太陽光と照明の科学
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Proper Use of Ceiling Lights and Sleep Lights: Distinguishing Roles of Nighttime Lighting
A ceiling light for the whole room, and a sleep light for your bedside. By dividing evening lighting into these two roles, you can avoid the "too bright" and "too dark" dead end...
Give the Gift of Light This Father's Day: Choosing Eye- and Night-Friendly Lighting
Father's Day is on June 21st this year. "Akari" (lights) that are used daily make great gifts that show you...
What is a Sleep Light? Differences from Night Lights and Choosing the Right One
Small lights to use in the bedroom at night. We'll clarify the differences between night lights, general ni...
Sleep and Light | Lighting Concepts to Optimize Your Pre-Sleep Environment
Nighttime lighting isn't just about darkness. Considering the relationship between sleep and light from the...
How to Choose an Eye-Friendly Ceiling Light: Considering Glare, Color Temperature, and Color Rendering
To choose a ceiling light that is easy on the eyes, it's important to consider not only brightness but also...
What is healthy light? A new approach to lighting that improves your eyes, sleep, and daily life
Lighting isn't just about brightening a room. We'll explain the concept of "healthy light" that you should ...
"Aren't LEDs too bright?" How lighting optical design solves the discomfort of direct glare
LED "glare" can be eliminated through optical design. This article scientifically explains the difference b...