KR20070002110A - Display with 2d or 3d effect by afterimage - Google Patents

Abstract

A display using 3-dimensional effect due to an afterimage is provided to eliminate a connector for connecting a display part and an LED array and to arbitrarily select the shape of a pixel to form images with various types. A controller(20) selectively controls the on and off of a LED array(10). An optical waveguide(30) transmits the light from the LED array. An optical scattering member(40) is connected to the optical waveguide and scatters the transmitted light. A display member(60) comprises a support member(50). The optical waveguide and optical scattering member are integrally formed with the support member. A vibrating member or a rotating member(70) generates an afterimage by the horizontal vibration or rotation thereof.

Description

Display with 2D or 3D Effect by Afterimage}

1 is a plan view showing the structure of a display having a stereoscopic effect by the afterimage according to the present invention.

2 is a plan view showing a support of another form of the display according to the present invention;

3A to 3C illustrate various forms of color implementation;

4 is a view showing a form in which the support is formed in multiple layers.

5A and 5B are diagrams illustrating before and after the display unit is moved while the light source array and the display unit are separated from each other to generate an afterimage effect by left and right vibrations by a vibrating body.

6 is a view illustrating a state in which a light source array having an optical waveguide and a display unit are spaced apart from each other.

7 is a plan view showing the structure of a display using a laser light source array.

** Description of reference numerals for major parts of the drawings **

10: light source array 20: controller

30: optical waveguide 40: light scatterer

50: support 60: display unit

70: rotation axis 81, 82: optical filter

83: coupler 90: laser light source array

The present invention relates to a display having a stereoscopic effect caused by an afterimage. The present invention relates to a display having a stereoscopic effect due to an afterimage to be obtained.

As is well known, the basic principle of the present invention relates to a display using the afterimage of a human eye. Of course, the current display, that is, almost all displays, such as LCD, LED, and the like use the afterimage effect, the method of obtaining the afterimage effect by using the mechanical movement of the display itself has been studied a lot recently. Such displays are often used for decoration on a glass wall of a store or on a desk rather than a large display board.

In the case of a normal LED display, m TIMES n pixel displays require m TIMES n LEDs, and the circuit configuration and control method for driving the m TIMES n pixel LEDs are complicated. In addition, one LED is required for each pixel, which is expensive and thus consumes more power. Therefore, the afterimage LED display by rotating or reciprocating motion may have an advantage that a small number of LEDs and a control circuit become very simple.

However, when implementing the afterimage-display pixel using the LED, there is a problem that it is difficult to change the size, shape, etc. of the pixel because it is too dependent on the shape of the LED, it is not easy to implement a full color full.

Meanwhile, as a method for implementing a 3D image using a conventional LED, a method of implementing a 3D image by giving a perspective of letters generated by attaching LEDs to rotor blades of various lengths has been used.

This method is inadequate to create a three-dimensional shape, and because of the opacity of the conducting wires and the LED itself and the rotating body that supply current to the LED used as an indicator, a character or a picture floats in the air in a three-dimensional moving object-image-display configuration. It was very difficult to realize a perfect stereoscopic image as it is.

In addition, when the display is rotated or reciprocated in order to realize a three-dimensional image by such a conventional method, it is necessary to use a contactor such as a brush to contact the LED and the conductive wire supplying the current to the LED. There was a problem that is often complicated and disconnection occurs. In addition, abrasion of the contact occurred, there was a problem that should be replaced frequently.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to provide a display having a three-dimensional effect by the afterimage using the LED.

In addition, another object of the present invention is to provide a display having a stereoscopic effect by the afterimage to eliminate the need for a contact between the display unit of the vibrating or rotating body and the LED array.

In addition, another object of the present invention is to provide a display having a stereoscopic effect by the afterimage to be able to arbitrarily select and configure the shape of the pixel to implement various types of images.

In addition, another object of the present invention is to provide a display having a stereoscopic effect by the afterimage to be applied to a laser or the like that emits coherent light.

Display having a three-dimensional effect by the afterimage of the present invention for achieving the above object, a plurality of LED light source array; A controller for selectively controlling the blinking of each light source array; An optical waveguide which transmits a light source from the light source array, the light waveguide having a different length and each end of which is disposed in an oblique or arc shape, and a light scattering body scattering a light source connected to an end of the optical waveguide; A display unit configured of a support in which the light scattering body is integrally formed and supported; And a vibrating body and a rotating body which cause the display unit to vibrate or rotate left and right to generate an afterimage on the display unit. Characterized in that consists of.

In addition, the light source array and the display unit of the present invention is characterized in that the spaced apart from each other.

In addition, the support of the present invention is characterized in that the transparent material made of glass or polymer.

In addition, the present invention is characterized in that the optical waveguide, the light scattering body and the support is composed of a plurality of layers to implement a three-dimensional stereoscopic image.

In addition, the optical waveguide and the light scattering body of the present invention is characterized in that the three-dimensional stereoscopic image is implemented by being molded and supported by a columnar support.

In addition, the light scattering body of the present invention is characterized in that it is made of any one form selected from circles, hexagons, squares, triangles, stars.

Hereinafter, a display having a stereoscopic effect by the afterimage of the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

1 is a plan view showing the structure of a display having a stereoscopic effect by the afterimage according to the present invention, Figure 2 is a plan view showing a support of another form of the display according to the present invention, Figures 3a to 3c is a color of various forms 4 is a view illustrating an implementation method, and FIG. 4 is a view illustrating a form in which a support is formed in multiple layers.

As shown, the display having a stereoscopic effect by the afterimage according to the present invention, a plurality of LED light source array (10); A controller 20 for selectively controlling the blinking of each of the light source arrays 10; An optical waveguide 30 for transmitting a light source from the light source array 10, a light scattering body 40 for scattering a light source connected to the optical waveguide 30, the optical waveguide 30, and the light scattering body A display unit 60 including a supporter 50 on which 40 is integrally molded and supported; And a vibrating body and a rotating body 70 which cause the display unit 60 to vibrate or rotate to generate an afterimage on the display unit 60. It consists of.

The light source array 10 is similar to a conventional LED light source, and light is transmitted through the optical waveguide 30 and scattered through the light scattering body 40 to realize a stereoscopic image. In addition, the light source array 10 may be supplied in the form of a combined light source of R, G, B, which is a color implementation method using a conventional LED, the optical signal transmitted through the optical waveguide 30. 3A to 3C illustrate a color implementation method using various filters and couplers using light sources of R, G, and B as various color implementation methods. In FIG. 3A, the optical filter 1 81 has a property of reflecting red and green and blue light, and the optical filter 2 82 reflects green and blue light. In this way, three colors of R, G, and B may be mixed, or may be combined through a 1x3 coupler 83 as shown in FIG. 3B, and a method of combining three light sources by forming an optical waveguide as shown in FIG. 3C. There is also.

The controller 20 serves to implement a desired image by selectively blinking the light source array 10. The controller 20 determines at what time and at what point each LED is turned on or off by a signal received, and always checks the speed of the vibrating body (not shown) or the rotating shaft 70. By controlling the LED flashing cycle.

The display unit 60 is a device for displaying the light source transmitted from the LED light source array 10 is composed of an optical waveguide 30, the light scattering body 40 and the support 50.

The optical waveguide 30 is composed of a medium having a different refractive index, that is, a medium having a different refractive index of a core portion for guiding light and a refractive index surrounding the optical waveguide, and light is transmitted by a total reflection principle. The optical waveguide 30 transmits light from the light source array 10 and has a different length, and each end thereof is disposed in an oblique or arc shape. When the light scattering body 40 connected to the end of the optical waveguide 30 undergoes mechanical motion, ie, left and right vibration or rotational movement, an afterimage occurs and the afterimage is three-dimensional due to the different length of the optical waveguide 30. The stereoscopic image will be implemented. At this time, even though light passes through the optical waveguide 30, no light is observed from the side of the optical waveguide 30 and only transparent. The transmitted light is scattered by the light scattering body 40 attached to the end of the optical waveguide so that the light is visible to the human eye, so that each independent pixel appears to float in the air.

As described above, the present invention makes the shape of the display of a moving object to form a three-dimensional shape, and then rotates or reciprocates to produce a nearly perfect three-dimensional stereoscopic image such as floating in the air by using the afterimage effect of the eye. Providing is the biggest feature.

The light scattering body 40 is connected to the end of the optical waveguide 30 to scatter the transmitted light to implement an image. The light scattering body 40 may be configured in various shapes and sizes, and implements display pixels. Here, the shape of the light scattering body 40 is shown as a circle, but is an example, and various shapes, that is, various shapes such as squares, triangles, and stars are possible. The surface of the light scattering body 40 is configured in the form of a coating or glass so that light can be emitted well in all directions.

The support 50 serves to support the optical waveguide 30 and the light scattering body 40 integrally formed. In FIG. 1, the supporter 50 integrally supports the optical waveguide 30 and the light scattering body 40.

2 shows a structure of a display capable of realizing a 3D stereoscopic image, in which the support 50 for integrally forming the optical waveguide 30 and the light scattering body 40 is formed of a plurality of layers. . As described above, in the case of a 3D stereoscopic image, the structure of FIG. 1 can be easily obtained by expanding the structure of FIG. 1.

In addition, as shown in FIG. 4, a three-dimensional optical waveguide and a light scattering body may be configured for a three-dimensional display. At this time, the support 50 is a rectangular pillar forming a plane perpendicular to the optical waveguide 30.

At this time, the support 50 is integrally formed with the optical waveguide 30 and the light scattering body 40. The upper surface of the support 50, that is, the surface where light is scattered by the light scattering body 40 is flat. To be. In this case, since the lengths of the optical waveguides 30 are different from each other, the light scattered by the light scattering body 40 may implement a 3D stereoscopic image. The support 50 is made of glass or polymer made of a transparent material. Therefore, when viewed by the human eye, light is observed only at the light scattering bodies 40 positioned at the ends of optical waveguides 30 having different lengths, respectively, so that the point light source is formed in the air.

The vibrating body or the rotating body 70 serves to generate an afterimage by vibrating or rotating the supporter 50 left and right. The vibrating body or the rotating body may adopt a configuration of a rotating means for power transmission by a motor connected to a conventional vibrating means or the rotating shaft 70 and the belt. According to the present invention, a point light source in which light appears to be configured in the air only in the light scattering body 40 generates afterimages by left and right vibrations of the vibrating body (not shown) or rotation of the rotating shaft 70. This has the great advantage of being able to realize a three-dimensional shape. 1, 2 and 4 show the rotational motion by the rotary shaft 70, Figures 5a and 5b shows a state of generating the afterimage effect by the left and right vibration by the vibrating body.

FIG. 5A is a view illustrating a state in which the display unit 60 is transferred to the light scattering unit 40 from the light source array 10 through the optical waveguide 30 as before the display unit 60 is moved. FIG. It shows the state that the afterimage remains as the state moved to the right in the X-axis direction by ?? X. In this case, the light source array 10 and the display unit 60 are spaced apart from each other. In this case, the light transmitted from the light source array 10 is transmitted to the light scattering body 40 through the optical waveguide 30, and the afterimage remains in the moved state. The light scattering body 40 is transmitted through the waveguide 30. As such, the present invention only needs to transmit light to the optical waveguide 30, so that the light source array 10 and the display unit 60 do not need to have a contactor such as a brush as in a conventional display configured to contact each other. It has the advantage of being simple. Here, although the display unit 60 has been referred to oscillating left and right, the light source array 10 may be oscillated left and right. In addition, although the case of the left and right vibration by the vibrating body is mentioned, it is of course applied to the case of the rotating body as well.

6 is a view illustrating a state in which a light source array having an optical waveguide and a display unit are spaced apart from each other. The light source array 10 does not have to be provided with an optical waveguide in the light source array 10 as shown in Figures 5a and 5b, the optical waveguide 11 may be provided in the light source array 10 as shown in FIG. .

In FIG. 7, the support 50 supports only the light scattering body 40 in a structure in which a laser light source array 90 is used and does not require an optical waveguide. Coherent light, such as a laser beam, is straight, so it is hard to see when viewed in terms of straight light. Using this feature, it is possible to configure a pixel floating in the air. In this case, since the optical waveguide is not necessary, the display unit 60 having a simpler structure can be configured. Thus, the present invention is characterized in that it is possible to configure a display unit which is applied to a laser beam that emits coherent light to have an afterimage effect.

The matter described above has described the basic structure for constructing a display having a stereoscopic effect due to afterimages. The display form configurable using this principle is not limited to the above, but extends to the display form that a person with ordinary knowledge in this field can generally think using the above basic principle. .

As described above, the display having the stereoscopic effect of the afterimage according to the present invention has the effect of realizing a perfect two-dimensional or three-dimensional letters, graphics, images with full color pixels. In addition, the displayed characters, figures can form a three-dimensional stereoscopic image as if floating in the air, using a very fast moving object for a display having an afterimage effect can be realized even three-dimensional video.

Claims (6)

Multiple LED light source arrays; A controller for selectively controlling the blinking of each light source array; An optical waveguide which transmits a light source from the light source array, each of which has a different length and is disposed in an oblique or arc shape at each end thereof; A light scattering body which is connected to an end of the optical waveguide and scatters the transmitted light source; A display unit including a support in which the optical waveguide and the light scattering body are integrally formed and supported; And A vibrating body and a rotating body which cause the display unit to vibrate or rotate to generate an afterimage on the display unit; Display having a three-dimensional effect by the afterimage, characterized in that consisting of. The method of claim 1, And the display unit and the display unit are spaced apart from each other. The method of claim 1, The support has a three-dimensional effect by the afterimage, characterized in that the transparent material made of glass or polymer. The method of claim 1, The optical waveguide, the light scattering body and the support is composed of a plurality of layers to display a three-dimensional stereoscopic image having a stereoscopic effect, characterized in that to implement. The method of claim 1, The optical waveguide and the light scattering body are molded and supported by a columnar support to realize a three-dimensional stereoscopic image. The method of claim 1, The light scattering body is a display having a stereoscopic effect by the afterimage, characterized in that formed in any one form selected from circles, hexagons, squares, triangles, stars.

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