KR102558343B1 - A transparent eletronic banner and method, server and computer program for providing visual information using it - Google Patents

Abstract

A visual information providing method using a transparent electronic banner according to various embodiments of the present invention for realizing the above object is disclosed. The method includes the steps of receiving environment sensing information from each of one or more transparent electronic banners, generating expression control information for controlling each of the one or more transparent electronic banners based on the environment sensing information, and transmitting the expression control information to each transparent electronic banner, and the expression control information may include an LED lighting control signal for controlling a lighting method of a plurality of LED pixels included in the transparent electronic banner.

Description

Transparent electronic banner and method of providing visual information using it, server and computer program

The present invention relates to a transparent electronic banner, and more specifically, to a transparent electronic banner that can improve the lifespan of a device even in an outdoor environment and can be naturally friendly with the surrounding environment without covering the surrounding scenery as transparency is secured.

Various banners made of cloth are installed on roads or in urban areas to advertise or publicize. In general, a banner is a fabric-type membrane on which various information such as propaganda and slogans are written so that an unspecified number of people can visually recognize it, and both ends are installed in a form supported through supports such as street lights or telephone poles.

In the case of cloth banners, additional banners must be manufactured to display other advertisements after being made once. That is, whenever the content of the advertisement is changed, a new banner must be re-manufactured, and a process of removing the existing banner and installing a new banner again is required, which may require manpower and cost. In addition, since the removed banners cannot be recycled and must be entirely discarded, resource efficiency may be low, and there is a problem of causing environmental pollution by waste.

In addition, such cloth-type banners are less readable at night, resulting in lower information transmission efficiency, and as they are installed outdoors, they are easily damaged by the natural environment and can damage the urban landscape.

In order to improve the above problems, a transparent electronic banner (or electronic display board) using a display has recently been provided. For example, Korean Patent Publication No. 10-2012-0109281 discloses an advertisement system that displays multimedia data or advertisement contents through an LED display board.

However, in the case of such an LED signboard, it is provided including a Printed Circuit Board (PCB) or Flexible Printed Circuit Board (FPCB) necessary for LED control, and as circuit boards such as PCB or FPCB limit the transparency of the signboard, the LED signboard may harm the surrounding landscape.

On the other hand, the printed circuit boards for controlling the LEDs are compressed on the side frame portion to make the LED display board transparent, but in this case, a failure of the board or parts due to moisture and temperature in a poor outdoor environment can significantly decrease the lifespan of the device and cause continuous maintenance costs.

Additionally, in the case of a conventional electronic banner, as power for driving a display is continuously consumed, significant power consumption costs may occur. Therefore, it naturally harmonizes with the surrounding environment regardless of the surrounding landscape, contributing to the improvement of the beautiful urban landscape, and at the same time, there is a demand for research and development for a transparent display that can reduce post-management costs by implementing a transparent substrate structure in a vacuum state free from contamination, corrosion, and failure of electronic components such as PCB and FPCB in a device installed outdoors, and lowering operating power consumption through self-generation and energy recycling, and transparent electronic banners using the same. On the other hand, traffic accidents caused by black ice formed on the road are not visible from the field of view, and the number of traffic accidents is increasing every year. Black ice and pedestrian accidents along national roads at night are more likely to occur at entrances and exits of tunnels, shadowed maternity troughs, bridges, and curved roads, so measures to prevent them are necessary.

Accordingly, it may be required to install a transparent electronic banner that provides information about black ice, information about pedestrian access, and information about the current driving speed of a vehicle in response to a section where accidents frequently occur.

The problem to be solved by the present invention has been devised in response to the above background art, and can improve the lifespan of the device even in an outdoor environment, and as transparency is secured, it is to provide a transparent electronic banner that can be friendly with the surrounding environment naturally without covering the surrounding scenery.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

A visual information providing method using a transparent electronic banner according to an embodiment of the present invention for solving the above problems is disclosed. The method includes the steps of receiving environment sensing information from each of one or more transparent electronic banners, generating expression control information for controlling each of the one or more transparent electronic banners based on the environment sensing information, and transmitting the expression control information to each transparent electronic banner, and the expression control information may include an LED lighting control signal for controlling a lighting method of a plurality of LED pixels included in the transparent electronic banner.

In an alternative embodiment, the transparent electronic banner may include a transparent display unit including a plurality of LED pixels, a power supply unit supplying electrical energy to the transparent display unit, a speed sensor module that obtains speed sensing information corresponding to the movement of a moving object, and one or more camera modules that obtain one or more image information related to the equipped area of the transparent electronic banner.

In an alternative embodiment, the transparent display unit includes a glass film, one or more light emitting modules provided inside the glass film and including at least one LED pixel, a transparent electrode connecting the light emitting modules, and a bonding material for fixing the light emitting module, and each of the one or more light emitting modules includes an individual controller, so that individual lighting control is possible.

In an alternative embodiment, the transparent display unit may further include a control board including one or more input terminals connectable to an external device, and may be provided to communicate with an external server through an MQTT protocol.

In an alternative embodiment, the power supply unit includes a solar cell that converts light energy into electrical energy, and the solar cell is realized through a dye-sensitized solar cell (DSSC), and thus has a certain level of transparency.

In an alternative embodiment, the method may include receiving external presentation information from one or more external servers and generating external information presentation control information based on the external presentation information.

In an alternative embodiment, the generating of the expression control information may further include generating speed expression control information based on the speed information of the moving object obtained through the speed sensor module and determining whether to express the speed expression control information.

In an alternative embodiment, the step of determining whether to display the speed expression control information includes identifying the speed limit information corresponding to the equipped position of the transparent electronic banner, transmitting the speed expression control information to the transparent electronic banner when the speed information exceeds the speed limit information, and not transmitting the speed expression control information to the transparent electronic banner when the speed information is less than or equal to the speed limit information, wherein the transparent electronic banner has priority over external information expression control information. It can be characterized by reflecting negatively and expressing it.

In an alternative embodiment, the step of generating the expression control information further includes generating attention expression control information based on the one or more image information and transmitting the attention expression control information to the transparent electronic banner, and the transparent electronic banner may be characterized in that the attention expression control information is reflected and expressed as a top priority.

In an alternative embodiment, generating the attention expression control information based on the one or more pieces of image information may include identifying one or more first objects related to the movement of the first area, identifying one or more second objects different from the first object, and generating the attention expression control information based on at least one of the movement, movement path, and identification number of the one or more second objects.

In an alternative embodiment, the transparent electronic banner further includes an illuminance sensor module for obtaining illuminance information, and the method may further include generating a brightness control signal related to the brightness of a plurality of LED pixels included in each transparent electronic banner based on the illuminance information obtained from each transparent electronic banner.

In an alternative embodiment, the method may include determining whether a moving object exists based on illuminance information received from the transparent electronic banner, and stopping transmission of the expression control information to the transparent electronic banner when it is determined that there is no moving object corresponding to the equipped area of the transparent electronic banner.

According to another embodiment of the present invention, a server for performing a visual information providing method using a transparent electronic banner is disclosed. The server includes a memory for storing one or more instructions and a processor for executing the one or more instructions stored in the memory, and the processor executes the one or more instructions, thereby utilizing the above-described transparent electronic banner. A visual information providing method can be performed.

According to another embodiment of the present invention, a computer program stored in a computer-readable recording medium is disclosed. The computer program may be combined with a computer, which is hardware, to perform a visual information providing method using a transparent electronic banner.

According to various embodiments, a transparent electronic banner providing visual information is disclosed. The transparent electronic banner includes a transparent display unit including a plurality of LED pixels, a power supply unit supplying electric energy to the transparent display unit, a speed sensor module obtaining speed sensing information corresponding to the movement of a moving object, and the transparent electronic banner. It may include one or more camera modules that obtain one or more image information related to the equipped area.

In an alternative embodiment, the transparent display unit may include a glass film, one or more light emitting modules provided inside the glass film and including at least one LED pixel, a transparent electrode connecting the light emitting module, and a bonding material for fixing the light emitting module.

In an alternative embodiment, as each of the one or more light emitting modules is provided with an individual controller, it may be characterized in that individual lighting control is possible.

In an alternative embodiment, each of the one or more light emitting modules may be implemented through at least one of a single module type including one LED pixel and a combination type module type including a plurality of LED pixels.

In an alternative embodiment, the combined module form may include at least one of a strip form and a wire mesh form.

In an alternative embodiment, the light emitting module may be provided in a film type.

In an alternative embodiment, the power supply unit includes a solar cell that converts light energy into electrical energy, and the solar cell is implemented through a dye-sensitized solar cell (DSSC), so it can be characterized by having transparency.

In an alternative embodiment, the transparent electronic banner may further include a control module for controlling the plurality of LED pixels based on information obtained through an illumination sensor module acquiring illumination information, the speed sensor module, the one or more camera modules, and the illumination sensor module, and the control module may generate a brightness control signal related to the brightness of the plurality of LED pixels based on the illumination information.

In an alternative embodiment, the transparent electronic banner may be characterized in that it is created through a method of forming the transparent display unit and the dye-sensitized solar cell respectively corresponding to the first and second surfaces of the glass film.

In an alternative embodiment, the method of forming each of the transparent display unit and the dye-sensitized solar cell corresponding to the first and second surfaces of the glass film may include providing an LED module and a DSSC module on each of the first and second surfaces, providing a protective film on a surface corresponding to the first surface, and TiO corresponding to the second surface.₂ Performing coating, the TiO₂sintering to form a photoelectrode, attaching a protector to the surface corresponding to the first surface after the photoelectrode is formed, adsorbing a dye to the surface of the photoelectrode, bonding a counter electrode to the photoelectrode, mounting one or more light emitting modules corresponding to the first surface after the bonding of the counter electrode is completed, and mounting the one or more light emitting modules, an electrolyte layer corresponding to the second surface It may include the step of performing sealing by injection.

In an alternative embodiment, the protective film may be provided to protect the surface of the transparent display unit and may be removed prior to formation of the photoelectrode.

Other specific details of the invention are included in the detailed description and drawings.

According to various embodiments of the present invention, as the transparency of the visual information display device is ensured, it can contribute to improving the urban landscape by being naturally friendly with the surrounding environment without covering the surrounding landscape.

In addition, since circuit boards such as PCBs and FPCBs are not provided, the possibility of failures is significantly reduced even in an outdoor environment, thereby improving device stability and minimizing glass management costs.

In addition, by minimizing energy consumption through an energy recycling structure that collects the electricity required for the LED to display information with the dye-sensitized solar cell on the back side where the LED light is projected and generates electricity again, it can help secure carbon emission rights for public facilities and solve climate problems through ESG management and energy saving.

In addition, by visually expressing and providing information that can be referred to the driving situation, such as information on black ice, information on pedestrian access, and current driving speed, in response to each section, safety accidents can be prevented in advance. It can provide the effect.

In addition, atmospheric environment information and biological indexes provided through transparent electronic banners in parks and trails can help users enjoy a comfortable smart city life.

Additionally, it is possible to contribute to life safety by detecting and displaying abnormal types (falls, accidents, crowds), etc., and by disseminating emergency situations to related organizations to prevent life safety accidents in advance and enable emergency measures.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

1 is an exemplary diagram schematically illustrating a system for implementing a visual information providing method using a transparent electronic banner related to an embodiment of the present invention.
2 is an exemplary view for comparing a conventional banner related to an embodiment of the present invention and a transparent electronic banner of the present invention.
3 is an exemplary view showing a transparent electronic banner related to an embodiment of the present invention by way of example.
4 shows an exemplary block diagram of a transparent electronic banner related to an embodiment of the present invention.
5 shows an exemplary cross-sectional view of a transparent electronic banner related to an embodiment of the present invention.
6 is an exemplary diagram for explaining that visual information can be expressed using a plurality of LED pixels related to an embodiment of the present invention.
7 is an exemplary diagram illustrating a transparent display unit related to an embodiment of the present invention.
8 is an exemplary view for explaining a general addressable LED related to an embodiment of the present invention.
9 is an exemplary diagram illustrating a current loop interface related to an embodiment of the present invention.
10 is an exemplary view of a transparent electronic banner related to an embodiment of the present invention viewed from the top.
11 is an exemplary view showing that a light emitting module related to an embodiment of the present invention can be implemented through various types.
12 is an exemplary diagram showing a power supply unit related to an embodiment of the present invention by way of example.
13 is an exemplary diagram for explaining a process of acquiring electrical energy through light related to an embodiment of the present invention.
14 is an exemplary view showing a transparent electronic banner related to an embodiment of the present invention.
15 is an exemplary view showing a transparent electronic banner related to another embodiment of the present invention.
16 is a hardware configuration diagram of a server performing a visual information providing method using a transparent electronic banner related to an embodiment of the present invention.
17 is a flowchart illustrating a visual information providing method using a transparent electronic banner related to an embodiment of the present invention by way of example.
18 is an exemplary diagram for explaining a method of controlling the display of a transparent electronic banner in response to detection of an abnormal situation related to an embodiment of the present invention.
19 is an exemplary diagram for explaining a method of controlling the display of a transparent electronic banner in response to detecting an abnormal situation related to an embodiment of the present invention.

Various embodiments are now described with reference to the drawings. In this specification, various descriptions are presented to provide an understanding of the present invention. However, it is apparent that these embodiments may be practiced without these specific details.

The terms “component,” “module,” “system,” and the like, as used herein, refer to a computer-related entity, hardware, firmware, software, a combination of software and hardware, or an execution of software. For example, a component may be, but is not limited to, a procedure, processor, object, thread of execution, program, and/or computer running on a processor. For example, both an application running on a computing device and a computing device may be components. One or more components may reside within a processor and/or thread of execution. A component can be localized within a single computer. A component may be distributed between two or more computers. Also, these components can execute from various computer readable media having various data structures stored thereon. Components may communicate via local and/or remote processes, e.g., according to a signal with one or more packets of data (e.g., data from one component interacting with another component in a local system, distributed system, and/or data transmitted via a signal to another system and over a network such as the Internet).

In addition, the term “or” is intended to mean an inclusive “or” rather than an exclusive “or”. That is, unless otherwise specified or clear from the context, “X employs A or B” is intended to mean one of the natural inclusive substitutions. That is, X uses A; X uses B; Or, if X uses both A and B, "X uses either A or B" may apply to either of these cases. Also, the term "and/or" as used herein should be understood to refer to and include all possible combinations of one or more of the listed related items.

Also, the terms "comprises" and/or "comprising" should be understood to mean that the features and/or components are present. However, it should be understood that the terms "comprises" and/or "comprising" do not exclude the presence or addition of one or more other features, elements, and/or groups thereof. Also, unless otherwise specified or where the context clearly indicates that a singular form is indicated, the singular in this specification and claims should generally be construed to mean "one or more".

Those of skill should further appreciate that the various illustrative logical blocks, components, modules, circuits, means, logics, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate the interchangeability of hardware and software, various illustrative components, blocks, configurations, means, logics, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented in hardware or as software depends on the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application. However, such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.

The description of the presented embodiments is provided to enable any person skilled in the art to use or practice the present invention. Various modifications to these embodiments will be apparent to those skilled in the art. The general principles defined herein may be applied to other embodiments without departing from the scope of the present invention. Thus, the present invention is not limited to the embodiments presented herein. The present invention is to be accorded the widest scope consistent with the principles and novel features set forth herein.

In this specification, a computer means any kind of hardware device including at least one processor, and may be understood as encompassing a software configuration operating in a corresponding hardware device according to an embodiment. For example, a computer may be understood as including a smartphone, a tablet PC, a desktop computer, a laptop computer, and user clients and applications running on each device, but is not limited thereto.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Although each step described in this specification is described as being performed by a computer, the subject of each step is not limited thereto, and at least a part of each step may be performed in different devices according to embodiments.

1 is an exemplary diagram schematically illustrating a system for implementing a visual information providing method using a transparent electronic banner related to an embodiment of the present invention.

As shown in FIG. 1, the system according to the embodiments of the present invention may include a transparent electronic banner 100, a server (hereinafter referred to as 'server 200') that performs a method of providing visual information using a transparent electronic banner, and an external server 300. Components shown in FIG. 1 are exemplary, and additional components may exist or some of the components shown in FIG. 1 may be omitted. The transparent electronic banner 100 according to the embodiments of the present invention, the server 200 and the external server may mutually transmit and receive data for the system according to the embodiments of the present invention through the network 400.

The network 400 according to embodiments of the present invention may use various wired communication systems such as Public Switched Telephone Network (PSTN), x Digital Subscriber Line (xDSL), Rate Adaptive DSL (RADSL), Multi Rate DSL (MDSL), Very High Speed DSL (VDSL), Universal Asymmetric DSL (UADSL), High Bit Rate DSL (HDSL), and Local Area Network (LAN).

In addition, the network 400 presented herein may use various wireless communication systems such as Code Division Multi Access (CDMA), Time Division Multi Access (TDMA), Frequency Division Multi Access (FDMA), Orthogonal Frequency Division Multi Access (OFDMA), Single Carrier-FDMA (SC-FDMA), and other systems.

The network 400 according to embodiments of the present invention may be configured regardless of its communication mode, such as wired and wireless, and may be configured with various communication networks such as a personal area network (PAN) and a wide area network (WAN). In addition, the network may be a known World Wide Web (WWW), or may use a wireless transmission technology used for short-range communication, such as Infrared Data Association (IrDA) or Bluetooth. The techniques described herein may be used in the networks mentioned above as well as other networks.

A system according to embodiments of the present invention may include a transparent electronic banner 100. The electronic banner is intended to improve efficiency degradation that occurs in the process of utilizing a conventional cloth-type banner, and may mean a banner that electronically expresses images or texts. The electronic banner may be for providing various visual information (eg, advertisement, promotion, convenience, or visual information related to safety accident prevention, etc.) to an unspecified number of people. Since such electronic banners do not need to be removed or reinstalled in the process of changing the displayed visual information, and there is no need to dispose of the removed banners, the consumption of manpower and costs for maintenance can be minimized, and environmental pollution can be prevented. In addition, electronic banners have the advantage of good information transmission efficiency as identification is easy even at night.

According to one embodiment of the present invention, as shown in FIG. 2, the transparent electronic banner 100 is connected to a specific height of the support 10 such as a street light or an electric pole so that a plurality of users can easily identify it. Can be provided. A plurality of such transparent electronic banners 100 may be provided and installed in each of various areas. The transparent electronic banner 100 can provide various visual information to users by turning on a plurality of LED pixels under the control of the server 200. Various visual information that can be provided through the transparent electronic banner 100 may include, for example, information about the current speed of the vehicle, information about the weather, route guidance information about nearby areas, emergency disaster information, or advertisement information. The specific description of the aforementioned visual information is only an example, and the present invention is not limited thereto.

In one embodiment, the transparent electronic banner 100 may acquire various environmental sensing information corresponding to the surrounding area of the transparent electronic banner at a relatively high position and transmit it to the server 200. Here, the environmental sensing information is various sensing information obtained in relation to the area in which the transparent electronic banner 100 is provided, and may include, for example, one or more image information related to the area provided, information on the moving speed of a specific object, and environmental information about wind strength or temperature, etc., but is not limited thereto. According to an embodiment, the server 200 may control visual information displayed through the transparent electronic banner 100 based on various environment sensing information received from the transparent electronic banner 100.

As a specific example, the transparent electronic banner 100 includes the speed sensor module 130, so that speed information can be obtained by measuring the moving speed of a specific object (eg, vehicle), and can be transmitted to the server 200. The server 200 may generate speed expression control information based on the received speed information and transmit it to the transparent electronic banner 100. Here, the speed expression control information may include a lighting control signal for lighting at least some of the plurality of LED pixels in order to visually express a number corresponding to the speed. The transparent electronic banner 100 can control the LED pixels based on the speed expression control information received from the server to express visual information related to speed.

As another example, the transparent electronic banner 100 includes a camera module 140 that obtains image information, and through the camera module 140, image information related to an area in which the transparent electronic banner 100 is provided can be obtained. The image information obtained through the camera module of the transparent electronic banner 100 is transmitted to the server 200, and the server 200 analyzes the image information to recognize the surrounding environment of the area where the transparent electronic banner 100 is provided and collect and analyze the information. In an embodiment, the server 200 may perform AI (Artificial Intelligence) vision recognition on real-time image information. The server 200 may detect that an abnormal situation has occurred in the surrounding area from real-time image information.

For example, as shown in FIG. 3, the server 200 recognizes road conditions according to temperature changes based on various environmental sensing information received from the transparent electronic banner 100, and generates black ice in which thin ice is formed on the road. Road state information indicating that a large number of people have gathered (or parking information in a nearby parking lot), or pedestrian detection information for approaching pedestrians along the national road, etc. can be generated. The specific description of the information that the above-described server 200 can determine and analyze is only an example, and the present invention is not limited thereto. In an embodiment, the server 200 may analyze environment sensing information received from the transparent electronic banner 100 in addition to the above analysis information to generate information about an abnormality type (fall, accident occurrence, etc.).

The server 200 analyzes various environmental sensing information obtained from the transparent electronic banner 100 to generate expression control information for controlling the display of the transparent electronic banner 100, and transmits it to the transparent electronic banner 100. Accordingly, the transparent electronic banner 100 controls the lighting of a plurality of LED pixels based on the expression control information received from the server 200 to express visual information.

That is, the transparent electronic banner 100 can collect information about the surrounding environment and transmit it to the server 200, and the server 200 analyzes the collected information to generate an expression control signal, and transmits it to the transparent electronic banner 100, so that visual information corresponding to the surrounding situation can be expressed through the transparent electronic banner 100. Accordingly, the user can recognize various surrounding situations (e.g., a pedestrian approaching the road currently being driven, a parking situation in a nearby parking lot, black ice or a fall on the road currently being driven) through visual information displayed on the transparent electronic banner 100. This is because information is displayed by analyzing blind spots, road conditions, or nearby conditions that are difficult for users to identify, thereby preventing safety accidents or enabling quick response to future situations.

In FIG. 1, the transparent electronic banner 100 and the server 200 are expressed separately as separate entities, but according to an embodiment of the present invention, the server 200 is included in the transparent electronic banner 100 in the form of a hardware device, and the real-time environment sensing information acquisition function and the expression control information generation function corresponding to the environment sensing information obtained in real time may be integrated and performed.

According to one embodiment, the transparent electronic banner 100 of the present invention may be characterized by having a certain level of transparency or more.

In the case of a general transparent electronic banner (or electronic billboard), a PCB or FPCB circuit board for controlling a plurality of LEDs may be included. In general, a circuit board related to a PCB and an FPCB is provided adjacent to an LED display to control the display of the display. For example, as the circuit boards are provided on the back of the display, transparency of the display may be limited. As a specific example, as shown in FIG. 2, looking at the conventional transparent electronic banner 100a supported by the support 10, since the circuit board is provided on the back of the display, it cannot have transparency. That is, the surrounding background is completely covered by the conventional transparent electronic banner 100a. When a plurality of such conventional transparent electronic banners 100a are provided in various locations (eg, roads, bridges, trails, bus shelters, etc.), the surrounding landscape is obscured by the substrates on the back side, which can act as an element that harms the urban landscape.

In addition, in the embodiment, when electronic products including circuit boards such as PCBs or FPCBs are used indoors, the stability or durability of the devices is guaranteed, but when installed outdoors, large temperature changes, rain, snow, wind, etc. Depending on the influence of various environmental factors, failure of the board or component may easily occur. For example, as moisture contaminates or corrodes PCB and FPCB circuit boards, it may cause device failure.

According to one embodiment of the present invention, as shown in FIG. 2, the transparent electronic banner 100 may be characterized in that it is provided to have a certain level of transparency so that the background of the back part of the device is transmitted and identified.

That is, the transparent electronic banner 100 can contribute to improving the beautiful urban landscape by naturally being friendly with the surrounding environment without covering the surrounding landscape. In other words, the present invention can provide an aesthetic transparent electronic banner that does not block the surrounding scenery. For example, it is possible to create a state-of-the-art city image suitable for a smart city by creating a mysterious yet luxurious feeling, as if lights are floating in the air.

In a specific embodiment, the transparent electronic banner 100 of the present invention can implement a transparent display by configuring a display without using a PCB and FPCB circuit board required for LED control.

Since the transparent electronic banner 100 does not include a PCB or FPCB circuit board that is vulnerable to temperature change and moisture, it has the advantage of ensuring improved stability of the device even in an outdoor environment and reducing maintenance costs.

Additionally, the transparent electronic banner 100 of the present invention converts solar energy into electrical energy during the daytime, and uses this to emit light sources (i.e., LEDs) to express visual information, and at night, the light emitted through street lights, car headlights or light sources is used to collect electricity and reuse it to form a virtuous cycle structure of energy. That is, since electric energy can be independently obtained and supplied based on light energy, power supply costs for displaying a display can be minimized. In other words, the transparent electronic banner 100 has the advantage of being able to save energy as it can collect electricity for 24 hours.

3 and 4, the transparent electronic banner 100 may include a transparent display unit 110, a power supply unit 120, a speed sensor module 130, a camera module 140, an illuminance sensor module 150 and a transceiver 160. The above components are exemplary, and the transparent electronic banner of the present invention is not limited to the above components. That is, additional components may be included or at least some of the above components may be omitted according to implementation aspects of the embodiments of the present invention.

According to one embodiment, the transparent electronic banner 100 may include a transparent display unit 110 and a power supply unit 120, as shown in FIG. The transparent display unit 110 and the power supply unit 120 may be related to an area where visual information is displayed.

In one embodiment, the transparent electronic banner 100 may be formed as one surface of the transparent display unit 110 and one surface of the power supply unit 120 are bonded. For example, the transparent display unit 110 and the power supply unit 120 may be integrated through a bonding process between glass layers. Also, for example, the transparent electronic banner 100 may be manufactured through a process in which the transparent display unit 110 is created on one side of the power supply unit 120.

The transparent electronic banner 100 may include a transparent display unit 110 including a plurality of pixels. The transparent display unit 110 may include a plurality of pixels and may display visual information by controlling lighting of the plurality of pixels.

For example, as shown in FIG. 6, the transparent display unit 110 may turn on at least some of the plurality of pixels to provide visual information by expressing the current time (e.g., 3:04) in a text form, or present the current weather (e.g., rain) in a picture form to provide visual information. The visual information included in FIG. 6 is only an example, and it will be apparent to those skilled in the art that various types of information (e.g., emergency information, forward accident information, advertisement information, weather information, local public information, etc.) than the display device of the present invention can be provided through various forms of visual expression. For example, the transparent display unit 110 may provide a dynamic visual expression, such as moving text in one direction or giving motion to an object through gradual lighting between a plurality of pixels. For another example, the transparent display unit 110 may express a more lively object or character by lighting each pixel through various colors.

According to one embodiment of the present invention, as shown in FIG. 7 , the transparent display unit 110 may include a glass layer 111, one or more light emitting modules 112, a transparent electrode 113, and a bonding material 114.

The transparent display unit 110 may include a glass layer 111 forming an outer surface of the transparent display unit 110 . In one embodiment, the glass film 111 forms the outer surface of the transparent display unit 110 and serves to protect electronic elements (eg, LED pixels and electrodes) provided therein. Since the transparent display unit 110 may be installed and provided outdoors, the glass film 111 is preferably provided through a material having a certain mechanical strength or more in order to protect the internal electronic elements from impact. In an embodiment, the glass layer 111 may mean a tempered glass or a film plate.

In various embodiments, the glass film 111 of the present invention may be provided in two to correspond to each of the first and second surfaces of the transparent display unit 110, and the glass film 111 provided on each surface may be characterized in that they are provided through different materials.

According to an embodiment, the glass film corresponding to the first surface (eg, the front surface) exposed to the user may be provided through anti-reflective (AR) tempered glass. Since AR tempered glass has high mechanical strength, it is excellent for protecting internal elements from impacts that may occur from the outside, and has an advantage of providing high information transmission power because of low reflectivity.

In addition, the glass film corresponding to the second surface (eg, rear surface) in contact with the power supply unit (or solar cell) may be provided through non-tempered glass, that is, normal glass. In the embodiment, the glass film corresponding to the second surface may be characterized in that it is provided through common glass for easy contact with the glass film of the power supply unit 120 . For example, when the glass film corresponding to the second surface is provided through the same AR tempered glass as the first surface, a bonding process of the power supply unit 120 with the glass film may be difficult. For example, during the bonding process between the glass films, the sintering temperature rises, and due to the elevated sintering temperature (in this case, the elevated sintering temperature may be higher than the manufacturing process temperature of the transparent display unit), the elements inside the transparent display unit 110 may be lifted or disturbed. Accordingly, the glass film forming the second surface related to contact with the power supply unit 120 is preferably provided through common glass.

In addition, the transparent display unit 110 is provided inside the glass layer 111 and may include one or more light emitting modules 112 including at least one LED pixel. In one embodiment, the LED pixel may mean a smart pixel or micro LED capable of individual control.

In the embodiment, each of the one or more light emitting modules may be characterized in that individual lighting control is possible as they are provided with individual controllers. That is, the transparent display unit 110 of the present invention may be characterized in that a separate LED driver for controlling each light emitting module is not provided.

For example, in the case of a display using a general LED, it is a method of controlling light by directly changing a voltage to an LED element. For example, the light of the LED device may be controlled through voltages related to RGB. In this case, all LEDs connected to the same line emit the same color. Accordingly, when using a general LED, various effects such as a rainbow effect (eg, an effect in which LEDs express different colors at once) or a wave effect (eg, a sequential operation effect in which LEDs are sequentially increased or turned off) cannot be provided, and thus, there is a limit in that the diversity of visual information that can be expressed through the corresponding display is limited.

In addition, a separate LED driver for controlling a plurality of LEDs may be required, and such a driver is implemented in the form of a PCB. Since these PCBs must be provided in close proximity to the display (eg, side or back), they act as a factor limiting the transparency of the display.

Accordingly, various effects can be implemented by utilizing addressable LEDs (ALEDs, Addressable LEDs, or LED pixels) that can be individually controlled through digital signals.

Meanwhile, a plurality of ALEDs may be serially connected to each other to form a loop. In this case, as shown in FIG. 8 , each ALED must use a Zener diode (ZD) as a voltage regulator because the voltage must not change in order not to interfere with data transmission. In addition, a separate voltage regulator (eg, Zener diode) and a capacitor (C) in a series line to overcome the ground potential must be provided.

The present invention may provide a current loop interface for implementing an ALED (ie, an LED pixel) capable of reducing power even while completely eliminating a voltage regulator such as a Zener diode. In other words, it can provide a current loop interface that allows a bunch of LED pixels to have flexible energy consumption without interrupting serial data communication between LED pixels.

In a more specific embodiment, referring to FIG. 9, a current loop is implemented by interposing a MOSFET between the two LED pixels without directly connecting the LED pixels, but when GND1 < VDD2 - Uth (threshold voltage of MOSFET (Q2)), the circuits of the two LED pixels (ALED (U1) and ALED (U2)) can be coupled through the current loop. In this case, the source of the MOSFET Q1 is connected to GND1 of the first LED pixel U1, the gate is connected to D0, the drain of the MOSFET Q1 is connected to the gate of the MOSFET Q2 through the resistor RG, the resistor R2 is connected between the gate and the source of the MOSFET Q1, XDD2 is connected to the source of the MOSFET Q2, and the LED pixel is connected to the drain of the MOSFET Q1.

In addition, according to the embodiment, a current loop is implemented by interposing a MOSFET between the two LED pixels without directly connecting the LED pixels, but when VDD1 > GND2 + Uth, the two LED pixels ( ALED (U1) and ALED (U2)) can be coupled through the current loop. Details of a current loop interface implementation method for an addressable LED of a transparent display are discussed in detail in Korean Patent Registration No. 10-2036603, which is incorporated by reference in its entirety in this application.

When utilizing this current loop interface, the zener diode and voltage regulator can be completely eliminated, as the data transfer will continue to work as long as a sufficiently high operating voltage is supplied.

Therefore, a separate external printed circuit board having a built-in Zener diode and a capacitor can be removed, and since the FPCB connecting the PCB and the transparent display unit 110 can also be removed, transparency is secured so that the surrounding scenery is not covered, and chronic circuit board errors and failures can be minimized. This has the advantage of reducing maintenance costs and realizing semi-permanent use.

In various embodiments, each of the one or more light emitting modules 112 may be implemented through at least one of a single module type including one LED pixel and a combined module type including a plurality of LED pixels.

A single module type may mean that one light emitting module is composed of one LED pixel. That is, as shown in FIG. 10 , it may mean that one LED pixel forms one light emitting module itself. When one or more light emitting modules are provided in the form of a single module, the transparent electrode 113 may be provided to connect each pixel 112a.

According to the embodiment, when the light emitting module is provided in the form of a single module, an individual controller may be provided for each LED pixel. For example, individual controllers may be miniaturized and provided near each LED pixel, and each LED pixel 112a may be connected through a transparent electrode 113. Accordingly, transparency may be secured in an area other than the area in which the LED pixels are provided. According to the embodiment, when the light emitting module is provided in the form of a single module, there is an advantage in ensuring the greatest transparency. That is, in order to secure the highest transparency, it is preferable to configure the light emitting module in the form of a single module.

The combined module type may mean that one light emitting module is composed of a plurality of LED pixels. When each light emitting module is composed of a plurality of LED pixels, manufacturing efficiency of the light emitting module may be improved. For example, in the case of implementing a display by connecting each pixel, as in the form of a single module, the difficulty of the process increases because each pixel must be connected through a transparent electrode and positioned in each area through a certain arrangement. On the other hand, when the light emitting module is provided in the form of a combined module, since a plurality of LED pixels are integrated to form one light emitting module, the transparent electrode for connecting the light emitting modules is minimized and the process for aligning the pixels can be made easier.

According to an embodiment, the combined module form may include at least one of a strip form and a wire mesh form. For example, in order to have one or more light emitting modules in the form of a combined module, a separate frame for integrating a plurality of pixels to form one light emitting module may be required.

More specifically, referring to FIG. 11 , each light emitting module may be formed in a strip shape in which a plurality of LED pixels 122a constitute one column. For example, one light emitting module may be formed by connecting 7 LED pixels in a regular strip shape. That is, each of the first light emitting module 112-1, the second light emitting module 112-2, and the third light emitting module 112-3 shown in FIG. 11 may be configured by integrating a plurality of LED pixels. In an embodiment, when one or more light emitting modules are provided in the form of a strip, a predetermined interval may be formed between each strip, and a certain level of transparency may be secured through the interval between the strips and the interval between each pixel.

In addition, one or more light emitting modules may be configured through a wire mesh type. As shown in FIG. 11 , the wire mesh type may be formed by connecting 224 LED pixels in a mesh form. The description of the specific numerical values of the LED pixels is only an example, and the present invention is not limited thereto.

In various embodiments, the light emitting module 112 may be characterized in that it is provided in a film type. That is, the light emitting module 112 may be implemented in the form of an LED film. In the case of a film type, as transparency is secured, an excellent sense of openness can be provided to the user. For example, in the case of a film type, it looks like transparent general glass during the day and does not harm the surrounding scenery, but can be used as a display displaying various visual information at night when it gets dark.

That is, the light emitting module of the present invention may be characterized in that it is provided through at least one of a single type module, a combination type module and a film type according to the arrangement shape and the provision type. In a specific embodiment, the light emitting module may be provided through at least one form of a single module form, a strip form, a wire mesh form, and a film form, as needed. All of the above four types may have transparency of a certain level or more, and thus enable transparent display implementation. For example, high transparency can be secured in the order of a single module form, a film form, a strip form, and a wire mesh form.

In various embodiments, the transparent display unit 110 may include a transparent electrode 113 connecting the light emitting module 112 to each other. The transparent electrode 113 may refer to a film in which an electrode is formed by thinly depositing plastic material PET in an indium acid plasma state. The transparent electrode 113 is implemented by depositing a metal material, but may be provided in a transparent form. In an embodiment, the transparent electrode is characterized by increasing the transparency of glass and permitting the movement of electricity, and may be formed through various processing methods such as an electron beam process, an ion plating process, or a sputtering process.

In addition, the transparent display unit 110 may include a bonding material 114 for fixing the light emitting module 112 . In one embodiment, the bonding material 114 may mean a resin or film filled between glass films. If electrical elements can be fixed to each region on the inside of the glass film 111 through the bonding material 114, the inside of the glass film 111 can also be maintained in a vacuum state.

In various embodiments, the transparent display unit 110 may further include a control board (not shown) including one or more input terminals connectable to external devices. In an embodiment, a plurality of input terminals are provided on the control board, and external devices may be connected through the corresponding input terminals. The transparent display unit 110 can be interlocked with an external device through an input terminal of a control board, and can display various visual information by controlling the lighting of LED pixels in response to interlock with the external device.

According to one embodiment, the transparent display unit 110 may be characterized in that it is provided to communicate with an external server through an MQTT protocol. The MQTT protocol, as a protocol for Machine To Machine (M2M) or Internet Of Things (IOT), may be a protocol for communication with minimum power and packet volume. In an embodiment, MQTT may be configured through a Broker, Publisher, and Subscriber structure, rather than a client-server structure such as communication such as HTTP or TCP. Publishers create topics, Subscribers can subscribe to published topics, and Brokers relay them. Since multiple Subscribers can subscribe to a single topic, it is very useful for building 1:N communication, and through this, data such as IOT sensors can be easily managed. In other words, MQTT is advantageous for controlling small devices and collecting sensor information, and has the advantage of being easy to implement in the IOT area and efficiently transmitting data. As the transparent display unit 110 of the present invention is provided to communicate with an external server through the MQTT protocol, it can display visual information through linkage through IOT. That is, the transparent display unit 110 may be implemented through linkage with various devices to provide visual recognition information related to the area where the corresponding transparent display unit 110 is located. For example, the transparent display unit 110 may display visual information based on connection through the Internet of Things, such as a temperature sensor device, a humidity sensor device, a speed sensor device, an illuminance sensor device, and an air volume sensor device. The specific description of the above-described sensor devices is only an example, and the present invention is not limited thereto.

According to one embodiment, the power supply unit 120 may be characterized in supplying power to the transparent display unit 110 . The power supply unit 120 may supply electrical energy to the transparent display unit 110, and the transparent display unit 110 may display visual information by emitting light from the light emitting module through the supplied electrical energy.

According to one embodiment, the power supply unit 120 may include a solar cell that converts light energy into electrical energy. The power supply unit 120 of the present invention may refer to a solar cell that obtains electrical energy by converting light energy. Electrical energy obtained through the solar cell is supplied to the transparent display unit 110, allowing light to be displayed through a plurality of LED pixels.

According to an embodiment, the solar cell may include at least one of an organic solar cell including an organic material and a silicon solar cell including a silicon-based material.

An organic solar cell may be a solar cell made of organic materials. Organic solar cells can be large-area, so convenience in the manufacturing process is secured, and mass production may be possible. In addition, as it is provided through an organic material, it can be provided with a bendable (flexible), there is an advantage that the manufacturing cost is low.

In an embodiment, a silicon-based solar cell is implemented using a semiconductor material such as silicon, and may refer to a device that converts light energy into electrical energy using a silicon wafer. A silicon-based solar cell may have somewhat low efficiency, but has the advantage of easily obtaining materials and having a low manufacturing cost.

Also, according to an embodiment, the solar cell may include a perovskite solar cell having a specific crystal structure. Perovskite is a semiconductor material having a hexagonal structure and may mean gray titanium stone. Perovskite solar cells are realized through a simple manufacturing process and have the advantage of being deposited on various substrates. For example, in the case of a silicon-based solar cell, processing is performed at a temperature of 1400 degrees Celsius or more using expensive equipment, but perovskite can be processed in a liquid solution at a relatively low temperature of about 100 degrees Celsius through inexpensive equipment. Additionally, perovskites can be deposited on a variety of substrates, including flexible plastics. Unlike thick and highly rigid silicon wafers, this has the advantage of being versatile.

Also, according to the embodiment, the solar cell may include a dye-sensitized solar cell (DSSC). For example, the dye-sensitized solar cell may be a solar cell that operates through a principle similar to that of photosynthesis in plants.

Specifically, the dye-sensitized solar cell operates on the principle that special dye molecules chemically adsorbed on the surface of a metal oxide absorb light to generate electrons, and collect the generated electrons at electrodes to produce electrical energy. In the embodiment, in the case of a dye-sensitized solar cell, it can be provided transparently through a transparent dye or provided in various colors through dyes of various colors, and thus has high versatility.

Since such a dye-sensitized solar cell has a relatively simple structure, the manufacturing cost is only 20 to 50% of that of a silicon-based solar cell. In addition, the dye-sensitized solar cell has an advantage that there is almost no decrease in efficiency depending on the incident angle of light, and the amount of power generated during the day and night is higher than that of other solar cells. That is, in the case of a dye-sensitized solar cell, since there is almost no decrease in efficiency depending on the angle of incidence, it does not have to be provided in the direction in which sunlight is incident, so it has high autonomy and flexibility for the location where it is provided, and has the advantage of generating electrical energy based on various light energy (e.g., headlights of a car, light emitted from an LED or street light, etc.) even when there is no sun.

Since transparency can be guaranteed when using a dye-sensitized solar cell, it is most preferable that the transparent electronic banner 100 of the present invention includes a dye-sensitized solar cell to secure transparency.

According to one embodiment of the present invention, the power supply unit 120 may be provided through a dye-sensitized solar cell.

As shown in FIG. 12 , the dye-sensitized solar cell may include a battery glass layer 121 and a dye 123 (dyestuff) and an electrolyte 122 (electrolyte) provided between the glass layers.

As the solar cell included in the transparent electronic banner 100 of the present invention is implemented through a fuel-saving solar cell, as shown in FIG. 13, electrical energy is collected through sunlight during the daytime, and vehicle headlights, streetlights, and LED light at night. By collecting the light, electrical energy can be continuously acquired and supplied to the transparent display unit 110 even at night when there is no sun. In particular, light energy emitted from a plurality of LED pixels of the transparent display unit 110 provided in contact with one surface of the fuel-reduced solar cell may be recycled as electrical energy, thereby realizing a virtuous cycle of energy.

In summary, the transparent display unit 110 included in the transparent electronic banner 100 of the present invention may be implemented in at least one of a single module type in which each light emitting module is implemented with one LED pixel, a combined module type in which each light emitting module is implemented with a plurality of LED pixels (ie, a strip type and a wire mesh type) and a film type. In addition, the power supply unit 120 provided in contact with one surface of the transparent display unit 110 may be provided through at least one of an organic solar cell, a silicon solar cell, a perovskite solar cell, and a dye-sensitized solar cell.

In a more specific embodiment, the transparent electronic banner 100 of the present invention is configured through a transparent display unit 110 implemented in a single module form and a power supply unit 120 implemented with a dye-sensitized solar cell to maximize transparency. In this case, since both the transparent display unit 110 and the power supply unit 120 have transparency, they can be naturally friendly with the surrounding environment without covering the surrounding scenery. For example, it is possible to create a state-of-the-art city image suitable for a smart city by creating a mysterious yet luxurious feeling, as if lights are floating in the air. Also, for example, during the day when no visual information is displayed, it may look like transparent general glass and not harm the surrounding scenery.

According to one embodiment of the present invention, the transparent display unit 110 and the power supply unit 120 may be respectively provided through shapes corresponding to each other. In this case, the transparent electronic banner 100 may be implemented through bonding between glass films provided on one side of each of the transparent display unit 110 and the power supply unit 120.

That is, the transparent electronic banner 100 of the present invention, as shown in FIG. 14, one side of the glass film 111 of the transparent display unit 110 and the battery glass film 121 of the power supply unit 120 It can be formed as one side is bonded. In this case, since the transparent display unit 110 and the power supply unit 120 are created through each manufacturing process, the transparent electronic banner 100 can be created through a bonding process of each glass film, so the process is easy and simple.

According to another embodiment of the present invention, the transparent electronic banner 100 includes three glass films as the transparent display unit 110 is formed based on the glass film constituting one side of the power supply unit 120. It can be characterized in that it is configured.

For example, as shown in FIG. 14, when the transparent display unit 110 and the power supply unit 120 are each manufactured, when the transparent electronic banner 100 is produced through the bonding process between the glass films of both components, the manufacturing process is easy. However, as a relatively high sintering temperature occurs during the bonding process between the glass films, the elements of the transparent display unit 110 may become unstable. In addition, when the transparent electronic banner 100 is implemented through bonding between glass films, the thickness and weight may increase as four sheets of glass films are included.

For example, a sintering temperature in a compression sputtering process for forming electrodes in the process of implementing the transparent display unit 110 may be about 120°C. On the other hand, the temperature generated in the process of bonding the glass film between the transparent display unit 110 and the power supply unit 120 may be 120 ° C. or higher, and accordingly, the arrangement or arrangement of the elements of the transparent display unit 110 already manufactured during the bonding process may be disturbed or lifted, which deteriorates the quality and durability of the transparent display unit 110. Accordingly, in the present invention, as shown in FIG. 15 , after manufacturing a dye-sensitized solar cell first, the transparent display unit 110 may be formed on one surface of the solar cell.

In one embodiment, since the sintering temperature in the manufacturing process of the dye-sensitized solar cell is 400 to 500 ° C., it is preferable to first manufacture the dye-sensitized solar cell and then form the transparent display unit 110 having a relatively low sintering temperature on one side thereof.

Through the above process, since the dye-sensitized solar cell and the transparent display unit are connected by sharing one glass film, a bonding process between the glass films is not required. This can prevent durability or quality deterioration of the transparent display unit 110 .

In addition, in this case, as shown in FIG. 15, the transparent electronic banner 100 may have three glass layers, and thus, the overall weight of the transparent electronic banner 100 may be reduced. In general, the transparent electronic banner 100 (or transparent electronic banner) is provided at a high place so that a plurality of users can see it. For example, the transparent electronic banner 100 may be installed on a support such as a street lamp or an electric pole. In the case of the transparent electronic banner 100 of the present invention, both the dye-sensitized solar cell and the transparent display unit 110 have transparency, and can be implemented through a relatively small weight and thin thickness as they are provided to include only three glass films, so that it can be more naturally melted into the surrounding landscape and can be more stably coupled to the support through weight reduction.

In various embodiments, the transparent electronic banner 100 may be characterized in that it is created through a method of forming the transparent display unit 110 and the dye-sensitized solar cell respectively corresponding to the first and second surfaces of the glass film. That is, a dye-sensitized solar cell (DSSC) may be provided to contact the transparent display unit 110 as the power supply unit 120 . In this case, as described above, the transparent electronic banner 100 may include three glass films. In an embodiment, the dye-sensitized solar cell is a solar cell that has a principle of converting light energy into electrons through a dye and generating power through a redox action, similar to photosynthetic action of a plant. A dye-sensitized solar cell is composed of a photo electrode in which dye is adsorbed on a semiconductor oxide, a counter electrode, and an electrolyte.

According to the embodiment, as the dye-sensitized solar cell is provided on the back side of the transparent display unit 110, the transparent display unit 110 may be affected by a high temperature generated during an electrode sintering process of the dye-sensitized solar cell. Specifically, a high temperature of 500 ° C. may be required for sintering the photoelectrode of the dye-sensitized solar cell, and such a high temperature of 500 ° C. may affect the bonding material 114 of the transparent display unit 110 provided on the back side of the dye-sensitized solar cell. The bonding material 114 serves to fix the light emitting module, and may mean a resin or film filled between glass films. If electrical elements can be fixed to each region on the inside of the glass film 111 through the bonding material 114, the inside of the glass film 111 can also be maintained in a vacuum state. For example, under the influence of a high temperature of 500° C. required for sintering the photoelectrode, the bonding material 114 made of resin may melt and the light emitting module may be separated, or the inside of the glass film may not be maintained in a vacuum state. Accordingly, it is very important to plan a process sequence and process method so as not to be affected by both processes in the process of generating the dye-sensitized solar cell and the transparent display unit 110 .

In a specific embodiment, a method of forming the transparent display unit 110 and the dye-sensitized solar cell respectively corresponding to the first and second surfaces of the glass film includes providing an LED module and a DSSC module on the first and second surfaces, respectively, providing a protective film on the surface corresponding to the first surface, and TiO corresponding to the second surface.₂ Performing coating, TiO₂sintering to form a photoelectrode, after the photoelectrode is formed, attaching a guard to the surface corresponding to the first surface, adsorbing a dye to the surface of the photoelectrode, bonding a counter electrode corresponding to the photoelectrode, mounting one or more light emitting modules corresponding to the first surface after the bonding of the counter electrode is completed, and injecting an electrolyte layer corresponding to the second surface to perform sealing after the mounting of the one or more light emitting modules is completed.

The order of the above-described steps may be changed as needed, and at least one or more steps may be omitted or added. That is, the above steps are only one embodiment of the present invention, and the present invention is not limited thereto.

In one embodiment, the method may include providing a light emitting module and a DSSC module on each of the first and second surfaces of the glass membrane. For example, the glass film may be FTO glass, and each of the LED module for implementing the transparent display unit 110 and the DSSC module for implementing a dye-sensitized solar cell are implemented on each of both sides of the glass film. The LED module and the DSSC module may mean electrodes for electrically connecting electronic elements of the transparent display unit and the dye-sensitized solar cell, respectively.

In one embodiment, the method may include providing a protective film on a surface corresponding to the first surface. In various embodiments, the protective film is provided to protect the surface of the transparent display unit 110 and may be removed before forming the photoelectrode. The protective film may be for preventing damage to the LED electrode. When designing an FTO-based double-sided electrode, a protective film to prevent damage to the LED electrode must be provided. Since such a protective film may be degraded or adsorbed due to high temperature in the process of firing the photoelectrode of the dye-sensitized solar cell, it must be removed before firing the photoelectrode.

In one embodiment, the method may include performing a TiO ₂ coating corresponding to the second surface. According to the embodiment, TiO ₂ is widely used as a photoelectrode material because it has a high internal surface area, ease of manufacture, and chemical stability. Dye molecules chemically adsorbed on the TiO ₂ surface of the photoelectrode receive light and generate electrons. In an embodiment, TiO ₂ may be coated through various process methods such as doctor blade, spin coating, and screen printing.

In one embodiment, the method may include forming a photoelectrode by sintering TiO ₂ . In a specific embodiment, the second surface of the FTO glass is coated with TiO ₂ paste in a doctor blade method after tape casting, and then fired at a temperature of 500° C. for a certain period of time (eg, 60 minutes).

In one embodiment, the method may include attaching a protector to a surface corresponding to the first surface after the photoelectrode is formed. In the embodiment, the guard is provided to protect the LED electrode during firing or handling of the photoelectrode, and may be made of a material that does not deform at high temperatures. These guards are attached and handled corresponding to the first surface to protect the LED electrode after the sintering process of the photoelectrode.

In one embodiment, the method may include adsorbing a dye to the surface of the photoelectrode. For example, after the photoelectrode is formed, cooling may be performed in an electric furnace to a certain temperature (e.g., 80 ° C.), and the cooled substrate is immersed in the dye for a certain period of time (e.g., 24 hours), thereby adsorbing the dye.

In one embodiment, the method may include bonding a counter electrode corresponding to the photoelectrode. In an embodiment, Pt paste may be coated on the second surface of the FTO glass in a doctor blade method after tape casting, and the Pt counter electrode is formed by firing at a temperature of 500° C. and then cooling to room temperature.

In one embodiment, the method may include mounting one or more light emitting modules corresponding to the first surface after bonding of the counter electrode is completed. That is, after manufacturing of the positive electrodes (ie, the photoelectrode and the counter electrode) of the dye-sensitized solar cell is completed, the light emitting module for display is mounted on the circuit of the LED electrode.

In one embodiment, the method may include performing sealing by injecting an electrolyte layer corresponding to the second surface after mounting of one or more light emitting modules is completed. That is, after the generation of the transparent display unit 110 is completed, the dye-sensitized solar cell may be implemented by injecting an electrolyte and then performing sealing.

In the present invention, through the process sequence or process described above, each of the dye-sensitized solar cell and the transparent display unit 110 can be prevented from being affected by performance degradation during each generation process. In other words, the transparent electronic banner 100 of the present invention can be implemented by providing the dye-sensitized solar cell and the transparent display unit 110 on the back so as not to be affected in each production process.

According to one embodiment, the transparent electronic banner 100 may include a speed sensor module 130. As shown in FIG. 3, the speed sensor module 130 is provided in one area of the transparent electronic banner 100 and may be installed facing the driving direction of the vehicle. The speed sensor module 130 may be a lidar type speed sensor that senses the driving speed of the vehicle. In one embodiment, the speed sensor module 130 supplies the radar related to the optical pulse to the target, and then measures the characteristics of the reflected signal to calculate the speed, direction or distance from the transparent electronic banner 100 that the object moves. Can be calculated.

According to one embodiment, the transparent electronic banner 100 may include a camera module 140. The camera module 140 is provided adjacent to the transparent electronic banner 100, and can acquire image information related to the area where the transparent electronic banner 100 is provided. The transparent electronic banner 100 can express visual information based on the expression control information generated by analyzing the real-time image information obtained from the camera module 140.

In various embodiments, a plurality of camera modules 140 may be provided to acquire image information in multiple directions. For example, the camera module 140 may include a first camera module for acquiring image information related to a first direction in which a vehicle travels and a second camera module for acquiring image information related to a second direction in which a pedestrian is moving. In addition, the camera module may further include additional camera modules for acquiring image information for various angles (or directions). For example, the camera module may include four camera modules so as to acquire image information related to east, west, south, and north directions.

According to one embodiment, the transparent electronic banner 100 may include an illuminance sensor module 150. As shown in FIG. 3, the illuminance sensor module 150 may be provided at the upper end of the transparent electronic banner 100 and serves to sense the illuminance. According to the embodiment, the brightness of the plurality of LED pixels may be determined according to the illuminance sensed through the illuminance sensor module 150 . For example, the brightness of the plurality of LED pixels may be determined higher as the current illuminance is measured higher, and the brightness of the plurality of LED pixels may be determined lower as the current illuminance is measured lower. That is, during the bright daytime, the LED pixels are controlled to be bright so that the user can better identify visual information, and during the nighttime when the LED pixels have good discrimination, the brightness of the LED pixels is relatively lowered to minimize power consumption.

Also, in an embodiment, the display of the transparent electronic banner 100 may be controlled based on the illuminance information sensed through the illuminance sensor module 150. This is to minimize the use of energy by preventing the transparent electronic banner 100 from displaying visual information during the night time when the user's movement is low. That is, when a certain or higher level of illumination is not sensed through the illuminance sensor module 150, it is determined that no user exists in a nearby area and visual information may not be displayed on the transparent electronic banner 100. For example, when a user gets on and moves in a vehicle, the illuminance sensor module 150 may detect light corresponding to the headlight of the vehicle. Conversely, when a certain level of illuminance is detected through the illuminance sensor module 150, visual information can be displayed on the transparent electronic banner 100 by determining that a user (or moving object) exists in a nearby area. That is, it is possible to determine whether a user exists in a nearby area based on the illuminance information detected through the illuminance sensor module 150, and based on this, whether or not to display visual information on the transparent electronic banner 100 can be determined. Through this configuration, since the transparent electronic banner 100 can display visual information only when necessary (eg, only when users are present in the surrounding area), wasted power consumption can be minimized.

According to one embodiment, the transparent electronic banner 100 may include a transceiver 160. The transceiver 160 may transmit environmental sensing information obtained through various sensor modules to the server 200, and may receive an expression control signal generated by the server 200 through analysis of the environmental sensing information.

The transceiver 160 according to embodiments of the present invention may use various wired communication systems such as a Public Switched Telephone Network (PSTN), x Digital Subscriber Line (xDSL), Rate Adaptive DSL (RADSL), Multi Rate DSL (MDSL), Very High Speed DSL (VDSL), Universal Asymmetric DSL (UADSL), High Bit Rate DSL (HDSL), and Local Area Network (LAN).

In addition, the transceiver 160 presented herein may use various wireless communication systems such as code division multi access (CDMA), time division multi access (TDMA), frequency division multi access (FDMA), orthogonal frequency division multi access (OFDMA), single carrier-FDMA (SC-FDMA), and other systems.

The transceiver 160 according to the embodiments of the present invention may be configured regardless of its communication mode, such as wired and wireless, and may be configured with various communication networks such as a personal area network (PAN) and a wide area network (WAN). In addition, the network may be the known World Wide Web (WWW), or may use a wireless transmission technology used for short-range communication, such as Infrared Data Association (IrDA) or Bluetooth. The techniques described herein may be used in the networks mentioned above as well as other networks.

According to an embodiment of the present invention, the server 200 that provides a visual information providing method using a transparent electronic banner can control the visual information displayed on the transparent electronic banner 100.

Specifically, the server 200 can generate an expression control signal for controlling the lighting of a plurality of LEDs included in the transparent electronic banner 100, and transmits it to the transparent electronic banner 100, thereby displaying various visual information through the transparent electronic banner 100.

According to one embodiment, the server 200 may generate expression control information based on at least one of external expression information received from the external server 200 or environment sensing information received from the transparent electronic banner 100 . Here, the external server 200 refers to servers that provide various information, and may include, for example, a public institution server storing weather information, road traffic situation information, government policy information, and regional information for revitalizing the local economy, or an advertisement server for displaying advertisement information, etc., but is not limited thereto.

For example, the server 200 may receive real-time weather information from the Korea Meteorological Administration server, and based on this, may generate an expression control signal to express the current temperature or humidity in numbers. Also, for example, the server 200 may generate an expression control signal for displaying festival information related to the area in which the transparent electronic banner 100 is installed as a picture or text from a local server. For another example, the server 200 may generate an expression control signal from the road traffic server to express accident information occurring near the transparent electronic banner 100 as a picture or text. The detailed description of the above-described external servers and information received from each external server is only an example, and the present invention is not limited thereto.

Also, according to the embodiment, the server 200 may generate expression control information based on environment sensing information received from the transparent electronic banner 100. The transparent electronic banner 100 can collect information about the surrounding environment and transmit it to the server 200, and the server 200 analyzes the collected information to generate an expression control signal and transmits it to the transparent electronic banner 100, thereby enabling the transparent electronic banner 100 to display visual information corresponding to the surrounding situation. Accordingly, the user can recognize various surrounding situations (e.g., a pedestrian approaching the road currently being driven, a parking situation in a nearby parking lot, black ice or a fall on the road currently being driven) through visual information displayed on the transparent electronic banner 100. This is because information is displayed by analyzing blind spots, road conditions, or nearby conditions that are difficult for users to identify, thereby preventing safety accidents or enabling quick response to future situations.

A more detailed description of how the server 200 controls the visual information displayed through the transparent electronic banner 100 by generating expression control information will be described later with reference to FIGS. 17 to 19.

In the embodiment, only one server 200 is shown in FIG. 1, but it will be apparent to those skilled in the art that many more servers may also fall within the scope of the present invention, and that server 200 may include additional components. That is, the server 200 may be composed of a plurality of computing devices. In other words, a set of a plurality of nodes may constitute the server 200 .

According to one embodiment of the present invention, the server 200 may be a server providing cloud computing services. More specifically, the server 200 is a kind of Internet-based computing and may be a server that provides a cloud computing service that processes information with another computer connected to the Internet, not the user's computer. The cloud computing service may be a service that stores data on the Internet and can be used anytime and anywhere through Internet access without requiring users to install necessary data or programs on their computers, and can easily share and deliver data stored on the Internet with simple manipulations and clicks. In addition, the cloud computing service not only simply stores data in a server on the Internet, but also allows users to perform desired tasks by using the functions of application programs provided on the web without installing a separate program. In addition, the cloud computing service may be implemented in the form of at least one of Infrastructure as a Service (IaaS), Platform as a Service (PaaS), Software as a Service (SaaS), virtual machine-based cloud server, and container-based cloud server. That is, the server 200 of the present invention may be implemented in the form of at least one of the aforementioned cloud computing services. The specific description of the cloud computing service described above is just an example, and may include any platform for constructing the cloud computing environment of the present invention.

According to an embodiment of the present invention, the external server 200 is a server that stores various information such as commercial or public information, and may include, for example, a public institution server for storing weather information, road traffic situation information, government policy information, and regional information for revitalizing the local economy, or an advertisement server for displaying advertisement information, but is not limited thereto.

The external server 200 may be connected to the server 200 through a network, and the server 200 may provide various information/data necessary for controlling the display of the transparent electronic banner 100, or result data derived from the information (e.g., analysis information corresponding to environmental sensing information) may be provided, stored, and managed. For example, the external server 200 may be a storage server provided separately outside the server 200, but is not limited thereto.

The external server 300 is a digital device, and may be a digital device equipped with a processor, memory, and arithmetic capability, such as a laptop computer, a notebook computer, a desktop computer, a web pad, and a mobile phone. The external server 300 may be a web server that processes services. The types of servers described above are only examples and the present disclosure is not limited thereto.

In various embodiments, a system for implementing a visual information providing method using a transparent electronic banner may further include a user terminal (not shown).

In one embodiment, the user terminal may be a terminal related to an advertiser providing advertisements or a manager managing transparent electronic banners. A user terminal according to an embodiment of the present invention may refer to any type of node(s) in a system having a mechanism for communication with the server 200 . The user terminal can exchange information with the server 200 so that various visual information is displayed on the transparent electronic banner 100.

A user terminal may refer to any type of entity(s) in the system having a mechanism for communication with the server 200. For example, such a user terminal may include a personal computer (PC), a note book (note book), a mobile terminal (mobile terminal), a smart phone (smart phone), a tablet PC (tablet PC), and a wearable device. Also, the user terminal may include an arbitrary server implemented by at least one of an agent, an application programming interface (API), and a plug-in. Also, the user terminal may include an application source and/or a client application.

16 is a hardware configuration diagram of a server performing a visual information providing method using a transparent electronic banner related to an embodiment of the present invention.

Referring to FIG. 16, a server 200 performing a visual information providing method using a transparent electronic banner related to an embodiment of the present invention may include one or more processors 210, a memory 220 that loads a computer program 251 executed by the processor 210, a bus 230, a communication interface 240, and a storage 250 that stores the computer program 251. Here, only the components related to the embodiment of the present invention are shown in FIG. 16 . Accordingly, those skilled in the art to which the present invention pertains can know that other general-purpose components may be further included in addition to the components shown in FIG. 16 .

According to one embodiment of the present invention, the processor 210 may normally process the overall operation of the server 200 . The processor 210 processes signals, data, information, etc. input or output through the components described above or drives an application program stored in the memory 220, thereby providing or processing appropriate information or functions to a user or user terminal.

Also, the processor 210 may perform an operation for at least one application or program for executing a method according to embodiments of the present invention, and the server 200 may include one or more processors.

According to one embodiment of the present invention, the processor 210 may be composed of one or more cores, and may include processors for data analysis and deep learning, such as a central processing unit (CPU), general purpose graphics processing unit (GPGPU), and tensor processing unit (TPU) of a computing device.

The processor 210 may read a computer program stored in the memory 220 to provide a visual information providing method using a transparent electronic banner according to an embodiment of the present invention.

In various embodiments, the processor 210 may further include a RAM (Random Access Memory, not shown) and a ROM (ROM: Read-Only Memory, not shown) that temporarily and/or permanently store signals (or data) processed inside the processor 210. In addition, the processor 210 may be implemented in the form of a system on chip (SoC) including at least one of a graphics processing unit, RAM, and ROM.

Memory 220 stores various data, commands and/or information. Memory 220 may load computer program 251 from storage 250 to execute methods/operations according to various embodiments of the present invention. When the computer program 251 is loaded into the memory 220, the processor 210 may perform the method/operation by executing one or more instructions constituting the computer program 251. The memory 220 may be implemented as a volatile memory such as RAM, but the technical scope of the present disclosure is not limited thereto.

The bus 230 provides a communication function between components of the server 200 . The bus 230 may be implemented as various types of buses such as an address bus, a data bus, and a control bus.

The communication interface 240 supports wired and wireless Internet communication of the server 200 . Also, the communication interface 240 may support various communication methods other than Internet communication. To this end, the communication interface 240 may include a communication module well known in the art. In some embodiments, communication interface 240 may be omitted.

The storage 250 may non-temporarily store the computer program 251 . When a visual information providing process using a transparent electronic banner is performed through the server 200, the storage 250 may store various types of information necessary to provide a visual information providing process using a transparent electronic banner.

The storage 250 may include a non-volatile memory such as read only memory (ROM), erasable programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), flash memory, etc., a hard disk, a removable disk, or any type of computer-readable recording medium well known in the art to which the present invention pertains.

Computer program 251 may include one or more instructions that, when loaded into memory 220, cause processor 210 to perform methods/operations in accordance with various embodiments of the invention. That is, the processor 210 may perform the method/operation according to various embodiments of the present disclosure by executing the one or more instructions.

In one embodiment, the computer program 251 may include one or more instructions for performing a visual information providing method using a transparent electronic banner, including the steps of receiving environment sensing information from each of one or more transparent electronic banners, generating expression control information for controlling each of one or more transparent electronic banners based on the environment sensing information, and transmitting the expression control information to each transparent electronic banner.

Steps of a method or algorithm described in connection with an embodiment of the present invention may be implemented directly in hardware, implemented in a software module executed by hardware, or implemented by a combination thereof. A software module may reside in random access memory (RAM), read only memory (ROM), erasable programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), flash memory, a hard disk, a removable disk, a CD-ROM, or any other form of computer-readable recording medium well known in the art.

Components of the present invention may be implemented as a program (or application) to be executed in combination with a computer, which is hardware, and stored in a medium. Components of the present invention may be implemented as software programming or software elements, and similarly, an embodiment may be implemented in a programming or scripting language such as C, C++, Java, assembler, etc., including various algorithms implemented as data structures, processes, routines, or combinations of other programming constructs. Functional aspects may be implemented in an algorithm running on one or more processors. Hereinafter, with reference to FIGS. 17 to 19, a method of providing visual information using a transparent electronic banner performed by the server 200 will be described later in detail.

17 is a flowchart illustrating a visual information providing method using a transparent electronic banner related to an embodiment of the present invention by way of example. The order of the steps shown in FIG. 17 may be changed as needed, and at least one step may be omitted or added. That is, the following steps are only one embodiment of the present invention, and the scope of the present invention is not limited thereto.

According to an embodiment of the present invention, a method for providing visual information using a transparent electronic banner may include receiving environment sensing information from each of one or more transparent electronic banners (S110).

In an embodiment, obtaining environmental sensing information may be receiving or loading data stored in the memory 220 . Obtaining environment sensing information may be receiving or loading environment sensing information from another computing device or a separate processing module within the same computing device in another storage medium based on wired/wireless communication means.

According to the embodiment, a plurality of transparent electronic banners 100 may be provided to correspond to various regions. For example, a plurality of transparent electronic banners 100 may be installed at regular intervals (eg, 500 m intervals) corresponding to a specific roadside, and thus, various visual information may be displayed and provided to the user while moving on a specific path.

According to an embodiment of the present invention, the method for providing visual information using a transparent electronic banner may include generating expression control information for controlling each of one or more transparent electronic banners based on environment sensing information (S120).

In various embodiments, a visual information providing method using a transparent electronic banner may include receiving external presentation information from one or more external servers 300 and generating external information expression control information based on the external presentation information. Here, the expression control information may include an LED lighting control signal for controlling a lighting method of a plurality of LED pixels included in the transparent electronic banner 100. Here, the one or more external servers 200 may include servers that store various information such as commercial or public information, and may include, for example, weather information, road traffic situation information, government policy information, and local information for revitalizing the local economy. It may include, but is not limited to, a public institution server for storing public institution servers or an advertisement server for displaying advertisement information.

For example, the server 200 may receive real-time weather information from the Korea Meteorological Administration server, and based on this, may generate an expression control signal to express the current temperature or humidity in numbers. Also, for example, the server 200 may generate an expression control signal for displaying festival information related to the area in which the transparent electronic banner 100 is installed as a picture or text from a local server. For another example, the server 200 may generate an expression control signal from the road traffic server to express accident information occurring near the transparent electronic banner 100 as a picture or text. The detailed description of the above-described external servers and information received from each external server is only an example, and the present invention is not limited thereto.

According to an embodiment of the present invention, the server 200 may generate expression control information based on environment sensing information received from the transparent electronic banner 100. The transparent electronic banner 100 can collect information about the surrounding environment and transmit it to the server 200, and the server 200 analyzes the collected information to generate an expression control signal and transmits it to the transparent electronic banner 100, thereby enabling the transparent electronic banner 100 to display visual information corresponding to the surrounding situation. Accordingly, the user can recognize various surrounding situations (e.g., a pedestrian approaching the road currently being driven, a parking situation in a nearby parking lot, black ice or a fall on the road currently being driven) through visual information displayed on the transparent electronic banner 100. This is because information is displayed by analyzing blind spots, road conditions, or nearby conditions that are difficult for users to identify, thereby preventing safety accidents or enabling quick response to future situations.

Specifically, generating the expression control information may include generating the speed expression control information based on the speed information of the moving object acquired through the speed sensor module and determining whether to express the speed expression control information.

In one embodiment, the step of determining whether to express the speed expression control information may include identifying the speed limit information corresponding to the equipped position of the transparent electronic banner, transmitting the speed expression control information to the transparent electronic banner 100 when the speed information exceeds the speed limit information, and not transmitting the speed expression control information to the transparent electronic banner when the speed information is less than or equal to the speed limit information.

That is, the server 200 identifies the speed limit information related to the location where each transparent electronic banner is provided, and at the location where each transparent electronic banner is provided, the speed expression control information can be transmitted to the transparent electronic banner 100 so that visual information related to the speed can be expressed on the transparent electronic banner when an object (eg, vehicle) is detected moving through the speed information faster than the speed limit information. Accordingly, the transparent electronic banner 100 expresses visual information about the speed in response to a situation in which an object moving in excess of the speed limit corresponding to the provided area is detected. For example, when the moving speed of a specific object is below the speed limit, the transparent electronic banner 100 displays visual information (e.g., weather information, road traffic situation information, government policy information, regional information for revitalizing the local economy) corresponding to external information expression control information.

According to one embodiment, the transparent electronic banner may be characterized in that the speed expression control information is reflected and expressed with priority over the external information expression control information. For example, the transparent electronic banner 100 is generated based on various externally displayed information (e.g., weather information, road traffic information, advertisement information, etc.) received from the external server 200 in normal times. Visual information corresponding to the control information may be displayed. That is, in a situation where commercial information or various public information is displayed, when the moving speed of a specific object exceeds the speed limit in the area, the server 200 generates speed expression control information and transmits it to the transparent electronic banner 100. In this case, the transparent electronic banner 100 may express visual information by preferentially reflecting the speed expression control information rather than the external information expression control information. That is, the transparent electronic banner 100 may preferentially express speed information requiring attention rather than public information.

Also, in an embodiment, the server 200 may control visual information displayed on the transparent electronic banner 100 through analysis of image information obtained from the transparent electronic banner 100 in real time. The server 200 may perform AI (Artificial Intelligence) vision recognition on real-time image information. The server 200 can detect that an abnormal situation has occurred in the surrounding area from real-time image information, and can cause the transparent electronic banner 100 to display corresponding visual information.

Specifically, generating the expression control information may include generating attention expression control information based on one or more image information and transmitting the attention expression control information to a transparent electronic banner.

For example, the server 200 analyzes image information to generate dense state information indicating that a large number of people are gathered (or parking information in a nearby parking lot), and attention expression control information based on the dense state information. Can be generated. In this case, the generated attention expression control information may include information for turning on an LED pixel to indicate information that a large number of people are gathered in a nearby area in a text form. In addition, the server 200 may transmit the generated attention expression control information to the transparent electronic banner.

For another example, the server 200 may analyze image information to generate pedestrian detection information indicating that a pedestrian along a national road is approaching, and generate attention expression control information based on the pedestrian detection information. In this case, the generated attention expression control information may include information for turning on an LED pixel to indicate information that a pedestrian is approaching from the right in a text form. In various embodiments, the server 200 may generate attention expression control information corresponding to an abnormality type (fall, accident occurrence, etc.) by analyzing various image information in addition to generating attention expression control information.

In one embodiment, the transparent electronic banner 100 may be characterized in that the attention expression control information is first reflected and expressed. That is, the transparent electronic banner 100 may express visual information by preferentially reflecting information analyzed in real time in relation to the area where the transparent electronic banner 100 is installed. For example, the transparent electronic banner 100 preferentially reflects attention expression control information over external information expression control information related to public information (eg, nearby festival information) or speed expression control information related to speed information to display visual information. This is to preferentially reflect visual information corresponding to the detection of abnormal types analyzed through real-time images, and can provide an effect of preventing life safety accidents in advance.

According to an embodiment, the generating of the attention expression control information based on one or more pieces of image information may include identifying one or more first objects related to movement of the first area, identifying one or more second objects different from the first object, and generating the attention expression control information based on at least one of the movement, movement path, and identified number of one or more second objects.

In detail, the server 200 may identify one or more first objects related to movement of the first area based on image information received from the camera module 140 . For example, movement in the first area may mean moving on a road, and a first object moving in the first area may mean a vehicle. That is, the server 200 may identify vehicles driving on the road from image information acquired in real time.

Also, the server 200 may identify one or more second objects different from the first object. Here, the second object means an object other than the first object, and may include, for example, various objects such as a pedestrian, a fall, and an animal, but is not limited thereto. The server 200 may identify a first object related to the vehicle and a second object other than the vehicle from the image information.

For a specific example, referring to FIG. 18 , the server 200 may acquire real-time image information through the camera module 140 of the transparent electronic banner 100. The server 200 may analyze the image information to identify a first object related to movement in the first area, that is, the vehicle 10a, and may identify a second object different from the first object, that is, a pedestrian 10b. The server 200 may detect that a pedestrian approaches the driving direction of the vehicle 10a and generate attention expression control information. In this case, the attention expression control information may include information for turning on an LED pixel to indicate information that a pedestrian is approaching from the right in a text form. In addition, the server 200 may deliver the generated caution expression control information to the transparent electronic banner 100. The transparent electronic banner 100 controls the LED pixels of the transparent display unit 110 based on the attention expression control information received from the server 200 to express visual information. Accordingly, a user riding the vehicle 10a can recognize a pedestrian through visual information (ie, text information related to 'a pedestrian approaching from the right') displayed on the transparent display unit 110, and thus an accident can be prevented.

For another example, referring to FIG. 19, the server 200 is related to the second location through the second camera module 140-2 of the second transparent electronic banner 100-2 installed at the second location. Real-time image information can be obtained. The server 200 may analyze the corresponding image information to identify that a specific object (eg, a falling rock 10c) exists on the moving path of the vehicle 10a, and may generate attention expression control information based on this. In this case, the warning expression control information may include information for turning on an LED pixel in order to display information about the presence of the rockfall 10c on the road ahead in the form of text. In addition, the server 200 may transmit the generated caution expression information to each of the second transparent electronic banner 100-2 and the first transparent electronic banner 100-1 provided in close proximity to the second transparent electronic banner 100-2. As shown in FIG. 19 , the first transparent electronic banner 100-1 may be installed before the second transparent electronic banner 100-2 provided at the second location where the rock falls. In this case, the first transparent electronic banner 100-1 may display visual information "fall occurs about 50 m ahead", and the second transparent electronic banner 100-2 may display visual information "fall occurrence rate deceleration". That is, the server 200 does not only control the visual display of the transparent electronic banner corresponding to the area where the abnormal situation is detected, but also displays visual information related to the abnormal situation on the transparent electronic banner in the area adjacent to the area where the abnormal situation is detected. Through this, the user can more quickly detect an abnormal situation by sequentially referring to the transparent electronic banners formed at regular intervals during the driving process, and can perform appropriate responses accordingly.

In particular, since visual information displayed based on analysis information on the surrounding blind spots is provided through a transparent electronic banner on a curved road where visibility is limited or at night, safety accidents can be prevented. A detailed description of the aforementioned attention expression control information is only an example, and the present invention is not limited thereto.

According to one embodiment of the present invention, the visual information providing method using the transparent electronic banner may include transmitting the expression control information to each transparent electronic banner (S130).

As described above, the server 200 may generate expression control information based on at least one of external expression information received from the external server 200 or environment sensing information received from the transparent electronic banner 100 . Accordingly, the transparent electronic banner 100 controls the lighting of a plurality of LED pixels based on the expression control information received from the server 200 to express visual information.

That is, the transparent electronic banner 100 can collect information about the surrounding environment and transmit it to the server 200, and the server 200 analyzes the collected information to generate an expression control signal, and transmits it to the transparent electronic banner 100, so that visual information corresponding to the surrounding situation can be expressed through the transparent electronic banner 100. Accordingly, the user can recognize various surrounding situations (e.g., a pedestrian approaching the road currently being driven, a parking situation in a nearby parking lot, black ice or a fall on the road currently being driven) through visual information displayed on the transparent electronic banner 100. Since information is displayed by analyzing blind spots, road conditions, or nearby conditions that are difficult for users to identify, it has the advantage of preventing safety accidents or enabling quick response to future situations.

In various embodiments, the server 200 may determine whether a user exists around the transparent electronic banner 100, and based on this, determine whether or not to display visual information on the transparent electronic banner 100.

More specifically, a visual information providing method using a transparent electronic banner may include the step of determining whether a moving object exists based on the illuminance information received from the transparent electronic banner 100, and the step of stopping the transmission of the expression control information to the transparent electronic banner when it is determined that the moving object does not exist in correspondence to the provided area of the transparent electronic banner 100.

In detail, the server 200 may control the display of the transparent electronic banner 100 based on the illuminance information detected through the illuminance sensor module 150 of the transparent electronic banner 100. This is to minimize the use of energy by preventing the transparent electronic banner 100 from displaying visual information during the night time when the user's movement is low. That is, when a certain or higher level of illumination is not sensed through the illuminance sensor module 150, it is determined that no user exists in a nearby area and visual information may not be displayed on the transparent electronic banner 100. For example, when a user gets on and moves in a vehicle, the illuminance sensor module 150 may detect light corresponding to the headlight of the vehicle. Conversely, when a certain level of illuminance is detected through the illuminance sensor module 150, it is determined that a user exists in a nearby area and visual information can be displayed on the transparent electronic banner 100. That is, it is possible to determine whether a user exists in a nearby area based on the illuminance information detected through the illuminance sensor module 150, and based on this, whether or not to display visual information on the transparent electronic banner 100 can be determined. Through this configuration, since the transparent electronic banner 100 can display visual information only when necessary (ie, only when users are present in the surrounding area), wasted power consumption can be minimized.

Steps of a method or algorithm described in connection with an embodiment of the present invention may be implemented directly in hardware, implemented in a software module executed by hardware, or implemented by a combination thereof. A software module may reside in random access memory (RAM), read only memory (ROM), erasable programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), flash memory, a hard disk, a removable disk, a CD-ROM, or any other form of computer-readable recording medium well known in the art.

Components of the present invention may be implemented as a program (or application) to be executed in combination with a computer, which is hardware, and stored in a medium. Components of the present invention may be implemented as software programming or software elements, and similarly, an embodiment may be implemented in a programming or scripting language such as C, C++, Java, assembler, etc., including various algorithms implemented as data structures, processes, routines, or combinations of other programming constructs. Functional aspects may be implemented in an algorithm running on one or more processors.

Those skilled in the art will appreciate that the various illustrative logical blocks, modules, processors, means, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented by electronic hardware, various forms of program or design code (referred to herein, for convenience, as “software”), or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends on the particular application and the design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

Various embodiments presented herein may be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques. The term "article of manufacture" includes a computer program, carrier, or media accessible from any computer-readable device. For example, computer-readable media include, but are not limited to, magnetic storage devices (e.g., hard disks, floppy disks, magnetic strips, etc.), optical disks (e.g., CDs, DVDs, etc.), smart cards, and flash memory devices (e.g., EEPROMs, cards, sticks, key drives, etc.). Additionally, various storage media presented herein include one or more devices and/or other machine-readable media for storing information. The term “machine-readable medium” includes, but is not limited to, wireless channels and various other media that can store, hold, and/or convey instruction(s) and/or data.

It is to be understood that the specific order or hierarchy of steps in the processes presented is an example of example approaches. Based upon design priorities, it is to be understood that the specific order or hierarchy of steps in the processes may be rearranged while remaining within the scope of the present invention. The accompanying method claims present elements of the various steps in a sample order, but are not meant to be limited to the specific order or hierarchy presented.

The description of the presented embodiments is provided to enable any person skilled in the art to use or practice the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments without departing from the scope of the present invention. Thus, the present invention is not to be limited to the embodiments presented herein, but is to be construed in the widest scope consistent with the principles and novel features presented herein.

Claims (25)

A method performed on one or more processors of a computing device, comprising:
Receiving environmental sensing information from each of one or more transparent electronic banners;
generating expression control information for controlling each of the one or more transparent electronic banners based on the environment sensing information; and
Transmitting the expression control information to each of the transparent electronic banners;
Including,
The expression control information,
It includes an LED lighting control signal for controlling a lighting method of a plurality of LED pixels included in the transparent electronic banner,
The transparent electronic banner,
A transparent display unit including a plurality of LED pixels;
a power supply unit supplying electric energy to the transparent display unit;
a speed sensor module that obtains speed sensing information corresponding to the movement of the moving object; and
one or more camera modules for obtaining one or more image information related to the area of the transparent electronic banner; Including,
The step of generating the expression control information,
generating attention expression control information based on the one or more pieces of image information; and
Transmitting the attention expression control information to the transparent electronic banner; Including more,
The transparent electronic banner,
Characterized in that the attention expression control information is reflected and expressed as the highest priority,
Generating attention expression control information based on the one or more image information,
identifying one or more first objects related to movement of the first area;
identifying at least one second object different from the first object; and
generating the attention expression control information based on at least one of movement, movement path, and identification number of the one or more second objects; including,
A method for providing visual information using a transparent electronic banner.
delete According to claim 1,
The transparent display unit,
glass membrane;
one or more light emitting modules provided inside the glass film and including at least one LED pixel;
a transparent electrode connecting the light emitting module; and
a bonding material for fixing the light emitting module;
Including,
Characterized in that each of the one or more light emitting modules is provided with an individual controller, so that individual lighting control is possible.
A method for providing visual information using a transparent electronic banner.
According to claim 1,
The transparent display unit,
A control board including one or more input terminals that can be connected to external devices; Including more,
Characterized in that it is provided to be able to communicate with an external server through MQTT (Message Queuing Telemetry Transport) protocol,
A method for providing visual information using a transparent electronic banner.
According to claim 1,
The power supply unit,
It includes a solar cell that converts light energy into electrical energy,
The solar cell,
As it is implemented through a dye-sensitized solar cell (DSSC, Dye Sensitized Solar Cell), it is characterized by having transparency,
A method for providing visual information using a transparent electronic banner.
According to claim 1,
The method,
Receiving externally expressed information from one or more external servers; and
generating external information expression control information based on the external expression information;
including,
A method for providing visual information using a transparent electronic banner.
According to claim 1,
The step of generating the expression control information,
generating speed expression control information based on the speed information of the moving object acquired through the speed sensor module; and
determining whether to express the speed expression control information;
Including more,
A method for providing visual information using a transparent electronic banner.
According to claim 7,
The step of determining whether to express the speed expression control information,
Identifying speed limit information corresponding to the equipped position of the transparent electronic banner;
transmitting the speed expression control information to the transparent electronic banner when the speed information exceeds the speed limit information; and
not transmitting the speed expression control information to the transparent electronic banner when the speed information is equal to or less than the speed limit information;
Including,
The transparent electronic banner,
Characterized in that the speed expression control information is reflected and expressed with priority over external information expression control information.
A method for providing visual information using a transparent electronic banner.
delete delete According to claim 1,
The transparent electronic banner,
An illuminance sensor module that acquires illuminance information; Including more,
The method,
Generating a brightness control signal related to the brightness of a plurality of LED pixels included in each transparent electronic banner based on the illuminance information obtained from each transparent electronic banner;
Including more,
A method for providing visual information using a transparent electronic banner.
According to claim 11,
The method,
determining whether a moving object exists based on illuminance information received from the transparent electronic banner; and
stopping transmission of the expression control information to the transparent electronic banner when it is determined that there is no moving object corresponding to the equipped area of the transparent electronic banner;
including,
A method for providing visual information using a transparent electronic banner.
a memory that stores one or more instructions; and
a processor to execute the one or more instructions stored in the memory;
By executing the one or more instructions, the processor:
A server performing the method of claim 1 .
A computer program stored in a computer-readable recording medium to be combined with a computer, which is hardware, to perform the method of claim 1.
In a transparent electronic banner that provides visual information,
A transparent display unit including a plurality of LED pixels;
a power supply unit supplying electric energy to the transparent display unit;
a speed sensor module that obtains speed sensing information corresponding to the movement of the moving object; and
one or more camera modules for obtaining one or more image information related to the area of the transparent electronic banner;
Including,
The transparent display unit,
glass membrane;
one or more light emitting modules provided inside the glass film and including at least one LED pixel;
a transparent electrode connecting the light emitting module; and
a bonding material for fixing the light emitting module; including,
As each of the one or more light emitting modules is provided with an individual controller, it is characterized in that individual lighting control is possible,
The power supply unit,
It is configured to have transparency through a dye-sensitized solar cell (DSSC, Dye Sensitized Solar Cell), and is characterized by converting light energy into the electrical energy,
The dye-sensitized solar cell,
A battery glass film, a photoelectrode provided between the battery glass film and having a transparent dye adsorbed on a semiconductor oxide, a counter electrode bonded to the photoelectrode, and an electrolyte provided between the battery glass film,
A transparent electronic banner that provides visual information.
delete delete According to claim 15,
Each of the one or more light emitting modules,
in the form of a monolithic module containing one LED pixel; and
Combined module type including a plurality of LED pixels;
Characterized in that it is implemented through at least one form of,
A transparent electronic banner that provides visual information.
According to claim 18,
The combined module form,
Including at least one of a strip form and a wire mesh form,
A transparent electronic banner that provides visual information.
According to claim 15,
The one or more light emitting modules,
Characterized in that it is provided in a film type,
A transparent electronic banner that provides visual information.
delete According to claim 15,
The transparent electronic banner,
An illuminance sensor module that acquires illuminance information; and
a control module controlling the plurality of LED pixels based on information obtained through the speed sensor module, the at least one camera module, and the illuminance sensor module;
Including more,
Characterized in that the control module generates a brightness control signal related to the brightness of the plurality of LED pixels based on the illuminance information.
A transparent electronic banner that provides visual information.
According to claim 15,
The transparent electronic banner,
Characterized in that it is produced through a method of forming the transparent display unit and the dye-sensitized solar cell respectively corresponding to the first and second surfaces of the glass film,
A transparent electronic banner that provides visual information.
According to claim 23,
The method of forming the transparent display unit and the dye-sensitized solar cell, respectively, corresponding to the first and second surfaces of the glass film,
providing an LED module and a DSSC module on each of the first surface and the second surface;
providing a protective film on a surface corresponding to the first surface;
Performing TiO ₂ coating corresponding to the second surface;
sintering the TiO ₂ to form a photo electrode;
attaching a protector to a surface corresponding to the first surface after the photoelectrode is formed;
adsorbing a dye on the surface of the photoelectrode;
bonding a counter electrode to the photoelectrode;
mounting one or more light emitting modules corresponding to the first surface after bonding of the counter electrode is completed; and
performing sealing by injecting an electrolyte layer corresponding to the second surface after the mounting of the at least one light emitting module is completed;
including,
A transparent electronic banner that provides visual information.
The method of claim 24,
The protective film,
Characterized in that it is provided to protect the surface of the transparent display unit and is removed before forming the photoelectrode.
A transparent electronic banner that provides visual information.

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