CN110534032A - A kind of LED screen and preparation method thereof of band leaded light mask - Google Patents
A kind of LED screen and preparation method thereof of band leaded light mask Download PDFInfo
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- CN110534032A CN110534032A CN201910913022.XA CN201910913022A CN110534032A CN 110534032 A CN110534032 A CN 110534032A CN 201910913022 A CN201910913022 A CN 201910913022A CN 110534032 A CN110534032 A CN 110534032A
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- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 115
- 239000011324 bead Substances 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims description 91
- 238000004519 manufacturing process Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 23
- 239000000084 colloidal system Substances 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- 238000002834 transmittance Methods 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000004927 fusion Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 210000000697 sensory organ Anatomy 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 239000012780 transparent material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000382 optic material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000002513 implantation Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 238000012856 packing Methods 0.000 description 1
- -1 plank Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating 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
- G09F9/33—Indicating 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of LED screen and preparation method thereof of band leaded light mask, this kind of LED screen includes PCB substrate, LED lamp bead, guide-lighting mask and set screw.By the technical program, it is able to ascend the waterproof of LED screen, moisture-proof, the performance of anti-external shock power and high abrasion degree, while visual splicing seams and light transmission situation can be effectively eliminated, promote LED screen uses sense organ.In addition, leaded light mask used by the technical program can also promote the degrees of fusion of LED screen and surrounding enviroment, expand the usage scenario of LED screen, the spoilage that LED screen repeats dismounting is effectively reduced.
Description
Technical field
The present invention relates to the LED screens and its production side of LED display technical field more particularly to a kind of band leaded light mask
Method.
Background technique
With the continuous development of LED display the relevant technologies, more and more New LED screens are applied to daily life
Various aspects: in ground imaging display environment for example outdoors, need to allow user in the LED screen of band leaded light mask
It freely walks or moves；Or in the desktops such as bar top, desk imaging display environment, need to allow user in band light guiding surface
Other articles are placed in the LED screen of cover or are write, this brings great challenge for the process requirements of LED screen.
Currently, being applied to the LED display of above-mentioned environment to meet the performances such as waterproof, anticollision, enhancing wear resistance and want
It asks, is mainly made of following two technique:
First is that the lamp bead one side to LED display carries out encapsulating processing, to make LED display waterproof and enhancing intensity；
Second is that enhancing waterproof and covering transparent material (such as: glass, PC plate) on LED display and increasing strong
Degree.
For the LED display using process for filling colloid, although playing waterproof action, there are technologies below to lack
It falls into: thick due to being to bear dynamics by pcb board, and pcb board is generally all by multilayer material composite synthesis when by external impacts
Degree has no very high load bearing stength, so easily damaging within 2mm；Simultaneously as the lower hardness in encapsulating face, wearability
Can be poor, display effect can be caused to be decreased obviously because of abrasion after long-time use.
And for using technology of the covering transparent material to increase wearability and anti-external impacts, it equally exists
Corresponding technological deficiency: the covering transparent material since oversize can not be produced, the LED display of existing covering transparent material
Mostly it is to cover transparent material by muti-piece to be spliced --- transparent material is because have certain thickness, the light of LED lamp bead
Line is easy to highlight the splicing seams of covering material, to reduce display effect under refraction action；In addition to this, saturating due to carrying out lid
The surface of bright material is mirror surface, and light is propagated between different medium can generate reflective, can also further decrease LED display and be presented
Display effect.
Summary of the invention
For the above-mentioned problems in the prior art, LED screen and its production side of a kind of band leaded light mask are now provided
Method, specific technical solution are as follows:
A kind of LED screen of band leaded light mask, comprising:
PCB substrate, the upper surface of PCB substrate are provided with multiple equally distributed screw through-holes and lamp bead mounting hole；
Multiple LED lamp beads, LED lamp bead and lamp bead mounting hole correspond, and are fixedly installed in corresponding lamp bead mounting hole；
Guide-lighting mask, light guiding surface, which is provide with, is equipped with multiple equally distributed positioning screw holes and guide-lighting through-hole；
The shape of guide-lighting mask and the shape of PCB substrate are adapted；
The position of positioning screw hole and screw through-hole corresponds；
The position of guide-lighting through-hole and LED lamp bead corresponds；
Multiple set screws, set screw and screw through-hole correspond, by passing through screw through-hole and being fixedly connected on
Guide-lighting mask and PCB substrate are fitted closely fixation by the mode of positioning screw hole.
Preferably, this kind of LED screen, wherein the joint place of PCB substrate and guide-lighting mask is packaged processing using colloid.
Preferably, this kind of LED screen, wherein the substrate of guide-lighting mask is opaque material.
Preferably, this kind of LED screen, wherein the substrate of guide-lighting mask is curable fluent material.
Preferably, this kind of LED screen, wherein the inner wall of guide-lighting through-hole is coated with reflectorized material.
Preferably, this kind of LED screen, wherein being filled with high-transmittance material in guide-lighting through-hole；
The value range of the light transmittance of high-transmittance material is [40%, 99%].
Preferably, this kind of LED screen, wherein guide-lighting through-hole has been implanted into optical material, the surface of optical material uses glue
Body is packaged processing.
A kind of production method of LED screen is used to form the LED screen of above-mentioned band leaded light mask；
A PCB substrate is preset, a guide-lighting mask substrate and multiple LED lamp beads, the upper surface of PCB substrate are provided with more
A equally distributed screw through-hole and lamp bead mounting hole, guide-lighting mask substrate are opaque hard plate material；
Production method includes the following steps:
LED lamp bead is fixedly installed in lamp bead mounting hole by step S1 correspondingly；
Step S2 cuts guide-lighting mask substrate according to the size of PCB substrate, the guide-lighting mask substrate after cutting
The size of size and PCB substrate is adapted；
Step S3 is punched according to the setting position of LED lamp bead and screw through-hole, is obtained on guide-lighting mask substrate
Multiple corresponding guide-lighting through-holes and positioning screw hole；
Step S4 plates reflectorized material in the inner wall of guide-lighting through-hole；
Step S5, in filling high-transmittance material, the guide-lighting mask completed the process in guide-lighting through-hole；
Step S6 will be guide-lighting by way of passing through screw through-hole and being fixedly connected on positioning screw hole using set screw
Mask and PCB substrate fit closely fixation；
Step S7 is packaged processing using colloid in the joint place of PCB substrate and guide-lighting mask to get to light guiding surface
The LED screen of cover.
A kind of production method of LED screen is used to form the LED screen of above-mentioned band leaded light mask；
A PCB substrate is preset, a guide-lighting mask substrate and multiple LED lamp beads, the upper surface of PCB substrate are provided with more
A equally distributed screw through-hole and lamp bead mounting hole, guide-lighting mask substrate are opaque hard plate material；
Production method includes the following steps:
LED lamp bead is fixedly installed in lamp bead mounting hole by step S1 correspondingly；
Step S2 cuts guide-lighting mask substrate according to the size of PCB substrate, the guide-lighting mask substrate after cutting
The size of size and PCB substrate is adapted；
Step S3 is punched according to the setting position of LED lamp bead and screw through-hole, is obtained on guide-lighting mask substrate
Multiple corresponding guide-lighting through-holes and positioning screw hole；
Step S4 is implanted into optical material in guide-lighting through-hole；
Step S5 is packaged processing using colloid in the surface of optical material, the guide-lighting mask completed the process；
Step S6 will be guide-lighting by way of passing through screw through-hole and being fixedly connected on positioning screw hole using set screw
Mask and PCB substrate fit closely fixation；
Step S7 is packaged processing using colloid in the joint place of PCB substrate and guide-lighting mask to get to light guiding surface
The LED screen of cover.
A kind of production method of LED screen is used to form the LED screen of above-mentioned band leaded light mask；
A PCB substrate is preset, a guide-lighting mask substrate and multiple LED lamp beads, the upper surface of PCB substrate are provided with more
A equally distributed screw through-hole and lamp bead mounting hole, guide-lighting mask substrate are curable fluent material；
Production method includes the following steps:
LED lamp bead is fixedly installed in lamp bead mounting hole by step S1 correspondingly；
Curable fluent material is placed in a mold adaptable with the size of PCB substrate by step S2；
Step S3 is inserted into optical material according to the setting position of LED lamp bead on uncured fluent material；
Step S4 waits fluent material to be fully cured, is punched according to the setting position of screw through-hole, obtain multiple phases
The positioning screw hole answered；
Step S5 carries out grinding process, the guide-lighting mask completed the process to the surface of cured fluent material；
Step S6 will be guide-lighting by way of passing through screw through-hole and being fixedly connected on positioning screw hole using set screw
Mask and PCB substrate fit closely fixation；
Step S7 is packaged processing using colloid in the joint place of PCB substrate and guide-lighting mask to get to light guiding surface
The LED screen of cover.
Above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
By the technical program, it is able to ascend the waterproof of LED screen, moisture-proof, the performance of anti-external shock power and high abrasion degree,
Visual splicing seams and light transmission situation can be effectively eliminated simultaneously, promote LED screen uses sense organ.In addition, this technology side
Leaded light mask used by case can also promote the degrees of fusion of LED screen and surrounding enviroment, expand the usage scenario of LED screen, have
Effect reduces the spoilage that LED screen repeats dismounting.
Detailed description of the invention
Fig. 1 is the explosive view of LED screen in a kind of LED screen of band leaded light mask of the present invention and preparation method thereof；
Fig. 2 is the structural representation of guide-lighting mask in a kind of LED screen of band leaded light mask of the present invention and preparation method thereof
Figure；
Fig. 3 is in a kind of LED screen of band leaded light mask of the present invention and preparation method thereof, and PCB substrate and guide-lighting mask paste
Structural schematic diagram after conjunction；
Fig. 4-6 is in a kind of LED screen of band leaded light mask of the present invention and preparation method thereof, and the process of production method is illustrated
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
For the above-mentioned problems in the prior art, LED screen and its production side of a kind of band leaded light mask are now provided
Method is applied to LED display technical field, and specific technical solution is as follows:
A kind of LED screen of band leaded light mask specifically includes as shown in Figs. 1-2:
PCB substrate 1, the upper surface of PCB substrate 1 are provided with multiple equally distributed screw through-holes 11 and lamp bead mounting hole
Multiple LED lamp beads 2, LED lamp bead 2 and lamp bead mounting hole correspond, and are fixedly installed on corresponding lamp bead mounting hole
It is interior；
Guide-lighting mask 3, guide-lighting mask 3 are provided with multiple equally distributed positioning screw holes 31 and guide-lighting through-hole 32；
The shape of guide-lighting mask 3 and the shape of PCB substrate 1 are adapted；
The position of positioning screw hole 31 and screw through-hole 11 corresponds；
Guide-lighting through-hole 32 and the position of LED lamp bead 2 correspond；
Multiple set screws 4, set screw 4 and screw through-hole 11 correspond, by passing through screw through-hole 11 and fixing
Guide-lighting mask 3 is fitted closely fixation with PCB substrate 1 by the mode for being connected to positioning screw hole 31.
As preferred embodiment, this kind of LED screen, wherein also using bonding between PCB substrate 1 and guide-lighting mask 3
Agent is bonded.
In a preferred embodiment of the invention, also carried out using adhesive between PCB substrate 1 and guide-lighting mask 3 be bonded:
It is fixed if set screw 4 is used only, is easy to be difficult to fit closely so that existing between PCB substrate 1 and guide-lighting mask 3
Gap influences service life so as to cause the foreign matters such as dust are easily accessible in use.
As preferred embodiment, this kind of LED screen, as shown in figure 3, the wherein patch of PCB substrate 1 and guide-lighting mask 3
Processing is packaged using colloid 5 at conjunction.
In another preferred embodiment of the present invention, although set screw 4 is used to make guide-lighting mask 3 and PCB substrate 1 tight
Closely connected conjunction is fixed, but joint place still easily remains the gap of one fixed width, and the waterproof moisture-proof effect of LED screen entirety is caused to be cut
It is weak；So being packaged place using 5 pairs of fitting gaps of colloid of epoxy resin or silica gel etc. in above-mentioned preferred embodiment
Reason, to achieve the effect that waterproof and dampproof.
As preferred embodiment, this kind of LED screen, wherein the substrate of guide-lighting mask 3 is opaque material；
Opaque material includes cement, synthetic resin, plank, metal plate, plastic plate and glass mat.
In a preferred embodiment of the invention, guide-lighting mask 3 is made of opaque material.Because guide-lighting mask 3
Substrate is opaque material, therefore the refraction of the edge joint position dull thread of every adjacent cells, would not also generate visual obvious seam
Gap sense and reflective phenomenon, simultaneously because the material of guide-lighting mask 3 can promote its appearance diversity, and can mention there are many selection
This kind of LED screen is risen in the degrees of fusion of surrounding enviroment, the texture for solving conventional LED screen material surface color single is asked
Topic.
As preferred embodiment, this kind of LED screen, wherein the substrate of guide-lighting mask is curable fluent material；
Fluent material includes cement and synthetic resin.
As preferred embodiment, this kind of LED screen, wherein the thickness of guide-lighting mask 3 is greater than 15mm.
In another preferred embodiment of the present invention, the thickness of guide-lighting mask 3 can be according to used space enrironment and institute
The degree of wear that the foreign impacts received can suffer from and adjust thickness, when to be used in flow of the people vehicle flowrate big for this kind of LED screen
When ground environment, can by the thickness of guide-lighting mask 3 be arranged to more than 15mm in the range of, with ensure LED screen use the longevity
Life and reliability.
Particularly, it since LED screen is there are huge leasing market, is easy to appear to touch in frequent disassembly process and knocks institute
Caused screen damage, causes unnecessary loss, and using thickness is more than that the guide-lighting mask of high intensity of certain threshold value is prevented
Shield can protect fragile LED screen well；Leaded light under the scene for needing to repeat dismounting, in above-mentioned preferred embodiment
Mask can be very big reduction LED screen spoilage.
As preferred embodiment, this kind of LED screen, wherein the inner wall of guide-lighting through-hole 32 is coated with reflectorized material.
In another preferred embodiment of the present invention, the inner wall of guide-lighting through-hole 32 is coated with reflectorized material, can reflect LED light
The light that pearl 2 dissipates around plays the role of converging light and then improves LED screen screen display effect.
Particularly, above-mentioned reflectorized material includes electrodeposited chromium, electrotinning and electrosilvering.
As preferred embodiment, this kind of LED screen, wherein being filled with high-transmittance material in guide-lighting through-hole 32；
The value range of the light transmittance of high-transmittance material is [40%, 99%].
In another preferred embodiment of the present invention, it is filled in guide-lighting through-hole 32 using the material of high-transmittance,
The display effect of LED screen is further improved while ensureing LED screen sealing performance.
Particularly, above-mentioned high-transmittance material includes epoxy resin, silica gel and transparent plastic.
As preferred embodiment, this kind of LED screen, wherein guide-lighting through-hole 32 has been implanted into optical material, light guide
The surface of material is packaged processing using colloid；
Optical material includes optical fiber, light-guiding pillar and light pipe.
In another preferred embodiment of the present invention, the hole that guide-lighting through-hole is not arranged merely, but it has been implanted packet
Include the optical material including optical fiber, light pipe and light-guiding pillar, to LED lamp bead 2 issue light play preferably conducting and
Convergence effect；The entirety of LED screen can preferably be promoted by being packaged processing using colloid to the surface of optical material simultaneously
Leakproofness.
A kind of production method of LED screen, the LED screen applied to above-mentioned any one band leaded light mask；
Before production method starts, a PCB substrate, a guide-lighting mask substrate and multiple LED lamp beads, PCB base are preset
The upper surface of plate is provided with multiple equally distributed screw through-holes and lamp bead mounting hole, and guide-lighting mask substrate is opaque hard
Plate；
Production method includes the following steps:
LED lamp bead is fixedly installed in lamp bead mounting hole by step S1 correspondingly；
Step S2 cuts guide-lighting mask substrate according to the size of PCB substrate, the guide-lighting mask substrate after cutting
The size of size and PCB substrate is adapted；
Step S3 is punched according to the setting position of LED lamp bead and screw through-hole, is obtained on guide-lighting mask substrate
Multiple corresponding guide-lighting through-holes and positioning screw hole；
Step S4 plates reflectorized material in the inner wall of guide-lighting through-hole；
Step S5, in filling high-transmittance material, the guide-lighting mask completed the process in guide-lighting through-hole；
Step S6 will be guide-lighting by way of passing through screw through-hole and being fixedly connected on positioning screw hole using set screw
Mask and PCB substrate fit closely fixation；
Step S7 is packaged processing using colloid in the joint place of PCB substrate and guide-lighting mask to get to light guiding surface
The LED screen of cover.
It now provides a specific embodiment the technical program is further explained and is illustrated:
In the first embodiment of the present invention, it takes the lead in being arranged in determining PCB substrate according to the position of lamp bead mounting hole
Good LED lamp bead；Opaque hard plate material is then selected, the hard plate material is first cut into size identical with PCB substrate, then
In being punched on hard plate material according to the corresponding position of LED lamp bead and screw through-hole；Punching when, to ensure guide-lighting through-hole with
LED lamp bead corresponds and size is mutually fitted, and guarantees that the pixel lamp pearly-lustre line of LED screen can be transmitted through leaded light through guide-lighting through-hole
The another side of mask, and then effectively eliminate moire fringes and increase visible angle；It is then plated on the inner wall of guide-lighting through-hole anti-
Luminescent material, this kind of reflectorized material can be electrodeposited chromium, be also possible to electrosilvering or electrotinning, and then inject in guide-lighting through-hole
High-transmittance material is filled；The mode collective effect that finally the guide-lighting mask made is screwed and is bonded with
Realization fits closely, and is packaged to the gap after fitting using colloid, so that this kind of LED screen be made.
A kind of production method of LED screen, the LED screen applied to above-mentioned any one band leaded light mask；
Before production method starts, a PCB substrate, a guide-lighting mask substrate and multiple LED lamp beads, PCB base are preset
The upper surface of plate is provided with multiple equally distributed screw through-holes and lamp bead mounting hole, and guide-lighting mask substrate is opaque hard
Plate；
Production method includes the following steps:
LED lamp bead is fixedly installed in lamp bead mounting hole by step S1 correspondingly；
Step S2 cuts guide-lighting mask substrate according to the size of PCB substrate, the guide-lighting mask substrate after cutting
The size of size and PCB substrate is adapted；
Step S3 is punched according to the setting position of LED lamp bead and screw through-hole, is obtained on guide-lighting mask substrate
Multiple corresponding guide-lighting through-holes and positioning screw hole；
Step S4 is implanted into optical material in guide-lighting through-hole；
Step S5 is packaged processing using colloid in the surface of optical material, the guide-lighting mask completed the process；
Step S6 will be guide-lighting by way of passing through screw through-hole and being fixedly connected on positioning screw hole using set screw
Mask and PCB substrate fit closely fixation；
Step S7 is packaged processing using colloid in the joint place of PCB substrate and guide-lighting mask to get to light guiding surface
The LED screen of cover.
It now provides another specific embodiment the technical program is further explained and is illustrated:
In the second embodiment of the present invention, it is different from above-mentioned first embodiment, using light guides such as implantation fiber optic materials
The mode of material is alternatively to the packing material of filling high-transmittance in guide-lighting through-hole, and blend compounds body is sealed on the surface of fiber optic materials
Dress processing, compares above-mentioned first embodiment, using optical material is more conducive to that the light that LED lamp bead issues is guided and converged
Poly-, guide-lighting performance is more preferably.
A kind of production method of LED screen, the LED screen applied to above-mentioned any one band leaded light mask；
Before production method starts, a PCB substrate, a guide-lighting mask substrate and multiple LED lamp beads, PCB base are preset
The upper surface of plate is provided with multiple equally distributed screw through-holes and lamp bead mounting hole, and guide-lighting mask substrate is curable fluid
Material；
Production method includes the following steps:
LED lamp bead is fixedly installed in lamp bead mounting hole by step S1 correspondingly；
Curable fluent material is placed in a mold adaptable with the size of PCB substrate by step S2；
Step S3 is inserted into optical material according to the setting position of LED lamp bead on uncured fluent material；
Step S4 waits fluent material to be fully cured, is punched according to the setting position of screw through-hole, obtain multiple phases
The positioning screw hole answered；
Step S5 carries out grinding process, the guide-lighting mask completed the process to the surface of cured fluent material；
Step S6 will be guide-lighting by way of passing through screw through-hole and being fixedly connected on positioning screw hole using set screw
Mask and PCB substrate fit closely fixation；
Step S7 is packaged processing using colloid in the joint place of PCB substrate and guide-lighting mask to get to light guiding surface
The LED screen of cover.
It now provides another specific embodiment the technical program is further explained and is illustrated:
In the third embodiment of the present invention, it is different from above-mentioned first embodiment and second embodiment, using curable
Fluent material substitutes making material of the opaque hard plate material as guide-lighting mask, and curable fluent material includes cement
And synthetic resin；In the third embodiment, above-mentioned fluent material is selected to put it into mold identical with PCB substrate size,
Then by optical materials such as the same position insertion optical fiber of LED lamp bead arrangement, light pipe, light-guiding pillars, the fluid material is waited until
After material is fully cured, doing grinding process to molding guide-lighting mask surface can be completed the production of guide-lighting mask；Compared to above-mentioned
First embodiment and second embodiment are selected curable fluent material and the method using integrated molding, are not only eliminated
The operation of guide-lighting through-hole is played, also can avoid causing hard plate material the thin trace that cracks occur because punching excessively intensively, be suitble to electronization
Flow line production, can be further simplified the production process of LED screen, while promote its service life.
In conclusion being able to ascend the waterproof of LED screen, moisture-proof, anti-external shock power and high abrasion by the technical program
The performance of degree, while visual splicing seams and light transmission situation can be effectively eliminated, promote LED screen uses sense organ.In addition,
Leaded light mask used by the technical program can also promote the degrees of fusion of LED screen and surrounding enviroment, expand the use of LED screen
Scene effectively reduces the spoilage that LED screen repeats dismounting.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of LED screen of band leaded light mask characterized by comprising
PCB substrate, the upper surface of the PCB substrate are provided with multiple equally distributed screw through-holes and lamp bead mounting hole；
Multiple LED lamp beads, the LED lamp bead and the lamp bead mounting hole correspond, and are fixedly installed on the corresponding lamp bead
In mounting hole；
Guide-lighting mask, the light guiding surface, which is provide with, is equipped with multiple equally distributed positioning screw holes and guide-lighting through-hole；
The shape of the leaded light mask and the shape of the PCB substrate are adapted；
The position of the positioning screw hole and the screw through-hole corresponds；
The position of the leaded light through-hole and the LED lamp bead corresponds；
Multiple set screws, the set screw and the screw through-hole correspond, by across the screw through-hole and admittedly
The guide-lighting mask and the PCB substrate are fitted closely fixation by the mode for being connected to the positioning screw hole surely.
2. LED screen as described in claim 1, which is characterized in that the PCB substrate and the joint place of the guide-lighting mask make
Processing is packaged with colloid.
3. LED screen as described in claim 1, which is characterized in that the substrate of the leaded light mask is opaque material.
4. LED screen as described in claim 1, which is characterized in that the substrate of the leaded light mask is curable fluid material
Material.
5. LED screen as described in claim 1, which is characterized in that the inner wall of the leaded light through-hole is coated with reflectorized material.
6. LED screen as described in claim 1, which is characterized in that be filled with high-transmittance material in the leaded light through-hole；
The value range of the light transmittance of the high-transmittance material is [40%, 99%].
7. LED screen as described in claim 1, which is characterized in that the leaded light through-hole has been implanted into optical material, described to lead
The surface of luminescent material is packaged processing using colloid.
8. a kind of production method of LED screen, which is characterized in that be used to form the guide-lighting mask of band as described in claim 1
LED screen；
A PCB substrate is preset, a guide-lighting mask substrate and multiple LED lamp beads, the upper surface of the PCB substrate are provided with more
A equally distributed screw through-hole and lamp bead mounting hole, the leaded light mask substrate is opaque hard plate material；
The production method includes the following steps:
The LED lamp bead is fixedly installed in the lamp bead mounting hole by step S1 correspondingly；
Step S2 cuts the guide-lighting mask substrate according to the size of the PCB substrate, the light guiding surface after cutting
The size of the size of cover substrate and the PCB substrate is adapted；
Step S3 is beaten on the guide-lighting mask substrate according to the setting position of the LED lamp bead and the screw through-hole
Hole obtains multiple corresponding guide-lighting through-holes and positioning screw hole；
Step S4 plates reflectorized material in the inner wall of the guide-lighting through-hole；
Step S5, in filling high-transmittance material, the guide-lighting mask completed the process in the guide-lighting through-hole；
Step S6 will by way of passing through the screw through-hole and being fixedly connected on the positioning screw hole using set screw
The leaded light mask and the PCB substrate fit closely fixation；
The joint place of step S7, Yu Suoshu PCB substrate and the guide-lighting mask is packaged processing using colloid to get described in
LED screen with guide-lighting mask.
9. a kind of production method of LED screen, which is characterized in that be used to form the guide-lighting mask of band as described in claim 1
LED screen；
Before the production method starts, a PCB substrate, a guide-lighting mask substrate and multiple LED lamp beads are preset, it is described
The upper surface of PCB substrate is provided with multiple equally distributed screw through-holes and lamp bead mounting hole, and the leaded light mask substrate is not
Transparent hard plate material；
The production method includes the following steps:
The LED lamp bead is fixedly installed in the lamp bead mounting hole by step S1 correspondingly；
Step S2 cuts the guide-lighting mask substrate according to the size of the PCB substrate, the light guiding surface after cutting
The size of the size of cover substrate and the PCB substrate is adapted；
Step S3 is beaten on the guide-lighting mask substrate according to the setting position of the LED lamp bead and the screw through-hole
Hole obtains multiple corresponding guide-lighting through-holes and positioning screw hole；
Step S4 is implanted into optical material in the guide-lighting through-hole；
The surface of step S5, Yu Suoshu optical material is packaged processing using colloid, the guide-lighting mask completed the process；
Step S6 will by way of passing through the screw through-hole and being fixedly connected on the positioning screw hole using set screw
The leaded light mask and the PCB substrate fit closely fixation；
The joint place of step S7, Yu Suoshu PCB substrate and the guide-lighting mask is packaged processing using the colloid to get arriving
The LED screen of the band leaded light mask.
10. a kind of production method of LED screen, which is characterized in that be used to form the guide-lighting mask of band as described in claim 1
LED screen；
Before the production method starts, a PCB substrate, a guide-lighting mask substrate and multiple LED lamp beads are preset, it is described
The upper surface of PCB substrate is provided with multiple equally distributed screw through-holes and lamp bead mounting hole, and the leaded light mask substrate is can
Cured fluent material；
The production method includes the following steps:
The LED lamp bead is fixedly installed in the lamp bead mounting hole by step S1 correspondingly；
The curable fluent material is placed in a mold adaptable with the size of the PCB substrate by step S2；
Step S3 is inserted into optical material according to the setting position of the LED lamp bead on the uncured fluent material；
Step S4 waits the fluent material to be fully cured, and carries out punch out step according to the setting position of the screw through-hole, obtains
To multiple corresponding positioning screw holes；
Step S5 carries out grinding process, the guide-lighting mask completed the process to the surface of the cured fluent material；
Step S6 will by way of passing through the screw through-hole and being fixedly connected on the positioning screw hole using set screw
The leaded light mask and the PCB substrate fit closely fixation；
The joint place of step S7, Yu Suoshu PCB substrate and the guide-lighting mask is packaged processing using colloid to get described in
LED screen with guide-lighting mask.
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| CN201910913022.XA CN110534032A (en) | 2019-09-25 | 2019-09-25 | A kind of LED screen and preparation method thereof of band leaded light mask |
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Cited By (1)
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| CN110910776A (en) * | 2019-12-17 | 2020-03-24 | 威创集团股份有限公司 | Method and device for processing splicing seams of spliced display screen |
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