KR20200032468A - Method and system for servicing an information using a liquid crystal display for signal lamp - Google Patents

Abstract

The present invention provides an information providing system using a liquid crystal display for a traffic light which includes: a liquid crystal display for a traffic light which is formed inside a traffic light case; and a traffic light control apparatus which divides the liquid crystal display for a traffic light into at least two areas to control the same and applies a signal corresponding to information to the liquid crystal display for a traffic light to display the information on each area of the liquid crystal display for a traffic light. The traffic light control apparatus includes: a receiving unit which receives information wirelessly or by a wire; and a display control unit which displays an image corresponding to received traffic light information on a partial area of the liquid crystal display for a traffic light as the traffic light information is received through the receiving unit and displays an image corresponding to advertisement information on the other area of the liquid crystal display of a traffic light as the advertisement information is received through the receiving unit. Therefore, the present invention can provide various services using a traffic light.

Description

METHOD AND SYSTEM FOR SERVICING AN INFORMATION USING A LIQUID CRYSTAL DISPLAY FOR SIGNAL LAMP}

The present invention relates to an information providing system and method using a liquid crystal display for traffic lights.

In general, traffic lights are divided into traffic lights for pedestrians and traffic lights for driving and pausing of vehicles, and these traffic lights are provided with blue, yellow, and red traffic lights, respectively, to be controlled and controlled for each time zone so that the traffic lights change sequentially. Doing. Such existing traffic lights are turned on by applying power to specially manufactured light bulbs, and the color of the light bulb covers can be used to distinguish the color of the traffic lights to improve the smoothness of traffic flow and safety of driving. Since it is suddenly made by the controller regardless of the driver or pedestrian, safety measures such as frequent accidents due to contact accidents with front and rear vehicles, especially in pedestrian crossings, etc. It is an urgent situation. In order to solve this, a seven-segment display device made of light-emitting diodes is installed in a frame for installing traffic lights separately from traffic lights, so that the time for changing the traffic lights is indicated by a number, but the driver or pedestrian is predicting the change of traffic lights. It is customary to drive a vehicle in the state where the color of is mainly observed, so even if a display device for a separate time display is installed, the incidence of safety accidents is not significantly reduced.

The traffic lights are largely classified into traffic lights using halogen lamps and traffic lights using light emitting diodes.

In recent years, with the development of the liquid crystal display technology, the lifespan and brightness of the liquid crystal display have been improved, and the price has been reduced through innovation in the manufacturing process. Accordingly, in recent years, a field in which a liquid crystal display is used is expanding.

Republic of Korea Utility Model Publication No. 20-0165216 (Registered on October 14, 1999)

The present invention provides an information providing system and method using a liquid crystal display for traffic lights that can provide advertisement information as well as information related to traffic lights using a liquid crystal display.

In addition, the present invention provides an information providing system and method using a liquid crystal display for a traffic light capable of targeted advertisement according to a user's progress direction by providing advertisement information according to a change in a traffic light.

In addition, the present invention provides an information providing system and method using a liquid crystal display for traffic lights that can provide traffic lights, advertisements, and traffic situation information.

In order to solve the problems to be solved above, the information providing system using the liquid crystal display for traffic lights according to an embodiment of the present invention includes a liquid crystal display for a traffic light formed inside the traffic light case and a liquid crystal display for the traffic light in at least two or more areas. It includes a traffic light control device that divides and controls, and applies information corresponding to information to the traffic light liquid crystal display to display information on each area of the traffic light liquid crystal display. The receiving unit and the traffic signal information received through the receiving unit to display the image corresponding to the received traffic light information on a portion of the liquid crystal display for the traffic light, and as the advertisement information is received through the receiving unit In response to advertising information The image may include a display control unit for displaying on another area of the liquid crystal display for the traffic light.

According to an embodiment of the present invention, the traffic light control device further includes a memory in which the advertisement information in which the location information of the advertisement company and the location information of the advertisement company is set in a predetermined radius in each direction in which the liquid crystal display for the traffic light is installed is stored. The display control unit extracts area information from a memory using a driving direction of a vehicle (or a user) according to the traffic light information, and then extracts advertisement information having an identification code corresponding to the area information from the memory to the other area Can be marked on.

According to an embodiment of the present invention, the receiving unit receives traffic status information through a wired or wireless communication network, and the display control unit receives an image corresponding to the traffic status information as the traffic status information is received through the receiving unit. It can be displayed on another area of the liquid crystal display.

According to an embodiment of the present invention, the traffic light control device further includes a memory in which area information within a preset radius for each direction of travel is stored in a position where the liquid crystal display for the traffic light is installed, and the display control unit is configured to drive the vehicle according to the traffic light information. After extracting the area information from the memory using the direction of the user (or the user), traffic state information corresponding to the area information may be displayed in the another area.

In order to solve the problems to be solved above, the information providing method using the liquid crystal display for traffic lights according to an embodiment of the present invention includes a liquid crystal display for traffic lights formed inside a traffic light case and a liquid crystal display for traffic lights in at least two or more areas. Information using a liquid crystal display for traffic lights, comprising a traffic light control device that divides and controls and applies the signal corresponding to the information received through the receiver to the liquid crystal display for traffic lights to display information on each area of the liquid crystal display for traffic lights. In the providing method, the traffic light control device stores the advertisement information received through the receiving unit in a memory, and as the traffic light information is received through the receiving unit, the image corresponding to the received traffic light information is the liquid crystal. Part of display The method may include displaying on an area, and displaying an image corresponding to the advertisement information stored in the memory on another area of the liquid crystal display for the traffic light.

According to an embodiment of the present invention, in the memory, area information within a preset radius for each direction of travel is stored in a location where the liquid crystal display for traffic lights is installed. The received advertisement information is stored in the memory and displayed on the other area includes extracting area information from the memory using the direction of the vehicle (or user) according to the traffic light information and the area It may include the step of extracting advertisement information having an identification code corresponding to the information from the memory and displaying it in the other area.

According to an embodiment of the present invention, when the traffic light information is newly received through the receiving unit, the information providing method uses the direction of the vehicle (or user) according to the newly received traffic light information to obtain local information from the memory. The method may further include extracting again, and updating advertisement information displayed in the other area by extracting advertisement information having an identification code corresponding to the extracted region information from memory.

According to an embodiment of the present invention, the information providing method includes receiving traffic condition information through the receiving unit, and receiving the traffic condition information through the receiving unit to display an image corresponding to the traffic situation information through the liquid crystal for the traffic light. The method may further include displaying on another area of the display.

According to an embodiment of the present invention, in the memory, area information within a preset radius for each direction of travel is stored in a location where the liquid crystal display for traffic lights is installed, and displaying the information in another area includes a vehicle according to the traffic light information ( Alternatively, the method may include extracting area information from a memory using a user's progress direction and displaying traffic condition information corresponding to the area information in the another area.

According to the problem solving means of the present invention described above, by providing an information providing system and method using a liquid crystal display for traffic lights that can provide not only information related to traffic lights but also advertisement information using a liquid crystal display, various services using traffic lights are provided. Can provide.

In addition, according to the above-described problem solving means of the present invention, by providing advertisement information according to a change in a traffic light, target advertisement according to a user's progress direction is possible.

1 is a view showing the overall structure of an information providing system using a liquid crystal display for traffic lights according to an embodiment of the present invention.
2 is a view showing the structure of a liquid crystal display for traffic lights according to an embodiment of the present invention.
3 is an exemplary view showing an area in which information is displayed by a traffic light control device according to an embodiment of the present invention.
4 is a block diagram showing a detailed configuration of a traffic light control device according to an embodiment of the present invention.
5 is a flowchart illustrating a process of providing information using a liquid crystal display for traffic lights according to an embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The following detailed description is provided to aid in a comprehensive understanding of the methods, devices and / or systems described herein. However, this is only an example and the present invention is not limited thereto.

In describing the embodiments of the present invention, when it is determined that a detailed description of known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice. Therefore, the definition should be made based on the contents throughout this specification. The terminology used in the detailed description is only for describing embodiments of the present invention and should not be limiting.

Hereinafter, a system for providing traffic light information using a liquid crystal display will be described with reference to the accompanying drawings.

1 is a view showing the overall structure of an information providing system using a liquid crystal display for traffic lights according to an embodiment of the present invention, a traffic light liquid crystal display 100, a traffic light control device 200, a traffic control server 300 and It may include an advertisement service providing server 400 and the like.

The liquid crystal display 100 for a traffic light according to an embodiment of the present invention converts an electrical information signal into an optical information signal using the electrical and optical properties of the liquid crystal and displays it as patterned information that can be recognized through vision. An example of such an apparatus is an LCD.

As shown in FIG. 2, the liquid crystal display 100 for a traffic light is installed on an inner rear surface of the traffic light case 102 to generate a light source, a backlight panel 104, a polarizing plate 106, a TFT 108, and a liquid crystal It may be composed of a panel 110, a color filter 112 and a liquid crystal protection member 114. That is, the liquid crystal display 100 for the traffic light transmits light generated from the backlight panel 104 in one direction, and a polarizing plate 106 that blocks light in the other direction, and a switching element that applies and blocks signal voltage to each pixel. A liquid crystal panel in which molecules of liquid crystal are arranged according to the electrical signals of the TFT 108 and TFT 108 to control the amount of transmitted light by adjusting the liquid crystal arrangement of the corresponding pixel. 110), a color filter 112 for coloring the light transmitted through the liquid crystal panel 110, and a liquid crystal protection member 114 having a central convex shape.

Here, the liquid crystal protection member 114 is made of a transparent material such as polycarbonate, and the center may be formed to protrude in the form of a dome toward the outside. Accordingly, information displayed on the liquid crystal display 100 for traffic lights, such as signal information, advertisement information, and traffic information, can be viewed from the side direction.

In addition, the front surface of the traffic light case 102 is separated in a circular or square shape for the transmission of light, and a protective case in which a power circuit, etc., including a printed circuit board including a traffic light control device 200, can be mounted therein ( (Not shown).

The traffic light control device 200 according to an embodiment of the present invention divides and controls the liquid crystal display 100 for a traffic light into at least two or more regions, and applies a signal corresponding to information to the liquid crystal display 100 for a traffic light to use for a traffic light Information may be displayed in each region of the liquid crystal display 100. Specifically, as shown in FIG. 3, the traffic light control device 200 may divide and control the liquid crystal display 100 for a traffic light into a traffic light display area 116 and an information display area 118. Here, the traffic light display area 116 displays an image corresponding to the traffic light information according to a signal corresponding to the traffic light information, and the information display area 118 advertises according to a signal corresponding to the advertisement information or traffic situation information. An image corresponding to information or traffic situation information may be displayed.

To this end, the traffic light control device 200 according to an embodiment of the present invention, as shown in Figure 4, an external device, for example, traffic control server 300, advertising service providing server 400 and the like wired or wireless communication network Display control unit for controlling information displayed on each region 116 and 118 of the liquid crystal display 100 for a traffic light according to the information received through the receiving unit 202 and the receiving unit 202 connected through the 204).

The reception unit 202 is a communication circuit for connecting the traffic light control device 200 to a wired or wireless communication network, and may include one or more instances for simultaneously performing several communication operations using different communication networks. For example, the receiver 202 includes Wi-Fi (eg, 802.11 protocol), Ethernet, radio frequency systems, cellular networks (eg, GSM, AMPS, GPRS, CDMA, EV-DO, EDGE) , 3GSM, DECT, IS-136 / TDMA, iDen, LTE or any other suitable cellular network or protocol) TCP / IP (e.g. any of the protocols used in each of the TCP / IP layers), HTTP, BitTorrent (BitTorrent), FTP, RTP, RTSP, SSH, Voice over IP (VOIP), any other communication protocol, or any combination thereof.

The receiving unit 202 is connected to the traffic control server 300 and the advertisement service providing server 400, which are external devices, through a wired or wireless communication network, receives traffic light information, advertisement information, and traffic situation information, and displays it. 204.

The display control unit 204 applies the signal corresponding to the display state of the traffic light to the liquid crystal display 100 for the traffic light through the traffic light display area 116 as the traffic light information is received through the reception unit 202 to the traffic light information. In addition to controlling the display of the corresponding image, letters or numbers corresponding to the display state of the traffic light can be displayed on the traffic light display area 116.

In addition, the display control unit 204, the traffic condition information according to the change of the traffic light information as the traffic situation information, for example, incident / accident information, traffic congestion related information, etc. is received through the receiver 202, the information display area 118 Can be marked on. Specifically, the display control unit 204 applies the signal corresponding to the traffic condition information in the corresponding direction to the vehicle traveling in the corresponding direction according to the change of the traffic light information to the information display area 118 by applying the signal to the liquid crystal display 100 for the traffic light. The video corresponding to the traffic situation information can be displayed.

On the other hand, as the advertisement information is received from the advertisement service providing server 400, the display control unit 204 applies a signal corresponding to the advertisement information to the liquid crystal display 100 for a traffic light and corresponds to the advertisement information in the information display area 118. The video to be displayed can be displayed.

Advertisement information according to an embodiment of the present invention may be a text message or a video, and may include an identification code. The identification code may be information set based on the location information of the advertiser.

The display control unit 204 may control advertisement information displayed on the information display area 118 according to the traffic light display state according to the traffic light information. Specifically, the display control unit 204 may display advertisement information having an identification code matching an area corresponding to a moving direction of a vehicle (or a user) according to a traffic light display state on the information display area 118.

To this end, the traffic light control device 200 according to an embodiment of the present invention may include a memory 206 in which area information within a preset radius is stored for each direction of travel at a position where the liquid crystal display 100 for traffic lights is installed. Accordingly, the display control unit 204 extracts the area information from the memory 206 using the direction of the vehicle (or user) according to the traffic light display state, and then displays the advertisement information having the identification code corresponding to the area information in the information display area. (118).

In addition, the advertisement information including the identification code received from the advertisement service providing server 400 and the traffic situation information received from the traffic control server 300 may be stored in the memory 206.

The advertisement service providing server 400 may receive advertisement information including a location of a company from a plurality of advertisement requesting companies (not shown), and then map the advertisement information to the location and transmit it to the traffic light control device 200. Specifically, the advertisement service providing server 400 stores the location information of the traffic light control device 200 in the database 500, sets the location as the identification code of the advertisement information, and then based on the location, which is the identification code of the advertisement information. In the database 500, the traffic light control device 200 installed at the location where the advertisement information is to be transmitted may be searched, and the searched traffic light control device 200 may transmit advertisement information including an identification code.

In an embodiment of the present invention, the advertisement service providing server 400 searches the traffic light control device 200 within a predetermined radius from the location of the company that is the identification code of the advertisement information in the database 500 and then searches the traffic light control device ( 200) may transmit advertisement information including an identification code.

The traffic control server 300 includes traffic light information for controlling traffic light and traffic condition information based on the location of the traffic light control device 200 (for example, includes event / accident information, traffic traffic information, etc.). It can be transmitted to the control device 200.

The process of controlling the information displayed on the liquid crystal display 100 for a traffic light by the traffic light control device 200 having the above-described configuration will be described with reference to FIG. 5.

5 is a flowchart illustrating a process of providing information using a liquid crystal display 100 for a traffic light according to an embodiment of the present invention.

As shown in FIG. 5, the traffic light control device 200 receives advertisement information including an identification code from the advertisement service providing server 400 and stores it in the memory 206 (S500).

Subsequently, as the traffic light information is received from the traffic control server 300 (S502), an image corresponding to the traffic light information is displayed in the traffic light display area 116 of the traffic light display 100 for the traffic light of the liquid crystal display 100 for the traffic light. It is displayed on the traffic light display area 116 (S504).

In addition, the traffic light control device 200 checks the direction of the vehicle or the user according to the traffic light information (S506), extracts the area information from the memory 206 using the checked direction (S508) Advertisement information having an identification code corresponding to is extracted from the memory 206 and displayed in the information display area 118 (S510).

Thereafter, the traffic light control device 200 determines whether traffic light information for changing the traffic light is received from the traffic control server 300 (S512).

As a result of the determination of S512, when traffic light information is received, the traffic light control device 200 changes the image in the traffic light display area of the liquid crystal display 100 for traffic lights by using the image corresponding to the traffic light information related to the traffic light change (S514) ) And changes advertisement information displayed in the information display area 118 according to the direction of the vehicle or the user according to the changed traffic light information (S516). Specifically, the traffic light control device 200 extracts the area information from the memory 206 using the vehicle or the user's traveling direction according to the changed traffic light information, and then stores the advertisement information having the identification code corresponding to the area information in the memory 206 ) To change advertisement information displayed in the information display area 118.

In the embodiment of the present invention as described above, it has been described, for example, that only the advertisement information is displayed in the information display area 118, but traffic situation information can also be displayed. Specifically, the information display area 118 may be divided into at least two or more to display advertisement information in one divided area, and traffic situation information in another area.

According to an embodiment of the present invention, traffic situation information displayed in another area may be displayed according to a traffic light. Specifically, the traffic situation information included in the area information corresponding to the direction of the vehicle according to the traffic light information may be displayed in another area of the information display area 118. To this end, the traffic light control device 200 extracts the area information from the memory 206 using the direction of travel of the vehicle according to the traffic light information, and then transmits the traffic information corresponding to the area information to another area of the information display area 118 It is possible to display and extract the area information from the memory 206 using the direction of the vehicle according to the changed traffic light information as the traffic light information is changed, and then use the traffic information corresponding to the area information to display the information area 118 ) Can change the image displayed on the other area.

The above description of the present application is for illustrative purposes, and those skilled in the art to which the present application pertains will understand that it is possible to easily modify to other specific forms without changing the technical spirit or essential features of the present application. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be interpreted to be included in the scope of the present application. .

100: liquid crystal display for traffic lights
200: traffic light control device
300: traffic control server
400: advertisement service providing server
500: database

Claims (9)

A liquid crystal display for a traffic light formed inside the traffic light case,
It includes a traffic light control device for dividing and controlling the liquid crystal display for traffic lights into at least two or more areas, and applying a signal corresponding to information to the liquid crystal display for traffic lights to display information on each area of the liquid crystal display for traffic lights,
The traffic light control device,
Receiving unit for receiving information by wire or wireless,
As traffic light information is received through the receiving unit, an image corresponding to the received traffic light information is displayed on a portion of the liquid crystal display for the traffic light, and as the advertisement information is received through the receiving unit, the image corresponds to the advertisement information. An information providing system using a liquid crystal display for a traffic light including a display control unit for displaying an image on a different area of the liquid crystal display for the traffic light.
According to claim 1,
The traffic light control device,
In the location where the liquid crystal display for traffic lights is installed, the region information within the preset radius for each direction of travel and the location information of the advertisement company further include a memory in which advertisement information with an identification code is set,
The display control unit,
A traffic light liquid crystal for extracting area information from a memory using a driving direction of a vehicle (or a user) according to the traffic light information and extracting advertisement information having an identification code corresponding to the area information from the memory and displaying it in the other area Information provision system using a display.
According to claim 1,
The receiving unit,
Traffic information is received through a wired or wireless communication network,
The display control unit,
An information providing system using a liquid crystal display for traffic lights that displays an image corresponding to the traffic condition information in another area of the liquid crystal display for traffic lights as traffic condition information is received through the receiver.
According to claim 3,
The traffic light control device,
In the location where the liquid crystal display for traffic lights is installed, the area information in a preset radius for each direction of travel is further provided,
The display control unit,
An information providing system using a liquid crystal display for traffic lights that displays traffic situation information corresponding to the area information in the another area after extracting area information from a memory using a direction of a vehicle (or user) according to the traffic light information .
The liquid crystal display for a traffic light formed inside the traffic light case and the liquid crystal display for the traffic light are divided into at least two regions and controlled, and a signal corresponding to information received through a receiving unit is applied to the liquid crystal display for the traffic light to apply for the traffic light. In the information providing method using a liquid crystal display for a traffic light comprising a traffic light control device for displaying information on each area of the liquid crystal display,
Storing, by the traffic light control device, advertisement information received through the receiver in a memory;
Displaying an image corresponding to the received traffic light information on a portion of the liquid crystal display as the traffic light information is received through the receiver;
And displaying an image corresponding to the advertisement information stored in the memory on another area of the liquid crystal display for traffic lights.
The method of claim 5,
In the memory,
Area information within a preset radius for each direction of travel is stored at the location where the liquid crystal display for traffic lights is installed.
The storing step,
The location information of the advertisement company receives the advertisement information with the identification code set through the receiving unit and stores it in the memory,
The step of displaying on the other area,
Extracting local information from the memory using the direction of travel of the vehicle (or user) according to the traffic light information;
A method of providing information using a liquid crystal display for traffic lights, the method comprising extracting advertisement information having an identification code corresponding to the area information from a memory and displaying it on the other area.
The method of claim 6,
The above information providing method,
When the traffic light information is newly received through the receiving unit, re-extracting the local information from the memory using the traveling direction of the vehicle (or user) according to the newly received traffic light information,
A method of providing information using a liquid crystal display for traffic lights further comprising extracting advertisement information having an identification code corresponding to the extracted region information from a memory and updating advertisement information displayed in the other area.
The method of claim 5,
The above information providing method,
Receiving traffic condition information through the receiving unit;
A method of providing information using a liquid crystal display for traffic lights, further comprising displaying an image corresponding to the traffic condition information on another area of the liquid crystal display for traffic lights as traffic condition information is received through the reception unit.
The method of claim 8,
In the memory,
Area information within a preset radius for each direction of travel is stored at the location where the liquid crystal display for traffic lights is installed.
The step of displaying on the other area,
Extracting local information from the memory using the direction of travel of the vehicle (or user) according to the traffic light information;
A method of providing information using a liquid crystal display for traffic lights, comprising displaying traffic condition information corresponding to the area information in the another area.

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