CN110884157A - Method for cutting reflecting sheet of backlight module - Google Patents
Method for cutting reflecting sheet of backlight module Download PDFInfo
- Publication number
- CN110884157A CN110884157A CN201911238763.9A CN201911238763A CN110884157A CN 110884157 A CN110884157 A CN 110884157A CN 201911238763 A CN201911238763 A CN 201911238763A CN 110884157 A CN110884157 A CN 110884157A
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- CN
- China
- Prior art keywords
- double
- adhesive tape
- sided adhesive
- small hole
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3475—Displays, monitors, TV-sets, computer screens
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a method for cutting a reflector plate of a backlight module, which comprises the following steps: s1, attaching a double-sided adhesive tape to the release film; s2, cutting the double-sided adhesive tape through a corrosion mould, and cutting the head and the tail of the inner side edge of the double-sided adhesive tape; s3, removing the middle part of the double-sided adhesive tape after the step S2, and attaching a reflection sheet to the double-sided adhesive tape, wherein one side of the non-reflection surface of the reflection sheet is attached to the double-sided adhesive tape; s4, punching the shape of the reflector plate and the small holes on the reflector plate by using a small hole waste suction mold, wherein the mold has a waste suction function, and waste materials at the small holes are sucked away by the small hole waste suction mold; s5, waste discharge and rolling: and (5) discharging waste materials at the edge of the reflector plate, pasting a protective film, and rolling to obtain a finished product.
Description
Technical Field
The invention relates to the technical field of cutting, in particular to a method for cutting a reflector plate of a backlight module.
Background
The backlight module is a light source device for ensuring the brightness of the back of the liquid crystal display screen, and the liquid crystal display device is transparent and can not emit light, so the backlight module is needed for assistance. Some indexes such as brightness and uniformity of the backlight module have direct influence on the relevant performance of the liquid crystal display screen. In the backlight module, the reflector plate is generally arranged at the bottom of the backlight source, and is mainly used for reflecting light leaking to the lower part through the light guide plate back to the light emergent side, so that the functions of reducing light loss and increasing light brightness are achieved. Recently, perforated reflector assemblies have required an increase in the amount of downhole jetting.
At present, the difficult waste discharge of aperture waste material of tradition cutting process, drop easily, the aperture causes the reflection easily to crush to be wounded and the aperture waste material remains in the product, direct influence yield to the manual work inspection degree of difficulty is high.
Disclosure of Invention
The invention mainly solves the technical problem of providing a method for cutting a reflector plate of a backlight module. The small hole waste suction die is used for punching and waste extraction, and the punched product is integrally formed, so that the manual inspection difficulty is reduced, and the pressure injury caused by small hole waste is avoided. At least one embodiment of the invention simultaneously improves the production yield and reduces the waste discharge process of the adhesive tape which needs to be attached to the small hole.
The invention discloses a method for cutting a reflector plate of a backlight module, which comprises the following steps:
s1, attaching a double-sided adhesive tape to the release film;
s2, cutting the double-sided adhesive tape through a corrosion mould, and cutting the head and the tail of the inner side edge of the double-sided adhesive tape;
s3, removing the middle part of the double-sided adhesive tape after the step S2, and attaching a reflection sheet to the double-sided adhesive tape, wherein one side of the non-reflection surface of the reflection sheet is attached to the double-sided adhesive tape;
s4, punching the shape of the reflector plate and the small holes on the reflector plate by using a small hole waste suction mold, wherein the mold has a waste suction function, and waste materials at the small holes are sucked away by the small hole waste suction mold;
s5, waste discharge and rolling: and (5) discharging waste materials at the edge of the reflector plate, pasting a protective film, and rolling to obtain a finished product.
In a preferred embodiment, the small hole waste suction mold comprises a knife film and a mold base.
Furthermore, two opposite sides of a non-cutting area of a base of the small hole waste suction mold are provided with positioning columns, and a groove is formed in the reverse side of the small hole waste suction mold. Specifically, the through-hole that the useless mould was inhaled to the aperture link up the recess, the recess is equipped with the gas pocket, the gas pocket is used for connecting the trachea and adsorbs the waste material to make the aperture waste material that openly cuts pass through the recess is discharged.
Drawings
The invention and its advantages will be better understood by studying the following detailed description of specific embodiments, given by way of non-limiting example, and illustrated in the accompanying drawings, in which:
FIG. 1 is a flowchart illustrating a method for cutting a reflective sheet of a backlight module according to an embodiment of the invention.
FIG. 2 is a perspective view of a small orifice waste aspiration mold in accordance with an embodiment of the present invention.
FIG. 3 is a rear view of a small orifice aspiration waste mold of an embodiment of the present invention.
Fig. 4 is a schematic structural view of a conventional reflection sheet.
Detailed Description
Referring to the drawings, wherein like reference numbers refer to like elements throughout, the principles of the present invention are illustrated in an appropriate environment. The following description is based on illustrated embodiments of the invention and should not be taken as limiting the invention with regard to other embodiments that are not detailed herein.
The word "embodiment" is used herein to mean serving as an example, instance, or illustration. In addition, the articles "a" and "an" as used in this specification and the appended claims may generally be construed to mean "one or more" unless specified otherwise or clear from context to be directed to a singular form.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in functional relationship to each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Further, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise direct contact of the first and second features through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Examples
First, referring to fig. 1-3, a method for cutting a reflective sheet of a backlight module according to an embodiment of the present invention is described, which includes the following steps:
s1, attaching a double-sided adhesive tape to the release film;
s2, cutting the double-sided adhesive tape through a corrosion mould, and cutting the head and the tail of the inner side edge of the double-sided adhesive tape;
s3, removing the middle part of the double-sided adhesive tape after the step S2, and attaching a reflection sheet to the double-sided adhesive tape, wherein one side of the non-reflection surface of the reflection sheet is attached to the double-sided adhesive tape;
s4, punching the shape of the reflector plate and the small holes on the reflector plate by using the small hole waste suction mold 1, wherein the mold has a waste suction function, and waste materials at the small holes are sucked away by the small hole waste suction mold 1;
s5, waste discharge and rolling: and (5) discharging waste materials at the edge of the reflector plate, pasting a protective film, and rolling to obtain a finished product.
The small hole waste suction mold 1 comprises a cutter film 2 and a mold base 3. And positioning columns 4 are arranged on two opposite sides of a non-cutting area of the mold base 3, and grooves 6 are formed in the reverse side of the small hole waste suction mold 1. Specifically, the aperture through-hole 7 that the useless mould was inhaled to the aperture link up recess 6, recess 6 is equipped with gas pocket 8, gas pocket 8 is used for connecting the trachea and carries out the waste material and adsorb to make the aperture waste material that openly cuts pass through recess 6 drains away.
Claims (4)
1. A method for cutting a reflector plate of a backlight module is characterized by comprising the following steps:
s1, attaching a double-sided adhesive tape to the release film;
s2, cutting the double-sided adhesive tape through a corrosion mould, and cutting the head and the tail of the inner side edge of the double-sided adhesive tape;
s3, removing the middle part of the double-sided adhesive tape after the step S2, and attaching a reflection sheet to the double-sided adhesive tape, wherein one side of the non-reflection surface of the reflection sheet is attached to the double-sided adhesive tape;
s4, punching the shape of the reflector plate and the small holes on the reflector plate by using a small hole waste suction mold, wherein the mold has a waste suction function, and waste materials at the small holes are sucked away by the small hole waste suction mold;
s5, waste discharge and rolling: and (5) discharging waste materials at the edge of the reflector plate, pasting a protective film, and rolling to obtain a finished product.
2. The method of claim 1, wherein: the small hole waste suction mold comprises a cutter film and a mold base.
3. The method of claim 2, wherein: the two opposite sides of the non-cutting area of the base of the small hole waste suction mold are provided with positioning columns, and the reverse side of the small hole waste suction mold is provided with a groove.
4. The method of claim 3, wherein: the small hole through hole of the small hole waste suction mold is communicated with the groove, the groove is provided with an air hole, and the air hole is used for connecting an air pipe to adsorb waste materials, so that the small hole waste materials cut on the front side are discharged through the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238763.9A CN110884157A (en) | 2019-12-06 | 2019-12-06 | Method for cutting reflecting sheet of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238763.9A CN110884157A (en) | 2019-12-06 | 2019-12-06 | Method for cutting reflecting sheet of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110884157A true CN110884157A (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238763.9A Pending CN110884157A (en) | 2019-12-06 | 2019-12-06 | Method for cutting reflecting sheet of backlight module |
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| Country | Link |
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| CN (1) | CN110884157A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115268126A (en) * | 2022-07-29 | 2022-11-01 | 京东方晶芯科技有限公司 | Reflective film, reflective sheet attaching apparatus and method, light-emitting substrate, and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2933762Y (en) * | 2006-05-12 | 2007-08-15 | 德昌事务用品有限公司 | Automatic chip removing device inside cutter mold |
| WO2010044463A1 (en) * | 2008-10-17 | 2010-04-22 | シャープ株式会社 | Method for cutting sheet laminate and cutting device thereof, optical sheet laminate, and backlight unit using it |
| JP2013146806A (en) * | 2012-01-18 | 2013-08-01 | Mitsubishi Rayon Co Ltd | Method of manufacturing light guide plate |
| CN206465188U (en) * | 2017-02-27 | 2017-09-05 | 苏州健腾电子科技有限公司 | One kind cross cutting uses automatic waste discharge mould |
| CN207139969U (en) * | 2017-08-25 | 2018-03-27 | 钟晓峰 | A kind of die-cutting machine automatic chip-removal mould |
| CN110027202A (en) * | 2019-04-02 | 2019-07-19 | 深圳市山本光电股份有限公司 | A kind of punching cutting process of reflectance coating |
-
2019
- 2019-12-06 CN CN201911238763.9A patent/CN110884157A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2933762Y (en) * | 2006-05-12 | 2007-08-15 | 德昌事务用品有限公司 | Automatic chip removing device inside cutter mold |
| WO2010044463A1 (en) * | 2008-10-17 | 2010-04-22 | シャープ株式会社 | Method for cutting sheet laminate and cutting device thereof, optical sheet laminate, and backlight unit using it |
| JP2013146806A (en) * | 2012-01-18 | 2013-08-01 | Mitsubishi Rayon Co Ltd | Method of manufacturing light guide plate |
| CN206465188U (en) * | 2017-02-27 | 2017-09-05 | 苏州健腾电子科技有限公司 | One kind cross cutting uses automatic waste discharge mould |
| CN207139969U (en) * | 2017-08-25 | 2018-03-27 | 钟晓峰 | A kind of die-cutting machine automatic chip-removal mould |
| CN110027202A (en) * | 2019-04-02 | 2019-07-19 | 深圳市山本光电股份有限公司 | A kind of punching cutting process of reflectance coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115268126A (en) * | 2022-07-29 | 2022-11-01 | 京东方晶芯科技有限公司 | Reflective film, reflective sheet attaching apparatus and method, light-emitting substrate, and display device |
| CN115268126B (en) * | 2022-07-29 | 2024-01-30 | 京东方晶芯科技有限公司 | Reflective film, reflective sheet attaching apparatus and method, light-emitting substrate, and display device |
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Application publication date: 20200317 |
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| RJ01 | Rejection of invention patent application after publication |