CN201917677U - Light guide plate - Google Patents
Light guide plate Download PDFInfo
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- CN201917677U CN201917677U CN 201120005726 CN201120005726U CN201917677U CN 201917677 U CN201917677 U CN 201917677U CN 201120005726 CN201120005726 CN 201120005726 CN 201120005726 U CN201120005726 U CN 201120005726U CN 201917677 U CN201917677 U CN 201917677U
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- Prior art keywords
- guide plate
- light guide
- optical
- array
- microstructure
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Abstract
The utility model relates to a light guide plate, which is provided with a surface and comprises an optical component array and a ruled line. The surface is provided with a first direction and a second direction, a certain included angle is formed between the first direction and the second direction, the optical component array is disposed on the surface of the light guide plate and extends in the first direction, and the ruled line is arranged on the surface of the light guide plate and extends in the second direction. The light guide plate has the advantages that the light guide plate is provided with the optical component array and the ruled line which is capable of improving optical effects of the light guide plate.
Description
Technical field
The utility model relates to a kind of light guide plate, relates in particular to the structure of this light guide plate.
Background technology
In precision machined field, normally utilize cutter to cut and form optical microstructures for the various kinds light guide plate.Surface treatment with light guide plate is an example, when desiring to make the leaded light microstructure on light guide plate, can utilize single cutter to carry out the delineation of groove to and fro on the surface of light guide plate.Yet such way has following shortcoming:
At first, the life-span of cutter can shorten.In delineating the process of groove,, and make cutter be easy to generate wearing and tearing, distortion, Yin Gaore and problems such as hardness reduction, fracture because cutter directly rubs with light guide plate constantly; And when cutter produced the situation of damage, the precision of the groove that is depicted also can descend thereupon, causes the yield of light guide plate to promote.
Moreover the speed of above-mentioned job operation is extremely slow.Because each groove all constantly carries out delineation work back and forth with single cutter, so when area a lot of when groove number or that delineated was quite big, integral body can be elongated process time.From on the one hand, also can attempt utilizing the way of the time of the single stroke that shortens cutter, promote process velocity, but such mode can produce high heat of moment because of cutter carries out high-speed mobile, shortens the serviceable life of cutter on the contrary.
Also have, above-mentioned cutter is not suitable for the microstructure processing of special shape and produces with a large amount of.When the user wants to make the groove with special geometry, must change different cutters respectively and carry out.More specifically, first groove with first kind of microstructure need utilize first kind of cutter to delineate, and second groove with second kind of microstructure needs to delineate with second kind of cutter.Thus, will cause machining path, the tool changing of cutter to become very complicated in proper order, and be difficult to make in a large number light guide plate.
Particularly, utilize above-mentioned single cutter to make the mode of the leaded light microstructure of light guide plate, will cause the not good problem of precision of leaded light microstructure.From the above, a kind of method for making that can solve the light guide plate of existing issue of exploitation has its necessity.
Summary of the invention
The utility model technical issues that need to address have provided a kind of light guide plate, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The utility model: have a surface, this surface has a first direction and a second direction, folder one angle between this first direction and this second direction, and this light guide plate comprises: an array of optical elements; Described array of optical elements is arranged on this surface of this light guide plate and extends in this first direction; And line at a moment; Described delineation line is arranged on this surface of this light guide plate and extends in this second direction.
Compared with prior art, the beneficial effects of the utility model are: have array of optical elements, and also have the delineation line of the optical effect that can promote light guide plate.
Description of drawings
Fig. 1 is schematic perspective view, and the synoptic diagram of the optical microstructures on light guide plate surface of a kind of light guide plate of the utility model embodiment.
Fig. 2 is the making schematic flow sheet of method for making of a kind of light guide plate of the utility model embodiment.
Fig. 3 is the synoptic diagram of a kind of cutting tool of the utility model embodiment.
Fig. 4 is the synoptic diagram of the another kind of cutting tool of the utility model embodiment.
Fig. 5 is the synoptic diagram of another cutting tool of the utility model embodiment.
Fig. 6 is the synoptic diagram of microstructure of the cutting tool of the utility model one embodiment.
Fig. 7 is the synoptic diagram of microstructure of the cutting tool of another embodiment of the utility model.
Fig. 8 is the synoptic diagram that utilizes the described cutting tool of the utility model embodiment to cut for light guide plate.
Fig. 9 carries out the surface-treated synoptic diagram for utilizing the described cutting tool of the utility model embodiment for light guide plate.
Figure 10 is the synoptic diagram of a kind of cutting tool module of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
The utility model provides a kind of light guide plate, has array of optical elements, and also has the delineation line of the optical effect that can promote light guide plate.
The utility model provides a kind of method for making of light guide plate, utilizes novel cutting tool, and can make above-mentioned light guide plate.
The utility model proposes a kind of light guide plate, have a surface, this surface has first direction and second direction, folder one angle between this first direction and this second direction.This light guide plate comprises: array of optical elements and delineation line.Array of optical elements is arranged on the surface of light guide plate and extends in first direction.The delineation line is arranged on the surface of light guide plate and extends in second direction.
The utility model proposes a kind of method for making of light guide plate again.At first, provide at least one light guide plate, this light guide plate has a surface, and this surface has first direction and second direction, folder one angle between this first direction and this second direction.Come, at least one cutting tool is provided, wherein, each cutting tool comprises: base portion, at least one cutting part and a plurality of microstructure.Base portion has a turning axle.Cutting part is arranged on the base portion and along the bearing of trend of turning axle and arrange.Microstructure is arranged on the cutting part.Afterwards, cutting tool is rotated and cuts light guide plate, wherein, this light guide plate after being cut comprises: array of optical elements and delineation line.Array of optical elements is arranged on this surface of light guide plate and extends in first direction.The delineation line is arranged on this surface of light guide plate and extends in second direction.
In an embodiment of the present utility model, it is online that above-mentioned delineation line is distributed in the online or different horizontal/vertical benchmark of the same horizontal/vertical benchmark on this surface.
In an embodiment of the present utility model, above-mentioned angle is 90 ± 10 degree.In an embodiment of the present utility model, above-mentioned surface comprises: the incidence surface of this light guide plate, exiting surface or reflective surface.
In an embodiment of the present utility model, above-mentioned array of optical elements comprises: a plurality of optical microlenses protrude in the surface of light guide plate, and the shape of optical microlens are to be selected from semicircle, V font, R ditch and combination thereof.
In an embodiment of the present utility model, above-mentioned array of optical elements comprises: a plurality of optical microlenses, indent are in the surface of light guide plate, and the shape of optical microlens is to be selected from semicircle, V font, R ditch and combination thereof.
In an embodiment of the present utility model, above-mentioned array of optical elements comprises: a plurality of optical microlenses, these optical microlenses are of a size of identical or inequality each other.
In an embodiment of the present utility model, above-mentioned cutting part is along the bearing of trend of turning axle and arranged in co-axial alignment.
In an embodiment of the present utility model, above-mentioned cutting part is along the bearing of trend of turning axle and helical arrangement.
In an embodiment of the present utility model, above-mentioned base portion and cutting part are formed in one or are assembling each other.
In an embodiment of the present utility model, above-mentioned microstructure protrudes in cutting part, and the shape of microstructure is to be selected from semicircle, V font, R ditch and combination thereof, and the shape complementarity of microstructure is in the shape of the optical microlens of array of optical elements.
In an embodiment of the present utility model, above-mentioned microstructure indent is in cutting part, and the shape of microstructure is to be selected from semicircle, V font, R ditch and combination thereof, and the shape complementarity of microstructure is in the shape of the optical microlens of array of optical elements.
In an embodiment of the present utility model, above-mentioned microstructure is of a size of identical or inequality each other.
Based on above-mentioned, light guide plate of the present utility model has array of optical elements and delineation line, and wherein, the delineation line can provide the optical effect of atomizing light.Utilize the described cutting tool of the utility model embodiment to cut or surface treatment, can on the surface of light guide plate, form array of optical elements and delineation line easily for light guide plate.Especially, the method for making of this light guide plate is adapted at forming on the thickness light guide plate as thin as a wafer array of optical elements and delineation line.
[light guide plate]
Fig. 1 is schematic perspective view, and the synoptic diagram of the optical microstructures on light guide plate surface of a kind of light guide plate of the utility model embodiment.Please refer to Fig. 1, light guide plate LGP has a surperficial S1 (S2 or S3), and this surface S1 (S2 or S3) has first direction D1 and presss from both sides the second direction D2 of an angle θ with first direction D1.In one embodiment, the surperficial S1 of light guide plate LGP can be an incidence surface, and the surperficial S2 of this light guide plate LGP can be an exiting surface, and the surperficial S3 of this light guide plate LGP can be a reflective surface.This angle θ can be 90 ± 10 degree, is preferably 90 degree.
The optical microstructures of above-mentioned light guide plate LGP can comprise: array of optical elements OPA and delineation line CL.It is last and extend in first direction D1 that array of optical elements OPA can be arranged at surperficial S1, S2, the S3 of light guide plate LGP.
More specifically, array of optical elements OPA can comprise: a plurality of optical microlens LEN, indent is in the surface of light guide plate LGP, and the shape of optical microlens LEN is to be selected from semicircle, V font, R ditch and combination thereof (being complementary to the follow-up microstructure that protrudes in cutting part 120 130 shown in Figure 6).
In addition, array of optical elements OPA also can comprise: a plurality of optical microlens LEN, protrude in the surface of light guide plate LGP, and the shape of optical microlens LEN can be selected from semicircle, V font, R ditch and combination thereof (being complementary to follow-up indent shown in Figure 7 in the microstructure 130 of cutting part 120).Moreover the size each other of a plurality of optical microlens LEN of array of optical elements OPA can be identical or inequality, and the area that is meant wherein measure-alike or inequality is identical or inequality, or volume is identical or inequality.Array of optical elements OPA can be on the surperficial S1, the S2 that are arranged in light guide plate LGP regularly or randomly, the S3, and end is seen required optical effect.
Referring again to Fig. 1, it is last and extend in second direction D2 that delineation line CL can be arranged at surperficial S1, S2, the S3 of light guide plate LGP.More specifically, can be at least one surperficial S1, S2 or the S3 of light guide plate LGP, perhaps all surfaces S1, S2, the last formation of S3 array of optical elements OPA and delineation line CL.
Moreover delineation line CL can be distributed on this surface S1, S2, the S3 randomly, that is, the same horizontal/vertical datum line (not illustrating) that delineation line CL can be distributed in surperficial S1 go up or different horizontal/vertical benchmark online.More specifically, surface S1 can have many horizontal datums, and horizontal datum turn 90 degrees promptly can be considered many vertical reference lines, and delineation line CL can be positioned at the position (rule setting) of same horizontal datum, or be positioned at the position (at random be provided with) of not same horizontal datum, make the optical effect that can cause cloudy surface by the setting of delineation line CL.
Below, will further specify the method for making of the light guide plate of the utility model.
[method for making of light guide plate]
Fig. 2 is the making schematic flow sheet of method for making of a kind of light guide plate of the utility model embodiment.Fig. 3 is the synoptic diagram of a kind of cutting tool of the utility model embodiment.Please understand the method for making M100 of light guide plate of the present utility model the while with reference to Fig. 1, Fig. 2 and Fig. 3.As shown in Figure 2, the method for making M100 of light guide plate comprises step S110～S130.
At first, in step S110, provide at least one light guide plate LGP as shown in Figure 1, this light guide plate LGP has a surperficial S1, S2, S3, and this surface S1, S2, S3 have first direction D1 and press from both sides the second direction D2 of an angle θ with first direction D1.
Come, in step S120, provide at least one cutting tool 100 as shown in Figure 3, wherein, each cutting tool 100 comprises: base portion 110, at least one cutting part 120 and a plurality of microstructure 130.Base portion 110 has a turning axle 110a.Cutting part 120 is arranged on the base portion 110, along the bearing of trend L of turning axle 110a and arrange.Microstructure 130 is arranged on the cutting part 120.The quantity of cutting part 120, length, the position etc. that is arranged in base portion 110 all can change, that is design according to the required optical effect of light guide plate LGP.
Afterwards, in step S130, cutting tool 100 is rotated and cuts light guide plate LGP, wherein, the light guide plate LGP as shown in Figure 1 after being cut comprises: array of optical elements OPA and delineation line CL.It is last and extend in first direction D1 that array of optical elements OPA is arranged at this surface S1, S2, the S3 of light guide plate LGP.It is last and extend in second direction D2 that delineation line CL is arranged at this surface S1, S2, the S3 of light guide plate LGP.
It should be noted that and to utilize at least one surperficial S1, S2 or the S3 of cutting tool 100, perhaps cut or surface treatment on all surfaces S1, S2, the S3, and form array of optical elements OPA and delineation line CL at light guide plate LGP.
It may be noted that Fig. 3 has illustrated three cutting parts 120, yet the quantity of cutting part 120 can be adjusted, and is not only to be defined in three along with the user demand of reality.And, the microstructure 130 of mutually the same or the form that differs from one another can be set, respectively with the cutting tool 100 of the combination of producing microstructure 130 with specific modality on each cutting part 120.
Above-mentioned cutting tool 100 is by microstructure 130 is set on cutting part 120, make when cutting tool 100 when carrying out high speed rotating, microstructure 130 can be on the tangent line of the sense of rotation R of cutting tool 100, the light guide plate LGP that contacts with microstructure 130 is cut or delineation work.The result is, at cutting light guide plate LGP simultaneously, can on the cut surface of light guide plate LGP, form array of optical elements OPA and delineation line CL naturally, and the shape of the microstructure 130 of the shape of the optical microlens LEN of array of optical elements OPA and cutting tool 100 is complementary each other.
Referring again to Fig. 3, cutting part 120 can be along the bearing of trend L of turning axle 110a and arranged in co-axial alignment.In another embodiment, cutting part 120 also can adopt other arrangement mode.Fig. 4 is the synoptic diagram of the another kind of cutting tool of the utility model embodiment.Please refer to Fig. 4, the cutting tool 100 identical assemblies of this cutting tool 102 and Fig. 3 indicate with identical symbol.It may be noted that in this embodiment cutting part 120 is along the bearing of trend of turning axle 110a and helical arrangement.By the mode of arranged in co-axial alignment or helical arrangement, can make the effect that many places microstructure 130 all can be cut or delineate on the surface on the cutting part 120, make cutting tool 100 be suitable for having the cutting or the surface treatment of large-area workpiece.Thus, can solve the problem of the cutter damage that utilizes single cutter to repeat to cut in the prior art to be caused.
Referring again to Fig. 3, base portion 110 is formed in one with cutting part 120, that is to say, can utilize precision optical machinery processing or electromachining cutting, directly goes up at a right cylinder (not illustrating) and forms cutting part 120, and making cutting part 120 and base portion 110 is that one is connected.
In another embodiment, base portion 110 and cutting part 120 also can adopt other connected mode.Fig. 5 is the synoptic diagram of another cutting tool of the utility model embodiment.Please refer to Fig. 5, the cutting tool 100 identical assemblies of this cutting tool 104 and Fig. 3 indicate with identical symbol.It may be noted that in this embodiment base portion 110 is assembling each other with cutting part 120.More specifically, base portion 110 is to separate to make with cutting part 120, and, can utilize gluing or special modes such as embedded structure that cutting part 120 is fixed on the base portion 110, so that cutting tool 104 is when high speed rotating, cutting part 120 can not break away from from base portion 110.
Fig. 6 is the synoptic diagram of microstructure of the cutting tool of the utility model one embodiment.Please refer to Fig. 6, after the regional A of cutting part 120 is amplified, can see the shape of microstructure 130.Please continue with reference to Fig. 6, in one embodiment, above-mentioned microstructure 130 can protrude in cutting part 120, and the shape of microstructure 130 can be to be selected from semicircle, V font, R ditch and combination thereof, that is, as semicircle microstructure 130a, V font microstructure 130b, R ditch microstructure 130c, the 130d that Fig. 6 illustrated.Utilize the microstructure that protrudes in cutting part 120 130 shown in Figure 6, can on the surface of light guide plate LGP, cut out the optical microlens LEN of indent in light guide plate LGP surface.
Fig. 7 is the synoptic diagram of microstructure of the cutting tool of another embodiment of the utility model.Please refer to Fig. 7, in another embodiment, after the area B of cutting part 120 amplified, can see that microstructure 130 is that indent is in cutting part 120, and the shape of microstructure 130 can be to be selected from semicircle, inverted v-shaped, R ditch and combination thereof, that is, as semicircle microstructure 130a, V font microstructure 130b, R ditch microstructure 130c, the 130d that Fig. 7 illustrated.Utilize indent shown in Figure 7 microstructure 130, can on the surface of light guide plate LGP, cut out the optical microlens LEN that protrudes in light guide plate LGP surface in cutting part 120.
Above-mentioned various microstructure 130a～130d size each other can be identical or inequality, for example, can adopt R ditch microstructure 130c, 130d with different size, or a plurality of measure-alike semicircle microstructure 130a etc.Described technical field has common knowledge, can be according to the kind that designs needs combination microstructure 130a～130d, size etc.Thus, can be directly on cutting part 120 combination microstructure 130 miscellaneous, and can solve the machining path, the tool changing that in the past needed to change the cutter that different cutter causes the very complicated problems that becomes in proper order.
Fig. 8 is the synoptic diagram that utilizes the described cutting tool of the utility model embodiment to cut for light guide plate.See also Fig. 8, cutting tool 100 can be on sense of rotation R high speed rotating, cut with light guide plate LGP on cut direction C for monolithic or multi-disc storehouse.It should be noted that, because the cutting part 120 of cutting tool 100 is provided with microstructure 130, so when cutting, can form array of optical elements OPA as shown in Figure 1 and delineate line CL in the surperficial S1 of light guide plate LGP (incidence surface) for light guide plate LGP.
Hold above-mentioned, can utilize cutting tool 100 to cut fast for the light guide plate LGP of multilayer storehouse, not only can shorten the processing procedure time of cutting light guide plate LGP, but also the surperficial S1 (incidence surface) of light guide plate LGP goes up required array of optical elements OPA of formation and delineation line CL.Particularly, for the light guide plate LGP that thickness quite approaches, utilize cutting tool 100 easily to depict array of optical elements OPA in the surperficial S1 of light guide plate LGP (incidence surface).
Fig. 9 carries out the surface-treated synoptic diagram for utilizing the described cutting tool of the utility model embodiment for light guide plate.Please refer to Fig. 9, can make cutting tool 100 high speed rotating, light guide plate LGP is gone up at conveying belt (not illustrating) to be transmitted on throughput direction D, microstructure 130 on the cutting part 120 can contact with surperficial S2 (exiting surface) or the S3 (reflective surface) of light guide plate LGP, and depicts array of optical elements OPA and delineation line CL.Formed array of optical elements OPA for example is lens microarray (lens array), and required optical effect can be provided, and delineation line CL can be used for the light that atomizes.
Figure 10 is the synoptic diagram of a kind of cutting tool module of the utility model embodiment.Please refer to Figure 10, cutting tool module 200 comprises: a plurality of above-mentioned cutting tools 100, wherein, these cutting tools 100 are arranged on the bearing of trend L of turning axle 110a.
As shown in Figure 9, only illustrate a cutting tool 100 and carry out the surface-treated synoptic diagram, yet the utility model is not limited in and uses a cutting tool 100.More specifically, when the area of light guide plate LGP increased, the cutting tool module 200 that can utilize a plurality of cutting tools 100 to be constituted was cut or surface treatment for large-area light guide plate LGP easily.
In addition, but assembly unit goes out the cutting tool module 200 corresponding to the light guide plate LGP of this specific dimensions, cuts or surface treatment with the light guide plate LGP for this specific dimensions.Moreover, when any cutting tool 100 in the cutting tool module 200 damages, can directly substitute the cutting tool 100 of this damage, help the lifting of maintenance efficiency.
Particularly, but the also cutting tool 100～104 of combination in any with various microstructure 130 forms cutting tool module 200.Thus, can make the array of optical elements OPA of various forms.
In sum, light guide plate of the present utility model and preparation method thereof has the following advantages at least:
Utilize the described cutting tool of the utility model embodiment to cut or surface treatment for light guide plate, can form array of optical elements and delineation line on the surface of light guide plate, wherein, the delineation line can provide the optical effect of atomizing light.And the method for making of this light guide plate is adapted at forming on the thickness light guide plate as thin as a wafer array of optical elements and delineation line.
When cutting or during surface treatment, a plurality of microstructures that are provided with on cutting part can be delineated for light guide plate, can promote cutting tool process velocity, prolong life-span of cutting tool.In addition, by on cutting part, forming microstructure miscellaneous, and can on light guide plate, form required any array of optical elements, and be fit to the processing of the array of optical elements of special shape.
Though the utility model discloses as above with embodiment; right its is not in order to limit the utility model; has common knowledge under any in the technical field; in the spirit and scope that do not break away from the utility model; when can doing a little change and retouching, so attached claim scope is defined the protection domain of the utility model after looking is as the criterion.
Claims (7)
1. light guide plate, it is characterized in that: have a surface, this surface has a first direction and a second direction, folder one angle between this first direction and this second direction, this light guide plate comprises: an array of optical elements; Described array of optical elements is arranged on this surface of this light guide plate and extends in this first direction; And line at a moment; Described delineation line is arranged on this surface of this light guide plate and extends in this second direction.
2. light guide plate according to claim 1 is characterized in that: it is online that this delineation line is distributed in the online or different horizontal/vertical benchmark of the same horizontal/vertical benchmark on this surface.
3. light guide plate according to claim 1 is characterized in that: this angle is 90 ± 10 degree.
4. light guide plate according to claim 1 is characterized in that: this surface comprises: the incidence surface of this light guide plate, exiting surface or reflective surface.
5. light guide plate according to claim 1 is characterized in that: this array of optical elements comprises: a plurality of optical microlenses; Described a plurality of optical microlens protrudes in this surface of this light guide plate, and the shape of those optical microlenses is to be selected from semicircle, V font, R ditch and combination thereof.
6. light guide plate according to claim 1 is characterized in that: this array of optical elements comprises: a plurality of optical microlenses; Described a plurality of optical microlens indent is in this surface of this light guide plate, and the shape of those optical microlenses is to be selected from semicircle, V font, R ditch and combination thereof.
7. light guide plate according to claim 1 is characterized in that: this array of optical elements comprises: a plurality of optical microlenses, those optical microlenses are of a size of identical or inequality each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120005726 CN201917677U (en) | 2011-01-10 | 2011-01-10 | Light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120005726 CN201917677U (en) | 2011-01-10 | 2011-01-10 | Light guide plate |
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| Publication Number | Publication Date |
|---|---|
| CN201917677U true CN201917677U (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120005726 Expired - Fee Related CN201917677U (en) | 2011-01-10 | 2011-01-10 | Light guide plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081188A (en) * | 2011-01-10 | 2011-06-01 | 苏州向隆塑胶有限公司 | Light guide plate and manufacturing method thereof |
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2011
- 2011-01-10 CN CN 201120005726 patent/CN201917677U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081188A (en) * | 2011-01-10 | 2011-06-01 | 苏州向隆塑胶有限公司 | Light guide plate and manufacturing method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20110803 Termination date: 20170110 |