CN103985317A - Integrated LED (light-emitting diode) three-dimensional display module and LED display screen formed by splicing integrated LED three-dimensional display modules - Google Patents
Integrated LED (light-emitting diode) three-dimensional display module and LED display screen formed by splicing integrated LED three-dimensional display modules Download PDFInfo
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Abstract
The invention relates to an integrated LED (light-emitting diode) three-dimensional display module and an LED display screen formed by splicing the integrated LED three-dimensional display modules. The three-dimensional display module comprises a display module group, a plurality of left-handed polarized bars, a plurality of right-handed polarized bars and a protective layer, wherein the display module group is formed by splicing a plurality of LED display modules; the left-handed polarized bars and the right-handed polarized bars are alternately and fixedly stuck to positions which correspond to LED pixels in odd and even lines or LED pixels in odd and even rows of the display module; the protective layer is attached to the polarized bars; the LED display screen consists of a plurality of display cabinets; each display cabinet consists of multiple integrated LED three-dimensional display modules. According to the integrated LED three-dimensional display module and the LED display screen formed by splicing the integrated LED three-dimensional display modules disclosed by the invention, the polarized bars are fixedly arranged on the LED display module in a sticking manner, so that the bonding strength is high; moreover, a complicated mechanical fixing mechanism is not needed, and therefore, the production cost is reduced; the polarized bars are located in the protective layer, so the humidity resistance, the scratch resistance and the corrosion resistance of the polarized bars are improved.
Description
Technical field
The invention belongs to three-dimensional LED technical field of flat panel display, relate to the LED display that a kind of three-dimensional LED shows module and splicing thereof.
Background technology
Relatively ripe commercial stereo display mode adopts electronic shutter formula and two kinds of forms of polarization projection conventionally at present.Electronic shutter formula 3D show need observer to wear electronic shutter formula anaglyph spectacles, this scheme not only watches cost higher in the time that attendance is more, and due to image left and right two be sharp-eyed speed switch, can cause visual fatigue and spinning sensation.Polarization projection 3D installs respectively left and right rounding polaroid additional before being presented at Liang Tai projector, and image, through merging modulation, can be set up into polarization 3D display system.Spectators are by wearing polaroid glasses, the left and right rounding polaroid corresponding with the left and right rounding polaroid installing additional before two projector is equipped with respectively in the images of left and right eyes position of glasses, make left and right two of beholder can only see respectively the image that a projector is launched, so produce parallax effect, produce 3D stereo display effect.
Above-mentioned polarization-type three-dimensional displaying principle equally also can be applicable in LED stereo display, before strange, the even row (column) of LED display pixel, install left and right rounding polaroid additional respectively, spectators are equipped with respectively the polaroid glasses of left and right rounding polaroid by wearing images of left and right eyes position, watch 3D to show.But before simply left and right rounding polaroid directly being clamped to LED display, need higher mechanical registeration and keep precision, significantly increasing cost.And because polaroid is directly exposed to the external world, the installation of LED display, surface tear and the pollution that method for dismounting very easily causes polaroid at present, thus affect viewing effect.
Summary of the invention
The technical matters that the present invention will solve is to provide a kind of integrated form three-dimensional LED and shows module, adopts that this integrated form three-dimensional LED shows that the assembled 3DLED display screen production technology of module is simple, cost is low, moistureproof, anti-scratch, corrosion resistance be good.
In order to solve the problems of the technologies described above, integrated form three-dimensional LED of the present invention shows that module comprises the demonstration module being spliced by multiple LED display modules, multiple left and right polarisation bar, protective seams of revolving; The described left and right polarisation bar that revolves is alternately adhesively fixed on strange, the even row LED pixel or strange, position corresponding to even column LED pixel that show on module, and protective seam is attached on polarisation bar.
Polarisation bar of the present invention is fixed on LED by bonding method and shows that on module, bonding strength is high, has saved complicated mechanical fixed mechanism, is of value to the reduction of production cost; Polarisation bar, in protective seam, has improved the protection against the tide, anti-scratch of polarisation bar, the performance such as anticorrosive.
The described left and right rotatory polarization bar that polarisation strip adoption degree of polarization is greater than 99% that revolves, the rotatory polarization bar that preferably degree of polarization is greater than 99.9%.
Described protective layer thickness is 0.1-1mm, and polarization effect is little, in the situation that not affecting viewing effect, has improved the protection against the tide, anti-scratch of polarisation bar, the performance such as anticorrosive.
Described protective seam is light transmission protecting film or printing opacity protection glue.
In described demonstration module, each LED wafer is pressed optical property parameter from left to right or the arrangement of gradual change from top to bottom.
Another technical matters that the present invention will solve is to provide a kind of LED display that above-mentioned integrated form three-dimensional LED shows module that comprises.
Above-mentioned LED display is made up of multiple demonstration casings, and each demonstration casing shows that by multiple integrated form three-dimensional LEDs module forms.
In described LED display LED wafer according to optical property parameter from left to right or gradual change from top to bottom arrange.
Described optical property parameter can be chromaticity coordinate, brightness value or spectral characteristic parameter, can also be the weighting sum of chromaticity coordinate and brightness value.
Each link of making due to screen is taking the optical property parameter of luminous point as according to carrying out gradual change sequence and assembling, the optical characteristics of screen adjacent area module approaches and shows as gradual transition very much, be difficult for not looked into not by human eye, thereby improved the homogeneity of screen; Because the basis in early stage is good, can not need follow-up correction maybe to need the difference of correction little, reduce the resource requirement to hardware, reduce production cost, improve production efficiency.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the LED display Facad structure schematic diagram of the method for making embodiment 1 of a kind of integrated LED 3-D display of the present invention module.
Fig. 2 is the LED display side structure schematic diagram of the method for making embodiment 1 of a kind of integrated LED 3-D display of the present invention module.
Fig. 3 is the LED display Facad structure schematic diagram that comprises the module of integrated LED 3-D display shown in Fig. 1,2 of the present invention.
Fig. 4 is the LED display Facad structure schematic diagram of the method for making embodiment 2LED of a kind of integrated LED 3-D display of the present invention module.
Fig. 5 is the LED display side structure schematic diagram of the method for making embodiment 2 of a kind of integrated LED 3-D display of the present invention module.
Fig. 6 is the LED display Facad structure schematic diagram that comprises the module of integrated LED 3-D display shown in Fig. 4,5 of the present invention.
Embodiment
The method for making of integrated LED 3-D display module of the present invention is as follows:
1) carry out respectively the gradual change sequence of red, green, blue three-primary color LED wafer by optical property parameter; Then carry out encapsulation and the sequence of die bond, bonding wire and display module according to the sequencing information of three-primary color LED wafer;
2), after above-mentioned display module completes, according to the specification of each display module and sequence number, each display module is spliced into multiple demonstration modules and each demonstration module is carried out to optical property parameter gradual change sequence;
3) left and right rounding polarisation bar (also can adopt left and right spin line polarization bar) is pasted on shows that module is strange respectively according to alternating sequence, the position that even row (column) is corresponding; Pasting on the left and right demonstration module that revolves polarisation bar bonding protective film or embedding printing opacity protection glue as protective seam, the height of printing opacity protection glue upper surface, a little more than the upper surface of polarisation bar, forms integrated LED 3-D display module.
The above-mentioned 3-D display module completing is carried out to gradual change sequence by optical property parameter, then the 3-D display module of some is assembled into multiple demonstration casings by sequence number, simultaneously to showing that casing carries out gradual change sequence by optical property parameter; Finally each is shown to casing is according to the sequence number composition LED display that stitchs together.
Embodiment 1
As shown in Figure 1, 2, integrated LED 3-D display module of the present invention comprises 3X3 display module 1, multiple left and right rounding polarisation bars 2,3, protective seam.Described display module comprises drive IC 7, drive circuit board 10, LED wafer 4, face shield 5; Drive IC 7 is welded on drive circuit board 10 back sides, and LED wafer 4 is just being put the positive respective pixel position of being fixed on drive circuit board 10 by tackifier, and positive and each LED wafer 4 that face shield 5 is fixed on drive circuit board 10 is positioned at each light hole of face shield 5; Be mixed with the epoxide-resin glue embedding of scattering diluent in each light hole.Wherein, on display module 1, the dot spacing of pixel is d=2.5mm, and resolution is 32X32, and display module is of a size of 80mmX80mm.The pixel that left and right rounding polarisation bar 2,3 is alternately adhered to assembled good demonstration module by 3M transparent double face adhesive tape is strange, the position that even column is corresponding.The equal width of left and right rounding polarisation bar 2,3 is 2.4mm, and thickness is 0.5mm, and length is 240mm, and transmittance is 43%, and degree of polarization is 99.9%; Protective seam is light transmission protecting film 6; Light transmission protecting film 6 is attached on the demonstration module of having pasted polarisation bar 2,3.The overall dimensions of 3-D display module is 240mmX240mm, and integrated LED 3-D display module 3-D display dot spacing is 5mm.In addition, on the basis of above-mentioned demonstration module, also can further carry out pad pasting or grinding process, to improve the contrast of product.
As shown in Figure 3, the LED display that comprises above-mentioned integrated form three-dimensional LED demonstration module of the present invention is listed as and is shown that casing 11 forms by 1 row 2, and each demonstration casing 11 shows that by 2 row 2 row integrated form three-dimensional LEDs modules form; On whole display screen LED wafer according to optical property parameter from left to right or gradual change from top to bottom arrange.
Embodiment 2
As shown in Figure 4,5, integrated LED 3-D display module of the present invention comprises 2X2 display module 1, multiple left and right rounding polarisation bars 2,3, protective seam; Described display module comprises drive IC 7, drive circuit board 10, LED wafer 4, transparent epoxy resin protection glue 8; Drive IC 7 is welded on drive circuit board 10 back sides, and LED wafer 4 is just being put the positive respective pixel position of being fixed on drive circuit board 10 by tackifier, and transparent epoxy resin protection glue 8 is packaged on drive circuit board 10 and LED wafer 4.Wherein, on display module 1, the dot spacing of pixel is d=1.875mm, and resolution is 64X64, and display module is of a size of 120mmX120mm.Transparent epoxy resin protection glue 8 plays protection luminescence chip and printing opacity, and thickness is 1mm.It is strange that left and right rounding polarisation bar 2,3 is pasted on the pixel of assembled good demonstration module by epoxide-resin glue respectively, the corresponding position of even row.The equal width of left and right rounding polarisation bar 2,3 is 1.8mm, and thickness is 0.3mm, and length is 240mm, and transmittance is 45%, and degree of polarization is 99.9%.Protective seam is transparent epoxy resin casting glue 9, and 9 embeddings of transparent epoxy resin casting glue are in having pasted on the demonstration module of left and right rounding polarisation bar 2,3, and the height of transparent epoxy resin casting glue 9 upper surfaces is higher than the upper surface 0.3mm of polarisation bar.Transparent epoxy resin casting glue 9, for the grey transparent adhesive tape that transmitance is 70%, contributes to the raising of display comparison degree.The overall dimensions of 3-D display module is 240mmX240mm, and integrated LED 3-D display module 3-D display dot spacing is 3.75mm.
As shown in Figure 6, the LED display that comprises above-mentioned integrated form three-dimensional LED demonstration module of the present invention is listed as and is shown that casing 11 forms by 1 row 2, and each demonstration casing 11 shows that by 2 row 2 row integrated form three-dimensional LEDs modules form; On whole display screen LED wafer according to optical property parameter from left to right or gradual change from top to bottom arrange.
The prompting of book and guidance according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, within also should belonging to the protection domain of claim of the present invention to modifications and changes more of the present invention.In addition,, although used some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (9)
1. integrated form three-dimensional LED shows a module, comprises the demonstration module being spliced by multiple LED display modules, characterized by further comprising multiple left and right polarisation bar, protective seams of revolving; The described left and right polarisation bar that revolves is alternately adhesively fixed on strange, the even row LED pixel or strange, position corresponding to even column LED pixel that show on module, and protective seam is attached on polarisation bar.
2. integrated form three-dimensional LED according to claim 1 shows module, it is characterized in that the described left and right rotatory polarization bar that polarisation strip adoption degree of polarization is greater than 99% that revolves.
3. integrated form three-dimensional LED according to claim 2 shows module, it is characterized in that the described left and right rotatory polarization bar that polarisation strip adoption degree of polarization is greater than 99.9% that revolves.
4. integrated form three-dimensional LED according to claim 1 shows module, it is characterized in that described protective layer thickness is 0.1-1mm.
5. integrated form three-dimensional LED according to claim 4 shows module, it is characterized in that described protective seam is light transmission protecting film or printing opacity protection glue.
6. integrated form three-dimensional LED according to claim 1 shows module, it is characterized in that in described demonstration module each LED wafer by optical property parameter from left to right or gradual change from top to bottom arrange.
7. comprise the LED display that integrated form three-dimensional LED as claimed in claim 1 shows module, it is characterized in that being made up of multiple demonstration casings, each demonstration casing shows that by multiple integrated form three-dimensional LEDs module forms.
8. LED display according to claim 7, it is characterized in that LED wafer on it according to optical property parameter from left to right or gradual change from top to bottom arrange.
9. LED display according to claim 8, is characterized in that described optical property parameter is the weighting sum of chromaticity coordinate, brightness value, spectral characteristic parameter or chromaticity coordinate and brightness value.
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| CN104143317A (en) * | 2014-08-15 | 2014-11-12 | 广东威创视讯科技股份有限公司 | Entire-screen correction method and device of LED display screen |
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| CN105635709A (en) * | 2014-11-07 | 2016-06-01 | 深圳市华天瑞彩科技开发有限公司 | Led 3d display module and led 3d display system |
| CN107067990A (en) * | 2017-02-16 | 2017-08-18 | 长春希达电子技术有限公司 | A kind of preparation method of integrated form three-dimensional LED display module |
| CN108169836A (en) * | 2018-01-11 | 2018-06-15 | 宁波维真显示科技股份有限公司 | 3D light polarizing films and its preparation method and application and include its 3D display device and display system |
| CN110286498A (en) * | 2019-07-25 | 2019-09-27 | 宁波维真显示科技股份有限公司 | 3D-LED mould group preparation facilities and method |
| CN115032808A (en) * | 2022-07-04 | 2022-09-09 | 宁波维真显示科技股份有限公司 | 3D display method of large-size liquid crystal spliced screen |
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| CN115032808A (en) * | 2022-07-04 | 2022-09-09 | 宁波维真显示科技股份有限公司 | 3D display method of large-size liquid crystal spliced screen |
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