KR101584734B1 - Transparent display board and manufacturing method thereof - Google Patents

Transparent display board and manufacturing method thereof Download PDF

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Publication number
KR101584734B1
KR101584734B1 KR1020150127166A KR20150127166A KR101584734B1 KR 101584734 B1 KR101584734 B1 KR 101584734B1 KR 1020150127166 A KR1020150127166 A KR 1020150127166A KR 20150127166 A KR20150127166 A KR 20150127166A KR 101584734 B1 KR101584734 B1 KR 101584734B1
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South Korea
Prior art keywords
transparent
light emitting
anode
electrode
electrodes
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KR1020150127166A
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Korean (ko)
Inventor
이상우
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주식회사 누리플랜
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    • 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
    • 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

Abstract

According to the present invention, first and second transparent plates are adhered to each other through a transparent resin while being spaced apart from each other by a predetermined distance. A plurality of light emitting elements fixed to any one of the first and second transparent plates and controlled to emit light; A transparent electrode electrically connected to the electrodes of the light emitting devices in a state of being applied to one of the first and second transparent plates so that the light emitting device is controlled to emit light; And a conductive tape attached to a connection end of the transparent electrode in a state of being positioned at a side end portion of the first and second transparent plates so that each operation power is supplied to the light emitting element, The third anode electrode and the cathode electrode are formed at different positions, and the transparent electrode includes a first anode electrode wiring pattern in which wirings are connected to the first anode electrodes, a wiring pattern connected to each of the second anode electrodes, A second anode electrode, a second anode electrode, a second anode electrode, a third anode electrode, a third anode electrode, and a cathode electrode interconnection pattern connected in common to the cathode electrodes, There is provided a transparent electro-optical panel connected to a conductive line of a metal constituted by virtual or real split lines partitioning an area into a plurality of areas.

Description

Technical Field [0001] The present invention relates to a transparent display board and a manufacturing method thereof,

The present invention relates to a transparent electric display panel and a manufacturing method thereof. More particularly, the present invention relates to a transparent electric display panel and a method of manufacturing the same, A conductive line made of a metal material is formed in the line so that the difference in distance between the light emitting device having the closest distance from the conductive line and the light emitting device having the greatest distance can be minimized to enable uniform light output of each light emitting device To a transparent electric sign board and a manufacturing method thereof.

2. Description of the Related Art [0002] In general, a transparent electric display panel is provided with a plurality of light emitting elements attached to a transparent electrode for giving an aesthetic sense, and displays characters or graphics on a transparent electrode by controlling the controller, A light emitting device having a total of two to four electrodes is applied.

The conventional transparent electroluminescent panel includes a pair of transparent plates which are bonded to each other by a transparent resin that is spaced apart from each other and filled therebetween, as disclosed in Japanese Patent No. 10-1188747 and the like, and one of the pair of transparent plates A transparent electrode formed on one of the pair of transparent plates to be electrically connected to the anode electrode and the cathode electrode of the light emitting device and a transparent electrode formed on one side of the transparent plate, And at least one anode connection electrode connected to the at least one anode electrode, and at least one anode connection electrode connected to the at least one anode electrode, And a single cathode connection electrode connected in common to the cathode electrodes respectively formed in the elements.

Accordingly, since the transparent electrodes connected to the cathode electrodes of the plurality of light emitting devices are formed in common, the wiring design of the plurality of transparent electrodes connected to the plurality of light emitting devices is very easy and the process can be shortened The productivity can be improved.

However, in the conventional transparent electroluminescent panel, after a conductive material is applied to the entire surface of one of the pair of transparent plates, the plurality of anode electrode lines are divided and partitioned so as to have a corresponding pattern, .

At this time, in the case of a connection end where the plurality of anode electrode wirings are connected to the conductive tape, a pattern is arranged in a line on the left or right side, the upper side or the lower side of the transparent plate so as to facilitate connection work of the conductive tape, The connection terminal connected to the cathode electrode wiring commonly connected to the cathode electrode is also disposed on the left side, the right side, the upper side or the lower side of the transparent plate.

That is, in the conventional transparent electro-optical panel, the transparent electrodes are applied so as to correspond to the entire area of the transparent plate, and then the independent light-emitting elements are electrically isolated from each other.

Here, in the case of the cathode electrode wiring that is a transparent electrode connected to the cathode electrode, since the connection terminal is disposed on one side or both sides of the transparent plate and is wired to each of the cathode electrodes of the light emitting devices uniformly distributed on the transparent plate, There is a problem that uniform light output is impossible due to increase in sheet resistance.

That is, as compared with the anode electrode wiring connected to the connection end located at one side or both sides of the transparent plate during the wiring of the transparent electrode, the wiring of the cathode electrode corresponding to the reverse region of the remaining region of the conductive material patterned with the anode electrode wiring A low voltage is supplied to the cathode electrode of the light emitting devices located at a distance from the connection end when the operation power is supplied through the connection end located at one side or both sides due to its own sheet resistance, The amount of light is relatively reduced as compared with the case where the light output is relatively large.

In addition, since the light emitted from the light emitting device diffuses to the outside through the transparent plate and is emitted, the transparent plate is mainly made of glass or synthetic resin having a transparent color. Therefore, There is a problem that the amount of light emitted through the entire surface of the transparent plate is not uniform and light uniformity is lowered.

Accordingly, an object of the present invention is to provide a light emitting device and a method of manufacturing the same, in which a metal conductive line is formed in a virtual or real split line that divides an area of a cathode electrode line connected to a cathode electrode which is a common electrode of a plurality of light emitting devices arranged in a transparent plate The present invention provides a transparent electric display panel capable of minimizing a distance difference between a light emitting element having a closest distance from a conductive line and a light emitting element having a farthest distance, thereby achieving uniform light output of each light emitting element, and a manufacturing method thereof.

Meanwhile, the object of the present invention is not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to the present invention, first and second transparent plates are adhered to each other through a transparent resin while being spaced apart from each other by a predetermined distance. A plurality of light emitting elements fixed to any one of the first and second transparent plates and controlled to emit light; A transparent electrode electrically connected to the electrodes of the light emitting devices in a state of being applied to one of the first and second transparent plates so that the light emitting device is controlled to emit light; And a conductive tape attached to a connection end of the transparent electrode in a state of being positioned at a side end portion of the first and second transparent plates so that each operation power is supplied to the light emitting element, The third anode electrode and the cathode electrode are formed at different positions, and the transparent electrode includes a first anode electrode wiring pattern in which wirings are connected to the first anode electrodes, a wiring pattern connected to each of the second anode electrodes, A second anode electrode, a second anode electrode, a second anode electrode, a third anode electrode, a third anode electrode, and a cathode electrode interconnection pattern connected in common to the cathode electrodes, There is provided a transparent electro-optical panel connected to a conductive line of a metal constituted by virtual or real split lines partitioning an area into a plurality of areas.

According to another aspect of the present invention, there is provided a method of manufacturing a liquid crystal display, comprising: forming a transparent electrode by applying a conductive material to one of transparent plates of a first and a second transparent plate; A first anode electrode line connected to the first anode electrodes of the light emitting device, a second anode electrode line connected to the second anode electrodes of the light emitting device, and a second anode electrode line connected to the third anode electrodes of the light emitting device, A third anode electrode line connected to the common electrode line and a cathode electrode line commonly connected to the common cathode electrodes of the light emitting diode; A plurality of light emitting devices are bonded to the transparent plate so that a first anode electrode line is connected to the first anode electrodes, a second anode electrode line is connected to each of the second anode electrodes, a third anode electrode line is connected to the third anode electrodes, The anode electrode lines are connected and the cathode electrode lines are respectively connected to the cathode electrodes; Attaching each conductive tape to a connection end of the first anode electrode wiring to the third anode electrode wiring; A conductive line is formed on a virtual or actual split line of a transparent plate that divides the entire surface of the transparent electrode into a plurality of transparent electrodes and is electrically connected to the cathode electrode wiring and the conductive tape is attached to one end of the conductive line; A transparent resin is coated on one of the first and second transparent plates, and the other transparent plate is placed on the transparent resin so that the transparent resin is adhered and cured.

Therefore, according to the present invention, a metal conductive line is formed in a virtual or real split line that divides the area of the cathode electrode line connected to the cathode electrode, which is a common electrode of a plurality of light emitting devices arranged in the transparent plate, It is possible to minimize the difference in distance between the light emitting device having the closest distance and the light emitting device having the longest distance from the conductive line as a starting point, thereby enabling uniform light output of each light emitting device.

On the other hand, the effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a transparent display board according to a preferred embodiment of the present invention; FIG.
FIG. 2 is an exploded perspective view of the transparent electric display panel of FIG. 1; FIG.
3 is a side cross-sectional view showing the transparent electric display board of FIG. 1; And
Fig. 4 is a diagram showing a pattern of electrode wirings in the transparent electro-optical panel of Fig. 1. Fig.

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

1 is an exploded perspective view showing a transparent electric display board of FIG. 1, FIG. 3 is a side sectional view showing a transparent electric display board of FIG. 1, and FIG. 4 is a cross- 1 shows a pattern of electrode wirings in a transparent electric billboard.

1 to 4, a transparent electronic display panel according to a preferred embodiment of the present invention includes first and second transparent plates 110 and 120 bonded to each other through a transparent resin 160 with a predetermined spacing therebetween, A plurality of light emitting devices 130 which are fixed to any one of the first and second transparent plates 110 and 120 and are controlled to emit light, and the first and second transparent plates 110 and 120, A transparent electrode 140 that is energized with an electrode of the device 130 to control the light emitting device 130 to emit light and a connection electrode 140 that is located at a side end of the first and second transparent plates 110 and 120, And a plurality of light emitting devices 130 are connected to the first to third anode electrodes 131, 132, and 133, and the plurality of light emitting devices 130 are connected to the plurality of light emitting devices 130, The cathode electrodes 134 are formed at different positions, and the transparent electrodes 140 are formed on the first anode electrodes 131 The wiring lines to be connected are connected to the patterned first anode electrode wiring 141 and the patterned second anode wiring 142 and third anode electrode 133 connected to the second anode electrodes 132 respectively And a cathode electrode wiring 144 patterned with electrode wirings connected in common to the patterned third anode wiring 143 and the cathode electrodes 134, And the cathode electrode wiring 144 is connected to the conductive line W of the metal formed in the virtual or real split line D dividing the area of the transparent electrode 140 into a plurality of conductive lines The distance between the light emitting device having the closest distance and the light emitting device having the greatest distance from each other can be minimized and uniform light output of each light emitting device can be achieved.

The transparent electroluminescent display panel of the present invention is formed on the outer surfaces of the first and second transparent plates 110 and 120 or on the outer surfaces of the first and second transparent plates 110 and 120, And a diffusion layer (not shown) for uniformly transmitting light to the outside of the first and second transparent plates 110 and 120 to improve light uniformity.

The first and second transparent plates 110 and 120 are panel members bonded to each other through a transparent resin 160 in a state of being spaced apart from each other by a predetermined distance so that the transparent resin 160 is filled therebetween and bonded to each other, And can be made of any one of a glass plate and a synthetic resin of transparent material and color.

The plurality of light emitting devices 130 are fixed to any one of the first and second transparent plates 110 and 120 so that the light emitting devices are controlled to emit light. 130 are adhered to each other by a conductive adhesive or the like and have first to third anode electrodes 131, 132, 133 and a cathode electrode 134. The electrodes are arranged at different positions, for example, A cathode electrode 134 is positioned on the upper right side and a first anode electrode 131 is positioned on the left side thereof and a second anode electrode 132 is positioned on the lower side thereof and a third anode electrode 133 is disposed on the right side thereof. Are spaced apart.

Here, it is preferable that the first to third anode electrodes 131, 132 and 133 are connected to a negative power source and the cathode electrode 134 is connected to a positive power source.

The light emitting device 130 of the present invention is configured such that light is emitted through the upper and lower surfaces through the positions of the anode electrodes 131 to 133 and the cathode electrode 134 at the lowermost edge of the light emitting body And may function as a double-sided LED that allows light to be emitted toward both of the first and second transparent plates 110 and 120 through it.

The transparent electrode 140 is electrically connected to the electrodes of the light emitting devices 130 in a state of being coated on one of the first and second transparent plates 110 and 120 so that the light emitting device 130 is controlled to emit light. ITO, IZO, and liquid polymer, which are conductive materials, are applied to any one of the transparent plates of the first and second transparent plates 110 and 120 by the conductive means for wiring, and the first anode electrodes 131 The second anode electrode wiring 142, the third anode electrode 133, and the third electrode wiring 133, which are connected to the patterned first anode electrode wiring 141 and the second anode electrode 132, respectively, A third anode electrode wiring 143 patterned with electrode wirings connected to the common cathode electrodes 134, and a cathode electrode wiring 144 patterned with electrode wirings connected in common to the common cathode electrodes 134, (Not shown) is formed.

The transparent electrode 140 may be formed by applying a conductive material to the second transparent plate 120 as a single layer and then forming a connection terminal (not shown) The third anode electrode wiring 143 is formed with a predetermined pattern on the basis of the insulating grooves (not shown) so as to be connected to the first anode electrode 131 to the third anode electrode 133 of the light emitting device 130 And a cathode electrode wiring 144 connected to the cathode electrode 134 of the light emitting device 130 corresponding to the remaining region is wired to each of the plurality of light emitting devices 130, A pattern is formed so as to be connected to a plurality of electrodes having different positions and then patterned by an electrical circuit through a known method such as a physical division method or a chemical etching method.

Here, since the transparent electrode is coated on the transparent plate and then connected to each light emitting device, as described in Patent Document 10-1188747 and related art thereof, a detailed description thereof will be omitted.

That is, after the conductive material is applied to the second transparent plate 120, the transparent electrode 140 is patterned so that the electrode wires are connected to the plurality of light emitting devices 130.

At this time, since the cathode electrode wiring 144 uses the remaining region remaining after patterning of the first to third anode electrode wirings 141 to 143 in the entire area of the transparent electrode 140 as a common electrode wiring, When operating power is supplied from a conductive tape 150 connected to a connection end (not shown) located at one side or both sides of the transparent plate 120, the light emitting device 130 (not shown) The cathode electrodes 134 of the light emitting devices 130 are supplied with a low voltage due to their own sheet resistance so that the amount of light is relatively reduced as compared with the light emitting devices 130 located at a short distance from the connection end Is generated.

That is, when the conductive material is applied to form the transparent electrode 140, a point is formed on the cathode electrode wiring 144, that is, from the connection end 146 disposed on one side of the transparent plate 120 The amount of current supplied to the entire surface of the transparent electrode 140 is limited due to the sheet resistance or the like when the operating power is supplied to the entire surface of the transparent electrode 140 after the operation power is supplied, The number of light emitting devices 130 that can be configured in the light emitting devices 130 is limited and the uniform light output is not generated from the light emitting devices 130,

Accordingly, the present invention is characterized in that the cathode electrode wiring 144 is divided into a virtual or real split line D dividing the second transparent plate 120 into a plurality of conductive lines, The distance between the light emitting element closest to the conductive line W and the light emitting element located farthest from the conductive line W is shortened to correspond to the distance between the conductive lines W, The wiring 144 may be connected to a connection terminal (not shown) arranged on the side of the second transparent plate 120 so that the operation power supplied to each of the light emitting devices 130 may be amplified Thus, uniform light output can be performed without reflecting the pattern design for increasing the width of the wiring, and a larger number of light emitting devices 140 can be constituted, thereby maximizing the advertising effect.

Here, the split line D has a groove structure physically formed in any one of the first and second transparent plates 110 and 120 to which a plurality of light emitting devices 130 are bonded, and the conductive line W It is preferable that the partial or open portion is electrically connected to the cathode electrode wiring 144 while being adhered or sealed through a conductive adhesive or the like.

That is, when the conductive line W is electrically connected to the cathode electrode wiring 144 while being sealed through the conductive adhesive or the like in a state where the conductive line W is accommodated in the divided line D formed at the predetermined interval on the transparent plate, In the state where the conductive line W is positioned on the upper surface of the cathode electrode wiring 144, there is a problem that the floating phenomenon is prevented due to deterioration of the conductive material or the like when the conductive line W is partially adhered through the conductive adhesive or the like. The electric conduction state can be continuously maintained and the cathode electrode wiring 144 adjacent to the divided line D can be in contact with a larger area so that the amount of current can be increased.

At this time, it is preferable that the width of the divided line D corresponds to the width (1 to 1 mm) of the conductive line W and the depth corresponds to 1/3 to 1/2 of the width of the conductive line W If the width of the divided line D is less than the above range, the forming operation becomes very inconvenient due to the tolerance, and when the conductive line W can not be accommodated and exceeded, it is easily exposed and identified by the naked eye, When the depth of the dividing line D is less than the above range, only a part of the conductive line W is accommodated and the conductive line W is formed in a serpentine manner during the bonding operation, It is necessary to use a conductive adhesive or a conductive tape for the electrical contact work with the cathode electrode wiring 144, so that the working efficiency is lowered and the work efficiency is lowered easily with the naked eye Exposure and identification There is a problem in the function of the word transparent plate to be lowered.

Here, the width and depth (or thickness) of the split line D are obtained by statistically processing the results measured through repeated experiments based on various conditions. After the transparent plate is manufactured, So that it is not easily visually recognized when viewed from the outside, and it is possible to prevent deterioration of aesthetic sense.

Therefore, according to the conductive line W, since the conductive line W is electrically connected to the cathode wiring electrode 144 with a wide contact area in a state where the conductive line W is arranged in a region partitioning the transparent plate into a plurality of transparent plates, The distance between the light emitting element of the light emitting element 130 and the light emitting element of the greatest distance is shortened so that the operation power supplied to each of the light emitting elements 130 is amplified and a uniform light output is enabled, The light emitting device 140 can be configured.

That is, the conductive line W is in line contact with the cathode electrode wiring 144 while having a structure in which the entire surface of the transparent electrode 140 is divided into a plurality of parts, The distance or the width is reduced by the number of the conductive lines W. Accordingly, the limit due to the sheet resistance problem of the transparent electrode 140 in which the conductive material is applied, that is, It is possible to amplify the amount of current capable of preventing the non-uniform light output of the elements 1300.

The diffusion layer (not shown) is formed on the outer surfaces of the first and second transparent plates 110 and 120 or on the outer surfaces of the first and second transparent plates 110 and 120 so that light emitted from the light- 2 diffusion plate for uniformly transmitting light to the outside of the two transparent plates 110 and 120 so that the light uniformity is improved. When the transparent plate is a glass plate, the diffusion plate may have a thickness of about 5 mm such as PC, PMMA, acrylic, epoxy, PET or melamine resin Transparent bare cell which is made of a transparent light-transmissive panel and has a predetermined size for scattering light, and the transparent plate is a synthetic resin such as PC, PMMA, acrylic, epoxy, PET or melamine resin, polycarbonate And bubbles formed therein to a predetermined size for light scattering.

Here, the bubbles may be formed by extrusion or injection in the production of a light transmissive panel or a transparent plate, or may be formed by foam molding such as foam extrusion or foaming injection.

At this time, the number and size (diameter) of bubbles per unit volume formed in the light-transmissive panel or the transparent plate should be appropriately determined in consideration of diffusibility and permeability. If the number of bubbles per unit volume is too large, The light transmittance may be lowered. On the contrary, when the number of bubbles per unit volume is too small, the degree of light scattering is low and diffusion may not be achieved properly.

If the size of the bubbles is too small, the light diffusivity may be good, but the light transmittance is remarkably low and the luminance characteristic is lowered as a whole. Therefore, the size of the bubbles is preferably 60 Mu m to 700 mu m.

When the size of the bubble is 700 mu m or more, the light transmittance is improved but the diffusibility of the light is decreased. On the other hand, when the size of the bubble is less than 60 mu m, the light diffusivity is improved, .

If the size of the bubbles is more than 60 탆, it is difficult for a general person to observe them with the naked eye without the aid of a device such as a microscope. If the size of the bubbles is smaller than this, it is difficult to visually check the bubbles. Is not more than 60 탆 and the bubble content is not less than 5%, the entire diffuser plate has a color close to gray rather than white, which can be used for high-precision diffusion applications such as a light guide plate of a liquid crystal display device, . That is, if the transparent plate becomes gray, the color reproducibility is lowered, which is not suitable for application to a light transmitting member or the like.

When the size of the bubble is within the range of 60 탆 to 700 탆, the bubble content of about 4% to 20% can have excellent brightness characteristics and light transmittance. Here, when the bubble size is in the range of 60 to 700 占 퐉, but the bubble content is 4% or less, the light diffusing property is low, which is not suitable for the light transmitting member.

Therefore, in order to apply the diffusion layer (not shown) as the light transmitting member, it is preferable that the size of the bubble is 5% or more in the range of 60 to 700 mu m.

In addition, the diffusion layer (not shown) may be manufactured in a large size because the weight is reduced due to the bubbles and the production cost is low. In addition, it is preferable that the bubbles have different sizes from those arranged at the front and those arranged at the rear. For example, the bubbles arranged at the rear of the diffusion layer (not shown) are arranged at the front of the diffusion layer It is preferable that the size is smaller.

In this case, when light is supplied from the light emitting device 130, light traveling forward of the diffusion layer (not shown) is easily transmitted while meeting a large bubble, thereby providing excellent luminance characteristics.

That is, when the average size of the bubbles arranged in front of the light-transmissive panel or the transparent plate and the bubbles arranged in the rear are different, the transmittance is further improved without lowering the diffusibility.

Here, the size and content of the bubbles and the arrangement size of the bubbles are numerical values obtained by statistically processing the results measured through repeated experiments based on various conditions.

Therefore, according to the diffusion layer (not shown), light generated from the plurality of light emitting devices 130 is scattered and diffused by the bubbles when the transparent plates 110 and 120 are transmitted through the transparent plates 110 and 120, It is possible to maximize the advertising effect by having high light transmittance, uniform light quantity and excellent luminance characteristics.

Hereinafter, a method for manufacturing a transparent electric signboard having the above-described structure will be described.

A method of manufacturing a transparent electric display panel according to an exemplary embodiment of the present invention includes the steps of forming a transparent electrode 140 by applying a conductive material to a transparent plate of either one of the first and second transparent plates 110 and 120, A first anode electrode wiring 141 connected to the first anode electrodes 131 of the light emitting device 130 and a second anode electrode wiring 132 connected to the second anode electrodes 132 of the light emitting device 130, The third anode electrode wiring 143 connected to the third anode electrode 133 of the light emitting device 130 and the common cathode electrode 134 of the light emitting device 130 are connected to the second anode electrode wiring 142, A plurality of light emitting devices 130 are bonded to the transparent plate so that the first anode electrode wires 141 are connected to the first anode electrodes 131, A second anode electrode wiring 142 is connected to the second anode electrodes 132 and a third anode electrode wiring 142 is connected to the third anode electrodes 133, The wiring 143 is connected and the cathode electrode wiring 144 is connected to the cathode electrodes 134 and the connection step of the first anode electrode wiring 141 to the third anode wiring 143 And a conductive line W is formed on the imaginary or actual split line D of the transparent plate dividing the entire surface of the transparent electrode 140 into a plurality of conductive lines W, (Not shown) of the first and second transparent plates 110 and 120, and a step of attaching the conductive tape 150 to one end of the first and second transparent plates 110 and 120, After the transparent resin 160 is applied, another transparent plate is placed on the transparent resin 160 to be adhered and cured.

Here, it is preferable that the divided line D constituting the conductive line W is sealed so as to be electrically connected to the cathode electrode wiring 144 after the conductive line W is received in the recessed structure, This allows a large area to be connected to the cathode electrode wiring 144 so that the amount of current flowing through the cathode electrode wiring 144 is maximized to enable more light emitting devices 130 to be used and to achieve uniform light output .

When the transparent plate is a glass plate, it is formed of a transparent light-transmissive panel having a thickness of about 5 mm such as PC, PMMA, acrylic, epoxy, PET, or melamine resin, and is formed into a predetermined size (Not shown), which are formed on the outer surfaces of the first and second transparent plates 110 and 120 or on the outer surfaces of the first and second transparent plates 110 and 120, It is preferable that the emitted light is uniformly transmitted to the outside of the first and second transparent plates 110 and 120 to improve the light uniformity.

Therefore, according to the present invention, it is possible to provide a virtual or real split line (hereinafter referred to as a " split line ") that divides an area of a cathode electrode wiring 144 connected to a cathode electrode 134, which is a common electrode of a plurality of light emitting devices 130 arranged on a transparent plate, D of the light emitting elements are formed so that the difference in distance between the light emitting element having the closest distance from the conductive line W and the light emitting element having the greatest distance is minimized, Output can be enabled.

Although the present invention has been described with reference to the specific embodiments, various modifications may be made without departing from the scope of the present invention. Accordingly, the scope of the invention is not to be determined by the embodiments described, but should be determined by equivalents of the claims and the claims.

Claims (9)

First and second transparent plates (110, 120) adhered to each other through a transparent resin (160) while being spaced apart from each other by a predetermined distance;
A plurality of light emitting devices (130) fixed to any one of the first and second transparent plates (110, 120) and controlled to emit light;
A transparent electrode 140 electrically connected to the electrodes of each of the light emitting devices 130 in a state of being applied to one of the first and second transparent plates 110 and 120 so that the light emitting device 130 is controlled to emit light; And
(Not shown) of the transparent electrode 140 in a state of being positioned at the side end portions of the first and second transparent plates 110 and 120 so that the respective operation power is supplied to the light emitting device 130 150,
The plurality of light emitting devices 130 may be configured such that the first to third anode electrodes 131, 132 and 133 and the cathode electrode 134 are formed at different positions and the transparent electrode 140 is connected to the first anode electrodes 131 The first anode electrode wiring 141 having the wiring pattern formed thereon, the second anode electrode wiring 142 patterned with the wirings connected to the second anode electrodes 132, and the third anode electrodes 133 And a cathode electrode wiring 144 patterned with electrode wirings connected in common to the third anode electrode wiring 143 and the cathode electrodes 134 in which wiring lines are patterned,
Wherein the cathode electrode wiring (144) is connected to a conductive line (W) made of a metal formed in a divided line (D) dividing the area of the transparent electrode (140) into a plurality of areas.
The method according to claim 1,
Light emitted from the light emitting devices 130 formed on the inner surfaces of the first and second transparent plates 110 and 120 or on the outer surfaces of the first and second transparent plates 110 and 120 is transmitted through the first and second transparent plates 110 and 120 And a diffusion layer (not shown) for uniformly transmitting light to the outside.
2. The apparatus according to claim 1, wherein the dividing line (D)
The first and second transparent plates 110 and 120 have a groove structure physically formed on one of the plurality of light emitting devices 130,
Is electrically connected to the cathode electrode wiring (144) while being partially or openly bonded or sealed after the conductive wire (W) is seated in the inner space.
The method according to claim 3, wherein the width of the dividing line (D) is determined in the same range as the width of the conducting line (W), and the depth of the dividing line (D) 1/2, and the width of the conductive line (W) is in the range of 1 탆 to 1 mm. delete delete delete A transparent electrode 140 is formed by applying a conductive material to one of the first and second transparent plates 110 and 120;
The first anode electrode wiring 141 connected to the first anode electrodes 131 of the light emitting element 130 and the second anode electrodes 132 of the light emitting element 130 are connected to the transparent electrode 140, A third anode electrode wiring 143 connected to the third anode electrodes 133 of the light emitting device 130 and a common cathode electrode 134 of the light emitting device 130 are connected to the second anode electrode wiring 142, A cathode electrode wiring 144 connected in common to the plurality of pixel electrodes;
A plurality of light emitting devices 130 are bonded to the transparent plate so that the first anode electrode lines 141 are connected to the first anode electrodes 131 and the second anode electrode lines 141 are connected to the second anode electrodes 132, A third anode electrode wiring line 143 is connected to the third anode electrodes 133 and a cathode electrode wiring line 144 is connected to the cathode electrodes 134, respectively;
Attaching each conductive tape 150 to a connection end (not shown) of the first anode electrode wiring 141 to the third anode electrode wiring 143;
A conductive line W is formed in a split line D of a transparent plate that divides the entire surface of the transparent electrode 140 into a plurality of portions and is electrically connected to the cathode electrode wiring 144, Attaching the conductive tape (150);
A transparent resin 160 is coated on one of the first and second transparent plates 110 and 120, and another transparent plate is placed on the transparent resin 160 to be adhered and cured. Way.
delete
KR1020150127166A 2015-09-08 2015-09-08 Transparent display board and manufacturing method thereof KR101584734B1 (en)

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KR20200079124A (en) * 2018-12-24 2020-07-02 주식회사 제이마이크로 Transparent led signage

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KR101188748B1 (en) 2012-07-18 2012-10-09 지스마트 주식회사 Transparent display board and manucfacturing method
KR101188747B1 (en) 2012-07-18 2012-10-10 지스마트 주식회사 Transparent display board and manucfacturing method
KR101478651B1 (en) 2013-12-06 2015-01-05 지스마트 주식회사 Apparatus for injecting resin in transparent display board and transparent display board manufacturing method using the apparatus

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KR101188748B1 (en) 2012-07-18 2012-10-09 지스마트 주식회사 Transparent display board and manucfacturing method
KR101188747B1 (en) 2012-07-18 2012-10-10 지스마트 주식회사 Transparent display board and manucfacturing method
KR101478651B1 (en) 2013-12-06 2015-01-05 지스마트 주식회사 Apparatus for injecting resin in transparent display board and transparent display board manufacturing method using the apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200079124A (en) * 2018-12-24 2020-07-02 주식회사 제이마이크로 Transparent led signage
KR102255569B1 (en) * 2018-12-24 2021-05-27 주식회사 제이마이크로 Transparent led signage

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