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Ergonomic Analysis Of Application Of White LED
Release time: 2016-10-24 13:13 Click rate: source: laidiya

1, lighting, ergonomic

Ergonomics also called ergonomics/ergonomics, with "man-machine-environment" systems for the study, using the methods of measurement, statistical analysis, research on "man-machine-environment" relationships between the three elements in the system to address the system's effectiveness, and health problems. In other words, ergonomic research design and * human needs, human, human limits, and the coordination of tasks, jobs, products, environments and systems. The ergonomic lighting is a study of lighting environment designed to meet the needs of people, making people better and faster to complete the Visual work or to meet demand for comfortable and healthy.

Illumination environment should be fully taken into account to meet the need of human Visual function, so that people can work normally in an appropriate visual environment, that is able to see clearly but also meet the psychological needs of people, that is, to watch in comfort. A recent study showed that light can affect melatonin secretion in the body and affect the body's circadian rhythms, and health. Therefore, taking into account the good light ergonomic environment from the Visual, mental and physical needs, consider a number of factors, or it can have on people's productivity, adversely affect the mental or physical health.

2, white-light LED the development of

2.1 light effect

LED since the early 60 's was born, brightness increased by 30 times times every 10 years, prices down 10 times "law of hydes"-like pace. According to reports, the white LED luminous efficiency of laboratory data of over 100lm/W, and entering into the commercial field of high-power white LED light also reached 40lm/W. With the breakthrough of key technologies, high-power LED luminous efficiency of the future still has a lot of upside, the maximum is likely to reach 150~200lm/W.

2.2 the luminous flux

As available and of high power LED packaging, cooling, and other key technical breakthroughs, 5W LED the commercialization process has begun, which significantly improve the luminous flux of LED modules. Latest research data from the company indicates that, respectively, 5.5W and 11W of power, luminous flux respectively, 250lm and 400lm of high-power LED module has been developed. This LED to a major step forward in the process, and general lighting.