CN104077972B - LED (light emitting diode) display screen moire pattern eliminating structure and method thereof - Google Patents
LED (light emitting diode) display screen moire pattern eliminating structure and method thereof Download PDFInfo
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- CN104077972B CN104077972B CN201410294928.5A CN201410294928A CN104077972B CN 104077972 B CN104077972 B CN 104077972B CN 201410294928 A CN201410294928 A CN 201410294928A CN 104077972 B CN104077972 B CN 104077972B
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Abstract
The invention belongs to the technical field of LED display screens, discloses an LED display screen moire pattern eliminating method and provides an LED display screen. The front surface of the LED display is provided with a plurality of LED lamp beads arranged at intervals; a light-transmitting film is arranged on the front surface of the LED display screen right opposite the front surface of the LED display screen; a grid structure for light of the LED lamp beads to penetrate is arranged in the LED display screen, and the coverage of the grid structure is larger than that of the LED lamp beads. Due to the fact that the grid structure of the light-transmitting film is utilized, the grid structure can be used for damaging periodicity of the plurality of LED lamp beads on the LED display screen, further spatial frequency of the plurality of LED lamp beads on the LED display screen can be damaged and the condition for producing moire patterns can be eliminated, but an original direction of propagation of the light of the LED lamp beads cannot be damaged, therefore, the sharpness of displayed frames cannot be reduced, hazy problems can be avoided, and the shot frames through a camera are relatively distinct and facilitate watching; besides, the LED display screen moire pattern eliminating structure is simple in structure and easy to operate and achieve.
Description
Technical field
The present invention relates to the technical field of LED display, particularly relate to LED display and disappear moire fringes structure
And method.
Background technology
Video camera or photographing unit, when shooting LED display, there will be the striped of water wave-shaped and strange often
Color, the moire fringes namely often said, the appearance of moire fringes is that television station uses video camera shooting LED to show
The difficulties faced during screen.
Moire fringes to be eliminated, it should make the resolution that periodic subject shows in CCD photo-sensitive cell
The resolution that rate is intrinsic much larger than CCD photo-sensitive cell, when this condition meets, in the image after shooting then
Do not have the striped close with photo-sensitive cell, would not produce moire fringes yet.Such as, LED is shot when us
During display screen, under the identical shooting conditions such as shooting distance, video camera focal position, the LED that dot spacing is little
LED display that display screen is bigger than dot spacing is more difficult there is moire fringes.
In prior art, video camera to be eliminated or photographing unit shooting after except moire fringes phenomenon, in Chinese patent
Patent No. CN201788644U, patent entitled " effectively eliminating the LED display of moire fringes ", public
Having opened the LED display of a kind of effective elimination moire fringes, it is provided with antifriction in the front of LED display
Your stricture of vagina film, this anti-moire fringes film is sequentially laminated with antireflective coating from inside to outside, vertical diffuse-reflectance layer, level are overflow
Reflecting layer, reflection-proof coating, although this anti-moire fringes film can reach certain moire fringes effect that disappears, but,
Its picture sharpness and contrast the most seriously reduce so that picture looks misty, under display quality is serious
Fall；It addition, this anti-moire fringes film exists, structure is complicated, manufacture difficulty and the problem being unfavorable for practical operation.
Summary of the invention
It is an object of the invention to provide LED display to disappear moire fringes method, it is intended to solve of the prior art
LED display uses anti-moire fringes film to disappear moire fringes, there is picture display acutance and contrast is low, structure
Problem that is complicated and that be not easy to operation.
The present invention is achieved in that LED display disappears moire fringes method, it is provided that LED display, institute
The front surface stating LED display is provided with the LED lamp bead of multiple alternate layout；In described LED display
Front surface is disposed with the front surface of light-transmissive film, described light-transmissive film and described LED display just to layout；Described
LED display is provided with the network that the light for LED lamp bead passes, and the covering of described network
Scope is more than the coverage of described LED lamp bead.
Present invention also offers LED display to disappear moire fringes structure, including LED display and light-transmissive film,
The front surface of described LED display is provided with the LED lamp bead of multiple alternate layout；Described light-transmissive film is placed in institute
State the front surface of LED display, be provided with the network of the light transmission sent for described LED lamp bead,
The coverage of described network is more than the coverage of described LED lamp bead.
Compared with prior art, the LED display that the present invention provides disappears moire fringes method, uses and allows LED
The light that lamp bead sends, directly by the network of light-transmissive film, utilizes network to destroy on LED display many
The periodicity of individual LED lamp bead, destroys its spatial frequency, thus eliminates the condition that moire fringes produces, at all
Upper solution moire fringes produced problem, and, the original LED lamp bead light direction of propagation will not be destroyed, thus
Will not reduce the picture sharpness of its display, not have misty phenomenon, the picture after video camera shooting is relatively
For clearly, it is simple to viewing；It addition, LED display disappears the simple in construction of moire fringes structure, easy and simple to handle and
Easily realize.
Accompanying drawing explanation
Fig. 1 is that the LED display structure that the embodiment of the present invention provides disappears the LED display of moire fringes structure
Schematic front view；
Fig. 2 is that the LED display structure that the embodiment of the present invention provides disappears the master of light-transmissive film of moire fringes structure depending on showing
It is intended to；
Fig. 3 be the embodiment of the present invention provide LED display structure disappear moire fringes structure master regard blast signal
Figure；
Fig. 4 is that the disappear master of moire fringes structure of another LED display structure that the embodiment of the present invention provides shows depending on blast
It is intended to.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Below in conjunction with specific embodiment, the realization of the present invention is described in detail.
As shown in figures 1-4, the preferred embodiment provided for the present invention.
The LED display 11 that the present embodiment provides disappears moire fringes method, and it is so that LED display
11 be taken after picture eliminate moire fringes, specific as follows:
Thering is provided LED display 11, the front surface of this LED display 11 arranges the LED of multiple alternate layouts
Lamp bead 111；Arrange light-transmissive film 12 in the front of LED display 11, LED is just shown by this light-transmissive film 12
The front surface of display screen 11 is arranged, is provided with the network 121 of the light transmission sent for LED lamp bead 111,
And the area coverage scope of this network 121 equals to or more than LED lamp bead 111 at LED display 11
The area coverage scope of front surface Mulberry.
The LED display 11 of above-mentioned employing disappears moire fringes method, and it uses and allows LED lamp bead 111 send
Light is directly by the network 121 of light-transmissive film 12, so, utilizes network 121 to destroy LED and shows
In display screen 11, the periodicity of multiple LED lamp bead 111, namely destroys its spatial frequency, thus eliminates
The condition that moire fringes produces, fundamentally solves moire fringes produced problem, and, the method will not be destroyed former
Come the light direction of propagation of LED lamp bead 111, because of the picture sharpness without reducing its display, do not have
Misty phenomenon, the picture after video camera shooting is the most clear, it is simple to viewing；It addition, the method is easy
And easily realize.
Specifically, in the methods described above, above-mentioned network 121, recycling film output are first drawn
This network 121 is transferred on overlay by mode, is formed and above-mentioned has the saturating of network 121
Light film 12.
It addition, arrange clear glass 13 in the front of LED display 11, this clear glass 13 and LED
The front surface of display screen 11 is just to layout, and its area is more than the area of LED display 11, so, and will
Above-mentioned light-transmissive film 12 is sticked on the surface of this clear glass 13 so that the light that LED lamp bead 111 sends
By clear glass 13, and through the network 121 of light-transmissive film 12.
Or, as other embodiments, above-mentioned light-transmissive film 12 can also make space filter screen, and it uses black
Color plastic cement is made, and so, in this light-transmissive film 12 that network 121 is then formed, forms the knot of printing opacity filter screen
Structure, such that moire fringes can be eliminated, it is also possible to strengthens the contrast of LED display 11；And in order to
Avoid light-transmissive film 12 that the pixel of LED lamp bead 111 is formed to block, cause LED display 11 colour cast,
The part that is in the light of light-transmissive film 12 can be made the finest and closely woven point.
Specifically, above-mentioned network 121 can be the spot hole of super-intensive dot matrix distribution, or, it is also
Can be the irregular figure hole of super-intensive distribution, or, it is also possible to it is the hole of other various shape, not
The version being only restricted in the present embodiment.
According to above-mentioned method, it is provided that LED display disappears moire fringes structure 1, and it includes that LED shows
Screen 11 and light-transmissive film 12, the front surface of this LED display 11 arranges the LED of multiple alternate layouts
Pearl 111；The front surface of LED display 11 is just arranged by light-transmissive film 12, is provided with for LED lamp bead
The network 121 of 111 light transmissions sent, and the area coverage scope of this network 121 equal to or big
In LED lamp bead 111 in the area coverage scope of LED display 11 front surface Mulberry.
So, in such a configuration, the network 121 in light-transmissive film 12 is utilized, so that LED
The light transmission that lamp bead 111 sends, thus reach to destroy the periodicity of multiple LED lamp bead 111, destroy it empty
Between frequency, reach to eliminate the effect of moire fringes, and the display acutance of picture will not be damaged, its simple in construction,
Easy and simple to handle.
Front surface at LED display 11 is additionally provided with clear glass 13, and this clear glass 13 is just to LED
Front surface display screen arrange, its area is more than the area of LED display 11, and above-mentioned light-transmissive film 12 is then
It is sticked on the surface of this clear glass 13, of course, it is possible to be front surface, it is also possible to be rear surface.
Above-mentioned light-transmissive film 12 can refer to as follows: first draws above-mentioned network 121, recycles the film
This network 121 is transferred on overlay by the way of output, is formed and above-mentioned has network 121
Light-transmissive film 12.
Or, as other embodiments, above-mentioned light-transmissive film 12 can be that black plastic is made, and forms printing opacity
The structure of filter screen, such that moire fringes can be eliminated, it is also possible to strengthens the contrast of LED display 11；
And in order to avoid the pixel formation of LED lamp bead 111 is blocked by light-transmissive film 12, cause LED display 11
Colour cast, the part that is in the light of light-transmissive film 12 can be made the finest and closely woven point.
In the present embodiment, above-mentioned network 121 is the spot hole of super-intensive dot matrix distribution, or, it is also
Can be the irregular figure hole of super-intensive distribution, or, it is also possible to it is the hole of other various shape, not
The version being only restricted in the present embodiment.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (8)
1.LED display screen disappears moire fringes method, it is provided that LED display, before described LED display
Surface is provided with the LED lamp bead of multiple alternate layout；It is characterized in that, in the front table of described LED display
Face is disposed with the front surface of light-transmissive film, described light-transmissive film and described LED display just to layout；Described printing opacity
Film is provided with the network that the light for LED lamp bead passes, and the coverage of described network is more than institute
State the coverage of LED lamp bead.
2. LED display as claimed in claim 1 disappears moire fringes method, it is characterised in that draw institute
State network, and utilize the film way of output described network to be needed on overlay, formed
Described light-transmissive film.
3. LED display as claimed in claim 1 disappears moire fringes method, it is characterised in that by described
Light-transmissive film is attached on clear glass, and described clear glass is placed in the front surface of described LED display, and
With it just to layout.
4. the LED display as described in any one of claims 1 to 3 disappears moire fringes method, and its feature exists
In, described network is the super-intensive spot hole or irregular figure hole being formed in described light-transmissive film.
5.LED display screen disappears moire fringes structure, including LED display and light-transmissive film, described LED
The front surface of display screen is provided with the LED lamp bead of multiple alternate layout；It is characterized in that, described light-transmissive film is placed in
The front surface of described LED display, is provided with the grid knot of the light transmission sent for described LED lamp bead
Structure, the coverage of described network is more than the coverage of described LED lamp bead.
6. LED display as claimed in claim 5 disappears moire fringes structure, it is characterised in that described
Light film includes overlay and the institute using the film way of output to be transferred on described transparent plastic film
State network.
7. LED display as claimed in claim 5 disappears moire fringes structure, it is characterised in that described LED
The front surface of display screen is provided with the front surface with described LED display just to the clear glass arranged, described
Light film is attached on described clear glass.
8. the LED display as described in any one of claim 5 to 7 disappears moire fringes structure, and its feature exists
In, described network is the super-intensive spot hole or irregular figure hole being formed in described light-transmissive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410294928.5A CN104077972B (en) | 2014-06-25 | 2014-06-25 | LED (light emitting diode) display screen moire pattern eliminating structure and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410294928.5A CN104077972B (en) | 2014-06-25 | 2014-06-25 | LED (light emitting diode) display screen moire pattern eliminating structure and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104077972A CN104077972A (en) | 2014-10-01 |
| CN104077972B true CN104077972B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410294928.5A Active CN104077972B (en) | 2014-06-25 | 2014-06-25 | LED (light emitting diode) display screen moire pattern eliminating structure and method thereof |
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| CN110289329B (en) * | 2019-06-27 | 2021-01-08 | 西安中易建科技有限公司 | System and method for manufacturing thin film semitransparent photovoltaic module capable of inhibiting Moire patterns |
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|---|---|---|---|---|
| DE20212025U1 (en) * | 2002-08-06 | 2002-10-31 | Standop Uwe | Diffusion filter to avoid the development of the so-called moire effect in television broadcasts of advertising video tapes |
| JP2003131202A (en) * | 2001-10-24 | 2003-05-08 | Shin Etsu Polymer Co Ltd | Peeping preventing body for information displaying body |
| CN101042490A (en) * | 2006-03-20 | 2007-09-26 | 日本电气株式会社 | Optical element, display device, and terminal device |
| CN201170940Y (en) * | 2008-02-04 | 2008-12-24 | 林晓尧 | High-resolution LED display apparatus |
| CN103150970A (en) * | 2013-03-14 | 2013-06-12 | 利亚德光电股份有限公司 | Led display device |
| CN103578367A (en) * | 2013-11-13 | 2014-02-12 | 广东威创视讯科技股份有限公司 | LED display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120218753A1 (en) * | 2011-02-18 | 2012-08-30 | Daktronics, Inc. | Electronic display |
-
2014
- 2014-06-25 CN CN201410294928.5A patent/CN104077972B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003131202A (en) * | 2001-10-24 | 2003-05-08 | Shin Etsu Polymer Co Ltd | Peeping preventing body for information displaying body |
| DE20212025U1 (en) * | 2002-08-06 | 2002-10-31 | Standop Uwe | Diffusion filter to avoid the development of the so-called moire effect in television broadcasts of advertising video tapes |
| CN101042490A (en) * | 2006-03-20 | 2007-09-26 | 日本电气株式会社 | Optical element, display device, and terminal device |
| CN201170940Y (en) * | 2008-02-04 | 2008-12-24 | 林晓尧 | High-resolution LED display apparatus |
| CN103150970A (en) * | 2013-03-14 | 2013-06-12 | 利亚德光电股份有限公司 | Led display device |
| CN103578367A (en) * | 2013-11-13 | 2014-02-12 | 广东威创视讯科技股份有限公司 | LED display device |
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| CN104077972A (en) | 2014-10-01 |
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Address after: 518000 1805, tower 2, Shenye Jinyuan Building, No.112, Qingshuihe 1st Road, Qingshuihe community, Luohu District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN AOTO ELECTRONICS Co.,Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District high tech Industrial Park building T2 A6-B Patentee before: SHENZHEN AOTO ELECTRONICS Co.,Ltd. |
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