"Just Changing the Light" Improves Sleep Quality — Proves 58.8% Increase in Pre-Sleep Relaxation and 64.7% Reduction in Eye Strain
The premium lighting brand "lipro" will officially launch in the Japanese market in 2026. lipro proposes a new lifestyle that transforms lighting from a mere "tool for brightness" into "a health infrastructure that supports people's life rhythms, eyes, and minds." This press release unveils the technical background of lipro's sunlight-replicating LED lighting and the results of a sleep improvement efficacy study conducted in Japan.
Why lipro Designs Lighting as a "Health Infrastructure" - Technical Philosophy and Achievements
In modern society, improving the light environment is an urgent issue. lipro, equipped with next-generation LEDs based on its unique sunlight-replicating technology, provides a foundational "health infrastructure" to maintain people's physical and mental well-being.
Conventional LEDs have a sharp peak in the blue light spectrum, which has been a factor in disrupting circadian rhythms and causing eye strain. Sunlight-replicating technology overturns this conventional wisdom by suppressing excessive blue light peaks and reproducing a natural light wavelength balance indoors. (Sunlight-replicating technology: powered by SunLike)
lipro's light suppresses excessive blue light peaks through a combination of purple LEDs and special phosphors. It complies with the "TÜV RG0" standard, the highest level of safety certification, minimizing eye irritation. Furthermore, it reproduces light indoors that is almost identical to natural sunlight (Ra97 or higher). In the even more rigorous IEC test, it boasts nearly perfect figures of Rf97 and Rg102, which not only makes food and skin tones appear naturally beautiful, but also faithfully reproduces their texture and three-dimensionality. Additionally, it completely suppresses imperceptible flickering, creating an environment that is less tiring even during prolonged use.
Over 5 Million Units Sold Worldwide! What is this "Health Infrastructure" of National Strategic Importance?
lipro has gained support in the Chinese market as a solution to the clear challenge of "protecting children's eyesight." The rising rate of myopia is a serious global social problem, and the quality of lighting in learning environments is highly valued. In this context, lipro's sunlight-replicating technology and meticulous eye-care design have been highly praised as a "health infrastructure" that protects the next generation. Based on this achievement, the Japanese market will focus on improving the quality of life (QOL) across a broader range of aspects, including "sleep," "life rhythm," and "eye health."
Meticulous Engineering Beyond the Lighting Industry
lipro has gained support as a solution for "protecting children's eyesight." The development of this innovative "health infrastructure" is led by a team of top-class engineers with extensive experience in sophisticated precision equipment fields such as smartphones and automobiles. Their technical expertise, which balances precise optical design with user-friendliness, is challenging a new domain: making light an option for health infrastructure.
Challenges in Japan - Sleep, Life Rhythm, and Light Environment
In Japan, a survey by the Ministry of Health, Labour and Welfare (※1) shows that approximately one in three people reported being "unsatisfied with their sleep." Behind this lies not only individual lifestyle habits but also a structural issue where the "light environment," which should be the foundation of life, is not functioning as a health infrastructure.
Modern lifestyles harbor many factors that impede sleep quality. These include the habitual use of smartphones and computers at night, disruption of circadian rhythms by LED lighting, insufficient relaxation time before bed, and poor quality of morning awakening, all stemming from contemporary lifestyles.
Particularly serious is the impact of "light quality" on the brain. It is medically proven that exposure to strong blue light at night causes the brain to mistakenly perceive it as daytime, suppressing the secretion of the sleep hormone (melatonin). Therefore, choosing lighting with zero blue light risk (RG0) is a crucial factor influencing sleep quality. By employing sunlight-replicating technology, lipro solves this light environment challenge and becomes a social health infrastructure that fundamentally supports the sleep quality of modern people.
※1 Ministry of Health, Labour and Welfare "Overview of the 2019 National Health and Nutrition Survey Results"
lipro's "Light Rhythm Design" as a Health Infrastructure
lipro features dimming and color temperature adjustment functions tailored to time of day and use. It creates a light environment that aligns with the natural human rhythm. In the morning and daytime, cool white light (5000K) supports activity and concentration. In the evening and at night, the light gradually shifts to warmer tones, putting the mind and body into relaxation mode. Before bedtime, soft warm light (3000K) promotes natural sleepiness.
This "light rhythm design" aims to effortlessly enhance quality of life (QOL).
Feedback from Early Adopters - Signs of Change Perceived by Users
Ahead of its official launch in Japan, lipro conducted an early adopter program for general monitors. Participants used the product in their actual living environments and were encouraged to freely share their experiences and any changes they noticed.
Survey subjects: General monitors (males and females in their 20s-50s), Number of questionnaire responses: 17, Usage period: 88.2% used for 6 days or more, Primary usage time: Evening (18:00-22:00) 82.4%, Before bedtime 35.3%, Survey method: 5-point rating questionnaire after actual use at home, Products used: lipro ceiling light, bedside lamp
1. Relaxation Effect Before Sleep
Q. Did you feel more relaxed during the time before sleep? (5-point rating) Among 17 responses, 58.8% gave the highest rating of 5, indicating they felt "relaxed during the time before sleep."
Q. Did you feel an improvement in the "quality" of your time before sleep? (5-point rating) Among 17 responses, 35.3% rated it 5 (highest) and 29.4% rated it 4. The results showed a 64.7% improvement in the "quality" of time before sleep.
User feedback: "Since I started using the warm, dim mode before bed, I feel like I've been getting sleepy earlier. When I'm working or eating, text is easier to read, and I feel my QOL has improved." "I use the warm mode before bed, and it's really good. My eldest son calms down when he comes into the bedroom." "My child, in particular, falls asleep more smoothly!!"
2. Significant Reduction in Eye Strain at Night
Q. Did you feel less eye strain even when looking at your smartphone at night? (5-point rating) Among 17 responses, 41.2% rated it 4 and 23.5% rated it 5. 64.7% gave high ratings/experienced a reduction in eye strain and fatigue after evening.
User feedback: "Because of my profession, I often look at my smartphone and computer, but since switching to this lighting, it illuminates gently, and I feel my eyes are less tired than before." "I tend to get eye strain easily, so I used to set the brightness to a level that wasn't too bright at night. However, since I started using a ceiling light like lipro, I've been able to finish housework in a comfortably bright environment, which made me think my work was more efficient. Also, I feel I was able to relax more afterwards and fall asleep a little earlier."
3. Improved Morning Awakening and Daytime Performance
Q. Did you feel a positive impact on your concentration and work efficiency during the day? (5-point rating) Among 17 responses, 35.3% rated it 3, and 29.4% rated it 4 and 5, respectively. 47.0% felt that they "woke up smoothly" in the morning, 52.9% felt an improvement in their ease of living from morning to midday, and 58.8% gave high ratings for a positive impact on daytime concentration and work efficiency.
By adjusting the light environment at night, improved sleep quality was confirmed, along with positive effects on morning awakening and daytime performance.
4. Overall QOL (Quality of Life) Improvement
Q. Did you feel an improvement in your overall "Quality of Life (QOL)"? (5-point rating) Among 17 responses, 58.8% gave the highest rating of 5, and 29.4% rated it 3. 70.6% gave the highest rating, indicating an improvement in overall "Quality of Life (QOL)." Additionally, the percentage of respondents who highly rated the lighting as an overall evaluation reached 88.2%.
High satisfaction was particularly observed when used "from night to before bedtime," indicating the potential for the nighttime light environment to be a health infrastructure that supports not only sleep but also overall quality of life.
Why lipro Light is Effective for Sleep Improvement
Particularly serious is the impact of "light quality" on the brain. It is medically proven that exposure to strong blue light at night causes the brain to mistakenly perceive it as daytime, suppressing the secretion of the sleep hormone (melatonin). Therefore, choosing lighting with zero blue light risk (RG0) is a crucial factor influencing sleep quality.
lipro, by employing sunlight-replicating technology, solves this light environment challenge and becomes a social health infrastructure that fundamentally supports the sleep quality of modern people. Its next-generation LEDs, based on proprietary sunlight-replicating technology, build a light control system that comprehensively supports human biorhythms. It suppresses the "blue light peak (excessive prominence of blue light)," a problem with conventional LEDs, and adopts a flicker-free design to minimize eye strain. Furthermore, meticulous dimming and color temperature adjustment functions, designed for nighttime use, guide the mind and body into a natural state of relaxation with soft, warm light, scientifically supporting high-quality sleep.
Challenges of General LED Lighting and lipro's Technical Superiority
General LED lighting has issues such as strong blue light peaks that cause significant eye irritation, poor color and texture rendering, disruption of circadian rhythms and suppression of sleep hormone (melatonin) secretion during nighttime use, and eye fatigue due to flickering.
In contrast, lipro's features include a full spectrum close to sunlight, supporting the body with natural rhythms, blue light risk RG0 (TÜV certified - safest level), flicker-free design for less eye strain during prolonged use, and high color rendering Ra97 or higher for natural and beautiful color and texture reproduction.
Impact of Light Environment on Sleep
The human body clock is regulated by light stimulation. Exposure to strong blue light at night causes the brain to mistakenly perceive it as daytime, suppressing the secretion of sleep hormones. lipro features dimming and color temperature adjustment functions designed for nighttime use. By switching to soft, warm light, it promotes a natural state of relaxation and supports high-quality sleep. Furthermore, its flicker-free design reduces eye fatigue. Even when using a smartphone before bed, it minimizes the burden on the eyes.
lipro Representative's Comment
In Japan, various sleep-related goods and supplements are sold, but it is medically proven that the "light environment" is a crucial factor influencing sleep quality, making it a key element of health infrastructure. Modern people, exposed to strong LED lighting and smartphone blue light late into the night, unknowingly disrupt their circadian rhythms and degrade sleep quality. lipro fundamentally resolves this "light-induced sleep disorder" by replicating a natural light spectrum close to sunlight.
In particular, the results showing a 58.8% increase in relaxation before bedtime and a 64.7% reduction in eye fatigue demonstrate how crucial the nighttime light environment is. We will continue to provide the people of Japan with a new option for health protection, "Healthy Light," and contribute to improving health and well-being through light.
Recommended Usage Scenes for lipro
Bedroom/Bedside: Ideal for relaxing before sleep. Warm mode promotes natural sleepiness and supports high-quality sleep. Living/Dining Room: Provides gentle, natural light in family gathering spaces. Switches to warm tones at night to create a relaxing atmosphere. Study/Workspace: Reduces eye strain during long hours of desk work. Switches from daylight color for concentration to warm tones for evening relaxation. Children's Room/Study Space: Supports learning while protecting eye health. Warm tones promote smooth sleep before bedtime.
Product Information
Product Name: lipro (raipro) Eye-Friendly Ceiling Light. Price: ¥32,900. Room Size: 8 tatami mats. Frame Colors: White / Wood grain dark brown / Wood grain natural. Front Shade Color: White. Main lineup: Ceiling lights for wide spaces such as bedrooms and living rooms (with dimming and color temperature adjustment functions).
Key Specifications: Equipped with next-generation LEDs based on sunlight-replicating technology (Powered by SunLike), Color rendering: Ra97, Rf97, Rg102 or higher, Zero blue light risk: Complies with RG0 (TÜV certified), Flicker-free design, Dimming and color temperature adjustment functions, PSE (Electrical Appliances and Materials Safety Act) certified. Official website: https://jp.lipro.com/ja-jp *Products available for purchase on the official website, Amazon, Rakuten, and other e-commerce sites.
About lipro (raipro)
lipro is a premium lighting brand established with the concept of "Healthy Light." Utilizing next-generation LEDs based on sunlight-replicating technology (Powered by SunLike), it provides "eye- and life-rhythm-friendly light" to homes worldwide.
It was strategically co-invested and established by Xingji Meizu and Geely Holding Group in January 2021. Based on deep user insights and the ultimate pursuit of products, the representative inherits Meizu's 22 years of design and development DNA, focusing on innovation in lighting products.
Lighting is not just a tool for providing "brightness"; it deeply impacts our sleep, health, and well-being. By reproducing a natural light spectrum closest to sunlight indoors, lipro addresses the "light-induced ailments" faced by modern people, positions light as a health infrastructure, and supports a healthier life. Furthermore, its sophisticated design, which has won international design awards such as the Good Design Award, Kids Design Award, iF Design Award, and Red Dot, is another distinguishing feature. We deliver a new lighting experience that combines functionality and design.