LED light appeared in 1960s of 20th century and nowadays it has been used popularly in many fields of social life.
LED light with various advantages : long life time, super-bright, electricity-saving, etc brings huge benefits for mankind.
For transportation field, LED technology proved its outstanding benefit by energy-saving ability, aesthetics, ease of control and environmental protection.
In the US, if 50% of the current light is replaced with LED lighting, the consumption of electricity will be reduced by 41 GW.
And Taiwan replaced more than 690,000 traffic lights in a project in order to save enough power to supply over 60,000 households. According to Taiwan’s Bureau of Energy: “LED traffic lights is not only energy-saving but also safer because they are brighter and more visible.”
Thuan Phuoc Bridge – Da Nang becomes more beautiful with colour LED light.
Although the initial investment of LED light is higher than other kinds, the amount of money from energy-saving is much more higher than the expense. Therefore, it is planed to use in numerous places all over the world.
Chili’s restaurant chain (consisting of 827 restaurants) announced to use 125,000 LED bulbs, which saves approximately $ 3.7 million per year and become the largest using LED light place in the United States so far.
Skyscrapers Torre Agbar in Glòries Catalanes square, Barcelona, Spain has night lighting system including 4,500 automatically controlled LED lights that has more than 40 colors in many different shapes.
Thanks to LED lighting, the building becomes sparkling in the evening.
LEDs are used to make furniture had just mysterious beauty, and modern with furniture such as desks, chairs, beds, bath … multicolored light from the LED will be designed in accordance with the mind status, the feeling of the room owners and uses.
LED lighting in home decoration.
Skin rejuvenation: LED lighting when is used with an appropriate wavelength of yellow light ( 590 nm), with low intensity creates a flash of light according to the pulse sequence, is programmed specifically to stimulates the skin’s natural rejuvenation, according to optical modulation technology to modulate increases or decreases activity of living cells. When projected into the skin, the pre-programmed LED will impact the body stimulates collagen and elastin proliferation below.
Jaundice treatment: Infant jaundice – one of the common diseases in newborn baby. LED lights provide enough necessary light to reduce orange pigmentation in patient’s blood. This disease can lead to serious brain damage and even death. This therapy is one of the simplest and safest measures and to treat this disease.
Acnes treatment: LED light with suitable wavelengths can emit low-intensity, is programmed specifically to affect skin, stimulate collagen and elastic, improve the process of anti-dermatitis, skin healing and reduce oily skin.
Skin rejuvenation
Phát hiện ung thư nhờ đèn LED: Nhóm nghiên cứu từ Hàn Quốc, dẫn đầu là giáo sư Keon Jae Lee của Bộ Khoa học Vật liệu và Kỹ thuật (KAIST) đã sử dụng đèn LED gallium nitride (GaN) tương hợp sinh học để phát hiện ung thư tiền liệt tuyến. “Chiếc đèn LED tích hợp sinh học đại diện cho một công nghệ mới với tiềm năng mạnh mẽ để giải quyết các thách thức quan trọng trong sức khỏe con người, giúp những người mắc bệnh ung thư có thêm lựa chọn khác để điều trị”, Giáo sư John Roger từ Bộ Khoa học Vật liệu và Kỹ thuật, UIUC nói trên ScienceDaily.
Detecting cancer : A South Korea team led by Keon Jae Lee – Professor of Department of Materials Science and Technology (KAIST) has used gallium nitride LEDs (GaN) biocompatible to detect prostate cancer. “The biocompatible LEDs represent a new technology that is potential to solve challenges in human health, to help cancer patients have more alternatives for treatment” Professor John Roger from the Department of Materials Science and Engineering.
Characteristics of the plant is only absorb a certain spectrum, not the entire range of light. One of LED’s characteristics is to emit narrow wavelength. Therefore depending on each type of plant, we can use different LED light with suitable wavelength to reduce energy and investment costs, increase cultivation efficiency, suitable for cultivation in greenhouses, and product high quality agriculture products.
The lighting system that is for plant’s photosynthesis uses artificial light for plant’s growth , so the power consumption is very huge. However, thanks to LED lighting, the amount of power consumption is reduced a lot.
6. LED lighting in Aviation, Marine.
Characteristics of these lights are to flash constantly, to have require about color, installed on high points such as rooftop of tall buildings, TV broadcasting towers, high-voltage power poles, power transmission stations , the airport and other locations that is difficult to access with the grid and need battery, solar power. …
LED lamps satisfy the above factors: longevity, reducing replacement costs, energy saving, range of colors …
LED light at Tokyo Skytree broadcasting tower,
The highest broadcasting tower (634 m)
7. LED lighting in Fishing
The use of LEDs would save 80% of fuel costs, increase the amount of fish around 24.5%, and about 41.6% that of squid. For squid, the amount of energy saved is 40.1% and the yield obtained exceeds 41.6%.
Even, the research on swordfish, people see the amount of energy savings achieved to 86.7%. Also, the quality of fishing through LED light significantly improved with the number of mackerel increased 24.5%.
LED lighting is also more suitable for fish’s physiology.
8. LED lighting in Multimedia.
LED computer monitors and LED TV have outstanding advantages compared to the previous technology (Plasma TV, LCD, CRT TVs CRT) because it provides bright colors, higher quality images. Backlight LED TV can also has high quality because it use a light diode that produces super bright images.
LED screen 300 inches at Trung Vuong Opera House, Da Nang.
9. LED technology in Fashion
LEDs have small size, consume not much power consumption, use one-way electric current with low voltage, is safe to use . Therefore, it is suitable in fashion such as dresses, shoes, ties , earings, eyelids …
Dress using LED
Nowadays, LED has been widely used in many areas of life thanks to its premium features Vietnam longevity, energy saving, health benefit … However, in Vietnam, the application LEDs are still very limited. The reason is that people are not fully aware of the practical benefits that LEDs offer. Another reason is that due to the initial investment costs are relatively high. So the Government should have mechanisms and policies to encourage enterprises to manufacture LEDs, thereby lowering product costs;
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