CN111123551A - Stereoscopic display device with multiple depth of field - Google Patents
Stereoscopic display device with multiple depth of field Download PDFInfo
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- CN111123551A CN111123551A CN202010023459.9A CN202010023459A CN111123551A CN 111123551 A CN111123551 A CN 111123551A CN 202010023459 A CN202010023459 A CN 202010023459A CN 111123551 A CN111123551 A CN 111123551A
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Abstract
The invention discloses a stereoscopic display device with multiple depth of field, which comprises a rotating shaft, a rotary driving piece, a display driver, a plurality of rotary vanes and electric connecting components corresponding to the rotary vanes one by one; the rotary driving piece is connected with the rotating shaft to drive the rotating shaft to rotate; the center point of the rotary vane is connected with the rotating shaft to rotate along with the rotating shaft, the rotary vanes are arranged along the axial direction of the rotating shaft, and the included angles between any two adjacent rotary vanes are equal; each rotary vane is provided with a processing circuit and a plurality of luminous pixels which are electrically connected with the processing circuit respectively; the display driver is at least electrically connected with the processing circuit on the corresponding rotary vane through the electrical connecting component and at least suitable for supplying power and sending signals to the processing circuit through the electrical connecting component; the processing circuit is adapted to control the operation of the light-emitting picture elements connected thereto in accordance with signals sent by the display driver. The invention can provide multiple depth-of-field display and realize real naked eye three-dimensional display.
Description
Technical Field
The invention relates to a stereoscopic display device with multiple depth of field.
Background
Since the invention of technologies such as movies and televisions for the last century, people have been full of strong interest in image display methods. Whether a photograph, a display or a projection screen, the image information can be displayed in a planar manner. But cannot acquire a three-dimensional stereoscopic image due to lack of depth of field.
With the development of the film technology, the stereoscopic film technology has been widely popularized. When people watch the stereoscopic film in a movie theater, the left eye and the right eye can obtain the influence of different angles only by wearing the binocular polarization glasses, and then stereoscopic vision feeling is generated. In addition, VR technology also provides people with a stereoscopic visual sensation through binocular vision difference.
However, the naked eye stereoscopic display technology is still in the quest stage. Although the digital holography technology can acquire phase information of light waves through an interference technology, the popularization of the holographic display technology is limited by the existence of a zero-order diffraction image and a twin image; some research institutions adopt an anti-reflection film to receive projection of a slide show, and further generate an illusion of space-based imaging; in addition, the triangular reflector plate is adopted to reflect multi-directional images, so that the illusion of forming space-based imaging is formed, and the conventional three-dimensional display means is provided. However, except for digital holography, other methods are stereoscopic vision generated by the 'illusion' of human eyes, and do not belong to real stereoscopic display.
According to research, the key problem of stereoscopic display is to have "depth of field".
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a multi-depth-of-field stereoscopic display device which can provide multi-depth-of-field display and realize real naked eye stereoscopic display.
In order to solve the technical problems, the technical scheme of the invention is as follows: a multi-depth-of-field stereoscopic display device,
the display device comprises a rotating shaft, a rotating driving piece, a display driver, a plurality of rotary vanes and electric connecting components which correspond to the rotary vanes one by one; wherein the content of the first and second substances,
the rotary driving piece is connected with the rotating shaft to drive the rotating shaft to rotate;
the center point of the rotary vane is connected with the rotating shaft to rotate along with the rotating shaft, the rotary vanes are arranged along the axial direction of the rotating shaft, and the included angles between any two adjacent rotary vanes are equal;
each rotary vane is provided with a processing circuit and a plurality of luminous pixels which are electrically connected with the processing circuit respectively;
the display driver is at least electrically connected with the processing circuit on the corresponding rotary vane through the electrical connecting component and at least suitable for supplying power and sending signals to the processing circuit through the electrical connecting component;
the processing circuit is adapted to control the operation of the light-emitting picture elements connected thereto in accordance with signals sent by the display driver.
Further provided is a concrete structure of an electrical connection component, the electrical connection component comprises a wire harness and a conductive slip ring group; wherein the content of the first and second substances,
the conductive slip ring group and the wire harness; wherein the content of the first and second substances,
the conductive sliding ring set is arranged at the position of the rotating shaft, which is connected with the rotary vane, and is electrically connected with the processing circuit on the rotary vane;
the rotating shaft is hollow, the wire harness is located in the hollow portion of the rotating shaft, one end of the wire harness is electrically connected with the display driver, and the other end of the wire harness is electrically connected with the conductive sliding ring set.
Further, the conductive slip ring set comprises four conductive slip rings, and the four conductive slip rings are respectively:
the power ring is connected with the positive power input end of the processing circuit;
the ground wire ring is connected with the negative input end of the power supply of the processing circuit;
a clock ring connected to a clock signal input of the processing circuit;
a serial signal loop connected to a serial signal input of the processing circuit;
the wire harness includes:
power lines respectively connected to the positive power output terminal of the display driver and the power ring;
the ground wire is respectively connected with the negative output end of the power supply of the display driver and the ground wire ring;
clock lines respectively connected to the clock signal output terminal of the display driver and the clock ring;
and a serial signal line respectively connected to the serial signal output line and the serial signal ring of the display driver.
Furthermore, a plurality of light-emitting pixels on each rotary vane extend from the central point of the rotary vane to one end of the rotary vane, and no light-emitting pixel is arranged from the central point of the rotary vane to the other end of the rotary vane.
Furthermore, the rotating circumference of each rotary vane is equally divided into D display areas, the pattern displayed by the luminous pixel is updated once each rotary vane rotates for 360 degrees/D, the rotating frequency of the rotary driving piece for driving the rotary shaft to rotate is stabilized as f, and each rotary vane is provided with a display areaIs provided with X luminous pixels which are displayed every time of one rotationD·XA pixel point, the frequency of the clock signal sent by the display driver isf·D·X。
Further, the processing circuit is adapted to receive the clock signal on the clock ring, and latch data on the serial data ring in the time of the rising edge or the falling edge of the clock signal, and control the corresponding light-emitting pixel to perform "bright" or "dark" operation according to the content of the serial data after each latching of X serial data.
Further provided is a concrete structure of the rotary driving member, the rotary driving member is a motor, and an output shaft of the motor is connected with the rotary shaft.
There is further provided a concrete structure of a display driver including:
the motor driver is electrically connected with the motor;
and the signal generator is electrically connected with the processing circuit through the electrical connection assembly.
Further in order to conveniently adjust the rotating speed of the motor, the motor driver is suitable for controlling the rotating speed of the motor through a pulse width modulation ratio;
the motor is internally provided with a Hall sensor, and the Hall sensor is suitable for measuring a rotating speed signal of the motor and sending the rotating speed signal to a motor driver;
the motor driver is also suitable for modulating the power supply voltage of the motor through a pulse width modulation ratio according to the rotating speed signal sent by the Hall sensor so as to realize the speed regulation of the motor.
The invention also provides another structure of the stereoscopic display device with multiple depths of field, which is a stereoscopic display device with multiple depths of field and comprises a rotating shaft 1, a rotating driving piece, a display driver 3, a plurality of rotary vanes 4 and electric connecting components which are in one-to-one correspondence with the rotary vanes 4; wherein the content of the first and second substances,
the rotary driving piece is connected with the rotating shaft 1 to drive the rotating shaft 1 to rotate;
one end face of each rotary vane 4 is connected with the rotating shaft 1 to rotate along with the rotating shaft, the rotary vanes 4 are distributed along the half circumferential direction of the rotating shaft 1 and are dispersed along the radial direction of the rotating shaft 1, and the length of each rotary vane 4 in the radial direction of the rotating shaft 1 is gradually increased along the distribution direction of the rotary vanes 4;
each rotary vane 4 is provided with a processing circuit 5 and a plurality of light-emitting pixels 6 which are electrically connected with the processing circuit 5 respectively, and the plurality of light-emitting pixels 6 on each rotary vane 4 are arranged on the other end surface of the rotary vane 4 in parallel with the axial direction of the rotating shaft 1;
the display driver 3 is at least electrically connected with the processing circuit 5 on the corresponding rotary vane 4 through the electrical connecting component, and is at least suitable for supplying power and sending signals to the processing circuit 5 through the electrical connecting component;
the processing circuitry 5 is adapted to control the operation of the light-emitting picture elements 6 connected thereto in dependence on signals sent by the display driver 3.
After the technical scheme is adopted, the rotating shaft is driven to rotate by the rotating driving piece, the rotating shaft drives the rotary vanes on the rotating shaft to rotate, when the plurality of rotary vanes are arranged along the axial direction of the rotating shaft in the rotating process of the rotating shaft, the plane where each rotary vane is located is a depth plane, the display driver supplies power and sends signals to the processing circuit through the electric connection assembly, the processing circuit controls the corresponding light-emitting pixels to display according to the received signals, and when the rotating shaft drives the rotary vanes to rotate at a certain frequency, the three-dimensional display with the transverse resolution of X and the longitudinal resolution of Y can be realized by controlling the display and the matching of the X light-emitting pixels and the Y depth planes; in the rotating process of the rotating shaft, when the rotary vanes are arranged along the half circumference of the rotating shaft, the end surface of each rotary vane far away from the rotating shaft is a depth surface; the rotating shaft rotates relative to the display driver, and the electric connection assembly adopts a mode that the wire harness is matched with the conductive sliding ring set, so that the display driver is reliably electrically connected with the rotating shaft.
Drawings
Fig. 1 is a front view of a multi-depth stereoscopic display device according to a first embodiment of the invention;
fig. 2 is a side view of a multi-depth stereoscopic display device according to a first embodiment of the invention;
FIG. 3 is a schematic block diagram of a depth view of a multi-depth stereoscopic display apparatus according to the present invention;
FIG. 4 is a connection diagram of processing circuitry and light-emitting pixels on each vane of the invention;
FIG. 5 is a connection diagram of the motor, Hall sensor and motor driver of the present invention;
fig. 6 is a schematic mechanical diagram of a multi-depth-of-field stereoscopic display device according to a second embodiment of the invention;
fig. 7 is a top view of fig. 6.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Example one
As shown in fig. 1 to 5, a multi-depth of field stereoscopic display device includes a rotating shaft 1, a rotating driving member, a display driver 3, a plurality of rotating blades 4, and electrical connection assemblies corresponding to the rotating blades 4 one to one; wherein the content of the first and second substances,
the rotary driving piece is connected with the rotating shaft 1 to drive the rotating shaft 1 to rotate;
the center point of each rotary vane 4 is connected with the rotating shaft 1 to rotate along with the rotating shaft 1, the rotary vanes 4 are arranged along the axial direction of the rotating shaft 1, and the included angles between any two adjacent rotary vanes 4 are equal;
each rotary vane 4 is provided with a processing circuit 5 and a plurality of luminous pixels 6 which are respectively and electrically connected with the processing circuit 5;
the display driver 3 is at least electrically connected with the processing circuit 5 on the corresponding rotary vane 4 through the electrical connecting component, and is at least suitable for supplying power and sending signals to the processing circuit 5 through the electrical connecting component;
the processing circuitry 5 is adapted to control the operation of the light-emitting picture elements 6 connected thereto in dependence on signals sent by the display driver 3.
In this embodiment, the rotating vane 4 is provided with Y, each rotating vane is provided with X light-emitting pixels 6, the rotating shaft 1 is driven to rotate by the rotating driving member, the rotating shaft 1 drives the rotating vane 4 thereon to rotate, in the rotating process of the rotating shaft 1, the plane where each rotating vane 1 is located is a depth plane, the display driver 3 supplies power and sends signals to the processing circuit 5 through the electrical connection assembly, the processing circuit 5 controls the corresponding light-emitting pixels 6 to display according to the received signals, when the rotating shaft 1 drives the rotating frequency of the rotating vane 4 to be constant, the three-dimensional display with the X transverse resolution and the Y longitudinal resolution can be realized by controlling the display and the matching of the X light-emitting pixels 6 and the Y depth planes.
As shown in fig. 2 and 3, the electrical connection assembly includes a wire harness 8 and a conductive slip ring set 7; wherein the content of the first and second substances,
the conductive slip ring group 7 and the wire harness 8; wherein the content of the first and second substances,
the conductive sliding ring group 7 is arranged at the position of the rotating shaft 1 connected with the rotary vane 4 and is electrically connected with the processing circuit 5 on the rotary vane 4;
the rotating shaft 1 is hollow, the wire harness 8 is located in the hollow part of the rotating shaft 1, one end of the wire harness is electrically connected with the display driver 3, and the other end of the wire harness is electrically connected with the conductive sliding ring group 7.
Specifically, the rotating shaft 1 rotates relative to the display driver 3, and the electrical connection assembly of the present invention adopts a form of matching the wire harness 8 and the conductive slip ring set 7, so as to realize reliable electrical connection between the display driver 3 and the rotating shaft 1.
As shown in fig. 3, the conductive slip ring set 7 includes four conductive slip rings, which are respectively:
a power ring 71 connected to the positive power supply input of the processing circuit 5;
a ground ring 72 connected to the negative input of the power supply of the processing circuit 5;
a clock ring 73 connected to a clock signal input of the processing circuit 5;
a serial signal loop 74 connected to the serial signal input of the processing circuit 5;
the wire harness 8 includes:
a ground line 82 connected to the negative output terminal of the power supply of the display driver 3 and the ground line ring 72, respectively;
clock lines 83 connected to the clock signal output terminal of the display driver 3 and the clock ring 73, respectively;
and a serial signal line 84 connected to the serial signal output line of the display driver 3 and the serial signal ring 74, respectively.
As shown in fig. 1, the plurality of light-emitting pixels 6 on each of the rotating blades 4 extend from the center point of the rotating blade 4 to one end of the rotating blade 4, and no light-emitting pixel 6 is mounted from the center point of the rotating blade 4 to the other end of the rotating blade 4.
In this embodiment, the rotation circumference of each rotary vane 4 is equally divided into D display areas, the pattern displayed by the light-emitting pixels 6 is updated every time the rotary vane 4 rotates 360 °/D, the rotation frequency of the rotary driving member driving the rotary shaft 1 to rotate is stabilized to be f, X light-emitting pixels 6 are installed on each rotary vane 4, and the image appears every time the rotary vane rotates one circleD·XPixel point, the frequency of the clock signal sent by the display driver 3 isf·D·X。
The processing circuit 5 is adapted to receive the clock signal on the clock ring 73, and to latch the data on the serial data ring in the time of the rising edge or the falling edge of the clock signal, and to control the corresponding light-emitting pixel 6 to perform "bright" or "dark" operation according to the content of the serial data after each latching of X serial data.
As shown in fig. 1, 2, 3 and 5, the rotary driving member is a motor 2, and an output shaft of the motor 2 is connected to the rotary shaft 1.
As shown in fig. 3, the display driver 3 includes:
a motor driver 31 electrically connected to the motor 2;
a signal generator 32 electrically connected to the processing circuit 5 through an electrical connection component.
In the present embodiment, the motor driver 31 is adapted to control the rotation speed of the motor 2 by a pulse width modulation ratio;
the motor 2 is internally provided with a Hall sensor 9, and the Hall sensor 9 is suitable for measuring a rotating speed signal of the motor 2 and sending the rotating speed signal to the motor driver 31;
the motor driver 31 is further adapted to modulate the supply voltage of the motor 2 by means of a pulse width modulation ratio in accordance with the rotation speed signal sent by the hall sensor 9 to achieve speed regulation of the motor 2.
Example two
As shown in fig. 3, 4, 5, 6, and 7, a multi-depth of field stereoscopic display device includes a rotating shaft 1, a rotating driving member, a display driver 3, a plurality of rotating blades 4, and electrical connection members corresponding to the rotating blades 4 one to one; wherein the content of the first and second substances,
the rotary driving piece is connected with the rotating shaft 1 to drive the rotating shaft 1 to rotate;
one end face of each rotary vane 4 is connected with the rotating shaft 1 to rotate along with the rotating shaft, the rotary vanes 4 are distributed along the half circumferential direction of the rotating shaft 1 and are dispersed along the radial direction of the rotating shaft 1, and the length of each rotary vane 4 in the radial direction of the rotating shaft 1 is gradually increased along the distribution direction of the rotary vanes 4;
each rotary vane 4 is provided with a processing circuit 5 and a plurality of light-emitting pixels 6 which are electrically connected with the processing circuit 5 respectively, and the plurality of light-emitting pixels 6 on each rotary vane 4 are arranged on the other end surface of the rotary vane 4 in parallel with the axial direction of the rotating shaft 1;
the display driver 3 is at least electrically connected with the processing circuit 5 on the corresponding rotary vane 4 through the electrical connecting component, and is at least suitable for supplying power and sending signals to the processing circuit 5 through the electrical connecting component;
the processing circuitry 5 is adapted to control the operation of the light-emitting picture elements 6 connected thereto in dependence on signals sent by the display driver 3.
In this embodiment, the structures of the electrical connection component, the rotary driving component and the display driver 3 are the same as those of the first embodiment.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multi-depth of field stereoscopic display device is characterized in that,
the display device comprises a rotating shaft (1), a rotating driving piece, a display driver (3), a plurality of rotary vanes (4) and electric connecting components which correspond to the rotary vanes (4) one by one; wherein the content of the first and second substances,
the rotary driving piece is connected with the rotating shaft (1) to drive the rotating shaft (1) to rotate;
the center point of each rotary vane (4) is connected with the rotating shaft (1) to rotate along with the rotating shaft (1), the rotary vanes (4) are arranged along the axial direction of the rotating shaft (1), and the included angles between any two adjacent rotary vanes (4) are equal;
each rotary vane (4) is provided with a processing circuit (5) and a plurality of luminous pixels (6) which are electrically connected with the processing circuit (5) respectively;
the display driver (3) is at least electrically connected with the processing circuit (5) on the corresponding rotary vane (4) through the electrical connecting component and at least suitable for supplying power and sending signals to the processing circuit (5) through the electrical connecting component;
the processing circuit (5) is adapted to control the operation of the light-emitting picture elements (6) connected thereto in dependence on signals sent by the display driver (3).
2. The multi-depth of field stereoscopic display apparatus according to claim 1,
the electrical connection assembly comprises a wire harness (8) and a conductive slip ring set (7); wherein the content of the first and second substances,
the conductive slip ring group (7) and a wire harness (8); wherein the content of the first and second substances,
the conductive sliding ring group (7) is arranged at the position of the rotating shaft (1) connected with the rotary vane (4) and is electrically connected with the processing circuit (5) on the rotary vane (4);
the rotating shaft (1) is hollow, the wiring harness (8) is located in the hollow portion of the rotating shaft (1), one end of the wiring harness is electrically connected with the display driver (3), and the other end of the wiring harness is electrically connected with the conductive sliding ring set (7).
3. The multi-depth of field stereoscopic display apparatus according to claim 2,
the conductive slip ring group (7) comprises four conductive slip rings, and the four conductive slip rings are respectively as follows:
a power ring (71) connected to the positive power input of the processing circuit (5);
a ground ring (72) connected to the negative input of the power supply of the processing circuit (5);
a clock ring (73) connected to a clock signal input of the processing circuit (5);
a serial signal loop (74) connected to the serial signal input of the processing circuit (5);
the wire harness (8) includes:
a power line (81) connected to the positive power output terminal of the display driver (3) and the power ring (71), respectively;
a ground wire (82) connected to the negative output terminal of the power supply of the display driver (3) and the ground wire loop (72), respectively;
a clock line (83) connected to the clock signal output terminal of the display driver (3) and the clock ring (73), respectively;
and a serial signal line (84) connected to the serial signal output line of the display driver (3) and the serial signal ring (74), respectively.
4. The multi-depth-of-field stereoscopic display apparatus of claim 3,
a plurality of light-emitting pixels (6) on each rotary vane (4) extend from the central point of the rotary vane (4) to one end of the rotary vane (4), and the light-emitting pixels (6) are not arranged from the central point of the rotary vane (4) to the other end of the rotary vane (4).
5. The multi-depth-of-field stereoscopic display apparatus of claim 4,
the rotating circumference of each rotary vane (4) is equally divided into D display areas, the pattern displayed by the light-emitting pixel (6) is updated once when the rotary vane (4) rotates for 360 degrees/D, and the rotary driving piece drives the rotating shaft (1) to rotateThe rate is stable as f, each rotary vane (4) is provided with X luminous pixels (6) which are displayed every time the rotary vane rotates one circleD·XA frequency of a clock signal transmitted from the display driver (3) isf·D·X。
6. The multi-depth-of-field stereoscopic display apparatus of claim 5,
the processing circuit (5) is suitable for receiving a clock signal on the clock ring (73), temporarily latching data on the serial data ring when the rising edge or the falling edge of the clock signal comes, and controlling the corresponding light-emitting pixel (6) to carry out bright operation or dark operation according to the content of the serial data after each latching X serial data.
7. The multi-depth of field stereoscopic display apparatus according to claim 1,
the rotary driving piece is a motor (2), and an output shaft of the motor (2) is connected with the rotating shaft (1).
8. The multi-depth of field stereoscopic display apparatus according to claim 7,
the display driver (3) includes:
a motor driver (31) electrically connected to the motor (2);
a signal generator (32) electrically connected with the processing circuit (5) through the electrical connection component.
9. The multi-depth of field stereoscopic display apparatus according to claim 8,
the motor driver (31) is adapted to control the rotational speed of the motor (2) by means of a pulse width modulation ratio;
a Hall sensor (9) is installed in the motor (2), and the Hall sensor (9) is suitable for measuring a rotating speed signal of the motor (2) and sending the rotating speed signal to a motor driver (31);
the motor driver (31) is also suitable for modulating the power supply voltage of the motor (2) through a pulse width modulation ratio according to the rotating speed signal sent by the Hall sensor (9) so as to realize the speed regulation of the motor (2).
10. A multi-depth of field stereoscopic display device is characterized in that,
the display device comprises a rotating shaft (1), a rotating driving piece, a display driver (3), a plurality of rotary vanes (4) and electric connecting components which correspond to the rotary vanes (4) one by one; wherein the content of the first and second substances,
the rotary driving piece is connected with the rotating shaft (1) to drive the rotating shaft (1) to rotate;
one end face of each rotary vane (4) is connected with the rotating shaft (1) to rotate along with the rotating shaft, the rotary vanes (4) are distributed along the half circumferential direction of the rotating shaft (1) and are dispersed along the radial direction of the rotating shaft (1), and the length of each rotary vane (4) in the radial direction of the rotating shaft (1) is gradually increased along the distribution direction of the rotary vanes (4);
each rotary vane (4) is provided with a processing circuit (5) and a plurality of light-emitting pixels (6) which are electrically connected with the processing circuit (5) respectively, and the plurality of light-emitting pixels (6) on each rotary vane (4) are arranged on the other end surface of the rotary vane (4) in parallel to the axial direction of the rotating shaft (1);
the display driver (3) is at least electrically connected with the processing circuit (5) on the corresponding rotary vane (4) through the electrical connecting component and at least suitable for supplying power and sending signals to the processing circuit (5) through the electrical connecting component;
the processing circuit (5) is adapted to control the operation of the light-emitting picture elements (6) connected thereto in dependence on signals sent by the display driver (3).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116647660A (en) * | 2023-06-15 | 2023-08-25 | 广州科伊斯数字技术有限公司 | Three-dimensional image display method |
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| CN116647660A (en) * | 2023-06-15 | 2023-08-25 | 广州科伊斯数字技术有限公司 | Three-dimensional image display method |
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