KR20210023609A - Display apparatus using unmanned aerial vehicle comprising flexible led module - Google Patents

Abstract

Disclosed is a display device implemented in a space using a plurality of unmanned aerial vehicles connected to a flexible LED module. The display device using an unmanned aerial vehicle to which such a flexible LED module is connected comprises: a plurality of the unmanned aerial vehicles flying in a space controlled by a control unit on the ground; and a plurality of the flexible LED modules connected to each of the plurality of the unmanned aerial vehicles and moved to one of the virtual coordinate points in the space. Each of the flexible LED modules comprises: a flexible circuit board divided into a first area, a second area, and a third area; a plurality of first micro LEDs arranged in a matrix on the first area to form a first sub-pixel; a plurality of second micro LEDs arranged in a matrix on the second area to form a second sub-pixel; and a plurality of third micro LEDs arranged in a matrix on the third area to form a third sub-pixel. The first micro LEDs, the second micro LEDs, and the third micro LEDs emit light of different wavelengths.

Description

A display device using an unmanned aerial vehicle connected with a flexible LED module {DISPLAY APPARATUS USING UNMANNED AERIAL VEHICLE COMPRISING FLEXIBLE LED MODULE}

The present invention relates to a display device using an unmanned aerial vehicle to which a flexible LED module is connected, and specifically, one flexible LED module connected to each unmanned aerial vehicle and one such flexible LED module configured to form one pixel in the entire display. It relates to a display device using a vehicle.

In general, an unmanned aerial vehicle, referred to as a drone, is a device that is controlled using radio waves.In the early days, it was used for military use, and in recent years, it has been used for various purposes with the development of communication technology. In recent years, drones are equipped with cameras, sensors, and communication systems, and their shapes, weights, and sizes are developing in various ways depending on their use.

Meanwhile, a technology for connecting or mounting a display to a drone has been disclosed in order to use it for advertisement or information delivery using a drone. In addition, a so-called "drone show", which uses hundreds or thousands of drones to create images of various shapes in space, has also been introduced.

As such, it is predicted that the demand for realizing various images in space using drones will increase more and more, and its utilization will also vary.

The problem to be solved by the present invention is a display using an unmanned aerial vehicle connected with a new concept of a flexible LED module that overcomes the limitations of a space display using a conventional drone, that is, a limitation in realizing various colors or expressing power. It is to provide the device.

In order to solve the above problems, a display device implemented in space using an unmanned aerial vehicle connected with a flexible LED module of the present invention includes a plurality of unmanned aerial vehicles flying in space controlled by a controller on the ground, and the plurality of unmanned aerial vehicles. It includes a plurality of flexible LED modules connected to each of the aircraft and moved to one of the virtual coordinate points in space, and each of the flexible LED modules is divided into a first area, a second area, and a third area. A flexible circuit board, a plurality of first microLEDs arranged in a matrix on the first region to form a first subpixel, and a plurality of second microLEDs arranged in a matrix on the second region to form a second subpixel Micro LEDs and a plurality of third micro LEDs arranged in a matrix on the third area to form a third sub-pixel, wherein the first micro LEDs, the second micro LEDs and the third micro LED They emit light of different wavelengths.

According to an embodiment, the flexible circuit board includes: a first flexible circuit board on which the first micro LEDs are mounted, a second flexible circuit board on which the second micro LEDs are mounted, and the third micro LEDs are mounted. And a third flexible circuit board.

According to an embodiment, each of the flexible LED modules includes a first viscoelastic member and a second viscoelastic member that are incorporated with the flexible circuit board therebetween.

According to an embodiment, the first viscoelastic member includes openings through which the first micro LEDs, the second micro LEDs, and the third micro LEDs are exposed.

According to an embodiment, the first flexible circuit board, the second flexible circuit board, and the third flexible circuit board are spaced apart.

According to an embodiment, each of the flexible LED modules includes a wiring electrically connecting between the first flexible circuit board, the second flexible circuit board, and the third flexible circuit board, and the wiring is the first flexible circuit board. It is embedded between the first viscoelastic member and the second viscoelastic member.

According to an embodiment, the first viscoelastic member is a black color.

According to an embodiment, the first viscoelastic member and the second viscoelastic member include air holes, and the air holes are between the first flexible circuit board and the second flexible circuit board or between the second flexible circuit board and It is formed between the third flexible circuit board.

According to an embodiment, the flexible circuit board is formed of a single circuit board on which all the first micro LEDs, the second micro LEDs, and the third micro LEDs are mounted.

According to an embodiment, the first region, the second region, and the third region are arranged in a horizontal direction or a vertical direction.

According to an embodiment, the flexible circuit board further includes a fourth region, and fourth micro-LEDs are arranged in a matrix in the fourth region.

According to an embodiment, the fourth micro LEDs emit light having the same wavelength as the second micro LEDs.

According to an embodiment, the first region, the second region, the third region, and the fourth region are arranged in a matrix in two rows and two columns.

According to an embodiment, the coordinate points include coordinate points located on a first virtual plane and coordinate points located on a second plane different from the first virtual plane.

According to another aspect of the present invention for solving the above problem, a display device implemented in space using an unmanned aerial vehicle connected with a flexible LED module includes a plurality of unmanned aerial vehicles flying in space controlled by a control unit on the ground, And a plurality of flexible LED modules connected to each of the plurality of unmanned aerial vehicles and moved to one of virtual coordinate points in space, and each of the flexible LED modules includes a first area, a second area, and a third area. A flexible circuit board divided into regions and a plurality of pixel units are arranged in a matrix on the first region, the second region, and the third region, and each of the plurality of pixel units includes a first micro LED, A second micro LED and a third micro LED are included, and the first micro LED, the second micro LED, and the third micro LED emit light having different wavelengths.

In the present invention, in a display device implemented in space using a plurality of unmanned aerial vehicles, a flexible LED module connected to each of the unmanned aerial vehicles forms one pixel capable of realizing full-color, so that a conventional drone There is an effect of overcoming the limitation in the realization of various colors or expressive power, which is the limitation in the display on the space using the.

1 is a view for explaining a display device 100 using an unmanned aerial vehicle connected to a flexible LED module according to an embodiment of the present invention,
2 is a view for explaining the unmanned aerial vehicle 10 and the flexible LED module 20 in FIG. 1,
3 is a view for explaining an example of the flexible LED module 20 of the present invention,
4 is a sub-area arrayed in a matrix in each of the first region 210, the second region 220, and the third region 230, and the regions 210, 220, and 230 in the flexible LED module 20 of FIG. 3. It is a diagram for explaining the pixels (LED1, LED2, LED3),
5 is a view showing an example of a cross section of the flexible LED module 20 of FIG. 3,
6 is a view showing another example of a cross section of the flexible LED module 20 of FIG. 3,
7 is a view showing another example (20') of the flexible LED module of the present invention,
8 is a view showing another example (20") of the flexible LED module of the present invention,
9 is a view showing a specific example of connecting the flexible LED module 20 and the unmanned aerial vehicle 10 of the present invention using a fastening means 26,
10 is a case in which the flexible LED module 20 of the present invention is connected to the lower end 13b of the landing gear of the unmanned aerial vehicle 10 to maintain a folded state (a) and a case in which the unmanned aerial vehicle 10 is maintained in an unfolded state (b) It is a drawing for explaining
11 is a diagram showing an example in which a plurality of unmanned aerial vehicles are arranged in a matrix (having columns E1 to E16) at virtual coordinate points in space to form a display device in space,
FIG. 12 shows unmanned aerial vehicles located in one row to secure enough space to prevent collision with adjacent unmanned aerial vehicles when one row (e.g., E1 row) in FIG. It is a drawing showing an example located on a different plane,
13 is a view showing an example in which unmanned aerial vehicles connected to the flexible LED module 20 are arranged at virtual coordinate points in space in order to implement a ring-shaped image from a viewer's perspective.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. It should be noted that the accompanying drawings and the embodiments described with reference to the drawings are simplified and illustrated with the intention of helping those of ordinary skill in the art to understand the present invention.

FIG. 1 is a view for explaining a display device 100 implemented in space using an unmanned aerial vehicle connected to a flexible LED module according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating an unmanned aerial vehicle 10 and A diagram for explaining the flexible LED module 20, FIG. 3 is a diagram for explaining an example of the flexible LED module 20 of the present invention, and FIG. 4 is a first diagram in the flexible LED module 20 of FIG. A diagram for explaining the region 210, the second region 220 and the third region 230, and the subpixels (LED1, LED2, LED3) arranged in a matrix in each of these regions 210, 220, 230 And FIG. 5 is a view showing an example of a cross section of the flexible LED module 20 of FIG. 3.

First, referring to FIGS. 1 to 5, according to an embodiment of the present invention, a flexible LED module is connected to each unmanned aerial vehicle to form one pixel, and a display device 100 using an unmanned aerial vehicle implemented in space, A plurality of unmanned aerial vehicles 10 and a plurality of unmanned aerial vehicles 10 flying in space controlled by a control unit (not shown) on the ground are connected one by one and moved to one of the virtual coordinate points in space. It includes flexible LED modules 20.

Each of the unmanned aerial vehicles 10 is controlled by wireless communication by a control unit (not shown) on the ground. The unmanned aerial vehicle 10 includes a wing part 11, a main body part 12, and a landing gear 13, and the main body part 12 has a communication system (not shown) for wireless communication with a control unit (not shown) on the ground. ), and a power supply device (not shown) for driving the wing part 11 and driving the flexible LED module 20 is located. Control for power supply and driving between the main body 12 and the flexible LED module 20 is performed through the cable 15. The landing gear 13 is used during take-off and landing of the unmanned aerial vehicle and may have a structure of various shapes.

Each of the flexible LED modules 20 is connected to each of the unmanned aerial vehicles 10 one by one to form one pixel in the entire display device. One flexible LED module 20 includes a flexible circuit board 202, first micro LEDs LED1, second micro LEDs LED2, and third micro LEDs LED3. For convenience, only one of the first micro LEDs LED1, the second micro LEDs LED2, and the third micro LEDs LED3 are shown in the drawing.

The flexible LED modules 20 are divided into a first area 210, a second area 220, and a third area 230, and in the first area 210, the first micro LEDs LED1 are arranged in a matrix. Is formed as a first sub-pixel, second micro-LEDs (LED2) are arranged in a matrix in the second region 220 to form a second sub-pixel, and in the third region 230, third micro-LEDs (LED3) are arranged. ) Are arranged in a matrix to form a third sub-pixel. The first micro LEDs LED1 arranged in a matrix in the first region 210 emit light having a wavelength of the same band, and the second micro LEDs LED2 arranged in a matrix in the second region 220 are also the same. The light having a wavelength of the band is emitted, and the third micro-LEDs (LED3) arranged in a matrix in the third region 230 also emit light having a wavelength of the same band. The first micro LEDs LED1, the second micro LEDs LED2, and the third micro LEDs LED3 emit light having different wavelengths. For example, the first micro LEDs LED1 may be LEDs emitting red light, the second micro LEDs LED2 may be LEDs emitting green light, and the third micro LEDs LED3 may be blue They may be LEDs that emit light. As described above, the first micro-LEDs LED1, the second micro-LEDs LED2, and the third micro-LEDs LED3 emitting light of different wavelengths are respectively a first sub-pixel, a second sub-pixel, and a second sub-pixel. By forming 3 sub-pixels, the flexible LED module 20 may become one pixel for full-color realization.

The first to third micro LEDs LED1 to LED3 are all micro LEDs, and at least one side may have a length of less than 100 micrometers.

In FIG. 1, it is illustrated that a plurality of unmanned aerial vehicles 10 are respectively positioned at one of virtual coordinate points in space to form a display device 100 in a rectangular shape as a whole, but the shape is not limited thereto.

Although an example of the unmanned aerial vehicle 10 is shown in FIG. 2, it is not limited to the structure of the unmanned aerial vehicle 10 illustrated in FIG. 2 as described above, and the flexible LED module 20 of the present invention includes the number and size of wings. , Regardless of the overall shape, it can be applied to any unmanned aerial vehicle.

3 and 4, the spacing or number of micro LEDs (LED1, LED2, LED3) is not limited to the spacing or number shown in the drawings, and varies depending on the range, height, or number of unmanned aerial vehicles to be implemented. It will be able to be transformed.

In addition, micro LEDs (LED1, LED2, LED3) in FIGS. 3A and 4 are divided for each area. That is, the first micro LEDs LED1 are arranged in a matrix in the first region 210, the second micro LEDs LED2 are arranged in a matrix in the second region 220, and the third region 230 The third micro LEDs LED3 are separated from each other and arranged in a matrix.

Unlike this, as shown in (b) of FIG. 3, in each of the first region 210, the second region 220, and the third region 230, one first micro LED (LED1) and one second 2 Micro LED (LED2) and one third micro LED (LED3) are arranged adjacent to each other to form basic pixel units (i.e., each pixel unit is a first micro LED (LED1), a second micro LED (LED2) ), and a third micro LED (LED3)), and may be configured to appropriately adjust on/off or luminance as needed. In this case, when only the first micro LEDs LED1 (e.g., red micro LEDs) emit light, the first micro LEDs LED1 (red micro LEDs) are evenly distributed over the entire area of the flexible LED module 20. In the case of the second micro LEDs LED2 and the third micro LEDs LED3, similarly, the second micro LEDs LED2 and the third micro LEDs LED3 can emit light evenly over the entire area of the flexible LED module 20.

That is, the first micro LEDs LED1 are arranged in a matrix in the first region 210 described above, the second micro LEDs LED2 are arranged in a matrix in the second region 220, and the third region When the third micro LEDs (LED3) are arranged in a matrix at 230 (Fig. 3(a)), the first area 210, the second area 220, and the third area 230 are each sub A pixel is configured, and the three subpixels are composed of only one pixel. On the other hand, first micro-LEDs in each of the first region 210, the second region 220, and the third region 230 ( When LED1), the second micro-LEDs (LED2) and the third micro-LEDs (LED3) are arranged in a matrix (Fig. 3(b)), each of the first area 210 and the second area 220 And the first micro LED (LED1), the second micro LED (LED2), and the third micro LED (LED3) of the third area 230 constitute a pixel unit, so that the pixel unit may be constituted by one pixel.

5, 3, and 4, the flexible circuit board 202 includes a first flexible circuit board 202a on which first micro LEDs LED1 are mounted, and a second micro LEDs LED2. A second flexible circuit board 202b to be used, and a third flexible circuit board 202c on which the third micro LEDs LED3 are mounted. Accordingly, the first micro LEDs LED1 are mounted on the first flexible circuit board 202a on the first region 210 described above, and the first micro LEDs LED1 are mounted on the second flexible circuit board 202b on the second region 220. 2 Micro LEDs LED2 are mounted, and a third flexible circuit board 202c is mounted on the third area 230.

As shown in FIG. 5, the flexible LED module 20 includes a first flexible circuit board 202a, a second flexible circuit board 202b, and a third flexible circuit board 202c are independently manufactured and connected. In this case, the flexible circuit boards 202a, 202b, 202c are connected to each other, and a wiring electrically connecting the flexible circuit boards 202a, 202b, 202c so that they can be controlled through a cable (15 in FIG. 2) ( 25). Further, control units CU1 and CU2 are disposed on the rear surfaces of the flexible circuit boards 202a, 202b, and 202c so that they can be controlled by the main body (not shown). The number of control units CU1 and CU2 is shown as two for convenience, but is not limited thereto.

With continued reference to FIG. 5, each of the flexible LED modules 20 includes a first viscoelastic member 201 and a second viscoelastic member 203 which are combined with a flexible circuit board 202 (202a, 202b, 202c) therebetween. ). The first viscoelastic member 201 and the second viscoelastic member 203, which are combined with each other with the flexible circuit boards 202 interposed therebetween, may form one viscoelastic layer to cover and protect the flexible circuit board 202 by bonding to each other. have. Each of the first viscoelastic member 201 and the second viscoelastic member 203 is made of a viscoelastic material, and may be a urethane rubber material on a film or sheet. In particular, it is preferable that the first viscoelastic member 201 has a black color. When the first viscoelastic member 201 is a black color, a black body is formed around the micro LEDs LED1, LED2, and LED3 to improve visibility.

For example, the first viscoelastic member 201 and the second viscoelastic member 203 may be pressed and bonded to each other in a hot pressing process with the flexible circuit board 202 interposed therebetween in a high temperature state.

The first viscoelastic member 201 includes openings 2010 through which the first micro LEDs LED1, the second micro LEDs LED2, and the third micro LEDs LED3 are exposed. That is, where the micro LEDs LED1, LED2, and LED3 are located, openings 2010 are formed in the first viscoelastic member 201 to correspond to each of the micro LEDs LED1, LED2, and LED3.

In addition, in FIG. 5, the first flexible circuit board 202a, the second flexible circuit board 202b, and the third flexible circuit board 202c are disposed to be spaced apart from each other at predetermined intervals. Sub-pixels, that is, the first micro-LEDs (LED1), the second micro-LEDs (LED2), and the third micro-LEDs (LED3) that emit light of different wavelengths are spaced apart at a predetermined interval. Separate the pixels from each other. The above-described wiring 25, that is, the wiring 25 electrically connecting the first flexible circuit board 202a, the second flexible circuit board 202b, and the third flexible circuit board 202c, is a first viscoelastic member ( It is buried between 201) and the second viscoelastic member 203 and protected.

In addition, the first viscoelastic member 201 and the second viscoelastic member 203 include air holes (refer to 22 of FIGS. 2 to 4 ). The air holes 22 are formed between the first flexible circuit board 202a and the second flexible circuit board 202b or between the second flexible circuit board 202b and the third flexible circuit board 202c. If the unmanned aerial vehicle is located on the virtual coordinates of, and the unmanned aerial vehicle is flying (hovering) at a standstill, the flow of the flexible LED module due to the wind caused by the wind or adjacent drones can be minimized.

6 is a view showing another example of a cross section of the flexible LED module 20 of FIG. 3. 6 and 3 together, the flexible circuit board 202 may be formed as a single circuit board. Overall characteristics, that is, the flexible circuit board 202 is divided into a first region 210, a second region 220, and a third region 23, and the first micro LEDs (LED1) are formed in the first region 210. ) Is arranged in a matrix, second micro-LEDs (LED2) are arranged in a matrix in the second region 220, and third micro-LEDs (LED3) are arranged in a matrix in the third region 230, such a flexible circuit board The characteristics of the first viscoelastic member 201 and the second viscoelastic member 203 being combined with 202 interposed therebetween are all the same.

7 is a diagram showing another example 20' of the flexible LED module of the present invention. In the flexible LED module 20 described above with reference to FIGS. 1 to 6, the first region 210, the second region 220, and the third region 230 of the flexible circuit board 202 are arranged in the longitudinal direction. This is the case. In contrast, as shown in FIG. 7, in the flexible LED module 20 ′, the first region 210 ′, the second region 220 ′, and the third region 230 ′ of the flexible circuit board are arranged in a horizontal direction. It could be.

8 is a view showing another example (20") of the flexible LED module of the present invention. As shown in FIG. 8, the flexible circuit board in the flexible LED module 20" covers the fourth area 240". Further, the fourth micro-LEDs are arranged in a matrix in the fourth area 240". The fourth micro LEDs arranged in the fourth area 240 ″ may be, for example, micro LEDs emitting white light, or micro LEDs emitting light having the same wavelength as the second micro LEDs (eg, green light). May be micro-LEDs that emit light, wherein the first area 210", the second area 220", the third area 230", and the fourth area 240" are 2 rows and 2 columns (2). X 2) It is arranged in a matrix.

The aforementioned virtual coordinate points may include coordinate points positioned on the first virtual plane and coordinate points positioned on a second plane different from the first virtual plane. In this regard, unmanned aerial vehicles located in one row are different from each other into a first virtual plane and a second virtual plane to secure sufficient space to prevent collision with adjacent unmanned aerial vehicles when the location changes or when moving in the virtual coordinates in space. It will be described in detail later with reference to FIG. 12 showing an example located on a plane.

9 is a view showing a specific example of connecting the flexible LED module 20 and the unmanned aerial vehicle 10 of the present invention using the fastening means 26. As shown in FIG. 9, the flexible LED module 20 can be connected to the unmanned aerial vehicle 10 by using a fastening means 26 at the lower end 13b of the landing gears 13a and 13b. The fastening means 26 may be in the form of a connecting ring, and it is sufficient if the flexible LED module 20 can be properly fixed.

10 is a case in which the flexible LED module 20 of the present invention is connected to the lower part 13b of the landing gear of the unmanned aerial vehicle 10 to maintain a folded state (a) and a case in which the unmanned aerial vehicle 10 is maintained in an unfolded state (b ). As shown in (a) of FIG. 10, a rolling state, that is, a folded state may be maintained with the fastening means 26 on the lower side 13b of the landing gear, and the unfolded state may be maintained as shown in (b). May be. For example, when the unmanned aerial vehicle 10 does not need to drive the flexible LED module 20 during takeoff/landing (referred to as a'non-use mode'), it can maintain a folded state as shown in (a), and , When using an unmanned aerial vehicle to serve as one pixel in the entire image implemented by the display device in space (this is referred to as a'use mode'), the unfolded state is maintained as shown in (b). In the non-use mode, by maintaining the folded state as shown in (a), the unmanned aerial vehicle is less resistant to air when flying, so that the flight is smooth. In the folded state of (a), as shown, the lower end of the flexible LED module 20 is shown to be engaged and maintained with the upper end, but the folded state can be maintained in various forms. For example, it may be rolled and maintained like a scroll, or may be folded and maintained in three or more stages.

FIG. 11 is a diagram showing an example in which a plurality of unmanned aerial vehicles are arranged in a matrix (having columns E1 to E16) at virtual coordinate points in space to form a display device in space, and FIG. 12 is a single column in FIG. , Column E1) is a diagram showing an example in which unmanned aerial vehicles located in one row are located on different planes so as to secure sufficient space to prevent collisions with adjacent unmanned aerial vehicles when the position changes or when moving in the virtual coordinates in space.

As shown in FIG. 11, the display device 100 implemented in space using the unmanned aerial vehicle connected to the flexible LED module of the present invention controls a plurality of unmanned aerial vehicles to move to predetermined virtual coordinate points, It can be arranged in a rectangular shape from the perspective of the viewer. The display device 100 is illustrated as having a total of 16 rows (E1 to E16), and the right direction is the Y axis, the upper direction is the Z axis, and the direction coming out of the surface of the paper is set as the X axis. Consider the Cartesian coordinate system.

In addition, as shown in FIG. 12, when looking from the right (that is, the direction in which the Y-axis comes out of the ground), the coordinate points in space are coordinate points located on the first virtual plane and the coordinate points on the second virtual plane. It may include coordinate points located at. For example, considering the E1 column in FIG. 11, the X coordinates of the unmanned aerial vehicle (the flexible LED module connected thereto) indicated as 10_1, 10_3, 10_5, ..., 10_15 and 10_2, 10_4, 10_6, ..., 10_16. The displayed unmanned aerial vehicle (the flexible LED module connected thereto) can be arranged so that its X coordinates are different from each other. By doing this, it is possible to secure a sufficient gap so as not to collide with each other when the unmanned aerial vehicles move.

Furthermore, after first designing a flat design, the coordinate points extracted from the flat design (the coordinates represented by (X,Y), and they all have different values) are lifted in the vertical direction (Z-axis direction in Fig. 11). It is displayed as coordinates in space (X, Y, Z), and by making the Z coordinate values of all coordinate points different (in this case, the coordinates displayed only as orthogonal coordinates in the Z-axis direction, that is, (X, Y)) Are the same, but the Z coordinates are all different), so that collisions of unmanned aerial vehicles in space can be prevented.

In FIGS. 11 and 12, a simple rectangular image is illustrated, but various images may be implemented.

13 is a view showing an example in which unmanned aerial vehicles connected to the flexible LED module 20 are arranged at virtual coordinate points in space in order to implement a ring-shaped image from a viewer's point of view. As shown in FIG. 13, on the space forming the virtual second circle C2 with the unmanned aerial vehicles connected to the flexible LED module 20 arranged at coordinate points on the space forming the virtual first circle C1. By arranging so that the X coordinates of the unmanned aerial vehicles connected to the flexible LED module 20 arranged at the coordinate points are different from each other (see (b)), collision between adjacent unmanned aerial vehicles can be prevented.

In the above, in the display device implemented in space using the flexible LED module of the present invention and the unmanned aerial vehicle to which the flexible LED module is connected, one flexible LED module connected to one unmanned aerial vehicle serves as a pixel in the entire display device, and one The first micro-LEDs, the second micro-LEDs, and the third micro-LEDs that emit light of different wavelengths are separated and disposed in the flexible LED module of. Therefore, there is an advantage of being able to implement a full-color display.

10: unmanned aerial vehicle
20: flexible LED module
100: display device using an unmanned aerial vehicle
201: first viscoelastic member
202: flexible circuit board
203: second viscoelastic member
210: first area
220: second area
230: third area

Claims (20)

A plurality of unmanned aerial vehicles flying in space controlled by a control unit on the ground; And
Includes; a plurality of flexible LED modules connected to each of the plurality of unmanned aerial vehicles and moved to one of virtual coordinate points in space,
Each of the flexible LED modules includes a flexible circuit board divided into a first area, a second area, and a third area, and a plurality of first micro LEDs arranged in a matrix on the first area to form a first sub-pixel. And, a plurality of second micro-LEDs arranged in a matrix on the second region to form a second sub-pixel, and a plurality of third micro-LEDs arranged in a matrix on the third region to form a third sub-pixel. And the first micro-LEDs, the second micro-LEDs, and the third micro-LEDs emit light having different wavelengths. The method according to claim 1,
The flexible circuit board includes a first flexible circuit board on which the first micro LEDs are mounted, a second flexible circuit board on which the second micro LEDs are mounted, and a third flexible circuit board on which the third micro LEDs are mounted. A display device using an unmanned aerial vehicle, characterized in that it comprises. The method according to claim 2,
Each of the flexible LED modules includes a first viscoelastic member and a second viscoelastic member that are integrated with the flexible circuit board therebetween. The method of claim 3,
The first viscoelastic member includes openings through which the first micro-LEDs, the second micro-LEDs, and the third micro-LEDs are exposed. The method according to claim 2,
The display device using an unmanned aerial vehicle, characterized in that the first flexible circuit board, the second flexible circuit board, and the third flexible circuit board are spaced apart. The method of claim 3,
Each of the flexible LED modules includes a wiring electrically connecting the first flexible circuit board, the second flexible circuit board, and the third flexible circuit board,
The wiring is a display device using an unmanned aerial vehicle, characterized in that buried between the first viscoelastic member and the second viscoelastic member. The method of claim 3,
The first viscoelastic member is a display device using an unmanned aerial vehicle, characterized in that the black color. The method of claim 3,
The first viscoelastic member and the second viscoelastic member include air holes, and the air holes are between the first flexible circuit board and the second flexible circuit board or between the second flexible circuit board and the third flexible circuit board Display device using an unmanned aerial vehicle, characterized in that formed between. The method according to claim 1,
The flexible circuit board is a display device using an unmanned aerial vehicle, characterized in that the first micro-LEDs, the second micro-LEDs, and the third micro-LEDs are all mounted on a single circuit board. The method according to claim 1,
The display device using an unmanned aerial vehicle, characterized in that the first area, the second area, and the third area are arranged in a horizontal direction or a vertical direction. The method according to claim 1,
The flexible circuit board further includes a fourth area, and the fourth micro-LEDs are arranged in a matrix in the fourth area. The display apparatus according to claim 11, wherein the fourth micro LEDs emit light having the same wavelength as the second micro LEDs. The method of claim 11,
The first area, the second area, the third area, and the fourth area are arranged in two rows and two columns. The method according to claim 1,
The coordinate points include coordinate points located on a first virtual plane and coordinate points located on a second plane different from the first virtual plane. A plurality of unmanned aerial vehicles flying in space controlled by a control unit on the ground; And
Includes; a plurality of flexible LED modules connected to each of the plurality of unmanned aerial vehicles and moved to one of virtual coordinate points in space,
Each of the flexible LED modules includes a flexible circuit board divided into a first region, a second region, and a third region, and a plurality of pixels arranged in a matrix on the first region, the second region, and the third region. Includes units,
Each of the plurality of pixel units includes a first micro LED, a second micro LED, and a third micro LED,
The display device using an unmanned aerial vehicle, characterized in that the first micro LED, the second micro LED, and the third micro LED emit light having different wavelengths. The method of claim 15,
Each of the flexible LED modules includes a first viscoelastic member and a second viscoelastic member that are integrated with the flexible circuit board therebetween. The method of claim 16,
The first viscoelastic member includes openings through which the first micro-LEDs, the second micro-LEDs, and the third micro-LEDs are exposed. The method of claim 16,
The first viscoelastic member and the second viscoelastic member include air holes. The method of claim 16,
The flexible circuit board includes a first flexible circuit board on which the pixel units of the first area are mounted, a second flexible circuit board on which the pixel units of the second area are mounted, and the pixel units of the third area A display device using an unmanned aerial vehicle, comprising: a mounted third flexible circuit board. The method of claim 19,
Each of the flexible LED modules includes a wiring electrically connecting the first flexible circuit board, the second flexible circuit board, and the third flexible circuit board,
The wiring is a display device using an unmanned aerial vehicle, characterized in that buried between the first viscoelastic member and the second viscoelastic member.

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