CN108897095B - Directional backlight naked eye 3D parallel optical fiber array manufacturing device - Google Patents
Directional backlight naked eye 3D parallel optical fiber array manufacturing device Download PDFInfo
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- CN108897095B CN108897095B CN201810877001.2A CN201810877001A CN108897095B CN 108897095 B CN108897095 B CN 108897095B CN 201810877001 A CN201810877001 A CN 201810877001A CN 108897095 B CN108897095 B CN 108897095B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
- G02B6/065—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with dynamic image improvement
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
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Abstract
The invention relates to a directional backlight naked eye 3D parallel optical fiber array manufacturing device, and relates to a parallel optical fiber array manufacturing and precision control process, comprising a base, an optical fiber array panel device, a sliding guide rail device, an error detection device, an optical fiber guiding device and an error correction device; the second gear motor drives the sliding base to synchronously move through the spiral transmission rod, and optical fibers and copper wires with required interval distances are synchronously arranged on the parallel optical fiber backboard to form an optical fiber interval array by utilizing different rotation speeds of the first gear motor and the second gear motor. The device for manufacturing the directional backlight naked eye 3D parallel optical fiber array can not only lead the parallel optical fibers to be equidistant, but also avoid manual operation, is an automatic device, has low cost and simple structure, and can effectively reduce the distance error of the parallel optical fiber array.
Description
Technical Field
The invention relates to the technical field of directional backlight source display, in particular to a device for manufacturing a naked-eye 3D parallel optical fiber array of a directional backlight source.
Background
With the development of display technology, some display devices such as display screens have matured, and currently commonly used backlights include LED backlights, but LEDs have a certain limitation as directional backlight naked-eye 3D backlights. The design structure of the directional backlight 3D technology is based on improvement on a lens structure, and the effect of naked eye 3D display, namely the directional time division backlight naked eye 3D display, is achieved through the change of a backlight source and the structural adjustment between display layers. The directional time-division backlight naked eye 3D technology can keep the original resolution of the liquid crystal panel unchanged, and the traditional method can realize very low crosstalk at a specific viewpoint position, so that the problems of dizzy feeling, low resolution and the like cannot be generated when naked eyes watch the liquid crystal panel. The optical fiber backlight source is utilized to perform space periodic display and is synchronized with the 3D video source, so that crosstalk is reduced, conversion between 2D and 3D can be performed, and the optical fiber backlight source can be used for multiple people to watch. The light backlight source backlight module is characterized by uniform light emission of optical fibers, precision control of a parallel optical fiber array and control of error detection. The precise control of the directional backlight of the parallel optical fiber array can enable the optical fiber light source to perform directional light splitting more accurately, and meanwhile, left and right separation of video source images is performed, so that the naked eye 3D high-quality visual effect is achieved.
The existing directional backlight 3D display screen generally utilizes a backlight source composed of two groups of LEDs and light guide plates with symmetrical structures to form directional backlight by combining with a 3D membrane with a special structure. The LED display device comprises two groups of LEDs, a light guide plate, a 3D diaphragm, a cylindrical grating and a light source, wherein the two groups of LEDs are arranged on the left side and the right side of a display screen, the light guide plate is arranged between the LEDs, the back surface of the light guide plate is a triangular cylindrical grating with a symmetrical structure, the 3D diaphragm is arranged in front of the front surface of the light guide plate, the back surface of the 3D diaphragm is a triangular cylindrical grating, and the front surface of the 3D diaphragm is a cylindrical grating. Light emitted by the LED is reflected to the triangular columnar grating of the 3D diaphragm through the triangular columnar grating of the light guide plate, and then condensed by the columnar grating of the 3D diaphragm, and a right eye image on the LCD screen is projected to the right eye of an observer, so that the aim of directional backlight is achieved; similarly, light emitted by the LED is reflected to the triangular columnar grating of the 3D diaphragm through the triangular columnar grating of the light guide plate, and then condensed by the columnar grating of the 3D diaphragm, and a left eye image on the LCD screen is projected to the left eye of an observer. It can be seen that the directional backlight in the prior art needs a light guide plate with a special structure and a 3D film with a special structure, the reflective surface and the refractive surface through which light passes are required to have high processing precision, the structure is complex, and the uniformity of the output light energy of the light guide plate is difficult to control, so that a mature product is difficult to form.
The POF parallel optical fiber array comprises an optical fiber bundle incidence section, an optical fiber bundle transition section and a side-emitting optical fiber array formed by a plurality of side-emitting POFs, all the side-emitting POFs are arranged in parallel along a straight line and are adhered to a black backboard, all the side-emitting POFs are numbered sequentially, the number sequence is (1) (2) (3) (…), the side-emitting POFs with the same number are 1 group and are divided into 3 groups, all the side-emitting POFs with the same number are combined into optical fiber bundles with the same number as the side-emitting POFs in the optical fiber bundle incidence section through the corresponding optical fiber bundle transition section, all the optical fiber bundles with the three numbers are coupled and connected with light-emitting diodes (LEDs) with the same number, and the side-emitting POFs are lighted in a time-sharing mode through controlling LED driving pulses. The POF parallel optical fiber array is a key component of a directional backlight source of the naked eye 3D display screen, the manufacturing precision of the POF parallel optical fiber array directly influences the performance index of the multi-view anti-dizziness naked eye 3D display screen, so that the arrangement of the parallel optical fiber array is required to be controlled accurately, and a set of feasible error detection device is designed to obtain reliable and effective data parameters.
The existing optical fiber array preparation is to establish a mathematical model of the speed difference between the fiber supply wheel and the fiber winding wheel, and obtain the basic range of tension by changing the rotating speed of the fiber supply wheel when the fiber exchange layer is wound through simulation, and realize the control of the small range of tension fluctuation by using dance wheel micro-control equipment; detecting the fiber winding performance in real time by adopting fiber winding detection equipment; and determining a proper hysteresis angle to realize high-precision wire arrangement; finally, the automatic winding of the optical fiber winding equipment is realized by adopting a motor control method of two slaves.
The invention adopts a side-emitting Plastic Optical Fiber (POF) parallel optical fiber array as a manufacturing device of the directional backlight of the multi-view anti-dizziness naked eye 3D display screen, replaces the traditional light guide plate and the liquid crystal switch plate, and provides the directional backlight naked eye 3D display backlight with simple and reliable structure and low manufacturing cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the device for manufacturing the naked eye 3D parallel optical fiber array of the directional backlight source, which is reliable, high in precision, simple in structure and low in cost.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a directional backlight naked eye 3D parallel optical fiber array manufacturing device comprises: comprising the following steps: the device comprises two bases, an optical fiber array panel device, a sliding guide rail device, an error detection device, an optical fiber guiding device and an error correction device; the two bases are symmetrically arranged on the ground; the optical fiber array panel device comprises two supports, a parallel optical fiber backboard, a first gear motor and a central supporting rod, wherein the two supports are symmetrically arranged above the two bases, semi-cylinders are respectively and fixedly arranged on two sides of the parallel optical fiber backboard to perform transition between the curvature of the optical fiber and a straight line, and the central supporting rod is fixedly arranged at the central position of the parallel optical fiber backboard; the two ends of the central supporting rod respectively penetrate through the two supports, one end of the central supporting rod is connected with the first speed reduction motor, the first speed reduction motor is fixed above a base, and the parallel optical fiber backboard is driven to rotate by the central supporting rod when the first speed reduction motor works; the sliding guide rail device comprises two sliding guide rails, a spiral transmission rod, a second speed reduction motor and a sliding base, wherein the spiral transmission rod is arranged between the two sliding guide rails and connected with the sliding base, one end of the spiral transmission rod is connected with the second speed reduction motor, two ends of the sliding guide rails are respectively fixed above two bases, the second speed reduction motor is fixed above one base, and the second speed reduction motor pushes the sliding base to move through the spiral transmission rod when working; the error detection device comprises a CCD camera, a display screen and a detection bracket, wherein the CCD camera and the display screen are fixed above the detection bracket, the CCD camera is connected with the display screen to send an acquired image, and the detection bracket is fixed above the sliding base; the optical fiber guiding device comprises a guiding plate, a rectangular thin sheet and an arc thin sheet, wherein an optical fiber guiding hole and a spacing copper wire guiding hole are formed in the guiding plate, and the guiding plate is fixed on the detection bracket; the error correction device comprises a correction rod, an error correction motor and a cone corrector; the correction rod comprises a straight line segment and a broken line segment, the error correction motor is fixed on one side of the broken line segment, the cone-shaped corrector is arranged right above the error correction motor, the rectangular thin sheet and the arc-shaped thin sheet are respectively fixed on two sides of the straight line segment, and one end of the correction rod is fixed on the detection support.
Preferably, the error correction motor is fixed at the end third of the broken line section of the correction rod.
Preferably, the diameter of the semi-cylinder is equal to the thickness of the parallel optical fiber backboard, and the surface of the semi-cylinder is smooth.
Preferably, when the horizontal included angle of the parallel optical fiber backboard is about 60 degrees, the CCD camera is located about 15cm above the semi-cylinder.
Preferably, the sliding base is provided with a sliding base extension rod, an extension hole is formed in the sliding base extension rod, and a nut is arranged in the extension hole; the screw transmission rod passes through the extension hole and is connected with the sliding base through the nut.
Preferably, the rotation speed ratio of the first gear motor is 1:300, and the rotation speed ratio of the second gear motor is about 1:600.
Preferably, the diameter of the optical fiber hole of the optical fiber guide hole is about 0.4mm, the diameter of the interval copper wire guide hole is about 0.3mm, and the optical fiber guide holes are arranged at the right lower part of the interval copper wire guide hole and are spaced about 30mm apart.
Preferably, the rectangular sheet has a thickness of about 2mm; the thickness of the arc-shaped thin sheet is about 4mm, and the radian is about 3rad.
Preferably, a spacing copper wire passes between the rectangular sheet and the arc-shaped sheet, and the spacing copper wire passes through the spacing copper wire guide hole; the right side of the rectangular sheet is an optical fiber, and the optical fiber passes through the optical fiber guide hole.
Preferably, the rotation speed of the error correction motor is about 13rad/s, and the rotation direction is opposite to the moving direction of the sliding base.
Preferably, the taper corrector is a taper irregular body, and the surface of the material is a frosted surface.
Preferably, the middle position of the straight line segment of the correction rod is vertically fixed by the rectangular thin sheet and the arc-shaped thin sheet.
Preferably, the error correction motor is fixed at a 45 degree angle downward with respect to the polyline level.
Preferably, the support comprises a support central hole, a rotary bearing is arranged in the support central hole, and the central supporting rod rotates around the bearing.
Preferably, the broken line section is 15 degrees angle with respect to the straight line section, and one end of the straight line section is fixed on the detection support and located above the guide plate.
After the scheme is adopted, the directional backlight naked eye 3D parallel optical fiber array manufacturing device comprises a first gear motor, a central supporting rod, a parallel optical fiber backboard, an optical fiber guide hole, a spacing copper wire guide hole, a rectangular sheet and an arc-shaped sheet, wherein the optical fiber and the spacing copper wire are separated by the rectangular sheet and the arc-shaped sheet; the parallel optical fiber backboard rotates, and the second gear motor drives the sliding base to move towards one end at a constant speed on the sliding guide rail through the spiral transmission rod. When the parallel optical fiber backboard rotates to the position right below the conical error corrector, the error correction motor pushes the optical fiber and the interval copper wire with rotating speed, and the optical fiber and the interval copper wire are closely arranged to form a gapless optical fiber interval copper wire surface. The error detection device is arranged right above the parallel optical fiber back plate, images in the manufacturing process of the optical fiber array are collected through the CCD camera, and the display screen displays image signals. The rotating speed of the parallel optical fiber backboard and the rotating speed of the spiral transmission rod can be automatically calibrated, and the winding speed of the optical fiber array can be adjusted in real time. The interval copper wires are used only as interval filling, and the manufactured parallel optical fiber array is used as an naked-eye 3D directional backlight source panel.
Compared with the existing directional backlight source panel, the device adopts the parallel optical fiber array, utilizes the side light emitting principle of the optical fibers to carry out overall light emission, and carries out the arrangement of the optical fiber array panel and the optical fiber position fixing through the device, thereby not only reducing the cost, but also having simple structure, being easy to realize the manufacture of the high-precision parallel optical fiber array due to various micro-diameter sizes of the interval copper wires, and being capable of effectively avoiding the problem of naked eye 3D crosstalk of the directional backlight.
The device for manufacturing the directional backlight naked eye 3D parallel optical fiber array can not only lead the parallel optical fibers to be equidistant, but also avoid manual operation, is an automatic device, has low cost and simple structure, and can effectively reduce the distance error of the parallel optical fiber array.
The invention is further described in detail with reference to the drawings and the embodiments, but the device for manufacturing the naked eye 3D parallel optical fiber array with the directional backlight is not limited to the embodiments.
Drawings
FIG. 1 is a diagram of a device for manufacturing a naked-eye 3D parallel optical fiber array of a directional backlight source according to an embodiment of the invention;
FIG. 2 is a block diagram of a parallel fiber optic backplane and half cylinder of an embodiment of the present invention;
FIG. 3 is a diagram of a sliding base and a screw drive rod according to an embodiment of the present invention;
FIG. 4 is a block diagram of a guide plate (including fiber guide holes and spaced copper wire guide holes) according to an embodiment of the present invention;
FIG. 5 is a block diagram of an optical fiber spacer sheet (including rectangular sheets and arcuate sheets) according to an embodiment of the present invention;
fig. 6 is a block diagram of an error corrector (including an error correction motor and a taper corrector) according to an embodiment of the present invention.
Reference numerals: 11. base, 21, support, 22, parallel fiber backboard, 23, first gear motor, 24, center pole, 25, semi-cylinder, 31, sliding guide, 32, screw drive rod, 33, second gear motor, 34, sliding base, 341, sliding base extension rod, 342, nut, 41, CCD camera, 42, display screen, 43, detection support, 51, guide plate, 511, fiber guide hole, 512, interval copper wire guide hole, 52, rectangular sheet, 53, arc sheet, 611, straight line segment, 612, broken line segment, 62, error correction motor, 63, cone corrector.
Detailed Description
The following describes and discusses the technical solutions in the embodiments of the present invention in detail with reference to the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 6, a device for manufacturing a naked-eye 3D parallel optical fiber array with a directional backlight according to the present embodiment includes: the two bases 11, the optical fiber array panel device, the sliding guide rail device, the error detection device, the optical fiber guiding device and the error correction device; the two bases 11 are symmetrically arranged on the ground; the optical fiber array panel device comprises two supports 21, a parallel optical fiber backboard 22, a first gear motor 23 and a central supporting rod 24, wherein the two supports 21 are symmetrically arranged above the two bases 11, semi-cylinders 25 are respectively and fixedly arranged on two sides of the parallel optical fiber backboard 22 to perform transition between the curvature of optical fibers and a straight line, and the central supporting rod 24 is fixedly arranged at the central position of the parallel optical fiber backboard 22; the two ends of the central supporting rod 24 respectively pass through the two supports 21, one end of the central supporting rod is connected with the first gear motor 23, the first gear motor 23 is fixed above a base 11, and the first gear motor 23 drives the parallel optical fiber backboard 22 to rotate through the central supporting rod 24 when working; the sliding guide rail 31 device comprises two sliding guide rails 31, a spiral transmission rod 32, a second speed reducing motor 33 and a sliding base 34, wherein the spiral transmission rod 32 is arranged between the two sliding guide rails 31 and is connected with the sliding base 34, one end of the spiral transmission rod 32 is connected with the second speed reducing motor 33, two ends of the sliding guide rail 31 are respectively fixed above two bases 11, the second speed reducing motor 33 is fixed above one base 11, and the second speed reducing motor 33 pushes the sliding base 34 to move through the spiral transmission rod 32 when working; the error detection device comprises a CCD camera 41, a display screen 42 and a detection bracket 43, wherein the CCD camera 41 and the display screen 42 are fixed above the detection bracket 43, the CCD camera 41 is connected with the display screen 42 to send an acquired image, and the detection bracket 43 is fixed above the sliding base 34; the optical fiber guiding device comprises a guiding plate 51, a rectangular thin sheet 52 and an arc thin sheet 53, wherein an optical fiber guiding hole 511 and a spacing copper wire guiding hole 512 are arranged on the guiding plate 51, and the guiding plate 51 is fixed on the detecting bracket 43; the error correction device comprises a correction rod, an error correction motor 62 and a cone corrector 63; the correction rod comprises a straight line segment 611 and a broken line segment 612, the error correction motor 62 is fixed on one side of the broken line segment 612, the cone-shaped corrector 63 is arranged right above the error correction motor 62, the rectangular sheet 52 and the arc-shaped sheet 53 are respectively fixed on two sides of the straight line segment 611, and one end of the correction rod is fixed on the detection support 43.
In this embodiment, the error correction motor 62 is fixed at the end third of the correction lever fold line segment 612.
In this embodiment, the diameter of the half cylinder 25 is equal to the thickness of the parallel optical fiber back plate 22, and the surface of the half cylinder 25 is smooth. The resistance of the error correction motor 62 contacting the surface of the half cylinder 25 for closely arranging the optical fibers is small. The error correction motor 62 is fixed at a 45 degree angle downward with respect to the polyline 612. When the parallel fiber backboard 22 is wound to the tapered orthotic 63, the tapered orthotic 63 can be rotationally advanced approximately perpendicular to the parallel fiber backboard 22, with hard forces passing under the orthotic through the parallel fiber backboard 22. The cone corrector 63 is a cone-shaped irregular body, the surface of the material is frosted, the rotating speed is about 13rad/s, and the rotating direction is opposite to the moving direction of the sliding base 34. The broken line segment 612 forms an angle of 15 degrees with respect to the straight line segment 611, and one end of the straight line segment 611 is fixed on the detection support 43 and is located above the guide plate 51. After the semi-cylinder 25 passes through the conical corrector 63, the correction rod can move through the knob fixed on the detection bracket 43 to lift the error correction motor 62 and the conical corrector 63, so that the conical corrector 63 is prevented from contacting the optical fibers after passing through the optical fiber backboard, and the accuracy of the parallel optical fiber array is prevented from being influenced.
In this embodiment, when the horizontal angle of the parallel optical fiber back plate 22 is about 60 degrees, the CCD camera 41 is located about 15cm above the semi-cylinder 25, and the focusing of the camera is controlled in the optimal range. The display screen 42 is fixed above the detection support 53, the image collected by the CCD camera 51 is transmitted to the display screen 52, and the synchronization condition of the manufacturing error of the optical fiber array is directly observed.
In this embodiment, the sliding base 34 is parallel to the center line of the parallel fiber backboard 22 to achieve an equilibrium state. The rotation speed ratio of the first gear motor 23 is 1:300 or so.
In this embodiment, the screw rod 32 is placed between the two sliding rails 31 and supported by a support. The sliding base 34 is provided with a sliding base extension rod 341, an extension hole is formed in the sliding base extension rod 341, and a nut 342 is arranged in the extension hole; the screw driving rod 32 passes through the sliding base extension rod 341 and is connected to the sliding base 34 through the nut 342, so as to prevent the screw driving rod 32 from shaking during the sliding of the sliding base 34. The second gear motor 33 has a rotation speed ratio of about 1:600, and is connected with the screw transmission rod 32 by a connector, and the small rotation speed ratio can accurately control the moving speed of the sliding table.
In this embodiment, the diameter of the optical fiber hole of the optical fiber guide hole 511 is about 0.4mm, the diameter of the spaced copper wire guide hole 512 is about 0.3mm, and an optical fiber with a diameter of 0.25mm is used to have a movable range in the hole, so that breakage is avoided. The optical fiber guide holes 511 are provided at the right lower side of the spaced copper wire guide holes 512 with a distance of about 30mm. The optical fibers and the interval copper wires can be separated left and right, the occurrence of the problem of wire cross is restrained, and the up-down separation avoids the disorder of the sequence of the optical fiber copper wires which are simultaneously arranged on the optical fiber backboard. The rectangular sheet 52 has a thickness of about 2mm, the arcuate sheet 53 has a thickness of about 4mm and an arc of 3rad, and is vertically fixed at the intermediate position of the correction lever. A spacing copper wire passes between the rectangular sheet 52 and the arc-shaped sheet 53, and the spacing copper wire passes through the spacing copper wire guide hole 512; the right side of the rectangular thin sheet 52 is an optical fiber, and the optical fiber passes through the optical fiber guide hole 511. The parallel optical fiber backboard 22 is rotated to the horizontal position through the conical corrector 63, the arc-shaped sheet 53 can enlarge the distance between the optical fiber and the interval copper wire, and the distance between the optical fiber and the interval copper wire is shortened when the parallel optical fiber backboard continues to rotate to the semi-cylinder 25, so that the cross wire is prevented.
The working principle of the directional backlight naked eye 3D parallel optical fiber array manufacturing device is as follows: the first gear motor 23 drives the parallel optical fiber backboard 22 to rotate through the central supporting rod 24, the optical fiber passes through the optical fiber guide hole 511, the interval copper wire passes through the interval copper wire guide hole 512, the rectangular sheet 52 and the arc sheet 53 separate the optical fiber from the interval copper wire, and the first gear motor 23 rotates to rotate the optical fiber and the interval copper wire around the parallel optical fiber backboard 22; the parallel optical fiber backboard 22 rotates, and meanwhile, the second gear motor 33 drives the sliding base 34 to move towards one end at a constant speed on the sliding guide rail 31 through the spiral transmission rod 32. When the parallel optical fiber backboard 22 rotates to the position right below the taper error corrector, the error correction motor 62 pushes the optical fiber and the interval copper wire to be closely arranged by the rotating speed, so that a gapless optical fiber interval copper wire surface is formed. The error detection device is arranged right above the parallel optical fiber backboard 22, images in the manufacturing process of the optical fiber array are collected through the CCD camera 41, and the display screen 42 displays real-time image signals for array detection. The rotation speed of the parallel optical fiber backboard 22 and the rotation speed of the screw transmission rod 32 can be self-calibrated, and the winding speed of the optical fiber array can be adjusted in real time.
The above is only one preferred embodiment of the examples of the present invention. However, the present invention is not limited to the above embodiments, and all equivalent changes and modifications can be made according to the present invention without departing from the scope of the present invention.
Claims (11)
1. The utility model provides a directional backlight bore hole 3D parallel fiber array manufacturing installation which characterized in that includes: the device comprises two bases, an optical fiber array panel device, a sliding guide rail device, an error detection device, an optical fiber guiding device and an error correction device; the two bases are symmetrically arranged on the ground; the optical fiber array panel device comprises two supports, a parallel optical fiber backboard, a first gear motor and a central supporting rod, wherein the two supports are symmetrically arranged above the two bases, semi-cylinders are respectively and fixedly arranged on two sides of the parallel optical fiber backboard to perform transition between the curvature of the optical fiber and a straight line, and the central supporting rod is fixedly arranged at the central position of the parallel optical fiber backboard; the two ends of the central supporting rod respectively penetrate through the two supports, one end of the central supporting rod is connected with the first speed reduction motor, the first speed reduction motor is fixed above a base, and the parallel optical fiber backboard is driven to rotate by the central supporting rod when the first speed reduction motor works; the sliding guide rail device comprises two sliding guide rails, a spiral transmission rod, a second speed reduction motor and a sliding base, wherein the spiral transmission rod is arranged between the two sliding guide rails and connected with the sliding base, one end of the spiral transmission rod is connected with the second speed reduction motor, two ends of the sliding guide rails are respectively fixed above two bases, the second speed reduction motor is fixed above one base, and the second speed reduction motor pushes the sliding base to move through the spiral transmission rod when working; the error detection device comprises a CCD camera, a display screen and a detection bracket, wherein the CCD camera and the display screen are fixed above the detection bracket, the CCD camera is connected with the display screen to send an acquired image, and the detection bracket is fixed above the sliding base; the optical fiber guiding device comprises a guiding plate, a rectangular thin sheet and an arc thin sheet, wherein an optical fiber guiding hole and a spacing copper wire guiding hole are formed in the guiding plate, and the guiding plate is fixed on the detection bracket; the error correction device comprises a correction rod, an error correction motor and a cone corrector; the correction rod comprises a straight line segment and a broken line segment, the error correction motor is fixed on one side of the broken line segment, the cone-shaped corrector is arranged right above the error correction motor, the rectangular thin sheet and the arc-shaped thin sheet are respectively fixed on two sides of the straight line segment, and one end of the correction rod is fixed on the detection support.
2. The device for manufacturing the naked eye 3D parallel optical fiber array with the directional backlight according to claim 1, wherein the error correction motor is fixed at one third of the end part of the broken line section of the correction rod.
3. The device for manufacturing the oriented backlight naked eye 3D parallel optical fiber array according to claim 1, wherein the semi-cylinder has the same diameter as the parallel optical fiber backboard, and the semi-cylinder has a smooth surface.
4. The device for manufacturing the oriented backlight naked eye 3D parallel optical fiber array according to claim 1, wherein when the horizontal included angle of the parallel optical fiber backboard is 60 degrees, the CCD camera is located 15cm above the semi-cylinder.
5. The device for manufacturing the naked eye 3D parallel optical fiber array with the directional backlight according to claim 1, wherein the sliding base is provided with a sliding base extension rod, an extension hole is formed in the sliding base extension rod, and a nut is arranged in the extension hole; the screw transmission rod passes through the extension hole and is connected with the sliding base through the nut.
6. The oriented backlight naked eye 3D parallel fiber array manufacturing device according to claim 1, wherein,
the rotation speed ratio of the first gear motor is 1:300, the rotation speed ratio of the second gear motor is 1:600.
7. The directional backlight naked eye 3D parallel optical fiber array making apparatus according to claim 1, wherein the optical fiber holes of the optical fiber guide holes have a diameter of 0.4mm, the spaced copper wire guide holes have a diameter of 0.3mm, and the optical fiber guide holes are disposed right under the spaced copper wire guide holes and are spaced apart by 30mm.
8. The device for manufacturing the naked eye 3D parallel optical fiber array with the directional backlight according to claim 1, wherein the thickness of the rectangular thin sheet is 2mm; the thickness of the arc-shaped thin sheet is 4mm, and the radian is 3rad.
9. The directional backlight naked eye 3D parallel fiber array making apparatus according to claim 1, wherein a spacing copper wire passes between the rectangular sheet and the arc sheet, and the spacing copper wire passes through the spacing copper wire guide hole; the right side of the rectangular sheet is an optical fiber, and the optical fiber passes through the optical fiber guide hole.
10. The device for manufacturing the naked-eye 3D parallel optical fiber array with the directional backlight according to claim 1, wherein the rotation direction of the error correction motor is opposite to the moving direction of the sliding base.
11. The device for manufacturing the oriented backlight naked eye 3D parallel optical fiber array according to claim 1, wherein the taper corrector is a taper irregularity, and the surface of the material is a frosted surface.
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