CN102455519B - LED aerial projection display - Google Patents
LED aerial projection display Download PDFInfo
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- CN102455519B CN102455519B CN201110218745.1A CN201110218745A CN102455519B CN 102455519 B CN102455519 B CN 102455519B CN 201110218745 A CN201110218745 A CN 201110218745A CN 102455519 B CN102455519 B CN 102455519B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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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
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
Abstract
LED aerial projection display relates to display field.LED aerial projection display, including a Spatial Imaging System, described Spatial Imaging System includes one as light source, also include one by the photoimaging systems of the picture that aloft crosses from the light as light source, it is characterized in that, described picture light source uses light-emitting diode display, and light-emitting diode display includes at least one LED array of display.Because light-emitting diode display itself is luminous, using light-emitting diode display as light source, there is the features such as simple in construction, superb optical performance.Photoimaging systems will be rendered to as light source in the air.
Description
Technical field
The present invention relates to electronic applications, be specifically related to display field.
Background technology
Display screen is that the live and work of people brings the most conveniently.Existing display screen has the display screen of cathode ray tube (Cathode Ray Tube), LCDs, light-emitting diode display, plasma panel.In above-mentioned display screen, light-emitting diode display has the advantages such as low cost, life-span length, good, the fast response time of color, but mechanism itself and the production technology of light-emitting diode display still have several drawbacks now, therefore can not meet the market demand.To such an extent as to the light-emitting diode display with various good characteristic can not commercially obtain universal so far.
It addition, people show the strongest demand to solid.The stereo display technique of present stage, mainly also needs to wearing stereoscopic glasses.Bore hole 3D technology, the most immature.
Summary of the invention
It is an object of the invention to provide a kind of LED aerial projection display, to solve above-mentioned technical problem.
The present invention can realize by the following technical solutions:
LED aerial projection display, including a Spatial Imaging System, described Spatial Imaging System includes one as light source, also include one by the photoimaging systems of the picture that aloft crosses from the light as light source, it is characterized in that, described picture light source uses light-emitting diode display, and light-emitting diode display includes at least one LED array of display.
Because light-emitting diode display itself is luminous, using light-emitting diode display as light source, there is the features such as simple in construction, superb optical performance.Photoimaging systems will be rendered to as light source in the air.
Including at least two group LED display sub array, the i.e. first LED display sub array, the second LED display sub array；
Described first LED display sub array and the second LED display sub array are divided into the arrangement of before and after's two-layer, it is clear that can also be the mode of being arranged above and below.LED array of display is divided into the LED element arrangement quantity that at least two tandem LED display sub array of group can effectively reduce on same thickness (or height), can effectively reduce production difficulty.
More in the LED display sub array number of plies, and the when that LED display sub array being respectively controlled, it is possible to achieve stereoscopic image.
Three LED display sub array arranged adjacent, and the LED element of the different color being respectively adopted in three primary colours, constitute a LED display sub array group；At least two LED display sub array group is arranged above and below.It is configured to show the light-emitting diode display of various rich colors, as three-dimensional light-emitting diode display.External equipment obtains stereoscopic image by the situation of lighting controlling each LED element in each LED display sub array respectively.
Described photoimaging systems includes a convergence optics that will carry out converging from the described light as light source, general described light-emitting diode display or three-dimensional light-emitting diode display are combined with the surface of described convergence optics, and the stereoscopic image that general described light-emitting diode display or three-dimensional light-emitting diode display produce is positioned at the imaging region that described convergence optics determines.
By described light-emitting diode display or three-dimensional light-emitting diode display are combined with the surface converging optics, reduce light refraction and reflection, and then image quality can be improved, additionally can also avoid between device because external force misplaces as far as possible.
Described convergence optics uses a concave surface convergence device, and described light-emitting diode display or three-dimensional light-emitting diode display are positioned at described concave surface and converge the concave surface of device.And it is corresponding that the peripheral structure of described light-emitting diode display or three-dimensional light-emitting diode display converges device inner surface with described concave surface, and both combine closely.The viewing area of described light-emitting diode display or three-dimensional light-emitting diode display is positioned at described concave surface and converges near device axis.So that forming the preferably aerial three dimensional image of image quality.
Described convergence optics uses two concave surfaces to converge device, and two described concave surfaces converge device and relatively fasten, and described light-emitting diode display converges between device at two described concave surfaces；Concave surface described at least one of which converges bottom device and is provided with light-transmitting opening, in order to beam projecting, aloft forms picture.
Described convergence optics uses a plus lens, described light-emitting diode display or three-dimensional light-emitting diode display to be positioned at described plus lens side, and described plus lens is directly produced on described light-emitting diode display or three-dimensional light-emitting diode display.So that forming the preferably aerial three dimensional image of image quality.
Described photoimaging systems is an air suspension imaging system based on spectroscope imaging, is positioned at the spectroscope group above cabinet, described light-emitting diode display or three-dimensional light-emitting diode display including a cabinet and one and is positioned in the described cabinet below described spectroscope group, as light source.
The color of the LED that described first LED display sub array is used is inconsistent with the color of the LED that described second LED display sub array is used, in order to LED element controls and be easy to produce.
Described LED array of display includes three groups of LED display sub array, i.e. first LED display sub array, the second LED display sub array, the 3rd LED display sub array, described first LED display sub array, the second LED display sub array, the 3rd LED display sub array are divided into three-layer arrangement from A-P.To reduce production difficulty further.
Described first LED display sub array, the second LED display sub array, the 3rd LED display sub array, the LED element of the different color being respectively adopted in three primary colours.So that showing coloury picture.
The LED element of the different color in three primary colours can be red, green, blue three-color LED element.Can also be the three primary colours utilizing other forms, use the LED element of the three primary colours constituting other forms.
Described LED aerial projection display also includes that a LED-baseplate, described LED array of display are arranged in described LED-baseplate.
May is that in being embodied as
Described LED-baseplate two sides is respectively equipped with electrode group, respectively front electrode group and opposite electrode group；Containing at least two front electrodes in described front electrode group, containing at least two opposite electrode in described opposite electrode group；LED element in described LED array of display connects front electrode and opposite electrode respectively.
Described LED-baseplate is transparency carrier, preferably plastic, transparent substrate, such as PVC transparent plastic sheet, polymethyl methacrylate (PMMA) sheet, polystyrene (PS) sheet, polycarbonate (PC) sheet, transparent polyamide sheet, poly(4-methyl-1-pentene) (TPX) sheet etc..
Use plastic, transparent substrate, be more prone to perforation relative to glass plate, it is simple to LED element lead-in wire or pin connect the electrode of another side through described LED-baseplate.
Described LED-baseplate is flexible plastic, transparent substrate.So that making described LED-baseplate have flexibility, can bend.
Described electrode uses transparency electrode, or uses tinsel, such as filamentary silver, copper wire etc..To ensure display quality.The transparency electrode that transparency electrode is preferably flexible.
Containing at least three front electrodes in described front electrode group, at least three front electrodes are arranged in described LED-baseplate front, and do not interlock；Containing at least three opposite electrode in described opposite electrode group, at least three opposite electrode are arranged in described LED-baseplate reverse side, and do not interlock；Described front electrode group is with described opposite electrode group, and at least two strip electrodes exist staggered in the longitudinal direction.
By making front electrode group interlock with opposite electrode group, produce intersection point, in order to connect LED element in point of intersection.By producing a large amount of intersection points, it is simple to connect a large amount of LED element.
Containing at least three front electrodes in described front electrode group, at least three front electrode parallel arrangements are in described LED-baseplate front；Containing at least three opposite electrode in described opposite electrode group, at least three opposite electrode parallel arrangements are at described LED-baseplate reverse side；Described front electrode exists staggered with described opposite electrode in the longitudinal direction.
By parallel arrangement front electrode and opposite electrode, make arranging rule, it is simple to design, produce and software design.
Described LED-baseplate is provided with a through hole, and described LED element one end connects the electrode of one side, and the other end of described LED element connects the electrode of another side by described through hole.
In being embodied as it may also is that
Described LED-baseplate includes at least two-layer LED submounts, the most at least includes a LED submounts, the 2nd LED submounts；A described LED submounts is with described 2nd LED submounts in tandem；A described LED submounts uses transparent material；Described first LED display sub array is arranged on a described LED submounts, and described second LED display sub array is arranged on described 2nd LED submounts.By arranging LED submounts as carrier for the LED display sub array of LED array of display, reduce production difficulty further, and allow to increase LED element arrangement density, to increase pixel.
Can be by without shadow glue between described each layer LED submounts, or the good glue of other light transmissions bonds, to improve display quality.
Described LED-baseplate includes three layers of LED submounts, i.e. include a tandem LED submounts, the 2nd LED submounts, the 3rd LED submounts, a described LED submounts, the 2nd LED submounts are respectively adopted transparent material, and a described LED submounts, the 2nd LED submounts, the 3rd LED submounts are loaded with described first LED display sub array, the second LED display sub array, the 3rd LED display sub array respectively.While reducing production difficulty, allowing to increase LED element arrangement density, in order to show coloury picture.
The front of a described LED submounts is also covered with a transparent overcoat, in order to protect the first LED display sub array.
LED element in described LED array of display uses adopting surface mounted LED element, or directly uses LED wafer.So that reducing the area that LED element itself is shared.
The front of the described LED submounts being positioned at relative rear is furnished with rear electrode (conducting wire), the rear of the described LED submounts being positioned at relative front is furnished with front electrode (conducting wire), arrange before and after two pins of described LED element, be respectively connected to described rear electrode and front electrode.Front electrode can be set on overcoat.Front electrode and rear electrode constitute and control array, under the control of external control circuit and then control the luminous situation of each LED element, thus realize the control to imaging pixel.So be conducive to simplifying the production technology controlling array.
Described front electrode uses transparency electrode, in order to form more preferable display effect.
Rear electrode on LED submounts described at least two uses transparency electrode, in order to form more preferable display effect.Rear electrode on last described LED submounts can not use transparency electrode.
One pin of described LED element is fixedly attached in rear electrode or front electrode, and another pin is pressed together on another in front electrode or rear electrode.To simplify production technology.
In two pins of described LED element, at least one is for having resilient pin, in order to keep good contact by the elastic rear electrode with pressing or front electrode.
Or carry out the rear electrode of pressing with described pin or front electrode uses the transparency electrode with flexibility, in order in bonding processes, the pin with described LED element carries out good contact.
It is provided with an astigmatism block with astigmatism effect at the LED submounts in described LED element front, all uses so that the light launched of described LED element is soft.
The area of described astigmatism block, more than the longitudinal section area of described LED element, so that the area of single pixel is bigger, and then improves display effect.
Described astigmatism block can be the part matsurface of LED submounts, it is also possible to be front electrode coarse on LED submounts or rear electrode.
It is also possible that described LED display sub array is embedded in described LED-baseplate.
Described LED-baseplate periphery can be cylindricality, spherical, polygon or other shapes.
LED-baseplate periphery is provided with transparent part.So that from the image within the three-dimensional light-emitting diode display of side viewing.
At least three layers of described LED submounts stacking are kept flat.Because LED submounts uses transparent material, during so being watched by side, it can be seen that the LED element that at least two-layer being arranged above and below is luminous.The array that LED element is constituted has height, width and the degree of depth simultaneously, i.e. possesses three dimensions, can show stereoscopic picture plane.And shown stereoscopic picture plane is the stereoscopic picture plane being made up of actual luminous point, the stereoscopic picture plane formed not by persistence of vision, realistic strong, the advantage such as visual angle is big.All allow to see stereoscopic picture plane by each angle having light to appear.
It is also possible that described LED display sub array is embedded in described LED-baseplate.Manufacture can use the described method in described LED-baseplate that LED display sub array is embedded in, obtain the three-dimensional light-emitting diode display that LED display sub array is embedded in described LED-baseplate.
Described LED-baseplate periphery can be cylindricality, spherical, polygon or other shapes.
Accompanying drawing explanation
Fig. 1 is a kind of STRUCTURE DECOMPOSITION schematic diagram of LED aerial projection display.
Fig. 2 is the part-structure decomposing schematic representation of three-dimensional light-emitting diode display.
Fig. 3 is the overall structure schematic diagram of three-dimensional light-emitting diode display.
Fig. 4 is the part-structure schematic diagram of LED aerial projection display.
Fig. 5 is the STRUCTURE DECOMPOSITION schematic diagram that LED aerial projection display LED-baseplate two sides is respectively equipped with electrode group.
Detailed description of the invention
The technological means, the creation characteristic that realize for the present invention, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, the present invention is expanded on further.
With reference to Fig. 4, LED aerial projection display, including a Spatial Imaging System, Spatial Imaging System includes one as light source, also include that one by the photoimaging systems of the picture that aloft crosses from the light as light source, as light source uses light-emitting diode display, light-emitting diode display includes at least one LED array of display.
Because light-emitting diode display itself is luminous, using light-emitting diode display as light source, there is the features such as simple in construction, superb optical performance.Photoimaging systems will be rendered to as light source in the air.
With reference to Fig. 1, light-emitting diode display, including LED array of display, LED array of display includes at least two group LED display sub array, i.e. first LED display sub array the 11, second LED display sub array 12.First LED display sub array 11 and the second LED display sub array 12 are divided into the arrangement of before and after's two-layer, it is clear that can also be the mode of being arranged above and below.LED array of display is divided into the LED element arrangement quantity that at least two tandem LED display sub array of group can effectively reduce on same thickness (or height), can effectively reduce production difficulty.LED display sub array can also be allowed to be embedded in LED-baseplate.LED-baseplate periphery can be cylindricality, spherical, polygon or other shapes.More in the LED display sub array number of plies, and the when that LED display sub array being respectively controlled, it is possible to achieve stereoscopic image.
LED element in LED array of display uses adopting surface mounted LED element, or directly uses LED wafer.So that reducing the area that LED element itself is shared.The color of the LED element that the color of the LED element that the first LED display sub array 11 is used and the second LED display sub array 12 are used
Inconsistent.This design can be so that LED element controls and is easy to produce.
In order to produce abundant color, in actual production, LED array of display can use three groups of LED display sub array, i.e. from first LED display sub array the 11, second LED display sub array the 12, the 3rd LED display sub array 13 of A-P hierarchal arrangement.First LED display sub array the 11, second LED display sub array the 12, the 3rd LED display sub array 13, the LED element of the different color being respectively adopted in three primary colours, the LED element color in each group LED display sub array is the most consistent.So that showing coloury picture.The LED element of the different color in three primary colours can be red, green, blue three-color LED element.Can also be the three primary colours utilizing other forms, use the LED element of the three primary colours constituting other forms.
Three LED display sub array arranged adjacent, and the LED element of the different color being respectively adopted in three primary colours, constitute a LED display sub array group.At least two LED display sub array group is arranged above and below, and is configured to show the three-dimensional light-emitting diode display 7 of various rich colors.
External accessory obtains stereoscopic image by the situation of lighting controlling each LED element in each LED display sub array respectively.Light-emitting diode display also includes that LED-baseplate, LED array of display are arranged in LED-baseplate.
With reference to Fig. 4, as light source uses the most three-dimensional light-emitting diode display 7.Photoimaging systems includes that one will carry out, from as the light of light source, the convergence optics 8 that converges, combine closely in three-dimensional light-emitting diode display 7 and the surface converging optics 8, the stereoscopic image 71 that three-dimensional light-emitting diode display 7 produces is positioned at imaging region determined by convergence optics 8, as as light source, stereoscopic image 71 is presented in the air.By being combined closely in three-dimensional light-emitting diode display 7 and the surface converging optics 8, reduce light refraction and reflection, and then image quality can be improved, additionally can also avoid between device because external force misplaces as far as possible.
Converging optics 8 in Fig. 4 uses a concave surface to converge device, and three-dimensional light-emitting diode display 7 is positioned at concave surface and converges the concave surface of device.And it is corresponding that the peripheral structure of three-dimensional light-emitting diode display 7 converges device inner surface with concave surface, and both combine closely.The viewing area of three-dimensional light-emitting diode display 7 is positioned at concave surface and converges near device axis.So that forming the preferably aerial three dimensional image of image quality.
In specifically used, converging optics 8 and two concave surfaces can be used to converge device, two concave surfaces converge device and relatively fasten, and light-emitting diode display converges between device at two described concave surfaces.Concave surface described at least one of which converges bottom device and is provided with light-transmitting opening, in order to beam projecting, aloft forms picture.
Converging optics 8 can also use a plus lens, three-dimensional light-emitting diode display 7 to be positioned at plus lens side, and plus lens is directly produced on three-dimensional light-emitting diode display 7.So that forming the preferably aerial three dimensional image of image quality.
Photoimaging systems can also be an air suspension imaging system based on spectroscope imaging, is positioned at the spectroscope group above cabinet including a cabinet and one, and described light-emitting diode display is positioned in the described cabinet below described spectroscope group, as light source.
Existing air suspension imaging system based on spectroscope imaging is typically made up of cabinet, spectroscope group, shot-light, video playback apparatus, based on spectroscope image-forming principle, by product real scene shooting being built the special handling of threedimensional model, then product image or the product threedimensional model image superposition of shooting are marched into the arena in scape, constitute the product demonstration system being association of activity and inertia.The product model phantom imaging effect incorporating outdoor scene is finally shown to spectators.In the present invention, shot-light can be omitted, video playback apparatus be changed into light-emitting diode display, and carries out suitable conventional optical system optimization, effect can be realized.
With reference to Fig. 2, three-dimensional light-emitting diode display, including LED array of display, LED array of display includes at least two group LED display sub array, i.e. first LED display sub array the 11, second LED display sub array 12.First LED display sub array 11 and the second LED display sub array 12 are divided into the arrangement of upper and lower two-layer.Also including a LED-baseplate, LED display sub array is arranged in LED-baseplate (or interior), and LED-baseplate uses transparent material.
With reference to Fig. 3, three-dimensional light-emitting diode display can be considered as keeping flat multiple light-emitting diode display stackings.Because LED submounts uses transparent material, during so being watched by side, it can be seen that the LED element that at least two-layer being arranged above and below is luminous.The array that LED element is constituted has height, width and the degree of depth simultaneously, i.e. possesses three dimensions, can show stereoscopic picture plane 6.And shown stereoscopic picture plane 6 is the stereoscopic picture plane 6 being made up of actual luminous point, the stereoscopic picture plane formed not by persistence of vision, realistic strong, the advantage such as visual angle is big.All allow to see stereoscopic picture plane 6 by each angle having light to appear.
The concrete structure of three-dimensional light-emitting diode display is with further reference to Fig. 2, and LED-baseplate includes at least two-layer LED submounts, the most at least includes LED submounts the 21, a 2nd LED submounts 22.Oneth LED submounts 21 is arranged above and below with the 2nd LED submounts 22.Oneth LED submounts 21 uses transparent material, and the first LED display sub array 11 is arranged on a LED submounts 21, and the 2nd LED submounts 22 uses transparent material.Because there is distance between the first LED display sub array 11 and the second LED display sub array 12, it is possible to display stereo-picture.
LED-baseplate periphery is provided with transparent part.So that from the image within the three-dimensional light-emitting diode display of side viewing.Second LED display sub array 12 is arranged on the 2nd LED submounts 22.Can be by without shadow glue between each layer LED submounts, or the good glue of other light transmissions bonds, to improve display quality.
It is also possible that LED display sub array is embedded in LED-baseplate.When manufacture can use production light-emitting diode display, the method in described LED-baseplate that LED display sub array is embedded in used, obtain the three-dimensional light-emitting diode display that LED display sub array is embedded in described LED-baseplate.LED-baseplate periphery can be cylindricality, spherical, polygon or other shapes.The electrode of the pin connecting LED element in LED array of display can use transparency electrode, it would however also be possible to employ tinsel, such as copper wire, filamentary silver etc..Tinsel should be relatively thin in order to avoid affecting vision.
In being embodied as, LED-baseplate structure be may is that
With reference to Fig. 5, LED-baseplate 102 two sides is respectively equipped with electrode group, respectively front electrode group 103 and opposite electrode group 104.Containing at least two front electrodes in front electrode group 103, containing at least two opposite electrode in opposite electrode group.LED element in LED array of display connects front electrode and opposite electrode respectively.
Situation is lighted by what the electromotive force situation controlling front electrode and opposite electrode accurately controlled each LED element.By electrode group being arranged on LED-baseplate 102 two sides, it is to avoid two arrays of electrodes because the staggered and situation of short circuit occur when forming array, thus in reducing design and producing, electrode group arrangement difficulty.The LED element using the different color in three primary colours it is placed with in LED-baseplate 102.So that display different color.
LED-baseplate 102 can use transparency carrier, preferably plastic, transparent substrate, such as PVC transparent plastic sheet, polymethyl methacrylate (PMMA) sheet, polystyrene (PS) sheet, polycarbonate (PC) sheet, transparent polyamide sheet, poly(4-methyl-1-pentene) (TPX) sheet etc..Use plastic, transparent substrate, be more prone to perforation relative to glass plate, it is simple to LED element lead-in wire or pin connect the electrode of another side through described LED-baseplate 102.
Further, the most flexible plastic, transparent substrate of LED-baseplate 102, in order to make described LED-baseplate have flexibility, can bend.Electrode uses transparency electrode, or uses tinsel, such as filamentary silver, copper wire etc., to ensure display quality.The transparency electrode that transparency electrode is preferably flexible.
Containing at least three front electrodes in front electrode group 103, at least three front electrodes are arranged in LED-baseplate 102 front, and do not interlock.Containing at least three opposite electrode in opposite electrode group 104, at least three opposite electrode are arranged in LED-baseplate 102 reverse side, and do not interlock.Front electrode group 103 is with opposite electrode group 104, and at least two strip electrodes exist staggered in the longitudinal direction.By making front electrode group 103 interlock with opposite electrode group 104, produce intersection point, in order to connect LED element in point of intersection.By producing a large amount of intersection points, it is simple to connect a large amount of LED element.Do not contact by making front electrode group 103 staggered with opposite electrode group 104.
Further, containing at least three front electrodes in front electrode group 103, at least three front electrode parallel arrangements are in described LED-baseplate 102 front.Containing at least three opposite electrode in opposite electrode group 104, at least three opposite electrode parallel arrangements are at LED-baseplate 102 reverse side.Front electrode exists staggered in the longitudinal direction with opposite electrode.By parallel arrangement front electrode, and opposite electrode, make arranging rule, it is simple to design, produce and software design.
It may be that LED-baseplate 102 is provided with a through hole, opposite electrode extends to LED-baseplate 102 front by through hole, and forms junction point.LED element is positioned at LED-baseplate 102 front, connects front electrode and junction point respectively.
It is also possible that LED-baseplate 102 is provided with a through hole, front electrode extends to LED-baseplate 102 reverse side by through hole, and forms junction point.LED element is positioned at LED-baseplate 102 reverse side, connects opposite electrode and junction point respectively.LED-baseplate 102 is provided with the bloomings such as diffusion barrier.LED element is positioned at LED-baseplate 102 reverse side, and the light sent is received by human eye after blooming, to form the picture of good quality.
It is also possible that LED-baseplate 102 is provided with a through hole, LED element one end connects the electrode of one side, and the other end of described LED element connects the electrode of another side through described through hole.A LED element can take alone a through hole, it is also possible to be that 2～4 LED element take a through hole jointly.
It is also possible that LED-baseplate 102 is provided with a through hole, LED element is embedded in through hole, and the two ends of LED element connect the double-edged electrode of LED-baseplate respectively.
Also including at least one overcoat, overcoat covers in LED-baseplate 102 front, to protect LED-baseplate 102 and LED element.
A below scheme can be had for the design of overcoat:
(1) overcoat can use flexible plastic sheet, in order to makes lattice LED display have flexibility.
(2) LED-baseplate 102 obverse and reverse has been covered each by flexible transparent plastic plate.Make tow sides can appreciate display picture.
(3) overcoat can use hard transparent plate, such as hard plastic board or glass plate.To make LED-baseplate 102 and LED element be fixed, making lattice LED display keep definite shape, and playing a good protection.
(4) LED-baseplate 102 obverse and reverse has been covered each by hard transparent plate.Make tow sides can appreciate display picture.
In being embodied as LED-baseplate structure it may also is that
With reference to Fig. 1, LED-baseplate includes at least two-layer LED submounts, the most at least includes LED submounts the 21, a 2nd LED submounts 22.In tandem, a LED submounts 21 uses transparent material for oneth LED submounts 21 and the 2nd LED submounts 22.First LED display sub array 11 is arranged on a LED submounts 21, and the second LED display sub array 12 is arranged on the 2nd LED submounts 22.By arranging LED submounts as carrier for the LED display sub array of LED array of display, reduce production difficulty further, and allow to increase LED element arrangement density, to increase pixel.
In order to produce abundant color, in actual production, LED-baseplate can use three layers of LED submounts, the most tandem LED submounts the 21, the 2nd LED submounts the 22, the 3rd LED submounts 23.Oneth LED submounts the 21, the 2nd LED submounts 22 is respectively adopted transparent material.First LED display sub array the 11, second LED display sub array the 12, the 3rd LED display sub array 13 it is loaded with respectively on oneth LED submounts the 21, the 2nd LED submounts the 22, the 3rd LED submounts 23.The front of the oneth LED submounts 21 is also covered with a transparent overcoat 3, in order to protect the first LED display sub array 11.While reducing production difficulty, allowing to increase LED element arrangement density, in order to show coloury picture.
The front of the LED submounts being positioned at relative rear is furnished with rear electrode 41 (conducting wire), and the rear of the LED submounts being positioned at relative front is furnished with front electrode 42 (conducting wire).Arrange before and after two pins of LED element, be respectively connected to rear electrode and front electrode.Front electrode 42 can be set on overcoat.Front electrode 42 and rear electrode 41 constitute and control array, under the control of external control circuit and then control the luminous situation of each LED element, thus realize the control to imaging pixel.So be conducive to simplifying the production technology controlling array.Front electrode 42 all uses transparency electrode, and the rear electrode on LED submounts the 11, a 2nd LED submounts 12 uses transparency electrode, in order to form more preferable display effect.Rear electrode 41 on 3rd LED submounts 23 can not use transparency electrode.
In order to reduce production difficulty further, a pin of LED element is fixedly attached to rear electrode 41 (or front electrode), and another pin is crimped on front electrode 42 (or rear electrode), to simplify production technology.In order to ensure good electrical contact, in two pins of LED element, at least one is for having resilient pin, in order to keep good contact by the elastic rear electrode 41 with pressing or front electrode 42.Or carry out the rear electrode of pressing with the pin of LED element or front electrode uses the transparency electrode with flexibility or elasticity, in order in bonding processes, the pin with LED element carries out good contact.
LED submounts can use the transparent material of flexibility, to generate the light-emitting diode display with flexibility.In order to adapt to flexible demand, the electrode connecting LED element in LED array of display can use tinsel, such as filamentary silver, copper wire etc..
It is provided with the astigmatism block 51 with astigmatism effect at the LED submounts in LED element front, all uses so that the light launched of LED element is soft.The area of astigmatism block 51, more than the longitudinal section area of LED element, so that the area of single pixel is bigger, and then improves display effect.Astigmatism block 51 can be the part matsurface that LED submounts produces, it is also possible to be the matsurface produced on the front electrode on LED submounts or rear electrode.
LED element in each LED display sub array tandem can be with overlapping arrangement, it is also possible to dislocation arrangement.LED element can with overlapping arrangement time, the area of astigmatism block 51 more than the longitudinal section area of LED element, can be prevented effectively from the LED element in front and cause the light that the LED element at rear produces and block.Additionally astigmatism block 51 can play the effect mixing three primary colours.The area of astigmatism block 51 can be that area incrementally 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.
The method being embedded in described LED-baseplate by LED display sub array is, LED submounts uses the thermosets not yet carrying out heat cure.This thermosets should be transparent material after heat cure supplies.First each LED display sub array is arranged on each layer LED submounts, then each layer LED submounts is stacked, put in mould and heat, carry out heat cure.And then obtain the light-emitting diode display that LED display sub array is embedded in LED-baseplate.So the gap between the LED submounts of LED-baseplate can reduce, and even disappears.It is also contemplated that the curing materials of other cured form or curing mode, such as photocuring.
Ultimate principle and the principal character advantages of the present invention of the present invention are more than shown and described.The industry skilled person will appreciate that the present invention is not limited by above-mentioned using method; the principle simply saying the present invention described in above-mentioned using method and description; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, these changes and improvements in both falling within the claimed scope of the invention claimed scope defined by appending claims and equivalent thereof.
Claims (66)
1.LED aerial projection display, including a Spatial Imaging System, described Spatial Imaging System includes
One as light source, also includes that one by the photoimaging systems of the picture that aloft crosses from the light as light source, it is special
Levying and be, described picture light source uses light-emitting diode display, and light-emitting diode display includes that at least one LED shows battle array
Row；
LED array of display includes at least two group LED display sub array, the i.e. first LED display sub array,
Second LED display sub array；Described first LED display sub array and the second LED display sub array are divided
Two-layer arrangement before and after one-tenth, or be arranged above and below；
Described LED aerial projection display also includes a LED-baseplate, and described LED array of display is arranged
In described LED-baseplate；
Described LED-baseplate includes at least two-layer LED submounts, the most at least include a LED submounts,
2nd LED submounts；A described LED submounts and described 2nd LED submounts in tandem or
Person is arranged above and below；Described first LED display sub array is arranged on a described LED submounts, described
Second LED display sub array is arranged on described 2nd LED submounts；
Described photoimaging systems includes a convergence optics device that will carry out converging from the described light as light source
Part, described light-emitting diode display is combined with the surface of described convergence optics, and described light-emitting diode display produces
Stereoscopic image be positioned at the imaging region that described convergence optics determines.
LED aerial projection display the most according to claim 1, it is characterised in that: LED shows
Array includes LED display sub array group；
Three LED display sub array arranged adjacent, and the LED of the different color being respectively adopted in three primary colours
Element, constitutes a LED display sub array group；At least two LED display sub array group is arranged above and below, structure
One-tenth can show the light-emitting diode display of various rich colors, as three-dimensional light-emitting diode display.
LED aerial projection display the most according to claim 1 and 2, it is characterised in that: outside
Equipment obtains solid by the situation of lighting controlling each LED element in each LED display sub array respectively
Image.
LED aerial projection display the most according to claim 1, it is characterised in that: described convergence
Optics uses a concave surface to converge device, and described light-emitting diode display is positioned at described concave surface and converges the recessed of device
In face.
LED aerial projection display the most according to claim 4, it is characterised in that: described LED
It is corresponding that the peripheral structure of display converges device inner surface with described concave surface, and both combine closely.
LED aerial projection display the most according to claim 5, it is characterised in that: described LED
The viewing area of display is positioned at described concave surface and converges near device axis.
LED aerial projection display the most according to claim 1, it is characterised in that: described convergence
Optics uses two concave surfaces to converge device, and two described concave surfaces converge device and relatively fasten, described LED
Display converges between device at two described concave surfaces；Concave surface described at least one of which converges at the bottom of device
Portion is provided with light-transmitting opening, in order to beam projecting, aloft forms picture.
LED aerial projection display the most according to claim 1, it is characterised in that: described convergence
Optics uses a plus lens, described light-emitting diode display to be positioned at described plus lens side, and institute
State plus lens to be directly produced on described light-emitting diode display.
9. according to claim 1,2, LED aerial projection display described in any one in 4-8, its
It is characterised by: described photoimaging systems is an air suspension imaging system based on spectroscope imaging, including
One cabinet and one is positioned at the spectroscope group above cabinet, and described light-emitting diode display is positioned under described spectroscope group
In the described cabinet of side, as light source.
LED aerial projection display the most according to claim 1, it is characterised in that: described
The color of the LED that one LED display sub array is used is used with described second LED display sub array
The color of LED inconsistent.
11. LED aerial projection display according to claim 1, it is characterised in that: described LED
Array of display includes three groups of LED display sub array, and the i.e. first LED display sub array, the 2nd LED are aobvious
Showing subarray, the 3rd LED display sub array, described first LED display sub array, the 2nd LED are aobvious
Show that subarray, the 3rd LED display sub array are divided into three-layer arrangement from A-P.
12. LED aerial projection display according to claim 11, it is characterised in that: described
One LED display sub array, the second LED display sub array, the 3rd LED display sub array, adopt respectively
LED element with the different color in three primary colours.
13. LED aerial projection display according to claim 12, it is characterised in that: three primary colours
In the LED element of different color be red, green, blue three-color LED element.
14. LED aerial projection display according to claim 1, it is characterised in that: described LED
Substrate two sides is respectively equipped with electrode group, respectively front electrode group and opposite electrode group；Described front electrode
Containing at least two front electrodes in group, containing at least two opposite electrode in described opposite electrode group；Institute
State the LED element in LED array of display and connect front electrode and opposite electrode respectively.
15. LED aerial projection display according to claim 14, it is characterised in that: described
LED-baseplate is transparency carrier.
16. LED aerial projection display according to claim 15, it is characterised in that: described
LED-baseplate is plastic, transparent substrate.
17. LED aerial projection display according to claim 14, it is characterised in that: described
LED-baseplate is PVC transparent plastic sheet, polymethyl methacrylate (PMMA) sheet, polystyrene (PS)
In sheet, polycarbonate (PC) sheet, transparent polyamide sheet, poly(4-methyl-1-pentene) (TPX) sheet extremely
Few one.
18. LED aerial projection display according to claim 16, it is characterised in that: described
LED-baseplate is flexible plastic, transparent substrate, in order to make described LED-baseplate have flexibility, it is possible to enter
Row bending.
19. LED aerial projection display according to claim 14, it is characterised in that: described electricity
Pole uses transparency electrode.
20. LED aerial projection display according to claim 19, it is characterised in that: described electricity
Pole uses flexible transparency electrode.
21. LED aerial projection display according to claim 14, it is characterised in that: described electricity
Pole uses tinsel.
22. LED aerial projection display according to claim 21, it is characterised in that: described electricity
Pole uses at least one in filamentary silver, copper wire.
23. LED aerial projection display according to claim 14, it is characterised in that: described just
Containing at least three front electrodes in the electrode group of face, at least three front electrodes are arranged in described LED-baseplate
Front, and do not interlock；Containing at least three opposite electrode in described opposite electrode group, at least three reverse side
Electrode arrangements is at described LED-baseplate reverse side, and does not interlocks；Described front electrode group and described opposite electrode
In group, at least two strip electrodes exist staggered in the longitudinal direction.
24. LED aerial projection display according to claim 23, it is characterised in that: by making
Front electrode group is interlocked with opposite electrode group, produces intersection point, connects LED element in point of intersection.
25. LED aerial projection display according to claim 14, it is characterised in that: described just
Containing at least three front electrodes in the electrode group of face, at least three front electrode parallel arrangements are at described LED
Substrate front side；Containing at least three opposite electrode in described opposite electrode group, at least three opposite electrode are put down
Row is arranged in described LED-baseplate reverse side；Described front electrode is deposited in the longitudinal direction with described opposite electrode
Staggered.
26. according to the LED aerial projection display described in any one in claim 14-25, and it is special
Levying and be: described LED-baseplate is provided with a through hole, described LED element one end connects the electrode of one side,
The other end of described LED element connects the electrode of another side by described through hole.
27. LED aerial projection display according to claim 26, it is characterised in that: reverse side electricity
Pole extends to LED-baseplate front by through hole, and forms junction point, and LED element is positioned at LED-baseplate
Front, connects front electrode and junction point respectively.
28. LED aerial projection display according to claim 26, it is characterised in that: front electricity
Pole extends to LED-baseplate reverse side by through hole, and forms junction point, and LED element is positioned at LED-baseplate
Reverse side, connects opposite electrode and junction point respectively.
29. LED aerial projection display according to claim 28, it is characterised in that: LED base
Plate is provided with blooming, and the light that LED element is sent is received by human eye after blooming, to be formed relatively
The picture of good quality.
30. LED aerial projection display according to claim 29, it is characterised in that: blooming
Including diffusion barrier.
31. LED aerial projection display according to claim 26, it is characterised in that: LED base
Plate is provided with a through hole, and LED element is embedded in through hole, and the two ends of LED element connect LED base respectively
The double-edged electrode of plate.
32. LED aerial projection display according to claim 26, it is characterised in that: one
LED element takies alone a through hole.
33. LED aerial projection display according to claim 26, it is characterised in that: 2～4
Individual LED element takies a through hole jointly.
34. according to the LED aerial projection display described in any one in claim 14-25, and it is special
Levy and be: a described LED submounts uses transparent material.
35. LED aerial projection display according to claim 34, it is characterised in that: described respectively
By without shadow glue bond between layer LED submounts, to improve display quality.
36. LED aerial projection display according to claim 34, it is characterised in that: described
LED-baseplate includes three layers of LED submounts, i.e. include a tandem LED submounts, second
LED submounts, the 3rd LED submounts, a described LED submounts, the 2nd LED submounts divide
Do not use transparent material, a described LED submounts, the 2nd LED submounts, the 3rd LED subbase
Described first LED display sub array, the second LED display sub array, the 3rd LED it is loaded with respectively on plate
Display subarray.
37. LED aerial projection display according to claim 34, it is characterised in that: described
The front of one LED submounts is also covered with a transparent overcoat, in order to protection the oneth LED shows submatrix
Row.
38. according to claim 1,2, LED described in any one projects aobvious in the air in 4-8,10-25
Show device, it is characterised in that: the LED element in described LED array of display uses adopting surface mounted LED element,
Or directly use LED wafer.
39. LED aerial projection display according to claim 34, it is characterised in that: it is positioned at phase
The front of the described LED submounts at rear is furnished with rear electrode, is positioned at the described LED subbase in relative front
The rear of plate is furnished with front electrode, before and after two pins of described LED element arrange, be respectively connected to described after
Electrode and front electrode.
40. according to the LED aerial projection display described in claim 37, it is characterised in that: overcoat
On front electrode is set.
41. according to the LED aerial projection display described in claim 39, it is characterised in that: front electrode
Constitute with rear electrode and control array, under the control of external control circuit and then control each LED element
Luminous situation, thus realize the control to imaging pixel.
42. according to the LED aerial projection display described in claim 39, it is characterised in that: before described
Electrode uses transparency electrode.
43. LED aerial projection display according to claim 42, it is characterised in that: at least two
Rear electrode on individual described LED submounts uses transparency electrode.
44. LED aerial projection display according to claim 43, it is characterised in that: last
Rear electrode on individual described LED submounts does not use transparency electrode.
45. according to the LED aerial projection display described in claim 39, it is characterised in that: described
One pin of LED element is fixedly attached in rear electrode or front electrode, another pin pressure
It is combined on another in front electrode or rear electrode.
46. LED aerial projection display according to claim 45, it is characterised in that: described
In two pins of LED element, at least one is for having resilient pin, in order to by elastic and pressing
Rear electrode or front electrode keep good contact.
47. LED aerial projection display according to claim 45, it is characterised in that: with described
Pin carries out the rear electrode of pressing or front electrode uses the transparency electrode with flexibility, in order to bonding processes
In carry out good contact with the pin of described LED element.
48. LED aerial projection display according to claim 47, it is characterised in that: described
An astigmatism block with astigmatism effect it is provided with at the LED submounts in LED element front, so that described
Light that LED element is launched is soft all to be used.
49. LED aerial projection display according to claim 48, it is characterised in that: described scattered
The area of light block, more than the longitudinal section area of described LED element, so that the area of single pixel is bigger, enters
And improve display effect.
50. LED aerial projection display according to claim 49, it is characterised in that: described scattered
Light block is the part matsurface of LED submounts.
51. LED aerial projection display according to claim 49, it is characterised in that: described scattered
Light block is front electrode coarse on LED submounts or rear electrode.
52. LED aerial projection display according to claim 34, it is characterised in that: described
LED display sub array is embedded in described LED-baseplate.
53. LED aerial projection display according to claim 52, it is characterised in that: described
LED-baseplate periphery is cylindricality, spherical.
54. LED aerial projection display according to claim 53, it is characterised in that: LED base
Plate periphery is provided with transparent part, in order to from the image within side viewing light-emitting diode display.
55. LED aerial projection display according to claim 54, it is characterised in that: will at least
Three layers of described LED submounts stacking keep flat, because LED submounts uses transparent material, so passing through side
During the viewing of face, it can be seen that the LED element that at least two-layer being arranged above and below is luminous, LED element is constituted
Array has height, width and the degree of depth simultaneously, i.e. possesses three dimensions, it is possible to display stereoscopic picture plane, and
And shown stereoscopic picture plane is the stereoscopic picture plane being made up of actual luminous point, not by persistence of vision shape
The stereoscopic picture plane become.
56. LED aerial projection display according to claim 55, it is characterised in that: LED
Substrate includes at least two-layer LED submounts, the most at least includes a LED submounts, the 2nd LED
Substrate；Oneth LED submounts and the 2nd LED submounts are arranged above and below, and a LED submounts uses
Transparent material, the first LED display sub array cloth on a LED submounts, the 2nd LED submounts
Use transparent material because exist between the first LED display sub array and the second LED display sub array away from
From, it is possible to display stereo-picture.
57. according to the LED aerial projection display described in claim 37, it is characterised in that: overcoat
Use flexible plastic sheet.
58. LED aerial projection display according to claim 57, it is characterised in that: LED base
Plate obverse and reverse has been covered each by flexible transparent plastic plate.
59. according to the LED aerial projection display described in claim 37, it is characterised in that: overcoat
Use hard transparent plate.
60. LED aerial projection display according to claim 59, it is characterised in that: overcoat
Use at least one in hard plastic board or glass plate.
61. LED aerial projection display according to claim 60, it is characterised in that: LED
Substrate front side and reverse side have been covered each by hard transparent plate.
62. LED aerial projection display according to claim 49, it is characterised in that: astigmatism block
Area be that area incrementally increases from front to back, to avoid blocking.
63. LED aerial projection display according to claim 49, it is characterised in that: astigmatism block
Area area from front to back progressively reduce, with promote three primary colours are mixed.
64. LED aerial projection display according to claim 52, it is characterised in that: by LED
The method that display subarray is embedded in described LED-baseplate is, LED submounts uses and not yet carries out thermosetting
The thermosets changed, this thermosets should be transparent material after heat cure, first by each
LED display sub array is arranged on each layer LED submounts, then each layer LED submounts is stacked in one
Rise, put in mould and heat, carry out heat cure, and then obtain LED display sub array and be embedded in LED
Light-emitting diode display in substrate.
65. LED aerial projection display according to claim 55, it is characterised in that: LED
Substrate uses three layers of LED submounts, the most tandem LED submounts, the 2nd LED subbase
Plate, the 3rd LED submounts, a LED submounts, the 2nd LED submounts are respectively adopted transparent material
Matter；
First it is loaded with respectively on oneth LED submounts, the 2nd LED submounts, the 3rd LED submounts
LED display sub array, the second LED display sub array, the 3rd LED display sub array；
The front of the oneth LED submounts is also covered with a transparent overcoat, in order to protection the oneth LED shows
Show subarray.
66. according to claim 1,2, LED described in any one projects aobvious in the air in 4-8,10-25
Show device, it is characterised in that: LED aerial projection display is enriched by increasing LED element arrangement density
Display color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110218745.1A CN102455519B (en) | 2010-10-14 | 2011-08-01 | LED aerial projection display |
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| CN201010507209.9 | 2010-10-14 | ||
| CN201010507209 | 2010-10-14 | ||
| CN2010105072099 | 2010-10-14 | ||
| CN201110218745.1A CN102455519B (en) | 2010-10-14 | 2011-08-01 | LED aerial projection display |
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| CN102455519B true CN102455519B (en) | 2016-11-23 |
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| CN2011102187201A Pending CN102610170A (en) | 2010-10-14 | 2011-08-01 | Stacked LED display screen and stereoscopic display based on LED technology |
| CN201610294074.XA Active CN105845038B (en) | 2010-10-14 | 2011-08-01 | A kind of colorful light-emitting diode display |
| CN201110218745.1A Active CN102455519B (en) | 2010-10-14 | 2011-08-01 | LED aerial projection display |
| CN201610294101.3A Active CN105845039B (en) | 2010-10-14 | 2011-08-01 | Multilayer gapless LED display |
| CN201110218690.4A Active CN102456295B (en) | 2010-10-14 | 2011-08-01 | Interlayer light-emitting diode display |
| CN201110218702.3A Active CN102456296B (en) | 2010-10-14 | 2011-08-01 | LED stereoscopic display screen |
| CN201610279164.1A Active CN105825780B (en) | 2010-10-14 | 2011-08-01 | Aerial stereo imaging system for three-dimensional light-emitting diode display |
| CN201610279179.8A Active CN105825781B (en) | 2010-10-14 | 2011-08-01 | LED array embedded LED substrate is laminated |
| CN201110218741.3A Active CN102456297B (en) | 2010-10-14 | 2011-08-01 | Stacking LED display and the three-dimensional display based on LED technology |
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| CN201610294074.XA Active CN105845038B (en) | 2010-10-14 | 2011-08-01 | A kind of colorful light-emitting diode display |
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| CN201110218690.4A Active CN102456295B (en) | 2010-10-14 | 2011-08-01 | Interlayer light-emitting diode display |
| CN201110218702.3A Active CN102456296B (en) | 2010-10-14 | 2011-08-01 | LED stereoscopic display screen |
| CN201610279164.1A Active CN105825780B (en) | 2010-10-14 | 2011-08-01 | Aerial stereo imaging system for three-dimensional light-emitting diode display |
| CN201610279179.8A Active CN105825781B (en) | 2010-10-14 | 2011-08-01 | LED array embedded LED substrate is laminated |
| CN201110218741.3A Active CN102456297B (en) | 2010-10-14 | 2011-08-01 | Stacking LED display and the three-dimensional display based on LED technology |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102456296B (en) | 2016-05-25 |
| CN102455519A (en) | 2012-05-16 |
| CN105845039B (en) | 2018-12-21 |
| CN105825780B (en) | 2018-12-21 |
| CN102456297A (en) | 2012-05-16 |
| CN105825780A (en) | 2016-08-03 |
| CN102610170A (en) | 2012-07-25 |
| CN105845038A (en) | 2016-08-10 |
| CN105845039A (en) | 2016-08-10 |
| CN105825781A (en) | 2016-08-03 |
| CN102456295A (en) | 2012-05-16 |
| CN102456297B (en) | 2016-07-06 |
| CN102456296A (en) | 2012-05-16 |
| CN105845038B (en) | 2018-12-21 |
| CN102456295B (en) | 2016-06-22 |
| CN105825781B (en) | 2019-05-21 |
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