In an era of increasing support for technology, people pay more and more attention to quality of life, health and safety. The demand for lighting is not only used to help "see", but to pay more attention to lighting products. The level of “invisible†influences puts new demands on the health and comfort of the lighting environment.
Today, LED products have become the mainstream of the lighting industry. Blu-ray hazards still exist. Glare and flicker are also the main factors that cause LEDs to be harmful to health. People are also concerned about the concern of “energy saving†and the concern of “health and comfortâ€.
On November 20th, 2017, the national key research and development plan “Strategic Advanced Electronic Materials†key project “Photobiomechanism and Application Research for Health Lighting†was launched in Suzhou.
Taking "light and health" as the core of research, through the related comparison research and light quality evaluation experiments, the short-, medium-, and long-term effects mechanisms and laws of semiconductor lighting on human health are determined, and the corresponding physiological and pathological databases are formed. By clarifying the photobiological influence mechanism of semiconductor lighting products and forming an objective physiological index evaluation method, a technical solution for improving the health of semiconductor lighting products, industrial application of healthy lighting, and a "light health" standard system will be established.
What is health lighting?
The so-called health lighting is to improve and improve the conditions and quality of people's work, study and life through LED lighting, and promote psychological and physical health.
At present, there are two major problems in home lighting. One is that the blue light is too high, and the other is that the red light is too small. We usually look at the phone, the eyes are particularly tired, because the blue light is too high, it will not only hurt the eyes, but also affect the endocrine. Japanese inventor Nakamura Shuji, the inventor of blue-light LEDs, said that the first-generation blue LEDs that are commonly used now do have some damage to the eyes and can cause cancer in severe cases. If the red light is too low, it will cause skin irritation and induce depression.
Whether it is incandescent lamps used in our daily home lighting, or various decorative colored lights, if the irrational use, uncontrolled abuse, excessively light, too dark, or too ambiguous, too variable, will be on the human body Health causes a certain level of damage. And health lighting puts special requirements on important indicators such as lighting quality, technology, illumination, uniformity, glare, stroboscopic, color rendering, color temperature, and radiation.
Lin Yandan, a professor at the Department of Light Source and Lighting Engineering at Fudan University, pointed out: "The evaluation of lighting quality should be based on the evaluation of a single visual effect, gradually over-evaluating the dual evaluation of visual effects and non-visual effects, especially the latter is closely related to human health. The effects of circadian rhythms and biological effects also revisit and reflect on the definition of lighting quality."
Bright prospects for the health lighting industry
Lighting science research is deepening, and the relationship between light and health is increasingly being discovered by humans. For example, lighting has expanded into the field of non-visual biological effects. Many studies have shown that the non-visual effect of light on the human eye through the retina The sensation of light by ganglion cells can affect melatonin release, sleep and biorhythm at night. Research on the influence of light color on human physiological parameters, Lin Yandan, a professor at Fudan University, said that the results show that light has the advantages of changing life rhythm, inhibiting melatonin secretion, increasing core temperature, speeding up heart rate, and improving alertness. . Therefore, its future has broad application prospects, such as the treatment of seasonal affective disorders, the use of red and yellow night lights to help sleep.
These all indicate that the future of the health industry is bright. In today's lighting market, from the perspective of environmental protection and energy-saving products, the market has become saturated. From the health to the market, it is a blue ocean. Nobel Prize winner Nakamura Shuji gave a speech at Fudan University in December last year, proposing the first generation of LED products. The presence of blue light hazards, and even serious causes of cancer, is present in most of the current market, including government buildings, banks, and even hospitals, schools, and families. Therefore, with health as the guide, the market will reshuffle and force.
The data from the market also shows that the cake of China's big health industry is huge. The data show that the annual output value of China's health service industry only accounts for about 5% of GDP, while the US data has reached 17.6% in 2009. According to estimates by relevant departments, by 2020, the total size of China's health service industry will reach more than 8 trillion yuan.
Many companies enter the field of health lighting
Nowadays, many companies have begun to deploy in this new vent, and many large lighting companies are vying to move to the health care field, and they are rushing to develop healthy lighting concepts and launch high-quality health lighting. Health LED lighting products such as Philips and GE have been introduced to help people fall asleep early. Philips has repeatedly developed LED lights and lighting systems for hospital lighting, and wants to provide patients with a healing environment that reduces anxiety and comfort, while helping medical staff to better complete their work.
Yeelight, the leader in the intelligent lighting industry, teamed up with Seoul Semiconductor to introduce a table lamp that is very close to natural light. Using Sunlike technology, combined with advanced violet LED chip technology and TRI-R phosphor technology, excited with violet light beads (LED wafers) instead of traditional blue light beads (LED wafers), the principle is reduced. Excessive blue light, which is harmful to the human eye, produces a spectrum that is very close to natural light.
The “sunlight†brought by coeLUX – a luminaire that simulates daylight with artificial light, is designed to allow people to enjoy natural light indoors. The design principle is: a transparent polymer layer containing titanium dioxide nanoparticles that produce Rayleigh scattering - mimicking the same process in the atmosphere, breaking down light of different wavelengths, making the sky look blue.
As the leading brand of domestic health lighting, in recent years, Oupu has been committed to enhancing the core competitiveness of its products “smart, healthy and fashionableâ€. While intelligently upgrading its products, it has adapted to the physiological laws of the human body to create visual comfort and promote good health. A pleasant lighting environment. For example, the "Phantom Minghui HUAWEI HiLink Edition" product of Op Lighting is designed especially for high-pressure people who are difficult to fall asleep. It has a built-in patented lily light, which can set the sleep light mode before sleep, and relax under the color of the lily. It is easier to sleep.
"Non-burning, nicotine for users, low tar content. As the heating temperature (below 500℃) is lower than the combustion temperature of traditional cigarettes (600-900℃), the harmful components produced by tobacco high-temperature combustion pyrolysis and thermal synthesis are reduced, and the release amount of side-flow smoke and environmental smoke (second-hand smoke) is also greatly reduced."
Heating non - combustion products are electronic devices containing tobacco. When you heat them, they produce a nicotine-containing vapor that you can inhale.
They are different from traditional cigarettes and work by heating tobacco to a very low temperature. Tobacco is heated to 350 ° C in a heat-incombustible device, while traditional cigarettes burn at up to 900 ° C.
Still, the temperature at which non-combustion products are heated is high enough to vaporize and inhale harmful chemicals.
Although both are electronic devices, heated non-combustible products are also different from e-cigarettes or steam devices. These usually use chemical liquids and do not necessarily contain nicotine. E-cigarettes tend to heat liquids to around 250 degrees Celsius to produce vapor.
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