CN110740311A - transparent LED display device and naked eye 3D display device - Google Patents

Abstract

The invention discloses a transparent LED display device which comprises an annular transparent strip, a plurality of rollers contacted with the annular transparent strip, a plurality of LED linear arrays arranged on the annular transparent strip, a driving device, a rotating speed controller electrically connected with the driving device and a video controller electrically connected with the LED linear arrays, wherein the driving device is connected with rollers, the annular transparent strip is tensioned by the rollers, and the LED linear arrays at least comprise rows of LED lamp bead linear arrays.

Description

transparent LED display device and naked eye 3D display device

Technical Field

The invention relates to an LED display device, in particular to transparent LED display devices and naked-eye 3D display devices.

Background

th transparent LED display screen is made of transparent LED display screen, actually the principle of the transparent LED screen and the principle of a common LED screen are , the improvement is only on the aspects of the LED light bar patch manufacturing process, the lamp bead packaging, the control system and the like, and the hollow design is adopted, so that the blocking of structural parts to the sight is reduced, the permeability is improved, the irreconcilable contradiction exists between the definition and the permeability of the transparent device, and the transparent device is generally suitable for distant large-scale display devices.

The other implementation mode is a method for forming images by driving the LED linear arrays by using a reciprocating device slider, but the speed of the slider cannot be uniform and is difficult to become a product, the patent CN200510033694.X also discloses a control rod comprising through a central point, the control rod is driven by the motor to rotate and swing so as to drive a display part to realize transparent display, the technology is similar to the rotation of an electric fan, and the high-resolution display effect can be realized by adopting the same transparent control rod control mechanism according to different angles of the arrangement directions of the control rod and the display pixels and different pixel arrangement shapes (straight lines or curves), such as a circular shape, a cylindrical shape or a conical shape and the like.

Patent cn200510033694.x also discloses a display mode in which motors drive rollers or gears, then drive belts or chains, and then drive the display components to move, and both viewers can see images, but because the LED linear array is single-sided, the images seen by both viewers are opposite.

Disclosure of Invention

The technical problem to be solved by the invention is to provide transparent LED display devices and naked-eye 3D display devices, and provide better display effect for users.

The technical scheme includes that transparent LED display devices are provided, the device comprises an annular transparent strip, a plurality of rollers in contact with the annular transparent strip, a plurality of LED linear arrays arranged on the annular transparent strip, a driving device, a rotating speed controller electrically connected with the driving device and a video controller electrically connected with the LED linear arrays, the driving device is connected with rollers, the annular transparent strip is tensioned by the rollers, the LED linear arrays at least comprise rows of LED lamp bead linear arrays, the driving device drives the rollers to rotate to drive the annular transparent strip to move, the LED linear arrays arranged on the annular transparent strip also move, the video controller controls different light intensities and colors of each LED lamp beads in the LED linear arrays at different moments to form dynamic pictures through visual persistence, the width of the LED linear arrays is smaller than the length of the annular transparent strip, the light is blocked in a small part of time in all the time, relatively transparent pictures are formed, when the LED linear arrays are rotated to the front of the whole device, the linear arrays can be watched by viewers, and the rear of the whole linear arrays can be displayed on the back of the device.

, the transparent LED display device further comprises a brush contacting with the annular transparent strip and/or a wireless charging coil disposed on the annular transparent strip, the brush is connected with an external power supply, the external power supply supplies power to the LED linear array through the brush, the external power supply also supplies power to the LED linear array through the wireless charging coil.

, the transparent LED display device further comprises a memory and a wireless transmission module respectively integrated with the video controller, wherein the memory is used for storing the played content, and the wireless transmission module is used for obtaining the played content from the outside.

And , the number of the rollers is two, the two rollers tighten the annular transparent strip without affecting the transparency, and the driving device is a motor.

, rows of linear arrays of LED beads are arranged on both sides of the linear array of LEDs, so that images can be provided towards both sides simultaneously.

, linear LED arrays are provided, wherein each LED lamp beads in the linear LED arrays are provided with a wafer emitting red light, a wafer emitting green light and a wafer emitting blue light, and the three wafers form color display, or three linear LED arrays are provided, the three linear LED arrays respectively emit red light, green light and blue light, and when the three linear LED arrays move at high speed, a color dynamic picture is formed by visual persistence.

, the LED linear array comprises at least two LED lamp bead linear arrays facing away from each other, and can play video to audiences on both sides simultaneously.

, the LED linear array comprises at least two LED lamp bead linear arrays in the same direction, and each LED lamp bead in the LED lamp bead linear arrays comprises a micro lens or a parallax device, wherein LED lamp bead linear arrays generate images of left eyes, and LED lamp bead linear arrays generate images of right eyes.

The invention also provides naked-eye 3D display devices, which comprise a plurality of the transparent LED display devices, wherein the transparent LED display devices are cascaded.

By adopting the scheme, the transparent LED display devices are provided, the LED linear arrays are arranged on the annular transparent strips, and can display dynamic contents through rotation of the annular transparent strips, so that transparent display is realized, and a better display effect is provided for a user.

Drawings

FIG. 1 is a schematic structural diagram of embodiments of a transparent LED display device according to the present invention;

FIG. 2 is a functional block diagram of a transparent LED display device according to the present invention;

FIG. 3 is a schematic diagram of the transparent LED display device according to the present invention;

fig. 4 is a schematic structural diagram of a naked eye 3D display device according to the present invention;

FIG. 5 is a schematic structural diagram of another embodiments of the transparent LED display device according to the present invention;

fig. 6 is a schematic structural diagram of another embodiments of the transparent LED display device according to the present invention.

FIG. 7 is a schematic structural diagram of another embodiments of the transparent LED display device of the present invention;

fig. 8 is a schematic structural diagram of a linear array of LEDs in embodiment 5 of the transparent LED display device according to the present invention.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

Example 1

Referring to fig. 1, 2 and 3, the present invention provides transparent LED display devices 80, including an annular transparent strip 10, a plurality of rollers 20 in contact with the annular transparent strip 10, a plurality of LED linear arrays 30 disposed on the annular transparent strip 10, a driving device 40, a rotation speed controller 41 electrically connected to the driving device 40, a video controller 50 electrically connected to the LED linear arrays 30, the driving device 40 connected to rollers 20, the annular transparent strip 10 tensioned by the rollers 20, the LED linear arrays 30 including at least LED linear arrays 31, the driving device 40 driving the rollers 20 to rotate to drive the annular transparent strip 10 to move, the plurality of LED linear arrays 30 disposed on the annular transparent strip 10 also move, the video controller 50 controlling different light intensities and colors of each LED beads in the LED linear arrays 30 at different times to form a dynamic picture, the width of the LED linear arrays 30 is smaller than the length of the temporary transparent strip 10, and only a small portion of the LED linear arrays 30 in the time is able to be viewed by a viewer, so that the entire transparent LED linear array 30 can be viewed when the viewer turns to view the front of the entire image.

The video controller 50 in the transparent LED display device 80 integrates a memory 51 and a wireless transmission module 52. The memory 51 is used for storing the played content, and the wireless transmission module 52 obtains the played content from the outside.

In this embodiment, there are two rollers 20, and the two rollers 20 tighten the annular transparent strip 30 without affecting the transparency. The driving device 40 is a motor.

In this embodiment, the number of the LED linear arrays 30 is , each LED beads in the LED linear arrays 30 are provided with a wafer emitting red light, a wafer emitting green light, and a wafer emitting blue light, and the three wafers form a color display.

Referring to fig. 4, the invention further provides naked-eye 3D display devices, including a plurality of the transparent LED display devices 80, wherein the plurality of the transparent LED display devices 80 are cascaded.

Example 2

Referring to fig. 5, in the present embodiment, the transparent LED display device 80 further includes: a brush 11 in contact with the annular transparent strip 10. The brushes 11 are connected to an external power source 12, and the external power source 12 supplies power to the LED line array 30 through the brushes 11.

Example 3

Referring to fig. 6, in the present embodiment, the LED linear array 30 includes at least two LED lamp bead linear arrays 31 in the same direction, and the LED lamp beads in the LED lamp bead linear arrays 31 include microlenses 32, where LED lamp bead linear arrays 31 generate images for the left eye, and LED lamp bead linear arrays 31 generate images for the right eye.

Example 4

Referring to fig. 7, in the present embodiment, there are three LED line arrays 30, three LED line arrays 30 respectively emit red light, green light, and blue light, and a color dynamic picture is formed by persistence of vision when the three LED line arrays 30 move at a high speed.

Example 5

Referring to fig. 1 and 8, in this embodiment, rows of LED bead linear arrays 31 are disposed on two sides of the LED bead linear arrays, which are rows of beads 33 and second rows of beads 34, respectively, and rows of beads 33 and second rows of beads 34 can provide images to the two sides at the same time, where the substrate of the LED bead linear arrays 31 in this embodiment is transparent or opaque circuit boards 35, and the images for viewers on different sides can be displayed according to the difference between the positions of rows of beads 33 and the positions of the second rows of beads 34, so that the two viewers can both see correct images, thereby solving the problem that the images displayed before and after the -like transparent display technology are images, and the images seen by viewers on different sides are actually opposite, and the viewers have better impression.

In summary, the invention provides transparent LED display devices, and by arranging the LED linear arrays on the annular transparent stripes, the LED linear arrays can display dynamic content by the rotation of the annular transparent stripes, thereby implementing transparent display and providing better display effect for users.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The transparent LED display device is characterized by comprising an annular transparent strip, a plurality of rollers in contact with the annular transparent strip, a plurality of LED linear arrays arranged on the annular transparent strip, a driving device, a rotating speed controller electrically connected with the driving device and a video controller electrically connected with the LED linear arrays, wherein the driving device is connected with rollers, the annular transparent strip is tensioned by the rollers, and the LED linear arrays at least comprise rows of LED lamp bead linear arrays.
2. 2. The transparent LED display device according to claim 1, further comprising a brush in contact with the annular transparent strip and/or a wireless charging coil disposed on the annular transparent strip.
3. 3. The transparent LED display device according to claim 1, further comprising a video controller, wherein the video controller integrates a memory and a wireless transmission module.
4. 4. The kind of transparent LED display device of claim 1, wherein the number of the rollers is two, the driving device is a motor, and the rotation speed controller is a motor controller.
5. 5. The transparent LED display device of claim 1, wherein the linear array of LEDs has rows of linear arrays of LED beads on both sides.
6. 6. The transparent LED display device of claim 1, wherein the number of the LED linear arrays is , each LED beads in the LED linear arrays are provided with a wafer emitting red light, a wafer emitting green light and a wafer emitting blue light, or the number of the LED linear arrays is three, and three LED linear arrays respectively emit red light, green light and blue light.
7. 7. The transparent LED display device of claim 1, wherein the LED linear array comprises at least two linear arrays of LED lamp beads facing away from each other.
8. 8. The transparent LED display device of claim 1, wherein the LED linear array comprises at least two co-directional LED bead linear arrays, each LED bead in the LED bead linear arrays comprises a micro lens or a parallax device, wherein LED bead linear arrays generate left eye images, and the other LED bead linear arrays generate right eye images.
9. An naked-eye 3D display device, comprising several transparent LED display devices of any of claims 1-8, wherein several transparent LED display devices are cascaded.

Images