CN201166714Y - Dissipating structure - Google Patents
Dissipating structure Download PDFInfo
- Publication number
- CN201166714Y CN201166714Y CNU2008200028083U CN200820002808U CN201166714Y CN 201166714 Y CN201166714 Y CN 201166714Y CN U2008200028083 U CNU2008200028083 U CN U2008200028083U CN 200820002808 U CN200820002808 U CN 200820002808U CN 201166714 Y CN201166714 Y CN 201166714Y
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- Prior art keywords
- light
- focusing unit
- diffusion
- supply apparatus
- light focusing
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- 238000009792 diffusion process Methods 0.000 claims abstract description 82
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000002245 particle Substances 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 abstract description 16
- 230000003287 optical effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000012216 screening Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides a diffusion structure which comprises a substrate layer. A plurality of particles protruding from the surface are disposed on the substrate layer so that a concave-convex surface is formed on the substrate layer, and the light ray can achieve the light diffusion effect via the particles. When the diffusion structure is assembled in a backlight module, a gap is formed between the concave-convex surface and other films so as to prevent the concave-convex surface from contacting and even sticking to the other films, and the anti-sticky effect is achieved.
Description
Technical field
The structural improvement of a kind of diffusion structure of the utility model, especially refer to a kind of diffusion structure that can be applicable to backlight module, and do not need to form again another anti-adherence (Anti-sticky) layer, and the diffusion structure improvement that has the light diffusion simultaneously and prevent adherence (Anti-sticky) effect.
Background technology
A kind of known optical scattering structure forms the surface structure of a tool roughness in the upper surface of transparency carrier, make light by the time cause scattering phenomenon, and then reach the function of light diffusion.Another known optical scattering structure 10, as shown in Figure 1, upper surface in transparency carrier 11 is provided with a diffusion layer 12, this diffusion layer 12 comprises a plurality of diffusion particles 121 and adhesion 122, these diffusion particles 121 can be imbedded adhesion 122 or protrude from adhesion, to form the surface of a tool roughness, when light outwards penetrates via this diffusion layer 12, can cause the function of light diffusion, wherein this diffusion particle is the sphere of transparent natural moulding, according to lens principle, after focusing on, also light can be spread.
And this optical scattering structure is when desiring to be assembled in the backlight module, because of needs and other blooming piece stacked mutually, but in order to prevent to be in contact with one another even driving fit because of static between each blooming piece (comprising optical scattering structure), and cause the uneven situation of picture to take place, general many meetings be provided with the structure that can prevent adherence in addition in the blooming piece surface, as the antistatic layer that is disclosed in No. 200724578 notification number M313790 number of TaiWan, China patent publication No. and the notification number M295745 number, and as shown in Figure 1, then form an anti-adherence structure (for example antistatic layer 13) again, to prevent optical scattering structure and other blooming piece driving fit together at transparency carrier 11 lower surfaces; Only, the antistatic layer of setting up has in addition increased job sequence and time, has not only increased processing cost, and this antistatic layer has also increased the thickness of whole optical scattering structure 10.
The utility model content
The utility model, its fundamental purpose be for providing a kind of diffusion structure that can be applicable to backlight module, and do not need to form another anti-adherence (Anti-sticky) layer again, and the diffusion structure improvement that has the light diffusion simultaneously and prevent adherence (Anti-sticky) effect.
For reaching above-mentioned purpose, diffusion structure of the present utility model consists predominantly of a substrate layer, this substrate layer is provided with the particle of plural protuberate, make the surface of this substrate layer form convex-concave surface, make light can have the effect of light diffusion, and this diffusion structure is when being assembled in the backlight module via plural particle, can be by forming the gap between this convex-concave surface and other diaphragm, can prevent to contact even driving fit, to reach the effect of anti-adherence (Anti-sticky) with other diaphragm.
The utility model further can be provided with plural number diffusion light focusing unit in this substrate surface, and the surface formation convex-concave surface that makes this substrate layer and respectively spread light focusing unit makes light can further reach the effect of light optically focused via each diffusion light focusing unit.
The beneficial effects of the utility model are: diffusion structure of the present utility model is by the set particle in substrate layer surface, do not need to form again another anti-adherence (Anti-sticky) layer, and has the effect of anti-adherence (Anti-sticky), to prevent electrostatic adsorption, and cause the inhomogeneous situation of picture to produce, and the utility model substrate layer surface is set respectively spreads light focusing unit and particle, more the light that passes through can be formed the effect of diffusion and optically focused.
Description of drawings
Fig. 1 is for practising the structural representation that diffusion sheet is arranged;
Fig. 2 is the structural representation of the first embodiment diffusion structure in the utility model;
Fig. 3 is the structural representation of the second embodiment diffusion structure in the utility model;
Fig. 4 is the structural perspective of the second embodiment diffusion structure in the utility model;
Fig. 5 is another structural representation of the second embodiment diffusion structure in the utility model;
Fig. 6 spreads the enlarged diagram of light focusing unit for second embodiment in the utility model;
Fig. 7 A, B are the structural representation that the 3rd embodiment spreads light focusing unit in the utility model;
Fig. 8 is the structural perspective of the 4th embodiment diffusion structure in the utility model;
Fig. 9 is the structural perspective of the 5th embodiment diffusion structure in the utility model;
Figure 10 is installed in the basic structure synoptic diagram of side light type back light module for diffusion structure in the utility model;
Figure 11 is installed in the basic structure synoptic diagram of direct type backlight module for diffusion structure in the utility model;
Figure 12 is another structural perspective of groove in A, B the utility model.
[figure number explanation]
Diffusion layer 12 diffusion particles 121
Adhesion 122 antistatic layers 13
211 bottom surfaces 212, side
Exiting surface 213 arcwall faces 221
Groove 222 planes 223
Cambered surface 224 particles 23
Diffuser plate 35 screening glass 36
Embodiment
In order to allow above-mentioned purpose of the present utility model, functional character and advantage understand by clearer and more definite quilt, hereinafter with the utility model with preferable example, and cooperate appended graphicly, be described in detail below:
Please refer to Fig. 2, the diffusion structure 20 of the utility model first embodiment consists predominantly of a substrate layer 21, this substrate layer 21 is transparent or semitransparent material, these base material 21 surfaces are provided with plural particle 23, the shape approximation of each particle 23 is spherical, and each particle 23 protrudes in the surface of this substrate layer 21, makes the surface of this substrate layer 21 form convex-concave surface.
Be second embodiment of the utility model diffusion structure 20 as shown in Figures 3 and 4, these substrate layer 21 upper surfaces further are provided with plural number diffusion light focusing unit, among the embodiment as shown in the figure, each spreads light focusing unit and has an arcwall face 221, and this substrate layer 21 includes side 211 at least, one bottom surface 212 of intersecting with this side 211 and an exiting surface 213 relative with this bottom surface 212, and this side 211 is provided with light supply apparatus 31 formation light inlets, and each arcwall face 221 is located on the exiting surface 213, and each arcwall face 221 protrudes in substrate layer 21, please consult Fig. 5 and shown in Figure 6 simultaneously, this arcwall face 221 has a longitudinal axis L and a minor axis W, this longitudinal axis L becomes a ratio with the length of minor axis W, the ratio of its W: L can be 1: 1 to 1: ∞, preferable ratio is between 1: 1～1: 5, and it is parallel alternately that long axis direction is about same direction, but the major axis of each adjacent arcwall face 221 and minor axis arbitrary proportion then, and with random fashion arrangement, preferable 20～80 μ m that can be of minor axis W length; Different with the short-axis direction extent of refraction with the long axis direction by arcwall face 221, the ratio of the long and short axle of may command makes the axial light of one have light-focusing function, and another axial light then has diffusion function; Certainly, each arcwall face 221 also can be recessed into substrate layer 21 the 3rd embodiment shown in Fig. 7 A is set; Moreover each spreads light focusing unit and has at least one arcwall face, and shown in Fig. 7 B, this diffusion light focusing unit can have two partly overlapping arcwall faces 221.
As shown in Figure 8, the 4th embodiment for the utility model diffusion structure 20, each spreads light focusing unit and has a groove 222, in the enforcement as shown in the figure, this groove 222 can be V-groove, and this groove 222 is located at the surface of exiting surface 213 and outstanding substrate layer 21, and each groove 222 is the parallel direction arrangement with light supply apparatus 31, and each groove 222 is that continous way is arranged; Certainly, each groove also can be arranged in vertical direction with light supply apparatus.
As shown in Figure 9, the 5th embodiment for the utility model diffusion structure 20, this groove 222 can and be located at bottom surface 212 and exiting surface 213 respectively for V-type or U type groove, and the surface of the plural groove 222 outstanding substrate layers 21 of this bottom surface 212, and arrange in vertical direction with light supply apparatus 31, the plural groove 222 of this exiting surface 213 is recessed into the surface of substrate layers 21, and is the parallel direction arrangement with light supply apparatus 31, and 222 of each grooves have identical spacing.
During concrete enforcement, diffusion structure of the present utility model can be installed in the backlight module framework of straight-down negative or side-light type, as shown in figure 10, be diffusion structure of the present utility model and be installed in the basic structure synoptic diagram of side light type back light module, it mainly is provided with light supply apparatus 31 and plural blooming piece in a carrier 32, this plural number blooming piece can be made of diffusion structure 20 and light guide plate 33 at least, and the plate end of this light guide plate 33 is set in the opening part of carrier 32, its light supply apparatus 31 also is arranged at the side of carrier 32, this diffusion structure 20 is located at light guide plate 33 tops, to allow the light of light supply apparatus 31 go into light guide plate 33 and penetrate towards the plate face of light guide plate 33 expection from the plate end-fire, to reach the effect that light source shows, and on this diffusion structure 20, lower surface is by each particle 23 formed convex-concave surface, when making this diffusion structure 20 be stacked and placed on light guide plate 33 tops, each particle 23 can form plural clearance G with light guide plate 33 upper surfaces, to prevent that this diffusion structure 20 from contacting even driving fit with light guide plate 33, to reach the effect of anti-adherence (Anti-sticky), and substrate layer 21 surface is set respectively spreads light focusing unit and also can make light have the effect of light diffusion and optically focused, among the embodiment as shown in the figure, each spreads light focusing unit can and be located at bottom surface 212 and exiting surface 213 respectively for U type or V-groove, and the surface of the plural groove 222 recessed substrate layers 21 of this bottom surface 212, and being parallel direction with light supply apparatus 31 arranges, the surface of the plural groove 222 outstanding substrate layers 21 of this exiting surface 213, and arrange in vertical direction with light supply apparatus 31, and 222 of each grooves have different spacings.
As shown in figure 11; be diffusion structure of the present utility model and be installed in the basic structure synoptic diagram of direct type backlight module; it mainly is provided with light supply apparatus 31 and blooming piece above a carrier 32; this blooming piece can be by reflector plate 34; diffuser plate 35; diffusion structure 20 and screening glass 36 constitute; and this diffuser plate 35 is arranged at light supply apparatus 32 tops; diffusion structure 20 and screening glass 36 then are located at diffuser plate 35 tops in regular turn; 34 of its reflector plates are located between carrier 32 and the light supply apparatus 31; equally by on the diffusion structure 20; each particle 23 of lower surface; form plural clearance G with other blooming piece (comprising diffuser plate 35 and screening glass 36) surface; to prevent that this diffusion structure 20 from contacting even driving fit with other blooming piece; to reach the effect of anti-adherence (Anti-sticky); and this particle 23 and substrate layer 21 surfaces are set respectively spreads light focusing unit; can make light have the effect of light diffusion and optically focused; among the embodiment as shown in the figure; each spreads light focusing unit can and be located at bottom surface 212 and exiting surface 213 respectively for V-groove; and the surface of the plural groove 222 outstanding substrate layers 21 of this bottom surface 212; and arrange in vertical direction with light supply apparatus 31; the surface of the outstanding substrate layers 21 of the plural groove 222 of this exiting surface 213, and be parallel direction with light supply apparatus 31 and arrange.
In addition; plane 223 can further be formed on plural V-groove 222 bottoms of this diffusion structure 20; shown in Figure 12 A; perhaps form cambered surface 224; shown in Figure 12 B; make contacting of plural V-groove 222 and other blooming piece (for example diffuser plate 35 or screening glass 36), can not injure other blooming piece because of sharp-pointed channel bottom.
What deserves to be mentioned is, diffusion structure of the present utility model is by the set particle in substrate layer surface, do not need to form again another anti-adherence (Anti-sticky) layer, and has the effect of anti-adherence (Anti-sticky), to prevent electrostatic adsorption, and cause the inhomogeneous situation of picture to produce, and the utility model substrate layer surface set respectively spread light focusing unit and particle, more the light that passes through can be formed the effect of diffusion and optically focused.
As mentioned above, the improvement of the preferable feasible diffusion structure of the utility model is so offer the application of novel patent in accordance with the law; Yet, above implementation and graphic shown in, be the utility model preferred embodiment, be not to limit to the utility model with this, be with, approximate with structure of the present utility model, device, feature etc., identical such as, all should belong to of the present utility model founding within purpose and the claim.
Claims (10)
1, a kind of diffusion structure is characterized in that, it includes at least:
One substrate layer;
The plural number particle, plural particle is located at the surface of this substrate layer, and each particle protrudes in the surface of this substrate layer, makes the surface of this substrate layer form convex-concave surface.
2, diffusion structure according to claim 1 is characterized in that this substrate layer surface further is provided with a plurality of diffusion light focusing unit.
3, as diffusion structure as described in the claim 2, it is characterized in that each spreads light focusing unit and has at least one arcwall face, this arcwall face has a major axis and a minor axis.
4, as diffusion structure as described in the claim 2, it is characterized in that each spreads light focusing unit and has a groove.
As diffusion structure as described in the claim 2, it is characterized in that 5, each spreads the outstanding or recessed substrate layer of light focusing unit.
6, as diffusion structure as described in the claim 2, it is characterized in that each spreads and has spacing between light focusing unit; Perhaps respectively spreading light focusing unit is that continous way is arranged.
7, as diffusion structure as described in the claim 2, it is characterized in that, this substrate layer includes bottom surface and the exiting surface relative with this bottom surface that intersect with this side side, at least, and this side is provided with the light supply apparatus that forms light inlet, each spreads light focusing unit and is located at the bottom surface, and light focusing unit and light supply apparatus are parallel direction or vertical direction is arranged and respectively spread; Perhaps respectively spread light focusing unit and be located at exiting surface, light focusing unit and light supply apparatus are parallel direction or vertical direction is arranged and respectively spread.
8, as diffusion structure as described in the claim 2, it is characterized in that, this substrate layer includes bottom surface and the exiting surface relative with this bottom surface that intersect with this side side, at least, and this side is provided with the light supply apparatus that forms light inlet, each spreads light focusing unit and is located at bottom surface and exiting surface, the plural number diffusion light focusing unit of this bottom surface and light supply apparatus are parallel direction to be arranged, and the plural number of exiting surface diffusion light focusing unit and light supply apparatus are arranged in vertical direction; Perhaps respectively spread light focusing unit and be located at bottom surface and exiting surface, the plural number diffusion light focusing unit and the light supply apparatus of this bottom surface are arranged in vertical direction, and the plural number of exiting surface diffusion light focusing unit and light supply apparatus are the parallel direction arrangement.
9, as diffusion structure as described in the claim 2, it is characterized in that, this substrate layer includes bottom surface and an exiting surface relative with this bottom surface at least, and this bottom surface is provided with the light supply apparatus that forms light inlet, each spreads light focusing unit and is located at the bottom surface, and light focusing unit and light supply apparatus are parallel direction or vertical direction is arranged and respectively spread; Perhaps respectively spread light focusing unit and be located at exiting surface, light focusing unit and light supply apparatus are parallel direction or vertical direction is arranged and respectively spread.
10, as diffusion structure as described in the claim 2, it is characterized in that, this substrate layer includes bottom surface and an exiting surface relative with this bottom surface at least, and this bottom surface is provided with the light supply apparatus that forms light inlet, each spreads light focusing unit and is located at bottom surface and exiting surface, the plural number diffusion light focusing unit of this bottom surface and light supply apparatus are parallel direction to be arranged, and the plural number of exiting surface diffusion light focusing unit and light supply apparatus are arranged in vertical direction; Perhaps respectively spread light focusing unit and be located at bottom surface and exiting surface, the plural number diffusion light focusing unit and the light supply apparatus of this bottom surface are arranged in vertical direction, and the plural number of exiting surface diffusion light focusing unit and light supply apparatus are the parallel direction arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200028083U CN201166714Y (en) | 2008-02-21 | 2008-02-21 | Dissipating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200028083U CN201166714Y (en) | 2008-02-21 | 2008-02-21 | Dissipating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166714Y true CN201166714Y (en) | 2008-12-17 |
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ID=40192104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200028083U Expired - Fee Related CN201166714Y (en) | 2008-02-21 | 2008-02-21 | Dissipating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166714Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8197103B2 (en) | 2009-12-31 | 2012-06-12 | Au Optronics Corporation | Diffusion plate with at least one star diffusion structure and a lighting module using the same |
| CN102896929A (en) * | 2012-10-24 | 2013-01-30 | 新协力包装制品（深圳）有限公司 | Transparent film, transparent film generation method and treatment method utilizing transparent film |
| CN107153298A (en) * | 2016-03-03 | 2017-09-12 | 欧姆龙株式会社 | Planar light source device, display device and electronic equipment |
-
2008
- 2008-02-21 CN CNU2008200028083U patent/CN201166714Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8197103B2 (en) | 2009-12-31 | 2012-06-12 | Au Optronics Corporation | Diffusion plate with at least one star diffusion structure and a lighting module using the same |
| CN102896929A (en) * | 2012-10-24 | 2013-01-30 | 新协力包装制品（深圳）有限公司 | Transparent film, transparent film generation method and treatment method utilizing transparent film |
| CN107153298A (en) * | 2016-03-03 | 2017-09-12 | 欧姆龙株式会社 | Planar light source device, display device and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20130221 |