CN117962015A - Die cutting method and device for OCA material under OLED display screen - Google Patents
Die cutting method and device for OCA material under OLED display screen Download PDFInfo
- Publication number
- CN117962015A CN117962015A CN202410367324.2A CN202410367324A CN117962015A CN 117962015 A CN117962015 A CN 117962015A CN 202410367324 A CN202410367324 A CN 202410367324A CN 117962015 A CN117962015 A CN 117962015A
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- oca
- shaft
- station
- film
- pet
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- 239000000463 material Substances 0.000 title claims abstract description 45
- 238000005520 cutting process Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000084 colloidal system Substances 0.000 claims abstract description 49
- 239000002699 waste material Substances 0.000 claims abstract description 46
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 45
- 229920002799 BoPET Polymers 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims description 70
- 239000002994 raw material Substances 0.000 claims description 57
- 239000002390 adhesive tape Substances 0.000 claims description 24
- 238000004064 recycling Methods 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 11
- 230000001070 adhesive effect Effects 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Electroluminescent Light Sources (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a die cutting method and device for an OCA material under an OLED display screen, and belongs to the technical field of OCA die cutting; forming an OCA shape at a cutter leveling station; the circular knife station M1 discharges waste materials of the outer frame; the circular knife station M2 eliminates the PET film on the surface; the circular knife station M3 extracts waste materials in small holes of the product; the circular knife station M4 is attached to the upper PET release film of the product. The invention adopts the combination of flat cutter die cutting and circular cutter die cutting to integrate, and the OCA main body product is molded by the flat cutter die cutting, so that the product has good dimensional stability and high CPK value; the die cutting of the circular knife is matched to remove colloid waste from the appearance and small holes in the product, and the production and processing process adopts a film processing mode in the process of covering, so that the appearance quality, yield and efficiency of the product can be better improved.
Description
Technical Field
The invention relates to the technical field of OCA die cutting, in particular to a die cutting method and device for an OCA material under an OLED display screen.
Background
The OCA optical adhesive is used as an optimal adhesive between touch screens, and in order to meet the bonding size requirement of the touch screens, die cutting processing and forming are required to be carried out on OCA raw materials so as to meet the size requirement when the OCA optical adhesive is bonded with the touch screens; OCA is an optical acrylic base material-free adhesive, and has the problems of quick adhesive back, low adhesive stretching strength, long stretching property, easy appearance flaws and the like in material processing, and a product forming structure needs to be respectively adhered with a release film on the upper side and the lower side of the OCA optical adhesive, so that the optical acrylic base material-free adhesive can meet the convenient and simple requirements of customers.
Because the OCA optical adhesive is attached to the OLED touch screen, the requirement of the OCA optical adhesive on the product size after molding is required to reach CPK >1.33, and the appearance of the product is free of flaws and anomalies, but the conventional OCA optical adhesive die cutting processing technology cannot completely meet the requirement of the product.
The existing OCA optical cement processing technology method is divided into two types, namely flat cutter die cutting and circular cutter die cutting, and the following problems exist when the flat cutter die cutting processing technology is adopted: a. the small-pore colloid waste in the product cannot be completely discharged, the product quality is affected, and the comprehensive yield is about 80%; b. efficiency is reduced due to the unsatisfactory waste discharge effect, 1500PCS/H; when the circular knife die cutting process is adopted, the following problems are caused: a. because the running direction of the X axis of the circular knife has variable, the size cannot be accurately controlled, and the size stability is low, so that the size CPK cannot meet the requirement; b. the overall product quality cannot be achieved due to the size problem, and the comprehensive yield is about 80%.
Disclosure of Invention
In order to overcome the technical problems in the background art, the invention provides a die cutting method of an OCA material under an OLED display screen and equipment for realizing the method.
In order to solve the problems, the invention provides a die cutting method of an OCA material under an OLED display screen, which comprises the following steps:
S1, feeding OCA raw materials through a discharging device, wherein the OCA raw materials enter a platform from the device raw materials and pass through the platform;
s2, enabling the OCA raw materials to pass through the flat cutter stations, installing a flat cutter die by utilizing a die installation platform on the flat cutter stations, and cutting the OCA raw materials by utilizing the flat cutter die;
S3, removing the upper-layer outer frame PET after the product is molded through a circular cutter station M1, and recycling the waste by adopting a first collecting/discharging shaft;
s4, unreeling the raw material PET raw film by using a second reeling/unreeling shaft, and attaching the raw material PET raw film to the main material belt OCA outer frame colloid through a first auxiliary shaft;
S5, removing the PET raw film and the OCA outer frame colloid through a second auxiliary shaft, and recycling the PET raw film and the OCA outer frame colloid waste through a third collecting/discharging shaft;
S6, unreeling the raw material adhesive tape by using a fourth reeling/unreeling shaft, attaching the adhesive tape to the upper PET film through a circular cutter station M2, immediately and upwards and synchronously removing the adhesive tape and the upper PET film, and recycling waste materials of the adhesive tape and the upper PET film by using a fifth reeling/unreeling shaft;
s7, unreeling a raw material PET raw film by using a sixth reeling/unreeling shaft, attaching the raw material PET raw film to the OCA colloid of the inner hole of the product through a circular cutter station M3, immediately and synchronously discharging the OCA colloid waste of the inner hole of the product from the PET raw film upwards, and recycling the OCA colloid waste of the inner hole of the product by using a seventh reeling/unreeling shaft;
s8, unreeling the raw material light release film by using an eighth reeling/unreeling shaft, attaching the raw material light release film to the main material belt OCA product colloid through a third auxiliary shaft, and enabling the raw material belt to flow into the next working procedure through a circular cutter station M4.
As a further improvement of the present invention, in the step S7, the circular knife waste lifting knife is mounted on the circular knife station M3.
The invention also provides die cutting equipment for the OCA material under the OLED display screen, which comprises a frame, wherein the frame is sequentially provided with a raw material entering platform, a flat cutter station, a circular cutter station M1, a circular cutter station M2, a circular cutter station M3 and a circular cutter station M4;
A first auxiliary shaft and a second auxiliary shaft are arranged between the circular knife station M1 and the circular knife station M2;
A third auxiliary shaft is arranged between the circular cutter station M3 and the circular cutter station M4;
and a first material collecting/discharging shaft, a second material collecting/discharging shaft, a third material collecting/discharging shaft, a fourth material collecting/discharging shaft, a fifth material collecting/discharging shaft, a sixth material collecting/discharging shaft, a seventh material collecting/discharging shaft and an eighth material collecting/discharging shaft are arranged above the frame.
Further, the circular knife station M1 is used for removing the upper layer outer frame PET after the product is molded, and recycling the waste through the first collecting/discharging shaft;
The second winding/unwinding shaft is used for unwinding a raw material PET raw film and is attached to the main material belt OCA outer frame colloid through the first auxiliary shaft;
the second auxiliary shaft is used for removing the PET raw film and the OCA outer frame colloid, and recycling the PET raw film and the OCA outer frame colloid waste through the third collecting/discharging shaft;
The fourth collecting/discharging shaft is used for unreeling raw material adhesive tapes, bonding the adhesive tapes with the upper PET film through a circular cutter station M2, immediately and upwards synchronously discharging the adhesive tapes and the upper PET film, and recycling waste materials of the adhesive tapes and the upper PET film through a fifth collecting/discharging shaft;
the sixth collecting/discharging shaft is used for collecting raw material PET raw films, attaching the raw material PET raw films to the OCA colloid with the inner small holes of the product through a circular cutter station M3, immediately and synchronously discharging the OCA colloid waste materials with the inner small holes of the product upwards, and recycling the OCA colloid waste materials with the inner small holes of the product through the seventh collecting/discharging shaft;
The eighth winding/unwinding shaft is used for unwinding the raw material light release film, is attached to the main material belt OCA product colloid through the third auxiliary shaft, and flows into the next working procedure through the main material belt of the circular cutter station M4.
Further, a flat cutter die is arranged on the flat cutter station and is used for cutting OCA raw materials and forming OCA shapes, and a circular cutter waste lifting cutter is arranged on the circular cutter station M3 and is used for discharging small-hole OCA colloid waste.
Further, a dust cover is arranged between the circular knife station M2 and the circular knife station M3.
The invention has the beneficial effects that:
The invention adopts the combination of flat cutter die cutting and circular cutter die cutting to integrate, and the OCA main body product is molded by the flat cutter die cutting, so that the product has good dimensional stability and high CPK value; the die cutting of the circular knife is matched to remove colloid waste from the appearance and small holes in the product, and the production and processing process adopts a film processing mode in the process of covering, so that the appearance quality, yield and efficiency of the product can be better improved.
Drawings
FIG. 1 is a schematic flow chart of a die-cutting method of the invention;
Fig. 2 is a schematic structural view of the die cutting device of the present invention.
Parts and numbers in the figure:
1-a first collecting/discharging shaft; 2-a second take-up/pay-off shaft; 3-a third collecting/discharging shaft; 4-a fourth collecting/discharging shaft; 5-a fifth take-up/pay-off shaft; 6-a sixth take-up/pay-off shaft; 7-seventh take-up/pay-off shaft; 8-eighth take-up/pay-off shaft; 9-feeding the raw materials into a platform; 10-a flat cutter station; 11-a circular cutter station M1; 12-a circular knife station M2; 13-a circular cutter station M3;14—a circular knife station M4; 15-a dust cover; 100-a first auxiliary shaft; 200-a second auxiliary shaft; 300-a third auxiliary shaft; 1000-frame.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Example 1
As shown in fig. 1, the die cutting method of the OCA material under the OLED display screen in this embodiment includes the following steps:
s1, feeding OCA raw materials through a discharging device, wherein the OCA raw materials pass through a platform 9 from the device raw materials;
S2, enabling the OCA raw materials to pass through the cutter leveling stations 10, installing a cutter leveling die by utilizing a die installation platform on the cutter leveling station 10, and cutting the OCA raw materials by utilizing the cutter leveling die;
S3, discharging the upper-layer outer frame PET after the product is molded through a circular cutter station M1, and recycling the waste by adopting a first collecting/discharging shaft 1;
S4, unreeling the raw material PET raw film by using a second reeling/unreeling shaft 2, and attaching the raw material PET raw film to the main material belt OCA outer frame colloid through a first auxiliary shaft 100;
S5, removing the PET raw film and the OCA outer frame colloid through a second auxiliary shaft 200, and recycling the PET raw film and the OCA outer frame colloid waste by adopting a third collecting/discharging shaft 3;
S6, unreeling the raw material adhesive tape by using a fourth reeling/unreeling shaft 4, attaching the adhesive tape to the upper PET film through a circular cutter station M2, immediately and upwards synchronously removing the adhesive tape and the upper PET film, and recycling waste materials of the adhesive tape and the upper PET film by using a fifth reeling/unreeling shaft 5;
S7, unreeling a raw material PET raw film by using a sixth reeling/unreeling shaft 6, attaching the raw material PET raw film and the OCA colloid of the inner small hole of the product through a circular cutter station M3 13, immediately and synchronously discharging the PET raw film and the OCA colloid waste of the inner small hole of the product upwards, and recycling the PET raw film and the OCA colloid waste of the inner small hole of the product by using a seventh reeling/unreeling shaft 7; the circular knife station M3 is provided with a circular knife waste lifting knife;
S8, unreeling the raw material light release film by using an eighth reeling/unreeling shaft 8, attaching the raw material light release film to the OCA product colloid of the main material belt by using a third auxiliary shaft 300, and enabling the main material belt to flow into the next working procedure by using a circular cutter station M4 14.
Example two
As shown in fig. 2, the die cutting device for OCA materials under an OLED display screen in this embodiment includes a frame 1000, where a raw material entering platform 9, a flat cutter station 10, a round cutter station M1 11, a round cutter station M2 12, a round cutter station M3 13, and a round cutter station M4 are sequentially disposed on the frame 1000;
A first auxiliary shaft 100 and a second auxiliary shaft 200 are arranged between the circular knife station M1 and the circular knife station M2;
A third auxiliary shaft 300 is arranged between the circular cutter station M3 and the circular cutter station M4;
A first receiving/discharging shaft 1, a second receiving/discharging shaft 2, a third receiving/discharging shaft 3, a fourth receiving/discharging shaft 4, a fifth receiving/discharging shaft 5, a sixth receiving/discharging shaft 6, a seventh receiving/discharging shaft 7 and an eighth receiving/discharging shaft 8 are arranged above the frame 1000.
Further, the circular knife station M1 is used for removing the upper layer outer frame PET after the product is molded,
This waste is recovered by a first collecting/discharging shaft 1;
The second winding/unwinding shaft 2 is used for unwinding a raw material PET raw film and is attached to the main material belt OCA outer frame colloid through the first auxiliary shaft 100;
The second auxiliary shaft 200 is used for removing the PET raw film and the OCA outer frame colloid, and recycling the PET raw film and the OCA outer frame colloid waste through the third collecting/discharging shaft 3;
The fourth collecting/discharging shaft 4 is used for discharging raw material adhesive tapes, bonding the adhesive tapes with the upper PET film through the circular cutter station M2 12, immediately and upwards synchronously discharging the adhesive tapes and the upper PET film, and recycling waste materials of the adhesive tapes and the upper PET film through the fifth collecting/discharging shaft 5;
The sixth collecting/discharging shaft 6 is used for collecting raw material PET raw films, attaching the raw material PET raw films to the OCA colloid with the inner small holes of the product through a circular cutter station M3, immediately and synchronously discharging the PET raw films and the OCA colloid waste with the inner small holes of the product upwards, and recycling the PET raw films and the OCA colloid waste with the inner small holes of the product through the seventh collecting/discharging shaft 7;
The eighth winding/unwinding shaft 8 is used for unwinding the raw material light release film, is attached to the main material belt OCA product colloid through the third auxiliary shaft 300, and flows into the next process through the main material belt of the circular cutter station M4 14.
Further, a flat cutter die is installed on the flat cutter station 10 and is used for cutting OCA raw materials to form an OCA shape, and a round cutter waste lifting cutter is installed on the round cutter station M3 13 and is used for discharging small-hole OCA colloid waste.
Further, a dust cover 15 is arranged between the circular knife station M2 12 and the circular knife station M3.
Table 1 below shows the comparison of the conventional flat and circular knife process and flat and circular knife combined process data:
TABLE 1
| Technological scheme | Size of the device | Production efficiency | Comprehensive yield |
| Ping Daogong art | CPK>1.33 | 1500PCS/H | 80% |
| Circular knife process | CPK<1.33 | 3000PCS/H | 80% |
| Flat and round process | CPK>1.33 | 3000PCS/H | >92% |
The invention adopts the combination of flat cutter die cutting and circular cutter die cutting to integrate, and the OCA main body product is molded by the flat cutter die cutting, so that the product has good dimensional stability and high CPK value; the die cutting of the circular knife is matched to remove colloid waste from the appearance and small holes in the product, and the production and processing process adopts a film processing mode in the process of covering, so that the appearance quality, yield and efficiency of the product can be better improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The die cutting method of the OCA material under the OLED display screen is characterized by comprising the following steps of:
S1, feeding OCA raw materials through a discharging device, wherein the OCA raw materials pass through a device raw material entering platform (9);
s2, enabling the OCA raw materials to pass through a flat cutter station (10), installing a flat cutter die by utilizing a die installation platform on the flat cutter station (10), and cutting the OCA raw materials by utilizing the flat cutter die;
S3, removing the upper-layer outer frame PET after the product is molded through a circular cutter station M1 (11), and recycling the waste by adopting a first collecting/discharging shaft (1);
s4, unreeling the raw material PET raw film by using a second material collecting/unreeling shaft (2), and attaching the raw material PET raw film with an OCA outer frame colloid of a main material belt through a first auxiliary shaft (100);
s5, removing the PET raw film and the OCA outer frame colloid through a second auxiliary shaft (200), and recycling the PET raw film and the OCA outer frame colloid waste through a third collecting/discharging shaft (3);
S6, unreeling the raw material adhesive tape by using a fourth reeling/unreeling shaft (4), attaching the adhesive tape to the upper PET film by using a circular cutter station M2 (12), immediately and upwards synchronously discharging the adhesive tape and the upper PET film, and recycling waste materials of the adhesive tape and the upper PET film by using a fifth reeling/unreeling shaft (5);
S7, unreeling the raw material PET raw film by using a sixth material collecting/unreeling shaft (6), attaching the raw material PET raw film with the OCA colloid of the small holes in the product through a circular cutter station M3 (13), immediately and synchronously discharging the PET raw film and the OCA colloid waste of the small holes in the product upwards, and recycling the PET raw film and the OCA colloid waste of the small holes in the product by using a seventh material collecting/unreeling shaft (7);
S8, unreeling the raw material light release film by using an eighth reeling/unreeling shaft (8), attaching the film to the OCA product colloid of the main material belt by using a third auxiliary shaft (300), and enabling the film to flow into the next process through the main material belt of the circular knife station M4 (14).
2. The method for die cutting of OCA materials under an OLED display screen according to claim 1, wherein in step S7, a circular knife waste extracting knife is mounted on the circular knife station M3 (13).
3. The die cutting equipment for the OCA material under the OLED display screen comprises a frame (1000) and is characterized in that a raw material entering platform (9), a flat cutter station (10), a circular cutter station M1 (11), a circular cutter station M2 (12), a circular cutter station M3 (13) and a circular cutter station M4 (14) are sequentially arranged on the frame (1000);
A first auxiliary shaft (100) and a second auxiliary shaft (200) are arranged between the circular knife station M1 (11) and the circular knife station M2 (12);
a third auxiliary shaft (300) is arranged between the circular cutter station M3 (13) and the circular cutter station M4 (14);
The automatic feeding and discharging machine is characterized in that a first receiving/discharging shaft (1), a second receiving/discharging shaft (2), a third receiving/discharging shaft (3), a fourth receiving/discharging shaft (4), a fifth receiving/discharging shaft (5), a sixth receiving/discharging shaft (6), a seventh receiving/discharging shaft (7) and an eighth receiving/discharging shaft (8) are arranged above the machine frame (1000).
4. A die cutting apparatus for OCA materials under an OLED display screen as claimed in claim 3, wherein:
the circular knife station M1 (11) is used for removing the upper layer outer frame PET after the product is molded, and recycling the waste through the first collecting/discharging shaft (1);
the second material collecting/discharging shaft (2) is used for unreeling a raw material PET raw film and is attached to the main material belt OCA outer frame colloid through the first auxiliary shaft (100);
the second auxiliary shaft (200) is used for removing the PET raw film and the OCA outer frame colloid, and recycling the PET raw film and the OCA outer frame colloid waste through the third collecting/discharging shaft (3);
The fourth collecting/discharging shaft (4) is used for collecting raw material adhesive tapes, bonding the adhesive tapes with the upper PET film through the circular cutter station M2 (12), immediately and upwards discharging the adhesive tapes and the upper PET film synchronously, and recovering waste materials of the adhesive tapes and the upper PET film through the fifth collecting/discharging shaft (5);
The sixth collecting/discharging shaft (6) is used for collecting raw PET film, attaching the raw PET film with the OCA colloid of the inner small hole of the product through the circular cutter station M3 (13), immediately and upwards synchronously discharging the PET film and the OCA colloid waste of the inner small hole of the product, and recycling the PET film and the OCA colloid waste of the inner small hole of the product through the seventh collecting/discharging shaft (7);
the eighth winding/unwinding shaft (8) is used for unwinding a raw material light release film, is attached to the main material belt OCA product colloid through a third auxiliary shaft (300), and flows into the next working procedure through a circular cutter station M4 (14) main material belt.
5. The die cutting equipment for OCA materials under an OLED display screen according to claim 4, wherein a flat cutter die is arranged on the flat cutter station (10) and is used for cutting OCA raw materials and forming OCA shapes, and a circular cutter waste lifting cutter is arranged on the circular cutter station M3 (13) and is used for removing small-hole OCA colloid waste.
6. The die cutting device for OCA materials under an OLED display screen according to claim 4, wherein a dust cover (15) is disposed between the circular knife station M2 (12) and the circular knife station M3 (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410367324.2A CN117962015A (en) | 2024-03-28 | 2024-03-28 | Die cutting method and device for OCA material under OLED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410367324.2A CN117962015A (en) | 2024-03-28 | 2024-03-28 | Die cutting method and device for OCA material under OLED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117962015A true CN117962015A (en) | 2024-05-03 |
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ID=90861546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410367324.2A Pending CN117962015A (en) | 2024-03-28 | 2024-03-28 | Die cutting method and device for OCA material under OLED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117962015A (en) |
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|---|---|---|---|---|
| CN203973663U (en) * | 2014-08-11 | 2014-12-03 | 天津市日津科技有限公司 | A kind of cross cutting linkage |
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| CN112847650A (en) * | 2020-12-31 | 2021-05-28 | 深圳市锦上嘉科技有限公司 | Combined type die cutting process and die cutting system for volume paper |
| CN214724885U (en) * | 2020-12-22 | 2021-11-16 | 南京冠佳科技有限公司 | A circular knife mould that is used for naked processing of cutting of OCA optical cement |
| WO2022016723A1 (en) * | 2020-07-22 | 2022-01-27 | 太仓展新胶粘材料股份有限公司 | Preparation method for optically clear adhesive (oca) having round hole with light-shading black edge, and die-cutting apparatus therefor |
| WO2022036854A1 (en) * | 2020-08-19 | 2022-02-24 | 太仓展新胶粘材料股份有限公司 | Preparation method for optically clear adhesive (oca) having light-shielding edge |
| CN115056290A (en) * | 2022-06-20 | 2022-09-16 | 苏州天华超净科技股份有限公司 | OCA optical cement circular knife naked-cutting pneumatic anti-sticking auxiliary tool and die cutting process |
| CN220826098U (en) * | 2023-08-24 | 2024-04-23 | 东莞市钛科光电科技有限公司 | OCA circular knife reverse die cutting equipment |
-
2024
- 2024-03-28 CN CN202410367324.2A patent/CN117962015A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203973663U (en) * | 2014-08-11 | 2014-12-03 | 天津市日津科技有限公司 | A kind of cross cutting linkage |
| CN207448666U (en) * | 2017-11-03 | 2018-06-05 | 深圳市哈德胜精密科技股份有限公司 | A kind of automatic wheel rotation mold cutting machine with flat cutter punching module |
| WO2022016723A1 (en) * | 2020-07-22 | 2022-01-27 | 太仓展新胶粘材料股份有限公司 | Preparation method for optically clear adhesive (oca) having round hole with light-shading black edge, and die-cutting apparatus therefor |
| WO2022036854A1 (en) * | 2020-08-19 | 2022-02-24 | 太仓展新胶粘材料股份有限公司 | Preparation method for optically clear adhesive (oca) having light-shielding edge |
| CN214724885U (en) * | 2020-12-22 | 2021-11-16 | 南京冠佳科技有限公司 | A circular knife mould that is used for naked processing of cutting of OCA optical cement |
| CN112847650A (en) * | 2020-12-31 | 2021-05-28 | 深圳市锦上嘉科技有限公司 | Combined type die cutting process and die cutting system for volume paper |
| CN115056290A (en) * | 2022-06-20 | 2022-09-16 | 苏州天华超净科技股份有限公司 | OCA optical cement circular knife naked-cutting pneumatic anti-sticking auxiliary tool and die cutting process |
| CN220826098U (en) * | 2023-08-24 | 2024-04-23 | 东莞市钛科光电科技有限公司 | OCA circular knife reverse die cutting equipment |
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