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
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- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 230000001954 sterilising effect Effects 0.000 title abstract description 8
- 238000004659 sterilization and disinfection Methods 0.000 title abstract description 7
- 230000000694 effects Effects 0.000 title description 3
- 239000003292 glue Substances 0.000 claims abstract description 32
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000004382 potting Methods 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 230000006750 UV protection Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000010931 gold Substances 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 241001025261 Neoraja caerulea Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002070 germicidal effect Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
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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
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- 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
- H10H20/852—Encapsulations
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- 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
- H10H20/852—Encapsulations
- H10H20/854—Encapsulations characterised by their material, e.g. epoxy or silicone resins
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- 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
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
-
- 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
- H10H20/858—Means for heat extraction or cooling
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Abstract
本发明公开了一种具有杀菌功效的白光LED光源，包括带有热沉的PCT支架、UV晶片、蓝光晶片、金线和荧光胶；其中，所述UV晶片和蓝光晶片均固定在PCT支架内，UV晶片和蓝光晶片之间通过金线焊接导通，荧光胶涂敷于PCT支架内且包覆在UV晶片和蓝光晶片上。本发明还公开了一种具有杀菌功效的白光LED光源的制作方法，采用的带有热沉的PCT支架，热成保证了器件足够的散热性能，PCT材质相对普通PPA材质抗UV性能更好，提高器件的抗UV性能；采用的抗UV固晶胶和抗UV灌封硅胶，提高器件的抗UV性能；本发明在器件内UV光包含在白光中，出光均匀，同时具有杀菌和照明功能，无需进行光源配对，使用便捷，同时具有可靠稳定的性能。
The invention discloses a white light LED light source with bactericidal effect, comprising a PCT support with a heat sink, a UV chip, a blue light chip, gold wires and fluorescent glue; wherein, the UV chip and the blue light chip are fixed in the PCT support , The UV chip and the blue chip are connected through gold wire welding, and the fluorescent glue is coated in the PCT bracket and covered on the UV chip and the blue chip. The invention also discloses a method for making a white LED light source with bactericidal effect. The PCT bracket with a heat sink is adopted, and the thermal process ensures sufficient heat dissipation performance of the device. The PCT material has better UV resistance than ordinary PPA material. Improve the anti-UV performance of the device; the anti-UV crystal-bonding glue and anti-UV potting silica gel used to improve the anti-UV performance of the device; the invention contains UV light in the device in white light, and the light is uniform, and it has the functions of sterilization and lighting at the same time. No need for light source pairing, easy to use, and reliable and stable performance.
Description
技术领域 technical field
本发明涉及光电技术领域，特别是一种具有杀菌功效的白光LED光源及其制作方法。 The invention relates to the field of optoelectronic technology, in particular to a white LED light source with bactericidal effect and a manufacturing method thereof.
背景技术 Background technique
随着社会不断发展，科技水平的不断提高，人们在日常生活中越来越注重产品的节能和使用便捷性能，LED杀菌照明产品被广泛运用。目前，市场上的LED杀菌照明产品，产品内采用UVLED紫外线光源和白光LED光源两种光源进行混光的设计方法，电路控制按照两种方式：一种是两种光源分开进行控制，一种是两种光源串并组合后再进行控制。采用两种光源的杀菌照明产品，需要对两种光源进行配对混光，除生产制造不便外，产品还容易产生色斑、造成照射不均匀，色温偏移不在常规要求色温内等问题。 With the continuous development of society and the continuous improvement of the level of science and technology, people pay more and more attention to the energy saving and convenient use of products in daily life, and LED sterilization lighting products are widely used. At present, the LED germicidal lighting products on the market adopt the design method of mixing light with UVLED ultraviolet light source and white light LED light source. The circuit control follows two methods: one is to control the two light sources separately, and the other is to The two light sources are combined in series and then controlled. Sterilizing lighting products using two light sources need to pair and mix the two light sources. In addition to the inconvenience of manufacturing, the product is also prone to color spots, uneven illumination, and color temperature shifts that are not within the conventional color temperature requirements.
而目前市面上的普通LED照明光源，抗UV紫外线能力较弱，在紫外光的长期照射下，LED白光光源易产生黄化，胶裂甚至死灯的现象。因此，采用两种光源设计的LED杀菌照明产品，白光LED光源在紫光长时间照射下，白光LED易失效，造成产品性能不稳定。 However, ordinary LED lighting sources currently on the market have weak UV resistance. Under long-term exposure to ultraviolet light, LED white light sources are prone to yellowing, glue cracking and even dead lights. Therefore, for LED sterilization lighting products designed with two light sources, the white LED light source is prone to failure when the white LED light source is exposed to purple light for a long time, resulting in unstable product performance.
发明内容 Contents of the invention
本发明所要解决的技术问题是克服现有技术的不足而提供一种具有杀菌功效的白光LED光源及其制作方法，本发明的LED光源使用方便，无需进行配对混光，不易产生色斑、色温偏移等现象，同时具有可靠稳定的性能。 The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a white light LED light source with bactericidal effect and its manufacturing method. Offset and other phenomena, while having reliable and stable performance.
本发明为解决上述技术问题采用以下技术方案： The present invention adopts the following technical solutions for solving the problems of the technologies described above:
根据本发明提出的一种具有杀菌功效的白光LED光源，包括带有热沉的PCT支架、UV晶片、蓝光晶片、金线和荧光胶；其中，所述UV晶片和蓝光晶片均固定在PCT支架内，UV晶片和蓝光晶片之间通过金线焊接导通，荧光胶涂敷于PCT支架内且包覆在UV晶片和蓝光晶片上。 A white light LED light source with bactericidal effect proposed according to the present invention comprises a PCT support with a heat sink, a UV chip, a blue chip, gold wire and fluorescent glue; wherein, the UV chip and the blue chip are fixed on the PCT support Inside, the UV chip and the blue chip are connected through gold wire welding, and the fluorescent glue is coated in the PCT bracket and covered on the UV chip and the blue chip.
作为本发明所述的一种具有杀菌功效的白光LED光源进一步优化方案，所述荧光胶是由灌封硅胶和荧光粉混合而成。 As a further optimization scheme of a white LED light source with bactericidal effect according to the present invention, the fluorescent glue is made by mixing potting silica gel and fluorescent powder.
作为本发明所述的一种具有杀菌功效的白光LED光源进一步优化方案，所述灌封硅胶为抗UV性能的灌封硅胶。 As a further optimization scheme of a white light LED light source with bactericidal effect described in the present invention, the potting silica gel is UV-resistant potting silica gel.
作为本发明所述的一种具有杀菌功效的白光LED光源进一步优化方案，所述UV晶片的发射波段为390-410nm，所述蓝光晶片的发射波段为450-460nm。 As a further optimization scheme of a white light LED light source with bactericidal effect according to the present invention, the emission band of the UV chip is 390-410 nm, and the emission band of the blue light chip is 450-460 nm.
作为本发明所述的一种具有杀菌功效的白光LED光源进一步优化方案，所述PCT支架的底部还设置有散热片。 As a further optimization scheme of the white LED light source with bactericidal effect described in the present invention, the bottom of the PCT bracket is also provided with a heat sink.
根据本发明提出的一种具有杀菌功效的白光LED光源的制作方法，包括以下步骤： A method for manufacturing a white LED light source with bactericidal efficacy according to the present invention, comprising the following steps:
步骤一、提供带热沉的PCT支架； Step 1, providing a PCT bracket with a heat sink;
步骤二、采用固晶胶将UV晶片和蓝光晶片固定在PCT支架内； Step 2: Fix the UV chip and the blue light chip in the PCT bracket with crystal-bonding glue;
步骤三、采用金线将UV晶片和蓝光晶片进行焊接导通； Step 3, use gold wire to solder the UV chip and the blue light chip;
步骤四、将荧光胶涂敷于PCT支架内且包覆在UV晶片和蓝光晶片上，烘烤固化成形。 Step 4: Apply the fluorescent glue in the PCT frame and wrap it on the UV chip and the blue chip, bake and solidify to shape.
作为本发明所述的一种具有杀菌功效的白光LED光源的制作方法进一步优化方案，所述固晶胶为抗UV性能固晶胶。 As a further optimization scheme of the manufacturing method of a white LED light source with bactericidal effect according to the present invention, the crystal-bonding glue is an anti-UV performance crystal-bonding glue.
本发明采用以上技术方案与现有技术相比，具有以下技术效果： Compared with the prior art, the present invention adopts the above technical scheme and has the following technical effects:
（1）采用的带有热沉的PCT支架，热成保证了器件足够的散热性能，PCT材质相对普通PPA材质抗UV性能更好，提高器件的抗UV性能； (1) The PCT bracket with a heat sink is used, and the thermal process ensures sufficient heat dissipation performance of the device. The PCT material has better UV resistance than ordinary PPA material, and improves the UV resistance of the device;
（2）采用的抗UV固晶胶和抗UV灌封硅胶，提高器件的抗UV性能； (2) Anti-UV crystal-bonding glue and anti-UV potting silica gel are used to improve the anti-UV performance of the device;
（3）本发明在器件内UV光包含在白光中，出光均匀，同时具有杀菌和照明功能，无需进行光源配对，使用便捷，同时具有可靠稳定的性能。 (3) In the present invention, the UV light is included in the white light in the device, and the light is uniform, and has the functions of sterilization and lighting at the same time, without the need for light source matching, convenient to use, and has reliable and stable performance.
附图说明 Description of drawings
图1是本发明荧光胶混合后填充图俯视图。 Fig. 1 is a top view of the filling diagram after the fluorescent glue of the present invention is mixed.
图2是本发明荧光胶混合后填充图切面图。 Fig. 2 is a sectional view of the filling diagram after mixing the fluorescent glue of the present invention.
图中的附图标记解释为：1-荧光胶，2-金线，3-UV晶片，4-蓝光晶片，5-支架。 The reference signs in the figure are explained as: 1-fluorescent glue, 2-gold wire, 3-UV chip, 4-blue light chip, 5-support.
具体实施方式 detailed description
下面结合附图对本发明的技术方案做进一步的详细说明： Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
如图1所示是本发明荧光胶混合后填充图俯视图，图2是本发明荧光胶混合后填充图切面图。一种具有杀菌功效的白光LED光源，包括带有热沉的PCT支架5、UV晶片3、蓝光晶片4、金线2和荧光胶1；其中，所述UV晶片和蓝光晶片均固定在PCT支架内，UV晶片和蓝光晶片之间通过金线焊接导通，荧光胶涂敷于PCT支架内且包覆在UV晶片和蓝光晶片上。 As shown in Figure 1, it is a top view of the filling figure after mixing the fluorescent glue of the present invention, and Figure 2 is a cut-away view of the filling figure after mixing the fluorescent glue of the present invention. A white light LED light source with bactericidal effect, comprising PCT support 5 with heat sink, UV chip 3, blue light chip 4, gold wire 2 and fluorescent glue 1; wherein, the UV chip and blue light chip are fixed on the PCT support Inside, the UV chip and the blue chip are connected through gold wire welding, and the fluorescent glue is coated in the PCT bracket and covered on the UV chip and the blue chip.
所述荧光胶是由灌封硅胶和荧光粉按比例均匀混合成。 The fluorescent glue is prepared by uniformly mixing potting silica gel and fluorescent powder in proportion.
所述灌封硅胶为抗UV性能的灌封硅胶。 The potting silica gel is UV-resistant potting silica gel.
所述UV晶片的发射波段为390-410nm，所述蓝光晶片的发射波段为450-460nm。 The emission band of the UV chip is 390-410nm, and the emission band of the blue chip is 450-460nm.
支架底部碗杯内设置有较大的固晶区域，所述UV晶片和蓝光晶片通过固晶胶分别固定在固晶区域内，UV晶片和蓝光晶片相互导通。 A large crystal-bonding area is arranged in the cup at the bottom of the bracket, and the UV chip and the blue-ray chip are respectively fixed in the crystal-bonding area by the crystal-bonding glue, and the UV chip and the blue-ray chip are connected to each other.
所述PCT支架的底部还设置有散热片。 The bottom of the PCT bracket is also provided with cooling fins.
一种具有杀菌功效的白光LED光源的制作方法，包括以下步骤： A method for manufacturing a white LED light source with bactericidal effect, comprising the following steps:
步骤一、提供带热沉的PCT支架； Step 1, providing a PCT bracket with a heat sink;
步骤二、采用固晶胶将UV晶片和蓝光晶片固定在PCT支架内； Step 2: Fix the UV chip and the blue light chip in the PCT bracket with crystal-bonding glue;
步骤三、采用金线将UV晶片和蓝光晶片进行焊接导通； Step 3, use gold wire to solder the UV chip and the blue light chip;
步骤四、将荧光胶涂敷于PCT支架内且包覆在UV晶片和蓝光晶片上，烘烤固化成形。 Step 4: Apply the fluorescent glue in the PCT frame and wrap it on the UV chip and the blue chip, bake and solidify to shape.
所述固晶胶为抗UV性能固晶胶。 The crystal-bonding glue is an anti-UV performance crystal-bonding glue.
本发明采用390-410nm波段UV晶片，发出的UV光具有表面除菌的功效，采用450-460nm波段的蓝光晶片，激发荧光粉后产生混合白光，同时有杀菌和照明功能，是一种特殊照明灯具中的杀菌照明产品的良好光源。 The invention adopts 390-410nm wave band UV chip, and the emitted UV light has the effect of surface sterilization, and adopts 450-460nm wave band blue light chip to generate mixed white light after exciting phosphor powder, which has both sterilization and lighting functions, and is a special lighting Good light source for germicidal lighting products in luminaires.
除上述实施例外，本发明还可以有其他实施方式，凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围内。 In addition to the above-mentioned embodiments, the present invention can also have other implementations, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.
Claims (7)
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Cited By (13)
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| 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 |
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| US10753575B2 (en) | 2015-07-30 | 2020-08-25 | Vital Vio, Inc. | Single diode disinfection |
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| US11639897B2 (en) | 2019-03-29 | 2023-05-02 | Vyv, Inc. | Contamination load sensing device |
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| US12194168B2 (en) | 2018-12-19 | 2025-01-14 | Vyv, Inc. | Lighting and dissipation device |
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