CN110978831B - Lens protection sheet surface printing process - Google Patents
Lens protection sheet surface printing process Download PDFInfo
- Publication number
- CN110978831B CN110978831B CN201911308320.2A CN201911308320A CN110978831B CN 110978831 B CN110978831 B CN 110978831B CN 201911308320 A CN201911308320 A CN 201911308320A CN 110978831 B CN110978831 B CN 110978831B
- Authority
- CN
- China
- Prior art keywords
- protection sheet
- lens protection
- printing
- lens
- upper cover
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000003854 Surface Print Methods 0.000 title claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 40
- 238000001035 drying Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 230000001678 irradiating effect Effects 0.000 claims abstract description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 7
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 5
- 239000005751 Copper oxide Substances 0.000 claims description 5
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 5
- 229910000431 copper oxide Inorganic materials 0.000 claims description 5
- 239000003085 diluting agent Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 17
- 238000012216 screening Methods 0.000 description 16
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000005192 partition Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Printing Methods (AREA)
Abstract
The invention discloses a lens protection sheet surface printing process which is characterized by comprising the following steps: step 1: cleaning and drying a lens protection sheet to be printed; step 2: placing the lens protection sheet in a printing fixture, and printing ink on a window area of the lens protection sheet; and step 3: placing the printing clamp in a baking device, and drying the ink in the window area of the lens protection sheet; and 4, step 4: printing UV glue on one surface of the lens protection sheet printed with ink, moving the printing clamp to a dust-free environment, irradiating the lens protection sheet by using a UV lamp, curing the UV glue outside a window area of the lens protection sheet, and the like. According to the invention, the UV glue is printed on the lens protection sheet, so that the lens protection sheet is more bright in color and better in gloss and brightness, and the pursuit of young users on fashion is met; meanwhile, the printing fixture is adopted for auxiliary printing during printing, so that the printing efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of lens protection sheet processing, and particularly provides a lens protection sheet surface printing process.
Background
The mobile phone lens protection sheet is an important part on the smart mobile phone, and can effectively protect the lens of the mobile phone from being damaged. In order to increase the appearance effect of the mobile phone lens protection sheet, annular texture patterns can be etched on the protection sheet in the production process of the mobile phone lens protection sheet, so that the mobile phone lens protection sheet is more personalized.
Disclosure of Invention
The invention aims to overcome the defects and provide a lens protection sheet surface printing process with better gloss and brightness.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a lens protection sheet surface printing process comprises the following steps:
step 1: cleaning and drying a lens protection sheet to be printed;
step 2: placing the lens protection sheet in a printing fixture, and printing ink on a window area of the lens protection sheet;
and step 3: placing the printing clamp in a baking device, and drying the ink in the window area of the lens protection sheet;
and 4, step 4: printing UV glue on one surface of the lens protection sheet printed with ink, moving the printing clamp to a dust-free environment, irradiating the lens protection sheet by using a UV lamp, and curing the UV glue outside a window area of the lens protection sheet;
and 5: taking the lens protection sheet out of the printing clamp, placing the lens protection sheet in a butanol solution, and removing UV glue in a window area of the lens protection sheet;
step 6: removing ink in the window area of the lens protection sheet by adopting an ink removing agent;
and 7: and cleaning and drying the lens protection sheet to finish printing.
Further, the printing fixture in the step 2 comprises a base, a printing upper cover matched with the base, and a curing upper cover matched with the base; the printing upper cover and the curing upper cover can be covered on the base.
Be provided with a plurality of camera lens screening glass on the base and place the chamber, the thickness of camera lens screening glass is greater than the degree of depth that the chamber was placed to the camera lens screening glass.
The printing upper cover is provided with printing holes the number of which is the same as that of the lens protection sheet placing cavities, and the shapes and the sizes of the printing holes are matched with those of the window areas on the lens protection sheet; when the printing upper cover is covered with the base, the printing hole is overlapped with the window area on the lens protection sheet, and the upper surface of the lens protection sheet is attached to the top of the printing upper cover.
The curing upper cover is provided with light-shielding sheets the number of which is the same as that of the lens protection sheet placing cavities, and the shapes and the sizes of the light-shielding sheets are matched with those of the window areas on the lens protection sheet; when the curing upper cover is covered with the base, the shading sheet is superposed with the window area on the lens protection sheet, and a gap h is formed between the upper surface of the lens protection sheet and the top of the curing upper cover; the curing upper cover is made of a light-transmitting material.
The clearance h between the upper surface of the lens protection sheet and the top of the upper curing cover is 1-2 mm.
The step 2 specifically comprises the following steps: placing the lens protection sheet in the lens protection sheet placing cavity, and enabling the surface to be printed to be upward; and covering the printing upper cover on the base, printing ink on the upper surface of the printing upper cover, and printing the ink on the window area of the lens protection sheet through the printing holes.
The step 4 specifically comprises the following steps: taking down the upper printing cover, and printing UV glue on the surface of the lens protection sheet printed with the ink; the upper cover lid that will solidify closes on the base to move printing jig to and adopt the UV lamp to shine the camera lens screening glass perpendicularly under the dustless environment, the shading sheet shelters from the UV of camera lens screening glass window area and glues, and the ultraviolet ray can't shine camera lens screening glass window area, only glues the UV outside camera lens screening glass window area and solidifies.
The UV adhesive comprises the following components in parts by weight: 30-45 parts of modified acrylate, 10-15 parts of epoxy resin, 8-10 parts of reactive diluent, 5-8 parts of photoinitiator, 25-8 parts of PN-70and 0.1-0.3 part of copper oxide.
The thickness of the printed UV glue is 0.01-0.03 mm.
Compared with the prior art, the invention has the following advantages and beneficial effects: according to the invention, the UV glue is printed on the lens protection sheet, so that the lens protection sheet is more bright in color and better in gloss and brightness, and the pursuit of young users on fashion is met; meanwhile, the printing fixture is adopted for auxiliary printing during printing, so that the printing efficiency is greatly improved.
Drawings
Fig. 1 is a structural view of a base of the present invention.
Fig. 2 is a structural view of the printing cover of the present invention.
Fig. 3 is a schematic view of the printing cover of the present invention covering the base.
Fig. 4 is a structural view of the curing cover of the present invention.
In the drawings, the names corresponding to the reference numbers are:
the lens protection device comprises a base, a lens protection sheet placing cavity, a printing upper cover, a printing hole, a lens protection sheet, a curing upper cover and a shading sheet, wherein the lens protection sheet placing cavity is formed by 1-the base, 2-the lens protection sheet placing cavity, 3-the printing upper cover, 4-the printing hole, 5-the lens protection sheet, 6-the curing upper cover and.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Example 1
The lens protection sheet surface printing process of the embodiment comprises the following steps:
step 1: and cleaning the lens protection sheet to be printed in clear water to remove stains on the lens protection sheet so that printing ink can be better attached to the lens protection sheet, and drying the cleaned lens protection sheet.
Step 2: and (3) placing the lens protection sheet in a printing clamp, and printing ink on the window area of the lens protection sheet. Specifically, as shown in fig. 1 to 4, the printing jig includes a base 1, a printing upper cover 3, and a curing upper cover 6. The printing upper cover 3 and the curing upper cover 6 are matched with the base 1, namely, the printing upper cover 3 and the curing upper cover 6 can be covered on the base 1.
As shown in fig. 1, a plurality of partition plates are arranged in the base 1, a lens protection sheet placing cavity 2 is formed between two adjacent partition plates, and the partition plates are isolated, so that the lens protection sheet placing cavity 2 is formed in the base 1, the number of the lens protection sheet placing cavities 2 can be set according to actual conditions, during printing, the lens protection sheets 5 to be printed are placed in the lens protection sheet placing cavities 2 respectively, and one lens protection sheet placing cavity 2 corresponds to one lens protection sheet 5.
Correspondingly, printing upper cover 3 can be closed on base 1, because all there is the window region on every lens protection sheet 5, the window region is the position of the camera that corresponds the cell-phone, it does not need printing, consequently, for more convenient printing, be provided with printing hole 4 on this printing upper cover 3, the quantity of printing hole 4 is the same with the quantity that chamber 2 was placed to the lens protection sheet, the quantity of printing hole 4 is the same with the quantity that the window region on the lens protection sheet placed in chamber 2 was placed to the lens protection sheet promptly, as shown in fig. 2.
The shape and the size of the printing hole 4 are matched with those of a window area on the lens protection sheet 5. When the printing upper cover 3 is covered with the base 1, the printing hole 4 is coincided with the window area on the lens protection sheet.
In order to print ink in the window area, the thickness of the lens protection sheet 5 is greater than the depth of the lens protection sheet placing cavity 2, after the lens protection sheet 5 is placed in the lens protection sheet placing cavity 2, when the printing upper cover 3 is covered on the base 1, the upper surface of the lens protection sheet 5 is attached to the top of the printing upper cover 3, and the window area leaks from the printing hole 4.
The step of printing ink on the window area of the lens protection sheet 5 specifically comprises the following steps: firstly, placing a lens protection sheet in a lens protection sheet placing cavity 2, wherein one lens protection sheet 5 corresponds to one lens protection sheet placing cavity 2, and meanwhile, one surface needing printing ink faces upwards; then, the upper printing cover 3 is covered on the base 1, as shown in fig. 3, the printing fixture is moved to a printing machine, ink is printed on the upper surface of the upper printing cover 3, the ink is printed on the window area of the lens protection sheet through the printing holes 4, and the ink is not printed outside the window area.
And step 3: after the window area of the lens protection sheet is printed with ink, the printing clamp is placed in a baking device, and the ink in the window area of the lens protection sheet is dried. In this step, the printing upper cover 3 may be removed and then the ink may be dried. In this example, the ink was baked at 100 ℃ for 15 minutes.
And 4, step 4: after the ink is baked, printing UV glue on the whole surface printed with the ink in the lens protection sheet, moving the printing clamp to a dust-free environment, irradiating the lens protection sheet by using a UV lamp, and curing the UV glue outside a window area of the lens protection sheet.
Because the UV glue can be cured only under the irradiation of ultraviolet rays, in order to prevent the UV glue in the window area of the lens protection sheet from being cured and the UV glue outside the window area from being cured, the curing upper cover 6 is made of a light-transmitting material, and the light-transmitting material in the embodiment is realized by adopting transparent glass.
Specifically, as shown in fig. 4, the curing upper cover 6 is provided with the light-shielding sheets 7, the number of which is the same as that of the lens protection sheet placing cavities 2, and the shape and the size of the light-shielding sheets 7 are matched with those of the window area on the lens protection sheet, when the curing upper cover 6 is covered with the base 1, the light-shielding sheets 7 are overlapped with the window area on the lens protection sheet, so that the light-shielding sheets 7 can shield ultraviolet rays from irradiating the UV glue in the window area, and the UV glue in the window area is prevented from being cured.
When 6 lids of solidification upper cover close on base 1, there is clearance h between the upper surface of camera lens screening glass and the top of solidification upper cover 6, consequently, solidification upper cover 6 can not wipe and hang the UV glue film, clearance h between the upper surface of camera lens screening glass and the 6 tops of solidification upper cover is 1 ~ 2mm, this embodiment sets up to 1.5mm, clearance h can not be too big, if too big reasons such as the refraction of light, the window region of camera lens screening glass can be shone to the ultraviolet ray, make the regional UV of window glue solidification, influence subsequent process flow.
The thickness of the printed UV glue is 0.01-0.03 mm, and the thickness of the printed UV glue in the embodiment is 0.015 mm.
Based on the structure of the printing clamp, the specific operation method in the step is as follows: take off printing upper cover 3, the whole surface printing UV who has printing ink in the camera lens screening glass glues, then will solidify upper cover 6 lid and close on base 1 to move printing jig to dustless environment under, adopt UV lamp vertical irradiation camera lens screening glass, the UV that lens screening glass 7 was regional with camera lens screening glass shelters from, the UV can't shine camera lens screening glass regional UV glues, only solidifies camera lens screening glass window regional UV.
The UV glue adopted in the embodiment comprises the following components in parts by weight: 30 parts of modified acrylate, 15 parts of epoxy resin, 10 parts of reactive diluent, 5 parts of photoinitiator, PN-7028 parts and 0.3 part of copper oxide. By transferring the UV glue onto the lens protection sheet, the lens protection sheet has better luster and brightness and more gorgeous color.
And 5: and taking the lens protection sheet out of the printing clamp, placing the lens protection sheet in a butanol solution, and removing the UV glue in the window area of the lens protection sheet.
Because the UV glue which is not cured can be washed by butanol solution, when the lens protection sheet is soaked in the butanol solution, the UV glue in the window area of the lens protection sheet is washed, and the UV glue outside the window area cannot be washed by the butanol solution because the UV glue is cured.
Step 6: the lens protection plate is cleaned by adopting the ink removing agent, ink in a window area of the lens protection plate is removed, and the ink is prevented from influencing normal shooting of the mobile phone.
And 7: after the ink is removed, the lens protection sheet is cleaned and dried, and then printing is finished.
Example 2
This example is substantially the same as example 1, except that the UV glue used in the printing process for the surface of the lens protective sheet of this example comprises the following components in parts by weight: 40 parts of modified acrylate, 10 parts of epoxy resin, 8 parts of reactive diluent, 8 parts of photoinitiator, PN-7025 parts and 0.1 part of copper oxide.
Example 3
This example is substantially the same as example 1, except that the UV glue used in the printing process for the surface of the lens protective sheet of this example comprises the following components in parts by weight: 45 parts of modified acrylate, 13 parts of epoxy resin, 9 parts of reactive diluent, 7 parts of photoinitiator, PN-7027 parts and 0.2 part of copper oxide.
According to the embodiments, the invention can be well realized.
Claims (10)
1. A lens protection sheet surface printing process is characterized by comprising the following steps:
step 1: cleaning and drying a lens protection sheet to be printed;
step 2: placing the lens protection sheet in a printing fixture, and printing ink on a window area of the lens protection sheet;
and step 3: placing the printing clamp in a baking device, and drying the ink in the window area of the lens protection sheet;
and 4, step 4: printing UV glue on one surface of the lens protection sheet printed with ink, moving the printing clamp to a dust-free environment, irradiating the lens protection sheet by using a UV lamp, and curing the UV glue outside a window area of the lens protection sheet;
and 5: taking the lens protection sheet out of the printing clamp, placing the lens protection sheet in a butanol solution, and removing UV glue in a window area of the lens protection sheet;
step 6: removing ink in the window area of the lens protection sheet by adopting an ink removing agent;
and 7: and cleaning and drying the lens protection sheet to finish printing.
2. The lens protective sheet surface printing process according to claim 1, wherein the printing jig of step 2 comprises a base (1), a printing upper cover (3) fitted to the base (1), and a curing upper cover (6) fitted to the base (1); the printing upper cover (3) and the curing upper cover (6) can be covered on the base (1).
3. The lens protection sheet surface printing process according to claim 2, wherein a plurality of lens protection sheet placing cavities (2) are arranged on the base (1), and the thickness of the lens protection sheet is larger than the depth of the lens protection sheet placing cavities (2).
4. The lens protection sheet surface printing process according to claim 3, wherein the printing upper cover (3) is provided with printing holes (4) with the same number as the lens protection sheet placing cavities (2), and the shapes and the sizes of the printing holes (4) are matched with those of the window areas on the lens protection sheet; when the printing upper cover (3) is covered with the base (1), the printing hole (4) is superposed with the window area on the lens protection sheet, and the upper surface of the lens protection sheet is attached to the top of the printing upper cover (3).
5. The lens protection sheet surface printing process according to claim 4, wherein the curing upper cover (6) is provided with the same number of light-shielding sheets (7) as the lens protection sheet placing cavities (2), and the shape and the size of the light-shielding sheets (7) are matched with those of a window area on a lens protection sheet; when the curing upper cover (6) is covered with the base (1), the shading sheet (7) is superposed with a window area on the lens protection sheet, and a gap h is formed between the upper surface of the lens protection sheet and the top of the curing upper cover (6); the curing upper cover (6) is made of light-transmitting materials.
6. The lens protection sheet surface printing process according to claim 5, wherein the gap h between the upper surface of the lens protection sheet and the top of the cured upper cover (6) is 1-2 mm.
7. The lens protective sheet surface printing process according to claim 6, wherein the step 2 specifically comprises the steps of: placing the lens protection sheet in the lens protection sheet placing cavity (2) and enabling the surface to be printed to face upwards; the printing upper cover (3) is covered on the base (1), ink is printed on the upper surface of the printing upper cover (3), and the ink is printed in a window area of the lens protection sheet through the printing holes (4).
8. The lens protective sheet surface printing process according to claim 7, wherein the step 4 specifically comprises the steps of: taking down the printing upper cover (3), and printing UV glue on the surface of the lens protection sheet printed with the ink; the upper curing cover (6) is covered on the base (1), the printing clamp is moved to a dust-free environment, the UV lamp is adopted to vertically irradiate the lens protection sheet, the UV glue in the window area of the lens protection sheet is shielded by the shading sheet (7), the ultraviolet rays can not irradiate the window area of the lens protection sheet, and only the UV glue outside the window area of the lens protection sheet is cured.
9. The lens protective sheet surface printing process of claim 8, wherein the UV glue comprises the following components in parts by weight: 30-45 parts of modified acrylate, 10-15 parts of epoxy resin, 8-10 parts of reactive diluent, 5-8 parts of photoinitiator, 25-8 parts of PN-70and 0.1-0.3 part of copper oxide.
10. The lens protective sheet surface printing process according to claim 9, wherein the printed UV paste has a thickness of 0.01 to 0.03 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911308320.2A CN110978831B (en) | 2019-12-18 | 2019-12-18 | Lens protection sheet surface printing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911308320.2A CN110978831B (en) | 2019-12-18 | 2019-12-18 | Lens protection sheet surface printing process |
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| Publication Number | Publication Date |
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| CN110978831A CN110978831A (en) | 2020-04-10 |
| CN110978831B true CN110978831B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911308320.2A Active CN110978831B (en) | 2019-12-18 | 2019-12-18 | Lens protection sheet surface printing process |
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| CN (1) | CN110978831B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113561465B (en) * | 2021-07-28 | 2023-04-28 | 东莞市聚龙高科电子技术有限公司 | Plastic product surface 3D texture forming method and plastic product |
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| CN209685904U (en) * | 2019-03-21 | 2019-11-26 | 成都西偌帕斯光电科技有限责任公司 | Lens protection panel region plated film smelting tool |
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| CN103253019A (en) * | 2013-04-12 | 2013-08-21 | 苏州耀亮光电科技有限公司 | Glass cover plate for electronic products, and printing process thereof |
| CN105538936A (en) * | 2015-12-14 | 2016-05-04 | 广东星弛光电科技有限公司 | Printing process for mobile phone glass window |
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| CN110978831A (en) | 2020-04-10 |
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Effective date of registration: 20240520 Address after: 635000 Standard Factory Building 8 and 1st Floor of Building 2, Phase II, Kaijiang County Economic Development Zone, Dazhou City, Sichuan Province Patentee after: Sichuan Huazheng Optoelectronic Technology Co.,Ltd. Country or region after: China Address before: 610500 No. 69 Pioneer Road, East Industrial District, Xindu District, Chengdu City, Sichuan Province Patentee before: Chengdu Xilupas Photoelectric Technology Co.,Ltd. Country or region before: China |