KR100772632B1 - A signboard using led module - Google Patents

A signboard using led module Download PDF

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Publication number
KR100772632B1
KR100772632B1 KR1020070035637A KR20070035637A KR100772632B1 KR 100772632 B1 KR100772632 B1 KR 100772632B1 KR 1020070035637 A KR1020070035637 A KR 1020070035637A KR 20070035637 A KR20070035637 A KR 20070035637A KR 100772632 B1 KR100772632 B1 KR 100772632B1
Authority
KR
South Korea
Prior art keywords
led module
base plate
led
signboard
base
Prior art date
Application number
KR1020070035637A
Other languages
Korean (ko)
Inventor
안기대
Original Assignee
안기대
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 안기대 filed Critical 안기대
Priority to KR1020070035637A priority Critical patent/KR100772632B1/en
Application granted granted Critical
Publication of KR100772632B1 publication Critical patent/KR100772632B1/en

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/20Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026Video wall, i.e. stackable semiconductor matrix display modules
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/20Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00Illumination
    • Y10S362/80Light emitting diode

Abstract

The present invention relates to a signboard using the LED module, the signboard using the LED module according to the present invention, the base light plate which is provided with a plurality of LED modules on the front spaced apart at regular intervals; A base plate cover covering the front part of the base plate and fixedly coupled to the base plate; Opaque sheet paper is attached to the entire front portion of the base plate cover to block the light emitted from the LED module; Acrylic member attached to the front portion of the opaque sheet paper, three-dimensional characters, three-dimensional figure or three-dimensional symbol shape; And transparent sheet paper attached to the front surface of the acrylic member to transmit light emitted from the LED module.
According to the signboard using the LED module according to the present invention as described above, due to the simple assembly form of the base plate and the base plate cover, it is easy to change the status just by replacing the base plate cover, it is possible to express various and free advertising on the base plate cover There is an advantage.

Description

Signboard using LED module

Figure 1 (a) is a perspective view showing the configuration of a signboard using the LED module according to an embodiment of the present invention,

Figure 1 (b) is a side view showing the configuration of the signboard using the LED module according to an embodiment of the present invention,

2 to 8 is an explanatory diagram showing the arrangement of the LED module of the signboard using the LED module of the present invention,

9 is an explanatory view showing a state in which the base plate cover is coupled to the base plate of the signboard using the LED module of the present invention;

Figure 10 (a) is an explanatory view showing the shape of the acrylic member of the signboard using the LED module of the present invention,

Figure 10 (b) is a side view showing the attachment state of the acrylic member of the signboard using the LED module of the present invention,

Figure 11 (a) is a perspective view showing the configuration of a signboard using an LED module according to another embodiment of the present invention,

Figure 11 (b) is a side view showing the configuration of a signboard using the LED module according to another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100: base light plate 200: base light plate cover

300: opaque sheet 400: acrylic member

410: protrusion 420: inclined surface

500: transparent sheet 600: LED module

610: LED

The present invention relates to a signboard using an LED module, and more specifically, due to the simple assembly form of the base plate and the base plate cover, it is easy to change the business status only by replacing the base plate cover, and various and free advertisement expressions on the base plate cover. It relates to a signboard using a possible LED module.

Generally, a signboard refers to a plate that is arranged so that a plurality of light bulbs are arranged in a plane and a picture or a letter is expressed through electric current. Conventionally, a signboard is displayed at night by using a fluorescent lamp or a neon, and thus high power consumption, and a fluorescent lamp Or frequent replacement is required due to the short life of the neon, there is a problem that is difficult to maintain, because the entire fluorescent lamp must be replaced when a defect occurs.

In addition, there is a problem that it is difficult to express various advertisements of the signage by irradiating uniform light due to the uniform arrangement of fluorescent or neon.

In addition, there is a problem that it is not easy to ensure the explicitness of three-dimensional characters, three-dimensional figures, or three-dimensional symbols formed on the sign due to the reflection of light at night.

The present invention has been made to solve the above-described problems, the object of the present invention is easy to change the status simply by replacing the base plate cover due to the easy assembly form of the base plate and the base plate cover, various and free advertising expression on the base plate cover This is to provide a signboard using the available LED module.

In addition, by displaying a signboard at night using a semi-permanent lifespan and low power consumption LED module composed of a variety of arrangements, it is to provide a signboard using an LED module that is easy to replace and maintain in case of failure.

In addition, by forming an acrylic member of a three-dimensional letter, three-dimensional figure or three-dimensional symbol shape to be inclined upward from the bottom surface, to provide a signboard using an LED module that is easy to secure the clarity according to the angle.

In order to solve the above problems, a signboard using the LED module according to the present invention includes: a base board configured to be spaced apart from each other by an LED module composed of a plurality of LEDs on a front surface thereof; A base plate cover covering the front part of the base plate and fixedly coupled to the base plate; Opaque sheet paper is attached to the entire front portion of the base plate cover to block the light emitted from the LED module; Acrylic member attached to the front portion of the opaque sheet paper, three-dimensional characters, three-dimensional figure or three-dimensional symbol shape; And transparent sheet paper attached to the front surface of the acrylic member to transmit light emitted from the LED module.

In addition, the base panel is installed in a spaced apart LED module consisting of a plurality of LEDs on the front; A base plate cover covering the front part of the base plate and fixedly coupled to the base plate; Transparent sheet paper that is attached to the entire front of the base plate cover to transmit the light emitted from the LED module; Acrylic member attached to the front portion of the transparent sheet, three-dimensional characters, three-dimensional figure or three-dimensional symbol shape; And an opaque sheet paper attached to the front surface of the acrylic member to block the light emitted from the LED module.

In addition, the LED module is characterized in that the plurality of LED modules are arranged in a "-" shape spaced apart at regular intervals in the horizontal direction over the top, center and bottom of the base light plate.

In addition, the LED module is characterized in that the plurality of LED modules in a horizontal direction from the upper portion to the center portion and the lower portion to the central portion of the base panel is spaced apart at regular intervals arranged in a diagonal.

In addition, the LED module has four LED modules arranged in a cross shape at the center of the base light plate, a plurality of LED modules are arranged in an "l" shape at regular intervals in the horizontal direction on both sides of the center, the upper and lower In the plurality of LED modules are arranged in a diagonal form spaced apart at regular intervals so that the left and right are opposed to each other centered around the central portion, the four LED modules are arranged to face each other between the cross-shaped LED module. .

In addition, the LED module is characterized in that the four LED modules are arranged in a cross shape at the center of the base plate, and the plurality of LED modules are arranged around the cross-shaped LED module.

In addition, the LED module is characterized in that a plurality of spaced apart at regular intervals in the horizontal direction over the top, the center and the bottom of the base light plate is arranged in an "x" shape.

In addition, the LED module is characterized in that a plurality of spaced apart at regular intervals in the horizontal direction over the top, center and bottom of the base light plate is arranged in a rhombus shape.

In addition, the LED module is characterized in that arranged in a plurality of spaced apart a predetermined interval on the top, bottom and both sides of the base light plate.

In addition, the acrylic member is characterized in that the three-dimensional characters, three-dimensional figure or three-dimensional symbol shape to form an inclined surface in the vertical direction from the bottom surface to the top.

Hereinafter, the present invention will be described in detail with reference to the drawings. Like reference numerals in the drawings denote like elements.

1 is a perspective view and a side view showing the configuration of a signboard using the LED module according to a preferred embodiment of the present invention, Figures 2 to 8 are explanatory views showing the arrangement of the LED module of the signboard using the LED module of the present invention.

9 is an explanatory view showing a state in which the base plate cover is coupled to the base plate of the signboard using the LED module of the present invention, Figure 10 is a view showing the shape and attachment state of the acrylic member of the signboard using the LED module of the present invention. It is also.

1 to 10, the signboard using the LED module according to a preferred embodiment of the present invention is the base plate 100, the base plate cover 200, opaque sheet paper 300, acrylic member 400, transparent sheet paper ( 500).

The base light plate 100 is attached to the wall of the building, and a plurality of LEDs 610 are installed at the front part so that the advertisement contents including the trade mark to be expressed can be checked from the outside at night.

The LED 610 is preferably two to six LED 610 is formed of one LED module 600 is installed spaced apart at a predetermined interval on the base light plate (100).

As shown in FIG. 2, the LED module 600 is simply a plurality of LED modules 600 spaced apart at regular intervals in a horizontal direction across the upper, center and lower portions of the base light emitting plate 100. It is also possible to be arranged in a shape, as shown in Figure 3, a plurality of LED modules 600 in a horizontal direction in the horizontal direction from the upper portion to the central portion and the lower portion to the central portion of the base light plate 100 in a diagonal manner It is also possible to arrange.

Preferably, the LED module 600 may be evenly sprayed on the entire surface of the base plate cover 200 to be described later by using the reflection angle of the light, so as to ensure the clarity from the outside, FIGS. 4 and 5 As shown in the figure, it is preferable that a plurality of LED modules 600 are wrapped around the cross-shaped LED module 600 formed at the center of the base light plate 100.

Hereinafter, with reference to Figures 4 and 5 will be described the LED module arrangement of the signboard using the LED module of the present invention.

First, referring to Figure 4, the LED module arrangement method of the signboard using the LED module of the present invention is arranged in the cross-shaped four LED module 600 consisting of four LED 610 in the center of the base light plate 100 A plurality of LED modules 600 composed of four LEDs 610 on both sides of the center are arranged in an "l" shape at regular intervals in a horizontal direction, and a plurality of LEDs 610 consisting of four LEDs on the top and bottom thereof. The LED module 600 is arranged diagonally spaced apart at regular intervals such that the left and right sides are opposed to each other with respect to the center portion. At this time, four LED modules 600 consisting of two LEDs 600 are arranged between the LED modules 600 arranged in a cross shape, and four LED modules 600 consisting of the two LEDs 600. The LED module 600 located in the diagonal direction is preferably arranged to face each other.

Next, referring to FIG. 5, the LED module arrangement method of the signboard using the LED module of the present invention has four LED modules 600 composed of two LEDs 610 at the center of the base light panel 100 in a cross shape. Arranged, the plurality of LED module 600 consisting of two LEDs 610 on both sides of the central portion is arranged in an "l" shape spaced apart at regular intervals in the horizontal direction, the plurality of LEDs 610 consisting of the upper and lower LED modules 600 are arranged in a diagonal form spaced apart at regular intervals such that the left and right sides face each other with respect to the center portion. At this time, the plurality of LED modules 600 located in the center is preferably arranged in a circular shape to surround the LED module 600 arranged in the cross shape.

In addition, the LED module 600, as shown in Figure 6 and 7, a plurality of spaced apart at regular intervals in the horizontal direction over the top, the center and the bottom of the base light plate 100 in the "x" shape or rhombus It is also possible to arrange.

On the other hand, the LED module 600 is a signboard using the LED module of the present invention is not attached to the wall surface is formed from the bottom surface or the upper side, or is formed on the wall spaced apart through the fixing means to check the advertisement on both sides As shown in FIG. 8, it is preferable that a plurality of the plurality of substrates are arranged in a straight line at a predetermined interval on the top, bottom and both sides of the base light plate 100.

The base plate cover 200 is coupled to cover the front portion of the base plate 100 to protect the LED module 600 installed in the base plate 100, and at the same time is attached to the advertising content including each other. It is composed of a wide plate to be possible, it is fixed through the fixing means on the side to facilitate the detachable from the base light plate 100, it is possible to simply fix through the piece 210 coupling.

The base plate cover 200 is easy to attach and detach from the base plate 100, it is characterized in that it is possible to replace only the base plate cover 200 when a change of business conditions is required.

In addition, the front portion of the base plate cover 200 is preferably made of a transparent material so that the light emitted from the LED module 600 can be transmitted.

The opaque sheet 300 is attached to the entire front portion of the base plate cover 200 to block the light emitted from the LED module 600, the corresponding portion in order to display the advertising content including each other After deodorizing, the acrylic member 400 to be described later is attached to the deodorizing portion. Because of this, the light emitted from the LED module 600 is transmitted to the outside through the acrylic member 400 to be identified from the outside.

The acrylic member 400 is attached to the front portion of the opaque sheet 300 to represent the advertising content including the mutual, it is simply possible to simply consist of a three-dimensional letter, three-dimensional diagram type or three-dimensional symbol shape As shown in FIG. 9, a protrusion 410 vertically protrudes from the bottom surface to an upper portion is formed to facilitate clarity according to an angle, and an inclined surface 420 inward from an end of the protrusion 410. It is preferable to form a three-dimensional letter, three-dimensional figure or three-dimensional symbol shape to form a.

In detail, the acrylic member 400 is attached to the deodorized portion of the front portion of the opaque sheet 300 according to the shape of the acrylic member 400.

The transparent sheet 500 is attached to the front portion of the acrylic member 400 serves to transmit the light emitted from the LED module 600 to the outside.

In the above, the signboard using the LED module according to the preferred embodiment of the present invention in which light is transmitted through the acrylic member 400 among the signboards using the LED module 600 has been described.

Hereinafter, a signboard using an LED module according to another embodiment of the present invention will be described with reference to FIGS. 11A and 11B.

Figure 11 (a) is a perspective view showing the configuration of the signboard using the LED module according to another embodiment of the present invention, Figure 11 (b) is a configuration of the signboard using the LED module according to another embodiment of the present invention The side view shown.

Referring to Figure 11 (a), 11 (b), the signboard using the LED module according to another embodiment of the present invention is not a base of light transmission through the acrylic member 400 described in the preferred embodiment of the present invention As light is transmitted through the light plate cover 200, the attachment position of the opaque sheet 300 and the transparent sheet 500 is changed.

The signboard using the LED module 600 according to another embodiment of the present invention is a transparent sheet paper 500 is attached to the entire front portion of the base plate cover 200, three-dimensional on the front portion of the transparent sheet paper 500 An acrylic member 400 having a letter, three-dimensional drawing, or three-dimensional symbol shape is attached, and an opaque sheet 300 for blocking light emitted from the LED module 600 is attached to the front surface of the acrylic member 400. As a result, light emitted from the LED module 600 is transmitted through the base plate cover 200, and the acrylic member 400 to which the opaque sheet 300 is attached is naturally visible from the outside due to color contrast. Will be.

As described above, the signboard using the LED module according to the present invention is not formed of a letter through the pixel combination of the LED module 600 made of a complex configuration generally used in the LED display board transparent sheet 500, acrylic member ( 400 and the opaque sheet 300 to transmit the light emitted from the LED module 600 to the outside, it is characterized in that the manufacture of the signage through a simple configuration.

Optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

As described above, according to the present invention, a signboard is displayed at night by using a semi-permanent lifespan and a low power consumption LED module configured in various arrangements, and there is an advantage in that partial replacement and maintenance are easily performed when a defect occurs.

In addition, due to the simple assembly form of the base plate and the base plate cover, it is easy to change the status just by replacing the base plate cover, there is an advantage that can be various and free advertising expression on the base plate cover.

In addition, by forming a three-dimensional letter, three-dimensional figure or three-dimensional symbol-shaped acrylic member to be inclined upward from the bottom surface, there is an advantage that it is easy to ensure the clarity according to the angle.

Claims (10)

  1. A base light plate on which a plurality of LED modules are horizontally spaced over a front upper portion, a center portion, and a lower portion thereof, the LED modules being arranged in a "-" shape;
    A base plate cover covering the front part of the base plate and fixedly coupled to the base plate;
    Opaque sheet paper is attached to the entire front portion of the base plate cover to block the light emitted from the LED module;
    Acrylic member attached to the front portion of the opaque sheet paper, three-dimensional characters, three-dimensional figure or three-dimensional symbol shape; And
    And a transparent sheet paper attached to the front part of the acrylic member to transmit the light emitted from the LED module.
  2. A base light plate on which a plurality of LED modules are horizontally spaced over a front upper portion, a center portion, and a lower portion thereof, the LED modules being arranged in a "-" shape;
    A base plate cover covering the front part of the base plate and fixedly coupled to the base plate;
    Transparent sheet paper that is attached to the entire front of the base plate cover to transmit the light emitted from the LED module;
    Acrylic member attached to the front portion of the transparent sheet, three-dimensional characters, three-dimensional figure or three-dimensional symbol shape; And
    And an opaque sheet paper attached to the front surface of the acrylic member to block light emitted from the LED module.
  3. delete
  4. The method according to claim 1 or 2,
    The LED module is a signboard using an LED module, characterized in that a plurality of LED modules in a horizontal direction spaced apart at regular intervals in the horizontal direction from the upper portion to the center portion and the lower portion of the base panel.
  5. The method according to claim 1 or 2,
    In the LED module, four LED modules are arranged in a cross shape at the center of the base light plate, and a plurality of LED modules are arranged in an "l" shape at regular intervals in the horizontal direction on both sides of the central part, and a plurality of upper and lower parts of the LED module are arranged. LED modules are arranged in a diagonal form spaced apart at regular intervals so that the left and right are opposed to each other centered around the central portion, the LED module, characterized in that four LED modules are arranged to face each other between the cross-shaped LED module Used signboard.
  6. The method according to claim 1 or 2,
    The LED module is a signboard using an LED module, characterized in that the four LED modules are arranged in a cross shape at the center of the base panel, the plurality of LED modules are arranged around the cross-shaped LED module.
  7. The method according to claim 1 or 2,
    The LED module is a signboard using an LED module, characterized in that arranged in a plurality of "x" shaped spaced apart at regular intervals in the horizontal direction across the top, center and bottom of the base light plate.
  8. The method according to claim 1 or 2,
    The LED module is a signboard using an LED module, characterized in that arranged in a rhombus spaced apart a predetermined interval in the horizontal direction across the top, center and bottom of the base light plate.
  9. The method according to claim 1 or 2,
    The LED module is a signboard using the LED module, characterized in that arranged in a plurality of spaced apart at a predetermined interval on the top, bottom and both sides of the base panel.
  10. The method according to claim 1 or 2,
    The acrylic member is a sign using an LED module, characterized in that the three-dimensional characters, three-dimensional figure or three-dimensional symbol shape to form a slanted surface in the vertical direction from the bottom to the vertical projection.
KR1020070035637A 2007-04-11 2007-04-11 A signboard using led module KR100772632B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070035637A KR100772632B1 (en) 2007-04-11 2007-04-11 A signboard using led module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070035637A KR100772632B1 (en) 2007-04-11 2007-04-11 A signboard using led module

Publications (1)

Publication Number Publication Date
KR100772632B1 true KR100772632B1 (en) 2007-11-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160084972A (en) 2015-01-07 2016-07-15 (주)글로텍 Sign board
KR102076090B1 (en) * 2019-07-08 2020-02-12 (주)씨엔에스글로벌 Light signboard

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010109997A (en) * 2000-06-05 2001-12-12 권두현 Plate of advertising and intercepting the light
JP2004025058A (en) * 2002-06-26 2004-01-29 Dainippon Screen Mfg Co Ltd Substrate treatment system and method of treating substrate
KR20040010868A (en) * 2002-07-25 2004-02-05 주식회사 인터프로 코리아 A Signboard Device By Rear Lighting
KR20060012970A (en) * 2004-08-05 2006-02-09 양홍석 A signboard using high brightness led
KR20060034676A (en) * 2005-11-10 2006-04-24 오완호 The luminous device using light emitting diodes
KR20060061729A (en) * 2004-12-02 2006-06-08 신동권 Sign-board of show-window model

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010109997A (en) * 2000-06-05 2001-12-12 권두현 Plate of advertising and intercepting the light
JP2004025058A (en) * 2002-06-26 2004-01-29 Dainippon Screen Mfg Co Ltd Substrate treatment system and method of treating substrate
KR20040010868A (en) * 2002-07-25 2004-02-05 주식회사 인터프로 코리아 A Signboard Device By Rear Lighting
KR20060012970A (en) * 2004-08-05 2006-02-09 양홍석 A signboard using high brightness led
KR20060061729A (en) * 2004-12-02 2006-06-08 신동권 Sign-board of show-window model
KR20060034676A (en) * 2005-11-10 2006-04-24 오완호 The luminous device using light emitting diodes

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
국내 공개특허공보 제10-2004-10868호
국내 공개특허공보 제10-2006-12970호
국내 공개특허공보 제10-2006-34676호
국내 공개특허공보 제10-2006-61729호
국내 공개특허공보 특2001-0109997호
국내 등록실용신안공보 제20-0425058호

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160084972A (en) 2015-01-07 2016-07-15 (주)글로텍 Sign board
KR102076090B1 (en) * 2019-07-08 2020-02-12 (주)씨엔에스글로벌 Light signboard

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