Summary of the invention
The present invention also aims to the bore hole 3D display screen providing a kind of actual spot to arrange, to solve the problems of the technologies described above.
The present invention can realize by the following technical solutions:
Layering el display panel, comprises EL diplay array, and described EL diplay array comprises at least two group EL diplay subarrays, i.e. the first EL diplay subarray, the second EL diplay subarray;
Two-layer arrangement before and after described first EL diplay subarray and the second EL diplay subarray are divided into obviously also can be the mode of being arranged above and below.
EL diplay array is divided at least two groups tandem EL diplay subarray and effectively can reduces electroluminescence point arrangement quantity on same thickness (or height), effectively can reduce production difficulty.
Described electroluminescence point can be LED, can also be electroluminescent material point, can also be the region, two electrode intersections of a slice electroluminescent powder.
The color of the electroluminescent layer that the color of the electroluminescent layer that described first EL diplay subarray adopts and described second EL diplay subarray adopt is inconsistent, so that controlling filed photoluminescence point is produced with being convenient to.
Described EL diplay array comprises three groups of EL diplay subarrays, i.e. the first EL diplay subarray, the second EL diplay subarray, the 3rd EL diplay subarray, described first EL diplay subarray, the second EL diplay subarray, the 3rd EL diplay subarray are divided into three layers of arrangement from A-P.To reduce production difficulty further.
Described first EL diplay subarray, the second EL diplay subarray, the 3rd EL diplay subarray, adopt the electroluminescence point of the different color in three primary colours respectively.So that the picture that display color is abundant.
The electroluminescence point of the different color in three primary colours can be red, green, blue three colour field photoluminescence point.Also can be utilize other forms of three primary colours, adopt the electroluminescence point forming other forms of three primary colours.
Described layering el display panel also comprises an electroluminescence laminar substrate, and described EL diplay array arrangement is on described electroluminescence laminar substrate.
Described electroluminescence laminar substrate comprises at least two-layer electroluminescent layer submounts, namely at least comprises the first electroluminescent layer submounts, the second electroluminescent layer submounts; Described first electroluminescent layer submounts and described second electroluminescent layer submounts are in tandem; Described first electroluminescent layer submounts adopts transparent material; Described first EL diplay subarray is arranged on described first electroluminescent layer submounts, and described second EL diplay subarray is arranged on described second electroluminescent layer submounts.By arranging electroluminescent layer submounts as carrier for the EL diplay subarray of EL diplay array, reduce production difficulty further, and allow to increase electroluminescence point arrangement density, to increase pixel.
Described electroluminescence laminar substrate comprises three layers of electroluminescent layer submounts, namely tandem first electroluminescent layer submounts, the second electroluminescent layer submounts, the 3rd electroluminescent layer submounts is comprised, described first electroluminescent layer submounts, the second electroluminescent layer submounts adopt transparent material respectively, and described first electroluminescent layer submounts, the second electroluminescent layer submounts, the 3rd electroluminescent layer submounts are loaded with described first EL diplay subarray, the second EL diplay subarray, the 3rd EL diplay subarray respectively.While reduction production difficulty, permission increase electroluminescence point arrangement density, so that the picture that display color is abundant.
The front of described first electroluminescent layer submounts is also covered with a transparent protective layer, so that protection the first EL diplay subarray.
Electroluminescence point in described EL diplay array adopts LED element, or adopts electroluminescent layer.
The front being positioned at the described electroluminescent layer submounts at relative rear is furnished with rear electrode (conducting wire), the rear being positioned at the described electroluminescent layer submounts in relative front is furnished with front electrode (conducting wire), and described electroluminescence point is clipped between described rear electrode and front electrode.Protective layer can arrange front electrode.Front electrode and rear electrode form and control array, under the control of external control circuit and then control the luminous situation of each electroluminescence point, thus realize the control to imaging pixel.Be conducive to like this simplifying the production technology controlling array.
Described front electrode adopts transparency electrode, so that form better display effect.
Rear electrode at least two described electroluminescent layer submounts adopts transparency electrode, so that form better display effect.Rear electrode on electroluminescent layer submounts described in last can not adopt transparency electrode.
The electroluminescent layer submounts place in described electroluminescence point front is provided with the astigmatism block that has astigmatism effect, thus the light that described electroluminescence point is launched is evenly soft.
The area of described astigmatism block is greater than the longitudinal section area of described electroluminescence point, to make the area of single pixel larger, and then improves display effect.
Described astigmatism block can be the part uneven surface of electroluminescent layer submounts, also can be front electrode coarse on electroluminescent layer submounts or rear electrode.
Electroluminescent layer submounts can adopt flexible transparent material, has flexible layering el display panel to generate.In order to adapt to flexible demand, the electrode in EL diplay array can adopt tinsel, such as filamentary silver, copper wire etc.
In specific design can: described electroluminescence laminar substrate comprises three layers of electroluminescent layer submounts, namely tandem first electroluminescent layer submounts is comprised, second electroluminescent layer submounts, 3rd electroluminescent layer submounts, described first electroluminescent layer submounts, second electroluminescent layer submounts adopts transparent material respectively, described first electroluminescent layer submounts, second electroluminescent layer submounts, 3rd electroluminescent layer submounts is loaded with respectively described first EL diplay subarray, second EL diplay subarray, 3rd EL diplay subarray,
Described first EL diplay subarray, the second EL diplay subarray, the 3rd EL diplay subarray, adopt the electroluminescence point of the different color in three primary colours respectively, and each electroluminescence point color organized in EL diplay subarray is consistent;
The front of described first electroluminescent layer submounts is also covered with a transparent protective layer;
The front being positioned at the described electroluminescent layer submounts at relative rear is furnished with rear electrode, the rear being positioned at the described electroluminescent layer submounts in relative front is furnished with front electrode, described electroluminescence point is clipped between described rear electrode and front electrode, the rear of described protective layer is also provided with front electrode, and front electrode and rear electrode form control array;
Rear electrode on first electroluminescent layer submounts, the second electroluminescent layer submounts adopts transparency electrode; Front electrode on described first electroluminescent layer submounts, the second electroluminescent layer submounts, protective layer adopts transparency electrode;
All right, described EL diplay subarray is embedded in described electroluminescence laminar substrate.
Described electroluminescent layer substrate peripheral can be cylindricality, spherical, polygon or other shapes.
EL diplay subarray is embedded in the method in described electroluminescence laminar substrate, described electroluminescent layer submounts adopts the transparent thermosets not yet carrying out heat curing;
First EL diplay subarray described in each is arranged on the described electroluminescent layer submounts of each layer, then described for each layer electroluminescent layer submounts is stacked, put into mould and heat, carry out heat curing.And then obtain EL diplay subarray and be embedded in layering el display panel in described electroluminescence laminar substrate.Also curing materials or the curing mode of other cured form can be considered, such as photocuring.
A kind of electroluminescence point drive system, comprise an EL diplay array control system, described EL diplay array control system connects respectively and controls front electrode and rear electrode, drive described electroluminescence point luminous by the electric potential difference controlling alternation between front electrode and rear electrode, described EL diplay array control system accesses front electrode and the rear electrode of an electroluminescent layer submounts, and electrode and rear electrode before another electroluminescent layer submounts adjacent with described electroluminescent layer submounts;
When described EL diplay array control system drives electroluminescence point on described electroluminescent layer submounts luminous, in another adjacent electroluminescent layer submounts with at least one electrode ground connection in electrode before the described electroluminescence point of luminescence is close or rear electrode.To form shielding by ground connection, other avoiding driving near two electrode pairs of described electroluminescence point luminescence do not need luminous electroluminescence point to impact.
Another kind of electroluminescence point drive system, comprise an EL diplay array control system, described EL diplay array control system connects respectively and controls front electrode and rear electrode, drive described electroluminescence point luminous by the electric potential difference controlling alternation between front electrode and rear electrode, described EL diplay array control system accesses front electrode and the rear electrode of an electroluminescent layer submounts, and electrode and rear electrode before another electroluminescent layer submounts adjacent with described electroluminescent layer submounts;
When described EL diplay array control system drives the electroluminescence point on described electroluminescent layer submounts luminous, in another adjacent electroluminescent layer submounts with at least one electrode in electrode before the described electroluminescence point of luminescence is close or rear electrode, consistent with the voltage-phase of an electrode adjoining in electrode before the described electroluminescence point of luminescence is close or rear electrode.To avoid the electric potential difference producing alternation on electroluminescence point that should not be luminous, so avoid should be luminous electroluminescence point luminous.
Described electroluminescent layer submounts shares with the adjacent electrode in another adjacent electroluminescent layer submounts, so that save cost, reduces production difficulty.
The bore hole 3D display screen of actual spot arrangement, comprise EL diplay array, described EL diplay array comprises at least two group EL diplay subarrays, i.e. the first EL diplay subarray, the second EL diplay subarray; Described first EL diplay subarray and the second EL diplay subarray are divided into upper and lower two-layer arrangement;
Also comprise an electroluminescence laminar substrate, described EL diplay subarray is arranged on described electroluminescence laminar substrate, and described electroluminescence laminar substrate adopts transparent material, and electroluminescent layer substrate periphery is provided with transparent part.So that watch the image of the bore hole 3D display screen inside of actual spot arrangement from the side.
Can be considered as being keep flat stacked for multiple described layering el display panel.Because electroluminescent layer submounts adopts transparent material, so when being watched by side, the electroluminescence point of at least two-layer luminescence be arranged above and below can be seen.The array that electroluminescence point is formed has height, width and the degree of depth simultaneously, namely possesses three dimensions, can show stereoscopic picture plane.And shown stereoscopic picture plane is the stereoscopic picture plane be made up of the luminous point of reality, not by the stereoscopic picture plane that persistence of vision is formed, realistic strong, the advantage such as visual angle is large.The angle having light to appear by each all allows to see stereoscopic picture plane.
Described electroluminescence laminar substrate comprises at least two-layer electroluminescent layer submounts, namely at least comprises the first electroluminescent layer submounts, the second electroluminescent layer submounts; Described first electroluminescent layer submounts and described second electroluminescent layer submounts are arranged above and below; Described first electroluminescent layer submounts adopts transparent material, described first EL diplay subarray is arranged on described first electroluminescent layer submounts, described second electroluminescent layer submounts adopts transparent material, and described second EL diplay subarray is arranged on described second electroluminescent layer submounts.
Can be bondd by translucent adhesive, to improve display quality between described each layer electroluminescent layer submounts.
Three EL diplay subarray arranged adjacent, and the electroluminescence point adopting the different color in three primary colours respectively, form an EL diplay group of subarrays; At least two EL diplay group of subarrays are arranged above and below.Formation can show the bore hole 3D display screen of the actual spot arrangement of various rich colors.
External unit obtains stereopsis by the situation of lighting controlling each electroluminescence point in each EL diplay subarray respectively.
All right, described EL diplay subarray is embedded in described electroluminescence laminar substrate.The described method be embedded in by EL diplay subarray in described electroluminescence laminar substrate can be adopted in manufacture, obtain the bore hole 3D display screen that EL diplay subarray is embedded in the actual spot arrangement in described electroluminescence laminar substrate.
Described electroluminescent layer substrate peripheral can be cylindricality, spherical, polygon or other shapes.
Electrode in described EL diplay array can adopt transparency electrode, also can adopt tinsel, such as copper wire, filamentary silver etc.Tinsel should be comparatively thin in order to avoid affect vision.
Based on the aerial stereo imaging system of the bore hole 3D display screen of actual spot arrangement, comprise a Spatial Imaging System, described Spatial Imaging System comprises a picture light source, also comprise one by the photoimaging systems of the picture that crosses from the light as light source aloft, the bore hole 3D display screen that described picture light source adopts described actual spot to arrange.
Described photoimaging systems comprises a convergence optical device carrying out converging from the described light as light source, the described bore hole 3D display screen of actual spot arrangement and the surface conjunction of described convergence optical device, the stereopsis that the bore hole 3D display screen that described actual spot is arranged produces is positioned at the imaging region that described convergence optical device is determined.
By the bore hole 3D display screen that actual spot is arranged and the surface conjunction converging optical device, reduce light refraction and reflection, and then can image quality be improved, also can avoid in addition between device because external force dislocation as far as possible.
Described convergence optical device adopts a concave surface to converge device, and the bore hole 3D display location of described actual spot arrangement is in the concave surface that described concave surface converges device.And it is corresponding that the peripheral structure of the bore hole 3D display screen of actual spot arrangement and described concave surface converge device inside surface, and both combine closely.The viewing area of the bore hole 3D display screen of described actual spot arrangement is positioned at described concave surface and converges near device axis.So that form image quality aerial space image preferably.
Described convergence optical device adopts a plus lens, and the bore hole 3D display location of described actual spot arrangement is in described plus lens side, and described plus lens is directly produced on the bore hole 3D display screen of arranging in described actual spot.So that form image quality aerial space image preferably.
Embodiment
The technological means, the creation characteristic that realize in order to the present invention, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the present invention further.
With reference to Fig. 1, layering el display panel, comprises EL diplay array, and EL diplay array comprises at least two group EL diplay subarrays, i.e. the first EL diplay subarray 11, second EL diplay subarray 12.Two-layer arrangement before and after first EL diplay subarray 11 and the second EL diplay subarray 12 are divided into obviously also can be the mode of being arranged above and below.EL diplay array is divided at least two groups tandem EL diplay subarray and effectively can reduces electroluminescence point arrangement quantity on same thickness (or height), effectively can reduce production difficulty.EL diplay subarray can also be allowed to be embedded in electroluminescence laminar substrate.Electroluminescent layer substrate peripheral can be cylindricality, spherical, polygon or other shapes.
Electroluminescence point can be LED, can also be electroluminescent powder point, can also be the region, two electrode intersections of a slice electroluminescent powder.
When electroluminescence point is electroluminescent powder point, electroluminescence point can be itself be that the electroluminescent powder of spot distribution is determined, also can be determined by the cross-point of electrode.The alternating share of front electrode and rear electrode can determine an electroluminescence point.
Electroluminescence point in EL diplay array adopts LED element, or directly adopts electroluminescent layer.Electroluminescent layer can be the electroluminescent powder by voltage stimulated luminescence.The color of the electroluminescence point that the color of the electroluminescence point that the first EL diplay subarray 11 adopts and the second EL diplay subarray 12 adopt is inconsistent.This design can so that electroluminescence point control and be convenient to produce.
In order to produce abundant color, in actual production, electroluminescence array of display can adopt three groups of EL diplay subarrays, namely from the first EL diplay subarray 11, second EL diplay subarray 12, the 3rd EL diplay subarray 13 of A-P hierarchal arrangement.First EL diplay subarray 11, second EL diplay subarray 12, the 3rd EL diplay subarray 13, adopt the electroluminescence point of the different color in three primary colours respectively, the electroluminescence point color in each group EL diplay subarray is preferably consistent.So that the picture that display color is abundant.The electroluminescence point of the different color in three primary colours can be red, green, blue three colour field photoluminescence point.Also can be utilize other forms of three primary colours, adopt the electroluminescence point forming other forms of three primary colours.
Layering el display panel also comprises electroluminescence laminar substrate, and EL diplay array arrangement is on electroluminescent layer substrate.Electroluminescence laminar substrate comprises at least two-layer electroluminescent layer submounts, namely at least comprises the first electroluminescent layer submounts 21, second electroluminescent layer submounts 22.In tandem, the first electroluminescent layer submounts 21 adopts transparent material for first electroluminescent layer submounts 21 and the second electroluminescent layer submounts 22.First EL diplay subarray 11 is arranged on the first electroluminescent layer submounts 21, and the second EL diplay subarray 12 is arranged on the second electroluminescent layer submounts 22.By arranging electroluminescent layer submounts as carrier for the EL diplay subarray of EL diplay array, reduce production difficulty further, and allow to increase electroluminescence point arrangement density, to increase pixel.
In order to produce abundant color, in actual production, electroluminescence laminar substrate can adopt three layers of electroluminescent layer submounts, i.e. tandem first electroluminescent layer submounts 21, second electroluminescent layer submounts 22, the 3rd electroluminescent layer submounts 23.First electroluminescent layer submounts 21, second electroluminescent layer submounts 22 adopts transparent material respectively.First electroluminescent layer submounts 21, second electroluminescent layer submounts 22, the 3rd electroluminescent layer submounts 23 are loaded with respectively the first EL diplay subarray 11, second EL diplay subarray 12, the 3rd EL diplay subarray 13.The front of the first electroluminescent layer submounts 21 is also covered with a transparent protective layer 3, so that protection the first EL diplay subarray 11.While reduction production difficulty, permission increase electroluminescence point arrangement density, so that the picture that display color is abundant.
The front being positioned at the electroluminescent layer submounts at relative rear is furnished with rear electrode 41 (conducting wire), and the rear being positioned at the electroluminescent layer submounts in relative front is furnished with front electrode 42 (conducting wire).Electroluminescence point is clipped between electrode and front electrode.Protective layer can be arranged front electrode 42.Front electrode 42 and rear electrode 41 form and control array, under the control of external control circuit and then control the luminous situation of each electroluminescence point, thus realize the control to imaging pixel.Be conducive to like this simplifying the production technology controlling array.Front electrode 42 all adopts transparency electrode, and the rear electrode on the first electroluminescent layer submounts 11, second electroluminescent layer submounts 12 adopts transparency electrode, so that form better display effect.Rear electrode 41 on 3rd electroluminescent layer submounts 23 can not adopt transparency electrode.
Electroluminescent layer submounts can adopt flexible transparent material, has flexible layering el display panel to generate.In order to adapt to flexible demand, the electrode in EL diplay array can adopt tinsel, such as filamentary silver, copper wire etc.
The electroluminescent layer submounts place in electroluminescence point front is provided with the astigmatism block 51 with astigmatism effect, thus the light that electroluminescence point is launched is evenly soft.The area of astigmatism block 51 is greater than the longitudinal section area of electroluminescence point, to make the area of single pixel larger, and then improves display effect.Astigmatism block 51 can be the part uneven surface that electroluminescent layer submounts produces, and also can be the uneven surface that front electrode on electroluminescent layer submounts or rear electrode produce.
Electroluminescence point in each EL diplay subarray tandem can overlapping arrangement, and also can misplace arrangement.Electroluminescence point can overlapping arrangement time, the area of astigmatism block 51 is greater than the longitudinal section area of electroluminescence point, the electroluminescence in front point effectively can be avoided to cause the light that the electroluminescence point at rear produces and block.Astigmatism block 51 can play the effect mixed three primary colours in addition.The area of astigmatism block 51 can be that area progressively increases from front to back, to avoid blocking.The area of astigmatism block 51 can be that area progressively reduces from front to back, to promote to mix three primary colours.
By EL diplay subarray, the method be embedded in described electroluminescence laminar substrate is, electroluminescent layer submounts adopts the thermosets not yet carrying out heat curing.This thermosets should be transparent material after heat curing supplies.First each EL diplay subarray is arranged on each layer electroluminescent layer submounts, then each layer electroluminescent layer submounts is stacked, put into mould and heat, carry out heat curing.And then obtain EL diplay subarray and be embedded in layering el display panel in electroluminescence laminar substrate.Gap between the electroluminescent layer submounts of so electroluminescence laminar substrate can reduce, and even disappears.Also curing materials or the curing mode of other cured form can be considered, such as photocuring.
With reference to Fig. 5, a kind of electroluminescence point drive system, comprise an EL diplay array control system 9, EL diplay array control system 9 connects respectively and controls front electrode 42 and rear electrode 41, drives electroluminescence point luminous by the electric potential difference controlling alternation between front electrode 42 and rear electrode 41.EL diplay array control system 9 accesses front electrode 42 and the rear electrode 41 of an electroluminescent layer submounts, and electrode 42` and rear electrode 41` before another electroluminescent layer submounts adjacent with electroluminescent layer submounts.When electroluminescence array of display control system 9 drives electroluminescence point on electroluminescent layer submounts luminous, in another adjacent electroluminescent layer submounts with electrode 42` ground connection before the electroluminescence point of luminescence is close.To form shielding by ground connection, other avoiding driving near two electrode pairs of electroluminescence point luminescence do not need luminous electroluminescence point to impact.
Front electrode 42` can be ground connection under the control of electroluminescence array of display control system 9, or accesses other electric signal.
With reference to Fig. 6, another kind of electroluminescence point drive system, comprises an EL diplay array control system 9, and EL diplay array control system 9 connects respectively and controls front electrode 42 and rear electrode 41.Drive electroluminescence point luminous by the electric potential difference controlling alternation between front electrode and rear electrode, EL diplay array control system 9 accesses front electrode 42 and the rear electrode 41 of an electroluminescent layer submounts, and electrode 42` and rear electrode 41` before another electroluminescent layer submounts adjacent with electroluminescent layer submounts.
When electroluminescence array of display control system 9 drives electroluminescence point on electroluminescent layer submounts luminous, consistent with rear electrode 41 voltage-phase that the electroluminescence point in luminescence is close respectively with electrode 42` and rear electrode 41` before the electroluminescence point of luminescence is close in another adjacent electroluminescent layer submounts.To avoid the electric potential difference producing alternation on electroluminescence point that should not be luminous, so avoid should be luminous electroluminescence point luminous.Rear electrode 41 shares with front electrode 42`, so that save cost, reduces production difficulty.
With reference to Fig. 2, the bore hole 3D display screen of actual spot arrangement, comprise EL diplay array, EL diplay array comprises at least two group EL diplay subarrays, i.e. the first EL diplay subarray 11, second EL diplay subarray 12.First EL diplay subarray 11 and the second EL diplay subarray 12 are divided into upper and lower two-layer arrangement.Also comprise an electroluminescence laminar substrate, EL diplay subarray is arranged in (or interior) on electroluminescence laminar substrate, and electroluminescence laminar substrate adopts transparent material.
With reference to Fig. 3, the bore hole 3D display screen of actual spot arrangement can be considered as being keep flat stacked for multiple layering el display panel.Because electroluminescent layer submounts adopts transparent material, so when being watched by side, the electroluminescence point of at least two-layer luminescence be arranged above and below can be seen.The array that electroluminescence point is formed has height, width and the degree of depth simultaneously, namely possesses three dimensions, can show stereoscopic picture plane 6.And shown stereoscopic picture plane 6 is the stereoscopic picture planes 6 be made up of the luminous point of reality, not by the stereoscopic picture plane that persistence of vision is formed, realistic strong, the advantage such as visual angle is large.The angle having light to appear by each all allows to see stereoscopic picture plane 6.
The concrete structure of the bore hole 3D display screen of actual spot arrangement is with further reference to Fig. 2, and electroluminescence laminar substrate comprises at least two-layer electroluminescent layer submounts, namely at least comprises the first electroluminescent layer submounts 21, second electroluminescent layer submounts 22.First electroluminescent layer submounts 21 and the second electroluminescent layer submounts 22 are arranged above and below.First electroluminescent layer submounts 21 adopts transparent material, and the first EL diplay subarray 11 is arranged on the first electroluminescent layer submounts 21, and the second electroluminescent layer submounts 22 adopts transparent material, and electroluminescent layer substrate periphery is provided with transparent part.Second EL diplay subarray 12 is arranged on the second electroluminescent layer submounts 22.Can by without shadow glue between each layer electroluminescent layer submounts, or the good glue of other light transmissions bonds, to improve display quality.
Three EL diplay subarray arranged adjacent, and the electroluminescence point adopting the different color in three primary colours respectively, form an EL diplay group of subarrays.At least two EL diplay group of subarrays are arranged above and below, and form the bore hole 3D display screen of the actual spot arrangement that can show various rich colors.External accessory obtains stereopsis by the situation of lighting controlling each electroluminescence point in each EL diplay subarray respectively.
All right, EL diplay subarray is embedded in electroluminescence laminar substrate.When can adopt production layering el display panel in manufacture, the method be embedded in by EL diplay subarray in described electroluminescence laminar substrate adopted, obtains the bore hole 3D display screen that EL diplay subarray is embedded in the actual spot arrangement in described electroluminescence laminar substrate.Electroluminescent layer substrate peripheral can be cylindricality, spherical, polygon or other shapes.Electrode in EL diplay array can adopt transparency electrode, also can adopt tinsel, such as copper wire, filamentary silver etc.Tinsel should be comparatively thin in order to avoid affect vision.
With reference to Fig. 4, based on the aerial stereo imaging system of the bore hole 3D display screen of actual spot arrangement, comprise a Spatial Imaging System, Spatial Imaging System comprises a picture light source, also comprises one by the photoimaging systems of the picture that crosses from the light as light source aloft.Picture light source adopts the bore hole 3D display screen 7 of actual spot arrangement.Photoimaging systems comprises a convergence optical device 8 carrying out converging from the light as light source, the bore hole 3D display screen 7 of actual spot arrangement is combined with the intimate surface converging optical device 8, the stereopsis 71 that the bore hole 3D display screen 7 of actual spot arrangement produces is positioned at the determined imaging region of convergence optical device 8, using as picture light source, stereopsis 71 is presented in the air.Be combined with the intimate surface converging optical device 8 by the bore hole 3D display screen 7 that actual spot is arranged, reduce light refraction and reflection, and then can image quality be improved, also can avoid in addition between device because external force dislocation as far as possible.
Converging optical device 8 in Fig. 4 adopts a concave surface to converge device, and the bore hole 3D display screen 7 of actual spot arrangement is positioned at the concave surface that concave surface converges device.And it is corresponding that the peripheral structure of the bore hole 3D display screen 7 of actual spot arrangement and concave surface converge device inside surface, and both combine closely.The viewing area of the bore hole 3D display screen 7 of actual spot arrangement is positioned at concave surface and converges near device axis.So that form image quality aerial space image preferably.
Converge optical device 8 and can also adopt a plus lens, the bore hole 3D display screen 7 of actual spot arrangement is positioned at plus lens side, and plus lens is directly produced on the bore hole 3D display screen 7 of actual spot arrangement.So that form image quality aerial space image preferably.
More than show and describe ultimate principle of the present invention and principal character advantage of the present invention.The technician of the industry should understand the present invention not by the restriction of above-mentioned using method; what describe in above-mentioned using method and instructions just says principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall into application claims protection domain in the claimed scope of the invention and defined by appending claims and equivalent thereof.