Insights

What is the Healthiest Lighting Fixture?

2023 03 21 23 01 00

My friend, have you ever paused to appreciate the warmth and brilliance of sunlight? It flows like a gentle stream, nourishing our minds, bodies, and souls. However, in this fast-paced world, the other side of sunlight is often overlooked. Many of us, myself included, have not fully experienced the wonders of this “photosynthesis melody.”

What impact does natural sunlight have on people?

It is like the source of life, nourishing everything on Earth, including ourselves. It illuminates our vision, allowing us to see the beauty of this world.

But it doesn’t stop there! Let’s take a look at some of the common effects of natural light on people:

1、The impact of natural light on mood

Light is also a master of emotion, influencing our moods and mental states. Don’t forget, it plays a significant role in regulating our body’s internal clock—the circadian rhythm. Not all light sources possess this magical touch.

2、The impact of natural light on health

As it nourishes our skin, our bodies produce the essential vitamin D. This powerful nutrient acts like a superhero, strengthening our bodily functions and cells, and warding off villains such as prostate and breast cancer, memory decline, dementia, and schizophrenia.

On the other hand, the absence of the sun can cast a shadow on our mental health. During the gloomy winter months, when days are shorter and sunlight scarce, we may find ourselves battling Seasonal Affective Disorder (SAD).

This sneaky villain brings mood swings, anxiety, sleep problems, and even dark thoughts. But don’t worry, with just a little sunlight, we can chase away the blues! So let’s not shy away from the warm embrace of sunlight!

3、The impact of natural light on children

Don’t forget about our children! Sunlight is essential for their precious eyes. Children need fair participation in outdoor adventures to ensure they have healthy, sharp vision as they grow.

So let them bask in the golden sunlight and watch their eyes sparkle! Natural light is the champion, but what do we do when it’s not available? Fear not, for there is a shining solution! We can turn to artificial light to save the day.

To harness the power of light, we must master lighting design and cleverly adjust our indoor lighting to allow us to bask in simulated sunlight, promoting our health and overall well-being.

How to choose indoor lighting fixtures?

Using indoor lighting as a substitute for natural light is inevitable, just like any other matter related to optimal health – consider natural foods without additives, preservatives, and other ingredients that our biology cannot recognize or utilize.

1、Incandescent light bulbs

Incandescent light bulbs, those warm little suns in our homes, emit a comforting glow, akin to a mother’s embrace.

They gently cradle their filaments, heating them with an electric current, while they simultaneously produce heat and light—a radiant spectacle that mimics our own star’s natural brilliance.

In fact, science has shown that these gentle illuminators can cultivate our sense of well-being, much like a cozy blanket on a cold night.

2、Halogen lamps

Halogen lamps are an improved version of incandescent lamps, offering a full spectrum with a slightly bluish color temperature.

The added blue makes halogen lamps more energetic while still maintaining the same color rendering performance as incandescent lamps.

3、LED lights

LEDs, as the most popular lighting fixtures today, are widely used due to their energy efficiency, good color rendering, and fast response time.

LED light bulbs can adjust various color temperatures—warm white, natural white, and cool white—and switch to all different hue bulbs (smart bulbs) and full-spectrum varieties.

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However, due to the uneven quality of LED technology, there are also various issues to be aware of.

Thus, the best lighting fixtures for our health are those that come closest to natural light, which is full-spectrum lighting. It can mimic the natural light source that we emit, the sun. To learn more about what full-spectrum lighting is, you can check out our other blog post, which provides a detailed explanation.

Precautions for indoor lighting fixtures

Precautions for LED lighting

As we have seen, the light emitted by most conventional LED lamps is flat and harsh.

However, many issues with these lamps are invisible to the naked eye but can be felt by the body, especially after prolonged exposure due to daily use.

The main issues are the blue light peak frequency, which causes eye strain, and the frequency flicker of the light, both of which can lead to dry eyes, eye fatigue, headaches, and discomfort from long-term use.

Blue light precautions

In modern times, we have taken measures to counteract blue light, such as using blue light filter glasses and warm-colored screens after sunset.

However, blue light is not always harmful. It is an essential and biologically necessary part of the spectrum, has a significant impact on our circadian rhythm, and helps our bodies stay healthy in daily life.

Therefore, our control over blue light is not constant. It is present in natural light during the day and is a necessary component of our body’s health. We just need to avoid it at night.

In other words, blue light is essential but not at night. It is stimulating and prevents our bodies from relaxing to achieve deep and restorative sleep.

Pay attention to the frequency flicker of light

The nature of flicker in LED lighting is the fluctuation of luminous flux. Driven by alternating current or pulsed direct current, the light source’s luminous flux, illuminance, or brightness undergoes periodic changes with the current amplitude, and the human eye generates a subjective response to these changes in the brain.

The depth of the fluctuation of the luminous flux of the electric light source is directly related to the technical quality of the electric light source. The main problem lies in the constant current power supply, and we can analyze it in three situations:

1、Power supply driving issue:

If there is no proper electronic circuit, such as a ballast, driver, or power supply, the light source will produce flicker, and the larger the output luminous flux fluctuation, the more severe the flicker.

LED lighting products use AC/DC constant voltage or constant current power supply drive, and the light source itself does not produce flicker. Whether there is flicker depends on the LED driving power supply.

Due to the diversity of drivers, the flicker performance of each LED product is different. Some manufacturers may use relatively simple driving circuits to save costs, which can cause significant flicker problems.

2、Light source quality issue:

Poor light source quality, single-chip power less than 1W, lamp wattage falsely marked, mismatched driving causing the chip to malfunction, leading to flicker.

For smart lighting products, dimming is an essential feature, and dimming is another cause of flicker. When products are equipped with a dimming function, flicker often worsens.

Particularly when dimming is relatively dark, the depth of fluctuation is more significant. Therefore, for lighting products with dimming functions or claiming to connect to dimming controllers, their flicker performance should be measured separately at the brightest and darkest dimming levels.

3、How to avoid such problems:

Choose a high-quality power supply with a high power factor, preferably an isolated constant current power supply, and use high-quality light sources.

Of course, we can ensure the absence of these issues by selecting certified products, such as those certified by CE, ROSH, etc.

Suggestions for indoor lighting fixtures

1、with a color temperature of 5000-6500K

To keep your circadian rhythm happily humming along, we suggest embracing the magic of full-spectrum lighting fixtures.

Keep in mind that you don’t need to bask in their glow all day to reap the most significant health benefits! Use full-spectrum light bulbs with a color temperature of 5000-6500K to energize your day.

This range is filled with blue light, making it perfect for kickstarting your morning and keeping you bright all day long.

2、with a color temperature of 2700-3500K

As night falls, it’s time to unwind and relax. Swap those high-energy bulbs for full-spectrum lighting fixtures with a color temperature of 2700-3500K.

This range has less blue light, meaning it’s ideal for cuddling up with a good book and promoting the production of melatonin for a good night’s sleep.

Feel free to choose your favorite light source, but in terms of energy efficiency and cost savings, LED options are the hardest to beat. Don’t forget about the Color Rendering Index (CRI)! We recommend using a CRI of 96 or higher for the ultimate comfort experience.

Why not use light therapy boxes or full-spectrum lighting fixtures to add a touch of brightness to your morning and daytime routines? These gems not only boost your mood but also help maintain the essential healthy circadian rhythm. So, go ahead and let the light – the right kind – embrace a happy, bright life!

That’s our analysis of healthy lighting fixtures, and we hope it helps you. We will continue to share more knowledge about lighting with you.

About us:

If you have requirements for supermarkets, shops, offices, restaurants, etc., please check out our online store. We offer free consultation and lighting design services, as well as technical support from scheme planning to fixture installation and commissioning. We have a strong product supply chain, products certified by CE and ROHS, a comprehensive product portfolio, 24-hour online service response, and faster delivery.

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