CN1677130A - Method for making optical substrate - Google Patents
Method for making optical substrate Download PDFInfo
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- CN1677130A CN1677130A CN 200410033305 CN200410033305A CN1677130A CN 1677130 A CN1677130 A CN 1677130A CN 200410033305 CN200410033305 CN 200410033305 CN 200410033305 A CN200410033305 A CN 200410033305A CN 1677130 A CN1677130 A CN 1677130A
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- optical element
- manufacture method
- surface pattern
- described optical
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Abstract
A method to produce a kind of basic optics material comprises the following steps: (A) heating-the first and the second material should reach the melting state. (B) piling the first and the second material. (C) pressing the first and the second material to the basic material with certain wide and thickness. (D) shaping a certain grain on the surface of the second material. (E) cooling the material. (F) incise the basic material.
Description
Technical field
The present invention is relevant with optical element, particularly about a kind of manufacture method of optical element.
Background technology
Existing downward back optical modular unit, include a framework, be equiped with a reflecting piece, plural tubes and a diffuser plate on it in regular turn, this diffuser plate of the direct directive of light source of these fluorescent tube parts, the light source of part then is this reflecting piece of directive, establishes to this diffuser plate by this reflecting piece reflection.This diffuser plate forms a uniform surface light source with the diffusion of the light source that passes.
This diffuser plate is to stick diffusion film, prismatic film and bright enhancement film on a substrate in regular turn.These optical thin film costs are not only expensive, and the processing procedure of adhered film still depends on manual work at present, and job costs are increased.
In addition, must be coated with a glue-line earlier between each layer film, make these films are attached on this transparency carrier in regular turn.Therefore, whether this glue-line is coated with evenly, whether each film exerts pressure on average, all is the optical characteristics that influence this diffuser plate, except the size of each film and the key factor the optical characteristics.And be dependent on the attaching work of manual work, cause the acceptance rate of commonly using diffuser plate not good.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of manufacture method of optical element, and its processing procedure is easy and acceptance rate is high.
For reaching aforesaid goal of the invention, the manufacture method of a kind of optical element provided by the present invention includes the following step:
Heat one first material and one second material to molten condition;
With this first material and this second material stacks together;
Pressurize this first material and this second material make it to form a base material with a preset width and a predetermined thickness, and
At the predetermined surface pattern of the shaping surface one of this second material.
Description of drawings
Fig. 1 is the process flow diagram of the present invention's first preferred embodiment;
Fig. 2 is the cut-open view of first kind of optical element manufacturing of the method for foundation the present invention first preferred embodiment;
Fig. 3 is the cut-open view of second kind of optical element manufacturing of the method for foundation the present invention first preferred embodiment;
Fig. 4 is the cut-open view of the third optical element of manufacturing of the method for foundation the present invention first preferred embodiment;
Fig. 5 is the process flow diagram of the present invention's second preferred embodiment;
Fig. 6 is the cut-open view of first kind of optical element manufacturing of the method for foundation the present invention second preferred embodiment;
Fig. 7 is the cut-open view of second kind of optical element manufacturing of the method for foundation the present invention second preferred embodiment.
Concrete ten thousand formulas of implementing
See also shown in Figure 1ly, the manufacture method of the optical element that the present invention's first preferred embodiment is provided includes the following step:
(A) one first material and one second material are heated to molten condition.
This first material is the particles material that contains diffusion particle, can be polymethylmethacrylate (Polymethyl methacrylate, PMMA), polycarbonate (Polycarbonate, PC) or cyclic olefin polymer (Cyclic Olefins Polymer COP) waits material.This second material is a clear plastic grain material.(Cyclic Olefins Polymer COP) waits material to can be polymethylmethacrylate (PMMA), polycarbonate (PC) or cyclenes cigarette polymkeric substance.
(B) this first material and one second material with molten injects a connector (adapter), makes second material stacks on this first material.
This connector has the effect of the thickness proportion of this first material of decision and this second material.
(C) this first material and one second material are injected a die head (die head), making its extension is one to have the base material of preset width.
(D) utilize a pressure rolling roller set (roller calender), roll extrusion makes it have a preset thickness by the base material that this die head flows out.Have a predetermined rag on this pressure rolling roller, therefore when second material of its this base material of roll extrusion, can make the surface of this second material form a surface pattern (surface profile) of being scheduled to.
(E) base material of cooling after pressure rolling makes its curing.
(F) cut this base material.
According to aforesaid method, this base material is finished in a successional processing procedure, do not need to paste in artificial mode in addition the step of diffusion film and light harvesting film, so the simplification of the acceptance rate of product and processing procedure can improve.Can be more than 0.5mm according to the base material thickness that this method is produced, preferable thickness is at 1mm to 5mm.And the thickness of this second material formed thereby can be more than 1 μ m, and preferable thickness is at 50 μ m to 200 μ m.
See also shown in Figure 2ly, the optical element 10 that manufactures through abovementioned steps has a ground floor 12 and a second layer 14, and wherein this ground floor 12 is formed by this first material, and this second layer 14 is formed by this second material.Have diffusion particle 16 in this ground floor 12 in order to diffusion light, and the surface of this second layer 14 has surface pattern 18, can form the effect of prism.In other words, the function of the ground floor 12 of this optical element 10 is as diffuser plate commonly used, and the function of this second layer 14 such as same prismatic film combine the two but have glue-line between these two layers.
In aforesaid manufacturing step, the surface of this first material also can go out a predetermined surface pattern by coining in the pressure rolling process of step (D), the optical element 20 that so manufactures, shown in Figure 3, have a ground floor 22 and a second layer 24, wherein these ground floor 22 surfaces have a first surface lines 26, and these second layer 24 surfaces have a second surface lines 28.This first surface lines 26 provides the function of diffusion, and this second surface lines 28 provides the function of light harvesting.
In optical element shown in Figure 3, have diffusion particle 30 equally in this ground floor 22, can more improve the function of diffusion.Certainly, because this first surface lines 26 has had the function of diffusion, also can not have diffusion particle in this ground floor.And in manufacturing step, only need that this first material is chosen as the general material with diffusion particle and get final product.
In addition, in step (B), after this of molten first material and one second material inject a connector (adapter), this connector is arranged in this second material respectively the both sides of this first material, thus formed optical element 32, as shown in Figure 4, have a ground floor 34 and two second layers 36, lay respectively at the both sides of this ground floor 34.And the surface of this two second layer 36 has a surface pattern 38,40 respectively.Second material that forms this second layer 36 can be the material of low water absorbable, for example: cyclenes cigarette polymkeric substance (Cyctic Olefins Polymer, COP) or the cycloolefin co-polymer (Cyclic Olefins Copolymer, COC).
Be that in this preferred embodiment, formed surface pattern on this optical element is and the pressure rolling step that step (D) is carried out simultaneously what this will propose to illustrate.On the practice, can be only in step (D) for this optical element of pressure rolling to predetermined thickness, and after treating this optical element cooling, utilize known pressure rolling stamp processing procedure again, wire mark processing procedure, gold-tinted processing procedure or additive method are done secondary processing and are finished.
See also shown in Figure 5, the manufacture method of the optical element that the present invention's second preferred embodiment is provided, this optical element has three layers, includes the following step:
(A) one first material, one second material and one the 3rd material are heated to molten condition.
(B) this first material of molten, this second material and the 3rd material are injected a die head with multithread road, the 3rd material and second material are stacked on this first material in regular turn, and to make its extension be one to have the base material of preset width.
(C) utilize one first pressure rolling roller set, roll extrusion makes it have a preset thickness by the base material that this die head flows out.
(D) utilize one second pressure rolling roller set, have a predetermined rag on this pressure rolling roller, therefore when second material of its this base material of roll extrusion, can make the surface of this second material form a surface pattern (surface profile).
(E) base material of cooling after pressure rolling makes its curing.
(F) cut this base material.
See also shown in Figure 6ly, the optical element 42 that manufactures through abovementioned steps has a ground floor 44, a second layer 46 and one the 3rd layer 48, wherein the 3rd layer 48 between the ground floor 44 and the second layer 46.This ground floor 44 is formed by this first material, and this second layer 46 is formed by this second material, and the 3rd layer 48 is formed by the 3rd material.This ground floor 44 is transparent base material, have diffusion particle 50 in the 3rd layer 48 in order to diffusion light, and the surface of this second layer 46 has surface pattern 52, can form the effect of prism.Also can be at aforesaid optical element 42 in the shaping surface one surface pattern (not shown) of this ground floor 44.
In the manufacture method of second preferred embodiment, this first material, this second material have different material behaviors with the 3rd material, for example: have the high grade of transparency material, have diffusion particle in material wherein, the material of low water absorbable or the material of high reflective etc., so that this optics sheet material can provide preferable optical effect.
In step (B), this second material and the 3rd material can be arranged at the both sides of this first material respectively, see also shown in Figure 7ly, this optical element 54 has a ground floor 56, a second layer 58 and one the 3rd layer 60, and wherein ground floor 56 is between the second layer 58 and the 3rd layer 60.Have diffusion particle 62 in this ground floor 56, it is for 64, the three layer 60 to make with the reflective material of height that the surface of this second layer 58 has surface pattern, to form the function of reflective membrane.
In step (D), on the 3rd layer, also can impress out a surface pattern, and form similar structure shown in Figure 4.Only the second layer 58 of these ground floor 56 both sides and the 3rd layer 60 by being formed with different materials.
Principle according to identical can add four kinds of (or more than four kinds) different materials, to be formed in together in the manufacture method of the present invention.And the optical element that manufactures can have four layers (or more than four layers), and is stacked with predefined procedure.
Claims (13)
1. the manufacture method of an optical element is characterized in that including the following step:
Heat one first material and one second material to molten condition;
With this first material and this second material stacks together;
Pressurize this first material and this second material make it to form a base material with a preset width and a predetermined thickness;
At the predetermined surface pattern of the shaping surface one of this second material;
Cool off this base material, and
Cut this base material.
2. according to the manufacture method of the described optical element of claim 1, it is characterized in that: wherein this second material is stacked on respectively on the two opposite sides of this first material.
3. according to the manufacture method of the described optical element of claim 2, it is characterized in that: wherein include on the surface of second material that is positioned at these first material both sides and be formed separately a surface pattern.
4. according to the manufacture method of the described optical element of claim 1, it is characterized in that: wherein have diffusion particle in this first material.
5. according to the manufacture method of the described optical element of claim 1, it is characterized in that: wherein include the surface pattern of being scheduled at the shaping surface one of this first material.
6, the manufacture method according to the described optical element of claim 1 is characterized in that: wherein pressurize this first material and this second material are finished simultaneously with the step at the shaping surface surface pattern of this second material.
7. the manufacture method of an optical element is characterized in that including the following step:
Heat one first material, one second material and one the 3rd material to molten condition;
With this first material, this second material and the 3rd material stacks together;
Pressurize this first material, this second material and the 3rd material make it to form a base material with a preset width and a predetermined thickness;
At the predetermined surface pattern of the shaping surface one of this base material;
Cool off this base material, and
Cut this base material.
8. according to the manufacture method of the described optical element of claim 7, it is characterized in that: wherein the 3rd material stacks is on this first material, and this second material stacks is on the 3rd material.
9. according to the manufacture method of the described optical element of claim 7, it is characterized in that: wherein this second material and the 3rd material are stacked on respectively on the two opposite sides of this first material.
10. according to the manufacture method of the described optical element of claim 8, it is characterized in that: wherein more include shaping surface one surface pattern at this first material.
11. the manufacture method according to the described a kind of optical element of claim 9 is characterized in that: wherein more include shaping surface one surface pattern at the 3rd material.
12. the manufacture method according to the described optical element of claim 7 is characterized in that: wherein pressurize this first material and this second material are finished simultaneously with the step at the shaping surface surface pattern of this second material.
13. the manufacture method of an optical element is characterized in that including the following step:
Heat one first material and one second material to molten condition;
With this first material and this second material stacks together, and extend this first material and this second material to a preset width;
Pressurize this first material and this second material make it to form a base material with a predetermined thickness, and
At the predetermined surface pattern of the shaping surface one of this second material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410033305 CN1677130A (en) | 2004-04-02 | 2004-04-02 | Method for making optical substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410033305 CN1677130A (en) | 2004-04-02 | 2004-04-02 | Method for making optical substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1677130A true CN1677130A (en) | 2005-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410033305 Pending CN1677130A (en) | 2004-04-02 | 2004-04-02 | Method for making optical substrate |
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| CN (1) | CN1677130A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147505A (en) * | 2010-02-08 | 2011-08-10 | 菲尼萨公司 | Enhanced multi-body type optical equipment |
| CN105974512A (en) * | 2016-06-06 | 2016-09-28 | 广州创维平面显示科技有限公司 | Light guide plate, backlight module, display device and manufacture method for light guide plate |
| WO2017063583A1 (en) * | 2015-10-14 | 2017-04-20 | 昇印光电（昆山）股份有限公司 | Micro optical-imaging film and imaging apparatus |
-
2004
- 2004-04-02 CN CN 200410033305 patent/CN1677130A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147505A (en) * | 2010-02-08 | 2011-08-10 | 菲尼萨公司 | Enhanced multi-body type optical equipment |
| US8903206B2 (en) | 2010-02-08 | 2014-12-02 | Finisar Corporation | Reinforced multi-body optical devices |
| WO2017063583A1 (en) * | 2015-10-14 | 2017-04-20 | 昇印光电（昆山）股份有限公司 | Micro optical-imaging film and imaging apparatus |
| CN106597581A (en) * | 2015-10-14 | 2017-04-26 | 昇印光电（昆山）股份有限公司 | Micro-optics imaging film and image device |
| US11262484B2 (en) | 2015-10-14 | 2022-03-01 | Shine Optoelectronics (Kunshan) Co., Ltd | Micro-optical imaging film and imaging device |
| CN105974512A (en) * | 2016-06-06 | 2016-09-28 | 广州创维平面显示科技有限公司 | Light guide plate, backlight module, display device and manufacture method for light guide plate |
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