Explain the special use of LED different bands
1. UVLED (uv LED) :
(1) low uv: 250nm-265 nm- 285 nm- 365 nm, now capable of being 250nm- 410 nm.
These are INGaN/GaN material carbides.
These ultraviolet can kill all bacteria in the water, which can kill up to 98%, especially 285 nm.
(2) ultraviolet light: 365 nm -370 nm is international general, uv light is lethal, and general doctor surgery is required to ensure that no bacteria are taken.
365nm-390nm is usually used as a dental hygienist. It is characterized by strong function and short time.
At the same time, the international use of 365nm-370nm is used to identify the authenticity of banknotes.
(3) high uv light: 405 nm -410 nm, with the largest chip not more than 2 inches (also known as ultraviolet chip).
From 345-410 nm, plant seeds can be grown.
Also use 405nm-410nm for the identification of RMB banknotes.
VIS LED (visible LED) :
(1) blue light: 430 nm -450 nm -470 nm is applied to the blu-ray band, its main component is INGaN/GaN, but its low content, low capacity and not durable, mainly used in the blue band.
(2) green light: 505 nm -520 nm -540 nm is mainly used in green light band, its main components are: INGaN/GaN.
The main component of 556 is GaP/ALInGaP, which is the most clearly seen pure green in international spectroscopy.
(3) yellow light: 570 nm -590 nm bands are mainly used for amber (yellow)
The range of 600 nm -620 nm is mainly used in orange
(4) red light: 630 nm -640 nm band is mainly used in red, and 660 nm -730 nm is long, mainly used in dark red.
Infra LED (infrared LED) :
From a medical standpoint, the use of 660 nm -730 nm -780 nm will promote the growth of plants.
A medical product of 730nm-760nm can check if the patient is a vegetable
760 nm-790nm-805nm is used in medicine to detect fat content.
850 nm -880 nm is used to detect engine speed.
900 nm is mainly used as a test instrument to detect blood, blood glucose, etc
The 940 nm is mainly used as a remote control for position locking.
The detection instrument of 1000nm -1300 nm -1500 nm -1550 nm is used to detect volatile gases such as alcohol/fiber/carbon monoxide/carbon dioxide.
Other special USES for special bands:
(1) 250nm -300 nm (0.1 MW), 350 nm -360 nm (1MW), 380 nm -400 nm (5MW, 20MA).
The products from 320 nm to 400 nm band photoluminescence catalyst, can effectively remove formaldehyde, benzene, xylene in the air in the office and daily office viruses, bacteria, peculiar smell in the air, prevent virus infection, reduce the spread of disease.
It also boosts your metabolism, strengthens your immune system, and makes us energetic and healthy.
(2) 570-580 nm wavelength, which causes the retina of the mosquito to automatically escape.
(3) 320nm~380nm ultraviolet ray, can promote skin metabolism, the skin growth is strong, the skin is thickened, can also treat the cow and moss (psoriasis), vitiligo, etc.;
Used for lighting can make the fluorescent effect of the illuminator strong;
It can also be used for industrial radiation detection, chemical phase and check notes.
(4) 275nm~320nm uv;
Tanning the physiological function of human body is stronger, he can cause skin photochemical process and points of light, make the skin to produce many active substances, the internal organs of human body, spirit, system, endocrine system, circulation system can play a good role;
Human exposure after sunbathing cause skin redness, produce the effect of erythema, on the other hand make the skin within 7 - dehydrogenation ergot cholesterol into vitamin D3 or D2, promote the body's normal calcium phosphorus cycle, to indoor workers, pregnant women and young children are especially important.
(5) using the insects' vision to have the greatest sensitivity in the ultraviolet region near 360nm;
To be able to lure the insects together and kill them
(6) special wavelength of 315 nm, uv B band to animal physiological role of the stronger, the animal internal organs, nervous system, endocrine system, the normal work of the circulatory system can play a positive role, promote the synthesis of protein and vitamin D3.
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