KR20070096340A - A lighting block using back light unit - Google Patents

Abstract

A light emitting block using a backlight unit is provided to implement high-quality image by using a backlight unit having excellent waterproof and light emission functions. A base block(10) includes an insertion space(11) recessed for installation of a light emitting sub-block thereon, and a through hole(13) through which a cable passes downwardly from the insertion space. A light emitting sub-block(20) is installed in the insertion space of the base block to have a surface height corresponding to a height of an upper surface of the base block. The light emitting sub-block includes a backlight unit, a light transmitting protection plate stacked on the backlight unit, a covering member having reflection/waterproof and coupling functions and surrounding the backlight unit and the light transmitting plate for coupling therebetween. The backlight unit includes a light guide plate having a plurality of V grooves, an uneven dot, a printing dot or a sanding uneven portion in one surface or acting as a light transmitting late, a printed circuit board(PCB) mounted at a front end portion of the light guide plate, a light emission unit including light emitting diode (LED) lamps consecutively installed on the PCB, a frame or heat release plate releasing heat of the LED lamp and supporting the PCB, and a reflective sheet provided at the other surface of the heat release plate or the light guide plate.

Description

Light emitting block using backlight unit {A LIGHTING BLOCK USING BACK LIGHT UNIT}

1A is a partial cutaway rear view of a backlight unit of the prior art by the present applicant

FIG. 1B is a partial detailed cross-sectional view taken along line A-A of FIG. 1A

Figure 1c is a partial detailed cross-sectional view of the backlight unit of an embodiment of the prior art

Figure 1d is a partial detailed cross-sectional view of the backlight unit of an embodiment of the prior art

Figure 2 is an exploded perspective view of one embodiment according to the present invention

3 is a perspective view of the combination of FIG.

4 is a longitudinal cross-sectional view of FIG.

5 is a detailed cross-sectional view of portion B of FIG.

* Explanation of symbols for the main parts of the drawings

1: Light emitting block using backlight unit of the present invention

10: Base block 11: Insertion space 13: Through hole

15: wiring groove 20: light emitting sub-block 21: backlight unit

211: Light guide plate 212: Light emitting means 213: Heat sink

214: reflection sheet 22: buffer sheet 23: flood protection plate

25: colored glass layer 27: coating member 30: filling member

The present invention relates to a light emitting block. In particular, by using a backlight unit having excellent waterproofing and light emitting function, the life and illuminance is significantly improved, and color glass which is resistant to ultraviolet rays is disposed in a stained glass manner to maintain the first beautiful color semi-permanently and beautifully. The present invention relates to a light emitting block using a backlight unit to produce a landscape.

A light emitting tile or light emitting block having a light emitting function is generally used as a tile or a block installed on the ground or a wall of a building, and for convenience of description, a light emitting tile or a light emitting block is collectively referred to as a light emitting block.

The luminous block has a lighting function that illuminates the surroundings as well as a decorative function that makes the night view beautiful.

The prior art of such a light emitting block is made of a casing in which a floodlight plate is installed on a surface layer, and a fluorescent lamp is installed inside.

However, such a prior art has a difficulty in maintenance due to low illumination, difficult waterproofing, and low durability compared to power supply.

On the other hand, in recent years, the backlight unit has been in the spotlight as an illumination and advertising means, and the applicant has previously applied for a technology such as Patent Registration No. 10-0557741 ("Backlight unit that is easy to waterproof and three-dimensional molding").

In the backlight unit 21 of the prior art according to the present applicant, as shown in FIGS. 1A and 1B, the recess 2113 of the light guide plate 211 is formed at only one end of an entrance 2115 to the outside on the light guide plate. The other side is a clogging end 2116, the entrance is formed in one place, the white tape 215 for covering and reflecting is installed on the surface facing the light guide plate of the groove 2113, the light emitting means 212 is installed and reflected The sealing of the heat dissipation plate 213 is fixed by the adhesive tape 217, and the sealing opening 218 is provided to the doorway 2115 through which the cable 2125 is drawn out.

The backlight unit of such a configuration has the entrance and exit 2115 of the light emitting means installation groove 2113 at one place and seals the entire groove to ensure waterproofness, thereby maximizing life and installing underwater, and being resistant to external shocks, thereby minimizing the risk of damage. There is an outstanding advantage of being.

In addition to the above configuration, as shown in FIG. 1C, the backlight unit 21 is formed by forming a recess 2113 at one end of the light guide plate 211 to unevenly couple the heat dissipation frame 216 on which the light emitting means 212 is installed. Also, as illustrated in FIG. 1D, the heat dissipation frame 216 is configured to surround the tip of the light guide plate without forming a recess in the light guide plate 211, and corresponds to the thickness of the heat dissipation frame 216 protruding for plane maintenance. A type of filling the filler 219 in the stepped portion may be used.

Applicant came to focus on the application of such a backlight unit can make a light emitting block brighter, more beautiful and more durable while using less energy.

The present invention has been made to solve the above problems,

An object of the present invention is to significantly improve the life and illuminance by using a backlight unit excellent in waterproof and light-emitting function, and by disposing stained glass type color glass resistant to ultraviolet rays to maintain the first beautiful color semi-permanently and to produce a beautiful landscape The present invention provides a light emitting block using a backlight unit.

The light emitting block using the backlight unit according to the present invention for achieving the above object is a base block formed with a recess for forming a light emitting sub-block in the upper portion and a through hole for penetrating the cable downward from the insertion space; :

A light emitting sub-block installed in the insertion space of the base block by adjusting the height of the upper surface and the surface of the base block;

The light emitting sub-block includes a light guide plate having a plurality of V grooves or uneven dots or printing dots or sanding irregularities formed on one surface thereof, or a transparent plate, a PC mounted on a tip of the LGP, and an LED lamp continuously installed on the PCB. A backlight unit comprising a light emitting means, a frame or a heat sink for supporting the heat dissipation and the PCB of the LED lamp, and a reflective sheet provided on the rear surface of the light guide plate, and a flood protection plate stacked on the backlight unit has a reflection / waterproof / binding function. It is characterized in that the circumference is bound by the covering member having.

Hereinafter, an embodiment of a waterproof and three-dimensional molding easy backlight unit of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is an exploded perspective view of an embodiment according to the present invention, Figure 3 is a perspective view of the combination of Figure 2, Figure 4 is a longitudinal cross-sectional view of Figure 3, Figure 5 is a detailed cross-sectional view of the portion B of FIG.

2 to 5, the light emitting block 1 using the backlight unit according to the embodiment of the present invention, the insertion space 11 for installing the light emitting sub-block is formed in the recess and the insertion space ( 11) the base block 10 formed with a through hole 13 for penetrating the cable downward, and the height of the top surface and the surface layer surface of the base block in the insertion space 11 of the base block 10 is installed. Consisting of a light emitting sub-block 20.

In addition, the light emitting subblock 20 is provided with a plurality of V-grooves 2111 or uneven dots or printing dots or sanding irregularities on one surface thereof, or a light guide plate 211 that is formed as a light transmitting plate, and is mounted on a tip of the light guide plate 211. Light emitting means 212 including a PCB 2123 and an LED lamp 2121 continuously installed on the PCB, a frame or a heat sink 213 for supporting the heat dissipation and the PCB of the LED lamp and the light guide plate 211 The backlight unit 21 including the reflective sheet 214 to be applied, and the transmissive protective plate 23 stacked on the backlight unit 21 are surrounded by a covering member 27 having a reflection / waterproof / binding function. Is combined (see FIGS. 1A, 1B, and 5).

In the light emitting sub-block, a buffer sheet 22 is stacked between the backlight unit 21 and the light-transmitting protective plate 23, and a protective sheet 24 is provided below the backlight unit 21.

In addition, the base block 10 has a wiring groove 15 for wiring the cable 2125 of the backlight unit light emitting means at the bottom and the bottom of the light emitting sub-block insertion space 11 with the through hole 13 as the center. It is preferable that a plurality be formed radially.

The wiring groove 15 formed at the bottom of the insertion space 11 of the base block 10 is preferably formed to communicate with four corners from the through hole.

The base block 10 may be manufactured by forming the insertion space in the configuration of a general sidewalk block, and may be variously formed.

In addition, the light emitting subblock 20 includes a color glass layer 25 formed by designing a plurality of color glass having different colors between the backlight unit 21 and the light-transmitting protective plate 23.

The light emitting subblock 20 includes a protective sheet 24, a backlight unit 21 on the protective sheet 24, a buffer sheet 22 on the backlight unit 21, and an upper portion of the buffer sheet 22. Tempered glass is sequentially laminated as the transparent protective plate 23 on the color glass layer 25, the buffer sheet 22 on the color glass layer 25, and the buffer sheet 22, and the coating is performed for each lamination step. It is preferable that the circumference is double bound as the member 27.

The buffer sheet 22 is made of a transparent material, the buffer sheet 22 and the protective sheet 24 is preferably formed of a resin material.

In addition, the light emitting subblock 20 may be provided with a buffer sheet 22 in which a color image is printed between the backlight unit 21 and the light-shielding plate 23. That is, the color glass layer 25 is replaced with a color print buffer sheet.

Meanwhile, the backlight unit 21 may be configured in various configurations. Preferably, the recess 2113 of the light guide plate 211 is formed in communication with one or more PCB installation portions, and the entrance 2115 which communicates with the outside on the light guide plate is one end. It is formed only and the other side is a clogging end (2116) is formed in one entrance, and the white tape 215 for screening and reflection on the surface of the groove 2113 toward the front of the light guide plate is installed, the light emitting means in the groove After the 212 is installed, the heat dissipation plate 213 is fixed by the adhesion of the reflective tape 217, and the sealing opening 218 is provided to the entrance 2115. (See FIGS. 1A, 1B, and 5). .

Between the base block 10 and the circumference of the light emitting sub-block 20 is provided with a filling member 30 to which the light emitting sub-block is fixed to the base block and the uneven portion 31 is formed on the upper surface to prevent the pedestrian from slipping. This is preferred. The uneven portion 31 is formed to protrude to a slight dimension on the surface layer of the base block 10 and the light emitting sub block 20.

The filling member 30 is made of silicon or nonferrous metal material resistant to moisture or impact.

The operation state of the light emitting block 1 using the backlight unit according to the present invention having such a configuration will be described.

The present invention forms an insertion space (11) in the general block, and the light emitting sub-block (20) using the backlight unit 21 having excellent waterproof and light emitting function is inserted therein to significantly improve the life and illuminance of the light emitting block. Easy to manufacture

In addition, the light emitting subblock 20 is coated with a white reflective tape and a high-strength tape having a reflective / waterproof / binding function each time a lamination sheet 22 having a shock absorbing function is provided between layers and a lamination is added. By overlapping, the waterproofing is closely performed, and safety of the light emitting unit 212 is prevented from being wet.

In addition, by forming a stained-glass glass that is resistant to ultraviolet rays and excreted to be transmitted through the light, semi-permanently maintains the first fine color to produce a beautiful landscape, it is also possible to replace the street lamp on the road.

Such a light emitting block may be used as a sidewalk block or a mosaic tile of a wall, and may be disposed as a center line of a road.

The present invention can be variously substituted, modified and changed within the scope without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains is limited to the embodiments and drawings described above no.

As described in detail above, the light emitting block using the backlight unit according to the present invention significantly improves the life and illuminance by using the backlight unit having excellent waterproof and light emitting function, and by disposing stained glass type color glass resistant to ultraviolet rays. It is a semi-permanent effect that creates beautiful scenery while maintaining the first fine color.

Claims (8)

The base block 10 is formed with an insertion space 11 for installing the light emitting sub-block in the upper portion and a through hole 13 for penetrating the cable downward from the insertion space 11. The light emitting sub-block 20 is installed in the insertion space 11 of the base block 10 to match the height of the top surface and the surface layer of the base block, The light emitting subblock 20 includes a light guide plate 211 having a plurality of V grooves 2111 or uneven dots or printing dots or sanding irregularities formed on one surface thereof, or a light transmitting plate, and a PCB mounted on a tip of the light guide plate 211. 2123 and light emitting means 212 including LED lamps 2121 continuously installed on the PCB, and a frame or a heat sink 213 for radiating and supporting the LED lamps of the LED lamps are provided on the rear surface of the light guide plate 211. The backlight unit 21 including the reflective sheet 214 and the transmissive protective plate 23 stacked on the backlight unit 21 are bounded by the cover member 27 having a reflection / waterproof / binding function. Light-emitting block using a backlight unit characterized in that made. The method of claim 1, The light emitting sub-block is a light emitting block using a backlight unit to the buffer unit 22 is laminated between the backlight unit 21 and the light-shielding protection plate 23 and the protective sheet 24 is provided below the backlight unit 21. . The method of claim 1, The base block 10 has a wiring groove 15 for wiring the cable 2125 of the backlight unit light emitting means at a bottom surface and a bottom of the light emitting sub-block insertion space 11 radially around the through hole 13. A light emitting block using a backlight unit, characterized in that formed in plurality. The method of claim 1, The light emitting sub-block 20 is a backlight unit, characterized in that the color glass layer 25 is formed between the backlight unit 21 and the light-shielding plate 23 is a combination of a plurality of color glass of different designs. Light emitting block using. The method according to claim 1 or 4, The light emitting subblock 20 includes a protective sheet 24, a backlight unit 21 on the protective sheet 24, a buffer sheet 22 on the backlight unit 21, and an upper portion of the buffer sheet 22. The color glass layer 25, the buffer sheet 22 on the color glass layer 25, the tempered glass is sequentially laminated as the light-shielding plate 23 on the buffer sheet 22, and the lamination step Light-emitting block using a backlight unit, characterized in that the circumference is double bound as the covering member (27). The method of claim 1, The light emitting sub-block 20 is a light emitting block using a backlight unit, characterized in that the buffer unit 22 is a color image is printed between the backlight unit 21 and the transparent protective plate 23 is provided. The method of claim 1, Between the base block 10 and the circumference of the light emitting sub-block 20 is provided with a filling member 30 to which the light emitting sub-block is fixed to the base block and the uneven portion 31 is formed on the upper surface to prevent the pedestrian from slipping. Light-emitting block using a backlight unit. The method of claim 7, wherein The filling member 30 is a light emitting block using a backlight unit, characterized in that made of silicon or non-ferrous metal.

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