CN104017345A - High hardness front panel formed by resin composition, and manufacturing method thereof - Google Patents
High hardness front panel formed by resin composition, and manufacturing method thereof Download PDFInfo
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- CN104017345A CN104017345A CN201410213609.7A CN201410213609A CN104017345A CN 104017345 A CN104017345 A CN 104017345A CN 201410213609 A CN201410213609 A CN 201410213609A CN 104017345 A CN104017345 A CN 104017345A
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- front panel
- resin combination
- moulding
- high rigidity
- product
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- 239000011342 resin composition Substances 0.000 title claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 title abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000004417 polycarbonate Substances 0.000 claims abstract description 16
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 15
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims description 51
- 229920005989 resin Polymers 0.000 claims description 51
- 238000000465 moulding Methods 0.000 claims description 49
- 238000001746 injection moulding Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 229960001866 silicon dioxide Drugs 0.000 claims description 14
- 235000012239 silicon dioxide Nutrition 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000001815 facial effect Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 208000034189 Sclerosis Diseases 0.000 claims description 4
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 abstract description 9
- 230000000704 physical effect Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000000047 product Substances 0.000 description 29
- 239000011521 glass Substances 0.000 description 8
- 238000005034 decoration Methods 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a high hardness front panel formed by a resin composition and a manufacturing method thereof. The front panel is composed of 90-95% of polycarbonate and polymer compositions and 5%-10% of silica. The structure of the front panel is a double-faced plane structure, a double-faced curved structure, one-faced plane and one-faced curved structure or other abnormity structure. The front panel is shaped in an extrusion molding machine of a special extrusion molding mould; the shaped product can be subjected to surface chemistry hardening and CNC profile processing selectively according to product function requirements. A technical solution provided by the invention enables the front panel to have physical properties such as relatively high surface hardness, structural strength and relatively high light transmittance. Meanwhile, an integrated structure of the front panel reduces design difficulty and production cost of the front panel, and greatly increases production efficiency of products.
Description
Technical field
The present invention relates to digital product hardware and manufacture field, be specifically related to a kind of high rigidity front panel that utilizes resin combination moulding and preparation method thereof.
Background technology
Conventionally, front panel all can be installed before the display unit digital product field such as LCD, LED, existing front panel is generally and adopts glass and casing by bonding mode combination, to play, display unit is played a protective role, meanwhile, the visual transparency of glass can meet the display effect of LCD, LED; In addition,, at the various surface elements that need surface decoration, the traditional acrylic material moulding conventionally adopting is at present made, and forms the appearance effect of various curved surfaces.But, often there is following problem: face glass manufacture craft is comparatively complicated, increase the design difficulty of front panel, cause products production efficiency low, make product cost high, and there is the shortcoming that hardness is low, transmittance is low, molding structure is single in the acrylic panel that adopts traditional injection moulding technique to make.
Application number is in the Chinese patent of " 200710163918.8 "; the patent of invention that name is called " in the method for the upper pasting touch control type panel of liquid-crystal display (LCD) and other opticglass " is disclosed; its technical scheme is as follows: the panel a to be pasted first touch panel or other opticglass being formed, deliver to a cover body below; Utilize one can lifting in this cover body pickup device, this panel to be pasted is picked up and a rise height and be the shape that soars of straight line; Then, the liquid-crystal display that a surface is had to an adhering layer is delivered to this cover body below, and just corresponding to the bottom surface of this panel to be pasted; With a power set, this cover body is declined, and make its bottom opening be sealed state, then make to be in this cover body the rough vacuum state lower than 760MM-HG barometric point with the air extractor of a connection; Under above-mentioned rough vacuum state, make this pickup device decline, and this panel to be pasted is pressed together on this liquid-crystal display.Although technical scheme of the present invention can improve effect of panel yield and reliability,, face glass manufacture craft is comparatively complicated, has increased the design difficulty of front panel, causes products production efficiency low, has increased production cost.
Application number is called the patent of invention of " home electronic panel and household electrical appliance " for disclosing name in the Chinese patent of " 201110111347.X ", in its disclosed technical scheme, mentioning described panel is transparent or semitransparent polyester plastics plate, and described polyester plastics plate is PC plate or acrylic board or ABS plate.Obviously, if adopt above-mentioned polyester plastics material use injection moulding to make panel, can there is the shortcoming that hardness is low, transmittance is low, molding structure is single.
Summary of the invention
In order to address the above problem, the invention discloses a kind of high rigidity front panel that utilizes resin combination moulding and preparation method thereof, make front panel there is the physicals such as higher surface hardness and structural strength and higher light transmittance, simultaneously, reduce front panel design difficulty and production cost, increased substantially the production efficiency of product.
A kind of high rigidity front panel that utilizes resin combination moulding, the material of described front panel is the silicon-dioxide composition of 90%～95% polycarbonate and polymeric composition and 5%～10%, and the structure of described front panel is two-sided planar structure, two-sided curved-surface structure and curved-surface structure of a facial plane or other polymorphic structure
Further, the melting index of described polycarbonate is 50g/10min～60g/10min under 300 DEG C of conditions.
Further, described macromolecule resin composition comprises polystyrene and one or more dicyclopentadiene polymkeric substance.
Further, the hardness Wei≤3H/750g of described front panel base material, the hardness Wei≤6H/750g after surface hardening.
Further, visible light transmissivity Wei≤91% of described front panel.
Further, the thickness of described front panel is 0.3mm～10mm.
A making method of utilizing the high rigidity front panel of resin combination moulding, comprises following step:
(1) carry out resin combination thing batching according to the weight ratio of the silicon-dioxide of 90%～95% polycarbonate and polymeric composition and 5%～10%;
(2) the resin combination thing preparing is dropped in the extruding injection moulding machine that is mounted with special extruding injection mold and carries out moulding;
(3) product surface is carried out to surface chemistry sclerosis;
(4) adopt the product of CNC after to moulding to carry out sharp processing.
Further, the directly pressing type oil pressure activity compression die that in step (2), extruding injection moulding machine pushes injection mold by promotion carries out compressed moulding to resin combination.
Further, described movable mould core at least reaches 0.5mm～1.0mm to resin combination draught, ensures that product is more smooth simultaneously, does not produce buckling deformation, without rainbow line.
The invention has the advantages that: (1) front panel of the present invention has adopted the resin combination forming materials of polycarbonate and polymeric composition and silicon-dioxide composition to make, and has high light transmittance, high surface hardness and structural strength; (2) design technology of the integral structure of front panel of the present invention is simple, has finely solved existing face glass+housing and is combined into, and causes front panel design difficulty larger, manufactures inconvenient shortcoming, has reduced manufacturing cost; (3) the extruding injection moulding of front panel of the present invention compression integral formation method, compared with the mechanical workout moulding of traditional glass front panel, production efficiency significantly promotes; (4) product of the present invention adopts the directly pressing type oil pressure activity compression die of injection mold carries out compressed moulding method to resin combination material, has solved traditional injection moulding acrylic panel and has had the shortcomings such as hardness is low, transmittance is low, structure is single; (5) by the moulding of extruding injection moulding process, resin combination molecular structure is reorganized, increased the density of base material, promote rigidity and hardness, eliminated stress.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of front panel in embodiment.
Embodiment
The invention discloses a kind of high rigidity front panel that utilizes resin combination moulding and preparation method thereof, make front panel there is the physicals such as higher surface hardness and structural strength and higher light transmittance, simultaneously, reduce front panel design difficulty and production cost, increased substantially the production efficiency of product.
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
A kind of high rigidity front panel that utilizes resin combination moulding, front panel of the present invention can be used as LCD, LED, the front panel of the various demonstrations such as touch-screen or non-display device, also can be with the various surface elements that need surface decoration, the material of front panel of the present invention is the silicon-dioxide composition of 90%～95% polycarbonate and polymeric composition and 5%～10%, further preferred molten index under 300 DEG C of conditions for the polycarbonate of 50g/10min～60g/10min and composition comprise macromolecule resin described in polystyrene and one or more dicyclopentadiene polymkeric substance as one of base material, the silicon-dioxide utilizing adds for increasing front panel toughness and hardness, addition is preferably in 5%～10% weight range, if the content of silicon-dioxide is less than 5%, can not obtain required toughness and hardness as front panel, if the content of silicon-dioxide is greater than 10%, can increase the fragility of front panel.Therefore, the thickness of described front panel can be 0.3mm～10mm, hardness Wei≤the 3H/750g of described front panel base material, hardness Wei≤6H/750g after surface hardening, the visible light transmissivity of described front panel is≤91%, and the structure of described front panel can be two-sided planar structure, two-sided curved-surface structure and curved-surface structure of a facial plane or other polymorphic structure.
Shown in Fig. 1, for one embodiment of the present of invention, the structure of front panel 10 is curved-surface structure of a facial plane, certainly, the structure of front panel 10 also can be two-sided planar structure, two-sided curved-surface structure or other polymorphic structure, described front panel 10 is for the front panel as can be used as the various demonstrations such as LCD, LED, touch-screen or non-display device 20, and the medium 30 between front panel 10 and demonstration or non-display device 20 can be air, can also partly or entirely fill with binding.
The making method of utilizing the moulding of resin combination front panel of the present invention can be for multiple, and a kind of preferred method is: first, the weight ratio of the polycarbonate according to 95% and polymeric composition and 5% silicon-dioxide is carried out resin combination thing batching; Secondly, the resin combination thing preparing is dropped in the extruding injection moulding machine that is mounted with special extruding injection mold and carries out moulding, the directly pressing type oil pressure activity compression die that extruding injection moulding machine pushes injection mold by promotion carries out compressed moulding to resin combination, described movable mould core at least reaches 1.0mm to resin combination draught, ensure that product is more smooth simultaneously, do not produce buckling deformation, without rainbow line, after moulding, get final product to obtain corresponding product.Present method can have two-sided planar structure, two-sided curved-surface structure and curved-surface structure of a facial plane or surface decoration parts for forming device.
Another making method of utilizing the moulding of resin combination front panel of the present invention is: first, the weight ratio of the polycarbonate according to 90% and polymeric composition and 10% silicon-dioxide is carried out resin combination thing batching; Secondly, the resin combination thing preparing is dropped in the extruding injection moulding machine that is mounted with special extruding injection mold and carries out moulding, the directly pressing type oil pressure activity compression die that extruding injection moulding machine pushes injection mold by promotion carries out compressed moulding to resin combination, described movable mould core at least reaches 0.5mm to resin combination draught, ensure that product is more smooth simultaneously, do not produce buckling deformation, without rainbow line, after moulding, can carry out surface chemistry sclerosis to hardness Requirements on Product surface according to product, to improve product surface hardness, obtain corresponding product.Present method can have for forming device the surface decoration parts of two-sided planar structure, two-sided curved-surface structure and a curved-surface structure of a facial plane or other polymorphic structure.
Another making method of utilizing the moulding of resin combination front panel of the present invention is: first, the weight ratio of the polycarbonate according to 95% and polymeric composition and 5% silicon-dioxide is carried out resin combination thing batching; Secondly, the resin combination thing preparing is dropped in the extruding injection moulding machine that is mounted with special extruding injection mold and carries out moulding, the directly pressing type oil pressure activity compression die that extruding injection moulding machine pushes injection mold by promotion carries out compressed moulding to resin combination, described movable mould core at least reaches 0.8mm to resin combination draught, ensure that product is more smooth simultaneously, do not produce buckling deformation, without rainbow line, the if desired CNC processing of product after moulding, can adopt CNC to above-mentioned moulding after product obtain product after doing further sharp processing.Present method can have for forming device the surface decoration parts of two-sided planar structure, two-sided curved-surface structure and a curved-surface structure of a facial plane or other polymorphic structure.
Another making method of utilizing the moulding of resin combination front panel of the present invention is: first, the weight ratio of the polycarbonate according to 92% and polymeric composition and 8% silicon-dioxide is carried out resin combination thing batching, secondly, the resin combination thing preparing is dropped in the extruding injection moulding machine that is mounted with special extruding injection mold and carries out moulding, the directly pressing type oil pressure activity compression die that extruding injection moulding machine pushes injection mold by promotion carries out compressed moulding to resin combination, described movable mould core at least reaches 0.6mm to resin combination draught, ensure that product is more smooth simultaneously, do not produce buckling deformation, without rainbow line, after moulding, can carry out surface chemistry sclerosis to hardness Requirements on Product surface according to product, to improve product surface hardness, then after product does further sharp processing after adopting CNC to above-mentioned moulding, obtain product.Present method can have for forming device the surface decoration parts of two-sided planar structure, two-sided curved-surface structure and a curved-surface structure of a facial plane or other polymorphic structure.
Known by above description, the invention has the advantages that: (1) front panel of the present invention has adopted the resin combination forming materials of polycarbonate and polymeric composition and silicon-dioxide composition to make, and has high light transmittance, high surface hardness and structural strength; (2) design technology of front panel of the present invention is simple, has finely solved existing face glass+housing and is combined into, and causes front panel design difficulty larger, manufactures inconvenient shortcoming, has reduced manufacturing cost; (3) it is one-body molded that front panel of the present invention can adopt extruding injection moulding compression, and compared with the mechanical workout moulding of traditional glass front panel, production efficiency significantly promotes; (4) product of the present invention adopts the directly pressing type oil pressure activity compression die of injection mold carries out compressed moulding method to resin combination material, has solved traditional injection moulding acrylic panel and has had the shortcomings such as hardness is low, transmittance is low, structure is single; (5) by the moulding of extruding injection moulding process, resin combination molecular structure is reorganized, increased the density of base material, promote rigidity and hardness, eliminated stress.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. one kind is utilized the high rigidity front panel of resin combination moulding, it is characterized in that, the material of described front panel is the silicon-dioxide composition of 90%～95% polycarbonate and polymeric composition and 5%～10%, and the structure of described front panel is two-sided planar structure, two-sided curved-surface structure and curved-surface structure of a facial plane or other polymorphic structure.
2. a kind of high rigidity front panel that utilizes resin combination moulding according to claim 1, is characterized in that, the melting index of described polycarbonate is 50g/10min～60g/10min under 300 DEG C of conditions.
3. a kind of high rigidity front panel that utilizes resin combination moulding according to claim 1, is characterized in that, described macromolecule resin composition comprises polystyrene and one or more dicyclopentadiene polymkeric substance.
4. according to a kind of high rigidity front panel that utilizes resin combination moulding described in claims 1 to 3 any one, it is characterized in that the hardness Wei≤3H/750g of described front panel base material, the hardness Wei≤6H/750g after surface hardening.
5. according to a kind of high rigidity front panel that utilizes resin combination moulding described in claims 1 to 3 any one, it is characterized in that visible light transmissivity Wei≤91% of described front panel.
6. according to a kind of high rigidity front panel that utilizes resin combination moulding described in claims 1 to 3 any one, it is characterized in that, the thickness of described front panel is 0.3mm～10mm.
7. a making method of utilizing the high rigidity front panel of resin combination moulding, is characterized in that, comprises following step:
The weight ratio of the polycarbonate according to 90%～95% and polymeric composition and 5%～10% silicon-dioxide is carried out resin combination thing batching;
The resin combination thing preparing is dropped in the extruding injection moulding machine that is mounted with special extruding injection mold and carries out moulding;
Product surface is carried out to surface chemistry sclerosis;
Product after adopting CNC to moulding carries out sharp processing.
8. the making method of a kind of high rigidity front panel that utilizes resin combination moulding according to claim 7 is characterized in that, the directly pressing type oil pressure activity compression die that in step (2), extruding injection moulding machine pushes injection mold by promotion carries out compressed moulding to resin combination.
9. it is characterized in that according to the making method of a kind of high rigidity front panel that utilizes resin combination moulding described in claim 7 or 8, described movable mould core at least reaches 0.5mm～1.0mm to resin combination draught, ensure that product is more smooth simultaneously, do not produce buckling deformation, without rainbow line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410213609.7A CN104017345A (en) | 2014-05-21 | 2014-05-21 | High hardness front panel formed by resin composition, and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410213609.7A CN104017345A (en) | 2014-05-21 | 2014-05-21 | High hardness front panel formed by resin composition, and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN104017345A true CN104017345A (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410213609.7A Pending CN104017345A (en) | 2014-05-21 | 2014-05-21 | High hardness front panel formed by resin composition, and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN104017345A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999635A (en) * | 2015-06-18 | 2015-10-28 | 北京汽车股份有限公司 | Automotive glass manufacturing method and automotive glass |
| CN105643968A (en) * | 2016-01-04 | 2016-06-08 | 广东欧珀移动通信有限公司 | Manufacturing method for curved cover plate, curved cover plate and mobile terminal |
| CN106064443A (en) * | 2016-06-01 | 2016-11-02 | 惠州市德赛西威汽车电子股份有限公司 | A kind of preparation method of vehicle-carrying display screen integration plastic rubber panel high dimensional accuracy |
| CN107170852A (en) * | 2017-06-27 | 2017-09-15 | 深圳市上古光电有限公司 | A kind of light-weight solar component and its manufacture method |
| CN115466477A (en) * | 2022-09-13 | 2022-12-13 | Oppo广东移动通信有限公司 | Optical material, preparation method, lens, camera module and electronic equipment |
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| CN101069883A (en) * | 2006-05-12 | 2007-11-14 | 力特光电科技股份有限公司 | Formation method of hardened resin layer |
| CN101191852A (en) * | 2006-12-01 | 2008-06-04 | 鸿富锦精密工业（深圳）有限公司 | Optical plate |
| CN103108916A (en) * | 2010-09-17 | 2013-05-15 | 乐金华奥斯有限公司 | Resin composition for injection comprising low birefringence polymer blend, and front panel prepared using same |
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2014
- 2014-05-21 CN CN201410213609.7A patent/CN104017345A/en active Pending
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| CN1772820A (en) * | 2004-11-10 | 2006-05-17 | 比亚迪股份有限公司 | Ultraviolet cured paint for plastics and its production process |
| CN101069883A (en) * | 2006-05-12 | 2007-11-14 | 力特光电科技股份有限公司 | Formation method of hardened resin layer |
| CN101191852A (en) * | 2006-12-01 | 2008-06-04 | 鸿富锦精密工业（深圳）有限公司 | Optical plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999635A (en) * | 2015-06-18 | 2015-10-28 | 北京汽车股份有限公司 | Automotive glass manufacturing method and automotive glass |
| CN104999635B (en) * | 2015-06-18 | 2018-01-16 | 北京汽车股份有限公司 | The manufacture method and vehicle glass of a kind of vehicle glass |
| CN105643968A (en) * | 2016-01-04 | 2016-06-08 | 广东欧珀移动通信有限公司 | Manufacturing method for curved cover plate, curved cover plate and mobile terminal |
| CN106064443A (en) * | 2016-06-01 | 2016-11-02 | 惠州市德赛西威汽车电子股份有限公司 | A kind of preparation method of vehicle-carrying display screen integration plastic rubber panel high dimensional accuracy |
| CN107170852A (en) * | 2017-06-27 | 2017-09-15 | 深圳市上古光电有限公司 | A kind of light-weight solar component and its manufacture method |
| CN115466477A (en) * | 2022-09-13 | 2022-12-13 | Oppo广东移动通信有限公司 | Optical material, preparation method, lens, camera module and electronic equipment |
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Address after: 516025 Huizhou City, Guangdong Province, the three digital Industrial Park Applicant after: Guangdong Green precision parts Limited by Share Ltd Address before: Three Huicheng Guangdong District, Huizhou City, the number of Digital Industrial Park Applicant before: Green Precision Components (Huizhou) Co. Ltd. |
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Application publication date: 20140903 |