KR100891646B1 - Dot line unit providing images to dual sides and display device including the same - Google Patents

Abstract

The display apparatus includes a display unit for providing an image in the display area and a control unit for providing an image signal to the display unit. A plurality of dot line units are arranged to be spaced apart from each other side by side on the display area, and the dot line units are modularized in line units to provide an image in the display area. Spaced spaces are formed between the dot line units, and a control unit is not disposed on the display area. Each dot line unit has front emitters and back emitters that provide images toward the front and back of the display area, respectively, and the control unit is disposed outside the display area, so that images provided from the front and back emitters are provided. Does not receive any obstacles. Alternatively, an image provided toward the front of the display area may be provided toward the rear of the display area through a light diffusing agent provided on the front of the front light emitters, thereby providing an image on the front and the rear of the display area, respectively. .

Dot Line Unit, Front Emitter, Back Emitter, Driving Chip

Description

Dot line unit providing images in both directions and a display device having the same {dot line unit providing images to dual sides and display device including the same}

1 is a front view schematically showing a display device according to the present invention.

2 is a view schematically showing the configuration of a dot line unit and a control unit according to the present invention.

FIG. 3 is a diagram schematically illustrating a signal flow of the dot line unit of FIG. 2.

4 is a diagram schematically illustrating a modified embodiment of FIG. 3.

<Description of Symbols for Main Parts of Drawings>

1: display device 10: display unit

12: frame 14: display area

20: dot line unit 22a, 22b: front light emitting body

23a, 23b: back light emitter 24a, 24b: driving chip

26: substrate 28: protective cover

30: control unit 32: data control unit

34: receiver 36: power supply

The present invention relates to a dot line unit and a display device including the same, and more particularly, to a dot line unit including a plurality of light emitting bodies and a plurality of driving chips, and a display device including the same.

A display device such as an electric signboard supplies a current to the light emitters while providing a plurality of light emitters in a plane, thereby providing an image such as a picture or a character on the front of the display device.

Such a display device provides an image toward the front in a state where a plurality of matrix modules composed of a plurality of light emitters are combined. At the rear of the display apparatus, signal lines for providing image signals to a plurality of matrix modules or a control box for controlling each matrix module are provided. Thus, the backside of the display device was very complicated due to the numerous signal lines, and the overall thickness of the display device was thick.

In addition, the display device only provides an image toward the front side, and no image can be provided due to signal lines on the rear side of the display apparatus, and two displays are needed to provide an image toward the front and rear sides of the display apparatus. It was only possible to install the device facing the front and back, respectively, and then provide the image towards the front and back.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a dot line unit having a simplified signal transmission structure and a display device having the same.

Another object of the present invention to provide a dot line unit and a display device having the same can reduce the overall thickness of the display device.

It is still another object of the present invention to provide a dot line unit capable of providing an image toward a front side and a rear side of a display device, and a display device having the same.

Still other objects of the present invention will become more apparent from the following detailed description and the accompanying drawings.

According to the present invention, a display apparatus includes a display unit for providing an image to a display area and a control unit provided outside the display area and providing an image signal to the display unit, wherein the display unit receives the image signal. A plurality of front light emitters for providing an image toward the front of the display area, and a plurality of drive chips for providing a video signal to the front light emitters, wherein the control unit includes drive chips adjacent to the control unit. To provide the video signal.

The display unit includes a plurality of dot line units each of which is modularized in line units and includes the front light emitting bodies and the driving chips disposed along the line, wherein the driving chips receive the image signal from the control unit. A first driving chip, a second driving chip receiving the image signal from the first driving chip, and a third driving chip receiving the image signal from the second driving chip may be included.

The first driving chips and the control unit may be disposed to be adjacent to one side of the display area. In addition, the driving chips may have a one-to-one correspondence with the front light emitting bodies.

The dot line unit may further include a substrate disposed along the line and on which the front light emitting bodies and the driving chips are mounted. The display unit may further include a plurality of back light emitters provided in the display area to correspond to the front light emitters and provide an image toward the rear of the display area by using the image signal. In addition, each of the driving chips may equally provide the image signal to the front light emitting bodies and the back light emitting bodies corresponding to the front light emitting bodies. In addition, the driving chips and the front light emitting bodies may have a one-to-one correspondence, and the driving chips and the rear light emitting bodies may have a one-to-one correspondence.

The display unit may further include a protective cover surrounding the front light emitting bodies and the rear light emitting bodies, and the protective cover may be made of a transparent material.

The control unit may include a receiver configured to receive the image signal from the outside and a data controller provided on one side of the display area and converting the image signal received from the receiver to provide to the driving chip.

The display unit further includes a frame defining the display area, and the control unit may be installed below the frame.

According to the present invention, a dot line unit modularized in units of lines and providing an image to a display area is disposed along the line and includes a plurality of front surfaces that provide an image toward the front of the display area by using an image signal applied from the outside. And a plurality of driving chips disposed along the line and configured to provide an image signal to the front light emitting members, wherein the driving chips are provided at one end of the line to apply an image signal from the outside. And a second driving chip receiving the image signal from the first driving chip.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to FIGS. 1 to 4. Embodiment of the present invention may be modified in various forms, the scope of the present invention should not be construed as limited to the embodiments described below. This embodiment is provided to explain in detail the present invention to those skilled in the art. Accordingly, the shape of each element shown in the drawings may be exaggerated to emphasize a more clear description.

1 is a front view schematically showing a display device 1 according to the present invention. The display device 1 includes a display unit 10 and a control unit 30. The display unit 10 provides an image to the display area 14 defined by the frame 12.

The display unit 10 includes a plurality of dot line units 20 modularized in line units. The dot line units 20 are disposed on the display area 14 and provide an image to the display area 14. As illustrated in FIG. 1, one dot line unit 20 is disposed in the vertical direction, and the plurality of dot line units 20 are disposed to be spaced apart from each other in parallel in the left and right directions. Therefore, a gap (not shown) of a predetermined distance is formed between the dot line units 20. The space is provided to penetrate the front and rear of the display area 14, and as described below, no controls are installed on the front and rear of the display area 14, so that the front or the front of the display area 14 is spaced through the space. You can see backwards. The frame 12 wraps around the dot line units 20 and defines a rectangular display area 14. Unlike the present embodiment, the shape of the display area 14 and the arrangement direction of the dot line units 20 are not limited to the present embodiment, and they may be variously modified.

The control unit 30 provides an image signal to the display unit 10. The control unit 30 is disposed below the display unit 10 corresponding to the outside of the display area 14. That is, no control device is provided on the display area 14 where the image is provided, and the control unit 30 is disposed adjacent to the display area 14. Specific reasons for arranging the control unit 30 outside the display area 14 will be described later.

2 is a diagram schematically showing the configuration of the dot line unit 20 and the control unit 30 according to the present invention.

As described above, the plurality of dot line units 20 are arranged in parallel to each other in the left and right directions, and each dot line unit 20 has the same structure and function. Therefore, hereinafter, only one dot line unit 20 will be described.

The dot line unit 20 includes front light emitting bodies 22a, 22b, 22c, and 22d and driving chips 24a, 24b, 24c and 24d. The front emitters 22a, 22b, 22c, and 22d emit light according to a signal applied from the outside, thereby realizing an image on the front of the display area 14, and the driving chips 24a, 24b, 24c, and 24d are respectively Provides an image signal for the front light emitting bodies 22a, 22b, 22c, and 22d.

As shown in FIG. 2, the front light emitters 22a, 22b, 22c, and 22d are arranged at regular intervals in the vertical direction, and the first front light emitter 22a, the second front light emitter 22b, and the third from the bottom. The front light emitting body 22c and the fourth front light emitting body 22d are called. The driving chips 24a, 24b, 24c, and 24d are similarly arranged at regular intervals in the vertical direction, and the first driving chip 24a, the second driving chip 24b, the third driving chip 24c, and the first driving chip 24a are arranged at regular intervals from the bottom. It is named 4 driving chip 24d. The driving chips 24a, 24b, 24c, and 24d are disposed under the respective front emitters 22a, 22b, 22c, and 22d to have a one-to-one correspondence with the front emitters 22a, 22b, 22c, and 22d, respectively. Each of the driving chips 24a, 24b, 24c, and 24d provides an image signal to the corresponding front light emitters 22a, 22b, 22c, and 22d. That is, the first driving chip 24a is disposed under the first front light emitting body 22a, and the first driving chip 24a provides an image signal to the first front light emitting body 22a. In addition, a second driving chip 24b is disposed below the second front light emitting body 22b, and the second driving chip 24b provides an image signal to the second front light emitting body 22b. The third and fourth front light emitting bodies 22c and 22d and the third and fourth driving chips 24c and 24d are also the same.

The dot line unit 20 further includes a substrate 26 and a protective cover 28. The substrate 26 is disposed in the vertical direction and extends from the top to the bottom of the display area 14, and the front light emitters 22a, 22b, 22c, and 22d and the driving chips 24a, 24b, and 24c are disposed on the substrate 26. 24d) is mounted. In the present exemplary embodiment, one substrate 26 is provided, but the substrate 26 may be divided into two or more portions, and the two or more substrates 26 may be connected using separate signal lines. A signal pattern is formed on the substrate 26 to enable the signal flow described below with respect to the top light emitting members 22a, 22b, 22c, 22d and the driving chips 24a, 24b, 24c, and 24d. The protective cover 28 has a cylindrical shape and surrounds the front light emitters 22a, 22b, 22c and 22d and the driving chips 24a, 24b, 24c and 24d to protect them from the outside. However, the light emitted from the front light emitters 22a, 22b, 22c, and 22d is made of a material that can transmit, and includes a transparent material and a translucent material.

The control unit 30 includes a data control unit 32, a receiver 34, and a power supply unit 36. The receiver 34 receives an image signal from the outside through an input port such as an HDMI port or a DVI port, and transmits the received image signal to the data controller 32. The data controller 32 converts an image signal received from the receiver 34 to supply the first driving chips 24a positioned at the bottom of the dot line unit 20, respectively, and supplies the first driving chips 24a of the first driving chips 24a. The video signals are not separately supplied to the second to fourth driving chips 24b, 24c, and 24d provided thereon. The power supply unit 36 supplies power to the data control unit 32 and the receiver 34. A detailed description of the flow of the video signal will be described later.

3 is a diagram schematically illustrating a signal flow of the dot line unit 20 of FIG. 2. As described above, an external video signal is received through the receiver 34, and the received video signal is transmitted to the data controller 32. The data controller 32 converts the received video signal and supplies the converted video signal to the first driving chip 24a.

The image signal supplied to the first driving chip 24a is sequentially transmitted to the second to fourth driving chips 24b, 24c, and 24d, and propagates from the lower part of the dot line unit 20 to the upper part. That is, the image signal supplied to the first driving chip 24a is transferred to the second driving chip 24b, and the image signal transferred to the second driving chip 24b is transferred to the third driving chip 24c. The image signal transmitted to the third driving chip 24c is transferred to the fourth driving chip 24d. On the other hand, the driving chips 24a, 24b, 24c, and 24d receiving the image signal supply the image signal to the respective front light emitters 22a, 22b, 22c, and 22d, and the respective front light emitters 22a and 22b. , 22c and 22d emit light according to an image signal to provide an image in front of the display area 14.

As described above, the image signal is sequentially transmitted from the bottom to the top of the dot line unit 20 between the adjacent driving chips 24a, 24b, 24c, and 24d, and thus the signal formed on the signal transmission structure and the substrate 26. The structure of the pattern can be simplified, thereby reducing the overall thickness of the display apparatus 1. That is, in the related art, the first driving chip 24a receiving the image signal directly transmits the image signal to each of the driving chips (for example, the second to fourth driving chips 24b, 24c, and 24d). Since the transmission, many signal patterns are formed between the first driving chip 24a and the respective driving chips, thereby increasing the thickness of the substrate 26 and increasing the overall thickness of the display device 1. There was. However, by changing the signal flow, the thickness of the substrate 26 and the display device 1 can be reduced while simplifying the structure of the signal patterns formed on the substrate 26.

In addition, as described above, since no control device is provided on the front and rear surfaces of the display area 14 in which the image is provided, the spaces formed between the dot line units 20 are provided uniformly, You can see the front and rear of the display area. As described above, in the related art, the control box or the signal lines are complicatedly provided on the rear side of the display device. However, in the present embodiment, the thickness of the entire display device 1 may be reduced and the dot lines may be reduced due to the removal of such portions. It allows for the transmission of light through the space between the units 20. Other content is provided more clearly through the following examples.

4 is a diagram schematically illustrating a modified embodiment of FIG. 3. As shown in FIG. 4, front light emitters 22a, 22b, 22c and 22d are mounted on a front surface of the substrate 26, and back light emitters 23a, 23b, 23c and 23d are mounted on a rear surface of the substrate 26. This is mounted. The back emitters 23a, 23b, 23c, and 23d emit light according to a signal applied from the outside to implement an image on the back of the display area 14. That is, the front emitters 22a, 22b, 22c, 22d embody an image on the front of the display area 14, while the back emitters 23a, 23b, 23c, 23d are the back of the display area 14. Since the image is implemented in, the image may be provided on both sides of the display area 14. In the present embodiment, a method of using the front emitters 22a, 22b, 22c, and 22d and the back emitters 23a, 23b, 23c, and 23d as a method of providing an image on both sides of the display area 14 will be described. However, the present invention is not limited thereto. Display an image provided on the front of the display area 14 from the front emitters 22a, 22b, 22c, 22d through a light diffuser (not shown) provided on the front of the front emitters 22a, 22b, 22c, 22d. The rear surface of the region 14 may be provided, and thus images may be provided on both sides of the display region 14. Since the light diffusing agent is obvious to those skilled in the art, detailed description thereof will be omitted. In addition, various methods of providing an image on both sides of the display area 14 may be provided.

As such, one of the reasons for providing an image on the front and rear of the display area 14 using one display device 1 is that the control unit 30 is not provided on the display area 14. to be. Unlike the related art, since no obstacles such as a control box or an input port are provided on the front and the rear of the display area 14, the image is not disturbed even when the image is provided on the front or the rear of the display area 14. Do not.

Like the front light emitters 22a, 22b, 22c, and 22d, the back light emitters 23a, 23b, 23c, and 23d are arranged at regular intervals in the vertical direction, as shown in FIG. 23a, 23b, 23c, 23d are provided opposite the corresponding front emitters 22a, 22b, 22c, 22d. The back emitters 23a, 23b, 23c, and 23d are referred to as a first back emitter 23a, a second back emitter 23b, a third back emitter 23c, and a fourth back emitter 23d from below. The driving chips 24a, 24b, 24c, and 24d have a one-to-one correspondence with the front light emitters 22a, 22b, 22c, and 22d, respectively, and have a one-to-one correspondence with the back light emitters 23a, 23b, 23c, and 23d, respectively. In addition, the driving chips 24a, 24b, 24c, and 24d provide the same image signal to the corresponding front emitters 22a, 22b, 22c, and 22d and the rear emitters 23a, 23b, 23c, and 23d. . That is, the first driving chip 24a provides the same image signal to the first front light emitting body 22a and the first rear light emitting body 23a, and the second driving chip 24b includes the second front light emitting body 22b and the first driving light. 2 Provide the same video signal to the rear light emitting body (23b). The same applies to the third driving chip 24c and the fourth driving chip 24d. Accordingly, the display device 1 may provide the same image on the front and rear of the display area 14.

Although the present invention has been described in detail with reference to preferred embodiments, other forms of embodiments are possible. Therefore, the spirit and scope of the claims set forth below are not limited to the preferred embodiments.

According to the present invention, since no control device is provided on the front and the rear of the display area in which the image is provided, the spaces formed between the dot line units are provided uniformly, and the front and rear of the display area is provided through the space. You can see. In addition, it is possible to reduce the thickness of the entire display device through this.

In addition, by providing the control device outside the display area, an image may be provided to the front and the rear of the display area, and the provided image may be prevented from being disturbed by the control device.

In addition, it is possible to simplify the structure of the signal pattern formed on the substrate by changing the flow of the image signal provided to the driving chips. It is also possible to reduce the thickness of the substrate and the overall thickness of the display device.

Claims (25)

A display unit for providing an image in the display area; And A control unit provided outside the display area and providing an image signal to the display unit, The display unit, A plurality of front light emitting bodies configured to provide an image toward the front of the display area by using the video signal; And A plurality of driving chips provided corresponding to the front light emitting bodies and sequentially receiving image signals from the control unit; The control unit provides the image signal to driving chips adjacent to the control unit among the driving chips, and each of the remaining driving chips among the driving chips is disposed adjacent to the control unit in a direction toward the control unit. Display device, characterized in that for receiving the image signal from each of the chips. The method of claim 1, The display unit, And a plurality of dot line units, each of which is modularized in a line unit and includes the front light emitting bodies and the driving chips disposed along the line. The method according to claim 1 or 2, And the driving chips have a one-to-one correspondence with the front light emitting bodies. The method of claim 2, The dot line unit further comprises a substrate disposed along the line and on which the front light emitting bodies and the driving chips are mounted. The method according to claim 1 or 2, The display unit may further include a plurality of back light emitters provided in the display area to correspond to the front light emitters and provide an image toward the rear of the display area by using the image signal. The method of claim 5, Each of the driving chips provides the same image signal to the front light emitting bodies and the back light emitting bodies corresponding to the front light emitting bodies. The method of claim 6, The driving chips and the front light emitting body have a one-to-one correspondence relationship, And the driving chips and the back light emitting body have a one-to-one correspondence. The method according to claim 1 or 2, The display unit further includes a protective cover surrounding the front light emitting bodies and the driving chips. The protective cover is a display device, characterized in that the light transmitting material. The method according to claim 1 or 2, The control unit, A receiver which receives the video signal from the outside; And And a data control unit provided at one side of the display area and converting the image signal received from the reception unit to provide to the driving chip. The method according to claim 1 or 2, The display unit further includes a frame defining the display area, And the control unit is installed under the frame. In the dot line unit modularized by line to provide an image in the display area, A plurality of front emitters disposed along the line and configured to provide an image toward the front of the display area by using an image signal applied from the outside; And A plurality of driving chips disposed along the line and configured to provide the image signal to the front light emitting members, The image signal is applied to a driving chip provided at one end of the line among the driving chips, and the remaining driving chips of the driving chips are connected to the image from the driving chip adjacent to the other end of the line from one end of the line. Dot line unit characterized in that the signal is received. The method of claim 11, And the driving chips have a one-to-one correspondence with the front light emitting bodies. The method of claim 11, The dot line unit may further include a plurality of back light emitters provided in the display area to correspond to the front light emitters and provide an image toward the rear of the display area using the image signal. unit. The method of claim 13, Each of the driving chips may provide the same image signal to the front light emitting bodies and the back light emitting bodies corresponding to the front light emitting bodies. The method of claim 14, And the driving chips and the front light emitting bodies have a one-to-one correspondence, and the driving chips and the rear light emitting bodies have a one-to-one correspondence. The method of claim 11, The dot line unit further comprises a substrate disposed along the line and on which the front light emitting bodies and the driving chips are mounted. The method of claim 11, The dot line unit further includes a protective cover surrounding the front light emitting bodies and the driving chips. The protective cover is a dot line unit, characterized in that the light transmitting material. A plurality of dot line units modularized on a line basis to provide an image in the display area and disposed to be spaced apart from each other in parallel to each other; And A control unit provided outside the display area and providing an image signal to the dot line units, The dot line unit includes a plurality of front light emitting bodies that provide an image toward the front of the display area using the image signal, and a plurality of driving units connected in series with each other and providing the image signal to the front light emitting bodies. Display device comprising a chip. The method of claim 18, The dot line unit may further include a plurality of back light emitters provided in the display area to correspond to the front light emitters and provide an image toward the rear of the display area using the image signal. The method of claim 19, The dot line unit further comprises a substrate on which the front light emitting bodies are mounted on a front surface and the back light emitting bodies are mounted on a rear surface of the dot line unit. The method of claim 20, The dot line unit further comprises a protective cover surrounding the front light emitting bodies and the back light emitting bodies. The method of claim 18, The display device further includes a frame defining the display area, And the control unit is installed under the frame. The method according to any one of claims 18 to 22, And the control unit provides the image signal to each of the driving chips adjacent to the control unit among the driving chips. The method of claim 23, wherein The control unit, A receiver which receives the video signal from the outside; And And a data controller provided at one side of the display area, and configured to convert the image signal received from the receiver to provide the driving signals to the driving chips. The method according to any one of claims 19 to 22, Each of the driving chips provides the same image signal to the front light emitting bodies and the back light emitting bodies corresponding to the front light emitting bodies.

Images