CN109655949A - It is a kind of uniformly to go out light diffusing sheet structure and its manufacturing method - Google Patents
It is a kind of uniformly to go out light diffusing sheet structure and its manufacturing method Download PDFInfo
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- CN109655949A CN109655949A CN201910132065.4A CN201910132065A CN109655949A CN 109655949 A CN109655949 A CN 109655949A CN 201910132065 A CN201910132065 A CN 201910132065A CN 109655949 A CN109655949 A CN 109655949A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 58
- 239000011159 matrix material Substances 0.000 claims abstract description 129
- 238000009826 distribution Methods 0.000 claims abstract description 39
- 238000000265 homogenisation Methods 0.000 claims abstract description 29
- 238000009792 diffusion process Methods 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims description 44
- 230000003287 optical effect Effects 0.000 claims description 32
- 238000005507 spraying Methods 0.000 claims description 24
- 238000005530 etching Methods 0.000 claims description 18
- 238000005282 brightening Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000010147 laser engraving Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000012876 carrier material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
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- 239000000203 mixture Substances 0.000 claims description 4
- 239000010980 sapphire Substances 0.000 claims description 4
- 229910052594 sapphire Inorganic materials 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- 238000003486 chemical etching Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
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- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 235000010215 titanium dioxide Nutrition 0.000 claims 1
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- 239000004408 titanium dioxide Substances 0.000 description 2
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0263—Diffusing elements; Afocal elements characterised by the diffusing properties with positional variation of the diffusing properties, e.g. gradient or patterned diffuser
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Uniformly go out light diffusing sheet structure and its manufacturing method, including light source dot matrix the present invention relates to a kind of, there is at least one main light-emitting surface；Layer is homogenized, for carrying out optics diffusion to the light projected from main light-emitting surface, the homogenization layer is arranged on the extending direction of the main light-emitting surface light direction；Carrier is adjusted, the adjusting carrier is no more than the main light-emitting surface of light source dot matrix and homogenization layer on main light-emitting surface light direction；Brightness regulation figure, the brightness regulation figure is arranged in the form of non-all standing is adjusting carrier surface, the brightness regulation figure are as follows: with the bright dark figure of two dimension formed by light distribution difference on light source light-emitting surface for projection object, project to adjusting carrier surface and be formed by figure or reverted image figure；Brightness regulation figure is no more than the main light-emitting surface surface of the light source dot matrix on main light-emitting surface light direction and homogenizes the lower surface of layer.The present invention has the advantages that the present invention can guarantee that diffusion board structure uniform in light emission is consistent.
Description
Technical field
The present invention relates to a kind of semi-conductor photoelectronic and optical field, in particular to it is a kind of uniformly go out light diffusing sheet structure and
Its manufacturing method.
Background technique
It is well known that existing light source, is largely point light source, from point light source to area source, there have been non-uniform
Light emitting source, some atomizations sacrifice brightness, and light emission rate reduces, and have change to uniformity, although existing diffuser plate type
It is various, but the uniformity consistency without thoroughly solving the problems, such as light.With the improvement of living standards, demand of the people to light culture is also got over
Carry out the light uniformity higher, people's requirement is emitted, light extraction efficiency wants high, and more Bao Yuehao, this becomes the coke of LED industry concern
Point.
There are certain drawbacks when in use in the light emitting structures of existing diffuser plate, after point light source is lighted, diffuser plate warp
It crosses obtained light after diffusion and cannot reach and uniformly go out light, it is inconsistent light mixing occur, with the presence of clear zone and dark space, brings when in use
Certain influence；For this purpose, the present invention, which proposes that a kind of diffusion board structure of innovation is realized, uniformly goes out light.
Summary of the invention
Uniformly go out light diffusing sheet structure the technical problem to be solved in the present invention is to provide a kind of, it is therefore an objective to solve uniform in light emission
The problem of consistency, also provides the manufacturing method for uniformly going out light diffusing sheet structure.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of uniformly go out light diffusing sheet structure, innovative point
It is: including
Light source dot matrix has at least one main light-emitting surface；
Layer is homogenized, for carrying out optics diffusion to the light projected from main light-emitting surface, the homogenization layer is arranged in institute
On the extending direction for stating main light-emitting surface light direction；
Adjust carrier, the adjustings carrier on main light-emitting surface light direction be no more than the main light-emitting surface of light source dot matrix and
Homogenize layer；
Brightness regulation figure, the brightness regulation figure is arranged in the form of non-all standing is adjusting carrier surface, this is bright
Degree adjusts figure are as follows: with the bright dark figure of two dimension formed by light distribution difference on light source light-emitting surface for projection object, projection
Figure or reverted image figure are formed by carrier surface is adjusted；
Brightness regulation figure on main light-emitting surface light direction be no more than the main light-emitting surface surface of the light source dot matrix and uniformly
Change the lower surface of layer.
Further, the brightness regulation figure is the figure for the density distribution being made of optics spread powder.
Further, the optics spread powder is that transparent and refractive index is greater than with the refractive index for adjusting carrier material
20% transparent grain.
Further, the optics spread powder be titanium dioxide, silica dioxide granule, silicon nitride, amide, fluoropolymer resin,
Any one in heat-conducting plastic particle or two kinds and two or more mixtures.
Further, the brightness regulation figure is the optical brightening micro-structure formed on adjusting carrier, the optics
The surface adjusted in carrier by being emitted in the low medium of refractive index in the high medium of refractive index is arranged in blast micro-structure.
Further, the optical brightening micro-structure is that transparent and refractive index and the refractive index of adjusting carrier material are small
In the raised particle of 10% transparent micro-nano-scale, and without sky between the raised particle of micro-nano-scale and adjusting carrier substrate
Gap.
Further, the optical brightening micro-structure is the pit of micro-nano-scale.
Further, the adjusting carrier is homogenization layer, brightness regulation figure setting on homogenization layer towards
One side surface of main light-emitting surface.
Further, the adjusting carrier is light source dot matrix, and the master that light source dot matrix is arranged in the brightness regulation figure goes out
In smooth surface.
Further, it is described adjust carrier be arranged in the main light-emitting surface of light source dot matrix and homogenize layer between adjustable plate or
Adjusting film.
Further, the material for adjusting carrier is PMMA, PC, PS, PI, transparent plastic, glass, sapphire or silica gel
In any one.
A kind of to realize the above-mentioned manufacturing method for uniformly going out light diffusing sheet structure, innovative point is: the manufacturing method master
There is the adjusting carrier of brightness regulation figure for production,
Photosurface is set on the light direction of the main light-emitting surface of light source dot matrix first, the photosurface to light source dot matrix master goes out light
The distance in face is denoted as H1, adjusts brightness regulation figure to be produced on carrier and is denoted as H2 away from the distance of the main light-emitting surface of light source dot matrix,
So that H1=H2；
Secondly, optical exposure or scanning are carried out to the light source dot matrix after lighting using lighting apparatus on the basis of photosurface,
Obtain the light distribution information of the main light-emitting surface of light source dot matrix；
Then, graphic making equipment makes brightness regulation figure to the surface for adjusting carrier by light distribution information.
Further, the graphic making equipment is to dim graphic making equipment.
Further, the graphic making equipment that dims is printing device, copier, spraying equipment, puts black equipment, point
Gluing equipment.
Further, the graphic making equipment is to lighten graphic making equipment.
Further, the graphic making equipment that lightens is printing device, laser engraving equipment, spraying equipment, dispensing, needle
Thorn, coining or etching apparatus.
A kind of to realize the above-mentioned manufacturing method for uniformly going out light diffusing sheet structure, innovative point is: the manufacturing method master
There is the adjusting carrier of brightness regulation figure for mass production,
Step S1: firstly, the light source dot matrix that selection is qualified；
Step S2: then, photosurface is set on the light direction of the qualified main light-emitting surface of light source dot matrix, the photosurface is extremely
The distance of the main light-emitting surface of light source dot matrix is denoted as H1, adjusts brightness regulation figure to be produced on carrier away from the main light-emitting surface of light source dot matrix
Distance be denoted as H2 so that H1=H2；
Step S3: secondly, on the basis of photosurface, optical exposure is carried out to the light source dot matrix after lighting using lighting apparatus
Or scanning, obtain the light distribution information of the qualified main light-emitting surface of light source dot matrix；
Step S4: then, graphic making equipment passes through the light distribution information of qualified light source dot matrix in the table for adjusting carrier
Wheat flour makees brightness regulation figure；
Step S5: the mass production that carrier is adjusted in step S4 is repeated.
Further, the graphic making equipment is to dim graphic making equipment.
Further, the graphic making equipment that dims is printing device, copier, spraying equipment, puts black equipment, point
Gluing equipment.
Further, the graphic making equipment is to lighten graphic making equipment.
Further, the graphic making equipment that lightens is printing device, laser engraving equipment, spraying equipment, dispensing, needle
Thorn, coining or etching apparatus.
A kind of to realize the above-mentioned manufacturing method for uniformly going out light diffusing sheet structure, innovative point is: the manufacturing method master
There is the adjusting carrier of brightness regulation figure for production,
Photosurface is set on the light direction of the main light-emitting surface of light source dot matrix first, the photosurface to light source dot matrix master goes out light
The distance in face is denoted as H1, adjusts brightness regulation figure to be produced on carrier and is denoted as H2 away from the distance of the main light-emitting surface of light source dot matrix,
So that H1=H2；Meanwhile the entire surface of brightness regulation figure to be produced sprays optics spread powder on adjusting carrier；
Secondly, optical exposure or scanning are carried out to the light source dot matrix after lighting using lighting apparatus on the basis of photosurface,
Obtain the light distribution information of the main light-emitting surface of light source dot matrix；
Then, etching apparatus is carved by light distribution information to the surface for being coated with optics spread powder on carrier is adjusted
Erosion removes partial optical spread powder, obtains brightness regulation figure.
Further, the etching apparatus is laser engraving equipment, needle thorn, scraper or chemical etching equipment.
A kind of to realize the above-mentioned manufacturing method for uniformly going out light diffusing sheet structure, innovative point is: the manufacturing method master
There is the adjusting carrier of brightness regulation figure for mass production,
Step S1: firstly, the light source dot matrix that selection is qualified；
Step S2: photosurface is set on the light direction of the qualified main light-emitting surface of light source dot matrix, the photosurface to light source
The distance of the main light-emitting surface of dot matrix is denoted as H1, adjust brightness regulation figure to be produced on carrier away from the main light-emitting surface of light source dot matrix away from
From H2 is denoted as, so that H1=H2；Meanwhile on adjusting carrier brightness regulation figure to be produced entire surface spraying optics diffusion
Powder；
Step S3: secondly, on the basis of photosurface, optical exposure is carried out to the light source dot matrix after lighting using lighting apparatus
Or scanning, obtain the light distribution information of the main light-emitting surface of light source dot matrix；
Step S4: then, etching apparatus is by light distribution information to the table for being coated with optics spread powder on adjusting carrier
Face performs etching, and removes partial optical spread powder, obtains brightness regulation figure；
Step S5: the mass production that carrier is adjusted in step S4 is repeated.
The present invention has the advantages that
(1) the invention proposes a kind of structures simply uniformly to go out light diffusing sheet structure, main component are as follows: light source dot matrix,
It homogenizes layer, adjust carrier, brightness regulation figure；Light diffusing sheet structure is uniformly gone out using of the invention, reaches uniform in light emission one
The effect of cause may further realize that high uniformity, ultra-thin area source are shown；Meanwhile light diffusion is uniformly gone out using of the invention
Hardened structure can effectively improve reduction manufacturing cost, improve production efficiency；
(2) present invention uniformly goes out the manufacturing method of light diffusing sheet structure, collects the bright dark information of light source by lighting apparatus
Afterwards, to processing on adjusting carrier, brightness regulation figure is obtained；And it proposes and can be made with mass with brightness regulation figure
The method of shape.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram that embodiment 1 uniformly goes out light diffusing sheet structure.
Fig. 2 is another structural schematic diagram that embodiment 1 uniformly goes out light diffusing sheet structure.
Fig. 3 is a kind of structural schematic diagram that embodiment 2 uniformly goes out light diffusing sheet structure.
Fig. 4 is another structural schematic diagram that embodiment 2 uniformly goes out light diffusing sheet structure.
Fig. 5 is a kind of structural schematic diagram that embodiment 3 uniformly goes out light diffusing sheet structure.
Fig. 6 is another structural schematic diagram that embodiment 3 uniformly goes out light diffusing sheet structure.
Fig. 7 is the manufacturing flow chart that embodiment 1 uniformly goes out light diffusing sheet structure.
Fig. 8 is the manufacturing flow chart that embodiment 1 uniformly goes out light diffusing sheet structure.
Fig. 9 is the manufacturing flow chart that embodiment 3 uniformly goes out light diffusing sheet structure.
Figure 10 is the manufacturing flow chart that embodiment 3 uniformly goes out light diffusing sheet structure.
Specific embodiment
Embodiment 1
The present embodiment uniformly goes out light diffusing sheet structure, as shown in Figure 1, including
Light source dot matrix 1 has at least one main light-emitting surface；
Layer 2 is homogenized, for carrying out optics diffusion to the light projected from main light-emitting surface, homogenization layer 2 is arranged in light source
On the extending direction of the main light-emitting surface light direction of dot matrix 1；
Carrier 3 is adjusted, adjusts and is located at the main light-emitting surface of light source point battle array 1 and homogenization layer on the main light-emitting surface light direction of carrier 3
Between；
Brightness regulation figure 4, brightness regulation figure 4 is arranged in the form of non-all standing is adjusting 3 upper surface of carrier, this is bright
Degree adjusts figure are as follows: with the bright dark figure of two dimension formed by light distribution difference on light source light-emitting surface for projection object, projection
Figure or reverted image figure are formed by carrier surface is adjusted；
Brightness regulation figure 4 is no more than the main light-emitting surface surface of light source dot matrix 1 and homogenization on main light-emitting surface light direction
The lower surface of layer.
Certainly it will be understood by those skilled in the art that brightness regulation figure 4 can not only be provided at the following table for adjusting carrier 3
Face also can be set in the upper surface for adjusting carrier 3, as shown in Fig. 2, even, can be arranged in simultaneously adjust carrier 3 it is upper,
Lower surface.
In the present embodiment, adjusting carrier 3 is the adjustable plate being arranged between the main light-emitting surface of light source dot matrix 1 and homogenization layer 2
Or adjusting film, and the material for adjusting carrier 3 is PMMA, PC, PS, PI, transparent plastic, glass, sapphire or silica gel；Brightness regulation
Figure 4 is the figure for the density distribution being made of optics spread powder.Wherein, optics spread powder is that transparent and refractive index and adjusting carry
The refractive index of body material be greater than 20% transparent grain, due to optics spread powder and adjust carrier refractive index compared with
Greatly, diffusion is refracted when from the light that the main light-emitting surface of light source dot matrix issues using optics spread powder.
As the more specific embodiment of the present embodiment: optics spread powder is titanium dioxide, silica dioxide granule, silicon nitride
Any one in grain or two kinds and two or more mixtures.
Embodiment 2
The structure of the present embodiment and the structure of embodiment 1 are essentially identical, as shown in figure 3, including
Light source dot matrix 1 has at least one main light-emitting surface；
Layer 2 is homogenized, for carrying out optics diffusion to the light projected from main light-emitting surface, homogenization layer 2 is arranged in light source
On the extending direction of the main light-emitting surface light direction of dot matrix 1；
Carrier 3 is adjusted, carrier 3 is adjusted and is located at the main light-emitting surface of light source point battle array 1 and homogenization on main light-emitting surface light direction
Between layer；
Brightness regulation figure 4, brightness regulation figure 4 is arranged in the form of non-all standing is adjusting 3 surface of carrier, the brightness
Adjust figure 4 are as follows: with the bright dark figure of two dimension formed by light distribution difference on light source light-emitting surface for projection object, project to
It adjusts 3 surface of carrier and is formed by figure or reverted image figure；
Brightness regulation figure 4 is no more than the main light-emitting surface surface of light source dot matrix 1 and homogenization on main light-emitting surface light direction
The lower surface of layer 2.
In the present embodiment, adjusting carrier 3 is the adjustable plate being arranged between the main light-emitting surface of light source dot matrix 1 and homogenization layer 2
Or adjusting film, and the material for adjusting carrier is PMMA, PC, PS, PI, transparent plastic, glass, sapphire or silica gel；Brightness regulation
Figure 4 is the optical brightening micro-structure formed on adjusting carrier 3, and optical brightening micro-structure, which is generally arranged at, to be adjusted in carrier 3
By a surface being emitted in the low medium of refractive index in the high medium of refractive index, the upper of carrier 3 is adjusted in the present embodiment
Surface.
As the more specific embodiment of embodiment: optical brightening micro-structure is transparent and refractive index and adjusting carrier material
Transparent micro-nano-scale of the refractive index less than 10% raised particle, and the raised particle of nanoscale and adjust carrier
Tight between substrate.Convergence is refracted when the light issued from the main light-emitting surface of light source dot matrix is using optics spread powder.
Certainly it will be understood by those skilled in the art that the optical brightening micro-structure directly can also adjust carrier surface shape
At micro-nano-scale pit, referring to fig. 4.
Embodiment 3
The present embodiment uniformly goes out light diffusing sheet structure, as shown in figure 5, including
Light source dot matrix 1 has at least one main light-emitting surface；
Layer 2 is homogenized, for carrying out optics diffusion to the light projected from main light-emitting surface, homogenization layer 2 is arranged in light source
On the extending direction of the main light-emitting surface light direction of dot matrix 1；
Adjust carrier 3, adjust carrier 3 on main light-emitting surface light direction be no more than the main light-emitting surface of light source dot matrix 1 and uniformly
Change layer；
Brightness regulation figure 4, brightness regulation figure 4 is arranged in the form of non-all standing is adjusting 3 surface of carrier, the brightness
Adjust figure 4 are as follows: with the bright dark figure of two dimension formed by light distribution difference on light source light-emitting surface for projection object, project to
It adjusts 3 surface of carrier and is formed by figure or reverted image figure；
Brightness regulation figure 4 is no more than the main light-emitting surface surface of light source dot matrix 1 and homogenization on main light-emitting surface light direction
The lower surface of layer.
In embodiment, carrier 3 is adjusted as the matrix for supporting brightness regulation figure 4, can be and be independently arranged at light
Adjustable plate or adjusting film between the main light-emitting surface of source point battle array 1 and homogenization layer 2, are also possible to that layer 2 or light source dot matrix 1 will be homogenized
Brightness regulation figure 4 is supported directly as carrier 3 is adjusted, as shown in figure 5, adjusting carrier 3 is homogenization layer 2, brightness regulation
The side surface towards main light-emitting surface on homogenization layer 2 is arranged in figure 4；Again as shown in fig. 6, adjusting carrier 3 is light source dot matrix
1, brightness regulation figure 4 is arranged on the main light-emitting surface of light source dot matrix 1.
Embodiment 4-- dispenser
For the present embodiment by taking one of embodiment 1 structure (shown in Fig. 2) as an example, which uniformly goes out light diffusing sheet structure
It mainly include that component makes and assembles, wherein the emphasis of the production non-present invention application of homogenization layer 2 itself, in industry
For well-known components, details are not described herein detailed making step, the present embodiment is mainly to make the tune with brightness regulation figure 4
Save carrier 3:
As shown in fig. 7, firstly, production product optical equivalence structure: pre-assembled or simulation assembles light source dot matrix and is somebody's turn to do wait make
Portioned product structure between the brightness regulation figure of work, and ensure that light source dot matrix can be lighted；It is specific as follows:
Make light source dot matrix 1 first: production 10*21mil chip, routinely technique is processed into upside-down mounting and is just plating 10*21mil core
Piece will expand film machine and be preheating to 60 degree, upside-down mounting is just being plated to 10*21 chip and is carrying out expansion film, is expanding adjacent chips spacing 29mil after film
(0.74mm).It is 48*25mm light source dot matrix, adjacent chips spacing that area is made on the flexible board having a size of 70*40*0.8mm
Chip is consolidated on flexible board with bonder, painting fluorescent powder, solidification, detection, sorting is carried out after solidification, forms 2*64 by 2.5mm
The light source dot matrix 1 of grain chip composition, 1 height 1.05mm of light source dot matrix.
Then 1 top of light source dot matrix is used as away from the diffuser plate that one layer of 0.3mm thickness is arranged at light-emitting surface 3mm adjusts carrier 3；
Distance of the brightness regulation figure 4 away from 1 light-emitting surface of light source dot matrix for needing to make, note are obtained according to the structure chart of product
Make H2；In the present embodiment, the upper surface for adjusting carrier 3, H2=3.3mm is arranged in 4 preparation of brightness regulation figure；
Then, a photosurface 5, the photosurface 5 to light source point are set on the light direction of the main light-emitting surface of light source dot matrix 1
The distance of 1 main light-emitting surface of battle array is denoted as H1, so that H1=3.3mm；
Light source dot matrix 1 is lighted, on the basis of photosurface, optical exposure or image scanning is carried out by lighting apparatus, obtained
Light distribution information at photosurface；Here the photosensitive first device for referring to acquisition image on lighting apparatus on the basis of photosurface 5
Part position is located at photosurface 5；Specifically: be scanned using camera it is photosensitive, and by the digital signal of light distribution information pass
Give spraying equipment.
Spraying equipment, which is generally divided into, dims or lightens graphic making equipment, dims graphic making equipment and is printing device, answers
Printing apparatus, spraying equipment put black equipment, spot gluing equipment；Lightening graphic making equipment is printing device, laser engraving equipment, spray
Automatic doubler surface glouer, dispensing, needle thorn, coining or etching apparatus.
In the present embodiment, spraying equipment uses dispenser；Dispensing or sprayed on material are selected according to actual needs in dispenser,
If desired lighten, can be used with the materials such as material, such as silica gel, PMMA that adjust carrier material refractive index close, if desired adjust
Secretly, such as the spread powder for containing adhesive can be used as sprayed on material；In the present embodiment, using dimming material.
The main program of dispenser again according to the digital signal of light distribution information received, according to light distribution information with
Design requirement comparison, such as: certain regional area brightness is more than the 30% of design requirement standard, then the regional area then needs to be arranged
For region to be dimmed；The excessively bright region for needing to dim of light is calibrated, then the region that the needs dim is explained in words with machine word
It is defeated by the control system of dispenser, the Glue dripping head by control system to dispenser issues action command, and Glue dripping head is just being adjusted
Region to be dimmed on carrier carries out dispensing, and (adjusting carrier here, which can be, to be already installed on above 1 light-emitting surface of light source dot matrix
At 3mm, be also possible on other stations to carry out), so by sprayed on material adjust carrier 3 on show to be formed it is bright
Degree adjusts figure 4.
Embodiment 5-- laser ablation subtraction (independence and mass)
For the present embodiment by taking one of embodiment 1 structure (shown in Fig. 2) as an example, which uniformly goes out light diffusing sheet structure
It mainly include that component makes and assembles, wherein details are not described herein as conventional production for light source dot matrix 1 and 2, layer of homogenization,
The present embodiment is mainly to make the adjusting carrier 3 with brightness regulation figure 4:
As shown in figure 8, firstly, production product equivalent structure, pre-assembled or simulation assembling light source dot matrix are to be produced with this
Portioned product structure between brightness regulation figure, and ensure that light source dot matrix can be lighted；
Meanwhile according to the structure chart of product obtain needing the brightness regulation figure 4 that makes away from 1 light-emitting surface of light source dot matrix away from
From being denoted as H2；
Then, a photosurface 5, the photosurface 5 to light source point are set on the light direction of the main light-emitting surface of light source dot matrix 1
The distance of 1 main light-emitting surface of battle array is denoted as H1, so that H1=H2；Meanwhile on adjusting carrier 3 brightness regulation figure to be produced surface
Integral spray optics spread powder；
Light source dot matrix 1 is lighted, on photosurface 5, optical exposure or image surface sweeping is carried out by lighting apparatus, obtained photosensitive
Light distribution information at face；
It is compared further according to light distribution information and design requirement, calibrates the region that light secretly needs to lighten excessively, then should
The region for needing to lighten is transferred to laser ablation equipment with computer language, by laser ablation equipment to adjust carrier on be coated with
The surface of optics spread powder carries out laser ablation, using the laser beam focus poling small light spot of laser ablation equipment, in focal point
Very high power density is formed, spread powder is made to be bonded in the adhesive for adjusting carrier surface in instant vaporization evaporation, so that optics
Spread powder falls off, and then removes the optics spread powder that the needs lighten region, and then obtains brightness regulation figure on adjusting carrier 3
Shape 4.
As the more specific embodiment of laser ablation in the present embodiment: when removing optics spread powder by laser beam,
Not only adhesive may make to evaporate, meanwhile, it can also be by properly increasing the energy of laser beam, but also the adjusting in region to be lightened
The evaporation of carrier surface material, forms pit or groove microstructure, using the pit or groove microstructure as brightening structure into one
Walk blast.
As the more specific embodiment of laser ablation in the present embodiment: the present embodiment can also be used in the tune for carrying out mass
Save carrier production:
Step S1: firstly, the light source dot matrix that selection is qualified；Here qualified light source dot matrix generally refers to: having several light
In the light source dot matrix in source, each light source can be lighted, and it is excessive lightness or darkness that some light source be not present, and the light-emitting surface of light source dot matrix does not have
There is scratch, be stained；
Step S2: and then photosurface is arranged on the light direction of the qualified main light-emitting surface of light source dot matrix in selection, this is photosensitive
The distance of face to the main light-emitting surface of light source dot matrix is denoted as H1, adjusts brightness regulation figure to be produced on carrier and goes out away from light source dot matrix master
The distance of smooth surface is denoted as H2, so that H1=H2；Meanwhile on adjusting carrier brightness regulation figure to be produced entire surface spraying
Optics spread powder；
Step S3: secondly, on the basis of photosurface, optical exposure is carried out to the light source dot matrix after lighting using lighting apparatus
Or scanning, obtain the light distribution information of the main light-emitting surface of light source dot matrix；
Step S4: then, laser ablation equipment by light distribution information to adjust carrier on be coated with optics spread powder
Surface perform etching, remove partial optical spread powder, obtain brightness regulation figure；
Step S5: the mass production that carrier is adjusted in step S4 is repeated.
Certainly, it is only exemplary for etching the laser ablation equipment of spread powder, is not limitation, etching apparatus
Or needle thorn, scraper or chemical etching equipment.
Embodiment 6-- addition mass
For the present embodiment by taking one of embodiment 3 structure (shown in Fig. 5) as an example, which uniformly goes out light diffusing sheet structure
It mainly include that component makes and assembles, wherein details are not described herein as conventional production for light source dot matrix 1 and 2, layer of homogenization,
The present embodiment is mainly to make the adjusting carrier 3 with brightness regulation figure 4:
As shown in figure 9, firstly, production product equivalent structure, pre-assembled or simulation assembling light source dot matrix are to be produced with this
Portioned product structure between brightness regulation figure, and ensure that light source dot matrix can be lighted；
Meanwhile according to the structure chart of product obtain needing the brightness regulation figure 4 that makes away from 1 light-emitting surface of light source dot matrix away from
From being denoted as H2；
Then, a photosurface 5, the photosurface 5 to light source point are set on the light direction of the main light-emitting surface of light source dot matrix 1
The distance of the main light-emitting surface of battle array is denoted as H1, so that H1=H2, i.e., photosurface 5 is on homogenization layer towards main light out in the present embodiment
One side surface in face, i.e. homogenization layer lower surface；
Light source dot matrix 1 is lighted, on photosurface 5, optical exposure or image surface sweeping is carried out by lighting apparatus, obtained photosensitive
Light distribution information at face；
It is compared further according to light distribution information and design requirement, calibrates the excessively bright region for needing to dim of light, then should
The region for needing to dim is transferred to spraying equipment with computer language, sprays upper spread powder in the region by spraying equipment, in turn
It shows to form brightness regulation figure 4 on adjusting carrier 3.
As embodiment more specific in the present embodiment: the adjusting carrier that the present embodiment can also be used to carry out mass is (equal
Homogenize layer) production:
Step S1: firstly, the light source dot matrix that selection is qualified；Select qualified light source dot matrix；Here qualified light source dot matrix
Generally refer to: with several light sources light source dot matrix in, each light source can be lighted, there is no some light source it is excessive lightness or darkness,
And the light-emitting surface of light source dot matrix does not have scratch, is stained；
Step S2: then, photosurface is set on the light direction of the qualified main light-emitting surface of light source dot matrix, the photosurface is extremely
The distance of the main light-emitting surface of light source dot matrix is denoted as H1, adjusts brightness regulation figure to be produced on carrier away from the main light-emitting surface of light source dot matrix
Distance be denoted as H2 so that H1=H2；
Step S3: secondly, on the basis of photosurface, optical exposure is carried out to the light source dot matrix after lighting using lighting apparatus
Or scanning, obtain the light distribution information of the qualified main light-emitting surface of light source dot matrix；
Step S4: then, spraying equipment passes through the light distribution information of qualified light source dot matrix in the surface system for adjusting carrier
Make brightness regulation figure；
Step S5: repeating step S4, is made by the mass that carrier is adjusted in spraying equipment.
Spraying equipment in the present embodiment, which is divided into, dims or lightens graphic making equipment, according to practical progress, dims figure
Making apparatus is printing device, copier, spraying equipment, puts black equipment, spot gluing equipment；Graphic making equipment is lightened as printing
Equipment, laser engraving equipment, spraying equipment, dispensing, needle thorn, coining or etching apparatus.
Embodiment 7-- duplicator addition
For the present embodiment by taking one of embodiment 3 structure (shown in Fig. 6) as an example, which uniformly goes out light diffusing sheet structure
It mainly include that component makes and assembles, wherein light source dot matrix 1 and homogenization 2, layer are as conventional production, in this embodiment
It repeats no more, the present embodiment is mainly to make the adjusting carrier 3 with brightness regulation figure 4:
As shown in Figure 10, then, product equivalent structure is made, pre-assembled or simulation assembling light source dot matrix is to be produced with this
Portioned product structure between brightness regulation figure, and ensure that light source dot matrix can be lighted；
Meanwhile according to the structure chart of product obtain needing the brightness regulation figure 4 that makes away from 1 light-emitting surface of light source dot matrix away from
From being denoted as H2, H2=0 in the present embodiment；
Then, a photosurface 5, the photosurface 5 to light source point are set on the light direction of the main light-emitting surface of light source dot matrix 1
The distance of 1 main light-emitting surface of battle array is denoted as H1, so that H1=H2, i.e., photosurface 5 is the main light-emitting surface of light source dot matrix in the present embodiment；
Light source dot matrix 1 is lighted, on photosurface 5, optical exposure or image surface sweeping is carried out by lighting apparatus, obtained photosensitive
Light distribution information at face；
It is compared further according to light distribution information and design requirement, calibrates the excessively bright region for needing to dim of light, then should
The region for needing to dim is transferred to spraying equipment with computer language, sprays upper spread powder in the region by spraying equipment, in turn
It shows to form brightness regulation figure 4 on adjusting carrier 3.
In the present embodiment, the function of above-mentioned lighting apparatus and spraying equipment can be realized using duplicator principle.
Unlike conventional copiers photocopying principle, for normal duplicator in exposure, the low region of brightness can be in paper
Open the upper carbon dust of upper covering；And in the present embodiment, it is opposite, is to need the spread powder on the higher region overlay of brightness:
Toner cartridge and spread powder have negative electrical charge of the same race, after exposure, the negative electricity of exposure area on toner cartridge in the present embodiment
Lotus, which loses, leaves positive electric field, forms high potential field, and still there are negative electrical charges for unexposed area on toner cartridge, form low potential.
And the corresponding region in exposure area is the region for needing to duplicate spread powder, for having the spread powder of negative electrical charge, is attracted to
The region of high potential field, to be formed in the covering of the spread powder in clear zone.
Claims (24)
1. a kind of uniformly go out light diffusing sheet structure, it is characterised in that: including
Light source dot matrix has at least one main light-emitting surface；
Layer is homogenized, for carrying out optics diffusion to the light projected from main light-emitting surface, the homogenization layer is arranged in the master
On the extending direction of light-emitting surface light direction；
Adjust carrier, the adjustings carrier be no more than on main light-emitting surface light direction the main light-emitting surface of light source dot matrix with it is uniform
Change layer；
Brightness regulation figure, the brightness regulation figure is arranged in the form of non-all standing is adjusting carrier surface, the brightness tune
Save figure are as follows: with the bright dark figure of two dimension formed by light distribution difference on light source light-emitting surface for projection object, project to tune
Section carrier surface is formed by figure or reverted image figure；
Brightness regulation figure is no more than the main light-emitting surface surface of the light source dot matrix and homogenization layer on main light-emitting surface light direction
Lower surface.
2. according to claim 1 uniformly go out light diffusing sheet structure, it is characterised in that: the brightness regulation figure is by light
Learn the figure for the density distribution that spread powder is constituted.
3. it is according to claim 2 uniformly go out light diffusing sheet structure, it is characterised in that: the optics spread powder be it is transparent and
Refractive index and the refractive index for adjusting carrier material are greater than 20% transparent grain.
4. according to claim 3 uniformly go out light diffusing sheet structure, it is characterised in that: the optics spread powder is titanium white
Powder, silica dioxide granule, silicon nitride, amide, fluoropolymer resin, any one or two kinds and two kinds in heat-conducting plastic particle with
On mixture.
5. according to claim 1 uniformly go out light diffusing sheet structure, it is characterised in that: the brightness regulation figure is to adjust
The optical brightening micro-structure formed on section carrier, the optical brightening micro-structure, which is arranged in, adjusts Jie high by refractive index in carrier
A surface in the low medium of refractive index is emitted in matter.
6. according to claim 5 uniformly go out light diffusing sheet structure, it is characterised in that: the optical brightening micro-structure is
The raised particle of transparent micro-nano-scale of the refractive index less than 10% of bright and refractive index and adjusting carrier material, and micro-nano
Tight between the raised particle and adjusting carrier substrate of metrical scale.
7. according to claim 5 uniformly go out light diffusing sheet structure, it is characterised in that: the optical brightening micro-structure is micro-
The pit of nanoscale.
8. according to claim 1 uniformly go out light diffusing sheet structure, it is characterised in that: the adjusting carrier is homogenization
The side surface towards main light-emitting surface on homogenization layer is arranged in layer, the brightness regulation figure.
9. according to claim 1 uniformly go out light diffusing sheet structure, it is characterised in that: the adjusting carrier is light source point
Battle array, the brightness regulation figure are arranged on the main light-emitting surface of light source dot matrix.
10. according to claim 1 uniformly go out light diffusing sheet structure, it is characterised in that: the adjusting carrier is that setting exists
Adjustable plate or adjusting film between the main light-emitting surface of light source dot matrix and homogenization layer.
11. it is according to claim 10 uniformly go out light diffusing sheet structure, it is characterised in that: it is described adjust carrier material be
Any one in PMMA, PC, PS, PI, transparent plastic, glass, sapphire or silica gel.
12. a kind of realize the manufacturing method for uniformly going out light diffusing sheet structure described in claim 1, it is characterised in that: the manufacture
Method is mainly to make the adjusting carrier with brightness regulation figure, is set on the light direction of the main light-emitting surface of light source dot matrix first
Photosurface is set, the distance of the photosurface to the main light-emitting surface of light source dot matrix is denoted as H1, adjusts brightness regulation figure to be produced on carrier
Shape is denoted as H2 away from the distance of the main light-emitting surface of light source dot matrix, so that H1=H2；
Secondly, carrying out optical exposure or scanning on the basis of photosurface to the light source dot matrix after lighting using lighting apparatus, obtaining
The light distribution information of the main light-emitting surface of light source dot matrix；
Then, graphic making equipment makes brightness regulation figure to the surface for adjusting carrier by light distribution information.
13. manufacturing method according to claim 12, it is characterised in that: the graphic making equipment is to dim graphic making
Equipment.
14. manufacturing method according to claim 13, it is characterised in that: the graphic making equipment that dims sets for printing
Standby, copier, spraying equipment put black equipment, spot gluing equipment.
15. manufacturing method according to claim 12, it is characterised in that: the graphic making equipment is to lighten graphic making
Equipment.
16. the manufacturing method according to claim 15, it is characterised in that: the graphic making equipment that lightens sets for printing
Standby, laser engraving equipment, spraying equipment, dispensing, needle thorn, coining or etching apparatus.
17. a kind of realize the manufacturing method for uniformly going out light diffusing sheet structure described in claim 1, it is characterised in that: the manufacture
Method is mainly the adjusting carrier that mass production has brightness regulation figure,
Step S1: firstly, the light source dot matrix that selection is qualified；
Step S2: then, photosurface is set on the light direction of the qualified main light-emitting surface of light source dot matrix, the photosurface to light source
The distance of the main light-emitting surface of dot matrix is denoted as H1, adjust brightness regulation figure to be produced on carrier away from the main light-emitting surface of light source dot matrix away from
From H2 is denoted as, so that H1=H2；
Step S3: secondly, on the basis of photosurface, optical exposure is carried out to the light source dot matrix after lighting using lighting apparatus or is swept
It retouches, obtains the light distribution information of the qualified main light-emitting surface of light source dot matrix；
Step S4: then, graphic making equipment passes through the light distribution information of qualified light source dot matrix in the surface system for adjusting carrier
Make brightness regulation figure；
Step S5: the mass production that carrier is adjusted in step S4 is repeated.
18. manufacturing method according to claim 17, it is characterised in that: the graphic making equipment is to dim graphic making
Equipment.
19. manufacturing method according to claim 18, it is characterised in that: the graphic making equipment that dims sets for printing
Standby, copier, spraying equipment put black equipment, spot gluing equipment.
20. manufacturing method according to claim 17, it is characterised in that: the graphic making equipment is to lighten graphic making
Equipment.
21. manufacturing method according to claim 20, it is characterised in that: the graphic making equipment that lightens sets for printing
Standby, laser engraving equipment, spraying equipment, dispensing, needle thorn, coining or etching apparatus.
22. a kind of realize the manufacturing method for uniformly going out light diffusing sheet structure described in claim 1, it is characterised in that: the manufacture
Method is mainly to make the adjusting carrier with brightness regulation figure, firstly, on the light direction of the main light-emitting surface of light source dot matrix
Photosurface is set, and the distance of the photosurface to the main light-emitting surface of light source dot matrix is denoted as H1, adjusts brightness regulation to be produced on carrier
Figure is denoted as H2 away from the distance of the main light-emitting surface of light source dot matrix, so that H1=H2；Meanwhile the brightness regulation to be produced on adjusting carrier
The entire surface of figure sprays optics spread powder；
Secondly, carrying out optical exposure or scanning on the basis of photosurface to the light source dot matrix after lighting using lighting apparatus, obtaining
The light distribution information of the main light-emitting surface of light source dot matrix；
Then, etching apparatus is performed etching by light distribution information to the surface for being coated with optics spread powder on carrier is adjusted,
Partial optical spread powder is removed, brightness regulation figure is obtained.
23. manufacturing method according to claim 22, it is characterised in that: the etching apparatus is laser engraving equipment, needle
Thorn, scraper or chemical etching equipment.
24. a kind of realize the manufacturing method for uniformly going out light diffusing sheet structure described in claim 1, it is characterised in that: the manufacture
Method is mainly the adjusting carrier that mass production has brightness regulation figure,
Step S1: firstly, the light source dot matrix that selection is qualified；
Step S2: photosurface is set on the light direction of the qualified main light-emitting surface of light source dot matrix, the photosurface to light source dot matrix
The distance of main light-emitting surface is denoted as H1, adjusts the distance note of brightness regulation figure to be produced on carrier away from the main light-emitting surface of light source dot matrix
Make H2, so that H1=H2；Meanwhile the entire surface of brightness regulation figure to be produced sprays optics spread powder on adjusting carrier；
Step S3: secondly, on the basis of photosurface, optical exposure is carried out to the light source dot matrix after lighting using lighting apparatus or is swept
It retouches, obtains the light distribution information of the main light-emitting surface of light source dot matrix；
Step S4: then, etching apparatus by light distribution information to adjust be coated on carrier the surface of optics spread powder into
Row etching, removes partial optical spread powder, obtains brightness regulation figure；
Step S5: the mass production that carrier is adjusted in step S4 is repeated.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006106562A (en) * | 2004-10-08 | 2006-04-20 | Radiant Opt-Electronics Corp | Diffuser plate, direct back light module and manufacturing method of the diffuser plate |
| CN201126482Y (en) * | 2007-08-07 | 2008-10-01 | 林学进 | Construction of optical scattering tablet |
| CN101602254A (en) * | 2008-06-12 | 2009-12-16 | 颖台科技股份有限公司 | Asymmetrical beam diffused component and its manufacture method |
| CN101630028A (en) * | 2008-07-16 | 2010-01-20 | 颖台科技股份有限公司 | Compound type diffusion plate structure, backlight module and liquid crystal display |
| KR20100026417A (en) * | 2008-08-29 | 2010-03-10 | 엘지이노텍 주식회사 | Hybrid-optical sheet and back light unit using hybrid-optical sheet |
| CN103234172A (en) * | 2013-04-16 | 2013-08-07 | 冠捷显示科技（厦门）有限公司 | Diffusion plate structure and application thereof in backlight module |
| CN104235761A (en) * | 2013-06-17 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | Diffusion plate and backlight module |
| CN208421465U (en) * | 2018-05-18 | 2019-01-22 | 深圳市瑞丰光电子股份有限公司 | A kind of backlight module and electronic equipment |
| CN211086670U (en) * | 2019-02-22 | 2020-07-24 | 海迪科（南通）光电科技有限公司 | Even light-emitting diffusion plate structure |
-
2019
- 2019-02-22 CN CN201910132065.4A patent/CN109655949A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006106562A (en) * | 2004-10-08 | 2006-04-20 | Radiant Opt-Electronics Corp | Diffuser plate, direct back light module and manufacturing method of the diffuser plate |
| CN201126482Y (en) * | 2007-08-07 | 2008-10-01 | 林学进 | Construction of optical scattering tablet |
| CN101602254A (en) * | 2008-06-12 | 2009-12-16 | 颖台科技股份有限公司 | Asymmetrical beam diffused component and its manufacture method |
| CN101630028A (en) * | 2008-07-16 | 2010-01-20 | 颖台科技股份有限公司 | Compound type diffusion plate structure, backlight module and liquid crystal display |
| KR20100026417A (en) * | 2008-08-29 | 2010-03-10 | 엘지이노텍 주식회사 | Hybrid-optical sheet and back light unit using hybrid-optical sheet |
| CN103234172A (en) * | 2013-04-16 | 2013-08-07 | 冠捷显示科技（厦门）有限公司 | Diffusion plate structure and application thereof in backlight module |
| CN104235761A (en) * | 2013-06-17 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | Diffusion plate and backlight module |
| CN208421465U (en) * | 2018-05-18 | 2019-01-22 | 深圳市瑞丰光电子股份有限公司 | A kind of backlight module and electronic equipment |
| CN211086670U (en) * | 2019-02-22 | 2020-07-24 | 海迪科（南通）光电科技有限公司 | Even light-emitting diffusion plate structure |
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