CN112951100A

CN112951100A - Rotary display device

Info

Publication number: CN112951100A
Application number: CN201911258006.8A
Authority: CN
Inventors: 周彦辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2021-06-11

Abstract

A rotary display device. The device comprises a power adapter, an imaging device and a rotating mechanism; the imaging device comprises a display screen and a display driving module, and the rotating mechanism comprises a rotating shaft, a square coil, a pair of magnets with opposite polarities, a motor, an embedded part and a switching groove. The motor powered by the power adapter drives the display screen to rotate with the rotating shaft and drives the square coil to rotate, the magnet performs an electromagnetic cutting effect, the display driving module supplies power, and the display screen is started. The invention can realize the three-dimensional visual display effect.

Description

Rotary display device

Technical Field

The invention relates to a curved surface display device, in particular to a display device with a rotating function.

Background

The development of displays has progressed from picture tubes to liquid crystal screens. In order to achieve more accurate color and higher refresh rate, the technology of liquid crystal display is constantly updated, and for example, TN panels and IPS panels with bright color, which can ensure high refresh rate, are all the improvements of the conventional liquid crystal display. With the progress of science and technology, in recent years, an OLED screen appears, and compared with a traditional liquid crystal screen, the OLED screen does not need a backlight layer of the liquid crystal screen or a liquid crystal layer for controlling the light output amount, and can be turned on only by being electrified, so that the OLED screen is like a screen with an infinite number of small color lamp combinations. On the other hand, the OLED screen has the characteristic of being flexible, and is also realized by the OLED screen like some curved-surface screen mobile phones which are frequently adopted in the market in recent years, because the OLED screen can be bent just like folded paper. Meanwhile, the OLED screen does not need a backlight layer, so that the screen can be transparent, and visible images can be presented no matter from the front side and the back side.

At present, the power supply of the display is wired. Therefore, the rotation of the bracket can be controlled only within a small range through manual control; but the wired connection also limits the high speed rotation of the screen.

Disclosure of Invention

The invention provides a display device capable of realizing high-speed stable rotation.

The invention is realized by the following steps:

a rotary display device comprises a power adapter and an imaging device, wherein the imaging device comprises a display screen and a display driving module, the display screen is transparent, and the shape of the display screen is spirally and outwardly diffused from the starting end of the center of the display screen to the tail end;

the imaging device also comprises a rotating mechanism which drives the imaging device to rotate; slewing mechanism including the pivot of connecting the display screen center, set up in the commentaries on classics groove of changeing epaxial square coil, the opposite magnet of a pair of polarity, motor, embedding piece and connection motor and display screen lower extreme embedding piece, the commentaries on classics connects the groove to pass through the motor and supports the display screen, square coil with magnet all set up in the display screen below.

The motor powered by the power adapter drives the display screen to rotate with the rotating shaft and drives the square coil to rotate, and the magnet performs an electromagnetic cutting effect to supply power to the display driving module to start the display screen.

The rotary display device provided by the invention has a simple structure, and all hardware requirements are mature products in the current market. When the device recommends a refresh rate of more than 249 Hz, the higher the refresh rate of the screen is, the higher the utilization rate of the screen size is, and the device rotates at a speed of at least 1500 rpm, the OLED display utilizes the characteristic of human visual residual and can display enough pixel information within 40 milliseconds, thereby realizing three-dimensional imaging. In addition, the faster the rotating speed of the motor is, the smoother the picture is, so that when the refreshing rate and the rotating speed of the matched motor are increased in a certain proportion, the smoother three-dimensional picture display effect can be realized.

The rotary display device further comprises a shell, and the shell is a transparent shell with a double-layer integrated structure.

The shell of the double-layer integrated structure is formed by integrating an inner shell and an outer shell, and the inner shell is a cylinder rotating along with the display screen; the shell is a fixed shell, and the screen is prevented from being influenced by the outside when rotating.

The rotary display device provided by the invention has the advantages that the outer shell is fixed, so that air resistance and other external interference factors on the inner shell are small when the inner shell rotates, and the stable operation of the device is ensured.

The rotary display device further comprises a base for supporting the shell, and a fixing column for fixing the magnet, the power adapter and the motor are all arranged in the base.

The base of the rotary display device provided by the invention can ensure that the motor can still keep stable when rotating, and other components are fixed, so that the modularization degree is high, and the installation and maintenance are easy.

The horizontal distance of the magnet from the square coil is greater than the horizontal distance of the insert from the square coil.

The display driving module comprises a display element and a signal input interface, wherein a signal source acquired by the signal input interface comprises an SD card and/or a hard disk and/or a wireless receiving device.

The display driving module further comprises a temporary storage buffer, when the amount of information provided by the wireless receiving device or the SD card or the hard disk is insufficient, data is temporarily stored, and then the data is transmitted to the display driving module through the temporary storage buffer. The amount of information needed to display three-dimensional information is far more than two-dimensional information, so that a high-capacity cache can make up for the shortage of reading rate or bandwidth during transmission.

The display driving module is also integrated with an audio module to provide an audio output function. The audio function is provided, so that the rotary display device provided by the invention can synchronously display the multimedia information required to be displayed in a sound-picture mode.

The invention has the technical effects that the rotating display device with lower assembly and maintenance cost, stability and reliability is realized through a simple mechanical structure, and the effect of three-dimensional information display is achieved through the principles of rotation and visual residual.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is an oblique perspective view of a screen and housing portion according to an embodiment of the present invention;

fig. 3 is a top view of an embodiment of the present invention.

Detailed Description

The objects, technical solutions and advantages of the present invention are further described in detail by the following illustrative embodiments, it being understood that: the following description is only exemplary of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

The utility model provides a rotary display device, includes power adapter and imaging device, imaging device includes OLED display screen and display driver module, the OLED display screen is transparent, and the OLED display screen shape is the spiral from the initiating terminal at its center to outer diffusion form to the tail end.

The imaging device also comprises a rotating mechanism which drives the imaging device to rotate; slewing mechanism including the pivot of connecting the display screen center, set up in the commentaries on classics groove that changes of epaxial square coil 5, opposite magnet 6 of a pair of polarity, motor 9, embedding piece 3 and connection motor and display screen lower extreme embedding piece, the groove that changes over passes through motor 9 and supports display screen 12, square coil 5 with magnet all set up in the display screen below to 6.

The motor 9 powered by the power adapter 10 drives the display screen and the rotating shaft to rotate, and simultaneously drives the square coil 5 to rotate, and the magnet pair 6 performs an electromagnetic cutting effect, so that the display driving module 4 supplies power to start the display screen.

Preferably, the display screen adopts an OLED screen. The characteristics of bending and transparency of the OLED are fully utilized. Preferably, an OLED screen with a refresh rate of 249 Hz is used. Still preferably, an OLED screen with a refresh rate of at least 250 hz and a resolution of 4524 x 360 pixels is used. To achieve a three-dimensional imaging effect, a motor of at least 1500 rpm is preferably employed. When the three-dimensional information of 240 × 360 pixels needs to be displayed, the rotating three-dimensional imaging of the three-dimensional information needs to be 1.63 × 10⁷Cubic pixel, depending on the refresh rate of the display, when the motor is rotating at 1500 rpm, this time 1.63 × 10 is needed⁶Pixels suffice, and since the number of available frames is 10 frames in 40 milliseconds, the imaged pixel that requires the person to produce the three-dimensional visual effect is 1/10 of the actually required pixel.

The rotary display device further comprises a shell, and the shell is a transparent shell with a double-layer integrated structure. The shell of the double-layer integrated structure is formed by integrating an inner shell and an outer shell 1, and an inner shell 2 of the shell is a cylinder rotating along with the display screen. The outer shell 1 is a fixed shell and ensures that the screen is free from external interference. Preferably, outer casing 1 and interior casing 2 are the cylinder, and the interval is little, stops interior casing and contact too much air in the rotation to reduce the resistance when rotatory.

The rotary display device further comprises a base 7 for supporting the shell, and a fixing column 8 for fixing the magnet, a power adapter 10 and the motor 9 are arranged in the base 7 and connected through a circuit 11. Since the base supports the housing and fixes the rotating motor 9, a high-toughness material such as an alloy is preferably used for fixing the motor to the base 7, thereby preventing stress fatigue after long-term rotation.

The display driving module 4 comprises a display element and a signal input interface, wherein the signal source acquired by the signal input interface comprises an SD card and/or a wireless receiving device and/or a hard disk. When the three-dimensional information needs to be clearly presented, preferably, an SD card is used as a storage carrier of a signal source, and when the requirement of presentation definition is not strict, a compressed coding post-plug flow wireless signal is preferably used.

Preferably, the display driving module further includes a temporary storage buffer, and when the information amount provided by the wireless receiving device, the SD card, or the hard disk is insufficient in speed, data is temporarily stored, and then the data is transmitted to the display driving module through the temporary storage buffer.

The display driving module is also integrated with an audio module to provide an audio output function. The audio output module can provide 8-32 bit, 44100 and 384000 Hz sampling rate linear pulse code modulation output, and compressed audio files, including but not limited to FLAC, OGG Vorbis and other format encoded audio files.

Claims

1. A rotary display device comprises a power adapter and an imaging device, and is characterized in that:

the imaging device comprises a display screen and a display driving module, wherein the display screen is transparent, and the shape of the display screen is spirally diffused outwards from the initial end of the center of the display screen to the tail end;

the imaging device also comprises a rotating mechanism which drives the imaging device to rotate; the rotating mechanism comprises a rotating shaft connected with the center of the display screen, a square coil, a pair of magnets with opposite polarities, a motor, an embedded part and a transfer groove, wherein the square coil is arranged on the rotating shaft, the transfer groove is used for connecting the motor with the embedded part at the lower end of the display screen, the transfer groove supports the display screen through the motor, and the square coil and the magnets are both arranged below the display screen;

2. The rotary display device according to claim 1, wherein: the display screen is an OLED screen.

3. The rotary display device according to claim 2, wherein: the refresh rate of the OLED screen is at least 249 hz.

4. A rotary display device according to claim 2 or 3, wherein: the motor has at least 1500 rpm.

5. A rotary display device according to any one of claims 1 to 4, wherein: the rotary display device further comprises a shell, and the shell is a transparent shell with a double-layer integrated structure.

6. The rotary display device according to claim 5, wherein: the shell of the double-layer integrated structure is formed by integrating an inner shell and an outer shell, and the inner shell is a cylinder rotating along with the display screen; the outer shell is a fixed shell.

7. The rotary display device according to claim 6, wherein: the rotary display device further includes a base supporting the housing; the fixed column for fixing the magnet, the power adapter and the motor are all arranged in the base.

8. The rotary display device according to claim 7, wherein: the horizontal distance of the magnet from the square coil is greater than the horizontal distance of the insert from the square coil.

9. A rotary display device according to any one of claims 1 to 8, wherein: the display driving module comprises a display element and a signal input interface, wherein a signal source acquired by the signal input interface comprises an SD card and/or a hard disk and/or a wireless receiving device.

10. The rotary display device according to claim 9, wherein: the display driving module further comprises a temporary storage buffer, when the amount of information provided by the wireless receiving device or the SD card or the hard disk is insufficient, data is temporarily stored, and then the data is transmitted to the display driving module through the temporary storage buffer.

11. The rotary display device according to claim 10, wherein: the display driving module is also integrated with an audio module to provide an audio output function.