Flicker is a common problem with fluorescent, tri-wavelength, and LED lights. Flicker is the constant variation in brightness of the light due to the changing input of voltage-current inside the converter that turns AC (alternating current) power into DC (direct current). This flicker is a constant stimulus to our retina and brain, which is harmful to our health, especially to infants and children who are more sensitive to it.

Flicker is measured in % Flicker, and LUMIGRIN Linear LED Driver is a flicker-free driving method, and even high wattage lighting products are flicker-free with our original patented technology that combines the Linear method with SMPS circuit.( %Flicker The U.S. Department of Energy's Pacific Northwest National Laboratory (PNNL) reported in 2012 that flicker in lighting can cause neurological disorders such as epileptic seizures, headaches, tiredness, dizziness, eye strain, decreased visual activity, and distraction. Medical community points out that long-term exposure may also cause vision loss

"The effects of flicker on humans can be categorized into immediate effects, such as epileptic seizures after a few seconds of exposure, and long-term effects, such as anxiety, headaches, and vision impairment," according to the 2010 paper "LED Lighting Flicker and Potential Health Concerns."

The Color Rendering Index describes the fidelity of color reproduction of an illuminated object. It is expressed in Ra.

It quantifies the degree to which the color of an object seen in sunlight is similar to the color of an object seen in artificial light, with values closer to 100 indicating better color rendering. High color rendering lights (High CRI, Ra 90 or higher) are used in department stores, galleries, museums, clothing stores, food stores, etc. to show the inherent colors more clearly and vividly.

Lumigreen vision protection natural light lighting products are high color rendering products with a color rendering index of 90Ra or higher.

The average brightness of a 60W incandescent light bulb is 800 lumens (lm). (*Lumens are the quantity of light that represents brightness, called luminous flux.)

As shown in the diagram below, a 60W incandescent bulb is replaced by a 43W halogen lamp, a 13W tri-wavelength bulb, and an 8W luminescent LED. To produce the same 800 lumens of brightness, the LED light consumes only 8W. While cars are expressed in terms of fuel economy (km/l), lights are expressed in terms of energy efficiency (lm/W, brightness/consumption).

Incandescent lamps have a luminous efficacy of 13.3 lm/W, halogen lamps 18.6 lm/w, tri-wavelength fluorescent lamps (CFLs) 61.5 lm/w, and LED lights 100 lm/W. This luminous efficacy decreases with increasing color rendering index, so a good light has a high luminous efficacy while providing high color rendering.

 

 

Lumigreen Vision Protection Natural Light is a continuous spectrum natural light light that mimics the sun's visible light by adding light blue wavelengths and reddish-rose wavelengths that are lacking in regular LED lights.

Lumi Green Vision Protection Natural Light. It has a comfortable, crisp glow. It vividly shows the intrinsic colors of objects and clearly shows small print, making it optimal for eye health for adolescent children who focus on studying for long periods of time and for modern people whose daily life and work are carried out under illuminated light.

Lumi Green lighting ensures superior durability and longevity.

Lumi Green's original patented circuit technology produces low heat and adds protection circuitry to protect components, resulting in a circuit life of 100,000 hours. And with a 1,000-hour durability test in an 80-degree chamber, the product is designed to withstand any environment without failure, eliminating the cost and hassle of replacement.

See for yourself how a product can last for its rated lifespan once installed.

Color Temperature is the color of light expressed as a temperature.

The reference point here is the blackness of outer space, called a black body, which is represented by an absolute temperature of 0 degrees. Color temperature is measured in Kelvin (K), with lower temperatures being redder and higher temperatures being bluer. The light from a candle is represented as 1800 K, a warm fluorescent light as 4000 K, and the northern sky on a clear day as 12000 K. Midday sunlight is a near-white 5500K.

Lumigreen lighting has a softer glow, which is much less fatiguing over long periods of time, and we are making our products with color temperatures below 5,000K to maximize vision protection.