CN201093225Y - Light-transmitting light-emitting diode array display device - Google Patents

Abstract

The utility model provides a light-permeable LED array display device, which comprises a transparent substrate, a plurality of conductive circuits and a plurality of LED elements; the transparent substrate is provided with a first surface; the conductive circuits are formed on the first surface at intervals; the light emitting diode elements are arranged on the first surface in a matrix manner and are respectively electrically connected with the conducting circuits; through setting up the emitting diode component on transparent substrate to the conducting wire of being connected with the emitting diode component electricity is mated with, makes the utility model discloses emitting diode array display device light-permeable, and can use as the demonstration billboard on the glass curtain of building, and can compromise the original daylighting function of glass curtain.

Description

Light-transmitting light-emitting diode array display device

technical field

The utility model relates to a display device, in particular to a light emitting diode array display device.

Background technique

For the sake of lighting and aesthetic considerations, more and more buildings abandon the previous cement walls and use transparent glass curtains as the outer walls.

Recently, it has become a new advertising method to set large-scale display boards in the glass curtains of buildings and display images or patterns outside. The display board used to display images or patterns usually adopts a light emitting diode array display device.

However, when actually installing the above LED array display device on the glass curtain, because the existing printed circuit board (Printed Circuit Board; PCB) for LED array setting and power supply itself is opaque, it will hinder the The lighting function of the original glass curtain.

In addition, due to the poor heat dissipation efficiency of the printed circuit board for the LED array, it is easy to cause the failure of the LED element. Therefore, a heat sink is usually arranged on the opposite side of the LED array of the printed circuit board to assist heat dissipation, which increases the overall cost. volume and weight.

Utility model content

An object of the present invention is to provide a light-transmitting light-emitting diode array display device, which can take into account the lighting function of the original glass curtain when it is installed in the glass curtain.

The light-transmitting light-emitting diode array display device of the utility model comprises a transparent substrate, a plurality of conductive lines, and a plurality of light-emitting diode elements.

The transparent substrate has a first surface; conductive lines are formed on the first surface at intervals; light emitting diode elements are arranged in a matrix on the first surface and electrically connected with the conductive lines respectively.

In the light-transmitting light-emitting diode array display device described in the utility model, the material of the transparent substrate is glass.

In the light-transmitting LED array display device described in the utility model, the conductive circuit is formed by coating conductive glue on the transparent substrate and sintering.

In the light-transmitting light-emitting diode array display device described in the utility model, the conductive adhesive contains nanoscale silver particles.

In the light-transmitting light-emitting diode array display device described in the utility model, the sintering temperature is lower than 500 degrees Celsius.

In the light-transmitting light-emitting diode array display device described in the present invention, the light-emitting diode element is a surface-mounted light-emitting diode.

In the light-transmitting light-emitting diode array display device described in the utility model, the light-emitting diode element is an unpackaged light-emitting diode chip.

According to the light-transmitting LED array display device of the present invention, the light-transmitting LED array display device further includes an encapsulation layer arranged on the first surface and covering the LED chip.

According to the light-transmitting light-emitting diode array display device described in the present utility model, the light-transmitting light-emitting diode array display device further includes a second surface formed on the transparent substrate opposite to the first surface a plurality of conductive lines on the second surface, and a plurality of light emitting diode elements that are respectively electrically connected to the conductive lines on the second surface and emit light toward the first surface.

In the light-transmitting light-emitting diode array display device described in the utility model, the conductive lines electrically connected to one of the positive and negative electrodes of the light-emitting diode element are electrically connected to each other, and are electrically connected to the positive and negative electrodes of the light-emitting diode element. The conductive lines electrically connected to the other electrode of the two negative electrodes respectively extend in a dispersed manner towards the edge of the transparent substrate.

The beneficial effect of the utility model is that: by arranging the light-emitting diode elements on the transparent substrate and matching the conductive circuit electrically connected with the light-emitting diode elements, the light-emitting diode array display device of the utility model can transmit light, so that it can be used in architectural It can be used as a display board on the glass curtain of the object, and can take into account the original lighting function of the glass curtain.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a preferred embodiment of a light-transmitting light-emitting diode array display device of the utility model;

Fig. 2 is a partial side view schematic diagram of this preferred embodiment;

Fig. 3 is a schematic partial side view of another embodiment of the preferred embodiment;

Fig. 4 is a schematic partial side view of another embodiment of the preferred embodiment;

Fig. 5 is a schematic partial side view of yet another implementation of the preferred embodiment;

Fig. 6 is a schematic top view of the preferred embodiment.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in detail.

As shown in FIG. 1 and FIG. 2 , a preferred embodiment of the transparent LED array display device of the present invention includes a transparent substrate 10 , a plurality of conductive circuits 20 , and a plurality of LED elements 30 .

The transparent substrate 10 is made of glass material and has a first surface 11 and a second surface 12 opposite to the first surface 11 .

A plurality of conductive lines 20 are formed at intervals on the first surface 11. The conductive lines 20 are printed or coated on the transparent substrate 10 with conductive glue containing nanoscale silver particles, and then heated at a temperature lower than 500 degrees Celsius. formed by sintering.

A plurality of light emitting diode elements 30 are disposed on the first surface 11 in a matrix arrangement and are respectively electrically connected to the conductive lines 20 . In this embodiment, the light emitting diode element 30 is a surface mounted technology (SMT) type light emitting diode. In actual implementation, as shown in FIG. 3 , an unpackaged LED chip can be used as the LED element 30, which can be directly arranged on the first surface 11, and the LED element 30 can be electrically connected to the conductor by using a wire (wire) 31. The circuit 20 , and an encapsulation layer 40 covering the LED element 30 and the wire 31 can also be disposed on the first surface 11 . Alternatively, as shown in FIG. 4 , the light emitting diode element 30 and the conductive circuit 20 can be electrically connected by flip chip bonding.

In addition, as shown in FIG. 5 , a plurality of conductive circuits 20 may also be formed on the second surface 12 opposite to the first surface 11 of the transparent substrate 10 , and a plurality of conductive circuits 20 electrically connected to the second surface 12 may be provided. The light emitting diode elements 30 connected and emitting light toward the first surface 11 are used to increase the density of the light emitting diode elements 30 per unit area and improve the overall luminous intensity.

In addition, in order to improve the light transmission uniformity of each part of the transparent substrate 10, the layout of the conductive circuit 20 can also be adjusted. As shown in FIG. The electrical connection is formed, and the conductive lines 22 electrically connected to the other of the positive and negative electrodes of the light emitting diode element 30 respectively extend towards the four edges of the transparent substrate 10 in a dispersed manner.

In actual application, the light-emitting diode array display device of the present utility model is installed on the glass curtain of the building with the light-emitting direction of the light-emitting diode element 30 facing outwards in the building.

To sum up the above, the utility model arranges the light-emitting diode element 30 on the transparent substrate 10, and prints and sinters it with a conductive glue to form a conductive circuit 20, so that the light-emitting diode array display device of the utility model can penetrate light, and is applied in When placed on the glass curtain of a building, it will not hinder the original lighting function of the glass curtain. In addition, since the heat dissipation effect of the transparent substrate 10 made of glass is better than that of the previous printed circuit board, there is no need for an additional radiator to assist heat dissipation. The volume and weight are reduced, and the effect of the utility model is indeed achieved.

Claims (10)

1. the light emitting diode matrix display unit of a light-permeable is characterized in that, described light emitting diode matrix display unit comprises:

One transparency carrier has a first surface;

A plurality of conducting wires, compartment of terrain are formed on the described first surface; And

A plurality of light-emitting diodes are arranged with matrix and to be arranged on the described first surface and to be electrically connected with described conducting wire respectively.

2. the light emitting diode matrix display unit of light-permeable according to claim 1 is characterized in that, the material of described transparency carrier is a glass.

3. the light emitting diode matrix display unit of light-permeable according to claim 2 is characterized in that, described conducting wire is conducting resinl to be coated on the described transparency carrier and with sintering form.

4. the light emitting diode matrix display unit of light-permeable according to claim 3 is characterized in that, described conducting resinl includes the silver particles of nanoscale.

5. the light emitting diode matrix display unit of light-permeable according to claim 4 is characterized in that, described sintering temperature is lower than 500 degrees centigrade.

6. the light emitting diode matrix display unit of light-permeable according to claim 5 is characterized in that, described light-emitting diode is pasted the light emitting diode of formula encapsulation pattern for the surface.

7. the light emitting diode matrix display unit of light-permeable according to claim 5 is characterized in that, described light-emitting diode is the LED wafer of un-encapsulated.

8. the light emitting diode matrix display unit of light-permeable according to claim 7 is characterized in that, the light emitting diode matrix display unit of described light-permeable comprises that also one is arranged on the described first surface and covers the encapsulated layer of described LED wafer.

9. the light emitting diode matrix display unit of light-permeable according to claim 6, it is characterized in that, the light emitting diode matrix display unit of described light-permeable, also comprise a plurality of conducting wires on the second surface of described first surface that are formed at described transparency carrier, and a plurality of be electrically connected with conducting wire on the described second surface respectively and towards the luminous light-emitting diode of described first surface direction.

10. the light emitting diode matrix display unit of light-permeable according to claim 7, it is characterized in that, the conducting wire that is electrically connected with positive and negative one of them electrode of two electrodes of described light-emitting diode forms electrical connection each other, and the conducting wire that is electrically connected with the another one electrode of positive and negative two electrodes of described light-emitting diode is the extension of dispersion respectively towards described transparency carrier edge.

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