CN114346456A - Processing method and processing equipment for light guide plate mold core - Google Patents
Processing method and processing equipment for light guide plate mold core Download PDFInfo
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- CN114346456A CN114346456A CN202210094108.6A CN202210094108A CN114346456A CN 114346456 A CN114346456 A CN 114346456A CN 202210094108 A CN202210094108 A CN 202210094108A CN 114346456 A CN114346456 A CN 114346456A
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- 238000003672 processing method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 88
- 238000000034 method Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 14
- 230000004075 alteration Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The invention provides a processing method of a light guide plate mold core, which comprises the steps of providing laser to the surface of a mold core base material; moving the laser from the center of the processing region to the outer edge of the processing region, and gradually increasing the energy of the laser along with the movement of the laser from the center of the processing region to the outer edge of the processing region; and forming a recess hole in the processed region on the surface. In addition, a processing device of the light guide plate mold core using the processing method is also provided. The processing method of the light guide plate mold core and the processing equipment of the light guide plate mold core can avoid the rough surface formed by the accumulated materials and avoid the burning marks formed around the concave holes and the accumulated materials so as to reduce the optical chromatic aberration of the light guide plate.
Description
Technical Field
The present invention relates to a processing method and a processing apparatus, and more particularly, to a processing method of a light guide plate cavity and a processing apparatus of a light guide plate cavity using the same.
Background
The current display panel requires low optical chromatic aberration to improve the display quality of the panel and enhance the viewing experience of the user. The optical chromatic aberration of the display panel is related to the light guide plate. The existing light guide plate can be manufactured by a mold, and the microstructure on the mold core of the light guide plate is formed with a plurality of notches by laser burning. During the laser burning process, the accumulated material beside the notch forms a rough surface, and the periphery of the notch has obvious burning traces, so that the optical chromatic aberration of the light guide plate is increased. Therefore, it is an urgent need in the art to solve the above-mentioned problems, such as how to avoid the rough surface formed by the accumulated material of the light guide plate mold and avoid the burning marks on the periphery.
The background section is only provided to aid in understanding the present disclosure, and thus the disclosure in the background section may include some prior art that does not constitute a part of the knowledge of one skilled in the art. The disclosure in the "background" section does not represent a representation of the disclosure or the problems that may be solved by one or more embodiments of the present invention, but is known or appreciated by those skilled in the art prior to the filing of the present application.
Disclosure of Invention
The invention provides a processing method of a light guide plate mold core and processing equipment of the light guide plate mold core, which can avoid the formation of rough surfaces of accumulated materials and avoid the formation of burning marks around concave holes and the accumulated materials so as to reduce the optical chromatic aberration of a light guide plate.
Other objects and advantages of the present invention will be further understood from the technical features disclosed in the present invention.
In order to achieve one or a part or all of the above or other objects, the processing method of the light guide plate mold insert of the present invention comprises: providing laser to the surface of the mold core base material; moving the laser from the center of the processing region to the outer edge of the processing region, and gradually increasing the energy of the laser along with the movement of the laser from the center of the processing region to the outer edge of the processing region; and forming a recess hole in the processed region on the surface.
The processing equipment of the light guide plate mold core comprises a laser providing unit, a laser track control unit and a laser energy control unit. The laser providing unit provides laser to the surface of the mold core base material. The laser trajectory control unit is disposed on a transmission path of the laser light, and controls the laser light to move from a center of the processing region on the surface to an outer edge of the processing region. The laser energy control unit is coupled to the laser providing unit and controls the energy of the laser to gradually increase along with the movement of the laser from the center of the processing area to the outer edge of the processing area.
Based on the above, the embodiments of the invention have at least one of the following advantages or efficacies. In the processing method of the light guide plate mold core, the laser moves from the center to the outer edge in the processing area of the mold core base material to form the accumulated material with a smooth surface in the mold core base material, and the accumulated material has a smaller thickness. In addition, in the processing process, the energy of the laser gradually increases along with the movement of the laser from the center of the processing area to the outer edge of the processing area so as to form a concave hole with an inverted cone shape, and the injection molding of the light guide plate is facilitated. In addition, the processing method can also avoid burning marks formed around the concave hole and the accumulated materials. Therefore, the effect of reducing the optical chromatic aberration of the light guide plate manufactured by the light guide plate mold core can be achieved.
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a simplified block diagram of a part of a processing apparatus for a mold core of a light guide plate according to an embodiment of the present invention.
Fig. 2 is a flowchart of a method for processing a mold insert of a light guide plate according to an embodiment of the invention.
Fig. 3 is an installation diagram of the processing equipment for the light guide plate mold core of fig. 1.
Fig. 4A is a schematic diagram of a movement trajectory of the laser of fig. 3.
Fig. 4B and 4C are schematic cross-sectional views of the core base material of fig. 4A during processing.
Fig. 5A is a schematic top view of the mold core base material of fig. 4A after processing.
Fig. 5B is a schematic sectional view of the mold core base material of fig. 5A.
Fig. 6 is an actual sectional view of the mold core base material of fig. 2 after processing.
Fig. 7 is a schematic view of a light guide plate manufactured by a light guide plate mold according to an embodiment of the invention.
List of reference numerals
100 processing equipment
110 laser supply unit
120 laser track control unit
121: galvanometer module
122 first galvanometer
122a1 first drive unit
122a2 first mirror
124 second galvanometer
124a1 second drive unit
124a2 second mirror
130 laser energy control unit
140 focusing mirror
200a, 200b core base material
210a, 210b surfaces
212 machining area
214 center of
215 center line
216 outer edge
220a, 220b concave holes
220a1, 220a2 notch
222a, 222b depth
230a, 230a1, 230a2, 230b piled material
400 light source
500 light guide plate
502 light guide structure
A1 first axial direction
A2 second axial direction
A3 third axial direction
D1 first distance
D2 second distance
D3 third distance
H is thickness difference
L laser
LT spiral track
S1, S2, S3
T1, T2, T3.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of a preferred embodiment when read in conjunction with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.
Fig. 1 is a simplified block diagram of a part of a processing apparatus for a mold core of a light guide plate according to an embodiment of the present invention. Referring to fig. 1, a processing apparatus 100 for a mold insert of a light guide plate of the present embodiment includes a laser providing unit 110, a laser track control unit 120, and a laser energy control unit 130. The laser providing unit 110 is used for providing laser L to the surface 210a (shown in fig. 3) of the mold core base material 200 a. The laser energy control unit 130 is coupled to the laser providing unit 110 to control the energy of the laser L. The laser trajectory control unit 120 is disposed on a transmission path of the laser light L so as to move the laser light L on the surface 210 a. The laser providing unit 110 is, for example, a laser diode light source module. The laser trajectory control unit 120 is, for example, a microprocessor, and the laser energy control unit 130 is, for example, a microprocessor.
Fig. 2 is a flowchart of a method for processing a mold insert of a light guide plate according to an embodiment of the invention. Fig. 3 is an installation diagram of the processing equipment for the light guide plate mold core of fig. 1. Fig. 3 corresponds to step S1 of fig. 2. Referring to fig. 2 and fig. 3, the laser track control unit 120 of the present embodiment includes a galvanometer module 121, and the processing apparatus 100 further includes a focusing mirror 140. The galvanometer module 121 includes a first galvanometer 122 and a second galvanometer 124. The laser L is transmitted to the surface 210a of the core base material 200a through the first vibrating mirror 122 and the second vibrating mirror 124 (step S1), and the laser L is focused on the surface 210a through the focusing mirror 140 to form a concave hole 220a in the core base material 200a (shown in fig. 5B). The first galvanometer 122 includes a first drive unit 122a1 and a first mirror 122a 2. The first driving unit 122a1 is connected to the first mirror 122a2, the first galvanometer 122 controls the laser L to move along the first axis a1 on the surface 210a by controlling the first mirror 122a2 to move and/or rotate via the first driving unit 122a1, and the second galvanometer 124 includes a second driving unit 124a1 and a second mirror 124a 2. The second driving unit 124a1 is connected to the second mirror 124a2, and the second mirror 124a2 is controlled by the second driving unit 124a1 to move and/or rotate, and the second galvanometer 124 controls the laser light L to move along the second axial direction a2 on the surface 210 a. The first and second driving units 122a1 and 124a1 are, for example, motors, mechanical arms, and the like. It should be noted that, since the depth of the concave hole 220a is formed in the micrometer scale, the focal length in the third axis direction a3 does not need to be adjusted in the present embodiment, but the invention is not limited thereto. The core base material 200a of the present embodiment is made of stainless steel, but not limited thereto.
Fig. 4A is a schematic diagram of a movement trajectory of the laser of fig. 3. Fig. 4A shows a processing area 212 on the surface 210a of the core base material 200a and a traveling track of the laser L, and a dotted line indicates an outer edge 216 of the processing area 212. Referring to fig. 1 to fig. 4A, fig. 4A corresponds to step S2 of fig. 2. The laser trace control unit 120 in the processing apparatus 100 for the light guide plate mold core controls the laser L to move on the surface 210a of the mold core base material 200a, and burns the mold core base material 200a to form a concave hole 220a (shown in fig. 5B).
As shown in fig. 4A, the laser light L moves from the center 214 of the processing region 212 to the outer edge 216 of the processing region 212, and more specifically, the laser light L of the present embodiment moves along the spiral trajectory LT in the processing region 212, but the present invention is not limited thereto. The moving trajectory of the laser L may be an appropriate trajectory moving from the center 214 to the outer edge 216. Thereby, a stack of materials 230a (shown in fig. 5B) having a smooth surface can be formed in the core base material 200 a. Further, the machining apparatus 100 controls the energy of the laser light L by the laser energy control unit 130 so that the energy of the laser light L gradually increases as the laser light L moves from the center 214 of the machining region 212 to the outer edge 216 of the machining region 212 (step S2). In other words, the energy of the laser light L is positively correlated with the distance from the laser light L to the center 214, and the energy of the laser light L at the center 214 is smaller than the energy of the laser light L at the outer edge 216. The power of the laser beam supply unit 110 of the present embodiment is 20W, and the energy of the laser beam L at the center 214 to the energy of the laser beam L at the outer edge 216 is controlled to be in the range of 60% to 80% of the power of the laser beam supply unit 110. Therefore, the concave hole 220a can have an inverted conical section, and injection molding of the light guide plate is facilitated. In addition, by the processing method, the burning trace formed around the concave hole 220a and the stacked material 230a can be avoided to influence the optical chromatic aberration of the light guide plate.
Fig. 4B and 4C are schematic cross-sectional views of the core base material of fig. 4A during processing. It should be noted that the notches 220a1, 220a2 and the stacked materials 230a1, 230a2 shown in fig. 4A and 4C are merely exemplary, and are not intended to limit the actual shapes of the notches 220a1, 220a2 and the stacked materials 230a1, 230a 2. In fig. 4B and 4C, a center line 215 passing through the center 214 (shown in fig. 4A) of the machining region 212 is plotted. Referring to fig. 4B and 4C, while the laser L moves in the processing region 212, the laser L continuously cauterizes the surface 210a of the core base material 200a to form the notch 220a 1. When the laser L has a first distance D1 from the center 214 (center line 215) of the processing region 212, as shown in fig. 4B, the cavity base material 200a is burned by the laser L to form a deposited material 230a1 around the recess 220a 1. Since laser L is moving along spiral trajectory LT, when laser L has a second distance D2 greater than D1 of the first distance from center 214 (center line 215) of machined region 212, as shown in fig. 4C, laser L burns build-up material 230a1 to remove build-up material 230a1 and form another notch 220a 2. Another accumulation 230a2 of material is formed around the notch 220a 2. Similarly, when laser L has a third distance D3 greater than D2 of the second distance from center 214 (centerline 215) of machining region 212, laser L cauterizes build-up material 230a2 to remove build-up material 230a 2. By analogy, during the process that the laser L moves from inside to outside along the spiral track LT (shown in fig. 4A) in the processing region 212, the above steps are repeated to gradually enlarge the notch 220a2, and part of the accumulated material formed in the process is removed by the burning of the laser L, so that the accumulated material is less, and finally, when the laser L moves from inside to outside on the surface 210a to the outer edge 216 of the processing region 212, the mold core base material 200a forms the inverted conical notch 220a and the accumulated material 230a (shown in fig. 5B) with a smooth surface and a small thickness on the outer edge 216 of the processing region 212 by the processing of the laser L.
Fig. 5A is a schematic top view of the mold core base material of fig. 4A after processing. Fig. 5B is a schematic sectional view of the mold core base material of fig. 5A. Referring to fig. 5A and 5B, the laser L forms a concave hole 220a in the processing area 212 (shown in fig. 4A) of the surface 210a of the core base material 200a and deposits the material 230a by the processing method (step S3). As shown in fig. 5A, the shape of the concave hole 220a on the surface 210a of the core base material 200a is approximately circular, and the shape of the accumulated material 230a on the surface 210a is an annular shape surrounding the concave hole 220 a. Since the energy of the laser beam L gradually increases as the laser beam L moves from the center 214 of the processing region 212 to the outer edge 216 (shown in fig. 4A) of the processing region 212 during the processing, the cross section of the concave hole 220a has an inverted cone shape as shown in fig. 5B. In other words, the aperture of the recess 220a increases from the bottom of the recess 220a to the top of the recess 220a, and the aperture of the bottom of the recess 220a is smaller than the aperture of the top of the recess 220a, so that the recess 220a is easy to be injection molded.
In the present embodiment, the operating frequency of the laser L is 40000Hz to maintain the stability of the shape of the recess 220 a. The laser L is applied for 200 μ s at a single point to control the depth 222a of the recess 220a in the third axial direction a 3. In addition, since the laser L moves along the spiral track LT and burns the stacked materials 230a1 and 230a2 (shown in fig. 4B and 4C) during the processing, the surface of the finally formed stacked material 230a is smooth, as shown in fig. 5B, the stacked material 230a is substantially conical, and the thickness T1 of the stacked material 230a in the third axial direction A3 direction is not greater than two-thirds of the depth 222a of the concave hole 220a, so as to improve the optical chromatic aberration of the light guide plate.
In short, the method for processing the mold core of the light guide plate of the present embodiment can significantly improve the burning traces of the concave hole 220a in the mold core base material 200a and the periphery of the stacked material 230a, and form a smoother surface on the stacked material 230a and make the concave hole 220a present an inverted cone shape. The mold core base material 200a according to the present embodiment can be used to manufacture a light guide plate mold core, and then a light guide plate is manufactured from the light guide plate mold core. The properties of the recesses 220a and the deposited material 230a, such as surface roughness and shape, will affect the light guiding structure on the light guiding plate. The optical chromatic aberration of the light guide plate manufactured by using the mold core base material 200a of the embodiment as a mold is small.
Fig. 6 is an actual sectional view of the mold core base material of fig. 2 after processing. Referring to fig. 6, the reverse tapered recess 220b may be actually formed according to the above-mentioned processing method. As shown in fig. 6, in practice, the accumulated material 230b may have different thicknesses T2, T3 on both sides of the concave hole 220 b. As described above, the processing method of the present embodiment reduces the amount of the finally accumulated deposition material, reduces the thickness of the deposition material, and reduces the thickness difference of the deposition material itself. Specifically, the maximum thickness T2 of the stacked material 230b shown in fig. 6 is not greater than two-thirds of the depth 222b of the concave hole 220b, and the thickness difference H between the maximum thickness T2 and the minimum thickness T3 is not greater than 1 μm, so as to reduce the influence on the optical chromatic aberration of the light guide plate.
Fig. 7 is a schematic view of a light guide plate manufactured by a light guide plate mold according to an embodiment of the invention. Referring to fig. 7, the light guide plate mold insert manufactured by the above-mentioned processing method is used to manufacture the light guide plate 500 of the present embodiment. Taking the concave holes 220b of fig. 6 as an example, the plurality of concave holes 220b formed in the mold core base material 200b will form corresponding convex portions on the surface of the light guide plate 500, and the accumulated material 230b will form corresponding concave portions on the surface of the light guide plate 500. The concave and convex portions are formed as the light guide structure 502, and the surface flatness and shape of the concave hole 220b and the accumulated material 230b in the mold core base material 200b will be reflected on the light guide structure 502 of the light guide plate 500, so that the light guide structure 502 of the light guide plate 500 of the present embodiment has a smoother surface, the convex portions of the light guide structure 502 are tapered, and no additional rough structure (burning trace) is formed at the periphery of the convex and concave portions.
When light from the light source 400 is incident into the light guide plate 500 from the side (e.g., the direction of the second axis a 2), the light is transmitted in the direction of the arrow, and the light guide structure 502 of the light guide plate 500 will destroy the total reflection of the light to guide the light to exit from the front (the direction of the third axis A3) of the light guide plate 500. The light guide structure 502 affects the refraction angle of the light emitted from the light guide plate 500, and further affects the optical chromatic aberration of the light guide plate 500. For example, the optical color difference of a typical light guide plate is about 20%, and the optical color difference of the light guide plate 500 of the present embodiment is about 13.9%.
In summary, the embodiments of the invention have at least one of the following advantages or effects. In the processing method of the light guide plate mold core, the laser moves from the center to the outer edge in the processing area of the mold core base material to form the accumulated material with a smooth surface in the mold core base material, and the accumulated material has a smaller thickness. In addition, in the processing process, the energy of the laser gradually increases along with the movement of the laser from the center of the processing area to the outer edge of the processing area so as to form a concave hole with an inverted cone shape, and the injection molding of the light guide plate is facilitated. In addition, the processing method can also avoid burning marks formed around the concave hole and the accumulated materials. Therefore, the effect of reducing the optical chromatic aberration of the light guide plate manufactured by the light guide plate mold core can be achieved.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the content of the specification should be included in the scope of the present invention. It is not necessary for any embodiment or claim of the invention to achieve all of the objects or advantages or features disclosed herein. Furthermore, the abstract and the title of the specification are provided only for assisting the retrieval of patent documents and are not intended to limit the scope of the present invention. Furthermore, the terms "first", "second", and the like in the description or the claims are used only for naming elements (elements) or distinguishing different embodiments or ranges, and are not used for limiting the upper limit or the lower limit on the number of elements.
Claims (11)
1. A processing method of a light guide plate mold insert is characterized by comprising the following steps:
providing laser to the surface of the mold core base material;
moving the laser beam from a center of a processing region to an outer edge of the processing region, and gradually increasing energy of the laser beam as the laser beam moves from the center of the processing region to the outer edge of the processing region; and
forming a recess in the processing region on the surface.
2. The method as claimed in claim 1, wherein the step of moving the laser beam from the center of the processing region to the outer edge of the processing region comprises:
moving the laser along a spiral trajectory over the surface.
3. The method as claimed in claim 1, wherein the step of gradually increasing the energy of the laser beam as the laser beam moves from the center of the processing region to the outer edge of the processing region comprises:
when the laser has a first distance from the center of the processing area on the surface, the die core base material forms a stacking material on the surface by processing of the laser; and
the laser removes the build-up material when the laser has a second distance on the surface from a center of the processing region that is greater than the first distance.
4. The method as claimed in claim 1, wherein the step of gradually increasing the energy of the laser beam as the laser beam moves from the center of the processing region to the outer edge of the processing region comprises:
when the laser is positioned at the outer edge of the processing area on the surface, the mold core base material forms accumulated materials at the outer edge of the processing area by the processing of the laser.
5. The method as claimed in claim 4, wherein the step of forming the deposited material on the outer edge of the processing region by the laser processing comprises:
the thickness of the stacked material is not more than two-thirds of the depth of the concave hole.
6. The method as claimed in claim 4, wherein the step of forming the deposited material on the outer edge of the processing region by the laser processing comprises:
the difference between the maximum thickness of the build-up material and the minimum thickness of the build-up material is no greater than 1 micron.
7. The method as claimed in claim 1, wherein the method comprises:
and increasing the aperture of the concave hole from the bottom of the concave hole to the top of the concave hole.
8. The processing equipment of the light guide plate mold core is characterized by comprising a laser providing unit, a laser track control unit and a laser energy control unit, wherein the laser providing unit, the laser track control unit and the laser energy control unit are arranged on the same plane, and the laser track control unit is arranged on the same plane as the laser providing unit
The laser providing unit provides laser to the surface of the mold core base material;
the laser track control unit is configured on a transmission path of the laser and controls the laser to move from the center of a processing area on the surface to the outer edge of the processing area; and
the laser energy control unit is coupled to the laser providing unit and controls the energy of the laser to gradually increase along with the movement of the laser from the center of the processing area to the outer edge of the processing area.
9. The apparatus of claim 8, wherein the laser track control unit controls the laser to move along a spiral track on the surface.
10. The apparatus for processing a mold insert of a light guide plate according to claim 8, wherein the laser trace control unit comprises a galvanometer module.
11. The apparatus of claim 10, wherein the mirror module comprises a first mirror and a second mirror, the laser beam is transmitted to the surface through the first mirror and the second mirror, the first mirror controls the laser beam to move along a first axial direction on the surface, and the second mirror controls the laser beam to move along a second axial direction on the surface.
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| CN202210094108.6A CN114346456A (en) | 2022-01-26 | 2022-01-26 | Processing method and processing equipment for light guide plate mold core |
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| CN202210094108.6A CN114346456A (en) | 2022-01-26 | 2022-01-26 | Processing method and processing equipment for light guide plate mold core |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101161400A (en) * | 2007-11-13 | 2008-04-16 | 苏州维旺科技有限公司 | Method for manufacturing mould core of light conducting plate |
| CN102151999A (en) * | 2011-02-10 | 2011-08-17 | 苏州茂立光电科技有限公司 | Method for manufacturing optical microstructure patterns in light guide plate |
| US20120195550A1 (en) * | 2011-01-31 | 2012-08-02 | Global Lighting Technology Inc. | Method of making optical microstructure pattern on light guide plate, light guide plate thereof and imprinting mold |
| CN103207429A (en) * | 2012-01-17 | 2013-07-17 | 扬昕科技(苏州)有限公司 | Light guide plate and manufacture method thereof |
| US20160082549A1 (en) * | 2013-05-09 | 2016-03-24 | Toyota Jidosha Kabushiki Kaisha | Laser drilling method and apparatus with radiation output changes in a radial direction during drilling of a workpiece |
| TW201710054A (en) * | 2015-09-04 | 2017-03-16 | 茂林光電科技股份有限公司 | Manufacturing method of optical microstructure, processing machine table and its light guide plate mold having excellent structural strength for prolonging service life of the convex portion as the mold |
| CN110216368A (en) * | 2018-03-01 | 2019-09-10 | 扬昕科技(苏州)有限公司 | A kind of method and system making mode |
| WO2020177121A1 (en) * | 2019-03-07 | 2020-09-10 | 由磊 | Manufacturing method for laser-scribed light guide plate |
| CN112872621A (en) * | 2021-01-21 | 2021-06-01 | 厦门兆松光电科技有限公司 | Table lamp light guide plate mesh point processing technology |
-
2022
- 2022-01-26 CN CN202210094108.6A patent/CN114346456A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101161400A (en) * | 2007-11-13 | 2008-04-16 | 苏州维旺科技有限公司 | Method for manufacturing mould core of light conducting plate |
| US20120195550A1 (en) * | 2011-01-31 | 2012-08-02 | Global Lighting Technology Inc. | Method of making optical microstructure pattern on light guide plate, light guide plate thereof and imprinting mold |
| CN102151999A (en) * | 2011-02-10 | 2011-08-17 | 苏州茂立光电科技有限公司 | Method for manufacturing optical microstructure patterns in light guide plate |
| CN103207429A (en) * | 2012-01-17 | 2013-07-17 | 扬昕科技(苏州)有限公司 | Light guide plate and manufacture method thereof |
| US20160082549A1 (en) * | 2013-05-09 | 2016-03-24 | Toyota Jidosha Kabushiki Kaisha | Laser drilling method and apparatus with radiation output changes in a radial direction during drilling of a workpiece |
| TW201710054A (en) * | 2015-09-04 | 2017-03-16 | 茂林光電科技股份有限公司 | Manufacturing method of optical microstructure, processing machine table and its light guide plate mold having excellent structural strength for prolonging service life of the convex portion as the mold |
| CN110216368A (en) * | 2018-03-01 | 2019-09-10 | 扬昕科技(苏州)有限公司 | A kind of method and system making mode |
| WO2020177121A1 (en) * | 2019-03-07 | 2020-09-10 | 由磊 | Manufacturing method for laser-scribed light guide plate |
| CN112872621A (en) * | 2021-01-21 | 2021-06-01 | 厦门兆松光电科技有限公司 | Table lamp light guide plate mesh point processing technology |
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