CN205122110U - Mole line colour mixture face guard is eliminated to LED display screen - Google Patents
Mole line colour mixture face guard is eliminated to LED display screen Download PDFInfo
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- CN205122110U CN205122110U CN201520658264.6U CN201520658264U CN205122110U CN 205122110 U CN205122110 U CN 205122110U CN 201520658264 U CN201520658264 U CN 201520658264U CN 205122110 U CN205122110 U CN 205122110U
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- colour mixture
- led display
- face shield
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- moire fringes
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Abstract
The utility model discloses a mole line colour mixture face guard is eliminated to LED display screen comprises face guard bottom plate and a plurality of colour mixture device, the face guard bottom plate a plurality of caulking grooves have, a plurality of colour mixture devices imbed respectively in the caulking groove on the face guard bottom plate. Owing to do not send out the whole quilts in light zone territory between the LED display screen luminous point the utility model discloses cover, the back is lighted to LED screen, the light that the luminous point sent passes through processing such as the extinction, optical filtering, colour mixture, scattering of colour mixture device, colour mixture light scattering to the surface of whole colour mixture device to shield non -luminous regional whole becoming with LED and send out the light zone territory, enlarged sending out the light zone territory and mixing the light zone territory of LED tube core. The diffusion back is handled at the continuous light of colour mixture device surface formation to luminous point process colour mixture device colour mixture to having eliminated the grid structure and the granular sensation of luminous point, having solved the mole line interference that digital video (or camera) shot LED display frame, it is effectual to eliminate the mole line.
Description
Technical field
The utility model relates to a kind of optical accessories, particularly relates to a kind of LED display and eliminates moire fringes colour mixture face shield.
Background technology
LED display, as a kind of display media of develop rapidly, is widely used in all trades and professions.Particularly as the LED display of video display, be used for the issue of enterprises and institutions' visual features and public place information with its modern attitude, become the first-selection of users.A kind of serious problem is also there is, i.e. moire fringes phenomenon in LED display when using.Moire fringes refers to the irregular interference stripes occurred on the sensor devices of the capture apparatus such as digital camera or digital camera.When the spatial frequency of striped is close in the spatial frequency and image of photo-sensitive cell CCD/CMOS pixel, moire fringes will be produced.The pel spacing problem of LED display, and the therefore moire fringes phenomenon brought, become a large threshold of LED display development.In order to eliminate moire fringes phenomenon, dealer installs face shield in LED display cell module, but traditional face shield is without the effect eliminating moire fringes.
Summary of the invention
The purpose of this utility model is to provide a kind of effective LED display of moire fringes of eliminating to eliminate moire fringes colour mixture face shield.
For achieving the above object, technical solution of the present utility model is:
The utility model is that a kind of LED display eliminates moire fringes colour mixture face shield, is made up of face shield base plate and multiple colour mixture device; Described face shield base plate has multiple caulking groove, and multiple colour mixture device is embedded in the caulking groove on face shield base plate respectively.
Described face shield base plate is cellular or latticed, with the network one_to_one corresponding of LED display luminous point.
Described colour mixture device is square cone or cubic column.
Described colour mixture device is made up of diffusion layer, colour mixture filter layer and light-absorption layer; Described diffusion layer, colour mixture filter layer and light-absorption layer are superimposed together from top to bottom successively.
The top of described colour mixture device is arcwall face or plane.
Can mutually splice between described face shield base plate and face shield base plate.
After adopting such scheme, due between LED display luminous point not light-emitting zone all cover by the utility model, after LED screen is lighted, the light that luminous point sends is by the process such as extinction, optical filtering, colour mixture, scattering of colour mixture device, colour mixture light scatters to the surface of whole colour mixture device, thus non-luminous for LED screen region is all become light-emitting zone, expand light-emitting zone and the mixed light region of LED die.Luminous point forms continuous print light at colour mixture device surface after colour mixture device colour mixture process diffusion, thus eliminate network and the granular sensation of luminous point, eliminate the condition that Digital Video (or camera) and LED display produce moire fringes, solve the moire fringes interference that Digital Video (or camera) takes LED display frame, eliminate moire fringes effective.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the cut-open view of Fig. 1 along A-A line;
Fig. 3 is the front elevation of the utility model colour mixture device;
Fig. 4 is that the utility model LED board installs the front elevation commonly using face shield;
Fig. 5 is that the utility model LED board installs axonometric drawing of the present utility model;
Fig. 6 is the front elevation of another embodiment of the utility model colour mixture device;
Fig. 7 is the axonometric drawing of another embodiment of the utility model colour mixture device;
Fig. 8-1 schemes without face shield LED;
Fig. 8-2 is the LED figure after adding mixed light face shield;
Fig. 8-3 adds comparison diagram before and after after mixed light face shield.
Embodiment
As shown in Figure 1 and Figure 2, the utility model is that a kind of LED display eliminates moire fringes colour mixture face shield, is made up of face shield base plate 1 and multiple colour mixture device 2.
Described face shield base plate 1 has multiple caulking groove 11, in latticed, with the network one_to_one corresponding of LED display luminous point.Described multiple colour mixture devices 2 are embedded in the caulking groove 11 on face shield base plate 1 respectively.Face shield base plate 1 also can be cellular.
Shown in composition graphs 5, described face shield base plate 1 material selection PC+10%GF; Add black black masterbatch, uv-resistant agent and fire retardant, flame retardant rating 94-V0 level.This material anti-deformation is strong, and flatness is good, not easily fissions, and effective temperature can change the impact produced material.Face shield base plate 1, according to the encapsulation style of LED die and dot spacing, is produced different lattice dimensions (minimum is 4*4, maximum unrestricted), and then is spliced into the size of large gauge, to adapt to LED display casing or the screen body of different resolution.
As shown in Figure 3, described colour mixture device 2 is square cone, is made up of diffusion layer 21, colour mixture filter layer 22 and light-absorption layer 23.Described diffusion layer 21, colour mixture filter layer 22 and light-absorption layer 23 are superimposed together from top to bottom successively, that is, bottom is light-absorbing coating, and centre is colour mixture, filter, and top is astigmatism coating.The top of described colour mixture device 2 is arcwall face, similar convex lens, by the scattering of light maximum possible, can increase light-emitting area; The top of colour mixture device also can be made flat.As required, the top of colour mixture device 2 also can be plane.
As shown in Figure 6, Figure 7, it should be noted that, colour mixture device 2 ' also without diffusion layer and light-absorption layer, can only have the structure of colour mixture filter layer 22 '.
As shown in Figure 4, be traditional LED unit module 20, black is not light-emitting zone, and white is LED wick.
Principle of work of the present utility model:
As shown in Figure 1 and Figure 2, the utility model with withholding, glue or screw be fixed on the not light-emitting zone of display screen unit module, its colour mixture device 2 bottom is near LED display luminous die 10, colour mixture device 2 is the light-absorbing coating of specialty near luminous die 10 side, centre is colour mixture, optical filtering optical material, and opposite side surface is the astigmatism coating of uniform fold.After installation, between LED display luminous point not light-emitting zone all cover by colour mixture device 2, after LED screen is lighted, the light that luminous point sends is by the process such as extinction, optical filtering, colour mixture, scattering of colour mixture device 2, colour mixture light scatters to the surface of whole colour mixture device 2, thus non-luminous for LED screen region is all become light-emitting zone, expand light-emitting zone and the mixed light region of LED core 10.Luminous point forms continuous print light on colour mixture device 2 surface after colour mixture device 2 colour mixture process diffusion, thus eliminate network and the granular sensation of luminous point, eliminate the condition that Digital Video (or camera) and LED display produce moire fringes, thoroughly solve the moire fringes that Digital Video (or camera) takes LED display frame and disturb; Simultaneously because this colour mixture face shield can substitute original face shield completely, therefore can assemble in the lump when producing display screen, the supporting supply of material.
Fixed installation mode of the present utility model has two kinds:
1, dot spacing at 3mm(containing 3mm) more than cell module, the mode be screwed can be adopted;
2, dot spacing is in the cell module of below 3mm, adopts and withholds or the hydropexic mode of glue, if cell module size is comparatively large, in addition withhold or glue fixing after add screw again and fix.
As shown in Fig. 8-1, Fig. 8-2, Fig. 8-3, it is the schematic diagram that the utility model installs Contrast on effect after face shield additional.For the three-in-one display unit module of the LED of dot spacing 4mm (2020 encapsulation), the resolution of conventional cell module is 32*32, installs the colour mixture face shield of 16 pieces of 8*8.
The above, be only the utility model preferred embodiment, therefore can not limit with this scope that the utility model implements, the equivalence namely done according to the utility model claim and description change with modify, all should still belong in scope that the utility model patent contains.
Claims (9)
1. LED display eliminates a moire fringes colour mixture face shield, it is characterized in that: be made up of face shield base plate and multiple colour mixture device; Described face shield base plate has multiple caulking groove, and multiple colour mixture device is embedded in the caulking groove on face shield base plate respectively.
2. LED display according to claim 1 eliminates moire fringes colour mixture face shield, it is characterized in that: described face shield base plate is cellular or latticed, with the network one_to_one corresponding of LED display luminous point.
3. LED display according to claim 1 eliminates moire fringes colour mixture face shield, it is characterized in that: described colour mixture device is cone or column.
4. LED display according to claim 3 eliminates moire fringes colour mixture face shield, it is characterized in that: described colour mixture device is square cone or cubic column.
5. the LED display according to claim 1 or 3 eliminates moire fringes colour mixture face shield, it is characterized in that: described colour mixture device is formed by one or more layers colour mixture filter layer.
6. LED display according to claim 5 eliminates moire fringes colour mixture face shield, it is characterized in that: the colour mixture filter layer of described colour mixture device increases one or more layers diffusion layer.
7. LED display according to claim 5 eliminates moire fringes colour mixture face shield, it is characterized in that: increase one or more layers light-absorption layer under the colour mixture filter layer of described colour mixture device.
8. LED display according to claim 1 eliminates moire fringes colour mixture face shield, it is characterized in that: the top of described colour mixture device is arcwall face or plane.
9. LED display according to claim 1 eliminates moire fringes colour mixture face shield, it is characterized in that: can mutually splice between described face shield base plate and face shield base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658264.6U CN205122110U (en) | 2015-08-28 | 2015-08-28 | Mole line colour mixture face guard is eliminated to LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658264.6U CN205122110U (en) | 2015-08-28 | 2015-08-28 | Mole line colour mixture face guard is eliminated to LED display screen |
Publications (1)
| Publication Number | Publication Date |
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| CN205122110U true CN205122110U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520658264.6U Active CN205122110U (en) | 2015-08-28 | 2015-08-28 | Mole line colour mixture face guard is eliminated to LED display screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161012A (en) * | 2015-08-28 | 2015-12-16 | 厦门科安技术开发有限公司 | LED display screen moire-eliminating and color-mixing face cover |
| CN108320674A (en) * | 2018-04-11 | 2018-07-24 | 安徽大学 | L ED display screen capable of being used in close range |
| CN110459138A (en) * | 2019-08-06 | 2019-11-15 | 深圳市齐普光电子股份有限公司 | A kind of LED display that can show text information and its display methods |
-
2015
- 2015-08-28 CN CN201520658264.6U patent/CN205122110U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161012A (en) * | 2015-08-28 | 2015-12-16 | 厦门科安技术开发有限公司 | LED display screen moire-eliminating and color-mixing face cover |
| CN108320674A (en) * | 2018-04-11 | 2018-07-24 | 安徽大学 | L ED display screen capable of being used in close range |
| CN110459138A (en) * | 2019-08-06 | 2019-11-15 | 深圳市齐普光电子股份有限公司 | A kind of LED display that can show text information and its display methods |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |