as well as can recognize the traffic signal larger and clearer without feeling eye fatigue even in the backlight.

Optionally, when the light emitting elements 50 provided in the display panel 20 are EL elements, a controller supplied with a control signal supplied from a traffic control signal (not shown) controls the light emission color of the EL elements to display a predetermined traffic signal color. The whole can emit light.

As described in the above description, the traffic light device according to the present invention has been described by taking an example of a rectangle as an embodiment, the shape and shape is not limited to the above-described form and variously depending on the purpose or installation situation desired by the handler. It should be understood that it can be taken.

In the traffic light device of the present invention described in detail above, the color of each traffic signal is emitted through the entire display panel to improve identification and recognition, and its structure is compact and can be used semi-permanently. It works. In addition, by adopting a light emitting device such as an LED or an EL device excellent in light emitting power, the sharpness and recognition can be increased, and the power consumption can be minimized.

Claims (4)

A case 10 fixed to the support; The plurality of groups of light emitting elements 22, 24, and 26 installed in the case 10 and being turned on, off, and flashing under control of the traffic signal controller to emit a color corresponding to each traffic signal are uniform throughout. The display panel 20 is installed to be distributed; And And a transparent cover (30) for protecting the display panel (20) and transmitting the light emitted from each light emitting element (22, 24, 26) of the display panel (20). The display panel of claim 1, wherein the light emitted from each of the light emitting elements 22, 24, and 26 of the display panel 20 is disposed between the display panel 20 and the transparent cover 30. Traffic light device, characterized in that the diffuse reflection tape 40 is installed so as to be evenly distributed. 3. A traffic light device according to claim 1 or 2, wherein each of the light emitting elements (22,24,26) of the display panel (20) is an LED (light emitting diode). The traffic light device according to claim 1, wherein the light emitting element of the display panel is an EL (Electro Luminescence) element.