CN106025011A - LED light source blue-ray reducing method, LED blue-ray reducing light source device and installation method thereof - Google Patents
LED light source blue-ray reducing method, LED blue-ray reducing light source device and installation method thereof Download PDFInfo
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- 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
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
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- 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
- H01L33/005—Processes
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- 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
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- 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
- H01L33/58—Optical field-shaping elements
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Abstract
The invention discloses an LED light source blue-ray reducing method, an LED blue-ray reducing light source device and an installation method thereof. LEDs of different color temperatures are arranged and packed on a substrate according to color temperature difference, and a refraction plate with a reflection projection is arranged on the positive side of the LEDs. The spectrum of light emitted by an LED mixed light source assembly is changed to form an LED blue-ray reducing light source which effectively reduces the value of high-energy blue-ray radiated by LEDs of greater than 1ut to 0.1-0.15ut. Low blue-ray light energy is retained, and blue-ray light is maintained, which may reset circadian rhythm in a living organism, and affect hormone secrete, heart rate, alertness, sleep quality, body temperature and gene expression of a human body. The LED light source blue-ray reducing method, the LED blue-ray reducing light source device and the installation method thereof are applicable to various LED lighting and display devices.
Description
Technical field
The present invention relates to LED light source technology, particularly to one, LED light source subtracts blue light method, LED subtracts blue light source device and installation method thereof.
Background technology
Blue-ray LED technology is just to be developed in 1998, and in November, 2014 obtains Nobel prize for physics.GaN chip and yttrium-aluminium-garnet (YAG) are packaged together and make by blue-ray LED.GaN chip blue light-emitting, wavelength is equal to 465nm, and wavelength bandwidth is about 30nm.LED blue light source, gives off the visible ray of wavelength 400-500 nano high-energy shortwave blue light, is widely used in mobile phone, computer display screen, desk lamp, street lamp and large-scale advertisement screen.Proving through domestic and international top pathology expert's result of study and clinical case, this high energy shortwave blue light causes the serious harm to the person.
The energy of blue photons is high, so can excite fluorescence with it.The blue light typically produced with blue-ray LED beat produce on fluorescent material gold-tinted (similar with the principle of daylight lamp, the radiance of daylight lamp be ultraviolet beat issue on the fluorescent material on fluorescent tube inwall).After gold-tinted is stimulated by blue light out, they penetrate a kind of wavelength together from LED is 400-500 nanometer (blue light) visible ray.Just because of this principle, so a lot of producer is in order to improve the brightness of white light LEDs, directly improves the intensity of blue light, but this will result in " blue light excess " and injures healthy and life-threatening.
Owing to blue light is a kind of penetration power very high-energy, but the visible ray that wavelength is between 380-485 nanometer, it contributes to the regulation effect in whole evolutionary history for biological clock.Blue light light acts on human body by two approach: constitutional tractus opticus is responsible for regulating visually-perceptible and vision response.Retinohypothalamic tract is then responsible for regulation circadian rhythm, endocrine and neurobehavioral function, it is seen that the indispensable blue light of existence of the mankind.Owing to blue light is compared with other visible rays, its usefulness is maximum.The light of wavelength about 385--480nm is stimulated most sensitive by the retinohypothalamic tract of the mankind, and blue light wavelength is about between 425-480nm.Therefore, when blue light is directed through cornea eye and crystalline lens, can go directly macula retinae district, can accelerate the oxidation of macular area retinal cells, cause the photochemistry of eyes to damage；And blue light is easier to penetrate the skin of human body surface, directly destroys nucleic acid and protein chemistry chain, kills leukocyte, seriously damage human immune system, have causes gene DNA variation and canceration, blue light excess then serious harm health threat life.Therefore, blue light is a kind of harmful illumination that the infringement mankind are healthy for a long time.Especially more serious to young and child injury.When the LED radiation specified according to international standard " IEC62471 " goes out high energy blue light value more than 0.4ut, it is hazardous to the human body.In order to prevent the blue light harm to human body, current people use and paste the protecting film of anti-blue light radioprotective, use anti-blue light glasses on computer display screen, or use different light source color temperatures to improve on desk lamp.But these measures can not effectively reduce the wavelength of blue light.
Summary of the invention
It is an object of the invention to provide one and weaken Blue-Ray technology, prevent high energy shortwave blue light energy from overflowing the health hazard that human body causes photobiochemistry, by weakening blue light harm energy, protection human body is healthy, supports LED industry sustainable and healthy development.
The present invention realizes above-mentioned purpose by the following technical solutions.LED light source subtracts blue light method, and its step includes:
1) circuit substrate, the deflecting plate of printing opacity and the LED light emitting diode of different-colour are prepared；
2) the LED light emitting diode of different-colour is structured the formation array packages in substrate by colour temperature difference；
3) deflecting plate of reflective convex body it is provided with in the substrate front side equipped with LED light emitting diode.
A kind of by LED light source subtract blue light method make LED subtract blue light source device, including reflection box and deflecting plate, the bottom surface of described reflection box is provided with substrate, and substrate is provided with light source body；The one side of described deflecting plate is provided with convex body, and a side of described convex body is hypotenuse, and described deflecting plate is provided with the one of convex body and faces light source body and be covered in outside reflection box.
Preferably, described light source body is the LED light emitting diode of less than 18 kinds colour temperatures.
Preferably, the colour temperature of described LED light emitting diode is respectively 2100K, 2160K, 2140K, 2240K, 2256K, 2280K, 2312K, 2355K, 2700K, 2960K, 3100K, 3310K, 3610K, 3900K, 4100K, 4320K and 4482K.
Preferably, the hypotenuse of described convex body is 10 ~ 80 ° with the angle of described deflecting plate plane.
A kind of LED subtracts the installation method of blue light source device, and the LED light emitting diode of 18 kinds of colour temperatures is installed in arrangement of structuring the formation in order on the bottom surface substrate of reflection box, and the frame mouth of reflection box installs deflecting plate, and makes deflecting plate be provided with the one of convex body facing to light source body；
The LED light emitting diode of described 18 kinds of colour temperatures is structured the formation in order and is arranged as by the order arrangement successively of colour temperature size, by the arrangement of colour temperature size reverse order or by the arrangement of colour temperature size interleaved order；
The LED light emitting diode of described 18 kinds of colour temperatures structure the formation in order the form of arrangement be order of longitudinally structuring the formation, order of laterally structuring the formation, diagonal structure the formation order or circulation is structured the formation order.
A kind of LED light source subtracts blue light method, also includes that the method is applied to LED illumination or LED display device.
The light that the light source body of the present invention is produced by the LED light emitting diode of 18 kinds of different-colours, different angles refracting sphere is formed with reflection box and deflecting plate, it is mutually mixed, refraction, absorb, change the LED irradiant spectrum of mixing light source assembly, define LED and subtract blue light source, can effectively be gone out by LED LED radiation is reduced to 0.1 ~ 0.15ut more than 1ut high energy blue light value, both low blue light energy had been maintained, maintain again blue light light and can not only reset the circadian rhythm in organism, simultaneously, human hormone's secretion can also be had influence on, heart rate, Vigilance, sleep quality, body temperature and gene expression.Can be applicable to all kinds of LED illumination and display device.
Accompanying drawing explanation
Fig. 1 is the side view that LED of the present invention subtracts blue light source assembly section；
Fig. 2 is enlarged diagram at A in Fig. 1；
Fig. 3 is the cloth system of battle formations of luminous body in the present invention；
Fig. 4 is existing LED eye protection table lamp blue spectrum measured drawing；
Fig. 5 is the measured light linear light spectrogram of the present invention.
In figure: 1-reflects chamber, 11-substrate, 2-light source body, 3-deflecting plate, 31-convex body.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.Seeing Fig. 1 to Fig. 3, LED light source subtracts blue light method, and its step includes:
1) circuit substrate 11, the deflecting plate 3 of printing opacity and the LED light emitting diode of different-colour are prepared；
2) the LED light emitting diode of different-colour is structured the formation array packages in substrate 11 by colour temperature difference；
3) deflecting plate 3 of reflective convex body 31 it is provided with in substrate 11 front equipped with LED light emitting diode.
A kind of by LED light source subtract blue light method make LED subtract blue light source device, including reflection box 1 and deflecting plate 3, the bottom surface of described reflection box 1 is provided with substrate 11, substrate 11 is provided with light source body 2；The one side of described deflecting plate 3 is provided with convex body 31, and a side of described convex body 31 is hypotenuse, and described deflecting plate 3 is provided with the one of convex body 31 and faces light source body 2 and be covered in outside reflection box 1.Described light source body 2 is the LED light emitting diode of less than 18 kinds colour temperatures.The colour temperature of described LED light emitting diode is respectively 2100K, 2160K, 2140K, 2240K, 2256K, 2280K, 2312K, 2355K, 2700K, 2960K, 3100K, 3310K, 3610K, 3900K, 4100K, 4320K and 4482K.The hypotenuse of described convex body 31 is 10 ~ 80 ° with the angle [alpha] of described deflecting plate 3 plane.
A kind of LED subtracts the installation method of blue light source device, the LED light emitting diode of 18 kinds of colour temperatures is installed in arrangement of structuring the formation in order on the bottom surface substrate 11 of reflection box 1, the frame mouth of reflection box 1 installs deflecting plate 3, and makes deflecting plate 3 be provided with the one of convex body 31 facing to light source body 2；The LED light emitting diode of described 18 kinds of colour temperatures is structured the formation in order and is arranged as by the order arrangement successively of colour temperature size, by the arrangement of colour temperature size reverse order or by the arrangement of colour temperature size interleaved order；The LED light emitting diode of described 18 kinds of colour temperatures structure the formation in order the form of arrangement be order of longitudinally structuring the formation, order of laterally structuring the formation, diagonal structure the formation order or circulation is structured the formation order.
A kind of LED light source subtracts blue light method and also includes that the method is applied to LED light source illumination or LED display device.Such as LED desk lamp, LED street lamp, LED car lamp or LED display etc..
Embodiment 1 :It is exemplified below a better embodiment of the present invention.In Fig. 3,18 kinds that light source body 2 is 2100K 4482K on substrate 11 are longitudinally structured the formation to arrange by colour temperature size the most tactic LED light emitting diode and are installed, and produce the light of different-colour.The hypotenuse of convex body 31 is 15 ° with the angle [alpha] of deflecting plate 3 plane of printing opacity.The deflecting plate 3 of light and reflection box 1 and printing opacity that LED light emitting diode produces different-colour forms different angles refracting sphere and is mutually mixed, reflects, absorbs.Change the LED irradiant spectrum of mixing light source assembly.Then skew changes high energy shortwave blue light wavelength 446nm energy more than 1ut peak value.Being displaced to wavelength 598nm blue light energy is 0.15ut blue light lower energy content.
According to existing common LED, by spectrogrph measured result (see figure 4).Prove that LED desk lamp high energy shortwave blue light (peak wavelength is 446nm) energy is more than 1ut." IEC62471 " International Standard promulgated according to International Electrotechnical Commission: 0.4ut blue light energy limit value is inanimate object safety hazard grade less than 0.4ut.
The present invention penetrates measured light linear light spectrogram (see figure 5) through light source assembly, it was demonstrated that LED desk lamp of the present invention injection blue light peak wavelength λ p is 598nm, and blue light energy is reduced to 0.15ut." IEC62471 " international norm: below the 0.4ut promulgated according to International Electrotechnical Commission is that safety criterion value is the lowest.Reach non-hazardous grade in four grades of " IEC62471 " International Standard that International Electrotechnical Commission promulgates.
The present invention, by technology such as blue light absorption, reflection, frequency shift (FS)s, changes the LED irradiant spectrum of mixing light source, and skew changes high energy shortwave blue light wavelength 446nm energy more than 1ut peak value.Making the LED irradiant spectrum of mixing light source be displaced to wavelength 598nm blue light energy is 0.15ut blue light lower energy content.
According to International Electrotechnical Commission IEC " 62741 standard ", the reflective optical security of LED product is tested, more than 1ut high energy short blue light system's height health risk and life-threatening blue light energy limit value grade.According to " the detection certification of SGS international bio safety criterion " specification: high energy shortwave blue light safety limit is safety limit at below 0.4ut, does not constitute the harm healthy to people.Blue light energy of the present invention accomplishes 0.15ut, far below 0.4ut non-hazardous safety value.
Embodiment 2 :It is exemplified below another better embodiment of the present invention.On substrate 11 18 kinds that light source body 2 is 2100K 4482K are laterally structured the formation to arrange by the LED light emitting diode that colour temperature size reverse order arranges and are installed, and produce the light of different-colour.The hypotenuse of convex body 31 is 45 ° with the angle [alpha] of deflecting plate 3 plane.Other are same as in Example 1.
Embodiment 3 :Another better embodiment of the present invention.On substrate 11 18 kinds that light source body 2 is 2100K 4482K are structured the formation to arrange by colour temperature size the most tactic LED light emitting diode diagonal and are installed, and produce the light of different-colour.The hypotenuse of convex body 31 is 60 ° with the angle [alpha] of deflecting plate 3 plane.Other are same as in Example 1.
Embodiment 4 :Another better embodiment of the present invention.On substrate 11 18 kinds that light source body 2 is 2100K 4482K are structured the formation to arrange by the circulation of colour temperature size the most tactic LED light emitting diode and are installed, and produce the light of different-colour.The hypotenuse of convex body 31 is 65 ° with the angle [alpha] of deflecting plate 3 plane.Other are same as in Example 1.
Claims (7)
1.LED light source subtracts blue light method, it is characterised in that its step includes:
1) circuit substrate, the deflecting plate of printing opacity and the LED light emitting diode of different-colour are prepared；
2) the LED light emitting diode of different-colour is structured the formation array packages in substrate by colour temperature difference；
3) deflecting plate of reflective convex body it is provided with in the substrate front side equipped with LED light emitting diode.
2. the LED that the method as described in claim 1 makes subtracts a blue light source device, including reflection box and deflecting plate, it is characterised in that the bottom surface of described reflection box is provided with substrate, and substrate is provided with light source body；The one side of described deflecting plate is provided with convex body, and a side of described convex body is hypotenuse, and described deflecting plate is provided with the one of convex body and faces light source body and be covered in outside reflection box.
LED the most according to claim 2 subtracts blue light source device, it is characterised in that described light source body is the LED light emitting diode of less than 18 kinds colour temperatures.
LED the most according to claim 3 subtracts blue light source device, it is characterized in that, the colour temperature of described LED light emitting diode is respectively 2100K, 2160K, 2140K, 2240K, 2256K, 2280K, 2312K, 2355K, 2700K, 2960K, 3100K, 3310K, 3610K, 3900K, 4100K, 4320K and 4482K.
LED the most according to claim 1 subtracts blue light source device, it is characterised in that the hypotenuse of described convex body is 10 ~ 80 ° with the angle of described deflecting plate plane.
6. the LED as described in any one in claim 2 to 5 subtracts the installation method of blue light source device, it is characterized in that, the LED light emitting diode of 18 kinds of colour temperatures is installed in arrangement of structuring the formation in order on the bottom surface substrate of reflection box, the frame mouth of reflection box installs deflecting plate, and makes deflecting plate be provided with the one of convex body facing to light source body；
The LED light emitting diode of described 18 kinds of colour temperatures is structured the formation in order and is arranged as by the order arrangement successively of colour temperature size, by the arrangement of colour temperature size reverse order or by the arrangement of colour temperature size interleaved order；
The LED light emitting diode of described 18 kinds of colour temperatures structure the formation in order the form of arrangement be order of longitudinally structuring the formation, order of laterally structuring the formation, diagonal structure the formation order or circulation is structured the formation order.
7. a LED light source as claimed in claim 1 subtracts blue light method, it is characterised in that also include that the method is applied to LED illumination or LED display device.
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| CN201610569398.XA CN106025011A (en) | 2016-07-19 | 2016-07-19 | LED light source blue-ray reducing method, LED blue-ray reducing light source device and installation method thereof |
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| CN201610569398.XA CN106025011A (en) | 2016-07-19 | 2016-07-19 | LED light source blue-ray reducing method, LED blue-ray reducing light source device and installation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110542058A (en) * | 2019-07-30 | 2019-12-06 | 苏州海图星辰光源科技有限公司 | LED detection light source with adjustable low blue light |
| CN112088033A (en) * | 2018-01-11 | 2020-12-15 | 生态照明公司 | Display lighting system with circadian rhythm effect |
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Address after: 266 No. 330052 Jiangxi city of Nanchang Province, Nanchang County Blue Road Economic Development Zone Applicant after: Jiangxi low carbon Polytron Technologies Inc Address before: 330026 Avenue in Jiangxi province Nanchang Hongdu B5 LONCIN Plaza No. 87 Building 1 unit 1901 Applicant before: Jiangxi low carbon Polytron Technologies Inc |
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| CB03 | Change of inventor or designer information | ||
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Inventor after: Liu Fangdong Inventor after: Yang Dajun Inventor after: Liu Genru Inventor after: Tao Dongfeng Inventor after: Wu Linan Inventor after: Ye Junchao Inventor before: Liu Fangdong Inventor before: Yang Dajun Inventor before: Liu Genru Inventor before: Tao Dongfeng Inventor before: Zou Zhaolong Inventor before: Wang Qianru |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161012 |