CN112285820A - Unconventional light guide plate mold core and manufacturing method and application thereof - Google Patents
Unconventional light guide plate mold core and manufacturing method and application thereof Download PDFInfo
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- CN112285820A CN112285820A CN201910676856.3A CN201910676856A CN112285820A CN 112285820 A CN112285820 A CN 112285820A CN 201910676856 A CN201910676856 A CN 201910676856A CN 112285820 A CN112285820 A CN 112285820A
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- light guide
- guide plate
- mesh point
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- regions
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00663—Production of light guides
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses an unconventional light guide plate mold core which comprises a body and a plurality of first mesh point areas with mesh points, wherein the plurality of first mesh point areas are arranged on the body, and a space is reserved between every two first mesh point areas. The invention also discloses a method for manufacturing the unconventional light guide plate mold core, which comprises the following steps: providing a substrate; presetting a plurality of areas on a substrate, wherein a space is reserved between two adjacent areas; dots are patterned in each region. The invention also discloses a method for manufacturing the unconventional light guide plate, which comprises the following steps: providing a base material; preparing a mold core by adopting the manufacturing method; transferring the mesh points on the mold core onto a base material to form a plurality of mesh point reserved areas on the base material; manufacturing mesh points in the mesh point reserved area to form a second mesh point area; and cutting the second mesh point area along the middle line of the interval to form the unconventional light guide plate. The light guide plates with different sizes are manufactured by utilizing the mold core by arranging the first mesh point areas with mesh points on the body and arranging a space between every two first mesh point areas.
Description
Technical Field
The invention relates to the technical field of light guide plates, in particular to an unconventional light guide plate mold core and a manufacturing method and application thereof.
Background
The conventional lcd is a passive display device, which does not have a light emitting characteristic and needs to be provided with a backlight module to realize a display function. The light guide plate is an important component in the backlight module and is used for guiding the propagation direction of light beams emitted from the light source and converting a line light source or a point light source into a surface light source for emitting.
The length-width ratio of the general liquid crystal display device conforms to 16: 9 or 4: 3, the length-width ratio of the display device on the automobile is generally 5: 1 or 6: 1, the length and width are greatly different.
At present, no finished product equipment for manufacturing light guide plates with unconventional sizes exists in the light guide plate hot pressing industry, so that the development of the light guide plate with unconventional proportion has positive significance by using the conventional hot pressing equipment.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
The invention aims to provide an unconventional light guide plate mold core capable of being used for manufacturing any size, a manufacturing method and application thereof.
The invention provides an unconventional light guide plate mold core which comprises a body and a plurality of first mesh point areas with first mesh points, wherein the first mesh point areas are arranged on the body, and a space is reserved between every two first mesh point areas.
In one embodiment, the plurality of first dot regions are arranged at intervals in an array manner, and first alignment marks are arranged at two ends of the outer sides of two longitudinal opposite sides of each first dot region.
In one embodiment, the first alignment mark is a first round hole of a side flanging.
In one embodiment, the size of the substrate is the same as that of a conventional light guide plate mold core.
The invention also provides a method for manufacturing the unconventional light guide plate mold core, which comprises the following steps:
providing a substrate;
presetting a plurality of regions on the substrate, wherein a space is reserved between two adjacent regions;
and photoetching a first screen point in each region to form a first screen point region.
In one embodiment, the size of the substrate is the same as that of a conventional light guide plate mold core.
In one embodiment, in the step of presetting a plurality of regions on the substrate, the plurality of regions are arranged on the substrate in an array, and the same interval is reserved between all two adjacent regions.
In one embodiment, after the step of presetting a plurality of regions on the substrate and before the step of photoetching a first dot in each of the regions, the method further includes a step of making an identifier, where the step of making an identifier specifically includes: first net point marks are made in each area, then first alignment marks are made on the outer side of each area according to the first net point marks on the outermost side, and the first alignment marks are made at two ends of the outer sides of two opposite sides of the area.
In one embodiment, the first alignment mark is a first round hole of a side flanging.
In one embodiment, in the lithography first halftone dot process: and positioning through the first alignment mark, and then photoetching according to the position of the first dot mark in each region to form a first dot region with the first dots.
The invention also provides a method for manufacturing the unconventional light guide plate, which comprises the following steps: providing a base material;
providing an unconventional light guide plate mold core, wherein the unconventional light guide plate mold core is prepared by adopting the method for manufacturing the unconventional light guide plate mold core;
transferring the mesh points on the unconventional light guide plate mold core onto the base material, forming a plurality of mesh point reserved areas with second mesh point marks on the base material, wherein the space is reserved between the adjacent mesh point reserved areas;
manufacturing mesh points in the mesh point reserved area according to the positions of the second mesh point marks on the base material to form a light guide plate with a plurality of second mesh point areas;
and cutting the light guide plate with the plurality of second screen dot areas along the middle lines of the intervals to form the unconventional light guide plate.
In one embodiment, each of the areas of the mold insert of the non-conventional light guide plate has a first alignment mark, in the transferring step, the first alignment mark is transferred to the outer side of each of the second dot areas of the substrate to form a second alignment mark corresponding to the first alignment mark, and after the transferring step and before the cutting step, the method further includes: and punching the second alignment mark to form a second round hole on the second alignment mark.
According to the unconventional light guide plate mold core provided by the invention, the plurality of first mesh point areas with mesh points are arranged on the body, and the space is reserved between every two first mesh point areas, so that the light guide plates with different sizes can be manufactured by utilizing the mold core.
Drawings
FIG. 1 is a schematic structural diagram of a cavity of an unconventional light guide plate according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for fabricating a cavity of an unconventional light guide plate according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating steps of a method for fabricating an unconventional light guide plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a light guide plate having a plurality of second dot regions according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1, an irregular light guide plate mold according to an embodiment of the present invention includes a main body 1, and a plurality of first dot regions 3 with dots disposed on the main body 1. Each first dot region 3 has a spacing H therebetween.
In this embodiment, the main body 1 is made of metal, and the main body 1 is plate-shaped. Specifically, the body 1 is made of steel.
The first dot regions 3 are arranged in an array at intervals, and the interval distance is H. Specifically, the number of the first dot regions 3 arranged on the body 1 is 2; the 2 first dot regions 3 are arranged laterally next to one another.
Two ends of the outer sides of two longitudinally opposite edges of each first dot region 3 are provided with first alignment marks 5. The first alignment mark 5 is a first round hole 5 with one side turned over. The diameter of the first circular hole 5 is 5 mm.
Referring to fig. 2, the present invention further provides a method for manufacturing an irregular light guide plate cavity, the method comprising:
s1: providing a substrate;
s2: presetting a plurality of areas on a substrate, wherein a space is reserved between two adjacent areas;
s4: and photoetching dots in each area to form a first dot area.
In step S2, a plurality of regions are arranged on the substrate in an array, and the same distance is reserved between two adjacent regions.
After step S2, the method further includes a step S3 of creating a logo, where the step S3 of creating a logo specifically includes: firstly, a plurality of first net point marks are manufactured in each area; and manufacturing a first alignment mark outside each area according to the outermost screen dot position.
In this embodiment, the first alignment marks are formed at both ends outside two opposite sides of each region.
The equipment for realizing the dot photoetching comprises a photoetching machine with a CCD positioning function. In step S4: the first alignment mark (first round hole) is used for positioning, the CCD is used for aligning the first dot mark of each area, and then the photoetching machine is used for photoetching the first dot mark to form dots.
In other implementations, the first dot mark is not required to be made on the substrate, and the first alignment mark can be used for positioning, and then the dot can be etched on the substrate by the photoetching machine according to a pre-designed route.
Referring to fig. 1, fig. 3 and fig. 4, the present invention further provides a method for manufacturing an unconventional light guide plate, the method comprising:
s5: providing a substrate 7;
s6: providing an unconventional light guide plate mold core, wherein the unconventional light guide plate mold core is prepared by adopting the method for manufacturing the unconventional light guide plate mold core;
s7: the mesh points on the unconventional light guide plate mold core are transferred to a base material 7, a plurality of mesh point reserved areas with second mesh point marks are formed on the base material 7, and a distance H is reserved between every two adjacent mesh point reserved areas;
s9: manufacturing mesh points in the mesh point reserved area according to the positions of the second mesh point marks on the base material 7 to form a light guide plate with a plurality of second mesh point areas 8;
s10: and cutting the second screen dot area 8 along the middle line 6 of the interval H to form the unconventional light guide plate.
In step S7, the substrate 7 is provided as a substrate for manufacturing a conventional light guide plate, so as to meet the requirement of manufacturing an unconventional light guide plate by a conventional apparatus.
In this embodiment, the two ends of the two opposite sides of each region of the cavity of the unconventional light guide plate have first alignment marks 5,
in the step S7, the first alignment marks 5 and the dots on the cavity of the unconventional light guide plate are transferred to the substrate 7 by hot pressing, so that a dot reservation region with a second dot mark is formed on the substrate 7, and the second alignment marks corresponding to the first alignment marks are disposed at two ends of the outer sides of two opposite sides of each dot reservation region.
After the transferring step S7, before the cutting step S9, a punching step S8 is further included, where the punching step S8 specifically includes: and punching holes on second alignment marks corresponding to the first alignment marks at two ends of the outer sides of two opposite sides of each mesh point reserved area of the base material to form second round holes 9.
The equipment for realizing the manufacturing method of the unconventional light guide plate comprises a polishing machine with an alignment needle. Polishing and inspection are also included after the cutting step S10. The polishing specifically comprises the following steps: the unconventional light guide plate cut off is positioned and fixed through the matching of the second round hole 9 and the alignment pins, and then the unconventional light guide plate is polished by using a polishing machine so as to obtain the light guide plate with the same design size. During polishing, single-piece polishing can be carried out, and lamination polishing can also be carried out simultaneously.
In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the ordinal adjectives "first", "second", etc., used to describe an element are merely to distinguish between similar elements and do not imply that the elements so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
As used herein, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The mold core of the unconventional light guide plate is characterized by comprising a body and a plurality of first mesh point areas with first mesh points, wherein the first mesh point areas are arranged on the body, and a space is reserved between every two first mesh point areas.
2. The cavity of claim 1, wherein the first dot regions are arranged in an array and spaced, and a first alignment mark is disposed at two ends of the outer sides of two opposite longitudinal sides of each first dot region.
3. The cavity of claim 2, wherein the first alignment mark is a first circular hole with a flanged side.
4. A method for manufacturing an unconventional light guide plate mold core is characterized by comprising the following steps:
providing a substrate;
presetting a plurality of regions on the substrate, wherein a space is reserved between two adjacent regions;
and photoetching a first screen point in each region to form a first screen point region.
5. The method as claimed in claim 4, wherein the step of pre-forming a plurality of regions on the substrate is performed by arranging the plurality of regions on the substrate in an array, and reserving the same distance between two adjacent regions.
6. The method as claimed in claim 4, wherein after the step of presetting a plurality of regions on the substrate and before the step of photo-etching a first dot in each of the regions, the method further comprises a step of marking, and the step of marking specifically comprises: first net point marks are made in each area, then first alignment marks are made on the outer side of each area according to the first net point marks on the outermost side, and the first alignment marks are made at two ends of the outer sides of two opposite sides of the area.
7. The method as claimed in claim 6, wherein the first alignment mark is a first circular hole with a flanged side.
8. The method as claimed in claim 6, wherein during the step of photo-etching the first dots: and positioning through the first alignment mark, and then photoetching according to the position of the first dot mark in each region to form a first dot region with the first dots.
9. A method for manufacturing an unconventional light guide plate is characterized by comprising the following steps:
providing a base material;
providing an unconventional light guide plate mold insert, wherein the unconventional light guide plate mold insert is prepared by the method for manufacturing the unconventional light guide plate mold insert according to any one of claims 4 to 8;
transferring the mesh points on the unconventional light guide plate mold core onto the base material, forming a plurality of mesh point reserved areas with second mesh point marks on the base material, wherein the space is reserved between the adjacent mesh point reserved areas;
manufacturing mesh points in the mesh point reserved area according to the positions of the second mesh point marks on the base material to form a light guide plate with a plurality of second mesh point areas;
and cutting the light guide plate with the plurality of second screen dot areas along the middle lines of the intervals to form the unconventional light guide plate.
10. The method according to claim 9, wherein a first alignment mark is disposed outside each of the regions of the cavity of the irregular light guide plate, the first alignment mark is transferred to an outside of each of the second dot regions of the substrate to form a second alignment mark corresponding to the first alignment mark in the transferring step, and the cutting step further comprises: and punching the second alignment mark to form a second round hole on the second alignment mark.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910676856.3A CN112285820B (en) | 2019-07-25 | 2019-07-25 | Unconventional light guide plate mold core and manufacturing method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910676856.3A CN112285820B (en) | 2019-07-25 | 2019-07-25 | Unconventional light guide plate mold core and manufacturing method and application thereof |
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| CN112285820A true CN112285820A (en) | 2021-01-29 |
| CN112285820B CN112285820B (en) | 2023-06-27 |
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| JP2006164877A (en) * | 2004-12-10 | 2006-06-22 | Toppan Printing Co Ltd | Film light guide plate and its manufacturing method |
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| CN206124066U (en) * | 2016-10-29 | 2017-04-26 | 深圳市嘉姆特科技有限公司 | Novel light guide plate mould |
| CN208052556U (en) * | 2018-03-26 | 2018-11-06 | 苏州天禄光科技股份有限公司 | Light guide plate hot-press arrangement and its hot pressing die |
| CN109116680A (en) * | 2018-09-27 | 2019-01-01 | 京东方科技集团股份有限公司 | Impression block and preparation method thereof |
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2019
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006164877A (en) * | 2004-12-10 | 2006-06-22 | Toppan Printing Co Ltd | Film light guide plate and its manufacturing method |
| CN102059865A (en) * | 2009-11-12 | 2011-05-18 | 京东方科技集团股份有限公司 | Light-guiding plate and printing method thereof and backlight module |
| CN202093199U (en) * | 2011-04-29 | 2011-12-28 | 瑞仪(广州)光电子器件有限公司 | Novel light guide plate for backlight module |
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| CN206124066U (en) * | 2016-10-29 | 2017-04-26 | 深圳市嘉姆特科技有限公司 | Novel light guide plate mould |
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| CN112285820B (en) | 2023-06-27 |
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