KR100407768B1 - Display pixel and module for electric signboard using organic electroluminescence - Google Patents

Abstract

According to the present invention, the light emitting device of each pixel constituting the display board is composed of an organic electroluminescence device to reduce the energy consumption of the display panel, and to achieve an ultra-thin and light weight structurally. A display pixel and a module, the case having an opening formed on one side; Voltage application means mounted on one side of the case and connected to an external power source to apply a driving voltage; An organic electroluminescent element attached to an outer side of the voltage applying unit so as to be disposed inside the case and emitting light by a driving voltage applied through the voltage applying unit; And a sealing means mounted to the front surface of the organic light emitting diode and sealing the organic light emitting diode so that the organic light emitting diode is not exposed to the outside and transmitting light emitted by the organic light emitting diode to the outside. A front case in which a display pixel for an electronic display panel using a device and a partition for partitioning the display pixel into a plurality of compartments having an opening on one side thereof; Voltage applying means attached to a rear surface of the front case and connected to an external power source to apply a driving voltage; A plurality of organic light emitting elements attached to an outer side of the voltage applying unit so as to be disposed in each compartment of the front case and emitting light by a driving voltage applied through the voltage applying unit; And sealing the organic electroluminescent device so as not to be exposed to the outside, and sealing means for transmitting the light emitted by the organic electroluminescent device to the outside.

Description

Display pixel and module for display board using organic light emitting device {DISPLAY PIXEL AND MODULE FOR ELECTRIC SIGNBOARD USING ORGANIC ELECTROLUMINESCENCE}

The present invention relates to a display pixel for a display board and a module, and more particularly, the light emitting device of each pixel constituting the display board is composed of an organic electroluminescence device to reduce the energy consumption of the display board, structurally ultra-thin and The present invention relates to a display pixel and a module for an electronic display panel using an organic light emitting display device capable of achieving a light weight.

In general, various information transmission media have been used for the delivery of information, but among them, the image media occupies the most important position, and the importance thereof is getting higher as the multimedia technology is accelerated. Accordingly, various display devices using LEDs, CRTs, PDPs, and the like have been widely used.

Among the various display devices, the display unit of the display panel used as a large image transmission medium is composed of a plurality of pixels that emit light of individual colors, and LED lamps have been mainly used as light emitting devices mounted on the pixels. A conventional LED display board using an LED as a light emitting device will be briefly described with reference to FIGS. 1 and 3 as follows.

As shown in FIG. 1, the conventional LED display board provides image information through the display unit 100 mounted on the front of the main frame 101, and the display unit 100 includes a plurality of LED sectors arranged in series. Consists of 110.

FIG. 2 is a three-sided view showing the configuration of the LED sector 110 of the conventional LED signboard, wherein the LED sector 110, as shown, a case 112 having an inner hole 111; A plurality of LED modules 120 continuously attached to the front of the case 112; Mounted inside the case 112, and consists of a power supply (113) for supplying current to each of the LED module (120).

Figure 3 is a three-sided view showing the configuration of the LED module 120 of the conventional LED sign, the LED module 120, as shown, a plastic frame 121; The circuit board 123 is attached to the front surface of the frame 121 and includes a plurality of LED pixels 122 arranged in series.

The conventional LED display board configured as described above is operated by a DC power supply provided by the power supply 113, and the LED pixels 122 are predetermined by emitting light of various colors by the control system of the display board. Image information is delivered.

However, the conventional LED display panel as described above requires a high voltage as a driving voltage due to the characteristics of the elements of the LED lamps provided in each pixel 122, and the power consumption is relatively large, due to the shape of the LED lamp to emit light The thickness of the part becomes thick and there is a problem that the viewing angle is limited. Furthermore, since the conventional LED signboard generates a large amount of heat during its operation, energy consumption is increased and the thickness of the device is increased because a large capacity cooling device must be installed to cool the LED module 120. There was a problem.

Accordingly, the present invention has been made to solve the above problems, and the light emitting device of each display pixel constituting the display panel is made of an organic electroluminescent device which is a flat panel display device can be driven at a low voltage, energy consumption is reduced Another object of the present invention is to provide a display pixel and a module for an electronic display panel using an organic light emitting display device that can achieve ultra-thin and light weight structurally.

1 is a front view of a conventional LED sign.

Figure 2 is a three-side view of the LED sector constituting a conventional LED sign

3 is a three side view of the LED module of the conventional LED sector shown in FIG.

Figure 4 is a three view showing the configuration of an embodiment of a display pixel for a display board using an organic light emitting display device according to the present invention.

FIG. 5 is an exploded perspective view showing an assembled state of a display pixel for an electronic display panel using the organic light emitting display device of the present invention shown in FIG. 4;

Figure 6 is a three side view showing the configuration of an embodiment of a display module for an electronic panel using an organic light emitting display device according to the present invention.

FIG. 7 is an exploded perspective view showing an assembled state of a display module for an electronic display panel using the organic light emitting display device of the present invention shown in FIG.

* Explanation of symbols for main parts of the drawings

210: case 211: sun visor

220: circuit board 230: organic light emitting device

240: front cover 250: bolt

260: power input cable 261: electrode

The present invention, the opening is formed on one side in order to achieve the above object; Voltage application means mounted on one side of the case and connected to an external power source to apply a driving voltage; An organic electroluminescent element attached to an outer side of the voltage applying unit so as to be disposed inside the case and emitting light by a driving voltage applied through the voltage applying unit; And a sealing means mounted to the front surface of the organic light emitting diode and sealing the organic light emitting diode so that the organic light emitting diode is not exposed to the outside and transmitting light emitted by the organic light emitting diode to the outside. Provided is a display pixel for an electronic display board using the device.

In addition, the present invention, the front case is formed with a partition for partitioning into a plurality of compartments having an opening on one side; Voltage applying means attached to a rear surface of the front case and connected to an external power source to apply a driving voltage; A plurality of organic light emitting elements attached to an outer side of the voltage applying unit so as to be disposed in each compartment of the front case and emitting light by a driving voltage applied through the voltage applying unit; And sealing the organic electroluminescent device so as not to be exposed to the outside, and sealing means for transmitting the light emitted by the organic electroluminescent device to the outside.

The present invention is to provide a display pixel for an electronic display panel and a display module integrating the same using the organic light emitting device as a light emitting device to emit light of each individual color, structurally lightweight and thinner In addition, the energy consumption is reduced, and there is an advantage of providing more excellent image information.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 4 is a three-sided view showing an embodiment of a display pixel using an organic light emitting display device according to the present invention, and FIG. 5 is an exploded perspective view showing the assembled state thereof.

As shown in FIGS. 4 and 5, the display pixel using the organic light emitting diode of the present invention includes a case 210 having a predetermined space formed therein and having one side open; A circuit board 220 mounted inside the case 210; A power input cable 260 having one end connected to the circuit board 220 and having an electrode 261 connected to an external power source on the other side thereof; A flat organic light emitting diode 230 mounted on an outward side of the circuit board 220; In order to prevent the organic light emitting diode 230 from being exposed to the outside, the front cover 240 mounted on the front portion of the organic light emitting diode 230, the circuit board 220, and the front cover 240 may be disposed in the case ( And a bolt 250 that secures it to 210.

Here, the front end of the case 210 is provided with a sunshade 211 extending forward to block the external light such as sunlight.

In addition, when the positive voltage is applied to the positive electrode and the negative voltage is applied to the negative electrode, holes injected from the positive electrode and electrons injected from the negative electrode are recombined in the organic thin film layer. As a light emitting device for emitting light, in the present embodiment, the organic light emitting device 230 is formed of a full color light emitting device in which all of the materials emitting red light, green light and blue light are deposited on each device.

In addition, the circuit board 220 includes a circuit for applying a driving voltage to each of the red, green and blue light generating materials of the organic light emitting diode 230.

In addition, the front cover 240 is mounted to the opening of the case 210 via the bolt 250, the center of the frame 241 is opened; It is mounted to the open central portion of the frame 241, and consists of a lens 242 made of a transparent material so that the light emitted from the organic light emitting device 230 can be transmitted to the outside. Here, the lens 242 is made of any one of a concave lens, a convex lens and a planar lens as necessary.

The display pixel for the display panel using the organic light emitting device according to the present invention configured as described above, by using an organic light emitting device that is a surface light emitting device driven at a low voltage, it reduces the thickness and weight of the display plate, and reduces the power consumption In this case, a plurality of cells are integrated to form a screen of a display board, and when a driving voltage of a predetermined size is applied through the power input cable 260, the organic light emitting diode 230 emits light to the outside. do. In this case, the organic light emitting diode 230 provided in each pixel emits light of a predetermined color by controlling voltages applied to the red light, blue light, and green light generator, and emits light of different colors for each pixel. As a result, the electronic display board can provide predetermined image information to the outside.

On the other hand, the display pixel for the display panel using the organic electroluminescent device of the present invention as described above is modularized as shown in Figures 6 and 7 to increase the ease of fabrication and installation as well as the individual independent structure as in the above-described embodiment It may be made of a structure.

FIG. 6 is a three-sided view showing the configuration of an embodiment of a display module for an electronic display panel using an organic light emitting display device according to the present invention, and FIG. 7 is an exploded perspective view showing the assembled state thereof.

As shown in FIGS. 6 and 7, the display module for the display panel using the organic light emitting display device of the present invention includes a front case 310 in which partitions 311 are formed for partitioning into a plurality of compartments constituting independent pixels. ; A circuit board 320 mounted at a rear of the front case 310; A plurality of flat panel organic light emitting diodes 321 mounted on an outward side of the circuit board 320 so as to be disposed in each compartment of the front case 310; The cover lens 330 is provided at the front of each compartment of the front case 310 to prevent the organic light emitting diode 321 from being exposed to the outside, and to allow the emitted light to pass through to the outside. It consists of a rear case 340 coupled with the front case 310 to surround the rear portion of the circuit board 320.

Here, the front of the partition 311 of the upper compartment of the front case 310 is provided with a sunshade 312 extending forward to block the sunlight.

In addition, the organic light emitting display device 321 is substantially the same as the organic light emitting display device 230 of the above-described embodiment, and a plurality of organic light emitting display devices 321 are attached to one circuit board 320. The circuit board 320 includes a circuit for applying a driving voltage to each of the red, green, and blue light generating materials of each organic light emitting diode 321.

In addition, the cover lens 330 performs the same role as the front cover 240 of the above-described embodiment, and made of any one of a concave lens, a convex lens and a planar lens as necessary.

The display module for the display panel using the organic light emitting device according to the present invention configured as described above is to increase the efficiency and convenience of manufacturing and installation by integrating a plurality of pixels, at least one or more gather to form the screen of the display panel Since the driving thereof is the same as in the above-described embodiment, it is omitted.

Meanwhile, in the present embodiment, the plurality of organic light emitting diodes 321 are mounted on one circuit board 320, and the rear case 340 is coupled to the rear of the circuit board 320 so that a plurality of pixels are formed. Although described as forming an integrated display module, the display module using the organic light emitting display device of the present invention is not limited thereto, and the rear surface of each compartment of the front cover 310 has a sealed structure, and each compartment It may be made of a structure equipped with a separate circuit board therein.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

According to the present invention as described above, since the display element of each pixel constituting the display unit of the display panel is made of an ultra-thin organic light emitting device, it is possible to reduce the weight and ultra-thin of the display plate, and to operate the display panel even with a low voltage driving power This is possible, there is an effect that the energy consumption required to drive the sign board is reduced.

In addition, according to the present invention, since the organic light emitting device constituting the display device of each pixel has characteristics such as wide viewing angle, good color, high responsiveness and contrast, the image information of excellent image quality is displayed through the electronic display board. There is an effect that can be provided.

Claims (11)

A case in which an opening is formed at one side; Voltage application means mounted on one side of the case and connected to an external power source to apply a driving voltage; An organic electroluminescent element attached to an outer side of the voltage applying unit so as to be disposed inside the case and emitting light by a driving voltage applied through the voltage applying unit; And Sealing means mounted on the front portion of the organic light emitting device, the sealing means for sealing the organic light emitting device not to be exposed to the outside, but transmits the light emitted by the organic light emitting device to the outside Display pixel for the display board using an organic light emitting device comprising a. The method of claim 1, And a sunshade plate extending forward from an upper end of the opening side of the case to block light from the outside. The method according to claim 1 or 2, The voltage application means A circuit board on which a circuit for applying a driving voltage to each of the red light, green light and blue light generator of the organic light emitting diode is formed; One side thereof is provided with an electrode for connection with an external power source, and a power input cable for connecting the circuit board and an external power source. Display board using an organic light emitting display device comprising a. The method according to claim 1 or 2, The sealing means A frame with an open center; A transparent member made of a material which is mounted on the open central portion of the frame and can transmit light Display pixel for the display board using an organic light emitting device comprising a. The method of claim 4, wherein An organic light emitting display pixel using the organic light emitting element of the transparent member made of any one of a convex lens, a concave lens and a planar lens. A front case having partitions for partitioning into a plurality of compartments having openings on one side; Voltage applying means attached to a rear surface of the front case and connected to an external power source to apply a driving voltage; A plurality of organic light emitting elements attached to an outer side of the voltage applying unit so as to be disposed in each compartment of the front case and emitting light by a driving voltage applied through the voltage applying unit; And Sealing means for sealing the organic electroluminescent device not to be exposed to the outside, but transmits the light emitted by the organic electroluminescent device to the outside Display module for an electronic panel using an organic light emitting device comprising a. The method of claim 6, The display module for an electronic display panel using an organic light emitting device further comprising a sunshade for extending the front from the top of each compartment of the front case to block light from the outside. The method according to claim 6 or 7, The voltage application means A circuit board on which a circuit for applying a driving voltage to each of the red light, green light and blue light generator of the organic light emitting diode is formed; One side thereof is provided with an electrode for connection with an external power source, and a power input cable for connecting the circuit board and an external power source. Display module for an electronic panel using an organic light emitting device comprising a. The method according to claim 6 or 7, The sealing means A frame mounted to the front of each compartment of the front case and having an open center; A transparent member mounted to an open central portion of the frame and made of a material capable of transmitting light; A rear case coupled to the front case to surround a rear portion of the voltage applying means Display module for an electronic panel using an organic light emitting device comprising a. The method according to claim 6 or 7, The sealing means is mounted to the front of each compartment of the front case, a transparent member made of a material which can transmit light; A rear case coupled to the front case to surround a rear portion of the voltage applying means Display module for an electronic panel using an organic light emitting device comprising a. The method of claim 9, The display module for an electronic display board using the organic light emitting element of the transparent member is any one of a convex lens, a concave lens and a planar lens.