CN102456297A - Laminated light-emitting diode (LED) display screen and LED-technology-based stereoscopic display - Google Patents

Laminated light-emitting diode (LED) display screen and LED-technology-based stereoscopic display Download PDF

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Publication number
CN102456297A
CN102456297A CN2011102187413A CN201110218741A CN102456297A CN 102456297 A CN102456297 A CN 102456297A CN 2011102187413 A CN2011102187413 A CN 2011102187413A CN 201110218741 A CN201110218741 A CN 201110218741A CN 102456297 A CN102456297 A CN 102456297A
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led
subarray
display
range
submounts
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CN102456297B (en
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孙倩倩
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Shanghai Kedou Electronic Technology Co Ltd
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Priority to CN201610279179.8A priority Critical patent/CN105825781B/en
Priority to CN201610279164.1A priority patent/CN105825780B/en
Priority to CN201110218741.3A priority patent/CN102456297B/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/33Indicating 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20Optical 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
    • G02B30/26Optical 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
    • G02B30/27Optical 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

The invention discloses a laminated light-emitting diode (LED) display screen and an LED-technology-based stereoscopic display, which relate to the display field. The laminated LED display screen comprises an LED display array, wherein the LED display array comprises at least two groups of LED display sub-arrays; and a first LED display sub-array and a second LED display sub-array are arranged on a front layer and a back layer. The number of LED components arranged in the same thickness can be effectively decreased, and difficulty in production can be effectively reduced. An LED display array of the stereoscopic LED display comprises at least two groups of LED display sub-arrays, wherein a first LED display sub-array and a second LED display sub-array are arranged on an upper layer and a lower layer. The stereoscopic LED display further comprises an LED substrate, wherein the LED display sub-arrays are arranged on the LED substrate which is made from a transparent material; and a transparent part is arranged on the periphery of the LED substrate. The LED components of the LED display array simultaneously have three dimensions, and can display stereoscopic pictures.

Description

Range upon range of LED display and based on the three-dimensional display of LED technology
Technical field
The present invention relates to electronic applications, be specifically related to the demonstration field.
Background technology
Display screen has brought a lot of convenience for people's live and work.Existing display screen has display screen, LCDs, LED display, the plasma panel of cathode-ray tube (CRT) (Cathode Ray Tube).LED display has advantages such as cost is low, the life-span is long, color is good, response speed is fast in above-mentioned display screen, but the mechanism of LED display itself also comes with some shortcomings with production technology now, therefore can not meet the need of market.To such an extent as to having the LED display of various good characteristics can not obtain to popularize so far on market.
In addition, people's stereo shows more and more stronger demand.The stereo display technique of present stage mainly also need be worn anaglyph spectacles.Bore hole 3D technology, still very immature.
Summary of the invention
The object of the present invention is to provide a kind of range upon range of LED display, to solve the problems of the technologies described above.
The present invention also aims to provide a kind of three-dimensional light-emitting diode display, to solve the problems of the technologies described above.
The present invention also aims to provide a kind of LED is shown that subarray is embedded in the method in the said LED substrate.
The present invention also aims to provide a kind of aerial stereo imaging system based on range upon range of LED display.
The present invention can adopt following technical scheme to realize:
Range upon range of LED display comprises the LED array of display, it is characterized in that, said LED array of display comprises that at least two group LED show subarray, and promptly a LED shows that subarray, the 2nd LED show subarray;
A said LED shows that subarray and the 2nd LED show that subarray is divided into the two-layer arrangement in front and back, obviously also can be the mode of being arranged above and below.
The LED array of display is divided into the tandem LED of at least two groups shows that subarray can effectively reduce the LED arrangement of elements quantity on the same thickness (or height), can effectively reduce the production difficulty.
Show that at LED the subarray number of plies is more, and when LED shown that subarray is controlled respectively, can realize three-dimensional imaging.
A said LED shows that the color of the LED that subarray adopted and said the 2nd LED show that the color of the LED that subarray adopted is inconsistent, produce so that the LED element is controlled and is convenient to.
Said LED array of display comprises that three groups of LED show subarray; Promptly a LED shows that subarray, the 2nd LED show that subarray, the 3rd LED show subarray, and a said LED shows that subarray, the 2nd LED show that subarray, the 3rd LED show that subarray is divided into three layers of arrangement from A-P.So that further reduce the production difficulty.
A said LED shows that subarray, the 2nd LED show that subarray, the 3rd LED show subarray, adopt the LED element of the different color in the three primary colours respectively.So that the abundant picture of display color.
The LED element of the different color in the three primary colours can be a red, green, blue three-color LED element.Also can be to utilize other forms of three primary colours, adopt the LED element that constitutes other forms of three primary colours.
Said range upon range of LED display also comprises a LED substrate, and said LED array of display is arranged on the said LED substrate.
In the practical implementation can be:
Said LED substrate two sides is respectively equipped with the electrode group, is respectively front electrode group and reverse side electrode group; Contain at least two front electrodes in the said front electrode group, contain at least two reverse side electrodes in the said reverse side electrode group; LED element in the said LED array of display connects front electrode and reverse side electrode respectively.
Said LED substrate is a transparency carrier, and preferred plastic, transparent substrate is such as PVC transparent plastic sheet, polymethylmethacrylate (PMMA) sheet, polystyrene (PS) sheet, polycarbonate (PC) sheet, transparent polyamide sheet, poly(4-methyl-1-pentene) (TPX) sheet etc.
Adopt the plastic, transparent substrate, be more prone to perforation, be convenient to LED component lead or pin and pass the electrode that said LED substrate connects another side with respect to glass plate.
Said LED substrate is flexible plastic, transparent substrate.So that make said LED substrate have flexibility, can bend.
Said electrodes use transparency electrode perhaps adopts tinsel, such as filamentary silver, copper wire etc.To guarantee display quality.The transparency electrode of transparency electrode preferred flexible.
Contain at least three front electrodes in the said front electrode group, at least three front electrodes are arranged in said LED substrate front side, and not staggered; Contain at least three reverse side electrodes in the said reverse side electrode group, at least three reverse side electrodes are arranged in said LED substrate reverse side, and not staggered; In said front electrode group and the said reverse side electrode group, at least two strip electrodes exist staggered in the longitudinal direction.
Through making front electrode group and reverse side electrode group staggered, produce intersection point, so that connect the LED element at the intersection point place.Through producing a large amount of intersection points, be convenient to connect a large amount of LED elements.
Contain at least three front electrodes in the said front electrode group, at least three front electrode parallel arrangements are in said LED substrate front side; Contain at least three reverse side electrodes in the said reverse side electrode group, at least three reverse side electrode parallel arrangements are at said LED substrate reverse side; Said front electrode and said reverse side electrode exist staggered in the longitudinal direction.
Through parallel arrangement front electrode and reverse side electrode, make arranging rule, be convenient to design, production and software design.
Said LED substrate is provided with a through hole, and said LED element one end connects the electrode of one side, and the other end of said LED element connects the electrode of another side through said through hole.
In the practical implementation can also be:
Said LED substrate comprises two-layer at least LED submounts, promptly comprises a LED submounts, the 2nd LED submounts at least; Arrange before and after a said LED submounts and said the 2nd LED submounts; A said LED submounts adopts transparent material; A said LED shows that subarray is arranged on the said LED submounts, and said the 2nd LED shows that subarray is arranged on said the 2nd LED submounts.Show that through LED subarray is provided with the LED submounts as carrier, further reduce the production difficulty, and allow to increase LED arrangement of elements density, to increase pixel for the LED array of display.
Said LED substrate comprises three layers of LED submounts; Promptly comprise a tandem LED submounts, the 2nd LED submounts, the 3rd LED submounts; A said LED submounts, the 2nd LED submounts adopt transparent material respectively, are loaded with a said LED on a said LED submounts, the 2nd LED submounts, the 3rd LED submounts respectively and show that subarray, the 2nd LED show that subarray, the 3rd LED show subarray.When reducing the production difficulty, allowing to increase LED arrangement of elements density, so that the abundant picture of display color.
The place ahead of a said LED submounts also is covered with a transparent protective layer, so that protect a LED to show subarray.
LED element in the said LED array of display adopts the adopting surface mounted LED element, perhaps directly adopts the LED wafer.So that dwindle the shared area of LED element itself.
The place ahead that is positioned at the said LED submounts at relative rear is furnished with rear electrode (conducting wire); The rear that is positioned at the said LED submounts in relative the place ahead is furnished with preceding electrode (conducting wire); Arrange before and after two pins of said LED element, insert said rear electrode and preceding electrode respectively.On the protective layer preceding electrode can be set.Preceding electrode and rear electrode constitute array of controls, and externally the luminous situation of each LED element is descended and then controlled in the control of control circuit, thereby realize the control to imaging pixel.Help simplifying the production technology of array of controls like this.
Electrodes use transparency electrode before said is so that form better display effect.
Rear electrode at least two said LED submounts adopts transparency electrode, so that form better display effect.Rear electrode on last said LED submounts can not adopt transparency electrode.
A pin of said LED element is fixedly attached in rear electrode or the preceding electrode, on another before another pin is pressed together in electrode or the rear electrode.To simplify production technology.
At least one is the rubber-like pin in two pins of said LED element, so that keep well contacting with the rear electrode or the preceding electrode of pressing through elasticity.
Perhaps carry out the rear electrode of pressing or the transparency electrode that preceding electrodes use has flexibility, so that well contact with the pin of said LED element in the pressing process with said pin.
The LED submounts place in said LED element the place ahead is provided with one and has the astigmatic piece that astigmatism acts on, and all uses thereby the light that said LED element is launched is soft.
The area of said astigmatic piece is greater than the longitudinal section area of said LED element, so that the area of single pixel is bigger, and then improves display effect.
The part uneven surface that said astigmatic piece can be the LED submounts also can be preceding electrode or a rear electrode coarse on the LED submounts.
The LED submounts can adopt flexible transparent material, has flexible range upon range of LED display with generation.In order to adapt to flexible demand, the electrode that connects the LED element in the LED array of display can adopt tinsel, such as filamentary silver, copper wire etc.
In the concrete design can: said LED substrate comprises three layers of LED submounts; Promptly comprise a tandem LED submounts, the 2nd LED submounts, the 3rd LED submounts; A said LED submounts, the 2nd LED submounts adopt transparent material respectively, are loaded with a said LED on a said LED submounts, the 2nd LED submounts, the 3rd LED submounts respectively and show that subarray, the 2nd LED show that subarray, the 3rd LED show subarray;
A said LED shows that subarray, the 2nd LED show that subarray, the 3rd LED show subarray, adopt the LED element of the different color in the three primary colours respectively, and the LED element color of respectively organizing in the LED demonstration subarray is consistent;
The place ahead of a said LED submounts also is covered with a transparent protective layer;
The place ahead that is positioned at the said LED submounts at relative rear is furnished with rear electrode; The rear that is positioned at the said LED submounts in relative the place ahead is furnished with preceding electrode; Arrange before and after two pins of said LED element; Insert said rear electrode and preceding electrode respectively, the rear of said protective layer also is provided with preceding electrode, and preceding electrode and rear electrode constitute array of controls;
Rear electrode on the one LED submounts, the 2nd LED submounts adopts transparency electrode; Preceding electrodes use transparency electrode on a said LED submounts, the 2nd LED submounts, the protective layer;
A pin of said LED element is fixedly attached on one of them electrode in rear electrode or the preceding electrode, on another electrode before another pin is crimped in electrode or the rear electrode.
All right, said LED shows that subarray is embedded in the said LED substrate.
Said LED substrate peripheral can be cylindricality, sphere, polygon or other shapes.
LED is shown that subarray is embedded in the method in the said LED substrate, it is characterized in that said LED submounts adopts the transparent thermosets that does not carry out heat curing as yet;
Earlier each said LED is shown that subarray is arranged on the said LED submounts of each layer, then the said LED submounts of each layer stacked, put into mould and heat, carry out heat curing.And then obtain LED and show that subarray is embedded in the range upon range of LED display in the said LED substrate.Also can consider the curing materials or the curing mode of other cured form, such as photocuring.
Three-dimensional light-emitting diode display comprises the LED array of display, it is characterized in that, said LED array of display comprises that at least two group LED show subarray, and promptly a LED shows that subarray, the 2nd LED show subarray; A said LED shows that subarray and the 2nd LED show that subarray is divided into two-layer arrangement up and down;
Also comprise a LED substrate, said LED shows that subarray is arranged on the said LED substrate, and said LED substrate adopts transparent material.Because showing between subarray and the 2nd LED demonstration subarray, a LED has distance, so can show stereo-picture.
The LED substrate periphery is provided with transparent part.So that watch the inner image of three-dimensional light-emitting diode display from the side.
Can be regarded as is with range upon range of the keeping flat of a plurality of said range upon range of LED displays.Because the LED submounts adopts transparent material, so when watching, can see the two-layer at least luminous LED element that is arranged above and below through the side.The array that the LED element constitutes has height, width and the degree of depth simultaneously, promptly possesses three dimensions, can show stereoscopic picture plane.And the stereoscopic picture plane that is shown is the stereoscopic picture plane that the luminous point by reality constitutes, and is not the stereoscopic picture plane that forms through persistence of vision, realistic strong, advantage such as the visual angle is big.All allow to see stereoscopic picture plane through each angle that has light to appear.
Said LED substrate comprises two-layer at least LED submounts, promptly comprises a LED submounts, the 2nd LED submounts at least; A said LED submounts and said the 2nd LED submounts are arranged above and below; A said LED submounts adopts transparent material, and a said LED shows that subarray is arranged on the said LED submounts, and said the 2nd LED submounts adopts transparent material, and said the 2nd LED shows that subarray is arranged on said the 2nd LED submounts.
Can pass through no shadow glue between said each layer LED submounts, the glue that perhaps other light transmissions are good bonds, to improve display quality.
Three LED show the adjacent arrangement of subarray, and adopt the LED element of the different color in the three primary colours respectively, constitute a LED and show group of subarrays; At least two LED show that group of subarrays is arranged above and below.Formation can show the three-dimensional light-emitting diode display of various rich colors.
External unit is through controlling the situation of the lighting acquisition stereopsis that each LED shows each the LED element in the subarray respectively.
All right, said LED shows that subarray is embedded in the said LED substrate.Can adopt in the manufacturing described LED to be shown that subarray is embedded in the method in the said LED substrate, obtain LED and show that subarray is embedded in the three-dimensional light-emitting diode display in the said LED substrate.
Said LED substrate peripheral can be cylindricality, sphere, polygon or other shapes.
The electrode that connects the pin of said LED element in the said LED array of display can adopt transparency electrode, also can adopt tinsel, such as copper wire, filamentary silver etc.Tinsel should be thin in order to avoid influence vision.
Aerial stereo imaging system based on range upon range of LED display; Comprise an air-borne imagery system, said air-borne imagery system comprises a picture light source, comprises that also one will form the photoimaging system of picture from the light as light source aloft; It is characterized in that said picture light source adopts range upon range of LED display.Preferred said three-dimensional light-emitting diode display.
Said photoimaging system comprises that one will converge optical device from what said light as light source converged; Said three-dimensional light-emitting diode display and the said surface combination that converges optical device, the stereopsis that said three-dimensional light-emitting diode display produces are positioned at the said imaging region that optical device is confirmed that converges.
Through with three-dimensional light-emitting diode display and the surface combination that converges optical device, reduce light refraction and reflection, and then can improve image quality, also can avoid in addition between the device because the external force dislocation as far as possible.
The said optical device that converges adopts a concave surface to converge device, and said three-dimensional light-emitting diode display is positioned at the concave surface that said concave surface converges device.And it is corresponding that the peripheral structure of three-dimensional light-emitting diode display and said concave surface converge the device inside surface, and both combine closely.The viewing area of said three-dimensional light-emitting diode display is positioned at said concave surface and converges near the device axis.So that form the aerial preferably space image of image quality.
The said optical device that converges adopts two concave surfaces to converge device, and two said concave surfaces converge device and fasten relatively, and said light-emitting diode display converges between the device at two said concave surfaces; Wherein at least one said concave surface converges the device bottom and is provided with the printing opacity mouth, so that beam projecting forms picture aloft.
The said optical device that converges adopts a plus lens, and said three-dimensional light-emitting diode display is positioned at said plus lens one side, and said plus lens Direct Production is on said three-dimensional light-emitting diode display.So that form the aerial preferably space image of image quality.
Said photoimaging system can also comprise that a cabinet and is positioned at the spectroscope group of cabinet top for an aerial imaging suspension system based on the spectroscope imaging, and said light-emitting diode display is arranged in the said cabinet of said spectroscope group below, as the picture light source.
Description of drawings
Fig. 1 is a kind of STRUCTURE DECOMPOSITION synoptic diagram of range upon range of LED display.
Fig. 2 is the part-structure decomposing schematic representation of three-dimensional light-emitting diode display.
Fig. 3 is the one-piece construction synoptic diagram of three-dimensional light-emitting diode display.
Fig. 4 is the part-structure synoptic diagram based on the aerial stereo imaging system of range upon range of LED display.
Fig. 5 is respectively equipped with the STRUCTURE DECOMPOSITION synoptic diagram of electrode group for range upon range of LED display LED substrate two sides.
Embodiment
Technological means, the creation characteristic of realizing for the present invention, reach purpose and be easy to understand understanding,, further set forth the present invention below in conjunction with concrete diagram with effect.
With reference to Fig. 1, range upon range of LED display comprises the LED array of display, and the LED array of display comprises that at least two group LED show subarray, and promptly a LED shows that subarray 11, the 2nd LED show subarray 12.The one LED shows that subarray 11 and the 2nd LED show that subarray 12 is divided into the two-layer arrangement in front and back, obviously also can be the mode of being arranged above and below.The LED array of display is divided into the tandem LED of at least two groups shows that subarray can effectively reduce the LED arrangement of elements quantity on the same thickness (or height), can effectively reduce the production difficulty.Can also let LED show that subarray is embedded in the LED substrate.The LED substrate peripheral can be cylindricality, sphere, polygon or other shapes.
LED element in the LED array of display adopts the adopting surface mounted LED element, perhaps directly adopts the LED wafer.So that dwindle the shared area of LED element itself.The one LED shows that the color of the LED element that subarray 11 is adopted and the 2nd LED show that the color of the LED element that subarray 12 is adopted is inconsistent.This design can be so that LED element control and be convenient to produce.
In order to produce abundant colors, the LED array of display can adopt three groups of LED to show subarray in the actual production, promptly shows that from a LED of A-P hierarchal arrangement subarray 11, the 2nd LED show that subarray 12, the 3rd LED show subarray 13.The one LED shows that subarray 11, the 2nd LED show that subarray 12, the 3rd LED show subarray 13, adopts the LED element of the different color in the three primary colours respectively, and each is organized LED and shows that the LED element color in the subarray is preferably consistent.So that the abundant picture of display color.The LED element of the different color in the three primary colours can be a red, green, blue three-color LED element.Also can be to utilize other forms of three primary colours, adopt the LED element that constitutes other forms of three primary colours.
Range upon range of LED display also comprises the LED substrate, and the LED array of display is arranged on the LED substrate.
In the practical implementation can be:
With reference to Fig. 5, LED substrate 102 two sides are respectively equipped with the electrode group, are respectively front electrode group 103 and reverse side electrode group 104.Contain at least two front electrodes in the front electrode group 103, contain at least two reverse side electrodes in the reverse side electrode group.LED element in the LED array of display connects front electrode and reverse side electrode respectively.
Accurately control the situation of lighting of each LED element through the electromotive force situation of control front electrode and reverse side electrode.Through the electrode group being arranged on LED substrate 102 two sides, avoid two arrays of electrodes because of occurring the situation of staggered short circuit when the forming array, thereby in reducing design and producing, the electrode group difficulty of arranging.Be placed with the LED element that adopts the different color in the three primary colours on the LED substrate 102.So that demonstration different color.
LED substrate 102 can adopt transparency carrier; Preferred plastic, transparent substrate is such as PVC transparent plastic sheet, polymethylmethacrylate (PMMA) sheet, polystyrene (PS) sheet, polycarbonate (PC) sheet, transparent polyamide sheet, poly(4-methyl-1-pentene) (TPX) sheet etc.Adopt the plastic, transparent substrate, be more prone to perforation, be convenient to LED component lead or pin and pass the electrode that said LED substrate 102 connects another side with respect to glass plate.
Further, the plastic, transparent substrate of LED substrate 102 preferred flexible so that make said LED substrate have flexibility, can bend.The electrodes use transparency electrode perhaps adopts tinsel, such as filamentary silver, copper wire etc., to guarantee display quality.The transparency electrode of transparency electrode preferred flexible.
Contain at least three front electrodes in the front electrode group 103, at least three front electrodes are arranged in LED substrate 102 fronts, and not staggered.Contain at least three reverse side electrodes in the reverse side electrode group 104, at least three reverse side electrodes are arranged in LED substrate 102 reverse side, and not staggered.In front electrode group 103 and the reverse side electrode group 104, at least two strip electrodes exist staggered in the longitudinal direction.Through making front electrode group 103 staggered, produce intersection point, so that connect the LED element at the intersection point place with reverse side electrode group 104.Through producing a large amount of intersection points, be convenient to connect a large amount of LED elements.Through making front electrode group 103 and reverse side electrode group 104 staggered but do not contact.
Further again, contain at least three front electrodes in the front electrode group 103, at least three front electrode parallel arrangements are in said LED substrate 102 fronts.Contain at least three reverse side electrodes in the reverse side electrode group 104, at least three reverse side electrode parallel arrangements are at LED substrate 102 reverse side.Front electrode and reverse side electrode exist staggered in the longitudinal direction.Through the parallel arrangement front electrode, and the reverse side electrode, make arranging rule, be convenient to design, production and software design.
Can be, LED substrate 102 be provided with a through hole, and the reverse side electrode extends to LED substrate 102 fronts through through hole, and forms tie point.The LED element is positioned at LED substrate 102 fronts, connects front electrode and tie point respectively.
All right, LED substrate 102 is provided with a through hole, and front electrode extends to LED substrate 102 reverse side through through hole, and forms tie point.The LED element is positioned at LED substrate 102 reverse side, connects reverse side electrode and tie point respectively.LED substrate 102 is provided with bloomings such as diffusion barrier.The LED element is positioned at LED substrate 102 reverse side, and the light that is sent is through being received by human eye behind the blooming, to form the picture than good quality.
All right, LED substrate 102 is provided with a through hole, and LED element one end connects the electrode of one side, and the other end of said LED element passes the electrode that said through hole connects another side.Can take a through hole alone by a LED element, also can be that 2~4 LED elements take a through hole jointly.
All right, LED substrate 102 is provided with a through hole, and the LED element is embedded in the through hole, and the two ends of LED element connect the double-edged electrode of LED substrate respectively.
Also comprise at least one protective layer, protective layer covers LED substrate 102 fronts, with protection LED substrate 102 and LED element.
Design for protective layer can have following scheme:
(1) protective layer can adopt flexible plastic sheet, so that make the dot matrix LED display have flexibility.
(2) LED substrate 102 pro and con are coated with the flexible transparent plastic plate respectively.Make tow sides can appreciate display frame.
(3) protective layer can adopt the hard transparent plate, like hard plastic board or glass plate.So that LED substrate 102 and LED element are fixed, make the dot matrix LED display keep definite shape, and play a good protection.
(4) LED substrate 102 pro and con are coated with the hard transparent plate respectively.Make tow sides can appreciate display frame.
In the practical implementation can also be:
With reference to Fig. 1, the LED substrate comprises two-layer at least LED submounts, promptly comprises a LED submounts 21, the 2nd LED submounts 22 at least.Arrange the one LED submounts 21 and the 2nd LED submounts 22 front and back, and a LED submounts 21 adopts transparent material.The one LED shows that subarray 11 is arranged on the LED submounts 21, and the 2nd LED shows that subarray 12 is arranged on the 2nd LED submounts 22.Show that through LED subarray is provided with the LED submounts as carrier, further reduce the production difficulty, and allow to increase LED arrangement of elements density, to increase pixel for the LED array of display.
In order to produce abundant colors, in the actual production, the LED substrate can adopt three layers of LED submounts, a promptly tandem LED submounts 21, the 2nd LED submounts 22, the 3rd LED submounts 23.The one LED submounts 21, the 2nd LED submounts 22 adopt transparent material respectively.Be loaded with a LED respectively on the one LED submounts 21, the 2nd LED submounts 22, the 3rd LED submounts 23 and show that subarray 11, the 2nd LED show that subarray 12, the 3rd LED show subarray 13.The place ahead of the one LED submounts 21 also is covered with a transparent protective layer 3, so that protect a LED to show subarray 11.When reducing the production difficulty, allowing to increase LED arrangement of elements density, so that the abundant picture of display color.
The place ahead that is positioned at the LED submounts at relative rear is furnished with rear electrode 41 (conducting wire), and the rear that is positioned at the LED submounts in relative the place ahead is furnished with preceding electrode 42 (conducting wire).Arrange before and after two pins of LED element, insert rear electrode and preceding electrode respectively.Electrode 42 before can being provided with on the protective layer.Before electrode 42 constitute array of controls with rear electrode 41, externally the control of control circuit down and then control the luminous situation of each LED element, thereby realize control to imaging pixel.Help simplifying the production technology of array of controls like this.Before electrode 42 all adopt transparency electrode, the rear electrode on a LED submounts 11, the 2nd LED submounts 12 adopts transparency electrode, so that form better display effect.Rear electrode 41 on the 3rd LED submounts 23 can not adopt transparency electrode.
In order further to reduce the production difficulty, a pin of LED element is fixedly attached to rear electrode 41 (or preceding electrode), and another pin is crimped on preceding electrode 42 (or rear electrode), to simplify production technology.In order to guarantee good electrical contact, at least one is the rubber-like pin in two pins of LED element, so that keep well contacting with the rear electrode 41 or the preceding electrode 42 of pressing through elasticity.The rear electrode or the preceding electrodes use of perhaps carrying out pressing with the pin of LED element have flexible or flexible transparency electrode, so that well contact with the pin of LED element in the pressing process.
The LED submounts can adopt flexible transparent material, has flexible range upon range of LED display with generation.In order to adapt to flexible demand, the electrode that connects the LED element in the LED array of display can adopt tinsel, such as filamentary silver, copper wire etc.
The LED submounts place in LED element the place ahead is provided with the astigmatic piece 51 with astigmatism effect, all uses thereby the light that the LED element is launched is soft.The area of astigmatism piece 51 so that the area of single pixel is bigger, and then improves display effect greater than the longitudinal section area of LED element.Astigmatism piece 51 can be the part uneven surface that the LED submounts produces, and also can be the uneven surface that produces on preceding electrode or the rear electrode on the LED submounts.
LED element in tandem each LED demonstration subarray can overlappingly be arranged, and also can misplace and arrange.When the LED element can overlappingly be arranged, the area of astigmatic piece 51 was greater than the longitudinal section area of LED element, and the light that the LED element that can effectively avoid the place ahead produces the LED element at rear causes and blocks.Astigmatic in addition piece 51 can play the effect that three primary colours are mixed.The area of astigmatism piece 51 can be that area progressively increases from front to back, blocks avoiding.The area of astigmatism piece 51 can be that area progressively reduces from front to back, with promotion three primary colours is mixed.
LED is shown that the method that subarray is embedded in the said LED substrate is, the LED submounts adopts the thermosets that does not carry out heat curing as yet.This thermosets should be transparent material after being provided with through heat curing.Earlier each LED is shown that subarray is arranged on each layer LED submounts, then each layer LED submounts is stacked, put into mould and heat, carry out heat curing.And then obtain LED and show that subarray is embedded in the range upon range of LED display in the LED substrate.So the slit between the LED submounts of LED substrate can reduce, even disappears.Also can consider the curing materials or the curing mode of other cured form, such as photocuring.
With reference to Fig. 2, three-dimensional light-emitting diode display comprises the LED array of display, and the LED array of display comprises that at least two group LED show subarray, and promptly a LED shows that subarray 11, the 2nd LED show subarray 12.The one LED shows that subarray 11 and the 2nd LED show that subarray 12 is divided into two-layer arrangement up and down.Also comprise a LED substrate, LED shows that subarray is arranged in (or interior) on the LED substrate, and the LED substrate adopts transparent material.
With reference to Fig. 3, it is with range upon range of the keeping flat of a plurality of range upon range of LED displays that three-dimensional light-emitting diode display can be regarded as.Because the LED submounts adopts transparent material, so when watching, can see the two-layer at least luminous LED element that is arranged above and below through the side.The array that the LED element constitutes has height, width and the degree of depth simultaneously, promptly possesses three dimensions, can show stereoscopic picture plane 6.And the stereoscopic picture plane 6 that is shown is stereoscopic picture planes 6 that the luminous point by reality constitutes, and is not the stereoscopic picture plane that forms through persistence of vision, realistic strong, advantage such as the visual angle is big.All allow to see stereoscopic picture plane 6 through each angle that has light to appear.
The concrete structure of three-dimensional light-emitting diode display is further with reference to Fig. 2, and the LED substrate comprises two-layer at least LED submounts, promptly comprises a LED submounts 21, the 2nd LED submounts 22 at least.The one LED submounts 21 and the 2nd LED submounts 22 are arranged above and below.The one LED submounts 21 adopts transparent material, and a LED shows that subarray 11 is arranged on the LED submounts 21, and the 2nd LED submounts 22 adopts transparent material.Because showing between subarray 11 and the 2nd LED demonstration subarray 12, a LED has distance, so can show stereo-picture.
The LED substrate periphery is provided with transparent part.So that watch the inner image of three-dimensional light-emitting diode display from the side.The 2nd LED shows that subarray 12 is arranged on the 2nd LED submounts 22.Can pass through no shadow glue between each layer LED submounts, the glue that perhaps other light transmissions are good bonds, to improve display quality.
Three LED show the adjacent arrangement of subarray, and adopt the LED element of the different color in the three primary colours respectively, constitute a LED and show group of subarrays.At least two LED show that group of subarrays is arranged above and below, and formation can show the three-dimensional light-emitting diode display of various rich colors.External accessory is through controlling the situation of the lighting acquisition stereopsis that each LED shows each the LED element in the subarray respectively.
All right, LED shows that subarray is embedded in the LED substrate.Can adopt in the manufacturing when producing range upon range of LED display, the subarray that LED is shown that is adopted is embedded in the method in the said LED substrate, obtains LED and shows that subarray is embedded in the three-dimensional light-emitting diode display in the said LED substrate.The LED substrate peripheral can be cylindricality, sphere, polygon or other shapes.The electrode that connects the pin of LED element in the LED array of display can adopt transparency electrode, also can adopt tinsel, such as copper wire, filamentary silver etc.Tinsel should be thin in order to avoid influence vision.
With reference to Fig. 4, based on the aerial stereo imaging system of range upon range of LED display, comprise an air-borne imagery system, the air-borne imagery system comprises a picture light source, comprises that also one will form the photoimaging system of picture from the light as light source aloft.Adopt range upon range of LED display as light source.Preferred three-dimensional light-emitting diode display 7.The photoimaging system comprise one will converge from light as light source converge optical device 8; Three-dimensional light-emitting diode display 7 is combined closely with the surface of converging optical device 8; The stereopsis 71 that three-dimensional light-emitting diode display 7 produces is positioned at and converges optical device 8 determined imaging regions; With as as light source, stereopsis 71 is presented in the air.Through being combined closely in three-dimensional light-emitting diode display 7 and the surface of converging optical device 8, reduce light refraction and reflection, and then can improve image quality, also can avoid in addition between the device because the external force dislocation as far as possible.
Converge optical device 8 among Fig. 4 and adopt a concave surface to converge device, three-dimensional light-emitting diode display 7 is positioned at the concave surface that concave surface converges device.And it is corresponding that the peripheral structure of three-dimensional light-emitting diode display 7 and concave surface converge the device inside surface, and both combine closely.The viewing area of three-dimensional light-emitting diode display 7 is positioned at concave surface and converges near the device axis.So that form the aerial preferably space image of image quality.
In concrete the use, converge optical device 8 and can adopt two concave surfaces to converge device, two concave surfaces converge device and fasten relatively, and light-emitting diode display converges between the device at two said concave surfaces.Wherein at least one said concave surface converges the device bottom and is provided with the printing opacity mouth, so that beam projecting forms picture aloft.
Converge optical device 8 and can also adopt a plus lens, three-dimensional light-emitting diode display 7 is positioned at plus lens one side, and the plus lens Direct Production is on three-dimensional light-emitting diode display 7.So that form the aerial preferably space image of image quality.
The photoimaging system can also comprise that a cabinet and is positioned at the spectroscope group of cabinet top for an aerial imaging suspension system based on spectroscope imaging, and said light-emitting diode display is arranged in the said cabinet of said spectroscope group below, as the picture light source.
Existing aerial imaging suspension system based on spectroscope imaging generally is made up of cabinet, spectroscope group, shot-light, video playback apparatus; Based on the spectroscope image-forming principle; Through the product real scene shooting being made up the special processing of three-dimensional model; March into the arena the product image of taking or the stack of product three-dimensional model image in the scape then, constituted the product demonstration system of being association of activity and inertia.Finally show the product model phantom imaging effect that incorporates outdoor scene to spectators.
Among the present invention, can shot-light be omitted, change video playback apparatus into light-emitting diode display, and carry out suitable conventional optical system optimization, can realize effect.
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 restriction that the present invention does not receive above-mentioned method of application; That describes in above-mentioned method of application and the instructions just says principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall into and require the interior requirement protection domain of the present invention of the protection scope of the invention to be defined by appending claims and equivalent thereof.

Claims (11)

1. range upon range of LED display comprises the LED array of display, it is characterized in that, said LED array of display comprises that at least two group LED show subarray, and promptly a LED shows that subarray, the 2nd LED show subarray;
A said LED shows that subarray and the 2nd LED show that subarray is divided into the two-layer arrangement in front and back.
2. range upon range of LED display according to claim 1; It is characterized in that: said LED array of display comprises that three groups of LED show subarray; Promptly a LED shows that subarray, the 2nd LED show that subarray, the 3rd LED show subarray, and a said LED shows that subarray, the 2nd LED show that subarray, the 3rd LED show that subarray is divided into three layers of arrangement from A-P;
A said LED shows that subarray, the 2nd LED show that subarray, the 3rd LED show subarray, adopt the LED element of the different color in the three primary colours respectively.
3. range upon range of LED display according to claim 1 is characterized in that: also comprise a LED substrate, said LED array of display is arranged on the said LED substrate.
4. range upon range of LED display according to claim 3 is characterized in that: also comprise a LED substrate, said LED substrate two sides is respectively equipped with the electrode group, is respectively front electrode group and reverse side electrode group; Contain at least two front electrodes in the said front electrode group, contain at least two reverse side electrodes in the said reverse side electrode group; LED element in the said LED array of display connects front electrode and reverse side electrode respectively; Said LED substrate is provided with a through hole, and said LED element one end connects the electrode of one side, and the other end of said LED element connects the electrode of another side through said through hole.
5. range upon range of LED display according to claim 3 is characterized in that: said LED substrate comprises two-layer at least LED submounts, promptly comprises a LED submounts, the 2nd LED submounts at least; Arrange before and after a said LED submounts and said the 2nd LED submounts; A said LED submounts adopts transparent material; A said LED shows that subarray is arranged on the said LED submounts, and said the 2nd LED shows that subarray is arranged on said the 2nd LED submounts; The place ahead that is positioned at the said LED submounts at relative rear is furnished with rear electrode, and the rear that is positioned at the said LED submounts in relative the place ahead is furnished with preceding electrode, arranges before and after two pins of said LED element, inserts said rear electrode and preceding electrode respectively.
6. range upon range of LED display according to claim 5 is characterized in that: a pin of said LED element is fixedly attached in rear electrode or the preceding electrode, on another before another pin is pressed together in electrode or the rear electrode.
7. LED is shown that subarray is embedded in the method in the said LED substrate, it is characterized in that said LED submounts adopts the thermosets that does not carry out heat curing as yet;
Earlier each said LED is shown that subarray is arranged on the said LED submounts of each layer, then the said LED submounts of each layer stacked, put into mould and heat, carry out heat curing.
8. three-dimensional light-emitting diode display comprises the LED array of display, it is characterized in that, said LED array of display comprises that at least two group LED show subarray, and promptly a LED shows that subarray, the 2nd LED show subarray; A said LED shows that subarray and the 2nd LED show that subarray is divided into two-layer arrangement up and down;
Also comprise a LED substrate, said LED shows that subarray is arranged on the said LED substrate, and said LED substrate adopts transparent material, and the LED substrate periphery is provided with transparent part.
9. three-dimensional light-emitting diode display according to claim 8 is characterized in that: three LED show the adjacent arrangement of subarray, and adopt the LED element of the different color in the three primary colours respectively, constitute a LED and show group of subarrays; At least two LED show that group of subarrays is arranged above and below.
10. range upon range of LED display according to claim 1; Aerial stereo imaging system based on range upon range of LED display; Comprise an air-borne imagery system, said air-borne imagery system comprises a picture light source, comprises that also one will form the photoimaging system of picture from the light as light source aloft; It is characterized in that said picture light source adopts said range upon range of LED display; Said photoimaging system comprises that one will converge optical device from what said light as light source converged; Said three-dimensional light-emitting diode display and the said surface combination that converges optical device, the stereopsis that said three-dimensional light-emitting diode display produces are positioned at the said imaging region that optical device is confirmed that converges.
11. the aerial stereo imaging system based on range upon range of LED display according to claim 10 is characterized in that: the said optical device that converges adopts a concave surface to converge device, and said three-dimensional light-emitting diode display is positioned at the concave surface that said concave surface converges device.
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