KR102355941B1 - Display Device And Method of Image Display Service - Google Patents

Abstract

The present invention relates to a display device capable of providing information to a driver of a rear vehicle based on location data and a method for displaying an image.
The display device of the present invention is disposed at the rear of the vehicle to display an image to the driver of the rear vehicle. To this end, the display device of the present invention includes a position detection sensor, a memory, a control unit, and a display panel. The position detection sensor generates position data of the current time. A plurality of image data linked to location data of a specific area is stored in the memory. The control unit detects first image data linked to the position data of the current time from among the plurality of image data. Then, the display panel displays the first image data linked to the position data of the current time.

Description

Display Device And Method of Image Display Service

The present invention relates to a display device capable of providing information to a driver of a rear vehicle based on location data and a method for displaying an image.

In general, an advertisement method using a vehicle uses a method of printing advertisement text on an external side of a bus or a taxi, or on a crime prevention lamp of a taxi. In addition, a method of attaching a film printed with advertisements to the inner side of the bus is used. However, this advertising method has limitations in advertising content by printing photos, pictures, phrases, etc. in a limited way, and has a disadvantage in that the advertising effect is low by simply exposing advertising information that is not related to the advertising target.

1 is a view showing advertising methods according to the prior art.

Referring to FIG. 1 , looking at advertisement services using a vehicle, a method of disposing a printed material on the outside of the vehicle, an LED inside the vehicle, or a film on which an advertisement is printed inside the vehicle is applied.

The method of arranging the printed material on the outside of the vehicle has a disadvantage of low visibility at night, and has a disadvantage in that it is necessary to produce and install a print every time an advertisement is replaced. The method of arranging LEDs inside a vehicle has the disadvantage of being able to provide only low-resolution text advertisements with limited colors. The method of arranging a film on which advertisements are printed inside a vehicle cannot provide video advertisements, and has disadvantages in that advertisement film production and advertisement film must be installed every time an advertisement is replaced.

In addition to the method of displaying images (advertisements) using printed materials, LEDs, and films, there is a method of providing advertisements while providing image content by watching videos or broadcasts through a TV or satellite broadcast receiver installed in a vehicle. However, it is an advertisement method that is not significantly different from the existing TV advertisement, and there is a limit in enhancing the advertisement effect.

Recently, the demand for customized video (advertisement) services is increasing, but the existing vehicle method meets all the demands of consumers (advertisers) who want to expose specific images (advertisements) to specific consumers (targets). can't satisfy In addition, when a consumer (advertiser) wants to expose an image (advertisement) limited to a specific region, a display device and an image display service method that can implement this have not been developed.

An object of the present invention is to provide a display device and an image display service method for displaying an image linked to a specific location based on location data.

An object of the present invention is to provide a display device and an image display service method for displaying an image by interworking with a smart communication device based on the Internet of Things.

An object of the present invention is to provide a display device and an image display service method for selectively displaying image data stored in an internal memory or an external memory (USB memory) based on location data.

An object of the present invention is to provide a display device and an image display service method for loading and displaying image data through communication with a smart device.

An object of the present invention is to provide a display device and an image display service method for displaying an image linked to a current location based on location data (GPS).

An object of the present invention is to provide a display apparatus and an image display service method for displaying an image when a rear vehicle approaches by using a rear sensor.

An object of the present invention is to provide a display apparatus and an image display service method for displaying an image linked to a current location and current time based on location data and time data.

In addition to the technical problems of the present invention mentioned above, other features and advantages of the present invention will be described below, or will be clearly understood by those of ordinary skill in the art from such description and description.

The display device of the present invention is disposed at the rear of the vehicle to display an image to the driver of the rear vehicle. To this end, the display device of the present invention includes a position detection sensor, a memory, a control unit, and a display panel. The position detection sensor generates position data of the current time. A plurality of image data linked to location data of a specific area is stored in the memory. The control unit detects first image data linked to the position data of the current time from among the plurality of image data. Then, the display panel displays the first image data linked to the position data of the current time.

The display apparatus of the present invention further includes a wired/wireless communication unit for storing second image data input through wired or wireless communication in the memory.

The display apparatus of the present invention newly registers, changes, and deletes image data stored in the memory according to new registration, change, and deletion of a specific area linked with image data.

The display apparatus of the present invention detects the first image data linked to the location data and the time data by further using the time data of the current time. Thereafter, the detected first image data is displayed.

The display device of the present invention further includes a rear sensor for generating rear detection data by measuring a distance to the rear vehicle. Here, when the rear vehicle is located at a predetermined distance based on the rear detection data, the first image is displayed.

The display device of the present invention displays first image data linked with the location data while the vehicle enters or is located in a specific area.

The display device of the present invention further includes a light shield disposed to surround the display panel.

In the display device of the present invention, the bottom surface of the light shield is flat, and the side is inclined.

In the display device of the present invention, the side surface of the light shield is inclined to correspond to the inclination of the rear window of the vehicle.

The image display service method of the present invention includes a display device disposed at the rear of a vehicle and displaying an image based on location data of the vehicle or the display device. When the vehicle or the display device enters or is located in a specific area, first image data linked to the specific area from among a plurality of image data is detected based on the location data. Thereafter, when the rear vehicle travels at a predetermined speed or less, or when the rear vehicle is located within a predetermined distance, the display device displays the first image data to provide information to the driver of the rear vehicle.

In the image display service method of the present invention, a cost for image display is applied differentially according to the size of the specific area linked with image data.

In the image display service method of the present invention, a cost for image display is applied differentially according to the location of the specific area linked with image data.

In the image display service method of the present invention, the first image data linked to the specific area includes advertisements, traffic information, and public information.

The display device of the present invention may display an image linked to a specific location based on location data.

The display device of the present invention may display an image by interworking with a smart communication device based on the Internet of Things.

The display device of the present invention may selectively display image data stored in an internal memory or an external memory (USB memory) based on location data.

The display device of the present invention may load and display image data through communication with a smart device.

The display device of the present invention may display an image linked to a current location based on location data (GPS).

The display device of the present invention may display an image when a rear vehicle approaches by using a rear sensor.

The display apparatus of the present invention may display an image linked to a current location and a current time based on location data and time data.

In addition to the technical problems of the present invention mentioned above, other features and advantages of the present invention will be described below, or will be clearly understood by those of ordinary skill in the art from such description and description. In addition, other features and advantages of the present invention may be newly recognized through embodiments of the present invention.

1 is a view showing advertising methods according to the prior art.
2 is a perspective view of a display device according to an embodiment of the present invention.
3 is a bottom view of the display device shown in FIG. 2 according to an embodiment of the present invention.
4 is a view illustrating that a display device according to an embodiment of the present invention is disposed at the rear of a vehicle.
5 is a diagram illustrating a configuration of a display device according to an embodiment of the present invention.
6 is a diagram illustrating a method of displaying an image to a rear vehicle.
7 is a diagram illustrating a method of displaying an image based on location data.

The meaning of the terms described in this specification should be understood as follows.

Like reference numerals refer to substantially identical elements throughout. In the following description, a detailed description of configurations and functions known in the art and cases not related to the core configuration of the present invention may be omitted. The meaning of the terms described in this specification should be understood as follows.

Advantages and features of the present invention, and a method for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only these embodiments make the disclosure of the present invention complete, and those of ordinary skill in the art to which the present invention pertains. It is provided to fully inform the person of the scope of the invention, and the present invention is only defined by the scope of the claims.

In the present specification, it should be noted that, in adding reference numbers to the components of each drawing, the same numbers are provided to the same components as possible even though they are indicated on different drawings.

The shapes, sizes, proportions, angles, numbers, etc. disclosed in the drawings for explaining the embodiments of the present invention are exemplary, and thus the present invention is not limited to the illustrated matters. Like reference numerals refer to like elements throughout. In addition, in describing the present invention, if it is determined that a detailed description of a related known technology may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. When 'including', 'having', 'consisting', etc. mentioned in this specification are used, other parts may be added unless 'only' is used. When a component is expressed in the singular, cases including the plural are included unless otherwise explicitly stated.

In interpreting the components, it is construed as including an error range even if there is no separate explicit description.

In the case of a description of the positional relationship, for example, when the positional relationship of two parts is described as 'on', 'on', 'on', 'beside', etc., 'right' Alternatively, one or more other parts may be positioned between two parts unless 'directly' is used.

In the case of a description of a temporal relationship, for example, 'immediately' or 'directly' when a temporal relationship is described with 'after', 'following', 'after', 'before', etc. It may include cases that are not continuous unless this is used.

The term 'at least one' should be understood to include all possible combinations of one or more related items. For example, the meaning of 'at least one of the first item, the second item and the third item' means not only the first item, the second item, or the third item respectively, but also two of the first item, the second item and the third item. It means a combination of all items that can be presented from more than one.

Although the first, second, etc. are used to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish one component from another. Accordingly, the first component mentioned below may be the second component within the spirit of the present invention.

Each feature of the various embodiments of the present invention may be partially or wholly combined or combined with each other, technically various interlocking and driving are possible, and each embodiment may be independently implemented with respect to each other or implemented together in a related relationship. may be

Hereinafter, a display apparatus and an image display service method for displaying an image based on location data will be described with reference to the accompanying drawings.

display device

2 is a perspective view of a display device according to an embodiment of the present invention. 3 is a bottom view of the display device shown in FIG. 2 according to an embodiment of the present invention.

2 and 3 , the display device 100 of the present invention includes a display panel 110 , a case 102 , a light shield 104 , and a driving circuit unit (shown in FIG. 5 ). A detailed description of the configuration and function of the driving circuit unit will be described later with reference to FIGS. 5 to 7 .

When the display apparatus 100 of the present invention is viewed from the front, the screen of the display panel 110 is disposed. In the display device 100 of the present invention, a liquid crystal panel or an organic light emitting panel may be applied to the display panel 110 , and in the following description, a liquid crystal panel applied as the display panel 110 will be described as an example.

The display panel 110 includes a TFT array substrate, a color filter array substrate, and a liquid crystal layer disposed between the two substrates. A plurality of subpixels are arranged in a matrix form on the TFT array substrate, and each of the plurality of subpixels is defined by data lines and gate lines crossing each other. A thin film transistor (TFT) and a storage capacitor Cst are disposed in each region where the data lines and the gate lines cross each other. In addition, a pixel electrode and a common electrode are disposed in each pixel of the TFT array substrate. The pixel electrode and the common electrode may be formed of a transparent conductive material such as indium tin oxide (ITO). Red, green, and blue color filters for displaying a full color image are formed on the rear or upper surface of the color filter array substrate. A black matrix for discriminating pixels is formed between these color filters.

The display panel 110 is manufactured so that the ratio of the vertical length to the horizontal length is 1:5 to 1:20 so that the display panel 110 can be easily recognized by the driver's view of the rear vehicle. However, the present invention is not limited thereto, and the ratio of the vertical length to the horizontal length of the display panel 110 may vary according to the size of the vehicle in which the display apparatus 100 is disposed. In addition, the ratio of the vertical length to the horizontal length of the display panel 110 may vary according to displayed characters and images. That is, the ratio of the size to the length of the display panel 110 may be variously changed according to the shape of the image to be displayed.

The case 102 is disposed to surround the display panel 110 and the driving circuit unit. A plurality of control buttons 103 for setting the display function are disposed on the upper surface of the case 102, and a power port 106 and a plurality of wired communication ports 108 are disposed on the bottom surface of the case 102, have.

4 is a view illustrating that a display device according to an embodiment of the present invention is disposed at the rear of a vehicle.

2 and 4 , the display apparatus 100 of the present invention enables a driver of a vehicle to view an image linked to the current location at a current location based on location data. To this end, the display device 100 is disposed at the rear of the vehicle.

The display apparatus 100 of the present invention may further include a light shield 104 for increasing the visibility of an image by blocking external light. Here, the light shield 104 is disposed to surround the screen of the display panel 110 .

The bottom surface of the light shield 104 is flat, and the side is inclined. At this time, the side surface of the light shield 104 is inclined to correspond to the inclination of the rear window of the vehicle. Since the inclination of the rear window may vary depending on the type of vehicle, the inclination of the side of the light shield 104 may be set according to each vehicle.

2 illustrates an example in which the light shield 104 is disposed to surround three surfaces of the display panel 110 . However, the present invention is not limited thereto, and the light shield 104 may be disposed to surround one surface, two surfaces, or four surfaces of the display panel 110 .

The display device 100 may be disposed in a form attached to the rear windshield of the vehicle using an adsorber. As another example, the display apparatus 100 may be arranged to be fixed to the rear floor of the vehicle using a double-sided adhesive tape.

5 is a diagram illustrating a configuration of a display device according to an embodiment of the present invention. 6 is a diagram illustrating a method of displaying an image to a rear vehicle.

5 and 6 , the display apparatus 100 and the image display service method of the present invention display an image linked to a specific position based on position data. Here, the specific location may be the current location of the display apparatus 100 . As another example, the specific location may be a location adjacent to the current location of the display apparatus 100 .

The display apparatus 100 of the present invention includes a gate driver 120 , a data driver 130 , a timing controller 140 , and a backlight to display an image linked to a specific position based on position data on the display panel 110 . It includes a unit 150 , an LED driver 155 , a wired/wireless communication unit 160 , a built-in memory 170 , a position detection sensor 180 and a rear sensor 190 .

Each of the gate driver 120 , the data driver 130 , the timing controller 140 , the LED driver 155 , and the wired/wireless communication unit 160 is manufactured as a separate integrated circuit chip (IC chip), or all It can be implemented as an integrated circuit chip of Meanwhile, the gate driver may be integrated on the TFT array substrate (first substrate) of the display panel 110 by an Amorphous Silicon Gate (ASG) method or a Gate In Panel (GIP) method.

The timing controller 140 controls driving of the gate driver 120 , the data driver 130 , and the LED driver 155 based on the rear sensing data RSD supplied to the rear sensor 190 . Specifically, when the display device 100 is disposed at the rear of the information display vehicle A, and the rear vehicle B is located in proximity or a certain distance within a certain transaction of the information display vehicle A (2M~ 5M interval) to display the image linked to the location data.

A plurality of image data linked to location data is stored in the built-in memory 170 . Here, when the information display vehicle A enters or is located in a specific area (eg, a zone where the customer wants to display an announcement), the image that the customer (image display service applicant) wants to display in the specific area Data can be defined as image data linked to location data.

A contract for the image display service is signed between the subject providing the display device and the image display service of the present invention and the customer, and image data that the customer wants to display in a specific area according to the contract is stored in the built-in memory 170 has been In this case, image data pre-stored in the internal memory 170 may be deleted, changed, added, and displayed on hold according to the contract.

The wired/wireless communication unit 160 stores the second image data DATA2 input through the wired communication port 108 in the built-in memory 170 . In addition, the wired/wireless communication unit 160 stores the second image data DATA2 input through the wireless interface in the built-in memory 170 . Here, the second image data DATA2 is image data newly registered by the contract or image data (change or addition of image data) that replaces image data previously stored in the internal memory 170 .

The position detection sensor 180 is built in the display apparatus 100 and generates position detection data PSD of a place where the display apparatus 100 is located at the current time. Then, the position detection data PSD is supplied to the timing controller 140 . Here, a global positioning system (GPS) may be applied to the location sensor 180 .

However, the present invention is not limited thereto, and the position detection sensor 180 is embedded in the driver's smart communication device of the information display vehicle A, and after generating the position detection data PSD in the driver's smart communication device, the user / The detection data PSD may be transmitted to the wireless communication unit 160 . In this case, the wired/wireless communication unit 160 transmits the input position detection data PSD to the timing controller 140 . Here, the mirroring technology may be applied to enable communication between the display apparatus 100 and the driver's smart device.

The rear sensor 190 is built in the display apparatus 100 , measures the distance between the display apparatus 100 and the rear vehicle B, and generates rear detection data RSD as a result. Then, the generated rear sensing data RSD is supplied to the timing controller 140 .

However, the present invention is not limited thereto, and the rear sensor 190 is disposed in the information display vehicle A, and after generating the rear detection data RSD from the rear sensor of the information display vehicle A, the wired/wireless communication unit ( 160) may transmit the rear sensing data RSD. In this case, the wired/wireless communication unit 160 transmits the input rear sensing data RSD to the timing controller 140 .

Again, referring to FIG. 5 , the timing controller 140 generates a gate control signal (GCS) for controlling the gate driver 120 using the input timing signal TS to thereby generate the gate driver 120 . ) is supplied to The gate control signal GCS may include a gate start pulse (GSP), a gate shift clock (GSC), and a gate output enable (GOE).

In addition, the timing controller 140 generates a data control signal (DCS) for controlling the data driver 130 using the timing signal TS and supplies it to the data driver 130 . The data control signal (DCS) is a source start pulse (SSP: Source Start Pulse), a source sampling clock (SSC: Source Sampling Clock), a source output enable (SOE: Source Output Enable) and a polarity control signal (POL: Polarity), etc. may include

In addition, the timing controller 140 is configured to perform a first link to the position data PSD among a plurality of image data stored in the internal memory 170 based on the position detection data PSD input from the position detection sensor 180 . The image data DATA1 is detected. In addition, the timing controller 140 loads the first image data DATA1 linked to the position data PSD from the internal memory 170 , and uses the timing signal TS to load the first image data DATA1 . is converted into a frame-by-frame RGB image signal and supplied to the data driver 130 . In this case, the timing signal TS includes a vertical synchronization signal V-sync, a horizontal synchronization signal H-sync, and a clock signal CLK.

Also, the timing controller 140 controls driving of the LED driver 155 based on the first image data DATA1 . The backlight unit 150 includes a plurality of LEDs, a light guide plate (or a diffusion plate), and a plurality of optical sheets. The LED driver 155 controls the light emission of a plurality of LEDs to adjust the luminance of the light supplied to the display panel 110 .

The gate driver 120 generates a gate driving signal for driving the TFTs formed in each of the plurality of pixels based on the gate control signal GCS input from the timing controller 140 . The gate driver 120 sequentially supplies a gate driving signal to a plurality of gate lines formed in the liquid crystal panel during the display period. The TFT formed in each pixel is turned on by the gate driving signal.

The data driver 130 converts digital RGB image data input from the timing controller 140 into an analog image signal, that is, an RGB data voltage. Then, the data voltage is supplied to the plurality of data lines when the TFT of each pixel is turned on based on the data control signal DCS from the timing controller 140 . When the data voltage is supplied to the pixel electrode, the common voltage Vcom is supplied to the common electrode to display an image.

In the above description, it has been described that the first image data linked to the location data among the plurality of image data stored in the built-in memory 170 is displayed on the display panel 110 . However, the present invention is not limited thereto, and image data stored in an external memory (USB memory) may be selectively displayed based on the location data. In this case, the external memory is connected to the wired communication port 108 , and the timing controller 140 detects and loads the first image data linked to the location data from among a plurality of image data stored in the external memory, and displays it on the display panel 110 . You can also display images.

As another example, the second image data input to the wired/wireless communication unit 160 may be transmitted to the timing controller 140 to display the image on the display panel 110 .

It is possible to actively reflect image data that is newly registered, the content of registered image data is changed, or the contract has been canceled. To this end, image data stored in the internal memory 170 of the display apparatus 100 may be periodically compared with image data stored in the main server to be synchronized.

Video display service method

6 is a diagram illustrating a method of displaying an image to a rear vehicle. 7 is a diagram illustrating a method of displaying an image based on location data.

6 and 7 , the image display service method of the present invention provides an image linked to a specific area to the driver of the rear vehicle B based on the location data of the display device 100 or of the information display vehicle A to display

When the customer 200 sets a specific area to display an image, and the information display vehicle A enters or is located in the specific area, the display apparatus 100 displays the image.

To this end, the position detection sensor 180 is built in the display device 100, the GPS chip is disposed in the information display vehicle (A), or the GPS chip is disposed in the smart communication device of the driver of the information display vehicle (A). can Here, the image includes advertisements, traffic information, and other public information. In addition to displaying other advertisements at the request of the customer 200 , traffic information of the current location of the information display vehicle A may be displayed. In addition to advertisements, public information linked to a specific area may be displayed.

When an advertisement is displayed while the information display vehicle A and the rear vehicle B are moving, it may interfere with safety. Accordingly, the advertisement can be displayed only when the information display vehicle A and the rear vehicle B are stopped or moving at a speed below a certain speed (eg, 5Km/H) or below.

In addition, in order to increase the visibility of the image displayed on the display device 100, the image is displayed only when the interval between the information display vehicle A and the rear vehicle B is a predetermined distance (2M to 5M). To this end, the rear sensor 190 may be disposed on the information display vehicle A, or the rear sensor 190 may be disposed on the display apparatus 100 .

For example, if the customer 200 wants to display an image (advertisement) specialized in a specific area, when the information display vehicle A enters or is located in a specific area, based on the location data, an image linked to the specific area is displayed. can be displayed In this case, from among the image data stored in the internal memory 170 of the display apparatus 100 , first image data linked to the specific region may be detected, and the detected first image data may be displayed.

Through this, an advertisement image may be displayed to the driver of the rear vehicle B in an advertisement zone set based on the location data of the information display vehicle A on which the display apparatus 100 is disposed. An advertisement target can be set based on a specific location, so that the advertisement effect can be increased.

Here, the customer 200 can set the size of a specific area, and freely set the horizontal (X) and vertical (Y) ranges on a two-dimensional map to designate a specific area to display the image. . In this case, the cost according to the image display service may be differentially applied in proportion to the area of a specific region where the image is to be displayed.

Furthermore, when the customer 200 designates a specific area to display an image, the cost according to the image display service may be differentially applied according to the location of the specific area on a two-dimensional map.

For example, a first service cost is set when a specific area in which an image is to be displayed in the outskirts of a city is designated, and a second service cost is set when a specific area in which an image is to be displayed in the center of the city is designated. can In this case, the second service cost may be set to be higher than the first service cost. In this way, the cost according to the image display service may be differentially applied.

In the above-described embodiments, the image displayed on the display device 100 may be displayed only once while the information display vehicle A is located in a set specific area (advertising zone), or may be displayed repeatedly a predetermined number of times. .

When the information display vehicle A enters or is located in a set specific area (advertising zone), image data (advertisement content) linked to the location data is searched, and image data (advertisement content) is displayed on the display panel ( 110) can be indicated. Through this, it is possible to display an optimal advertisement specialized for a specific area (advertisement zone). In addition, it is possible to actively respond to new, changed, and deleted image data (advertisement content), thereby increasing the advertisement exposure effect according to the request of the advertiser.

The display apparatus 100 of the present invention may display an image (advertisement) specialized for a specific area (advertisement zone) by further using not only the location data of the information display vehicle A but also time data. In all the above-described embodiments, not only location data but also time data may be further used as a reference for displaying image data (advertisement content). Here, the time data may be generated by the timing controller 140 or the position detection sensor 180 .

For example, the customer 200 may set a specific area (advertisement zone) in which advertisements are to be displayed, as well as a specific time. In this case, when the information display vehicle A enters or is located in a specific area (advertisement zone) set at a set time, an image (advertisement) may be displayed. Here, for the time setting, a specific time zone may be selected among 24 hours a day, or a specific day of the week may be selected. In addition, you can select a specific date in a month, or select a specific time in a year.

Since the effect of advertisements may vary depending on the location as well as the time of day, if the video (advertisement) is displayed by additionally using not only the location data but also the time data according to the customer (advertiser) request, the advertisement effect can be further enhanced. .

The display apparatus for displaying an image based on location data according to an embodiment of the present invention may expose a specific advertisement to a driver of a rear vehicle at a specific location based on the location data.

In addition, an advertisement service can be provided by interworking with smart communication devices based on the Internet of Things.

In addition, it is possible to provide an advertisement service by displaying advertisement contents stored in a memory and a USB memory arranged in the display module in real time.

In addition, it is possible to provide an advertisement service based on communication between the driver's smart device and the display module (mirroring technology applied).

In addition, it is possible to provide an advertisement service optimized for the current location based on location data (GPS) of the vehicle in which the display module is installed.

In addition, an advertisement service optimized for a current location may be provided based on location data (GPS) of the display module.

In addition, an advertisement service may be provided when a rear vehicle approaches by using a rear sensor of the vehicle.

In addition, an advertisement service may be provided when a rear vehicle approaches by using a rear sensor installed in the display module.

In addition, it is possible to provide an advertisement service optimized for the current location and time of the vehicle based on the location data and time data of the vehicle.

Those skilled in the art to which the present invention pertains will understand that the above-described present invention may be embodied in other specific forms without changing the technical spirit or essential characteristics thereof. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

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 as being included in the scope of the present invention. do.

A: Information display vehicle
B: rear vehicle
100: display device
102: case
104: light shield
106: power pod
108: wired communication port
110: display panel
120: gate driver
130: data driver
140: timing controller
150: backlight unit
155: LED driver
160: wired / wireless communication unit
170: internal memory
180: position detection sensor
190: rear sensor
200: customer (video service requester)

Claims (13)

In the display device disposed at the rear of the vehicle to display an image,
a position detection sensor that generates position data of the current time;
a rear sensor for generating rear detection data by measuring a distance from a rear vehicle;
a memory in which a plurality of image data linked with location data of a specific area is stored;
a control unit configured to detect first image data linked to the position data of the current view from among the plurality of image data; and
a display panel displaying the first image data;
a gate driver generating a gate driving signal based on the gate control signal input from the control unit and supplying it to the display panel; and
a data driver for generating a data voltage based on the RGB image data input from the control unit and supplying it to the display panel;
The control unit is
detecting the first image data linked to the position data from among the plurality of image data stored in the memory based on the position data input from the position detection sensor;
loading the first image data from the memory;
When the vehicle and the rear vehicle are stopped or moving at 5 km/h or less using the position sensor and the rear sensor, the gate control signal corresponding to the first image data and the RGB image data are transmitted to the gate driver and a display device for controlling the display of the first image data to be displayed on the display panel by supplying the data to the data driver. According to claim 1,
The display apparatus further comprising a wired/wireless communication unit for storing second image data input through wired or wireless communication in the memory. 3. The method of claim 2,
A display device that newly registers, changes, and deletes image data stored in the memory according to new registration, change, and deletion of a specific region interlocked with image data. According to claim 1,
A display apparatus for detecting and displaying first image data linked to the location data and the time data by further using the time data of the current time point. According to claim 1,
A display device configured to display the first image data when the rear vehicle is located at a predetermined distance based on the rear detection data. According to claim 1,
A display device for displaying first image data linked to the location data while the vehicle enters or locates a specific area. According to claim 1,
The display device further comprising a light shield disposed to surround the display panel. 8. The method of claim 7,
A bottom surface of the light shield is flat, and a side surface of the display device is inclined. 9. The method of claim 8,
A display device in which a side surface of the light shield is inclined to correspond to an inclination of a rear window of the vehicle. A display device is disposed at the rear of a vehicle, and a method for displaying an image based on location data of the vehicle or the display device, the method comprising:
When the vehicle or the display device enters or is located in a specific area, detecting first image data linked to the specific area from among a plurality of image data based on the location data,
An image display service method for displaying the first image data on the display device when the vehicle and the rear vehicle are stopped or moving at 5Km/H or less. 11. The method of claim 10,
An image display service method for differentially applying a cost for image display according to the size of the specific area linked with image data. 11. The method of claim 10,
An image display service method for differentially applying a cost for image display according to the location of the specific area linked with image data. 11. The method of claim 10,
The first image data linked to the specific region includes an advertisement, traffic information, and public information.

Images