CN107425108A - A kind of spraying coating process of fluorescent material - Google Patents
A kind of spraying coating process of fluorescent material Download PDFInfo
- Publication number
- CN107425108A CN107425108A CN201710239648.8A CN201710239648A CN107425108A CN 107425108 A CN107425108 A CN 107425108A CN 201710239648 A CN201710239648 A CN 201710239648A CN 107425108 A CN107425108 A CN 107425108A
- Authority
- CN
- China
- Prior art keywords
- fluorescent material
- silica gel
- ethyl acetate
- coating process
- sprayed
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000005507 spraying Methods 0.000 title claims abstract description 28
- 238000000576 coating method Methods 0.000 title claims abstract description 19
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 78
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000741 silica gel Substances 0.000 claims abstract description 31
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000007711 solidification Methods 0.000 claims abstract description 7
- 230000008023 solidification Effects 0.000 claims abstract description 7
- 239000003595 mist Substances 0.000 claims abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 12
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 150000002148 esters Chemical class 0.000 claims 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 9
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 4
- 235000021419 vinegar Nutrition 0.000 description 4
- 239000000052 vinegar Substances 0.000 description 4
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004709 eyebrow Anatomy 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001652 electrophoretic deposition Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of spraying coating process of fluorescent material, before atomizing spraying, the mixed liquor of one layer of silica gel of precoating and ethyl acetate on object to be sprayed, after 80 85 DEG C of solidifications, fluorescent powder jet printing liquid mist is sprayed on object to be sprayed again, in spraying process, substrate or chip are constantly overturn.The present invention can prevent phosphor powder layer directly and chip or substrate contact, improve the uniformity of LED light extractions by fluorescent material even application on substrate and chip.
Description
Technical field
The present invention relates to spraying coating process field, and in particular to a kind of spraying coating process of fluorescent material.
Background technology
Traditional fluorescent material coating method has three kinds, respectively dotting glue method, electrophoretic deposition, spraying process.Spraying process be by
Fluorescent powder jet printing liquid is sprayed onto substrate and chip surface with spray gun, completes coating.Fluorescent material is during dusting, if technique is not
When, it may appear that the problem of eyebrow shape bisque is accumulated.Existing coating is exactly that fluorescent material is painted on chip, and fluorescent material exists
Easily adhere to uneven on chip, and this painting method result in the aging of fluorescent material so that lamp blackening.
The content of the invention
The invention provides a kind of spraying coating process of fluorescent material, the spraying coating process can be by fluorescent material even application in substrate
On chip, prevent phosphor powder layer directly and chip or substrate contact, improve the uniformity of LED light extractions.
The present invention is achieved through the following technical solutions：
A kind of spraying coating process of fluorescent material, before atomizing spraying, one layer of silica gel of precoating and vinegar on object to be sprayed
The mixed liquor of acetoacetic ester, spray on object to be sprayed, spray after 80-85 DEG C of solidification, then by fluorescent powder jet printing liquid mist
During, substrate or chip are constantly overturn.
Fluorescent powder jet printing liquid is fluorescent material, silica gel, ethyl acetate, polyvinyl alcohol, the mixed liquor of triethyl phosphate, with weight
Meter, fluorescent material：Silica gel：Ethyl acetate：Polyvinyl alcohol：Triethyl phosphate：Deionized water is 3-5:1:2-4：1-2：0.5-1：10.
The creative collocation of fluorescent powder jet printing liquid so that fluorescent powder jet printing fluid viscosity is moderate, can on chip Uniform Flow to chip
During edge, just half is dry under hot blast effect, is not in the accumulation of eyebrow shape bisque.Hot blast temperature is 80-85 DEG C.
By weight, fluorescent material：Silica gel：Ethyl acetate：Triethyl phosphate：Deionized water is 3:1:4：1：0.5：10.
The silica gel of precoating and the 6-10% that the mixed liquor weight of ethyl acetate is fluorescent powder jet printing liquid.
The silica gel of precoating and the weight ratio of ethyl acetate are 1:2.
A kind of spray coating liquor of fluorescent material, by weight, fluorescent material：Silica gel：Ethyl acetate：Polyvinyl alcohol：Triethyl phosphate：
Deionized water is 3-5:1:2-4：1-2：0.5-1：10.
Inventive conception is that：Before atomizing spraying, on substrate or chip to be sprayed one layer of silica gel of precoating and
The mixed liquor of ethyl acetate, after 80-85 DEG C of solidification, a separation layer can be formed on the surface of substrate or chip, prevented
Only fluorescent material and chip directly contact, and so as to prevent fluorescent material is uneven to be attached on chip, improve out light consistency, in addition every
Fluorescent material aging can also be prevented from fluorescent material, prevents blackening.
The present invention compared with prior art, has the following advantages and advantages：
The present invention can by fluorescent material even application on substrate and chip, prevent phosphor powder layer directly and chip or base
Plate contacts, and improves the uniformity of LED light extractions.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment, the present invention is made
Further to describe in detail, exemplary embodiment of the invention and its explanation are only used for explaining the present invention, are not intended as to this
The restriction of invention.
Embodiment 1
A kind of spraying coating process of fluorescent material, before atomizing spraying, one layer of silica gel of precoating and vinegar on object to be sprayed
The mixed liquor of acetoacetic ester, spray on object to be sprayed, spray after 80-85 DEG C of solidification, then by fluorescent powder jet printing liquid mist
During, substrate or chip are constantly overturn.
Fluorescent powder jet printing liquid is fluorescent material, silica gel, ethyl acetate, polyvinyl alcohol, the mixed liquor of triethyl phosphate, with weight
Meter, fluorescent material：Silica gel：Ethyl acetate：Polyvinyl alcohol：Triethyl phosphate：Deionized water is 3:1:2：1：0.5：10.Precoating
The mixed liquor weight of silica gel and ethyl acetate is the 6% of fluorescent powder jet printing liquid.
The silica gel of precoating and the weight ratio of ethyl acetate are 1:2.
Embodiment 2
A kind of spraying coating process of fluorescent material, before atomizing spraying, one layer of silica gel of precoating and vinegar on object to be sprayed
The mixed liquor of acetoacetic ester, spray on object to be sprayed, spray after 80-85 DEG C of solidification, then by fluorescent powder jet printing liquid mist
During, substrate or chip are constantly overturn.
Fluorescent powder jet printing liquid is fluorescent material, silica gel, ethyl acetate, polyvinyl alcohol, the mixed liquor of triethyl phosphate, with weight
Meter, fluorescent material：Silica gel：Ethyl acetate：Polyvinyl alcohol：Triethyl phosphate：Deionized water is 3:1:4：1：0.5：10.Precoating
The mixed liquor weight of silica gel and ethyl acetate is the 8% of fluorescent powder jet printing liquid.
The silica gel of precoating and the weight ratio of ethyl acetate are 1:2.
Embodiment 3
A kind of spraying coating process of fluorescent material, before atomizing spraying, one layer of silica gel of precoating and vinegar on object to be sprayed
The mixed liquor of acetoacetic ester, spray on object to be sprayed, spray after 80-85 DEG C of solidification, then by fluorescent powder jet printing liquid mist
During, substrate or chip are constantly overturn.
Fluorescent powder jet printing liquid is fluorescent material, silica gel, ethyl acetate, polyvinyl alcohol, the mixed liquor of triethyl phosphate, with weight
Meter, fluorescent material：Silica gel：Ethyl acetate：Polyvinyl alcohol：Triethyl phosphate：Deionized water is 3-5:1:2-4：1-2：0.5-1：10.
The silica gel of precoating and the mixed liquor weight of ethyl acetate are the 10% of fluorescent powder jet printing liquid.
The silica gel of precoating and the weight ratio of ethyl acetate are 1:2.
Embodiment 4
A kind of spray coating liquor of fluorescent material, by weight, fluorescent material：Silica gel：Ethyl acetate：Polyvinyl alcohol：Triethyl phosphate：
Deionized water is 3-5:1:2-4：1-2：0.5-1：10.
The chip sprayed by embodiment 1-3, its luminous uniformity are better than general technology.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (5)
- A kind of 1. spraying coating process of fluorescent material, it is characterised in that before atomizing spraying, one layer of precoating on object to be sprayed The mixed liquor of silica gel and ethyl acetate, after 80-85 DEG C of solidification, then fluorescent powder jet printing liquid mist is sprayed to object to be sprayed On.
- 2. spraying coating process according to claim 1, it is characterised in that fluorescent powder jet printing liquid is fluorescent material, silica gel, acetic acid second Ester, polyvinyl alcohol, the mixed liquor of triethyl phosphate, by weight, fluorescent material：Silica gel：Ethyl acetate：Polyvinyl alcohol：Tricresyl phosphate Ethyl ester：Deionized water is 3-5:1:2-4：1-2：0.5-1：10.
- 3. spraying coating process according to claim 2, it is characterised in that by weight, fluorescent material：Silica gel：Ethyl acetate：Phosphorus Triethylenetetraminehexaacetic acid ester：Deionized water is 3:1:4：1：0.5:10.
- 4. spraying coating process according to claim 1, it is characterised in that the silica gel of precoating and the mixed liquor weight of ethyl acetate Measure as the 6-10% of fluorescent powder jet printing liquid.
- 5. spraying coating process according to claim 1, it is characterised in that the silica gel of precoating and the weight ratio of ethyl acetate are 1:2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239648.8A CN107425108A (en) | 2017-04-13 | 2017-04-13 | A kind of spraying coating process of fluorescent material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239648.8A CN107425108A (en) | 2017-04-13 | 2017-04-13 | A kind of spraying coating process of fluorescent material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107425108A true CN107425108A (en) | 2017-12-01 |
Family
ID=60423877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710239648.8A Pending CN107425108A (en) | 2017-04-13 | 2017-04-13 | A kind of spraying coating process of fluorescent material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107425108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807221A (en) * | 2018-04-25 | 2018-11-13 | 四川省欧玛科技有限公司 | LED fluorescent powder spraying method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623621A (en) * | 2012-04-12 | 2012-08-01 | 深圳雷曼光电科技股份有限公司 | Packaging process for light-emitting diode (LED) with fluorescent glue film and LED packaging |
| CN103489994A (en) * | 2013-10-15 | 2014-01-01 | 晶科电子（广州）有限公司 | High-adhesion and high-reliability white LED (light-emitting diode) chip |
| CN104877138A (en) * | 2015-05-14 | 2015-09-02 | 深圳新宙邦科技股份有限公司 | Silicon resin with adhesive properties and preparation method of silicon resin |
| CN105440695A (en) * | 2015-11-20 | 2016-03-30 | 福建师范大学 | Preparation method of yellow-light silica gel with light emitting and packaging functions and application of yellow-light silica gel in white-light LED |
-
2017
- 2017-04-13 CN CN201710239648.8A patent/CN107425108A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623621A (en) * | 2012-04-12 | 2012-08-01 | 深圳雷曼光电科技股份有限公司 | Packaging process for light-emitting diode (LED) with fluorescent glue film and LED packaging |
| CN103489994A (en) * | 2013-10-15 | 2014-01-01 | 晶科电子（广州）有限公司 | High-adhesion and high-reliability white LED (light-emitting diode) chip |
| CN104877138A (en) * | 2015-05-14 | 2015-09-02 | 深圳新宙邦科技股份有限公司 | Silicon resin with adhesive properties and preparation method of silicon resin |
| CN105440695A (en) * | 2015-11-20 | 2016-03-30 | 福建师范大学 | Preparation method of yellow-light silica gel with light emitting and packaging functions and application of yellow-light silica gel in white-light LED |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807221A (en) * | 2018-04-25 | 2018-11-13 | 四川省欧玛科技有限公司 | LED fluorescent powder spraying method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |