CN102889490B - High water-proof high service life LED (light-emitting diode) soft lamp belt and manufacturing method thereof - Google Patents

High water-proof high service life LED (light-emitting diode) soft lamp belt and manufacturing method thereof Download PDF

Info

Publication number
CN102889490B
CN102889490B CN201210396728.1A CN201210396728A CN102889490B CN 102889490 B CN102889490 B CN 102889490B CN 201210396728 A CN201210396728 A CN 201210396728A CN 102889490 B CN102889490 B CN 102889490B
Authority
CN
China
Prior art keywords
led
lamp band
flexible lamp
transparent casing
soft transparent
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
CN201210396728.1A
Other languages
Chinese (zh)
Other versions
CN102889490A (en
Inventor
占文琪
应利明
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.)
Ningbo Foryard Optoelectronics Co Ltd
Original Assignee
Ningbo Foryard Optoelectronics 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 Ningbo Foryard Optoelectronics Co Ltd filed Critical Ningbo Foryard Optoelectronics Co Ltd
Priority to CN201210396728.1A priority Critical patent/CN102889490B/en
Publication of CN102889490A publication Critical patent/CN102889490A/en
Application granted granted Critical
Publication of CN102889490B publication Critical patent/CN102889490B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to a manufacturing method of a high water-proof high service life LED (light-emitting diode) soft lamp belt. The high water-proof high service life LED softness lamp belt comprises a flexible circuit board, an LED luminophor which is arranged on the flexible circuit board and is connected through a wire, a current limiting resistor and a waterproof glue used for covering the flexible circuit board, the LED luminophor and the current limiting resistor; and the high water-proof high service life LED soft lamp belt is characterized in that an outermost layer of the LED soft lamp belt is a soft transparent sleeve used for closely covering the whole LED soft lamp belt, and the surface of the waterproof glue is closely clung to the inner wall of the soft transparent sleeve. The manufacturing method of the high water-proof high service life LED soft lamp belt comprises the following steps of: manufacturing an LED soft lamp belt semi-finished product, implementing encapsulating compound on the semi-finished product, adopting a high pressure draft technology to blow the LED soft lamp belt in the soft transparent sleeve, and carrying out thermocompression constraction. According to the product, the waterproof quality is good, the better softness and transparancy are kept for a long time, the luminescence of the soft lamp belt is bright, and the service life is prolonged.

Description

A kind of manufacture method of high waterproof high life LED flexible lamp band
Technical field
The present invention relates to a kind of illuminating equipment that has decoration function concurrently.Soft LED lamp band and manufacture method thereof of a kind of high waterproof high life specifically.
Background technology
LED has advantages of comprehensive many as light source: energy-saving and environmental protection, attractive in appearance, durable.Therefore, by user, liked and extensive use.As, the purposes of the LED flexible lamp band that contains some LED luminescence units is very widely, it is widely used in to delineate has landmark thing mansion building, bridge, the lighting engineering of the profiles such as park plaza.More become the beautiful scenery of top grade entertainment places such as interspersing hotel, Internet bar, Karaoke singing place (KTV), bath center, discotheque, nightclub.High in view of the brightness of LED flexible lamp band, pliability is good, and plasticity is strong, lucuriant in design, change various feature, and individual is from doing (DIY) home decoration, show window, and fashion show, the occasions such as path indication also all become first-selection.
But current LED flexible lamp band is due to structural defect, in addition, then the marine glue and the double faced adhesive tape material property that add employing put in place not enough, causes the quality of LED flexible lamp band to be affected.As, although LED flexible lamp band skin is now covered with marine glue, circuit board, LED illuminator are isolated from the outside, object is to play waterproof action.How we unilaterally do not say silica gel marine glue quality at this, because of marine glue, be just exposed, Chinese patent, the patent No. is 200810059707.4, is exactly this type, and marine glue can cause chemical reaction after contacting with more airborne impurity, again because Waterproof glue line is through the marine glue flavescence of sun-scorcheding and rain-drenched, cause transparency variation, general degree can be decayed more than 30%, and the bright and colourful radiance of original LED flexible lamp band will be inferior many, affected result of use.And then marine glue aging, chap, fracture, affected service life.
Because there is this fatal problem, there are many colleagues just to want that at marine glue, putting a transparent sleeve pipe outward can reach good waterproof and prevent the aging of product, extend the product effect in service life again.They are first inserted in sleeve pipe outside the circuit board and LED illuminator having welded, and inject marine glue more thereafter in sleeve pipe.The Chinese patent patent No. is that 200910107675.5 technology just belongs to this type.Yet such processing method is pretty troublesome: marine glue is injected to transparent sleeve pipe very difficult.Even if completed, marine glue and sleeve pipe can not be combined closely, and contain a large amount of bubbles between sleeve pipe and marine glue.These bubbles can play corrosiveness to marine glue, and bubble can be subject to outside air temperature to change rising-heat contracting-cold, affect the result of use of LED flexible lamp band.If flexible LED lamp belt is penetrated in a transparent protective casing, because flexible LED lamp belt is very soft, threading operation has great difficulty.The patented technology that is 200710032818.1,200820203075.4 as the Chinese patent patent No. has all reflected this problem.
Therefore, design a kind of LED flexible lamp band rational in infrastructure, the manufacture method of simultaneously studying a kind of science make LED flexible lamp band practical, better bring into play its: energy-saving and environmental protection, attractive in appearance, durable advantage have become industry professional and have expected the problem solving.
Summary of the invention
The object of the invention is to make up above-mentioned deficiency, to society, disclose a kind of simple in structure, manufacture and easy to use, good looking appearance, the LED lamp band that the high waterproof high life is soft.
Another object of the present invention is to provide a kind of processing and fabricating good looking appearance, the method for the LED lamp band that the high waterproof high life is soft.
The technical solution adopted in the present invention is as follows:
A high waterproof high life LED flexible lamp band, comprises flexible circuit board, is arranged at least one the LED illuminator being communicated with by wire on flexible circuit board, current-limiting resistance, the marine glue that described flexible circuit board, LED illuminator and current-limiting resistance are covered; It is characterized in that: the outermost layer of described LED flexible lamp band is the soft transparent casing that whole LED flexible lamp band hard-pressed bale, and the inwall of this soft transparent casing is close on described marine glue surface.
The measure of further optimizing the technical program is:
Described soft transparent casing is made by good, corrosion-resistant, the anti abrasive Teflon material of moisture resistance.
Described marine glue is the crystal glue-dropping that flexibility is good, transparency is high.
The measure of optimizing the technical program also has:
The bottom surface of described soft transparent casing is stained with double faced adhesive tape.
A manufacture method for high waterproof high life LED flexible lamp band, is characterized in that it comprises the following steps:
A, making LED flexible lamp band semi-finished product
1) make flexible circuit board
By designing requirement, make flexible circuit board;
2) the LED illuminator choosing and current-limiting resistance are welded on flexible circuit board by designing requirement;
3) light test, whether LED illuminator and current-limiting resistance that check is arranged on flexible circuit board meet the requirements, and the flexible lamp band of the test passes of having welded is interconnected to the length needing;
B, above-mentioned semi-finished product are implemented to encapsulating
After the flexible lamp band semi-finished product that connect are fixed on encapsulating support, in front, fill with the marine glue of transparent flexible,
Then place and within 24 hours, treat that it solidifies;
C, employing high pressure draught technique are put LED flexible lamp band in one soft transparent casing into
The high pressure draught blowing out with high-pressure pump and supporting high pressure air rifle is blown into LED flexible lamp band in soft transparent casing;
Adopt the concrete condition of high pressure draught technique to be:
1) prepare one than one of the slightly long tightrope of described soft transparent casing, at the circular steel ball in fixing of one end of this tightrope; The other end of tightrope is fixed on the wire at top of LED flexible lamp band;
2) described steel ball is put into soft transparent casing, aim at steel ball blow with high pressure air rifle, steel ball hauls rope from the other end of soft transparent casing out rapidly;
3) at the other end of soft transparent casing, hold tightrope and pull outward, continue soft transparent casing to blow simultaneously, tightrope just drives soft lamp band to enter in whole soft transparent casing; 5 meters long LED flexible lamp bands put soft transparent casing, and only 1 minute used time just completed.
D, hot pressing are shunk
Put the LED flexible lamp band that packages soft transparent casing into high temperature constant temperature baking box, soft transparent casing compression is shunk.Like this, LED flexible lamp band outer surface has increased the soft transparent casing of being close to together again, between soft transparent casing and marine glue without bubble.
When in step D, hot pressing is shunk, the temperature of described high temperature constant temperature baking box is 200-250 degree constant temperature, baking time 2-5 second.
In steps A, 1) in, while making flexible circuit board, adopt that to cover copper be the copper plate that 0.25mm is thick, the flexibility of so good increase product and thermal diffusivity;
In steps A, 2) in, select LED illuminator need make an accurate selection of on request LED illuminator color, and selected quality, LED illuminator that grade is good; While welding LED illuminator and current-limiting resistance on flexible circuit board, adopt full-automatic SMT chip mounter.
In step B, the marine glue of described transparent flexible is crystal glue-dropping.
After step D completes, at the LED flexible lamp band back side, stick double faced adhesive tape, the LED flexible lamp band of being more convenient for is used.
Advantage of the present invention is:
First, because the outermost layer of LED flexible lamp band is the soft transparent casing that whole LED flexible lamp band hard-pressed bale, the inwall of this soft transparent casing is close on described marine glue surface, so, LED flexible lamp band of the present invention has played dual fail-safe effect aspect water resistance, and classification of waterproof can reach IP67, and the classification of waterproof of mill run is conventionally only to reach IP45, the highest IP60, so its water resistance improves a lot than existing product.
Moreover, because making marine glue, soft transparent casing is hedged off from the outer world, Waterproof glue line has been played to protective effect.Make marine glue yellowing rotten greatly slow, make marine glue can keep for a long time good transparency, thereby the luminous elegance of whole piece LED flexible lamp band is remained youthful forever.
Importantly, very tight because of combination between soft transparent casing and marine glue, sleeve pipe has been brought into play fine effect on prevention marine glue chaps, fractures, thereby greatly extended the service life of whole piece LED flexible lamp band.LED flexible lamp band of the present invention can reach more than 20000 hours service life, and common just about 500 hours.
Also have, marine glue of the present invention replaces the silica gel of existing technical products with crystal glue-dropping, because crystal glue-dropping flexibility is good, transparency is high, improved greatly flexibility and the brightness of product, has improved result of use.The adhesive of high viscosity double faced adhesive tape when using, is used convenience is provided to user; Soft transparent casing is made and is also had sizable effect to improving the performance of LED flexible lamp band by good, corrosion-resistant, the anti abrasive Teflon material of moisture resistance.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present invention;
Fig. 2 is Figure 1A-A cross-sectional schematic;
Fig. 3 is Figure 1B-B cross-sectional schematic;
Fig. 4 is that product of the present invention is put into schematic diagram after storage disk.
The specific embodiment
Each Reference numeral title in accompanying drawing is:
Soft transparent casing 1, marine glue 2, flexible circuit board 3, double faced adhesive tape 4, current-limiting resistance 5, LED illuminator 6, wire 7, LED flexible lamp band storage disk 8.
Below in conjunction with accompanying drawing, the present invention is described in further detail:
As shown in Figures 1 to 4, a high waterproof high life LED flexible lamp band, comprises flexible circuit board 3, is arranged at least one the LED illuminator 6 being communicated with by wire on flexible circuit board, current-limiting resistance 5, the marine glue 2 that described flexible circuit board 3, LED illuminator 6 and current-limiting resistance 5 are covered; It is characterized in that: the outermost layer of described LED flexible lamp band is the soft transparent casing 1 that whole LED flexible lamp band hard-pressed bale, and the inwall of this soft transparent casing 1 is close on described marine glue 2 surfaces.
Described soft transparent casing 1 is made by good, corrosion-resistant, the anti abrasive Teflon material of moisture resistance.
Described marine glue 2 is crystal glue-droppings that flexibility is good, transparency is high.
The bottom surface of described soft transparent casing is stained with double faced adhesive tape 4, and described double faced adhesive tape 4 is 3M brand high viscosity double faced adhesive tapes.
Described high waterproof high life LED flexible lamp band manufacture method be: it comprises the following steps:
A, making LED flexible lamp band semi-finished product
1) make flexible circuit board
By designing requirement, make flexible circuit board, it is the copper plate that 0.25mm is thick that copper is covered in employing, the flexibility of so good increase product and thermal diffusivity;
2) select LED illuminator need make an accurate selection of on request LED illuminator color, and selected quality, LED illuminator that grade is good.Adopt full-automatic SMT chip mounter that the LED illuminator and the current-limiting resistance that choose are welded on flexible circuit board by designing requirement.
3) light test, whether LED illuminator and current-limiting resistance that check is arranged on flexible circuit board meet the requirements, and the flexible lamp band of the test passes of having welded is interconnected to 5 meters of (that certainly can slightly grow or slightly short) length;
B, above-mentioned semi-finished product are implemented to encapsulating
After the flexible lamp band semi-finished product that connect are fixed on encapsulating support, in front, fill with the crystal glue-dropping of transparent flexible,
Then place and within 24 hours, treat that it solidifies.
C, employing high pressure draught technique are put LED flexible lamp band in one soft transparent casing into
The high pressure draught blowing out with high-pressure pump and supporting high pressure air rifle is blown into LED flexible lamp band in the soft transparent casing that good, corrosion-resistant, the anti abrasive Teflon material of moisture resistance is made.Concrete condition is:
1) prepare one than one of 5 meters of slightly long tightrope of soft transparent casing, at the circular steel ball in fixing of one end of this tightrope; The other end of tightrope is fixed on the wire at top of LED flexible lamp band;
2) described steel ball is put into described soft transparent casing, aim at steel ball blow with high pressure air rifle, steel ball hauls rope from the other end of soft transparent casing out rapidly;
3) at the other end of soft transparent casing, hold tightrope and pull outward, continue soft transparent casing to blow simultaneously, tightrope just drives soft lamp band to enter in whole soft transparent casing; 5 meters long LED flexible lamp bands put soft transparent casing, and only 1 minute used time just completed.Like this, LED flexible lamp band outer surface has increased the soft transparent casing of being close to together again, between soft transparent casing and marine glue without bubble.
D, hot pressing are shunk
Put the LED flexible lamp band that packages soft transparent casing into high temperature constant temperature baking box, soft transparent casing compression is shunk.When hot pressing is shunk, the temperature of described high temperature constant temperature baking box is constant temperature 220 degree, baking time 3 seconds.
After step D completes, at the LED flexible lamp band back side, stick double faced adhesive tape, the LED flexible lamp band of being more convenient for is used; Described double faced adhesive tape is 3M brand high viscosity double faced adhesive tape.
In addition, in step D the temperature of high temperature constant temperature baking box can 200 degree, baking time 5 seconds.The temperature that can be also high temperature constant temperature baking box is 250 degree, baking time 2 seconds.
The LED flexible lamp band completing is connected into required all lengths, is finally involved in flexible lamp band storage disks 8,
Make easy to carry and use.

Claims (5)

1. the manufacture method of one kind high waterproof high life LED flexible lamp band, it is characterized in that: this high waterproof high life LED flexible lamp band comprises flexible circuit board (3), be arranged at least one the LED illuminator (6) being communicated with by wire on flexible circuit board, current-limiting resistance (5), the marine glue (2) that described flexible circuit board (3), LED illuminator (6) and current-limiting resistance (5) are covered; Also comprise, the outermost layer of described LED flexible lamp band is the soft transparent casing (1) that whole LED flexible lamp band hard-pressed bale, and the inwall of this soft transparent casing (1) is close on described marine glue (2) surface;
Its making method comprises the following steps:
A, making LED flexible lamp band semi-finished product
1) make flexible circuit board
By designing requirement, make flexible circuit board;
2) the LED illuminator choosing and current-limiting resistance are welded on flexible circuit board by designing requirement;
3) light test, whether LED illuminator and current-limiting resistance that check is arranged on flexible circuit board meet the requirements, and the flexible lamp band of the test passes of having welded is interconnected to the length needing;
B, above-mentioned semi-finished product are implemented to encapsulating
After the flexible lamp band semi-finished product that connect are fixed on encapsulating support, in front, fill with the marine glue of transparent flexible,
Then place and within 24 hours, treat that it solidifies;
C, employing high pressure draught technique are put LED flexible lamp band in one soft transparent casing into
The high pressure draught blowing out with high-pressure pump and supporting high pressure air rifle is blown into LED flexible lamp band in soft transparent casing;
Adopt the concrete condition of high pressure draught technique to be:
1) prepare one than one of the slightly long tightrope of described soft transparent casing, at the circular steel ball in fixing of one end of this tightrope; The other end of tightrope is fixed on the wire at top of LED flexible lamp band;
2) described steel ball is put into soft transparent casing, aim at steel ball blow with high pressure air rifle, steel ball hauls rope from the other end of soft transparent casing out rapidly;
3) at the other end of soft transparent casing, hold tightrope and pull outward, continue soft transparent casing to blow simultaneously, tightrope just drives soft lamp band to enter in whole soft transparent casing; 5 meters long LED flexible lamp bands put soft transparent casing, and only 1 minute used time just completed;
D, hot pressing are shunk
Put the LED flexible lamp band that packages soft transparent casing into high temperature constant temperature baking box, soft transparent casing compression is shunk.
2. the method for LED flexible lamp band of high waterproof high life of manufacture according to claim 1, is characterized in that: when in step D, hot pressing is shunk, the temperature of described high temperature constant temperature baking box is 200-250 degree constant temperature, baking time 2-5 second.
3. the method for LED flexible lamp band of high waterproof high life of manufacture according to claim 2, is characterized in that: steps A, 1), adopt that to cover copper be the copper plate that 0.25mm is thick while making flexible circuit board, the flexibility of so good increase product and thermal diffusivity;
Steps A, 2), in, select LED illuminator need make an accurate selection of on request LED illuminator color, and selected quality, LED illuminator that grade is good; While welding LED illuminator and current-limiting resistance on flexible circuit board, adopt full-automatic SMT chip mounter.
4. the method for LED flexible lamp band of high waterproof high life of manufacture according to claim 3, is characterized in that: in step B, the marine glue of described transparent flexible is crystal glue-dropping.
5. the method for LED flexible lamp band of high waterproof high life of manufacture according to claim 1, is characterized in that: after step D completes, at the LED flexible lamp band back side, stick double faced adhesive tape.
CN201210396728.1A 2012-10-18 2012-10-18 High water-proof high service life LED (light-emitting diode) soft lamp belt and manufacturing method thereof Active CN102889490B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210396728.1A CN102889490B (en) 2012-10-18 2012-10-18 High water-proof high service life LED (light-emitting diode) soft lamp belt and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210396728.1A CN102889490B (en) 2012-10-18 2012-10-18 High water-proof high service life LED (light-emitting diode) soft lamp belt and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN102889490A CN102889490A (en) 2013-01-23
CN102889490B true CN102889490B (en) 2014-12-10

Family

ID=47533098

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210396728.1A Active CN102889490B (en) 2012-10-18 2012-10-18 High water-proof high service life LED (light-emitting diode) soft lamp belt and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN102889490B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103363366A (en) * 2013-07-15 2013-10-23 厦门乾照光电股份有限公司 LED soft light bar and manufacturing method thereof
CN114234069A (en) * 2021-12-30 2022-03-25 无锡百富照明电器有限公司 Manufacturing method of LED flexible lamp strip with high water resistance and long service life

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007207768A (en) * 2007-04-13 2007-08-16 Moriyama Sangyo Kk Waterproof structure of tubular case end
CN201037609Y (en) * 2007-03-26 2008-03-19 深圳市宝诚鑫光电科技有限公司 Water-proof luminescent diode lamp belt
CN201043698Y (en) * 2007-05-17 2008-04-02 周政祥 Neon LED colorful flexible light tube
CN101230959A (en) * 2008-02-04 2008-07-30 林万炯 Flexible water-proof LED lamp belt and embedding technique thereof
CN202158410U (en) * 2011-06-07 2012-03-07 梁俊 LED (light emitting diode) flexible lamp bar encapsulated by silica gel
CN202419300U (en) * 2012-01-10 2012-09-05 深圳市科利尔照明科技有限公司 Light-emitting diode (LED) lamp tape
CN202868428U (en) * 2012-10-18 2013-04-10 宁波复洋光电有限公司 Light emitting diode (LED) lamp belt with high watertightness and long life softness

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201037609Y (en) * 2007-03-26 2008-03-19 深圳市宝诚鑫光电科技有限公司 Water-proof luminescent diode lamp belt
JP2007207768A (en) * 2007-04-13 2007-08-16 Moriyama Sangyo Kk Waterproof structure of tubular case end
CN201043698Y (en) * 2007-05-17 2008-04-02 周政祥 Neon LED colorful flexible light tube
CN101230959A (en) * 2008-02-04 2008-07-30 林万炯 Flexible water-proof LED lamp belt and embedding technique thereof
CN202158410U (en) * 2011-06-07 2012-03-07 梁俊 LED (light emitting diode) flexible lamp bar encapsulated by silica gel
CN202419300U (en) * 2012-01-10 2012-09-05 深圳市科利尔照明科技有限公司 Light-emitting diode (LED) lamp tape
CN202868428U (en) * 2012-10-18 2013-04-10 宁波复洋光电有限公司 Light emitting diode (LED) lamp belt with high watertightness and long life softness

Also Published As

Publication number Publication date
CN102889490A (en) 2013-01-23

Similar Documents

Publication Publication Date Title
CN201043698Y (en) Neon LED colorful flexible light tube
CN205690136U (en) New LED flexibility line lamp
CN206635233U (en) Led transparent luminescent glass
WO2006012833A3 (en) Light source with a low colour temperature
CN102486268A (en) Extrusion-molded LED (light emitting diode) lamp band component and method
CN102889490B (en) High water-proof high service life LED (light-emitting diode) soft lamp belt and manufacturing method thereof
CN202791560U (en) LED flexible lamp bar
CN105351759B (en) A kind of packaging method of LED light
CN106051510A (en) Manufacturing method for novel LED flexible line lamp and novel LED flexible line lamp
CN202868428U (en) Light emitting diode (LED) lamp belt with high watertightness and long life softness
CN201032086Y (en) Flexible optical fiber LED lamp strip
CN201110474Y (en) Flexible neon tube lamp having adjustable luminescence color
CN202209571U (en) LED strip assembly formed by extrusion molding
CN203500873U (en) All-angle light-emitting straight-strip filament
CN208138936U (en) A kind of LED light strip
CN202423387U (en) High temperature resistant reflow soldering LED (light-emitting diode) organic silicon packaging glue structure
CN208951870U (en) A kind of multi-functional suspension lamp
CN204650384U (en) The cabinet of lighting effects can be controlled
CN203466190U (en) COB light source based on light conversion body
CN202708901U (en) Light-emitting diode (LED) soft light ceiling
CN101398136B (en) Luminous color adjustable flexible neon tube lamp
CN204299221U (en) A kind of wedding celebration plastics Starlight stage
CN208719905U (en) Copper wire lamp string
CN209012852U (en) A kind of flexible light band structure
CN201401718Y (en) LED gorgeous ball lamp

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP02 Change in the address of a patent holder

Address after: 315103 No. 666 Jinghua Road, Ningbo High-tech Zone, Zhejiang Province

Patentee after: Ningbo Foryard Optoelectronics Co., Ltd.

Address before: 315051 No. 115 Qixin Road, Ningbo City, Zhejiang Province

Patentee before: Ningbo Foryard Optoelectronics Co., Ltd.

CP02 Change in the address of a patent holder