CN107474608B - A kind of visible at night optical fiber - Google Patents

A kind of visible at night optical fiber Download PDF

Info

Publication number
CN107474608B
CN107474608B CN201710727436.4A CN201710727436A CN107474608B CN 107474608 B CN107474608 B CN 107474608B CN 201710727436 A CN201710727436 A CN 201710727436A CN 107474608 B CN107474608 B CN 107474608B
Authority
CN
China
Prior art keywords
methyl
acrylate
optical fiber
visible
night
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.)
Active
Application number
CN201710727436.4A
Other languages
Chinese (zh)
Other versions
CN107474608A (en
Inventor
黄世斌
陈炳炎
高虎军
刘成
余宗萍
杨鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Fuchunjiang Photo Electronic Science & Technology Co ltd
Original Assignee
Jiangsu Fuchun River Photoelectric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Fuchun River Photoelectric Co Ltd filed Critical Jiangsu Fuchun River Photoelectric Co Ltd
Priority to CN201710727436.4A priority Critical patent/CN107474608B/en
Publication of CN107474608A publication Critical patent/CN107474608A/en
Application granted granted Critical
Publication of CN107474608B publication Critical patent/CN107474608B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D4/00Coating 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
    • C09D4/06Organic 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/22Luminous paints
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)

Abstract

The invention discloses a kind of visible at night optical fiber, it includes optical fiber ontology and the fibre coating for being covered in the optical fiber body surface, wherein, with weight, the composition of raw materials of the fibre coating includes oligomer resin 10 ~ 70%, organic siliconresin 2 ~ 60%, activated monomer 20 ~ 40%, fluorescent dye 0.01 ~ 5%, photoinitiator 1 ~ 10% and additive 0.1 ~ 15%;The preparation process of visible at night optical fiber of the invention is simple, has not only met recognizing under dim environment, but also can have excellent performance, therefore has clear advantage.

Description

A kind of visible at night optical fiber
Technical field
The present invention relates to fiber optic communication fields, and in particular to a kind of visible at night optical fiber.
Background technique
Optical fiber is writing a Chinese character in simplified form for optical fiber, can be used as light conduction tool.Optical fiber includes naked fibre and resin coating, naked fibre Material is usually glass or plastics;Naked fibre is usually coated with by least one layer of or multilayer radiation curable coating, these coatings are usual Be coated on optical fiber in liquid form, be then exposed to radiation under with realizes solidification, with this assign optical fiber complex environment, grow away from From etc. the low-loss of maintaining a long-term stability property and signal quality under operating conditions.In the work progress such as fiber alignment, it will usually There is more optical fiber and gather closely together situation together, construction personnel would become hard to carry out various operations, each in order to be more convenient for recognizing Root optical fiber recognizes every light with color in the prior art it has been proposed that applying one layer of printing ink composition again on the surface of optical fiber It is fine.However when construction under night or dim environment, if without preferable lighting apparatus, what printing ink composition assigned Color identification will be difficult to play a role, and still be difficult to that each optical fiber is easily identified.
Chinese invention patent CN106094100A discloses a kind of europium ion-doped fused quartz fluorescence optical fiber, and material is molten stone English, mixed with the substance of the element of europium containing trivalent in the fibre core of the fused quartz optical fiber, the doping concentration of trivalent europium ion is about 2wt% ~0.01wt%, the fluorescence optical fiber under the action of exciting light can emission center wavelength be 618nm fluorescence, the fluorescence generate In trivalent europium ion5D07F2The super quick transition of energy level, and due to being excited under the action of fused quartz matrix special ligand field The fluorescence of transmitting has wider wave-length coverage.The patent is mainly for the modification of fibre core silica, and on the one hand it is to production Technique is more demanding and preparation method is relatively complicated, and on the other hand adulterating europium ion in fibre core can be to the communication of optical fiber Performance has an impact.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provides and a kind of prepare simple and performance Excellent visible at night optical fiber.
In order to solve the above technical problems, a kind of technical solution that the present invention takes is as follows:
A kind of visible at night optical fiber, the optical fiber include optical fiber ontology and the optical fiber painting for being covered in the optical fiber body surface Layer, wherein with weight, the composition of raw materials of the fibre coating includes oligomer resin 10~70%, organosilicon Resin 2~60%, activated monomer 20~40%, fluorescent dye 0.01~5%, photoinitiator 1~10% and additive 0.1~ 15%.
Some preferred aspects according to the present invention, the oligomer resin have (methyl) acryloxy and/or ethylene Base functional group, average functionality are 2~6, and number-average molecular weight is 500~50000.
Some preferred aspects according to the present invention, the oligomer resin are selected from oligourethane, epoxy third At least one of olefin(e) acid ester oligomer, polyester acrylate oligomers, polyether acrylate oligomer.
Some preferred aspects according to the present invention, the organic siliconresin have (methyl) acryloxy and/or ethylene Base functional group, average functionality are 0.5~3, and number-average molecular weight is 1000~20000.
According to a preferred aspect of the present invention, the composition of raw materials of the fibre coating include oligomer resin 20~ 50%, organic siliconresin 10~50%, activated monomer 20~35%, fluorescent dye 0.1~4%, photoinitiator 1~8%, addition Agent 0.1~10%.
Another preferred aspect according to the present invention, the average functionality of the oligomer resin are 2~3, the equal molecule of number Amount is 1000~25000.
Another preferred aspect according to the present invention, the average functionality of the organic siliconresin are 1.5~2, and number is divided equally Son amount is 1200~20000.
In certain specific embodiments of the invention, the activated monomer is compound shown in following formula,
CH2=C (CH3) COOR, wherein R is with one or more in alkyl, alkoxy, aryloxy group, epoxy group, hydroxyl The group that the carbon atom number of a substituent group is 1~20.Preferably, " group that carbon atom number is 1~20 " can be alkyl, alkenyl Or heterocyclic group.
It is highly preferred that the activated monomer is selected from (methyl) Isooctyl acrylate monomer, (methyl) isodecyl acrylate, laurel Sour (methyl) acrylate, (methyl) isobornyl acrylate, (methyl) caprolactone, 2- Phenoxyethyl (methyl) third Olefin(e) acid ester, ethylization nonyl phenol (methyl) acrylate, polyethylene glycol two (methyl) acrylate, two (first of 1,6-HD Base) acrylate, dipropylene glycol two (methyl) acrylate, tripropylene glycol two (methyl) acrylate, the third oxidation neopentyl glycol Two (methyl) acrylate, ethoxylated bisphenol A bis- (methyl) acrylate, trimethylolpropane tris (methyl) acrylate, season Penta tetrol, three (methyl) one of acrylate and pentaerythrite four (methyl) acrylate or a variety of combinations.
Some preferred aspects according to the present invention, the fluorescent dye are one of compound containing chromophore or more The mixture of kind.
Preferably, the compound containing chromophore includes rhodamine, fluoresceins, naphthalimide, hexichol second Alkenes, acridine, fluorenes class and cyanine dyes.
In certain specific embodiments of the invention, the photoinitiator is selected from benzophenone, substituted hexichol first Ketone, alpha-alcohol ketone, α-aminoketone, benzoin, thioxanthone, anthraquinone, benzoyl formiate, acylphosphine oxide and tertiary amines Close one of object or a variety of combinations.Such as it can be double for (2,4,6- trimethylbenzoyl) diphenyl phosphine oxide, phenyl (2,4,6- trimethylbenzoyl) phosphine oxide, 1- hydroxycyclohexyl phenyl ketone, 2- hydroxy-2-methyl -1- phenyl -1- third One of ketone, dimethyl ethyl aminobenzoate, 2- benzyl -2- dimethylamino -1- (4- morpholinyl phenyl) butanone are a variety of Combination, although listing some specific photoinitiators herein, it is not limited to this.
In some specific embodiments of the invention, the additive is selected from solvent, silane coupling agent, antioxygen One of agent, defoaming agent, levelling agent or a variety of combinations.
Wherein, the solvent is water, methanol, ethyl alcohol, hexane, isooctane, decane, toluene, dimethylbenzene, dimethyl formyl Amine, dimethyl acetamide, methyl pyrrolidone or dimethyl sulfoxide.
Defoaming agent, levelling agent, the antioxidant of selection are commercial product, it is desirable that system can be suitble to solidify, and solidified Front and back does not influence the performance of fluoresent coating.
The defoaming agent is non-silicone high molecular polymer, and non-limiting example includes BYK-052, BYK- of Bi Ke chemistry 054,BYK-1790,BYK-1791;And the Defom3600 of modest (Shanghai) chemistry of DS.
The levelling agent is Siloxane-Oxyalkylene Copolymers compound, can improve and apply the same of membrane fluidity and uniform ground When, and it is preferable with the compatibility of system, non-limiting example includes BYK-361N, BYK-381, BYK- of Bi Ke chemistry 3455。
The antioxidant is Hinered phenols, including antioxidant 264, antioxidant 1076, antioxidant 1010.
Due to the use of above technical scheme, the invention has the following advantages over the prior art:
Visible at night optical fiber proposed by the present invention is obtained by covering fluoresent coating on optical fiber ontology, wherein for fluorescence The formula of coating has carried out innovative design, and particular silicone resin is added and matches with fluorescent dye, on the one hand, ensures coating Various aspects of performance is excellent (curing rate is fast, curing degree is high, cohesive force is good), on the other hand, so that the preparation of coating is very simple, Specific oligomer resin, particular silicone resin and fluorescent dye have extraordinary compatibility, and when preparation only needs whole originals Material is uniformly mixed, without grinding steps (traditional fluorescence resin composition, in the preparation to fill resin with fluorescent material Divide fusion, need first to grind fluorescent material, disperse etc. operation), preparation process is simple.
Specific embodiment
What the present invention innovated, which match with fluorescent dye specific oligomer resin, particular silicone resin, prepares optical fiber painting The mixture of the liquid condition of layer, and then the mixture is covered on optical fiber ontology, then solidify to get visible at night light Fibre, the present invention is compared with the prior art, on the one hand, avoids and changes the structure of optical fiber in the prior art and cause fiber optic communication matter The case where decrease of amount, also improves printing ink composition and is difficult to the defect recognized under night or dim condition, on the other hand, Greatly save time cost, equipment cost (changing optical fiber structure will need additional preparation process, equipment to go to complete), and this The visible at night optical fiber of invention under the premise of ensuring that optical fiber properties are excellent can only faint light night or It can recognize under dim environment, and then construction can be operated to it under night or dim environment, have a vast market Prospect.
Above scheme is described further below in conjunction with specific embodiment;It should be understood that these embodiments are for illustrating The basic principles, principal features and advantages of the present invention, and the present invention is not by the scope limitation of following embodiment;It is used in embodiment Implementation condition further adjustment can be done according to specific requirement, the implementation condition being not specified is usually the item in routine experiment Part.
In the following embodiments, unless otherwise specified, all raw materials are commercially available.Wherein, related light-initiated Agent is given referred to as follows for convenience of description:
(2,4,6- trimethylbenzoyl) diphenyl phosphine oxide: TPO;Bis- (2,4,6- trimethylbenzoyl) oxygen of phenyl Change phosphine: photoinitiator 819;1- hydroxycyclohexyl phenyl ketone: photoinitiator 184;2- hydroxy-2-methyl -1- phenyl -1- third Ketone: photoinitiator 1173;Dimethyl ethyl aminobenzoate: EDAB;2- benzyl -2- dimethylamino -1- (4- morpholinyl phenyl) fourth Ketone: photoinitiator 369.
Embodiment 1
Under conditions of being protected from light, each component raw material is put into mixing vessel in following ratio, is uniformly mixing to obtain described The mixture of the liquid condition of fibre coating.
Embodiment 2
Under conditions of being protected from light, each component raw material is put into mixing vessel in following ratio, is uniformly mixing to obtain described The mixture of the liquid condition of fibre coating.
Comparative example
Under conditions of being protected from light, each component raw material is put into mixing vessel in following ratio, is uniformly mixing to obtain described The mixture of the liquid condition of fibre coating.
The mixture of the liquid condition of the fibre coating made from Examples 1 and 2 and comparative example is coated in optical fiber On ontology, then solidify to get the visible at night optical fiber is arrived.The properties for measuring the mixture in the process are as follows Shown in table.
It is shown according to upper table, the example 1 and example 2 of organic siliconresin is added to by the method in the present invention, appearance is in saturating Bright shape, and translucent muddy shape is presented in the comparative example liquid coating that usual resins are only added.Illustrate that the addition of organic siliconresin has Help the dissolution and dispersion of fluorescent dye.In addition good compatibility helps to improve the curing degree of coating, and reduces optical fiber Signal decaying.
And using the mixture obtained after epoxy acrylate, carbamate at the surface for being cured to optical fiber, Although meeting optical fiber with fluorescent functional, the various aspects of performance of the mixture of its coating all sharply falls sharply, cannot be very Meet current demand well, it is difficult to ensure make the performance of optical fiber with good stability after being coated to optical fiber.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of visible at night optical fiber, which is characterized in that the optical fiber includes optical fiber ontology and is covered in described this body surface of optical fiber The fibre coating in face, wherein with weight, the composition of raw materials of the fibre coating include oligomer resin 10 ~ 70%, organic siliconresin 2 ~ 60%, activated monomer 20 ~ 40%, fluorescent dye 0.01 ~ 5%, photoinitiator 1 ~ 10% and additive 0.1 ~ 15%;Wherein, the oligomer resin has (methyl) acryloxy and/or vinyl-functional, and average functionality is 2 ~ 6, Number-average molecular weight is 500 ~ 50000;
The organic siliconresin has (methyl) acryloxy and/or vinyl-functional, and average functionality is 0.5 ~ 3, number Average molecular weight is 1000 ~ 20000;
The activated monomer is selected from (methyl) Isooctyl acrylate monomer, (methyl) isodecyl acrylate, lauric acid (methyl) propylene Acid esters, (methyl) isobornyl acrylate, (methyl) caprolactone, 2- Phenoxyethyl (methyl) acrylate, ethyl Change nonyl phenol (methyl) acrylate, polyethylene glycol two (methyl) acrylate, 1,6-hexylene glycols two (methyl) acrylate, Dipropylene glycol two (methyl) acrylate, tripropylene glycol two (methyl) acrylate, third oxidation neopentyl glycol two (methyl) propylene Acid esters, ethoxylated bisphenol A bis- (methyl) acrylate, trimethylolpropane tris (methyl) acrylate, three (first of pentaerythrite Base) one of acrylate and pentaerythrite four (methyl) acrylate or a variety of combinations.
2. visible at night optical fiber according to claim 1, which is characterized in that the oligomer resin is selected from carbamic acid Ester oligomer, epoxy acrylate oligomer, polyester acrylate oligomers, at least one in polyether acrylate oligomer Kind.
3. visible at night optical fiber according to claim 1, which is characterized in that the fluorescent dye is the change containing chromophore Close one of object or a variety of mixtures.
4. visible at night optical fiber according to claim 3, which is characterized in that the compound containing chromophore includes sieve Red bright class, fluoresceins, naphthalimide, diphenylethylene, acridine, fluorenes class and cyanine dyes.
5. visible at night optical fiber according to claim 1, which is characterized in that the photoinitiator be selected from benzophenone, Substituted benzophenone, alpha-alcohol ketone, α-aminoketone, benzoin, thioxanthone, anthraquinone, benzoyl formiate, acylphosphanes oxidation One of object and tertiary amine compounds or a variety of combinations.
6. visible at night optical fiber according to claim 1, which is characterized in that the additive is even selected from solvent, silane Join one of agent, antioxidant, defoaming agent, levelling agent or a variety of combinations.
CN201710727436.4A 2017-08-23 2017-08-23 A kind of visible at night optical fiber Active CN107474608B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710727436.4A CN107474608B (en) 2017-08-23 2017-08-23 A kind of visible at night optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710727436.4A CN107474608B (en) 2017-08-23 2017-08-23 A kind of visible at night optical fiber

Publications (2)

Publication Number Publication Date
CN107474608A CN107474608A (en) 2017-12-15
CN107474608B true CN107474608B (en) 2019-09-10

Family

ID=60602131

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710727436.4A Active CN107474608B (en) 2017-08-23 2017-08-23 A kind of visible at night optical fiber

Country Status (1)

Country Link
CN (1) CN107474608B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112680019A (en) * 2019-10-17 2021-04-20 上海飞凯光电材料股份有限公司 Fluorescence identification colored optical fiber and preparation method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5759548B2 (en) * 2011-07-19 2015-08-05 株式会社ブリヂストン PHOTOCURABLE RESIN COMPOSITION, WATERWIRE MEMBER AND FUNCTIONAL PANEL USING THE SAME
CN104804491A (en) * 2014-01-24 2015-07-29 程威军 High-temperature resistance UV and moisture double-curing three-proofing lacquer
JP6464023B2 (en) * 2015-04-24 2019-02-06 富士フイルム株式会社 Hard coat film, polarizing plate, and touch panel display
CN106010144B (en) * 2016-06-20 2019-04-23 上海飞凯光电材料股份有限公司 A kind of UV-LED solidification optical fiber coated with resins and its preparation method and application

Also Published As

Publication number Publication date
CN107474608A (en) 2017-12-15

Similar Documents

Publication Publication Date Title
CN100564461C (en) Ink jet recording method, print cartridge, record cell and the ink-jet recording device of active energy ray-curable aqueous ink composition, use said composition
CN102311678B (en) Active energy ray-curable ink-jet ink compositions
CN101544104B (en) Inkjet recording method and inkjet recording system
CN104249579B (en) Ink jet recording method
CN107001067A (en) The manufacture method of inorganic microparticle-dispersed liquid, solidification compound and its solidfied material comprising the dispersion liquid
CN106082706A (en) The LED solidification of radiation-hardenable optical fiber coating composite
EP0473643B1 (en) Photocurable pigmented secondary optical fiber coatings
CN101573387A (en) Novel radiation curable compositions
CN105504120A (en) Bisphenol fluorene acrylic resin and preparation method thereof, quantum dot-colored photosensitive resin composition and preparation method and application thereof
CN108350109A (en) Photoepolymerizationinitiater initiater and its manufacturing method, polymerizable composition, polymerizable composition, ink jet recording method and acylphosphine oxide compound
CN1238446C (en) Radiation-curable ink composition for coating optical glass fibers
CN109564324A (en) Band coating low-loss multimode fibre with minor diameter
CN106459382A (en) Monomer composition and curable composition containing same
CN102381023A (en) Ink-jet recording method, printed matter, molded printed matter manufacturing method and molded printed matter
CN103333544A (en) Ultraviolet curing printing ink as well as preparation method and security product thereof
CN108504189A (en) LED-UV piezoelectric type ink-jet inks of high adhesion force and preparation method thereof
CN103391979A (en) Ink composition, image forming method and printed material
CN107474608B (en) A kind of visible at night optical fiber
CN102227475A (en) Photo-curable resin composition exhibiting light-blocking properties and tackiness, and cured product thereof
CN103288873B (en) The acylphosphine oxide of sulfonyl or quinonyl functionalization
CN105400290A (en) Polymerizable composition, ink composition for inkjet recording, inkkjet recording method and recorded matter
CN110628307A (en) Ultraviolet-curing optical fiber color-locking coating, preparation method thereof and optical fiber outer coating
CN110198827A (en) Cast material ink group, backing material composition, ink group, the manufacturing method of three-dimensional contouring object and three-dimensional contouring object
CN102372826A (en) Thermally curable resin composition for protective film
CN109661409A (en) Photoepolymerizationinitiater initiater, polymerizable composition, polymerizable composition, ink jet recording method and acylphosphine oxide compound

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200410

Address after: 311400 Golf Road 608, Dongzhou street, Fuyang District, Zhejiang, Hangzhou

Patentee after: ZHEJIANG FUCHUNJIANG PHOTO-ELECTRONIC SCIENCE & TECHNOLOGY CO.,LTD.

Address before: Wujiang Zhenze Town District of Suzhou City, Jiangsu province 215233 eight zone 31 eight road

Patentee before: JIANGSU FUCHUNJIANG PHOTOELECTRIC Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200910

Address after: Wujiang Zhenze Town District of Suzhou City, Jiangsu province 215233 eight zone 31 eight road

Co-patentee after: ZHEJIANG FUCHUNJIANG PHOTO-ELECTRONIC SCIENCE & TECHNOLOGY CO.,LTD.

Patentee after: JIANGSU FUCHUNJIANG PHOTOELECTRIC Co.,Ltd.

Address before: 311400 Golf Road 608, Dongzhou street, Fuyang District, Zhejiang, Hangzhou

Patentee before: ZHEJIANG FUCHUNJIANG PHOTO-ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230419

Address after: 311400 No. 608, golfer Road, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province

Patentee after: ZHEJIANG FUCHUNJIANG PHOTO-ELECTRONIC SCIENCE & TECHNOLOGY CO.,LTD.

Address before: 215233 beside Sany Road, Badu Development Zone, Zhenze Town, Wujiang District, Suzhou City, Jiangsu Province

Patentee before: JIANGSU FUCHUNJIANG PHOTOELECTRIC Co.,Ltd.

Patentee before: ZHEJIANG FUCHUNJIANG PHOTO-ELECTRONIC SCIENCE & TECHNOLOGY CO.,LTD.