KR101021534B1 - Display apparatus for outdoor including protection plate to prevent scattered reflection and method for manufacturing the protection plate - Google Patents

Abstract

The present invention displays a variety of information, such as news, publicity and advertising in the form of a text, picture or video through the display screen implemented with a liquid crystal display (LCD) panel, a plasma display panel (PDP), etc. The present invention relates to an outdoor display device having a protective plate for preventing diffuse reflection of a screen, and a method of manufacturing the protective plate. The present invention provides a tempered glass for generating a protective plate, and coats an anti-reflection (AR) material on the front surface of the tempered glass. Forming a first AR film, to form a nano-coating film by coating a nanomaterial on the entire surface of the first AR film.

Description

Display apparatus for outdoor including protection plate to prevent scattered reflection and method for manufacturing the protection plate}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor display device and a method for manufacturing the same, and particularly, to display various information such as news, publicity and advertisement in the outdoors through a display screen implemented with an LCD (Liquid Crystal Display) panel or a plasma display panel (PDP). The present invention relates to an outdoor display device provided with a protective plate for displaying a character, a picture, an image, or the like and to prevent diffuse reflection of a display screen, and a manufacturing method of the protective plate.

In general, an outdoor display device displays various information, promotions, advertisements, etc. using text, pictures, or images by using a banner or a signboard. However, in the case of the banner, once displayed characters, pictures, etc., it is difficult to modify and change, and usually discards after displaying the characters, pictures, or images in a one-time period. When the banner is used as an outdoor display device, since the banner is used as a one-time device, there is a problem of causing waste of resources and environmental pollution when using and discarding the banner.

In particular, as banners for advertisement and promotion of goods are installed in random places regardless of place, they are damaging the beauty of the surrounding area. In order to prevent the disorderly installation of such banners, the local governments have designated and posted the posting sites and periods. However, there is a limit that does not satisfy the demand of the company that wants to post the banner, as the specified posting place and period is limited.

Due to these limitations, banners are still installed disorderly, and there is a problem in that wasteful costs are generated when considering the costs of manufacturing banners and dismantling banners as well as local governments. In addition, as described above, when discarding the one-time banners installed in an orderly manner, the banners are made of a material that cannot be recycled, and thus, environmentally harmful substances such as dioxins are generated during incineration, causing environmental pollution.

Therefore, there is an absolute need for an outdoor display device that can fundamentally solve waste of resources, economic loss, and environmental pollution caused by using a banner in an outdoor display device.

On the other hand, a display device generally implemented as an LCD panel has been developed in place of the CRT (Cathod Ray Tube) based on the advantages of being light and simple, low voltage driving and low power consumption. In practice, it is used in various fields. In addition, a display device implemented with a PDP realizes high quality, large size, color, and the like, such as an LCD panel, and has been used in various fields.

The display device implemented by such an LCD panel or PDP is mainly installed in a room with little environmental change, and thus is manufactured to be suitable for indoor use. However, when a display device implemented with an LCD panel or a PDP is used as an outdoor display device, there is a problem that a screen displayed with an LCD panel or a PDP is degraded due to an outdoor environment.

In other words, an LCD panel or a PDP is implemented to fundamentally solve the problems caused by using a banner to display various information such as news, publicity and advertisements as text, pictures, or images outdoors. When the display device is used as an outdoor display device, there is a problem in that it is impossible to secure the sharpness of the display screen enlarged by an LCD panel or a PDP from environmental factors such as temperature, humidity, direct sunlight, snow, rain, and dust. have. In particular, a display screen enlarged with an LCD panel or a PDP may cause frost or fog caused by direct sunlight and humidity or steam due to humidity. And there is a problem that can not accurately provide the publicity and advertising.

Accordingly, an object of the present invention is to use a display device implemented with an LCD panel, a PDP, etc. to display an outdoor display device that displays various information, promotions, advertisements, etc. in a character, a picture, or an image, etc., and a diffuse reflection of the outdoor display device. It is to provide a method of manufacturing a protective plate to prevent.

In addition, another object of the present invention is to display a variety of information and promotions and advertisements such as letters, pictures or images in the outdoors through the display device implemented by LCD panel, PDP, etc. An outdoor display device for preventing environmental pollution and a method of manufacturing a protection plate for preventing diffuse reflection of the outdoor display device.

In addition, another object of the present invention is to conveniently manage a device for displaying various information, promotions, and advertisements in text, pictures, or images in the outdoors, and does not damage the aesthetics of the surrounding environment, such as humidity, temperature, And outdoor display apparatuses that display characters, pictures, or images more clearly by minimizing the effects of direct sunlight or ultraviolet rays (i.e., deterioration of the display screen due to diffuse reflection, frost, or laver). Another aspect of the present invention is to provide a method of manufacturing a protective plate for preventing the formation of seaweed.

In order to achieve the above objects, an outdoor display device of one embodiment of the present invention includes a panel assembly implemented with at least one flat panel panel; A protective plate spaced apart from the panel assembly at a predetermined interval and positioned at a front surface of the panel assembly; A housing for fixing the panel assembly and the protection plate, wherein the protection plate comprises: tempered glass protecting the panel assembly; A first anti-reflection (AR) film positioned on the front surface of the tempered glass to prevent diffuse reflection of external light; And a nano coating film positioned on the front surface of the first AR film to prevent adhesion of contaminants.

A method of manufacturing a protective plate for protecting a panel assembly of an outdoor display device according to one embodiment of the present invention includes providing a tempered glass for generating the protective plate; Coating an anti-reflection (AR) material on the entire surface of the tempered glass to form a first AR film; And forming a nano coating film by coating a nano material on the entire surface of the first AR film.

According to the present invention, various information, promotions, and advertisements may be displayed as text, pictures, or images in the outdoors by using an outdoor display device implemented by an LCD panel, a PDP, or the like.

In addition, the present invention is to display a variety of information, promotions and advertisements in the outdoors through a display device implemented by LCD panel, PDP, etc. in the form of letters, pictures or video to waste resources and costs and environmental pollution due to the use of banners You can prevent it.

In addition, the present invention conveniently manages a device that displays a variety of information, publicity and advertising in the outdoors, such as text, pictures or images, and environmentally, such as direct sunlight, snow, rain, dust, etc. without damaging the surrounding beauty Characters, pictures, or images may be displayed more clearly by minimizing the influence of the elements (ie, deterioration of sharpness due to diffuse reflection, frost, or seaweed on the display screen).

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that in the following description, only parts necessary for understanding the operation according to the present invention will be described, and descriptions of other parts will be omitted so as not to distract from the gist of the present invention.

The present invention proposes an outdoor display device having a protective plate for preventing antireflection and a manufacturing method of the protective plate. Here, the outdoor display device according to the present invention to be described later, through the display screen implemented as an LCD (Liquid Crystal Display) panel, a plasma display panel (PDP) to display a variety of information, such as news, publicity, advertising, etc. in the outdoors Or display it as an image. In particular, the outdoor display device according to the present invention minimizes the influence of environmental factors such as direct sunlight, snow, rain, and dust (that is, decreases the sharpness caused by diffuse reflection, frost, or laver on the display screen), and thus, displays characters, pictures, or the like. Various types of film are attached to tempered glass that implements a protective plate to display images more clearly. Next, the outdoor display device according to the exemplary embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an external view schematically illustrating the external appearance of an outdoor display device according to an exemplary embodiment of the present invention, FIG. 2 is a structural diagram schematically showing the structure of the outdoor display device of FIG. 1, and FIG. Part A of FIG. 1 is a diagram illustrating the assembly of the panel assembly in detail.

1 to 3, the outdoor display device 100 is installed based on the support 102 at a location to be installed outdoors, and includes a panel assembly formed by combining a plurality of LCD panels, PDPs, and the like. panel assembly) 110, a protection plate 120 spaced apart from the panel assembly 110 at predetermined intervals to protect the panel assembly 110, and a protection plate 120 positioned in front of the panel assembly 110, and the panel assembly ( 110 and a housing 130 for assembling the protective plate 120 is located inside.

The panel assembly 110 is a combination of a plurality of LCD panels or PDPs arranged in the form of N × M (N and M is a positive integer), the LCD panel or PDP is arranged in various forms to form a multi-display screen Can be. The panel assembly 110 may allow the arranged LCD panel or PDP to display one screen or display two or more screens as screens having various sizes.

In addition, the plurality of LCD panels or the PDPs included in the panel assembly 110 may include coupling grooves on the left and right and up and down so as to be easily coupled by a predetermined bar. More specifically, as shown in FIG. 3, the coupling groove 330 is inserted into the left and right and upper and lower sides of the LCD panel or the PDP 310 so that the bar 320 having a predetermined shape is fitted thereto. As the bar 320 of the predetermined shape is fitted into the coupling groove 330 existing in the plurality of LCD panels or the PDP 310, the plurality of LCD panels or the PDP are easily coupled to the panel assembly ( 110).

The protection plate 120 protects the panel assembly 110 from environmental factors such as direct sunlight, snow, rain, and dust, and maintains the sharpness of the screen displayed by the panel assembly 110. In particular, the protective plate 120 may include a first anti-reflection (AR) film 124 disposed on the front surface of the tempered glass 126, and a nano coating film located on the front surface of the first AR film 124 ( 122, and a second AR film 128 positioned on the rear surface of the tempered glass 126.

The first AR film 124 is formed by coating an AR material on the entire surface of the tempered glass 126 and prevents the sharpness of the screen displayed by the outdoor display device 100 due to diffused reflection of direct sunlight. . In addition, the first AR film 124 may block ultraviolet rays to prevent deformation of the LCD panel or PDP implementing the panel assembly 110, thereby extending the life of the outdoor display device 100. .

The nano coating film 122 is formed by coating a nano material on the entire surface of the first AR film 124 to protect the display screen of the outdoor display device 100 from environmental factors such as snow, rain and dust. do. More specifically, the nano-coating film 122 prevents contaminants such as dust from being attached to the display screen of the outdoor display device 100, and in particular, contaminants attached to the display screen by rain or the like can be easily added. To be removed. Accordingly, the lifespan of the outdoor display device 100 can be extended while maintaining the sharpness of the screen displayed by the outdoor display device 100.

Alternatively, an ultraviolet blocking film may be used instead of the nano-coating film 122. In this case, the ultraviolet blocking film may be exposed to an LCD panel or a PDP that is vulnerable to ultraviolet rays, thereby causing the LCD panel or The life of the PDP can be prevented from being shortened.

The second AR film 128 is formed between the tempered glass 126 and the panel assembly 110, that is, the AR film is attached to the rear surface of the tempered glass 126. In addition, when the panel assembly 110 displays a character, a picture, an image, or the like, the second AR film 128 may display the light of the display screen by the diffuse reflection of the light of the display screen. To prevent reflections. As a result, the sharpness of the display screen is prevented from being lowered by the diffuse reflection of the display screen light of the panel assembly 110.

In addition, the housing 130 includes a heating wire 140 inside the protection plate 120 to prevent condensation, ie, formation of frost or steam, inside and outside the protection plate 120 due to humidity. Here, the hot wire 140 is implemented as a transparent hot wire (eg, a silicon tube hot wire) so as not to affect the display screen, and the hot wire 140 is formed inside the protective plate 120, that is, of the AR film 128. It is located inside. The hot wire 140 is preferably positioned on a junction line to which a plurality of LCD panels or PDPs 310 are bonded, and more particularly, is located below the junction line in consideration of a viewing angle of a user viewing a display screen. In addition, the hot wire 140 may be located only in the horizontal direction on the junction line.

In addition, the housing 130 senses the internal and external humidity and temperature of the housing 130, in particular, the humidity and temperature between the panel assembly 110 and the protection plate 120, and according to the detected humidity and temperature A sensor 150 for driving the heating wire 140 is included. Here, the sensor 150 detects the internal and / or external humidity and temperature of the housing 130, and the internal or external humidity of the housing 130 is higher than a preset threshold humidity, or the temperature is preset threshold. If the temperature is lower than the dew point, the hot wire 140 is driven to prevent condensation, ie, formation of frost or steam, on the inside or outside of the protective plate 120.

In addition, the housing 130 includes a blocking unit 160 to protect the protection plate 120 from an external environment, for example, to block direct sunlight and ultraviolet rays incident to the display screen. Here, the blocking unit 160 is preferably located on the outer upper side of the housing 130 in a form protruding to a predetermined size in order to further improve the effect of direct sunlight and ultraviolet rays.

As described above, the outdoor display device according to the embodiment of the present invention includes a protection plate 120 for preventing diffuse reflection of the display screen, and the protection plate 120 is not only diffused by direct sunlight but also environmentally affected by snow, rain, dust, and the like. Various films are included to prevent sharpness degradation due to the elements. In addition, the outdoor display device senses the internal or external humidity and temperature of the housing 130 through the sensor 150 and drives the heating wire 140 located inside the protection plate 120 to protect the protection plate 120. Condensation of water droplets can be prevented inside and outside the). Next, the operating system of the outdoor display device according to the exemplary embodiment of the present invention will be described in more detail with reference to FIG. 4.

4 is a structural diagram schematically illustrating a structure of an operating system of an outdoor display device according to an exemplary embodiment of the present invention.

Referring to FIG. 4, the operation system includes outdoor display devices 402, 404, 406 for displaying various information such as news and promotions and advertisements in text, pictures, or images, and the outdoor display devices 402, 404, 406. A set top box unit 420 for transmitting a character, a picture, or an image to be displayed, a central control unit 430 for managing and controlling the outdoor display devices 402, 404, and 406, and the outdoor display device. The server 440 generates and provides text, pictures, or images to be displayed in the fields 402, 404, and 406.

The outdoor display devices 402, 404 and 406 are outdoor display devices implemented according to an embodiment of the present invention, and display various information such as news, public information, advertisements, and the like through a display screen implemented with an LCD panel or a PDP. Or an image or the like. As described above, freezing may be prevented through a heating wire, a sensor, or the like, thereby ensuring safety, and maintaining the same sharpness of the display screen.

The set top box unit 420 allows the outdoor display devices 402, 404, 406 to display characters, pictures, or images generated and provided by the server 440, and to manage and control the central controller 430. Accordingly, the outdoor display devices 402, 404, and 406 operate normally.

The central control unit 430 checks and manages and controls the operation states of the outdoor display devices 402, 404, and 406, and centrally manages and controls the failures in the outdoor display devices 402, 404, and 406.

The server 440 may include a data server 442 for storing and managing content such as text, pictures, or images to be displayed through the outdoor display devices 402, 404, and 406, a content server 444 for generating the content, and And a control server 446 for centrally controlling the content generated by the content server 444 to be distributed to and displayed on the outdoor display devices 402, 404, and 406.

As such, the outdoor display devices 402, 404, 406 are centrally managed and controlled by the central controller 430, and text, pictures, or images displayed on the outdoor display devices 402, 404, 406 by the server 440. This can be centrally created and managed to facilitate operations. Next, a manufacturing process of the protective plate in the outdoor display device according to the exemplary embodiment of the present invention will be described with reference to FIG. 5.

5 is a diagram for describing a manufacturing process of a protective plate used in an outdoor display device according to an exemplary embodiment of the present invention.

Referring to FIG. 5, in operation S510, a tempered glass 126 implementing the protective plate 120 is provided. In operation S520, an AR film is attached to the rear surface of the tempered glass 126 to form a second AR film 128 on the protective plate 120.

Then, an AR material is coated on the entire surface of the tempered glass 126 in step S530 to form a first AR film 124, and in step S540, a nano material is coated on the first AR film 124. Film 122 is formed. Here, alternatively, instead of the nano-coating film in S540 may form a sunscreen film. In this case, the forming of the second AR film 128 (step S520) may be performed after forming the first AR film or after forming the nano coating film 122. Next, the heating wire 140 is formed on the rear surface of the second AR film 128 is formed in step S550, wherein the heating wire 140 is preferably formed so as to correspond to the bonding line of a plurality of LCD panels or PDP.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by the equivalents of the claims.

1 is an external view schematically illustrating an external appearance of an outdoor display device according to an exemplary embodiment of the present invention.

FIG. 2 is a structural diagram schematically illustrating a structure of the outdoor display device of FIG. 1. FIG.

3 is a structural diagram specifically showing the panel assembly coupling of FIG.

4 is a structural diagram schematically illustrating a structure of an operating system of an outdoor display device according to an exemplary embodiment of the present invention.

5 is a view for explaining a manufacturing process of the protective plate used in the outdoor display device according to an embodiment of the present invention.

Claims (13)

In the outdoor display device, A panel assembly implemented with at least one flat panel; A protective plate spaced apart from the panel assembly at a predetermined interval and positioned at a front surface of the panel assembly; A housing fixing the panel assembly and the protection plate, The protective plate, Tempered glass protecting the panel assembly; A first anti-reflection (AR) film positioned on the front surface of the tempered glass to prevent diffuse reflection of external light; And And a nano coating film positioned on the front surface of the first AR film to prevent adhesion of contaminants. delete The method of claim 1, The protective plate further includes a second AR film positioned on a rear surface of the tempered glass to prevent diffuse reflection of light of the panel assembly. The method of claim 3, And the protection plate further comprises a heating wire corresponding to a junction line of the at least one flat panel panel and positioned on a rear surface of the second AR film. The method of claim 3, The protective plate is disposed on the back of the second AR film, the outdoor display device further comprises a heating line arranged in the horizontal direction. The method of claim 4, wherein And a temperature sensor configured to detect whether a temperature of at least one of the inside and the outside of the housing is lower than a preset temperature, wherein the hot wire is driven in accordance with a detection result of the temperature sensor. The method of claim 4, wherein And a humidity sensor for detecting whether the humidity of at least one of the inside and the outside of the housing is higher than a predetermined humidity, wherein the hot wire is driven in accordance with a detection result of the humidity sensor. The method of claim 1, The display device of claim 1, further comprising a blocking part disposed on the housing to prevent incidence of direct sunlight. A method of manufacturing a protective plate for protecting a panel assembly of an outdoor display device, Providing tempered glass for producing the protective plate; Coating an anti-reflection (AR) material on the entire surface of the tempered glass to form a first AR film; And Method of manufacturing a protective plate comprising the step of forming a nano-coating film by coating a nano-material on the front of the first AR film. delete 10. The method of claim 9, And attaching an AR film to a rear surface of the tempered glass to form a second AR film. The method of claim 11, And forming a hot wire corresponding to a junction line of at least one flat panel panel implementing the panel assembly and positioned at a rear surface of the tempered glass. 10. The method of claim 9, The protective plate manufacturing method further comprises the step of forming a hot wire in the transverse direction on the tempered glass back.

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