KR102201807B1 - Device for display the messages in rear of vehicles and driving method thereof the same - Google Patents

Abstract

According to one embodiment of the present invention, a device for displaying a message on a rear side of a vehicle comprises: a message input terminal inputting at least one message among an emoticon, a test, a sign, an image, a symbol, and a video on a rear side of a vehicle; and a display unit receiving data from and transmitting the data to the input terminal and an ODB terminal for a vehicle through a controller area network (CAN) communication method and displaying the message on the rear side of the vehicle corresponding to vehicle driving information transmitted from the OBD terminal for a vehicle.

Description

Vehicle rear message display device and its operation method {DEVICE FOR DISPLAY THE MESSAGES IN REAR OF VEHICLES AND DRIVING METHOD THEREOF THE SAME}

The present invention relates to a vehicle rear message display device and a method of operating the same.

In general, when a driver suddenly interrupts or stops while driving, the driver briefly presses the emergency switch or raises his hand with a hand signal to indicate that he is sorry to the following driver. However, such a driver's indication of intention is not only incomplete, and sometimes misunderstandings are likely to arise, so there is a need for a rear message display device capable of systematically supporting the driver's indication of intention.

The vehicle rear message display device for displaying the communication of the driver is a rear message for a vehicle that can display or cancel the display of the letters previously entered by the driver or car manufacturer according to the driving situation of the vehicle. Development of delivery devices is underway.

However, since such a rear message delivery device for a vehicle displays a pre-written message, there is a limitation in that a driver or a passenger cannot sufficiently display a message to be transmitted to the rear. In addition, even in an emergency or unexpected situation, there is a hassle of searching permission and selecting a message suitable for the current situation among pre-written messages.

Unexamined Patent Publication No. 10-2011-0076000

An object to be solved by the present invention is to provide a vehicle rear message display device and an operation method thereof capable of solving the conventional problem.

The vehicle rear message display device according to an embodiment of the present invention for solving the above problems receives at least one of an emoticon, text, symbol, image, symbol, or video from the rear of the vehicle, or by modifying and editing the received information. An input terminal to provide; And transmitting and receiving data through CAN (Controller Area Network) communication method with the input terminal and the vehicle OBD terminal, and automatically displays a vehicle rear message corresponding to the vehicle driving information transmitted from the vehicle OBD terminal, or a rear message designated by the input terminal. A display unit for displaying a; including, wherein the display unit comprises: a communication unit for communicating with the input terminal and the vehicle OBD terminal through a CAN communication method; A storage register for storing and registering the scripter library provided by the input terminal; An information processing unit that extracts and provides icons, emoticons, texts, symbols, images, symbols, and videos provided by the scripter library according to a situation rule (routine) designated by a user according to vehicle driving information provided by the vehicle OBD terminal; And a display unit for displaying information extracted from the information processing unit, wherein the display unit comprises: a first protective glass; A transparent LCD for displaying a rear message provided by the information processing unit in a first display direction; A second protective glass; PDLC for adjusting the transmittance of light according to the control signal of the information processing unit; And a light source panel positioned on the rear surface of the PDLC and provided with an LED bar serving as a light source at an edge line, and emitting light flowing from the LED bar, wherein the light source panel is manufactured in a sheet or panel form. do.

In one embodiment, the input terminal includes an input unit equipped with a touch screen; A communication unit for receiving the emoticon, text, symbol, image, symbol, and video from a user's terminal or an external server; An editing unit that provides an editing GUI for editing the emoticon, text, symbol, image, symbol, and video; Any one or more of a display pattern or display priority in which the extracted information is displayed on the display unit after extracting the icon, emoticon, text, symbol, image, symbol, or video corresponding to or matching the user's input information from the storage unit After setting based on the input information of, the setting unit provides the setting information to the display unit; And a control unit configured to check vehicle driving information from the communication unit and deactivate an operation of the editing GUI when it is determined that the vehicle driving operation is performed, and the communication unit performs CAN (Controller Area Network) communication with the vehicle terminal. It is characterized.

In one embodiment, the display unit sets an icon, emoticon, text, symbol, image, symbol, and video provided by a scripter library registered inside according to the vehicle driving information provided by the vehicle OBD terminal. ), and the scripter library is characterized by including a table index for managing “header”, “name/attribute/section”, “symbol table” and “relocation entry”.

An operating method of a vehicle rear message display device according to an embodiment of the present invention for solving the above problem includes the steps of displaying an OBD communication connection state (active or inactive) between a vehicle OBD terminal and a display unit; Checking a vehicle stop state based on vehicle driving information from the vehicle OBD terminal at an input unit, and activating and displaying an editing GUI when the vehicle is determined to be in a stopped state; If a user designates a rear message by editing and selecting a rear message to be displayed while the vehicle is running through the editing GUI, generating a scripter library listing the designated rear message in the setting unit of the input unit and transmitting it to the display unit; Checking whether the vehicle is driven by an input unit, and receiving selection (manual or automatic) information on a rear message designation method from a user; And when the user specifies manual selection, the display unit extracts and displays any one of icons, emoticons, text, symbols, images, symbols, and videos corresponding to user input information from the scripter library, and when the user specifies automatic selection , After receiving the vehicle driving information from the vehicle OBD terminal, the display unit checks whether the vehicle information set in the scripter library is received, and when the specified vehicle driving information is received, displays the rear message of the vehicle driving information for a preset time. , In other situations, including the step of displaying a specific rear message, wherein the display unit comprises: a communication unit for communicating with the input terminal and the vehicle OBD terminal through a CAN communication method; A storage register for storing and registering the scripter library provided by the input terminal; An information processing unit that extracts and provides icons, emoticons, texts, symbols, images, symbols, and videos provided by the scripter library according to a situation rule (routine) designated by a user according to vehicle driving information provided by the vehicle OBD terminal; And a display unit for displaying information extracted from the information processing unit, wherein the display unit comprises: a first protective glass; A transparent LCD for displaying a rear message provided by the information processing unit in a first display direction; A second protective glass; PDLC for controlling the transmittance of light according to the control signal of the information processing unit; And a light source panel positioned on the rear side of the PDLC and provided with an LED bar serving as a light source at an edge line, and emitting light flowing from the LED bar, wherein the light source panel is manufactured in a sheet or panel form. do.

Therefore, by using the vehicle rear message display device according to an embodiment of the present invention, the user can freely input the content to be expressed in the rear of the vehicle, and the user can perform simple manipulation of the content to be expressed in the rear of the vehicle. It has the advantage of being able to change it in real time.

1 is a block diagram showing a vehicle rear message display apparatus according to an embodiment of the present invention.
2 is an exemplary view showing a display unit provided on a rear window of a vehicle.
3 is an exemplary diagram of a rear message displayed on the display unit illustrated in FIG. 1.
4 and 5 are exemplary diagrams of an editing GUI supported by the editing unit shown in FIG. 1.
6 is a diagram illustrating another form of the display unit illustrated in FIG. 1.
7 is a diagram briefly explaining the operation principle of the PDLC layer shown in FIG. 6.
8 is an exemplary view showing a cross-sectional view of the light source panel illustrated in FIG. 6.
9 is a flowchart illustrating a method of operating a message display device for a rear of a vehicle according to an embodiment of the present invention.
10 is a diagram illustrating an exemplary computing environment in which one or more embodiments disclosed herein may be implemented.

Hereinafter, exemplary embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, but identical or similar elements are denoted by the same reference numerals regardless of reference numerals, and redundant descriptions thereof will be omitted. The suffixes "module" and "unit" for components used in the following description are given or used interchangeably in consideration of only the ease of preparation of the specification, and do not have meanings or roles that are distinguished from each other by themselves. In addition, in describing the embodiments disclosed in the present specification, when it is determined that a detailed description of related known technologies may obscure the subject matter of the embodiments disclosed in the present specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are for easy understanding of the embodiments disclosed in the present specification, and the technical idea disclosed in the present specification is not limited by the accompanying drawings, and all modifications included in the spirit and scope of the present invention It should be understood to include equivalents or substitutes.

Terms including ordinal numbers, such as first and second, may be used to describe various elements, but the elements are not limited by the terms. These terms are used only for the purpose of distinguishing one component from another component. When a component is referred to as being "connected" or "connected" to another component, it is understood that it may be directly connected or connected to the other component, but other components may exist in the middle. Should be. On the other hand, a component is "directly connected" or "directly connected" to another component.

When it is stated that there is no other component in the middle, it should be understood that there is no other component. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as "comprises" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

Hereinafter, a vehicle rear message display apparatus and a method of operating the same according to an embodiment of the present invention will be described in more detail based on the accompanying drawings.

The present invention displays a vehicle etiquette message according to vehicle driving information on a display installed at the rear of the vehicle using a user terminal such as a smart phone held by a vehicle driver and an on-board diagnostics (OBD) terminal for a vehicle built into the vehicle. , It is an invention to indirectly indicate to the driver of the vehicle in the rear, sorry for the inexperience of driving, thanks for concessions, and attention to driving.

1 is a block diagram showing a vehicle rear message display device according to an embodiment of the present invention, FIG. 2 is an exemplary view showing a display unit provided on a rear window of a vehicle, and FIG. 3 is a display unit shown in FIG. Is an exemplary diagram of a rear message, and FIGS. 4 and 5 are exemplary diagrams of an editing GUI supported by the editing unit illustrated in FIG. 1, and FIG. 6 is a diagram illustrating another form of the display unit illustrated in FIG. 1, 7 is a diagram briefly explaining the operation principle of the PDLC layer shown in FIG. 6, and FIG. 8 is an exemplary view showing a cross-sectional view of the light source panel shown in FIG. 6.

First, as shown in FIG. 1, the vehicle rear message display apparatus 100 according to an embodiment of the present invention may include an input terminal 200 and a display unit 300.

The input terminal 200 may be a terminal for inputting (providing) a vehicle rear message including at least one of an icon, an emoticon, a text, a sign, an image, a symbol, and a video.

The input terminal 200 may include an input unit 210, a communication unit 220, a storage unit 230, an editing unit 240, a setting unit 250, and a control unit 260.

The input unit 210 may be provided with icons, emoticons, text, symbols, images, symbols, and videos provided by the external server by accessing the external server through a network, or information stored in the external terminal through pairing with the external terminal. (Things icon, emoticon, text, video) can be received and entered.

The communication unit 210 may include a first communication interface for wireless communication with an external terminal and/or an external server. Examples of the communication method of the first communication interface include Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and adjacent magnetic field communication ( Near Field Communication: NFC), Ultrasonic Communication (Ultra Sound Communication: USC), Visible Light Communication (VLC), Wi-Fi, Wi-Fi Direct (Wi-Fi Direct) may be any one of .

Or GSM (Global System for Mobile communication), CDMA (Code Division Multi Access), CDMA2000 (Code Division Multi Access 2000), EV-DO (Enhanced Voice-Data Optimized or Enhanced Voice-Data Only), WCDMA (Wideband CDMA), High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE), Long Term Evolution-Advanced (LTE-A, etc.) It transmits and receives wireless signals to and from the terminal.

The external terminal is a smart phone, a portable terminal, a mobile terminal, a foldable terminal, a personal digital assistant (PDA), and a portable multimedia player (PMP). Terminals, Telematics Terminals, Navigation Terminals, Personal Computers, Notebook Computers, Slate PCs, Tablet PCs, Ultrabooks, Wearable Devices, For example, among watch-type terminals (Smartwatch), glass-type terminals (Smart Glass), HMD (Head Mounted Display), etc.), Wibro terminals, IPTV (Internet Protocol Television) terminals, and flexible terminals It can be either.

In addition, the communication unit 220 may include a second communication interface for CAN communication with the display unit 300.

The storage unit 230 may be a medium for storing icons, emoticons, texts, symbols, images, symbols, and videos input by the input unit 210. The storage unit 230 is a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (eg, SD or XD memory, etc.) , Magnetic memory, magnetic disk, optical disk, RAM (Random Access Memory: RAM), SRAM (Static Random Access Memory), ROM (Read-Only Memory: ROM), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory) may include at least one storage medium.

In addition, the storage unit 230 stores information edited through the editing GUI of the editing unit (eg, at least one of icons, emoticons, texts, symbols, images, symbols, and moving pictures). In this case, the edited information includes the required extension name input by the user.

Here, the extension name may be an anniversary, an advertisement, an emergency light, a right signal, a left signal, an emergency stop, etc., but is not limited thereto.

Next, the editing unit 240 provides an editing GUI for editing and generating at least one of icons, emoticons, text, symbols, images, symbols, and videos stored in the storage unit 230, and the driver is provided with an external Icons, emoticons, texts, symbols, images, symbols, and videos provided in can be processed in the style you want.

Next, the setting unit 250 extracts an icon, emoticon, text, symbol, image, symbol, or video corresponding to or matching the user's input information from the storage unit, and then displays the extracted information on the display unit. , Display priority, etc. are set based on user input information, and then the setting information is provided to the display unit.

The setting unit 250 may provide a setting interface as an input unit, and the setting interface may include a display pattern item, a driving item, a fixed item, an emergency light item, etc., each item being at least two icons, an emoticon Provides a scripter library function to list and save text, symbols, images, symbols, and videos.

The scripter library includes table indexes for managing “header”, “name/attribute/section”, “symbol table” and “relocation entry”.

The scripter library set through the setting interface is provided to the display unit 300 to be described later, and the display unit 300 provides vehicle driving information (direction indicators, emergency lights, acceleration, brake operation information) provided by the vehicle ODB terminal. The corresponding back message is displayed through the scripter library set by the user.

Next, when receiving the vehicle driving information provided from the vehicle OBD terminal, the controller 260 performs a function of controlling to deactivate the editing GUI of the editing unit 240. The above-described deactivation function of the editing GUI of the controller is to prevent a vehicle accident due to the negligence of the driver due to the use of the editing GUI while the driver is driving the vehicle.

Next, the display unit 300 functions to regularly, irregularly or intermittently display icons, emoticons, texts, symbols, images, symbols, and videos provided from the input terminal based on vehicle driving information provided from the vehicle OBD terminal. .

The display unit 300 may include a communication unit 310, an information registration unit 320, an information processing unit 330, and a display unit 340.

The communication unit 310 communicates with an input terminal and a vehicle OBD terminal through a CAN communication method.

The storage registration unit 320 stores and registers the scripter library provided from the input terminal 200, and includes a flash memory type, a hard disk type, and a multimedia card micro type. , Card-type memory (e.g., SD or XD memory), magnetic memory, magnetic disk, optical disk, RAM (Random Access Memory: RAM), SRAM (Static Random Access Memory), ROM (Read-Only Memory: ROM) ), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory) may include at least one storage medium.

The information processing unit 330 includes icons, emoticons, texts, symbols, images, symbols, and videos provided from the scripter library registered in the information registration unit 320 according to vehicle driving information provided from the vehicle OBD terminal through the communication unit 310. Is extracted according to the situation rule (routine) designated by the user and provided to the display.

In addition, the information processing unit 330 controls a display operation of a display unit to be described later. The display operation is performed based on a display signal provided from an input terminal.

The display unit 340 displays information (icon, emoticon, text, sign, image, symbol, video) provided by the information processing unit.

The display unit 340 includes a liquid crystal display (LCD), a thin film transistor liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display. Display), a 3D display, an e-ink display, and a Light Emitting Diode (LED).

In addition, as another example, referring to FIGS. 6 to 8, the display unit 350 may be a transparent display.

The display unit 350 includes a first protective glass 351, a transparent LCD 352, a second protective glass 353, a PDLC 354, and a light source panel 355.

The transparent LCD 352 displays the rear message provided from the information processing unit 330 in the first display direction.

For reference, the transparent LCD 352 is a first enclosure such as a transparent Lexan-like enclosure, Advanced Link Photonics (ALP), Inc. (California, Irvine) a first polarizer retardation film equipped with a half-wave mirror having a mirror reluctance of 15 to 60 percent, such as a polarizer retardation film (retardation film), 0 to 30% A first diffuser or diffractive surface or element having a surface haze between them, a cold cathode fluorescent lamp (CCFL) or light emitting diode (LED) surrounding optical grade plastic 1 optical grade plastic, a second diffused surface having 0 to 60% surface haze, a first transflective film such as a transflective film manufactured by ALP, Inc., an LCD panel, a transflective film manufactured by ALP, Inc. A second optical grade plastic with the same second transflective film, a third diffusing surface with 0 to 60 percent surface haze, a cold cathode fluorescent lamp (CCFL) or light emitting diode (LED) surrounding the optical grade plastic, 4 Diffuse or diffractive surfaces, or devices with surface haze between 0 and 30 percent, half-wave mirrors with 15 to 60 percent mirror reluctance, such as polarizer retardation films manufactured by ALP, Inc. A second polarizer retardation film and a second enclosure such as a transparent Lexan-like enclosure may be configured. The above-described configurations are only examples, and other configurations may be substituted.

Next, the PDLC (Polymer Dispered Liquid Crystal) 354 may be a unit that adjusts the transmittance of light according to a display signal from the information processing unit 330.

For reference, in the PDLC, fine liquid crystal droplets are formed in the matrix of a polymer material, and the transmittance of light changes in response to a voltage applied from the outside.

The PDLC 354 is controlled to have a transmittance of 1 to 100% from a completely transparent state according to the strength of the voltage, and has a characteristic of becoming an opaque state of milk when the voltage is turned off.

The PDLC 354 may be manufactured in various forms if the transmittance of light may be adjusted based on a control signal of the information processing unit, and if an image beam projected on a transparent panel is scattered to form an image and is displayed forward. That is, the PDLC 354 may be manufactured in the form of a sheet or panel having a thin thickness, or may be formed in a form in which a sheet is attached to a transparent panel.

Next, the light source panel (LSP) 355 may be a unit that uniformly sprays light flowing from a light source located on the side to a desired area. The light source panel 355 is provided with an LED bar 356 serving as a light source on an edge line. Here, the light source panel 355 is manufactured integrally with an LED bar.

The light source panel 355 has a linear nanopattern, more preferably, a periodic linear nanopattern has a pitch of 1 nm to 500 nm, and the pitch of the pattern: the ratio of the height of the pattern is 1 : May be 10.

The light source panel 355 has a continuous linear pattern having a nano-level pitch, unlike a point-shaped pattern in the form of a discontinuous pattern, so that the light source panel 355 does not adopt a structure in which the density distribution of the pattern is different. Through this, it has the advantage of not only being able to induce efficient dispersion of light but also making it thinner. As mentioned earlier, "pitch" refers to the spacing between two adjacent linear patterns.

Meanwhile, the linear pattern may preferably be a linear pattern having a shape such as a straight line, a waveform, a curved shape, a linear shape in a circle, a linear shape in a triangle, a linear shape in a square shape, and a linear shape in a hexagonal shape. no.

Preferably, the linear shape of a circle, a linear shape of a triangle, a linear shape of a square, and a linear shape of a hexagon are arranged in a concentricity, that is, a shape having the same center, thereby forming a periodic linear pattern. In an embodiment of the present invention, a linear linear pattern is formed periodically to have a linear pattern in which the shapes of valleys and mountains are repeatedly formed.

The material of the light source panel 355 is poly methyl methacrylate (PMMA), polycarbonate (PC), acrylic resin, cyclo olefin polymer (COP), polyvinyl alcohol ( It may be one or more selected from the group consisting of polyvinyl alcohol, PVA), and polyvinyl chloride (PVC), but is not limited thereto.

9 is a flowchart illustrating a method of operating a rear message display device according to an embodiment of the present invention.

9, the operation method (S700) of the rear message display device according to an embodiment of the present invention is when the vehicle is started, the input unit 200 is the OBD communication connection state (active or inactive) between the vehicle OBD terminal and the display unit. ) Is displayed.

The input unit checks the stopped state of the vehicle based on vehicle driving information from the vehicle OBD terminal, and when it is determined that the vehicle is stopped, activates and displays the editing GUI.

When the user edits and selects the rear message to be displayed while the vehicle is running through the editing GUI and designates the rear message, the setting unit of the input unit creates a scripter library listing the designated rear message, and the generated scripter library is transmitted to the display unit.

Thereafter, the input unit checks whether the vehicle is driven, and receives selection (manual or automatic) information about the rear message designation method from the user.

When the user designates manual selection, the display unit extracts and displays any one of icons, emoticons, text, symbols, images, symbols, and videos corresponding to user input information from the scripter library.

When the user designates automatic selection, the display unit 300 receives vehicle driving information from the vehicle OBD terminal and then checks whether to receive vehicle information set in the scripter library, and if the specified vehicle driving information is received, During the set time, the rear message of the vehicle driving information is displayed, and in other situations, a specific rear message is displayed.

Therefore, by using the vehicle rear message display device according to an embodiment of the present invention, the user can freely input the content to be expressed in the rear of the vehicle, and the user can perform simple manipulation of the content to be expressed in the rear of the vehicle. It has the advantage of being able to change it in real time.

10 is a diagram illustrating an exemplary computing environment in which one or more embodiments disclosed herein may be implemented, an illustration of a system 1000 including a computing device 1100 configured to implement one or more embodiments described above. Shows. For example, the computing device 1100 may be a personal computer, a server computer, a handheld or laptop device, a mobile device (mobile phone, PDA, media player, etc.), a multiprocessor system, a consumer electronic device, a mini computer, a mainframe computer, Distributed computing environments including, but not limited to, any of the aforementioned systems or devices.

The computing device 1100 may include at least one processing unit 1110 and a memory 1120. Here, the processing unit 1110 may include, for example, a central processing unit (CPU), a graphic processing unit (GPU), a microprocessor, an application specific integrated circuit (ASIC), Field Programmable Gate Arrays (FPGA), and the like. Can have a plurality of cores. The memory 1120 may be a volatile memory (eg, RAM, etc.), a nonvolatile memory (eg, ROM, flash memory, etc.), or a combination thereof. Further, the computing device 1100 may include an additional storage 1130. Storage 1130 includes, but is not limited to, magnetic storage, optical storage, and the like. The storage 1130 may store computer-readable instructions for implementing one or more embodiments disclosed herein, and other computer-readable instructions for implementing an operating system, an application program, and the like. Computer-readable instructions stored in storage 1130 may be loaded into memory 1120 for execution by processing unit 1110. Further, the computing device 1100 may include an input device(s) 1140 and an output device(s) 1150.

Here, the input device(s) 1140 may include, for example, a keyboard, a mouse, a pen, a voice input device, a touch input device, an infrared camera, a video input device, or any other input device. Further, the output device(s) 1150 may include, for example, one or more displays, speakers, printers or any other output device or the like. Further, the computing device 1100 may use an input device or an output device provided in another computing device as the input device(s) 1140 or the output device(s) 1150.

In addition, computing device 1100 may include communication connection(s) 1160 that enable computing device 1100 to communicate with other devices (eg, computing device 1300 ).

Here, the communication connection(s) 1160 is a modem, a network interface card (NIC), an integrated network interface, a radio frequency transmitter/receiver, an infrared port, a USB connection, or other computing device for connecting the computing device 1100 to another computing device May contain interfaces. Further, the communication connection(s) 1160 may include a wired connection or a wireless connection. Each component of the computing device 1100 described above may be connected by various interconnections such as a bus (eg, peripheral component interconnection (PCI), USB, firmware (IEEE 1394), optical bus structure, etc.). And may be interconnected by network 1200. Terms such as "component" and "system" as used herein generally refer to a computer-related entity that is hardware, a combination of hardware and software, software, or software in execution.

For example, a component may be, but is not limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program and/or a computer. For example, both the controller and the application running on the controller may be components. One or more components may reside within a process and/or thread of execution, and a component may be localized on one computer or distributed between two or more computers.

In the above, the present invention has been described in detail with reference to the embodiments, but those of ordinary skill in the art to which the present invention pertains will be able to make various substitutions, additions, and modifications within the scope not departing from the technical idea described above. It is natural, and it should be understood that such modified embodiments also belong to the protection scope of the present invention defined by the appended claims below.

100: vehicle rear message display device
200: input terminal
210: input unit
220: communication department
230: storage unit
240: editorial department
250: setting unit
260: control unit
300: display unit
310: Ministry of Communications
320: information register
330: information processing unit
340, 350: display

Claims (4)

An input terminal for receiving at least one or more vehicle rear messages among emoticons, texts, symbols, images, symbols, and videos from the outside, or modifying and editing the received information; And
The input terminal and the vehicle OBD terminal transmits and receives data through a CAN (Controller Area Network) communication method, and automatically displays a vehicle rear message corresponding to the vehicle driving information transmitted from the vehicle OBD terminal, or a rear message designated by the input terminal. Includes; a display unit to display,
The display unit
A communication unit for communicating with the input terminal and the vehicle OBD terminal through a CAN communication method;
A storage register for storing and registering the scripter library provided by the input terminal;
An information processing unit that extracts and provides icons, emoticons, texts, symbols, images, symbols, and videos provided by the scripter library according to a situation rule (routine) designated by a user according to vehicle driving information provided by the vehicle OBD terminal; And
And a display unit for displaying information extracted from the information processing unit,
The display unit
A first protective glass;
A transparent LCD for displaying a rear message provided by the information processing unit in a first display direction;
A second protective glass;
PDLC for controlling the transmittance of light according to the control signal of the information processing unit; And
It is located on the rear side of the PDLC, and includes a light source panel provided with an LED bar as a light source at the edge line, and injecting light flowing from the LED bar,
The light source panel is a vehicle rear message display device manufactured in the form of a sheet or panel. The method of claim 1,
The message input terminal
An input unit equipped with a touch screen;
A communication unit for receiving the emoticon, text, symbol, image, symbol, and video from a user's terminal or an external server;
An editing unit that provides an editing GUI for editing the emoticon, text, symbol, image, symbol, and video;
Any one or more of a display pattern or display priority in which the extracted information is displayed on the display unit after extracting the icon, emoticon, text, symbol, image, symbol, or video corresponding to or matching the user's input information from the storage unit After setting based on the input information of, the setting unit provides the setting information to the display unit; And
And a control unit for checking vehicle driving information from the communication unit and deactivating an operation of the editing GUI when it is determined that the vehicle driving operation is time,
The vehicle rear message display device, wherein the communication unit performs CAN (Controller Area Network) communication with the vehicle terminal. The method of claim 2,
The display unit
According to the vehicle driving information provided by the vehicle OBD terminal, icons, emoticons, texts, symbols, images, symbols, and videos provided by the scripter library registered inside are extracted and displayed according to the situation rules (routine) specified by the user,
The scripter library includes a table index for managing “header”, “name/attribute/section”, “symbol table” and “relocation entry”. Displaying an OBD communication connection state (active or inactive) between the vehicle OBD terminal and the display unit;
Checking a vehicle stop state based on vehicle driving information from the vehicle OBD terminal at an input unit, and activating and displaying an editing GUI when the vehicle is determined to be in a stopped state;
If a user designates a rear message by editing and selecting a rear message to be displayed while the vehicle is running through the editing GUI, generating a scripter library listing the designated rear message in the setting unit of the input unit and transmitting it to the display unit;
Checking whether the vehicle is driven by an input unit, and receiving selection (manual or automatic) information on a rear message designation method from a user; And
When the user designates manual selection, the display unit extracts and displays any one of icons, emoticons, text, symbols, images, symbols, and videos corresponding to user input information from the scripter library, and when the user designates automatic selection, After receiving the vehicle driving information from the vehicle OBD terminal, the display unit checks whether the vehicle information set in the scripter library is received, and when the specified vehicle driving information is received, displays a rear message of the vehicle driving information for a preset time, In other situations, it includes the step of displaying a specific rear message,
The display unit
A communication unit for communicating with the input terminal and the vehicle OBD terminal through a CAN communication method;
A storage register for storing and registering the scripter library provided by the input terminal;
An information processing unit that extracts and provides icons, emoticons, texts, symbols, images, symbols, and videos provided by the scripter library according to a situation rule (routine) designated by a user according to vehicle driving information provided by the vehicle OBD terminal; And
And a display unit for displaying information extracted from the information processing unit,
The display unit
A first protective glass;
A transparent LCD for displaying a rear message provided by the information processing unit in a first display direction;
A second protective glass;
PDLC for adjusting the transmittance of light according to the control signal of the information processing unit; And
It is located on the rear surface of the PDLC, and includes a light source panel provided with an LED bar as a light source at the edge line, and injecting light flowing from the LED bar,
The light source panel is a method of operating a message display device at the rear of a vehicle manufactured in the form of a sheet or panel.

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