CN111890815A - A flexible filament two-color temperature printing phosphor technology - Google Patents
A flexible filament two-color temperature printing phosphor technology Download PDFInfo
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- CN111890815A CN111890815A CN202010656769.4A CN202010656769A CN111890815A CN 111890815 A CN111890815 A CN 111890815A CN 202010656769 A CN202010656769 A CN 202010656769A CN 111890815 A CN111890815 A CN 111890815A
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- printing
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- screen plate
- flexible filament
- printing screen
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- 238000007639 printing Methods 0.000 title claims abstract description 116
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims 3
- 238000005516 engineering process Methods 0.000 title description 4
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 10
- 229910000679 solder Inorganic materials 0.000 claims abstract description 5
- 238000005323 electroforming Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
-
- 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
- B41M1/12—Stencil printing; Silk-screen printing
-
- 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
- B41M1/14—Multicolour printing
- B41M1/18—Printing one ink over another
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/003—Printing processes to produce particular kinds of printed work, e.g. patterns on optical devices, e.g. lens elements; for the production of optical devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
- H10H20/8511—Wavelength conversion means characterised by their material, e.g. binder
- H10H20/8512—Wavelength conversion materials
- H10H20/8513—Wavelength conversion materials having two or more wavelength conversion materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/036—Manufacture or treatment of packages
- H10H20/0361—Manufacture or treatment of packages of wavelength conversion means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Vascular Medicine (AREA)
- Printing Methods (AREA)
- Screen Printers (AREA)
Abstract
The invention relates to a fluorescent powder printing process with a flexible filament and double color temperatures, which comprises the following steps: step1, arranging a jig for bearing the substrate of the bicolor mild flexible filament, and straightening the substrate; step2, designing holes at positions needing to be separated by dispensing positions by using a printing screen according to the design size of the substrate; step3, matching a printing screen plate with a high-precision solder paste printer, matching the position of the hole of the first printing screen plate with the position of a flexible filament needing printing glue, and baking the printed product in an oven, wherein Step4 is that after the printing of the first color temperature is finished, the same Step as Step2 is used for designing the hole of the second printing screen plate, and the printing screen plate is used for printing the other color temperature, and the printing scheme can cover the printing in Step3 to form two products with different color temperatures after the covering; and Step5, baking after printing, and baking twice printing glue at the same time to obtain a finished product.
Description
Technical Field
The invention belongs to the field of flexible filament processing, and particularly relates to a flexible filament double-color-temperature fluorescent powder printing process.
Background
In the prior art, a single long flexible filament is made into double color temperatures, a dispensing machine is used for dispensing glue on one filament at intervals of a chip, the distance between every two adjacent filament is 0.6mm, the diameter of a required glue dispensing point is 0.5mm, the dispensing machine is used for dispensing glue in a matrix type dispensing mode, the dispensing scheme is used for 3 minutes, the color temperature glue is dried after being dispensed for 2 minutes, another group of chips are dispensed, the color temperatures of the two kinds of glue are different, the second chip dispensing is linear dispensing, the dispensing time is 2 minutes, and baking is carried out after the dispensing is finished.
Although the current processing technology can carry out the dispensing processing of double color temperature, the processing technology has the following defects after long-time use:
firstly, the size of the dispensing amount of a dispenser cannot be accurately controlled in the dispensing operation process, and the moving step precision of the dispenser has deviation, so that the dispensing amount is unstable, and the dispensing color temperature is unstable due to position deviation; secondly, the first step is to carry out the first,
the matrix type dotting type glue dispensing of the glue dispensing machine has the advantages of long service time, low efficiency, unstable various color temperatures of the machine table and low yield, thereby failing to meet the actual processing requirements.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the flexible filament double-color-temperature fluorescent powder printing process which is simple in process, high in processing efficiency and capable of improving glue dot quantity precision and product yield.
In order to achieve the purpose, the invention adopts the technical scheme that: a fluorescent powder printing process with flexible filaments and double color temperatures is characterized by comprising the following steps:
step1, arranging a jig for bearing a substrate of the bicolor mild and flexible filament, straightening the substrate, calculating the length of the substrate in the straightening process, limiting and controlling the stretching length of the substrate by using a sliding block, and finally determining the straightening length of the substrate;
step2, designing holes at positions needing to be separated by dispensing positions by using a printing screen plate according to the design size of the substrate, and using a high-precision electroforming printing screen plate;
step3, a printing screen plate is matched with a high-precision solder paste printer, a flexible filament to be printed is placed on a substrate, then the program adjustment of printing equipment is finished, a machine station takes points through a CCD image to carry out point grabbing and alignment, and then the opening position of the first printing screen plate is matched with the position of the flexible filament to be printed with glue; printing by a machine table, printing fluorescent glue on the flexible substrate through the opening of the screen printing plate in a missing mode, printing a piece of flexible filament for 30-60s, and baking the printed product in an oven for 2-8 minutes to cure the surface of the glue;
step4, after the first color temperature printing is finished, designing holes on a second printing screen plate by using the same steps as the Step2, and printing the other color temperature on the printing screen plate, wherein the printing scheme covers the printing in the Step3, two products with different color temperatures are formed after the covering, and the working hours are 30-60S;
and Step5, baking after printing, and baking the printed glue twice at the same time to obtain a finished product.
Furthermore, the diameter of the opening of the first printing screen is 0.5mm, and the thickness of the opening of the first printing screen is 0.01 mm.
Furthermore, the opening of the second printing screen is rectangular, the width of the opening is 0.6, and the thickness of the opening is 0.1 mm.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the flexible filament double-color-temperature fluorescent powder printing process can simplify the process, improve the efficiency, improve the glue dispensing amount precision, improve the product yield, and has high glue dispensing consistency stability and higher practicability.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic structural diagram of a first printing screen;
FIG. 2 is a schematic structural diagram of a second printing screen;
FIG. 3 is a schematic structural diagram of a state of use when a color temperature printing is performed on a flexible filament by using a first printing screen;
FIG. 4 is a schematic structural diagram of a use state of the flexible filament when another color temperature printing is performed by using a second printing screen;
FIG. 5 is an enlarged view of a portion of A of FIG. 4;
FIG. 6 is a comparison graph of the yield of the new and old technology with double color temperatures;
FIG. 7 is a comparison graph of capacity of the new and old process with double color temperature and different processes;
wherein: the color temperature printing glue comprises a first color temperature printing glue 1, a printing scraper 2, a flexible filament substrate 3, a flexible filament chip 4, a first printing screen 5, a first printing screen opening 6, a second color temperature printing glue 7, a second printing screen 8 and a second printing screen opening 9.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The first embodiment is as follows:
in this embodiment, the structures of the first printing screen and the second printing screen are shown in fig. 1-2, wherein the diameter of the opening of the first printing screen is 0.5mm, and the thickness of the opening of the first printing screen is 0.01 mm; the opening of the second printing screen is rectangular, the width of the opening is 0.6, and the thickness of the opening is 0.1 mm.
The invention relates to a fluorescent powder printing process with a flexible filament and double color temperatures, which comprises the following steps:
step1, arranging a jig for bearing the substrate of the bicolor mild flexible filament, straightening the substrate, calculating the length of the substrate in the straightening process, limiting and controlling the stretching length of the substrate by using a sliding block, and finally determining the straightening length of the substrate.
And Step2, according to the design size of the substrate, designing holes at positions needing to be separated by dispensing positions by using a printing screen plate, and using a high-precision electroforming printing screen plate.
Step3, referring to the attached drawing 3, placing a flexible filament to be printed on a substrate by a first printing screen 5 matched with a high-precision solder paste printer to form a flexible filament substrate 3, after the program adjustment of a printing device is finished, taking a point by a machine station through a CCD (charge coupled device) image to perform point grabbing and alignment, matching the position of an opening 6 of the first printing screen with the position of a flexible filament chip 4 needing printing glue, starting printing by the machine station, printing a first color temperature printing glue 1 on the flexible filament substrate 3 through the opening 6 of the first printing screen, wherein the time for printing a piece of flexible filament is 30s, and placing a printed product into an oven to bake for 2 minutes to solidify the surface of the glue.
Step4, after the printing of the first color temperature is finished, designing the holes 9 of the second printing screen plate on the second printing screen plate 8 by the same steps as the Step2, and at the moment, printing of the other color temperature is carried out on the second printing screen plate 8, the printing scheme covers the printing in the Step3, and two products with different color temperatures are formed after the covering, and the working hours are 30S, as shown in the attached figure 4.
And Step5, baking after printing, and baking the printed glue twice at the same time to obtain a finished product.
Example two:
the invention relates to a fluorescent powder printing process with a flexible filament and double color temperatures, which comprises the following steps:
step1, arranging a jig for bearing the substrate of the bicolor mild flexible filament, straightening the substrate, calculating the length of the substrate in the straightening process, limiting and controlling the stretching length of the substrate by using a sliding block, and finally determining the straightening length of the substrate.
And Step2, according to the design size of the substrate, designing holes at positions needing to be separated by dispensing positions by using a printing screen plate, and using a high-precision electroforming printing screen plate.
Step3, referring to the attached drawing 3, placing a flexible filament to be printed on a substrate by a first printing screen 5 matched with a high-precision solder paste printer to form a flexible filament substrate 3, after the program adjustment of a printing device is finished, taking a point by a machine station through a CCD image to perform point grabbing and alignment, matching the position of an opening 6 of the first printing screen with the position of a flexible filament chip 4 needing printing glue, starting printing by the machine station, printing a first color temperature printing glue 1 on the flexible filament substrate 3 through the opening 6 of the first printing screen, wherein the time for printing a piece of flexible filament is 60s, and placing a printed product into an oven to bake for 8 minutes to solidify the surface of the glue.
Step4, after the printing of the first color temperature is finished, designing the holes 9 of the second printing screen plate on the second printing screen plate 8 by the same steps as the Step2, and at the moment, printing of the other color temperature is carried out on the second printing screen plate 8, the printing scheme covers the printing in the Step3, and two products with different color temperatures are formed after the covering, and the working hours 60S are shown in the attached figure 4.
In practical application, the product and the yield of the product using the process are greatly improved, and the comparison graph of the productivity and the yield of the new process and the old process is shown in the attached figures 6-7.
The flexible filament double-color-temperature fluorescent powder printing process can simplify the process, improve the efficiency, improve the glue dispensing amount precision, improve the product yield, and has high glue dispensing consistency stability and higher practicability.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (3)
1. A fluorescent powder printing process with flexible filaments and double color temperatures is characterized by comprising the following steps:
step1, arranging a jig for bearing a substrate of the bicolor mild and flexible filament, straightening the substrate, calculating the length of the substrate in the straightening process, limiting and controlling the stretching length of the substrate by using a sliding block, and finally determining the straightening length of the substrate;
step2, designing holes at positions needing to be separated by dispensing positions by using a printing screen plate according to the design size of the substrate, and using a high-precision electroforming printing screen plate;
step3, a printing screen plate is matched with a high-precision solder paste printer, a flexible filament to be printed is placed on a substrate, then program adjustment of printing equipment is completed, a machine station takes points through a CCD image to grab points and align, then the opening position of the first printing screen plate is matched with the position of the flexible filament to be printed with glue, the machine station starts printing, fluorescent glue is printed on the flexible substrate through the opening of the screen plate in a missing mode, the time for printing one piece of flexible filament is 30-60s, and a printed product is placed into an oven to be baked for 2-8 min, so that the surface of the glue is solidified;
step4, after the first color temperature printing is finished, designing holes on a second printing screen plate by using the same steps as the Step2, and printing the other color temperature on the printing screen plate, wherein the printing scheme covers the printing in the Step3, two products with different color temperatures are formed after the covering, and the working hours are 30-60S;
and Step5, baking after printing, and baking the printed glue twice at the same time to obtain a finished product.
2. The flexible filament dual color temperature printing phosphor process of claim 1, wherein: the diameter of the opening of the first printing screen plate is 0.5mm, and the thickness of the opening of the first printing screen plate is 0.01 mm.
3. The flexible filament dual color temperature printing phosphor process of claim 1, wherein: the opening of the second printing screen is rectangular, the width of the opening is 0.6, and the thickness of the opening is 0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656769.4A CN111890815A (en) | 2020-07-09 | 2020-07-09 | A flexible filament two-color temperature printing phosphor technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656769.4A CN111890815A (en) | 2020-07-09 | 2020-07-09 | A flexible filament two-color temperature printing phosphor technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111890815A true CN111890815A (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010656769.4A Pending CN111890815A (en) | 2020-07-09 | 2020-07-09 | A flexible filament two-color temperature printing phosphor technology |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619127A (en) * | 2013-11-04 | 2014-03-05 | 深圳市鑫岸科技有限公司 | Method for realizing high-precision screen printing through direct solidification |
| CN205202437U (en) * | 2015-12-11 | 2016-05-04 | 信利光电股份有限公司 | Silk screen utensil and screen printing machine |
| CN106025001A (en) * | 2016-06-13 | 2016-10-12 | 宁波升谱光电股份有限公司 | Manufacturing method of multi-color temperature LED assembly |
| CN107627748A (en) * | 2017-10-12 | 2018-01-26 | 上海应用技术大学 | A kind of tin cream method for printing screen for LED module |
| CN108212698A (en) * | 2018-03-12 | 2018-06-29 | 黄琴 | A kind of double-colored temperature LED light source point glue equipment of flexibility |
| CN109986896A (en) * | 2018-12-01 | 2019-07-09 | 广东骏亚电子科技股份有限公司 | Automatic aligning screen printing method based on CCD |
| CN110047824A (en) * | 2019-04-04 | 2019-07-23 | 深圳市立洋光电子股份有限公司 | Double-colored temperature COB light source and its manufacturing method |
| CN110137163A (en) * | 2019-04-04 | 2019-08-16 | 深圳市立洋光电子股份有限公司 | Two-color temperature COB light source and manufacturing method |
-
2020
- 2020-07-09 CN CN202010656769.4A patent/CN111890815A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619127A (en) * | 2013-11-04 | 2014-03-05 | 深圳市鑫岸科技有限公司 | Method for realizing high-precision screen printing through direct solidification |
| CN205202437U (en) * | 2015-12-11 | 2016-05-04 | 信利光电股份有限公司 | Silk screen utensil and screen printing machine |
| CN106025001A (en) * | 2016-06-13 | 2016-10-12 | 宁波升谱光电股份有限公司 | Manufacturing method of multi-color temperature LED assembly |
| CN107627748A (en) * | 2017-10-12 | 2018-01-26 | 上海应用技术大学 | A kind of tin cream method for printing screen for LED module |
| CN108212698A (en) * | 2018-03-12 | 2018-06-29 | 黄琴 | A kind of double-colored temperature LED light source point glue equipment of flexibility |
| CN109986896A (en) * | 2018-12-01 | 2019-07-09 | 广东骏亚电子科技股份有限公司 | Automatic aligning screen printing method based on CCD |
| CN110047824A (en) * | 2019-04-04 | 2019-07-23 | 深圳市立洋光电子股份有限公司 | Double-colored temperature COB light source and its manufacturing method |
| CN110137163A (en) * | 2019-04-04 | 2019-08-16 | 深圳市立洋光电子股份有限公司 | Two-color temperature COB light source and manufacturing method |
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Application publication date: 20201106 |
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| RJ01 | Rejection of invention patent application after publication |