CN105304801A - White-light LED light source with sterilization effect and manufacturing method thereof - Google Patents
White-light LED light source with sterilization effect and manufacturing method thereof Download PDFInfo
- Publication number
- CN105304801A CN105304801A CN201510674588.3A CN201510674588A CN105304801A CN 105304801 A CN105304801 A CN 105304801A CN 201510674588 A CN201510674588 A CN 201510674588A CN 105304801 A CN105304801 A CN 105304801A
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- Prior art keywords
- wafer
- light source
- light
- led light
- pct
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/52—Encapsulations
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/52—Encapsulations
- H01L33/56—Materials, e.g. epoxy or silicone resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/64—Heat extraction or cooling elements
Abstract
The invention discloses a white-light LED light source with a sterilization effect, which comprises a PCT bracket with heat sink, a UV wafer, a blue-light wafer, a gold wire and fluorescent glue, wherein the UV wafer and the blue-light wafer are fixed in the PCT bracket, the UV wafer is connected with the blue-light wafer in a welded mode through the gold wire, and the fluorescent glue is coated inside the PCT bracket and covers the UV wafer and the blue-light wafer. The invention further discloses a manufacturing method of the white-light LED light source with the sterilization effect. The PCT bracket with the heat sink is adopted, the heat sink ensures that a device has sufficient heat dissipation performance, a PCT material is better in UV resistant performance compared with common PPA materials, and the UV resistant performance of the device is improved; and UV resistant wafer fixing glue and UV resistant potting silica gel are adopted, so that the UV resistant performance of the device is improved. According to the invention, UV light is contained in white light in the device, and light emission is uniform. Meanwhile, the white-light LED light source has functions of sterilization and lighting, does not need to carry out light source matching, is convenient to use and has reliable and stable performance at the same time.
Description
Technical field
The present invention relates to field of photoelectric technology, particularly a kind of white LED light source with biocidal efficacies and preparation method thereof.
Background technology
Along with social development, improving constantly of scientific and technological level, people more and more focus on the energy-conservation and easy to use performance of product in daily life, and LED sterilization illuminating product is widely used.At present, LED sterilization illuminating product on market, adopt UVLED ultraviolet light source and white LED light source two kinds of light sources to carry out the method for designing of mixed light in product, control circui is according to two kinds of modes: one is that two kinds of light sources separately control, and one is two kinds of string of lights and controls after combination again.Adopt the sterilization illuminating product of two kinds of light sources, need to carry out pairing mixed light to two kinds of light sources, except manufacturing inconvenience, product also easily produces color spot, causes irradiation uneven, and color temperature shift is the problem such as in custom requirements colour temperature not.
And current common LED lighting source on the market, uv-resistant UV resistance is more weak, and under the long-term irradiation of ultraviolet light, LED white light source easily produces yellow, and glue splits the phenomenon of even dead lamp.Therefore, adopt the LED sterilization illuminating product of two kinds of light source design, white LED light source is under purple light irradiates for a long time, and white light LEDs easily lost efficacy, and causes properties of product unstable.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art and provides a kind of white LED light source with biocidal efficacies and preparation method thereof, LED light source of the present invention is easy to use, without the need to carrying out pairing mixed light, not easily produce the phenomenon such as color spot, color temperature shift, there is reliable and stable performance simultaneously.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
According to a kind of white LED light source with biocidal efficacies that the present invention proposes, comprise with heat sink PCT support, UV wafer, blue light wafer, gold thread and fluorescent glue; Wherein, described UV wafer and blue light wafer are all fixed in PCT support, weld conducting between UV wafer and blue light wafer by gold thread, and fluorescent glue to be coated in PCT support and to be coated on UV wafer and blue light wafer.
As a kind of further prioritization scheme of white LED light source with biocidal efficacies of the present invention, described fluorescent glue is mixed by embedding silica gel and fluorescent material.
As a kind of further prioritization scheme of white LED light source with biocidal efficacies of the present invention, described embedding silica gel is the embedding silica gel of uv-resistant performance.
As a kind of further prioritization scheme of white LED light source with biocidal efficacies of the present invention, the emission band of described UV wafer is 390-410nm, and the emission band of described blue light wafer is 450-460nm.
As a kind of further prioritization scheme of white LED light source with biocidal efficacies of the present invention, the bottom of described PCT support is also provided with fin.
According to a kind of manufacture method with the white LED light source of biocidal efficacies that the present invention proposes, comprise the following steps:
Step one, the PCT support providing band heat sink;
UV wafer and blue light wafer are fixed in PCT support by step 2, employing crystal-bonding adhesive;
UV wafer and blue light wafer are carried out welding conducting by step 3, employing gold thread;
Step 4, being coated on by fluorescent glue in PCT support and being coated on UV wafer and blue light wafer, baking-curing is shaped.
As a kind of further prioritization scheme of manufacture method with the white LED light source of biocidal efficacies of the present invention, described crystal-bonding adhesive is uv-resistant performance crystal-bonding adhesive.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
(1) adopt with heat sink PCT support, heat becomes to ensure that the heat dispersion that device is enough, and PCT material relatively common PPA material uv-resistant performance is better, improves the uv-resistant performance of device;
(2) the uv-resistant crystal-bonding adhesive adopted and uv-resistant embedding silica gel, improve the uv-resistant performance of device;
(3) the present invention's UV light in device is included in white light, and uniform in light emission, has sterilization and illumination functions simultaneously, without the need to carrying out light source pairing, easy to use, has reliable and stable performance simultaneously.
Accompanying drawing explanation
Fig. 1 is blank map vertical view after fluorescent glue of the present invention mixing.
Fig. 2 is blank map sectional drawing after fluorescent glue of the present invention mixing.
Reference numeral in figure is interpreted as: 1-fluorescent glue, 2-gold thread, 3-UV wafer, 4-blue light wafer, 5-support.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
Be blank map vertical view after fluorescent glue of the present invention mixing as shown in Figure 1, Fig. 2 is blank map sectional drawing after fluorescent glue of the present invention mixing.There is a white LED light source for biocidal efficacies, comprise with heat sink PCT support 5, UV wafer 3, blue light wafer 4, gold thread 2 and fluorescent glue 1; Wherein, described UV wafer and blue light wafer are all fixed in PCT support, weld conducting between UV wafer and blue light wafer by gold thread, and fluorescent glue to be coated in PCT support and to be coated on UV wafer and blue light wafer.
Described fluorescent glue is uniformly mixed in proportion by embedding silica gel and fluorescent material.
Described embedding silica gel is the embedding silica gel of uv-resistant performance.
The emission band of described UV wafer is 390-410nm, and the emission band of described blue light wafer is 450-460nm.
Be provided with larger die bond region in frame bottom bowl cup, described UV wafer and blue light wafer are separately fixed in die bond region by crystal-bonding adhesive, UV wafer and blue light wafer mutual conduction.
The bottom of described PCT support is also provided with fin.
There is a manufacture method for the white LED light source of biocidal efficacies, comprise the following steps:
Step one, the PCT support providing band heat sink;
UV wafer and blue light wafer are fixed in PCT support by step 2, employing crystal-bonding adhesive;
UV wafer and blue light wafer are carried out welding conducting by step 3, employing gold thread;
Step 4, being coated on by fluorescent glue in PCT support and being coated on UV wafer and blue light wafer, baking-curing is shaped.
Described crystal-bonding adhesive is uv-resistant performance crystal-bonding adhesive.
The present invention adopts 390-410nm wave band UV wafer, the UV light sent has the degerming effect in surface, adopts the blue light wafer of 450-460nm wave band, produces mixed white light after excitated fluorescent powder, have sterilization and illumination functions, be the good light source of the sterilization illuminating product in a kind of special lighting light fixture simultaneously.
In addition to the implementation, the present invention can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of application claims.
Claims (7)
1. there is a white LED light source for biocidal efficacies, it is characterized in that, comprise with heat sink PCT support, UV wafer, blue light wafer, gold thread and fluorescent glue; Wherein, described UV wafer and blue light wafer are all fixed in PCT support, weld conducting between UV wafer and blue light wafer by gold thread, and fluorescent glue to be coated in PCT support and to be coated on UV wafer and blue light wafer.
2. a kind of white LED light source with biocidal efficacies according to claim 1, is characterized in that, described fluorescent glue is mixed by embedding silica gel and fluorescent material.
3. a kind of white LED light source with biocidal efficacies according to claim 2, is characterized in that, described embedding silica gel is the embedding silica gel of uv-resistant performance.
4. a kind of white LED light source with biocidal efficacies according to claim 1, is characterized in that, the emission band of described UV wafer is 390-410nm, and the emission band of described blue light wafer is 450-460nm.
5. a kind of white LED light source with biocidal efficacies according to claim 1, is characterized in that, the bottom of described PCT support is also provided with fin.
6. there is a manufacture method for the white LED light source of biocidal efficacies, it is characterized in that, comprise the following steps:
Step one, the PCT support providing band heat sink;
UV wafer and blue light wafer are fixed in PCT support by step 2, employing crystal-bonding adhesive;
UV wafer and blue light wafer are carried out welding conducting by step 3, employing gold thread;
Step 4, being coated on by fluorescent glue in PCT support and being coated on UV wafer and blue light wafer, baking-curing is shaped.
7. a kind of manufacture method with the white LED light source of biocidal efficacies according to claim 6, is characterized in that, described crystal-bonding adhesive is uv-resistant performance crystal-bonding adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674588.3A CN105304801A (en) | 2015-10-19 | 2015-10-19 | White-light LED light source with sterilization effect and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674588.3A CN105304801A (en) | 2015-10-19 | 2015-10-19 | White-light LED light source with sterilization effect and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105304801A true CN105304801A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510674588.3A Pending CN105304801A (en) | 2015-10-19 | 2015-10-19 | White-light LED light source with sterilization effect and manufacturing method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018130750A1 (en) * | 2017-01-13 | 2018-07-19 | Juha Rantala | A led structure and luminaire for continuous disinfection |
| CN108954201A (en) * | 2018-09-12 | 2018-12-07 | Tcl华瑞照明科技（惠州）有限公司 | LED lamp bead and LED illumination lamp |
| WO2019191435A1 (en) * | 2018-03-29 | 2019-10-03 | Vital Vio, Inc. | Multiple light emitter for inactivating microorganisms |
| US10617774B2 (en) | 2017-12-01 | 2020-04-14 | Vital Vio, Inc. | Cover with disinfecting illuminated surface |
| CN111326506A (en) * | 2018-12-17 | 2020-06-23 | 深圳市斯迈得半导体有限公司 | Purple light LED light source and process thereof |
| US10753575B2 (en) | 2015-07-30 | 2020-08-25 | Vital Vio, Inc. | Single diode disinfection |
| US10918747B2 (en) | 2015-07-30 | 2021-02-16 | Vital Vio, Inc. | Disinfecting lighting device |
| US11369704B2 (en) | 2019-08-15 | 2022-06-28 | Vyv, Inc. | Devices configured to disinfect interiors |
| US11541135B2 (en) | 2019-06-28 | 2023-01-03 | Vyv, Inc. | Multiple band visible light disinfection |
| US11639897B2 (en) | 2019-03-29 | 2023-05-02 | Vyv, Inc. | Contamination load sensing device |
| US11878084B2 (en) | 2019-09-20 | 2024-01-23 | Vyv, Inc. | Disinfecting light emitting subcomponent |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11713851B2 (en) | 2015-07-30 | 2023-08-01 | Vyv, Inc. | Single diode disinfection |
| US10753575B2 (en) | 2015-07-30 | 2020-08-25 | Vital Vio, Inc. | Single diode disinfection |
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| US11426474B2 (en) | 2017-12-01 | 2022-08-30 | Vyv, Inc. | Devices using flexible light emitting layer for creating disinfecting illuminated surface, and related methods |
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| US10806812B2 (en) | 2018-03-29 | 2020-10-20 | Vital Vio, Inc. | Multiple light emitter for inactivating microorganisms |
| US11395858B2 (en) | 2018-03-29 | 2022-07-26 | Vyv, Inc. | Multiple light emitter for inactivating microorganisms |
| WO2019191435A1 (en) * | 2018-03-29 | 2019-10-03 | Vital Vio, Inc. | Multiple light emitter for inactivating microorganisms |
| TWI801545B (en) * | 2018-03-29 | 2023-05-11 | 美商維它里歐公司 | Multiple light emitter for inactivating microorganisms |
| CN108954201A (en) * | 2018-09-12 | 2018-12-07 | Tcl华瑞照明科技（惠州）有限公司 | LED lamp bead and LED illumination lamp |
| CN111326506A (en) * | 2018-12-17 | 2020-06-23 | 深圳市斯迈得半导体有限公司 | Purple light LED light source and process thereof |
| US11639897B2 (en) | 2019-03-29 | 2023-05-02 | Vyv, Inc. | Contamination load sensing device |
| US11541135B2 (en) | 2019-06-28 | 2023-01-03 | Vyv, Inc. | Multiple band visible light disinfection |
| US11369704B2 (en) | 2019-08-15 | 2022-06-28 | Vyv, Inc. | Devices configured to disinfect interiors |
| US11717583B2 (en) | 2019-08-15 | 2023-08-08 | Vyv, Inc. | Devices configured to disinfect interiors |
| US11878084B2 (en) | 2019-09-20 | 2024-01-23 | Vyv, Inc. | Disinfecting light emitting subcomponent |
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Application publication date: 20160203 |
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