CN205104170U - Smooth device of expanding of mole line is eliminated to studio LED display screen - Google Patents
Smooth device of expanding of mole line is eliminated to studio LED display screen Download PDFInfo
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- CN205104170U CN205104170U CN201520796953.3U CN201520796953U CN205104170U CN 205104170 U CN205104170 U CN 205104170U CN 201520796953 U CN201520796953 U CN 201520796953U CN 205104170 U CN205104170 U CN 205104170U
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Abstract
The utility model discloses a smooth device of expanding of mole line is eliminated to studio LED display screen, by the face guard bottom plate with expand light and form images the dielectric plate and constitute. The face guard bottom plate have a plurality of leaded light cavitys, back taper hole that this leaded light cavity is square for the cross -section is, the bottom mounting point light source of leaded light cavity, the dielectric plate covers the top surface at a plurality of leaded light cavitys of face guard bottom plate. Because the whole quilts of LED display screen the utility model discloses device institute covers, and LED is shielded and is lighted afterwards, and the light that the luminous point sent passes through the optical conduction and the parietal emission of light of leaded light cavity of leaded light cavity, and processing such as the extinction of dielectric plate, optical filtering, colour mixture, scattering become the area source with the pointolite. The luminous point is handled the diffusion back and at dielectric plate surface imaging, is formed continuous light through the optical conduction of leaded light cavity and the parietal ray radiation of leaded light cavity, dielectric plate colour mixture, eliminated the grid structure and the granular sensation of luminous point, has got rid of the condition that digital video (or camera) and LED display screen produced the mole line, and it is effectual to eliminate mole line.
Description
Technical field
The utility model relates to a kind of optical devices, particularly relates to a kind ofly improving LED display imaging effect and the studio LED display eliminating LED display moire fringes eliminates the expansion electro-optical device of moire fringes.
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.Also there are two kinds of serious problems when using in LED display: be first closely watch dazzling, dazzling, viewing effect is poor, and eyes easily damage; Next moire fringes interference phenomenon occurred when being the shooting such as digital camera or digital camera.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 grid ray structure that LED display is intrinsic and therefore the moire fringes phenomenon brought, become a large threshold of LED display application development.
Utility model content
The studio LED display that the purpose of this utility model is to provide a kind of can eliminate moire fringes, improve closely viewing effect eliminates the expansion electro-optical device of moire fringes.
For achieving the above object, technical solution of the present utility model is:
The utility model is the expansion electro-optical device that a kind of studio LED display eliminates moire fringes, is made up of face shield base plate and dielectric-slab; Described face shield base plate has multiple guide-lighting cavity, and the bottom mounting points light source of guide-lighting cavity, dielectric-slab covers the end face of the multiple guide-lighting cavity of face shield base plate.
Described guide-lighting cavity is the reverse taper holes that cross section is square, and the height of guide-lighting cavity is LED distance
/ 6 times to 2 times, sidewall and vertical plane angle are 45-60 degree.
The guide-lighting cavity of described face shield base plate is latticed layout, and the distance between each guide-lighting chamber central point is LED distance.
Described dielectric-slab is the dielectric-slab of the dielectric-slab of transparent expansion finish matter or transparent expansion finish matter, outer surface scattering coating, and the thickness of dielectric-slab is 0.05-4 millimeter.
Can mutually splice between described face shield base plate and face shield base plate.
After adopting such scheme, due to LED display all cover by the utility model device, after LED screen is lighted, the light that luminous point sends is launched by the light conduction of guide-lighting cavity and the light of guide-lighting cavity body wall, the process such as extinction, optical filtering, colour mixture, scattering of dielectric-slab, colour mixture light scattering is also finally imaged on the surface of whole dielectric-slab, pointolite is become area source, expands light-emitting zone and the mixed light region of LED die.Luminous point through guide-lighting cavity light conduction and guide-lighting cavity body wall optical radiation, the process of dielectric-slab colour mixture diffusion after dielectric-slab surface imaging, form continuous print light, eliminate network and the granular sensation of luminous point, eliminate the condition that Digital Video (or camera) and LED display produce moire fringes, elimination moire fringes is effective.Simultaneously due to the abundant colour mixture of light that this device makes the pointolite of LED display send, after the pointolite of display screen is transformed into area source, light is soft not dazzling, eliminates granular sensation, improves the effect of closely watching.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model first embodiment;
Fig. 2 is the cut-open view of Fig. 1 along A-A line;
Fig. 3 is that LED board installs the front elevation commonly using face shield;
Fig. 4 is the front elevation that LED board installs the utility model first embodiment;
Fig. 5 is the front view of the utility model second embodiment;
Fig. 6 is the front view of the utility model second embodiment dielectric-slab;
Fig. 7 is the cut-open view of Fig. 6 along B-B line.
Embodiment
As shown in Figure 1 and Figure 2, be first embodiment that a kind of studio of the utility model LED display eliminates the expansion electro-optical device of moire fringes, it is made up of face shield base plate 1 and dielectric-slab 2.
Described face shield base plate 1 has multiple guide-lighting cavity 11, and guide-lighting cavity 11 is arranged in regular shape, and the distance between each guide-lighting cavity 11 is LED distance; The reverse taper holes that this guide-lighting cavity 11 is square for cross section, the height of guide-lighting cavity 11 be LED distance/6 times to 2 times, sidewall slope angle ɑ is 45-60 degree, and ɑ adjustable angle in angle of inclination is 10 degree.Bottom mounted LED lamp core (pointolite) 3 of guide-lighting cavity 11.
Described dielectric-slab 2 is dull and stereotyped, and it is for expanding photoimaging dielectric-slab, and adopt the dielectric-slab of the dielectric-slab of transparent expansion finish matter or transparent expansion finish matter, outer surface scattering coating, its thickness is 0.05-4 millimeter.Described dielectric-slab 2 covers the end face of face shield base plate more than 1 guide-lighting cavitys 11.
As shown in Figure 3, be traditional LED unit module 20, black region 201 is not light-emitting zones, and white portion 202 is LED wick.
As shown in Figure 4, be the schematic diagram installing Contrast on effect after the utility model face shield additional.Encapsulate for the LED of dot spacing 4mm three-in-one display unit module 10(2020), the resolution of conventional cell module is 32*32, installs the colour mixture face shield of 16 pieces of 8*8.
Principle of work of the present utility model:
As shown in Figure 1 and Figure 2, described multiple LED lamp 3 are arranged in the multiple guide-lighting cavity 11 of face shield base plate 1 respectively.After installation, between LED display luminous point not light-emitting zone all cover by dielectric-slab 2, after LED screen is lighted, the light conduction of the light that luminous point sends by guide-lighting cavity and the optical radiation of guide-lighting cavity body wall, the process such as extinction, optical filtering, colour mixture, scattering of dielectric-slab 2, colour mixture light scatters to the surface of whole dielectric-slab 2, thus non-luminous for LED screen region is all become light-emitting zone, expands light-emitting zone and the mixed light region of LED lamp 3.Luminous point forms continuous print light on dielectric-slab 2 surface after dielectric-slab 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 due to the abundant colour mixture of light that this device makes the pointolite of LED display send, after the pointolite of display screen is transformed into area source, light is soft not dazzling, eliminates granular sensation, improves the effect of closely watching.
As shown in Fig. 5-Fig. 7, be second embodiment that a kind of studio of the utility model LED display eliminates the expansion electro-optical device of moire fringes, it is made up of face shield base plate 1 ' and dielectric-slab 2 '.
Described dielectric-slab 2 ' is made up of dull and stereotyped 21 ' and multiple colour mixture device 22 '.Described multiple colour mixture devices 22 ' are equidistant, interval be arranged on dull and stereotyped 21 ' bottom surface, guide-lighting cavity 11 ' shape, the size of the shape of colour mixture device 22 ', size and face shield base plate 1 ' are corresponding; Multiple colour mixture devices 22 ' in described dielectric-slab 2 ' are nested with respectively in the guide-lighting cavity 11 ' of face shield base plate 1 ', the bottom mounted LED lamp core 3 ' of guide-lighting cavity 11.Described face shield base plate 1 material selection anti-deformation is strong, and flatness is good, not easily fissions, and can effectively prevent temperature variation on the material of the impact that material produces.Face shield base plate 1 is according to the encapsulation style of LED die and dot spacing, (minimum is 2*2 to produce different lattice dimensions, maximum unrestricted), can mutually splice between face shield base plate 1 and face shield base plate 1, and then be spliced into the size of large gauge, to adapt to LED display casing or the screen body of different resolution.
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 (7)
1. studio LED display eliminates an expansion electro-optical device for moire fringes, it is characterized in that: be made up of face shield base plate and dielectric-slab; Described face shield base plate has multiple guide-lighting cavity, and the bottom mounting points light source of guide-lighting cavity, dielectric-slab covers the end face of the multiple guide-lighting cavity of face shield base plate.
2. studio according to claim 1 LED display eliminates the expansion electro-optical device of moire fringes, it is characterized in that: described guide-lighting cavity is the reverse taper holes that cross section is square, and the height of guide-lighting cavity is LED distance
/ 6 times to 2 times, sidewall and vertical plane angle are 45-60 degree.
3. studio according to claim 1 LED display eliminates the expansion electro-optical device of moire fringes, it is characterized in that: the guide-lighting cavity of described face shield base plate is latticed layout, and the distance between each guide-lighting chamber central point is LED distance.
4. studio according to claim 1 LED display eliminates the expansion electro-optical device of moire fringes, it is characterized in that: described dielectric-slab is the dielectric-slab of the dielectric-slab of transparent expansion finish matter or transparent expansion finish matter, outer surface scattering layer, and the thickness of dielectric-slab is 0.05-4 millimeter.
5. studio according to claim 1 LED display eliminates the expansion electro-optical device of moire fringes, it is characterized in that: can mutually splice between described face shield base plate and face shield base plate.
6. studio according to claim 1 LED display eliminates the expansion electro-optical device of moire fringes, it is characterized in that: described dielectric-slab is for dull and stereotyped.
7. studio according to claim 1 LED display eliminates the expansion electro-optical device of moire fringes, it is characterized in that: described dielectric-slab is made up of dull and stereotyped and multiple colour mixture device; Described multiple colour mixture devices are equidistant, interval is arranged on dull and stereotyped bottom surface, and guide-lighting cavity geometry, the size of the shape of colour mixture device, size and face shield base plate are corresponding; Multiple colour mixture devices in described dielectric-slab are nested with respectively in the guide-lighting cavity of face shield base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796953.3U CN205104170U (en) | 2015-10-15 | 2015-10-15 | Smooth device of expanding of mole line is eliminated to studio LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796953.3U CN205104170U (en) | 2015-10-15 | 2015-10-15 | Smooth device of expanding of mole line is eliminated to studio LED display screen |
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| CN205104170U true CN205104170U (en) | 2016-03-23 |
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| CN201520796953.3U Active CN205104170U (en) | 2015-10-15 | 2015-10-15 | Smooth device of expanding of mole line is eliminated to studio LED display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206188A (en) * | 2015-10-15 | 2015-12-30 | 厦门科安技术开发有限公司 | Light-expanding imaging device for eliminating moire of LED display screen |
| CN112259008A (en) * | 2020-11-10 | 2021-01-22 | 深圳市中科创激光技术有限公司 | LED display screen mask structure and LED display screen |
-
2015
- 2015-10-15 CN CN201520796953.3U patent/CN205104170U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206188A (en) * | 2015-10-15 | 2015-12-30 | 厦门科安技术开发有限公司 | Light-expanding imaging device for eliminating moire of LED display screen |
| CN112259008A (en) * | 2020-11-10 | 2021-01-22 | 深圳市中科创激光技术有限公司 | LED display screen mask structure and LED display screen |
| CN112259008B (en) * | 2020-11-10 | 2022-10-18 | 深圳市中科创激光技术有限公司 | LED display screen mask structure and LED display screen |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |